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Home My WebLink AboutWPO201900052 VSMP - SWPPP 2020-04-17 BERKMAR DRIVE APARTMENTS Albemarle County, Virginia Stormwater Pollution Prevention Plan (SWPPP) In compliance with: General VPDES Permit for Discharges of Stormwater from Construction Activities General Permit No. VAR10 Virginia Stormwater Management Program (VSMP) Prepared By: Timmons Group 1001 Boulders Parkway, Suite 300 Richmond,VA 23225 Hunter Wines Environmental Scientist 804-200-6386 APPROVED hunter.wines@timmons.com by the Albemarle County Community Development Department Date H . t • 2.0 Prepared For: File t✓Po 2..t I 000 s 2 Berkmar Apartments, LLC 560 Lynnhaven Parkway Virginia Beach, VA 23452 October 2019 RECEIVED APR 0 6 7020 COMMUNITY DEVELOPMENT Timmons Gr up QA/QC Prepared By: Checked By: Al,44,, COUNTY OF ALBEMARLE 1 ►�` °�.e Department of Community Development ® , 401 McIntire Road,North Wing �f Charlottesville,Virginia 22902-4596 "r Tel.(434)296-5832 •Fax(434)972-4126 Stormwater Pollution Prevention Plan (SWPPP) For Construction Activities At: Project Name: Berkmar Drive Apartments Address: Berkmar Drive Albemarle County, VA 22936 Prepared by: Name: Timmons Group, attn: Hunter Wines Prepared for: Name: Berkmar Apartments, LLC SWPPP Preparation Date: 03/11/2020 (This document is to be made publicly available according to 9VAC25-880-70, Part II, section D) Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP)Albemarle County CONTENTS: (from Albemarle County Code Sec. 17-405) 1. Registration statement 2. Notice of general permit coverage 3. Nature of activity 4. Erosion and Sediment Control Plan. 5. Stormwater Management Plan 6. Pollution Prevention Plan. 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. 8. Qualified personnel 9. Signed Certification 10. Delegation of authority. 11. General permit copy 12. Inspection logs Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP) Albemarle County Section 1. Registration statement (Provide a signed completed copy of the DEQ registration statement) Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY FOR OFFICE USE ONLY GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM ID Number: CONSTRUCTION ACTIVITIES (VAR10) Technical Criteria: IIB ❑ IIC ❑ REGISTRATION STATEMENT 2019 NEW ISSUANCE 8 RE-ISSUANCE ❑ MODIFICATION WITH ACREAGE INCREASE ❑ MODIFICATION WITHOUT ACREAGE INCREASE ❑ Existing Permit Coverage Number(if applicable,VAR10####): Section I. Operator/Permittee Information. A. Construction Activity Operator(Permittee). The person or entity that is applying for permit coverage and will have operational control over construction activities to ensure compliance with the general permit. A person with signatory authority for this operator must sign the certification in Section VI. (per Part III. K. of the VAR10 Permit). Construction Activity Operator Name: Breeden Construction, LLC. Contact person: Brandon Rogers Address: 560 Lynnhaven Parkway City, State,Zip Code: Virginia Beach, VA 23452 Phone Number: 757-486-1000 Primary Email: brandonrogers@breedenconstruction.com CC Email: hunter.wines@timmons.com B. Billing Information (leave blank if same as the Operator identified in Section I.A. above). This entity will receive Annual Permit Maintenance and Permit Modification Fee invoices (if applicable). Name: Contact Person: Address: City, State Zip Code: Phone Number: Primary Email: CC Email: C. May we transmit correspondence electronically? You must choose YES and include a valid email in order to pay by credit card and to receive your permit coverage approval letter via email: YES la NO El Rev 04/2019 PAGE 1 17 CONSTRUCTION GENERAL PERMIT(VAR10) REGISTRATION STATEMENT 2019 Section II. Construction Activity Location Information. Project site information. A. Include a site map showing the location of the existing or proposed land-disturbing activities,the limits of land disturbance, construction entrances and all water bodies receiving stormwater discharges from the site. B. Construction Activity Name: Berkmar Drive Apartments Address: City and/or County and Zip Code: Albemarle 22936 Latitude and Longitude (6-digit,decimal degrees format): 38.1260, -78.4520 C. Construction Activity Entrance Location (description, street address and/or 38.1260 -78.4520 latitude/longitude in decimal degrees): Section III. Offsite Support Activity Location Information. List all offsite support activities to be included under this permit registration. Enter additional areas on a separate page. Offsite areas not included on this registration may need to obtain coverage under a separate VPDES permit. A. Offsite Activity Name: N/A Address: City and/or County and Zip Code: Latitude and Longitude (6-digit, decimal degrees format): B. Offsite Activity Entrance Location (description, street address and/or N/A latitude/longitude in decimal degrees): Section IV. Site Information. A. Acreage totals for all land-disturbing activities to be included under this B. Estimated Project Dates permit coverage. Report to the nearest one-hundredth of an acre. (MM/DD/YYYY) Total land area of development(including the entire 17.73 05/01/2020 area to be disturbed as approved in the Stormwater Start date: Management Plan): Primary estimated area to be disturbed (portions with 15.83 01/01/2022 Erosion and Sediment Control Plan approval only): Completion date: Offsite estimated area to be disturbed (if applicable): C. Property Owner Status: FEDERAL ❑ STATE ❑ PUBLIC ❑ PRIVATE 8 D. Nature of the Construction Activity Description (i.e. commercial, industrial, residential, agricultural, environmental): Residential Apartments E. Municipal Separate Storm Sewer System (MS4) N/A name (if discharging to a MS4): Rev 04/2019 PAGE 2 17 CONSTRUCTION GENERAL PERMIT(VAR10) REGISTRATION STATEMENT 2019 F. Is this construction activity part of a common plan of development or sale? YES ❑ NO B G. 6th Order Hydrologic Unit Code(HUC) and Receiving Water Name(s). Attach a separate list if needed. HUC RECEIVING WATERBODY(S) JR08 South Fork Rivanna River Section V. Other Information. A. A stormwater pollution prevention plan (SWPPP) must be prepared in accordance with the requirements of the General VPDES Permit for Discharges of Stormwater from Construction Activities prior to submitting the Registration Statement. By signing the Registration Statement,the operator is certifying that the SWPPP has been prepared. B. Has an Erosion and Sediment Control Plan been submitted to the VESCP Authority for review? YES 8 NO ❑ Erosion and Sediment Control Plan Approval Date(for estimated area to be disturbed).: C. Has land disturbance has commenced? YES ❑ NO 8 D. If this project is using approved Annual Standards and Specifications (AS&S), attach the completed AS&S Entity Form. AS&S Entity Name (if different from the Operator identified in Section II.A.):N/A SEE THE FOLLOWING PAGE FOR SIGNATURE AND CERTIFICATION REQUIREMENTS AND INFORMATION Rev 04/2019 PAGE 3 17 CONSTRUCTION GENERAL PERMIT(VAR10)REGISTRATION STATEMENT 2019 Section VI. Certification. A person representing the operator as identified in Section I.A.and meeting the requirements of 9VAC25-880-70.Part III. K must physically sign this certification. A typed signature is not acceptable. Please note that operator is defined in 9VAC25-870-10 as follows: "Operator"means the owner or operator of any facility or activity subject to the Act and this chapter.In the context of storm water associated with a large or small construction activity,operator means any person associated with a construction project that meets either of the following two criteria:(i)the person has direct operational control over construction plans and specifications,including the ability to make modifications to those plans and specifications or(ii)the person has day-to-day operational control of those activities at a project that are necessary to ensure compliance with a storm water pollution prevention plan for the site or other state permit or VSMP authority permit conditions(i.e.,they are authorized to direct workers at a site to carry out activities required by the storm water pollution prevention plan or comply with other permit conditions).In the context of storm water discharges from Municipal Separate Storm Sewer Systems(MS4s),operator means the operator of the regulated MS4 system. 9VAC25-880-70.Part III.K.Signatory Requirements.Registration Statement.All Registration Statements shall be signed as follows: a.For a corporation:by a responsible corporate officer.For the purpose of this chapter,a responsible corporate officer means:(i)a president secretary,treasurer,or vice-president of the corporation in charge of a principal business function,or any other person who performs similar policy-making or decision-making functions for the corporation;or(ii)the manager of one or more manufacturing,production,or operating facilities,provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations,and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations;the manager con ensure that the necessary systems are established or actions taken to gather complete and accurate information for state permit application requirements;and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures; b.For a partnership or sole proprietorship:by a general partner or the proprietor,respectively;or c.For a municipality,state,federal,or other public agency:by either a principal executive officer or ranking elected official. For purposes of this chapter,a principal executive officer of a public agency includes:(i)the chief executive officer of the agency or(ii)a senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. Certification: "I certify under penalty of law that I have read and understand this Registration Statement and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information,the information submitted is to the best of my knowledge and belief true,accurate,and complete. I am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment for knowing violations." Printed Name: V c:r ea c V\ (..0 Signature(signed in ink): � ,/ Date: /0 - / Section VII.Submittal Instructions. Submit this form to the Virginia Stormwater Management Program(VSMP) Authority. if the locality is the VSMP Authority, please send your Registration Statement submittal directly to the locality;do NOT send this form to DEQ. A list of local VSMP Authorities is available here: VSMP Authorities. If DEQ is the VSMP Authority,please send to: If the locality is the VSMP Authority,please send to: Department of Environmental Quality The Local VSMP Authority(insert address below) Office of Stormwater Management Suite 1400 PO Box 1105 Richmond VA 23218 constructiongp@deq.virginia.gov Rev 04/2019 PAGE 4 17 CONSTRUCTION GENERAL PERMIT(VAR10) REGISTRATION STATEMENT 2019 INSTRUCTIONS PLEASE DO NOT PRINT OR SUBMIT This Registration Statement is for coverage under the General VPDES Permit for Discharges of Stormwater from Construction Activities. The following permit actions are covered by this form: new issuance,re-issuance,modification with an increase in acreage and plan modifications that do not result in an increase in acreage. Choose NEW ISSUANCE if this Registration Statement submittal is to obtain a new permit coverage,RE-ISSUANCE to renew an active,expiring permit coverage or MODIFICATION to modify an active permit coverage When modifying permit coverage,indicate if the modification is increasing the amount of acreage previous covered(MODIFICATION WITH ACREAGE INCREASE)or changing the site design with no increase in acreage (MODIFICATION WITHOUT ACREAGE INCREASE). Existing Permit Coverage Number. Provide the permit number for a modification or reissuance(i.e.VAR10####). Section I. Operator/Permittee Information. A.Construction Activity Operator(Permittee). The person or entity that is applying for permit coverage and will have operational control over construction activities to ensure compliance with the general permit.For companies,use the complete,active,legal entity name as registered with a state corporation commission. Entities that are considered operators commonly consist of the property owner,developer of a project(the party with control of project plans and specifications),or general contractor(the party with day-to-day operational control of the activities at the project site that are necessary to ensure compliance with the general permit). If an individual person is named as the operator,that person(or a representative of)must sign the certification in Section VI. An operator can be one of the following: 9VAC25-870-10.Definitions. "Operator"means the owner or operator of any facility or activity subject to the Act and this chapter.In the context of stormwater associated with a large or small construction activity,operator means any person associated with a construction project that meets either of the following two criteria:(i)the person has direct operational control over construction plans and specifications,including the ability to make modifications to those plans and specifications or(ii)the person has day-to-day operational control of those activities at a project that are necessary to ensure compliance with a storm water pollution prevention plan for the site or other state permit or VSMP authority permit conditions(i.e.,they are authorized to direct workers at a site to carry out activities required by the storm water pollution prevention plan or comply with other permit conditions).In the context of storm water discharges from Municipal Separate Storm Sewer Systems(MS4s),operator means the operator of the regulated M54 system. "Owner"means the Commonwealth or any of its political subdivisions including,but not limited to,sanitation district commissions and authorities, and any public or private institution,corporation,association,firm or company organized or existing under the laws of this or any other state or country,or any officer or agency of the United States,or any person or group of persons acting individually or as a group that owns,operates, charters,rents,or otherwise exercises control over or is responsible for any actual or potential discharge of sewage,industrial wastes,or other wastes or pollutants to state waters,or any facility or operation that has the capability to alter the physical,chemical,or biological properties of state waters in contravention of§62.1-44.5 of the Code of Virginia,the Act and this chapter. "Person"means any individual,corporation,partnership,association,state,municipality,commission,or political subdivision of a state, governmental body,including a federal,state,or local entity as applicable,any interstate body or any other legal entity. B.Billing information. If the person or entity responsible for billing/invoicing is different from the operator,please complete this section. If they are the same,leave this section blank. C. May we transmit correspondence electronically? If you choose YES to this question and provide an email address in Section I.A.,all correspondence,forms,invoices and notifications will be transmitted by email to the operator. This will also allow the operator to pay by credit card and receive permit coverage approval letters immediately upon approval. Section II.Construction Activity Location Information. Location information related to the project site. A.A site map indicating the location of the existing or proposed land-disturbing activities,the limits of land disturbance,construction entrances and all water bodies receiving stormwater discharges from the site must be included with the submittal of this form.Aerial imagery maps or topographic maps showing the required items are acceptable. Plan sheet sized site maps are not required. Please consult your Virginia Stormwater Management Program(VSMP)authority if you have additional questions regarding site map requirements. B.Provide a descriptive project name(it is helpful to use the same naming convention as listed on the Stormwater plans),911 street address(if available),city/county of the construction activity,6-digit latitude and longitude in decimal degrees format for the centroid,main construction entrance or start and end points for linear projects(i.e.37.1234N/-77.1234W). C.Construction Activity Entrance Location. Provide an address or decimal degrees coordinates and a description of the main construction entrance /here the permit coverage letter will be posted. Rev 04/2019 PAGE 5 17 CONSTRUCTION GENERAL PERMIT(VAR10) REGISTRATION STATEMENT 2019 INSTRUCTIONS PLEASE DO NOT PRINT OR SUBMIT Section III. Offsite Support Activity Location Information. This general permit also authorizes stormwater discharges from support activities(e.g.,concrete or asphalt batch plants,equipment staging yards, material storage areas,excavated material disposal areas,borrow areas)located on-site or off-site provided that(i)the support activity is directly related to a construction activity that is required to have general permit coverage;(ii)the support activity is not a commercial operation,nor does it serve multiple unrelated construction activities by different operators;(iii)the support activity does not operate beyond the completion of the construction activity it supports;(iv)the support activity is identified in the Registration Statement at the time of general permit coverage;(v) appropriate control measures are identified in a SWPPP and implemented to address the discharges from the support activity areas;and (vi)all applicable state,federal,and local approvals are obtained for the support activity. If requesting permit coverage for offsite activities,please complete this section. List additional offsite areas to be included under this permit coverage on a separate page. Offsite areas not included on this registration will need to obtain coverage under a separate VPDES permit. A. Offsite activity location information. Provide a descriptive offsite project name,911 street address(if available)and city/county of all off-site support activities.Provide the 6-digit latitude and longitude in decimal degrees(i.e.37.1234N,-77.1234W).Please note that off-site activities not covered under this permit may require separate permit coverage. B. Offsite activity entrance location. Provide an address or decimal degrees coordinates and a description of the main construction entrance. Section IV. Site Information. A.Acreage totals for all land-disturbing activities,on-and off-site,to be included under this permit. Acreages are to be reported to the nearest one-hundredth acre(two decimal places;i.e.1.15 acres). Provide the total acreage of the primary development site as approved on the Stormwater Management Plans and the primary on-site estimated acreage to be disturbed by the construction activity as approved under the Erosion and Sediment Control Plans.The off-site estimated area to be disturbed is the sum of the disturbed acreages for all off-site support activities to be covered under this general permit. Do not include the off-site acreage totals in the primary,on-site total and estimated disturbed acreage totals. Permit fees are calculated based on your disturbed acreage total for all on-and off-site areas being disturbed under this permit coverage(the sum of all on-site and off-site disturbed acreages). B.Estimated Project Dates. Provide the estimated project start date and completion date in Month/Day/Year or MM/DD/YYYY format(i.e. D7/30/2019). C.Property owner status. The status of the construction activity property owner. Any property not owned by a government entity or agency(i.e. federal,state or local governments)is PRIVATE. D.Nature of the construction activity description. Choose the designation that best describes the post-construction use of this project(you may choose more than one). (i.e.Residential,Commercial,Industrial,Agricultural,Environmental,Educational,Oil and Gas,Utility,Transportation, Institutional,etc.). Describe the project(i.e. Commercial—one new office building and associated parking and utilities;Transportation—Roads, sidewalks and utilities;Agricultural—3 Poultry Houses,etc.). E.Municipal Separate Storm Sewer System(MS4)name(s)if discharging to a MS4. If stormwater is discharged through a MS4(either partially or completely),provide the name of the MS4(s)that will be receiving water from this construction activity. The MS4 name is typically the town,city, county,institute or federal facility where the construction activity is located. F.This construction activity is part of a common plan of development or sale. "Common plan of development or sale"means a contiguous area where separate and distinct construction activities may be taking place at different times on different schedules per 9VAC25-870-10.Definitions. I.e.a subdivision,commercial development,business park,etc. G.6th Order Hydrologic Unit Code(HUC)and associated Receiving Water Name(s). Provide all 6t''order HUCs and receiving waters for the site and offsite areas that could potentially receive stormwater runoff discharging from this activity. The HUC can be either a 12-digit number(i.e. 0208010101)or 2-letter,2-number code(i.e.JL52). Include additional HUCs or receiving waters on a separate page. You may utilize DEQ's web- based GIS application,VEGIS,to obtain this information. • VEGIS application link: DEQ's VEGIS Mapping Application • Instructions for utilizing DEQ's VEGIS application link: CGP-GIS HUC Instructions Rev 04/2019 PAGE 6 17 CONSTRUCTION GENERAL PERMIT(VAR10) REGISTRATION STATEMENT 2019 INSTRUCTIONS PLEASE DO NOT PRINT OR SUBMIT Section V.Other Information. A.A stormwater pollution prevention plan(SWPPP)must be prepared prior to submitting the Registration Statement per 9VAC25-880. See 9VAC25-880-70.Part II.of the General Permit for the SWPPP requirements. B.If the Erosion and Sediment Control Plan for the estimated area to be disturbed listed in Section IV.A.has been submitted to the Virginia Erosion and Sediment Control Program(VESCP)Authority for review and plan approval,choose YES. If you are submitting this application to reissue an existing permit coverage,please provide the date that the VESC Authority approved the Erosion and Sediment Control Plan for the estimated area to be disturbed. C.If land disturbance has commenced,choose YES. "Land disturbance"or"land-disturbing activity"means a man-made change to the land surface that may result in soil erosion or has the potential to change its runoff characteristics,including construction activity such as the clearing,grading, excavating,or filling of land per§62.1-44.15:24.Definitions. D.If this project is using approved Annual Standards and Specifications(AS&S),attach the completed AS&S Entity Form. If the AS&S Entity is different from the operator identified in Section I.A.,list the AS&S Entity Name.The AS&S entity is the entity or agency that holds the approved annual standards&specification. • AS&S Entity Form link: Annual Standards and Specifications Entity Information Form Section VI.Certification. A properly authorized individual associated with the operator identified in Section I.A.of the Registration Statement is responsible for certifying and signing the Registration Statement. A person must physically sign the certification,a typed signature is unacceptable. State statutes provide for severe penalties for submitting false information on the Registration Statement.State regulations require that the Registration Statement be signed as follows per 9VAC25-880-70 Part III.K. 1.: a.For a corporation:by a responsible corporate officer.For the purpose of this part,a responsible corporate officer means: (i)A president,secretary,treasurer,or vice-president of the corporation in charge of a principal business function,or any other person who performs similar policy-making or decision-making functions for the corporation,or (ii)the manager of one or more manufacturing,production,or operating facilities,provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations,and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations;the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for permit application requirements;and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures. b.For a partnership or sole proprietorship:by a general partner or the proprietor,respectively. c.For a municipality,state,federal,or other public agency:by either a principal executive officer or ranking elected official.For purposes of this part, a principal executive officer of a public agency includes: (i)The chief executive officer of the agency,or (ii)A senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. Section VII. Submittal Instructions. Submit this form to the VSMP Authority that has jurisdiction for your construction activity. The VSMP Authority may be either DEQ or your locality depending on the location and type of project. If your project is under the jurisdiction of a Local VSMP Authority,please contact the locality for additional submittal instructions. A blank area is provided for the Local VSMP Authority to include their mailing address. Who is the VSMP Authority for my project? DEQ or the locality? • DEQ: DEQ is the VSMP Authority and administers permit coverage for land-disturbing activities that are: > within a locality that is not a VSMP Authority; ➢ owned by the State or Federal government;or ➢ utilizing approved Annual Standards and Specifications. • The Locality: The local government(locality)is the VSMP Authority and administers permit coverage for all other projects not covered by DEQ as listed above. For these projects,please submit permit forms directly to the Local VSMP Authority. A list of Local VSMP Authorities is available on DEQ's website here: Local VSMP Authority List. DEQ'S CONSTRUCTION GENERAL PERMIT WEBSITE http://www.deq.virginia.gov/Programs/Water/StormwaterManagement/VSMPPermits/ConstructionGeneralPermit.aspx Rev 04/2019 PAGE 7 17 Section 2. Notice of general permit coverage (This notice is to be posted near the main entrance according to 9VAC25-880-70, Part II, section C.)(Provide a copy of the DEQ coverage letter when obtained) Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County Section 3. Nature of activity (Provide a detailed narrative of the construction activities. Include or reference a construction schedule and sequence. Include any phasing.) The purpose of this project is to construct multi-family residential buildings. The necessary sanitary Sewer, waterlines, grading, storm drainage, and E&S measures are also included in this project. A total of 15.85 acres will be disturbed with this project. Issued— 10/2014 Stonnwater Pollution Prevention Plan (SWPPP)Albemarle County Section 4. Erosion and Sediment Control Plan. ',Provide a reduced, l i x 17 copy of the latest Erosion and Sediment Control Plan. Do not reference only.) Issued 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County • N. 1 / �.\ DIR ONLY UNDERGROUND UTILITIES ^_ TOP=555.6l1 I / //\\ \\ tA� MAY BE IN THE -- I UPTOWN VILLAGE LLC 1 INV IN(NI=54152 / R. ,- CONSTRUCTION AREA.THE --IXMON,F OB.3323 PG 740 !Nt'INlEI=54f 41 I /^a'Y// \\ \\ �. CONSTRUCTION CONTRACTOR SHALL CALL 1 I PARCEL,D 03200-00-00-05600 INV OUT=541 30 / 'HISS UTILITY"AT PRIMARY ZONING R I S RES,DENT'AL .I I I TOPA-52728 //L• A(/-24"CMP RISER \\ \\ 1-800-552-7001 48 HOURS PRIOR TO THE INV=546 05 1 -INV=541 13 1 _ INV IN=519 97 / /-/ TOP=528 39 \ START Of EXCAVATION.CONTRACTOR SHALL DIR ONLY -DIR ONLY ASSUMED LOCATION ASSUMED LOCATION - Nlc=55337 !NV=545 06 / TOP=544 39 3'DIA DECIDUOUS INV=53917 OF EX WATER LINE I RIP.RAP /NV OUT=519 89-I / / • INV.15'CMP UNOBSERV E \ VERIFY LOCATION AND ELEVATION OF ALL OF EX WATERLINE' TOP=55395 INV=54606- 1 �'. '/ TOP=53763i NOT FIELD-VERIFIED �� / / . W 4"MTL PIP :NV=52.5. \ UNDERGROUND UTILITIES IN AREA OF INV.INW)-537.35 TREE i -TOP=531 27 -PLASTIC' / • CONSTRUCTION PRIOR TO STARTING WORK. 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DD • • • , z ^/ Q "� UNSPECIFIED WIDTH AREA OTVUNDETERMINEO OWNERSHIP DESIGNATED A - I e eNGNT OF WAY PER / AS OE97GNATED ON PLAT REFERENCED W'tV PER PLAT .�p�j�� t `' 4� / Q•jVy IP !! / DB 9!PG 3.96 HEREON SEE NOT k5 'N DB 569 PG 32- f � �i •I`= �- ��V+ / Q f jJ B I' (NO INDICATION OF OLD �R/.F// - ROAD OBSERVED IN FIELD( / '�y DD _�'47 _�' ` ��jj►►�� I �Q. O \1 - , UPTOWN VILLAGE LLC UNSPECFIED.'lID iH - �) ;�wimp_ ,$r�� -- LLI L DB 3323 PG 740 RV✓PER RAND NOTE IN ROOr —' , .�T��,. __ �s� , d' (n S / P. .. PARCEL ID-03200-00 OD-05300 eiN PART, DB ;55 PG 424 2 ROn,I �'DE - 4'!I - - ^ / PRIMARY ZONING RURAL D6 I56 PG :+1 T-. _ / -----_,:—.'C- _ CD ,• ,/ l X co = F O W / a a �1 p5'X7•� . �• [`. .[01'.� .A D IDU0OUS ,:, 1 BUILD(,'. ./ /, j� $¢ FOUNDATION- '� Z •8 222 /i/ �, 8 / P ASPHALT CONCRETE li f / L%' �O CURB 8 GUTTER / ` VDOT PERMANENTDRAINAGE We BB "gyp,T / / •// // D8 4752 PGA3523ENT 42297 iy E • a. SCALE 1"=50' // / SHEET NO. B 0 sa 1Da / C3.0 i Jl_ DIR OM, - I I TOP=555.6p I 1 / //\ \ UNDERGROUND UTILITIES __ UPTOWN VILLAGE LLC I INb'(I(N1=541.52 y// / \ \ , MAV BE IN THE DB 3323 PG 740 NV IN(E=541 41 SP / \ \ 1 CONSTRUCTION AREA.THE I I PARCEL ID 03200-00-00-05600 /NV OUT=541 JO / ` * CONTRACTOR SHALL CALL PRIMARY ZONVVG R 15 RESIDENTIAL / / // \\ \\ MISS UTILITY'AT 1 I TOP=527.28 //d / -24"CMP RISER \ \ t-800-552.700148 HOURS PRIOR TO THE i I INV=546.05 �p/A ONLY INV.=54113 ASSUMED LOCATION /NV IN=519 97 / / TOP=52839 \ START OF EXCAVATION.CONTRACTOR SHALL DIR ONLY INV=5392I / INV I5"CMP UNOBSERV E ASSUMED LOCAL rON f -'NV=553 37 / WV=54.5 06 1 TOP=544 39 OF EX WATER LINE I RIP-RAP /NV.OUT=519.89-/ / / 7µ\ \ VERIFY LOCATION AND ELEVATION OF ALL T� / W4'AI P NV=525 UNDERGROUND UTILITIES IN AREA OF OF EX WATER LINE '553 95 rNV=546 06 INV INIWy537 51 TOP 537 53 NOT FIELD-VERIFIED TOP=53I.27 / // \ INV IN f 1 / \ NOT FIELD-VERIFIED- WV IN(N1-53715 'NV INt Wl=53184 AppROX/MATE LOCATION `` �� I ,yP / -- -- T r CONSTRUCTION PRIOR TO STARTING WORK. INV OUT=54321 •C 5. INV IN Nr-53+75 20 LVATER L,NE EASEMENT I I j lNV IN=52077 / e /, \ R t U I INV OUT=1718 1 I WV OUT=..2056 / / - I NV OUT 53!fi3 / \ • - d4 -W --- r _ De 19YJIi ac sei I = ,_1 r �/ --- _ �`.,��INV.=si.. C u.E EROSION CONTROL LEGEND: '/5g5- — — 1 �, — INV-545 /� _ _ �..� 1 _ .�qr�� _ / - SAFETY FENCE .301 HT$ II�S 4 551 61 _ , i i .�— � asMF.= A-:s:;L: SEE 36CONSTRUCTIONENTRANE EEy_j. .TOP=5*50 '•jn..�'` i_l"A114Nr 'K.,✓ , .s $ TOP=5Ni.80y �V_� - � _ W/15"HOLE KNOCKEL CONSTRUCTION ROAD \ ON' y 'V y 4' �' W t= y ..v ,D'.y � \ y .y,1,."b �W' 1.�,HH7 F�L' 'L EMERGENCY SPILLWAY �y `U y�y JT y, .,V_�' .• t _.r^ _ _ -\ 5 _ � T �,y y` .v +t 'w +' y ? y y Wy,�.v `., '1'- v J� y +' � Ifr.l —A 11r — �? 4'ME74L PIPE INV=.f STABWZATION '3.03 a g O y Z y y 3.`y ^/' �¢ � .d y +' y y OT CUSS I RIP RAP ,rL{ 7, y `/' x' y y `ti' .V �, �y .y. 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C3.1 0 5 100 ' E SILT FENCE SILT FENCE DROP INLET PROTECTION -"-"-I -"emu 1 STD.I SPEC 3.05-VA EROSION AND SEDIMENT CONTROL HANDBOOK(19921 STD.B SPEC.3.07-VA.EROSION AND SEDIMENT CONTROL HANDBOOK(1992) � •D � I NO WIRE BACKING WITH WIRE BACKING ELEVATION OF STAKE AND STANDARD ORANGE VINYL OR PLASTIC CONSTRUCTION FENCE NOON ..: •\., \n ig DROP INLET FABRIC ORIENTATION ATTACHED TO POSTS(PRE-WEATHERED WOOD,GALVANIZED ❑. ..■ l; / WITH GRATE STEEL,IRON OR THICK PVC PLASTICI.AT LEAST 40"ABOVE 6' MAX a --- 10' MF3 _ - FILTERED ,❑ON MEM _ FINISH GRADE WITH SPAN BETWEEN POSTS NO GREATER � 16' - 1 6' - �iqi MESH• FRAME S- - STAKES WATER THAN 6 ON CENTER.EVERY NINTH POST SHALL CONTAIN A �. .� FABRIC -'I WARNING SIGN THAT CLEARLY IDENTIFIES THE FENCE AS A - Doe _= *�� -'�-" ' TREE PROTECTION FENCE. -,, _ RUNOFF WATER I=•11 LIP - _ -- -' /,..,A\N: �� J�`- WITH SEDIHE NT�y a.v:::::::. ' • • •••0•0.•s•,.•�.•...!: _ p,/' 4• ', i - _ a y �y4.�'` �' iP TREE PROTECTION FENCE3.388� ��• � .* I_ s °• Easl \ 4• GATHER EXCESS `/` /r�/r - A - - ��'`I'�I�� i 4T CORNERST N ER c E PROVIDE I•TUCK OR SOTABLY PROVIDE I'TUCK OR SUITABLY BURIED FABRIC �F+ II REINFOR ED TOP END SECTION REINFOR ED TOP END SECTION 2 X 4 WOOD �`� \`\ ' € 1 T 40 ® 444:•:•:•:::•::4:9•:44:•::0:446:•:I:•4 4 0:444.:4:� 1.5 TEMPORARY FILL DIVERSION •.;.•.•.•.•.•.••.•.•.!.•.;•••r.•.•.•.I.-.•.•.•.•.•.•.•.•.•.•. MINiFJi MV�� -••••••44.,•es% -�. �•• •••••I •-••• _ STD!SPEC J 10-VA.EROSION AND SEDIMENT CONTROL HANDBOOK(1992) ••••-•••••••••� •'; ••:•;:I•••:•:•�•-;:;:•:;:•::i !Y $$ MATT.ON WEAPON SLOPES R NO \\ \�ll S' EARTHEN RIDGE -•-•-•-•_•_•!•!••::: •!:!•!•�t�!:!•••!I!•!•!•!•!•!•!•!•!•!•!•! .T w •••••• • lilt uo In ZZ MIN. .'�-� ~ ra oIW� EMBED P OF FILTER CLOTH IN EMBED B'OF FILTER CLOTH IN _ TRENCH TO ANCHOR BOTTOM OF TRENCH TO ANCHOR BOTTOM OF I I_ I I I I I-III-III-I PERSPECTIVE VIEW - r" F F CLOTH COMPACT THOROUGHLY CLOTH. COMPACT THOROUGHLY E F I- 0 0 I I III-1 I i-III-II- I-III--III-11 IT 2.$g 0 SPECIFIC APPLICATION I�I I- I I-1 I -III-III-III-III-III- C' f.T, • �� •i`^ $$ 2 2 FILTER THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A I I=I I 2. II-III--III-III--III-II I J h �ir"- q ~ O O hq FABRIC RELATIVELY FLAT AREA(SLOPES NO GREATER THAN S%)WHERE INLET SHEET OR 1 -•Rat I 4 ?,."""% U U OVERLAND FLOWS(NOT EXCEEDING I CFS ARE TYPICAL THE METHOD SHALL NOT APPLY ��"FF••"- _ 4."t'w b•• - _ I�Or TO INLETS RECEIVING CONCENTRATED FLOWS.SUCH AS IN STREET OR HIGHWAY MEDIANS 4' • ♦ • ®a'�• ` z a S • , , 9� THE DIVERSION SHALL BE AT LEAST - - �T�. H ♦S'f•I r o 0 o p -I BLOCK AND GRAVEL CURB 2'INSIDE OF THE TOP EDGE OF FILL /�,•�,A-qA. _ o • �I yy •wRE MESH SHALL BEAMINIMUM J 2 z Dl INLET SEDIMENT FILTER THE SUPPORTING RIDGE SHALL BE - i _ i OF L GUAGE AND SHALL HAVE 4 R , MAXINIk1 MESH SPACING OF A STD.&SPEC.3.07-VA.EROSION AND SEDIMENT CONTROL HANDBOOK(1992) CONSTRUCTED WITH A UNIFORM HEIGHT ALONG ! h.::�.-� - 1 Can'NUT ITS ENTIRE LENGTH TO PREVENT BREACHING. •• •�t•- _r"/ / 1 i^ NE /f < O 000 II 1992 3.11 •iurnHn'• u.ian N DATE WIRE SCREE , , CONCRETE BLOCK •rn '' _ � Albemarle County Design Standards Manual-Engineering - - :6.'''X• ..nt Fi� .5, � «°"„ 0 8/9/2019 _ _ • TEMPORARY RIGHT-OF-WAY s NIN DrI... _ DRAWN eat GRAVEL FILTER• DIVERSIONS PERSPECTIVE VIEW PERSPECTIVE VIEW c.MORGAN •GRAVEL SHALL BE VDOT 03 MOST IS COARSE AGGREGATE PLASTIC FENCE METAL FENCE DESIGNED BY STONE - »'ARN •1 bESRoCTXM R00'I/t � J'SW-TA ASPIWLT TOP I COARSE AGCREOf IS \TE lw INT JD ACCESS 1 Jl FILTERED WATER • C.MORGAN CWBSF OTT. RWOFF WATER OVERFLOW Z T pe•]pR WITH SEDIMENT F b . .. • =•E�� <<' J1 lldl sAF SAFETY FENCE 3.01 • CHE[KEOBY I,:eLGREC,TE� '�" "o;',,j,:'.<r'. o / -d11 IIIB IIIII=1t111• .1 -I11:1 No SCALE • EBOFILF. SEDIMENT,/\ %/r�i�i. • r� Iaa 11II,-.\\J 111111 ��1• Imo, _ • • M.BOWSER AIMMUY WIRE SCREEN 2"L• CURB INLET 11M11\�I 6Ri� raftw SCALE W000 STUD _e.ypTNUV lIOG NTS c RUCTION O ro ASPHALT PAVED SPECIFIC APPLICATION WIER CLOTH +LuwNuurosS WCESS A THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB • EXIsmG ND • INLETS WHERE AN OVERFLOW CAPABILITY IS NECESSARY TO TYPICAL GRAVEL STRUCTURE =HNNLW"`F"E PAVERENr� - ' PREVENT EXCESSIVE POING IN FRONT OF THE STRUCTl1RE. EX OaouN 7 •wST EOM•FELL MTh -POSUNI DRAWEE El= rt. I MI n• ,-COMPACTED SOIL . FX.ORauNO ."•FLOW •I:.... eMN _ FILTER CLOTH _ 'm'•••'•• nleeOOEO..«. :,r::,I.NE-ER '--�© '•'°'R1CTZ Y Of a•wTO EX.GROUND cALY.Iarm OR M'VEN I ro sEaRENT o„ar ..P.MA'NM I'8° '''M"'� KIM o>�A..e�.n.... 1 ALUMINA,POSTS LLWRE d INGRESS AND EGRESS 1 '"Ap°•aG OD/ICE ` N .RI:a •":w� III. -II . • oPEaaroN "� ,Ra.. ,•K" '' SI. Pldtl A _ !� v,. ---�SMVE CRAW E I u•'�`o3L "'Y "b'�w' ..� I MIRE nEs OR LLMT Ms gGLMflY m FEMCE Posrs WnI BEDE& Lr 2_ _....• �SECRIENT-- PENCE �liSita �,1� li t6 WR I E CRAW LAM FENCE ' 3 ',I,I J - �';� :•.�•..`.. II lEwawo rosin .e'. "I'1 2 FASTEN FLIER DOTN SECURELY IO CHART[A.w FENCE MIN W l.D ~ 8 ItLIEX ryGLO o., LL JI u•� �• a MIRLMOM TES SPACED A YMW4 Of IA'NNW POST. Q SFCTION A-A, s.- n.~ lave...'. Hat sti *. - .. I �- 2 BIND EATER QORE A ARIMIIAE Or 4-INTO ERSRNG GROUND. O j I- F X w iq t I I I aIM n 1 nch balioc\ '•"'a ®� � I.01ERLAP AND FOLD AD.LMVEM.gCnEwS Or ALTER GLOM. Hit ft-a1. XqI n hoar m . e n 1.I.I adequate fiiiii .:,.(I TYPICAL EARTHEN STRUCTURE re ��// Ay -WR 1 A'.:1 at b t A n PIKAV le CHI MOW!_ au M- "{ eat„� - _ SUPER Wl T_EFNfF DETAIL ! lades ] 011 9 airy, N.Sum eda R AI done t Hall He pTeceNen Dom •,�, [ i. ® ,`^srxt .053 g irr. M1_1•1 our SOW MUMS CATE Sourer V.DSWC Plate 3.11-1 Ct• J LU I PAVED WASH RACKa I- i "°sc. TEMPORARY SEDIMENT TRAP `/ Q w zz i 'eve:re r we mo HI- LLJ • STD.A SPEC.3.13-VA.EROSION AND SEDIMENT CONTROL HANDBOOK(1992) > a -I B �yp��pp VARWLE• G 0 1 • iil TRAPS I e I.0' ~� LL G iC Page AVELI �'�'�'�••'R'•� I I 1� H Vet Storage Dry Storage v • [[ i , w IY 1- f OL E^ 'O^ O �n '•n O JV Oy •Ay •IY U� EXIST DRY STORAGE .:lvARIABLE• Q .N.. O i O 1 I , Y• C C . O •O • L^ L R g �w -'1 It • g'I 1^ n .0.O. E i Y E P O B'i E ) O m Y j - S C M GROUND EXIST O VJi 1 a mo.oR morn m•mDO DOUBLE SMOG GATE�� F O T3 >>„ >> O M O Y • ELl NU WET STORAGE GRIXMD J E} m,,slow •a>� • OW >•U ,lSA W >eI] >EU Es •v IOW ..`,Ts. 0 OV FILTER FABRIC ELEV. L CC v O.v pp v y v n SEDIMRNT 0.EANOUT COHSE C ASS RIP RAP K Z Ea SE A STANDARD FENCE Q AT NE DF WET 4GDREGATE•• Z Q 0 E E TEMPORARY DIVERSION DIKE OWN LN BT-, 1.57 105.2 'oaB 571 105'2 127.3 572 10 570 • 073 3 3011917 STORAGE VOLUME.. 'I"� - «- °' OUTLET CROSS-SECTION 0 P . ••e STD.I SPEC 3.09-VA.EROSION AND SEDIMENT CONTROL HANDBOOK(1992) Yf0 .f 1992 320 O 12 5 D�E:o a'.Ea GC a w...ATTN. SPACING BETWEEN CHECK DAMS L1J F• n COMPACTED SOIL ROCK CHECK DAM LENGT a g A OR4INAGEN EEET) g TB"Rt1N. L=THE DISTANCE ARE OF TUT POINTS AREATIN 4C.) E co g-1,.f.5.7,.._:,.. - - W 2 ACRES OR LESS OF DRAINAGE AREA: A AND B ARE oP EQUAL ELEVATOR 333 -III-III-III-I I i-I I1-1 l l= , _ '�'1;:iti"* =III III III-III-III-III-III-III-III if FnTER CIATII,y "v:a ` '\: • • � r�//�//r/ / !:2 . L ' sir NiK%%%��, _4 4.5 ' in 3:eS.• 1. A' ��/��/ r,r rri�ii��i�i%ii�r'��\�\r\ E (OPTIONAL) -- . II a III //� i;: BVIED/ III III COARSE AGGREGATE•• // E d <I SIDE SLOPES MUST BE 1.5:1 OR FLATTER I (DOWNSTREAM VIDH „I I,I,I /fILTE / i F.ARIiGI 11111111 i TEMPORARY OR PERMANENT SEEDING AND coi',ccREc.TE - -------T EXCAVATED /� , MULCH MUST BE APPLIED IMMEDIATELY .L. '::.. , AREA Noe No. _ :R:SP+:rri: UPON CONSTRUCTION ^A.E14 + -:_ COARSE AGGREGATE SHALL BE W OT q.qST.OR PS p`i p - s•4Vic; :L ' ,,: I Source:Va.DSwC Plate 42297 t qqq,,, a a ": :'�As~•: Ea: ,.. I OUTLET (PERSPECTIVE VIEW) SHEET NO. is C3.2 � 1992 3.14 1992 3.14 1992 3.14 1992 3.14 TEMPORARY SEDIMENT BASIN DESIGN DATA SHEET 8. Total available basin volume at crest of riser. - 2100 LTA at 16. With emergency spillway: yds. Anti-Seen Collar Design (with or without an emergency spillway) elevation 545.85. (From Storage-Elevation Curve) Assumed available head(h) - 1 ft.(Using Q2) 23. Depth of water at l spillway vest 8 ft p principal pi Y m •Minimum = 134 cu.yds./acre of total drainage area h = Crest of Emergency Spillway Elevation - Crest of Riser Elevation Slope of upstream face of embankment(2). 3 :1. Project BERKMAR DRIVE APARTMENTS 9. Diameter of dewatering orifice. 8 in. Slope of principal spillway barrel(Sb)= 14 96 Basin•SDI location NORTHEAST CORNER OF SITE Without emergency spillway: 10. Diameter of flexible tubing= 10 in.(diameter ofdewatering orifice Length of barrel in saturated zone(Ice). 110 ft Total area draining to basin: 900 aides. plus 2 inches). Assumed available head(h) = NIA ft.(Using Q�T) r B 24. Number of collars required= 2 dimensions= 775.7.75 >E h = Design High Water Elevation - Crest of Riser Elevation Basin Volume Design prElionio ly Design Elevations (from Plate 3.14-12). E Wet Storage: I t. Crest of Riser 545.85 17. Riser diameter(Dr). 72 in. Actual head(h)= ft. E e Final Design Elevations (From Plate 3.14-8.) `a•'a a I. Minimum required volume=67 a.yds.x Total Drainage Area(acres). Top of Dam= 548 Note:Avoid orifice flow conditions. 25. Top of Dam= 548 a o$o . 67 cu.yds.x 9_00 acres= 603 cu.yds. Design High Water= 548.40 Design High Water• 546.40 it►'$ 18. Barrel length(I)• 110 ft tO s N m 2 2. Available basin volume= 1440 ax yds.at elevation 542 . (From Upstream Toe of Dam. 538 Emergency Spillway Crest= 54820 storage-elevation curve) Head(H)on barrel through embankment= ft g s at Principal Spillway Crest• 545,85 5 u 4 O r r 3. Excavate cu.yds.to obtain required volume.. NANDShape (From Plate 3.14-7). LI '8 O_r,6Dewateritsg Orifice Invert= 542 IT- i •Elevation corresponding to required volume=invert of the dewatering 12. Lot mth of Flow L_ 19. Barrel diameter= 24 in. s o m�_u g F orifice. Effective Width We 0.5 Cleanout Elevation = 541 2§ xE 00 (From Plate 3.14-B[concrete pipe)or Plate 3.14-A[corrugated pipe)). R 4. Available volume before deanout required. If >2,baffles are not required Elevation of Upstream Toe of Dam 8;- to 20. Trash rack and anti-vortex device or Excavated Bottom of'Wet Storage elV H 33 cu.yds.x 9.00 acres= 297 cu.yds. If <2.baffles are required 110 BAFFLE Area(if excavation was performed) = 538 a. Diameter= 72 Height= 20 inches REFER TO PERMANENT TRASH RACK ,1M'M 2 0 5. Elevation corresponding to cleanout level. 541 $ppp$ o O DETAIL ON SHEET C7.5 i7 (From Storage-Elevation Curve) 13. Qy = 2.3 efs (From Chapter 5) (From Table 3.14-D). O ccOI 6. Distance from invert of the dewatering orifice to deamut level= 1.0 ft 14. Qss = 38.2 cfs (From Chapter 5) • (Min. =1.0 4L) O • a o 0 F,aergenct 'logy Desian w F vvq gl n Principal Spillway Design z "' Dry Storage; 21. Required spillway capacity Q. = Qys-Q. = 35.9 cis a 8 o 0: 15. With emergency spillway,required spillway capacity Op•Q2• 2.3 cis. 22. Bottom width(b) o DATE 7. Minimum required volume=67 cu.yds.x Total Drainage Area(acres). (riser and barrel) ft./foot;and the minimum lengthof themexiit channel(a))_ 67 a.yds.x 9_00 acres 603 or yds. Without emergency spillway,required spillway capacity Qp•QH•WA de ft 8/9/2019 (riser and barrel) (From Table 3.14-C). O DRAWN E aN DRAWN C.MORGAN 111-112 Ill-113 III-114 III-115 DESIGNED BY •• C.MORGAN • ' CHECKED BY TEMPORARY SEDIMENT BASIN SEDIMENT BASINS 0 • M.BOWSER Nwt Storage Dry Storage r5 BAFFLE BARREL • SCALE STD.8 SPEC.3 14-VA.EROSION AND SEDIMENT CONTROL HANDBOOK(1992) c o g''$ g' E .= E g •E - --- - • NTS RISER CREST • 1 �a D " ' hE SiE Y' 9 :`s 1 s / EMERGENCY $> a ' ai' a > Ub 3m a '- 3A �a $1 °a3 fv; 1 if 6$ c o • r 0,rj _ - SPILLWAY a ' gm S> O$ wra d• � A • EXISTING +� D E W AT E R N G 881 8.00 603 1440 803 2100 538 545.85 72 477 542 C 548.40 546.20 72077 548 10' 110' 548.35 120' 26' 538 526 GROUND - DEVICE ELEVATION a e DRY STORAGE • ` WET STORAGE I. D e 992 1 3.18 1992 3.14 1992 3.11 _ in i PIPE OUTLET CONDITIONS DETAILS OF CORRUGATED METAL RECOMMENDED DEWATERING Z 2 A A ANTI-SEEP COLLAR SYSTEM FOR SEDIMENT O LU OUTLET PROTECTION SIZING2. .'•�R "e'a'-'H"'� - BASINS Z ? I- (SIZING FOR SB1 AND WET POND) -_ r :,ice:• omPilR,/ 7 N.m a. t H F- cLLJ 2 � ��_�� t RIPE OUTLET TO FLAT TY 3 '��{N REA a'ITH NO DEFINED �"apWC O:22 V I tel7x01 3 a do=26' PLAN VIEW ``� � `� CHANNEL • `e SECTION 8-B .,.o° POLYETHYLENE Q `3"O O i 14' • L. =La+do=16' L a ELEVATION OF UNASSEMBLED COLLAR x m caua r vu-PE .ED ar Q Z a PANTI G TER WV. o w*CNING m a sore roe ONION run. _ DUNN , O MAMMALS TO a IN AcwRDAxa NM 4.TIa U.I.aTREd THE TAO.ULr SECTIONS VARIES AS i; SIZE(d50=0.75') COSTRUCTION ANO CONSTRUCTION MATERIAL HD NINEEN TN(Tour AND CONNmrING NANO d fr(GEI(ATKNs SHALL a e.ar®NM ASPHALT WSM.• fOROMIED IgLYEn1WIIC•PAKTEN EatOoCierO If G LL 8idgatigaSSE = COCURS SHALL BCIIN ACCMDAErCE MIM aT S E�CNCCOWRRSNAIL'NRxnNED cart:TWO xAEs vac aM N {y mu CIOTII CONSTR..0 MID CONSTRUCTION MATERIAL I/S Dr.ETER acne MAIM STA.0:0 T.NH MrEIOI^alA'I� - yp(j fq0{ Sum.A-A mar-r.amwlan T ran alma NAN ry sncx uraxs. Olaf COIRt[rnxc COIIAM ro PoR. „Val G U R OUTLET PROTECTION SIZING �7 I ' 0 o U 3 A DETAIL OF HELICAL PIPE .x -rtRNCD-57riF-ca40.ND SIOPAGE Ce s '."; ��.��, ANTI-SEEP COLLAR GRR�TED Mrt �� Q "' O 4 OP2: B� 3I (YIN.) r OEMTFAwG ORrICE. F d 3 � �•r4'�!ii A sly.xo uAOHc ar S o m .Yes',VVNA M;,�:..."^"A N'w"` SCHoimEMES ME nLai (s sluleL<uf00T IANNLIN a r� O- �- :41�% off•!! �rt.=s`n cos Ma s.Mc xort Ds.xo owes: APPENDIX J.1as E (7 (n B 3d =9' a, '��' =s xya�i�w o'x Y COLLAR. YDwnunoxs or Txt onN s O " O USE RODS AND DUOS TO CLAW SHOWN MAY t[US[D PaOVIDiMG 1 �' :,�1�•• MAIDS SECURELY i0 PIPE. \I EQUAL w.TCll Iowa SS�t O U La=20' i r: .�!'N, Pie owner r0 WELL 'r I4AtYruaD AND DRMhm o OC Q W=La+do=23' `-� .,�1�� DEFINED csu9xeL L.,r.t '� ' vie iK LINKER»TER LNL K W c PLAN VIEW •��_!:�'- 1 1�1 TO D(LMar. I11 NOTE:MTh CONCRETE RISER,USE PVC SCHEDULE 40 STUB 5 A 1 SIZE(d50=0,75') L a + II`1 � R ��` ISOMETRIC VIEW FOR OEwATERINC ORIFICE E CO 11 aP NOTE BOTTOM LENGTH OF OUTLET PROTECTION . D x `I1 M r v v. m""`o. m �la�rr�.. NOTED FOR GRAILS Dr EANIICATION OwOmoxs.w GAGES. *DRAINAGE TUBING SMALL COMPLY WON ASTM i/17 QQ TO BE INSTALLED FLAT. W_ - �. d SIOrtCo NOTES.AND NOTES.SE(MAN AMOK. AND AASHTO N294 S SECTION A-A FILTER CLnm HET w r•r • Om roR T Plw ICIER m.33 r'NOTE:no OTHER TTrro or din-SRr COLWS AM: g S NOTES.I N LINING MAY BE WRAP GROLTED vrvaP.Duciov ErnstI WELDECORRUD a STAR SIMILAR TO ILK)SEDTIDNE OF ME PIPER.(ACERT AND - BASKKfTM,0 CONCRETE oMDm TO•.SNORT g CALCULATED CONCRETE. NM�CES THICK SAL m THE vTHE, g u e LENGTx APRON As PARTIAL ELEVATION G. ONCRETE. NICHES Nw:x FOAL.MOUND THE 5¢ •I TN PS (W SPACED S NORIEONrALLT•0 veencAuy. r1 Ai' IA PLATES tnt31E a AND STONE - - ...H....*CHES =MI B5 I.S AN 6 THE YAx1MVY 4NN[OLWf2R.BUT NOT e aPSS HNBtu Source: USDASOS Plata 3.14-13 Source: Va.DSWC Plate 3.14-15 .I Source: No. # Satr9/: Va.DSWC Plate 3.18-1 42297 p, 111-109 N-Ill SHEET NO. 3e 7 III-157 C3.3 fE MINIMUM STANDARDS E&S SEQUENCE TABLE 3.32-13 (Rased June 2003) MS-1.Permanent or temporary soil stadhzanon shallbe applied to denuded areas MS-19.Properties and waterways downstream from development sites shall be PHASE I PERMANENT SEEDING SPECIFICATIONS FOR PIEDMONT AREA within seven days after final grade is reached on any portion of the site.Temporary soil protected from sediment deposition,erosion and damage due to increases in volume 1. A PRECONSTRUCTION CONFERENCE IS MANDATORY 1992 3.31 SEED' stabilization shall be applied within seven days to denuded areas that may not be at veloc'N and peak low rate of storrnwater runoff for the stated frequency storm of BEFORE ANY WORK IS DONE AT THE SITE.THE final grade but cell remain dormant for longer than 14 days.Permanent stabilization 24-hour duration in accordance wrth the following standard.and cnterla.Stream CONTRACTOR IS RESPONSIBLE FOR ARRANGING A MEETING Mulshiux LAND USE SPECIES APPLICATION PER ACRE stall be applied to areas that are to be left dormant for more than one year, restoration and relocation protects that incorporate natural channel design concepts are WITH THE OWNER AND COUNTY INSPECTOR. • Tall FNMA' 95-100% not man-made channels and shall be exempt from any Row rate capaaN and velocity P t Mask in for wnr corer and 4i uea!hoc Oo M aunmer months than Minimum Car e Lawn Perennial a I 2. INSTALL PAVED CONSTRUCTION ENTRANCE WITH WASH Lill iv d n Rya?aas 0-5% MS-2.During construction of the project soil stock piles and borrow areas shall be requirements for natural or man-made channels be mulched according to MULCHING.Std.I Spec 3.35.except that lches LCommerdal or Residential! Kentucky Bluegrane 0-5% stabilized or protected cam sediment trapping measures.The applicant is responsible RACK AND CONSTRUCTION ROAD STABIUZATION AS SHOWN (fiber mulch)will tot be considered adequate.Stow mukh should be coed used during TOTAL 175-2001ts for the temporary protector and permanent stabilization of Y sod stockpiles on site as a.Concentrated stormwater runoff leaving a development site shall be discharged ON THE EIS PLANS.INSTALL DITCH WITH CHECK DAMS AND these periods. - well as borrow areas and soil intentionally transported from the project site. directly into an adequate natural or man-made receiving channel pipe or storm sewer RIP RAP OUTLET FOR TRAPPING DISCHARGE FROM THE High-Wintertime Lawn Tall Pastas' TOTAL 200-2501bs • system.For those sites where runoff is discharged into a 2. Temporary seeding made under favorable soil and site conditions during optimum TY Fesa e' 128 IS. ) MSS.A permanent vegetative e cover be established at the outtall of the pipe or he0 on denuded areas not downstream stability analysespipe or pipe system. CONSTRUCTION ENTRANCE. spring and fall piing dates may not require mulch.2. stabilized.Permanent v pope system shad be 3. CLEAR AND GRUB ONLY AS NECESSARY THE General Slop(3:1 or lase se Creeping Red Top Gress or Creeping Fescue 2 lbsm . otherwise permanentl y s egetanon shall not De considered performed. PRELIMINARY UMITS OF DISTURBANCE TOO INSTALL Rd-seeding Seasonal Nurse Crop' 201bs • j r • established unbl a ground cover is achieved that is uniform,mature enough to survive TOTAL:150lbs E and will inhibit erosion. b,Adequacy of all channels and PERIMETER EROSION CONTROL MEASURES.INSTALL SILT _ - v E Pipes Shall be venhed In the Areas which fail to utablish vegetative cover adequate to prevent ell erosion w,II tic re- Tall Fescue' 108 Re fdllowin FENCING,TREE PROTECTION,INLET PROTECTIONS,AND MS-4.Sediment basins and tiro g manner seeded as soon as welt areas are identified. Red Top Gress or Creeping Fescue 210s s traps,perimeter dikes.sediment barriers and other I I)The applicant shad demonstrate that the total drainage area to the point of analysis WETLAND CONSTRUCT TAPE. Low-Maintenance SbDs Serenal Nurse Crop. 201b. i 4. SEDIMENT BASIN,SEDIMENT TRAPS,AND ALL _ ISteeper than 3.11 0 u measures intended to Gap sediment shall De constructed as a first step In any within me channel is one hundred times greater man the contributing drainage area of Crowmetch' 201be land-drsturdng activity and shall be made functional before upslope land disturbance the project in question,or DIVERSION MEASURES AND OUTLET PROTECTION.ENSURE TOTAL 1501bs s o takes place. DRAINAGE PATTERN TO BASIN IN FILL AREAS.RUNOFF WALL T"��3-11-B C 2 (2)(a)Natural channels shall be analyzed by the use of a two-year storm to verify that BE DIVERTED TO SEDIMENT BASINS AND TRAPS WITH ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS 1-vw,en selecting varieties of turfprau.use the Virginia Crop improvement Association(VCN)nsommsnd.d g�N MS-5.Stabilization measures shall be applied to earthen structures such as dams, stormwater will not overtop channel banks nor cause erosion of channel bed or banks. DIVERSION DIKES. mngrssa oenery lit.OuaIM seed we beer a heel indicating mat they are approved by VOlO A anent erya.a dukes and diversions immediately after installation. 5. SEDIMENT BASIN AND FUTURE WET POND SHALL HAVE THE •QDI(,'1(REFERENCE FOR ALL REGIONS' varies list a available at the local County Extension office or through Vele at 804-746-804 or at S g 51,„- (b) V9 Al previously constructed men-made channels shall be analyzed by the use of a EMBANKMENT CONSTRUCTED PER THE FINAL DESIGN, http.rrsudan.cses.vtedumlmvTurnmrnpuleatbrwpudicationa7.html g , MS-6.Sediment Nape and sediment basins shall be designed and constructed based ten-year storm to verfy that stormwater will not overtop its banks and by the use of a Rate 2-Use seasonal nurse crop in awarder...eh seeding dates as stated below D upon the total drainage area to be nerved by the trap or basin. two-ear storm to demonstrate that stormwater will not cause erosion of channel bed or INCLUDING RISER STRUCTURE,BARREL.CLAY CORE,AND PlaoMm um, / _ Z Y 5ete61 (Ilea..acrdl February l6th-April_. Annual Rye O t( ARMORED EMERGENCY SPILLWAY. m ei w 2 banks,and May tilt tutu.August ober ..... ... FortedAnnual Meet r v N_ a.The minimum storage capeciry of a sediment trap shad be 134 cubic yards per acre 8. INSTALL EC-3 MATTING ON ALL DISTURBED SLOPES • Aupual 16m-October Annual Rye o of drainage area and the trap shall only conlid nags areas less than three acres. c PI Sept.I'Feb.IS 50/50 Mu of _ rS-r{ () pas and storm savor systems stall be analyzed W the use of a ten-year storm to GREATER THAN 3.1. November February of G winter Rye $ao p t,l V% Annual Ryegramutri•ti o-er perurds use un Leed Sere for Cf%No s i oust of unease to(Ma through fpte spin use hulled seed,d. verity that atormwater will be contained within the pipe or system. 7. ALL DIVERSIONS,SEDIMENT BASINS,AND SEDIMENT TRAPS y age areaseLWnum main-0oruml other periods use a or low ainte a R Flag F D.Surface runoff from disturbed areas that is composed of Row from drain lone n used,increase rate k]D Ibaacre.If Weeping Loveprass n wed. greater than or equal to three acres shall be controlled by a sediment basin.The c.If exrstiMUST R SEEDED AND MULCHED IMMEDIATELY UPON & 50-In' include�n any slope or law maintenance mbeaa doing rsrmer seeding periods increase to 30-m U>- minimum Storage capacityof a sediment basin shall be 134 cubic yards per acre ofne natural recavitp channelst previously constructed man-made channels CONSTRUCTION Cereal(Winter)Rye - e U U W or ropes are not adequate.the applicant shall. 8. AFTER PERIMETER EROSION CONTROL MEASURES ARE (Wale restakl _ 1K Qp drainage area.The outfall system shall.at a minimum.maintain the structural integrry FERTILIZER 6 UME 'n S i of the basin duong a 25-year storm of 24-hour duration.Runoff coefficients used In (1)Improve the channels to a condition where a ten-year storm win not overtop the BUILT AND WITH APPROVAL OF EROSION CONTROL runoff calculation shall correspond to a bare earth conditiontw or those conditions banks and a o-year storm will not cause erosion to the channel.the bed.or the banks, INSPECTOR,CLEAR AND GRUB OTHER PORTIONS OF THE Feb.I6•Apr 30 Annual Ryegrass 60-ton • Apply 10-20-10 fertilizer at a rate of ens tbs r acre(or 12 Lei 1,000s4 IE 3 expected to exist while the sediment basin is utilized. an SITE AS INDICATED ON PLANS. ()stain multi-knitol • Apply Pulverized Agricultural Limestone at a rats of 2 condoms(er 90 b r 1.000 m It) u O 9. THE CONTRACTOR SHALL INSPECT ALL E65 CONTROL 9 MS-7,Cut and fill slopes shall be designed and constructed in a manner that we (2)Improve the pope or pope system to a condition where the ten-year storm is MEASURES REGULARLY AND AFTER EACH SIGNIFICANT -A NOTE amaze erosion.Slopes that are found to be erodingsly May I-Aug 31 Gentian Millet SO -A soul test is necessary to determine the actual amount of lime required to adjust me sae pH of sea. m i evicessry whin one year of contained within the appurtenances: STORM EVENT AND REPAIR/REPLACE IF NECESSARY. permanent stabilization shall be provided with additional slope stabilizing measures until PHASE II ($atone Imo) -Incorporate the lime and lertilger unto the lop 4-8 inches of the soil by disking or by other means. w 0 a'.9 RI the problem Is corrected. (3)Develop a site design that will not cause the pre-development peak runoff rate from 1 BEGIN SITE GRADING AND STORM SEWER INSTALLATION, w "? a two-year storm to increase when runoff outtalls into a natural channel or will not ca.° , -When applying Slowly Available Narogen,use rates available in Erasion&sediment COMr.I Technical Bulletin U LiC so so MS-8.Concentrated runoff shall not low down cut or fill slopes unless contained within the pre-development peak runoff rate from a ten-year storm to increase when runoff Source:INLET PROTECTION AT EACH DRAINAGE INLET. Source:Va DSWC ale 2003 Nutrient Management for Development saes at hop irwww.ea.Yale.va.uNawrese.hbMoubs a o 0 an adequate temporary or permanent channel,flume or slope drain structure. outfalls into a man-made channel,or MAINTAIN TEMPORARY DIVERSIONS AND PIPES TO - - - 0 SEDIMENT TRAPS AND BASINS,AS WELL AS ALL PERIMETER • Summary of Fertilizer Specification Revisions rot Establishment of Turf DATE MS-9.Whenever water seeps from a slope face,adequate drainage or other protector (4)Provide a combination of channel Improvement,stormwater detention or other MEASURES,THROUGHOUT ALL UPSTREAM GRADING. 2003 Urban Nutrient Management Technical 8/9/2019 shall be provided. measures which is satisfactory to the VESCP authority to prevent downstream erosion. 2. BEGIN FINAL GRADING,CURB CONSTRUCTION.AND PAVING. III-2B7 Stan ci6• Maeda&SpcYbns Bulletin p 3. ONCE STABILIZATION IS ACHIEVED WITHIN THE ULTIMATE DRAWN in MS-10.All storm sewer inlets that are made operable during construction shall be d.The applicant shah provide evidence of permission to make the improvements. DRAINAGE AREA TO THE SEDIMENT BASINM/ET POND,MUCK 10-10-10 fertilizer applied ate rate of 450 lbs./ protected so that sediment-laden water cannot enter the conveyance system without OUT THE BASIN AND ADJUST GRADES AS NECESSARY TO 3.31 Emory Seeding acre or 10 lbs/1,000 11° first bang filtered or otherwise treated to remove sediment. e.All hydrologic analyses shall be based on Sr existing watershed characteristics and - C.MORGAN the ultimate development condition of the subject protect. MATCH THE SHAPESIZE OF THE PERMANENT POND.PLANT MS-11.Before newly constructed stormwater conveyance channels or pipes are made THE AQUATIC SHELF PER THE PLANS ON L5.1.INSTALL Mixed Grasses 8 Legumes sore10-2 or 0 terNizer applied at a rate of SOO IW./ OESIGREO BY acre or 121bs/1,000 R' operational,adequate outlet protection and any required temporary or permanent f.If the applicant chooses an option that includes stormwater detention,he shall obtain OUTLET PROTECTION,GABION WALLS AND ALL REMAINING EROSION CONTROL_LONLlt7 -.-- --- • C.MORGAN channel lining shall be installed in both the conveyance channel and renewing channel. approval from the VESCP of a plan for maintenance of the detention facibtes.The plan ELEMENTS OF THE POND AS SHOWN ON THE PLANS AND SEEDING&FERTILIZING Apply the equivalent of 100 lbs.of phosphate • - shad set forth the maintenance r! - CHECKED BY requirements of the facility and the person responsible VERIFY L E DESIGN AND STRUCTURE IS CONSTRUCTED PER 3.32 Permanent Snarls Legume stands only (P,NO NITROGEN and 100 IN).al Potash(K,O)per acre. MS-12.When work in a live watercourse is performed,precautions shall be taken to for performing the maintenance. THE FINAL DETAILS. Seeding NO (N) • M.BOWSER minimize encroachment control sediment transport and stabilize the work area to the 4. FOLLOWING EACH SIGNIFICANT STORM EVENT PERFORM SEEDING SHALL BE DONE IN CONFORMANCE WITH SECTION 603.01 THROUGH - greatest extent possible dunng construction.Nonerodible matenal shall be used for the g.Outran from a detention facility shah be discharged to a recarvinp channel.and INSPECTION OF ALL EROSION CONTROLS AND MAINTAIN ALL 603.04 OF V.D.O.T.SPECIFICATIONS. 1020-10 fertilizer applied at a rate of 51)01bs./ • SCALE construction of causeways and cofferdams.Earthen fill may be used for these energy dssipators shall be placed at the outfa of all detention facilities as necessary to Grw stands only structures if armored by nonerodible cover materials. provide a stabilized transition from the facilityto the receiving channel. EROSION AND SEDIMENT MEASURES BY REMOVING THE AREA TO BE SEEDED SHALL FIRST BE FERTILIZED WITH COMMERCIAL one or 12 lbs/1,000 ft. • NTS ACCUMULATED SEDIMENT AS DIRECTED IN THE VIRGINIA 10-10-10 FERTILIZER AT THE RATE OF 30 LBS.PER THOUSAND SQUARE lif MS-13.When a live watercourse must be crossed by construction vehicles more than In.Al on-site channels must be verified to be adequate. EROSION AND SEDIMENT CONTROL HANDBOOK OR BY THE acre or 0 fertilizer applied at a rate of 4tA lbs./ Noce in anysix-month period,a temporary vehicular stream crossing FEET AND TREATED WITH AGRICULTURAL UME AT THE RATE OF 100 LBS. acre or 10 lbs/1,000 fP.NOTE For ad season • p ry ve g constructed of COUNTY INSPECTOR. PER THOUSAND SQUARE FEET.THESE SHALL BE UNIFORMLY WORKED INTO 3.33 Sodding grasses apply fertilizer In fall or spring.For warm. X nonerodible material shall be provided. i.Increased volumes of sheet flows that may cause erosion or sedimentation on 5. ANY STORM SEWER LEFT EXPOSED AT THE END OF DAILY SURFACE TO A MINIMUM DEPTH OF ONE INCH, season grasses apply the fertilizer in late spnng • adjacent property shall be diverted to a stable outlet,adequate channel.pipe or pipe OPERATIONS SHALL BE PROTECTED WITH A RING OF SILT or summer only. MS-14.All applicable federal,state and local requirements pertaining to working in or system.or to a detention facility. FENCE AT THE OPEN END OF THE PIPE.CARE SHOULD BE 3.SEEDING SHALL BE DONE ONLY BETWEEN THE DATES OF FEB.15 AND APRIL crossing Inc watercourses shall be met. TAKEN TO PREVENT SEDIMENT FROM ENTERING ANY 15 OR BETWEEN SEPT.15 AND NOV.15,EXCEPT AS MAY BE OTHERWISE 10-10-10 fertilizer applied at a rate of 500 lbs./ j.In applying these ctormweter management criteria,individual lots or parcels in a PARTIALLY COMPLETED STORM SEWER. DIRECTED BY THE ENGINEER. acre or 12 Its/1,000 ft'.Apply additional MS-15.The bed and banks of a watercourse shall be stabilized immediately after work residential,commercial or industrial development shall not be considered to be separate 3.34 Bermuda grass I aOVSIA GRASS Establishment phosphorus and potassium 30-60 days F 8. APPLY PERMANENT OR TEMPORARY SOIL STABILIZATION p ys later in the watercourse is completed. development projects.Instead,the development,as a whole.shah be considered to be 4.SURFACE SHALL BE RAKED AND SMOOTHED TO ELIMINATE RIDGES AND based on the sail test Apply an additional CIL single development project.Hydrdl in a parameters that reflect the Whmate WITHIN SEVEN DAYS AFTER FINAL GRADE IS ACHIEVED ON DEPRESSIONS. equivalent of 1 ID./1,0001P of nitrogen when the 9 MS-1E Underground ubliry lines shall De installed in accordance with the following development condition shall be used in al engneenng calculations. ANY PORTION OF THE SITE.TEMPORARY SOIL P 6 K are applied. 9999 standards in atltlition to other applicable criteria STABILIZATION SHALL BE APPLIED TO ANY DENUDED AREAS 5.AFTER PRELIMINARY RAKING,THE SEED SHALL BE SOWN AT THE RATE OF -- --- ( Lr k.All measures used to protect properties and waterways shall be employed in a THAT MAY BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOUR LBS.PER THOUSAND SQUARE FEET AS FOLLOWS: D , a.No more than 500 knots feet of trench may be opened at one time. manner which minimizes Impacts on the physical,chemical and biological integrity of FOR LONGER THAN THIRTY DAYS.THE SEEDED AREAS 1 rs.streams and other waters of the state. 20%PERENNIAL RYE b.Excavated matenal shall be placed on the uphill title of trenches. eve SHALL BE CHECKED REGULARLY TO ENSURE THAT A GOOD 35%CREEPING KY 31 FESCUE ¢ Ln I I.Any plan approved prior to July 1.2071.that provides for atormwater management STAND IS MAINTAINED.AREAS SHOULD BE FERTILIZED AND 30%CREEPING RED FESCUE tote roans anioDE STANDARDS Z '2 M c.Effluent from devratermg operations shall be filtered or passed through an approved that addresses any Row rate capacity and velocity requirements for natural or RE-SEEDED AS NEEDED. 15%REDTOP I e r, O W U Q [ sediment trapping device.or both.and discharged rn a manner that does not adversely man-made channels snail sat sty the Row rate capacity and velocity requirements for 7. ALL PERMANENTLY STABILIZED AREAS GREATER THAN 3.1 (ALL PERCENTAGES ARE BY WEIGHT) Fu a opt scrub 1LOPE Laelg aE T ZT YOPE d �C affect Rowing streams or off-site property• natural or man-made channels a the practices are designed to 0)detain the water SLOPE SHALL HAVE LOW MAINTENANCE VEGETATED ailiFR YEP e > : tl.Material used for backfign trenches shall be o quality volume and to release a over 48 hours,(ii)detain and release over a 24-hour GROUND COVER. 6.SURFACE SHALL THEN BE LIGHTLY RAKED IN ORDER TO COVER SEED NO poop 5T0 Eta - LL�• w fl properly compacted in order to perod the expected rsnfall resulting from the one year,24-hour storm.and(is)reduce DEEPER TWIN 1/41NCH AND THEN SPRINKLE YWTH WATER,THE SEEDED 1MTEaiaL tnTicnLr 7•IZ°e'.'„e„w",o,"a r 0 I minimize erosion and promos stabilization, the allowable peak Row rate resulting from the 1.5,2.and 10-year.24-hour storms to a SURFACE SHALL BE COVERED WITH STRAW OR HAY TO PREVENT EROSION AND tlowHkopE t� ", , Q prire5 s" level that n less man or equal tome peak Row rate from the site assuming peak It was in a TO PROTECT SEEDING.THE ENTIRE SEEDED SURFACE SHALL BE ROLLED I e.Restabilization shag be accomplished in accordance with this chapter. good forested condition,acNeved through multiplication of the forested peak flow rate WITH A CORRUGATED ROLLER AFTER SEEDING AND BEFORE COVERING WITH w "'e OV (n '§ f.Applicade safety requirements shall be c by a reducton factor that is equal to the runoff volume from the site when It was in a STRAW.CONTRACTOR SHALL PROTECT SEEDED SURFACES UNTIL A GOOD A ,v., I . 1 a ery complied with. good forested condition divided by the runoff volume from the site in is proposed STAND OF GRASS IS OBTAINED. % 4011111, � ate,%IA yS condition.and shall be exempt from any Raw rate capacity and velocity requirements for Aar' p -�_ " z O a i MS-17.Where construction vehicle access routes intersect paved or public roads. natural or man-made channels as defined in any regulahons promulgated pursuant to 7.THE"HYDRO-SEEDING'METHOD OF SEED APPLICATION MAY BE USED,PRO- WT.'a'S'••"` send o a, -s� S provisions shall be made to minimize the transport of sediment by vehicular hacking §62.1-44.15.54 or 62.1-44.15:65 of the Act VIDE)THE SEED RATE PER SQUARE FOOT IS THE SAME AS HEREIN BEFORE `: --J `U Z e onto the paved surface.Where sediment is transported onto a paved or public road SPECIFIED.THE MULCH RATE SHALL BE SUCH AS TO PROVIDE PROPER SEED -�- UJ < 0 S 2 surface.the road surface shall be Scarred thoroughly at the end of each day.Sediment tn.For plans approved on and after July 1,2014,the flow rate capaaN and velocity PROTECTION AND PREVENT EROSION.IF.IN THE OPINION OF THE INSPECTOR I wane shall be removed from the roads by shoveling or sweeping and transported to a requrremens of§62.1-44.15:52 A of the Act and this subsection shall be satisfied by OR ENGINEER.THE MULCH RATE USED(AS EVIDENCED BY SLOPES AFTER •,rs-^Tr_a it y in B sediment control disposal area.Street washing shall be allowed only after sediment us comdsnce math water quantty requirements in the Stormwater Management Act SPRAYING)IS NOT SUFFICIENT,THE CONTRACTOR SHALL BE REQUIRED TO IN- -�- two Ems a~/ Ce a removed in this manner.This provision shah apply to Individual development lots as well (§62.1-44.15.24 et seq.of the Code of Virgnra)and attendant regulations.unless such CREASE THE AMOUNT OF MULCH IN THE MIX NO EXTRA MILL BE ALLOWED FOR - I- eve �9 Ce C I- 3 as to larger land-disturbing activube•. land-dishrtdng activates(i)are in accordance with provisions for time limits on ANY REQUESTED INCREASE. ss not I arc-lay ryt s r.P _ Q ,~UL„ a app6cabilry of approved design attend in 9VAC25-870-47 or grandrathemg in rot nF ra r - p rii MS-18.Al temporary erosion and sediment control measures shall be removed within SVAC25-870-48 of the Wrgna Stormwater Management Program(VSMP)Regulation, „m„.,suer,� NM U S 30 days after final site stabilization or alter the temporary measures are no longer in which we the Row rate capacity and velocity requirements of§82.1-44.15 52 A of urvea oo.nee <_ S 5 needed,unless otherwise authorized by the VESCP authority.Trapped sediment and the Act shall apply,or(ii)are exempt pursuant to§62.1-44.15 34 C 7 of the Act. ADDITIONAL NOTES. s52( - Z W Z ,,'; 5 the disturbed soil areas resulting from the gapes/bon of temporary measures shall be • ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WALL = Q H O ,,,•,, >! permanently stabilized to prevent further erosion and sedimentation. n.Compliance oath the water quantity minimum standards set out In 9VAC25-870-66 of BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND Mt= 1 e N M-r •8 the Virginia Stormwater Management Program(VSMP)Regulation shall be deemed to SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK ANDg. G L0 (f) g c - satisfy the requirements of this subdIvislon 19. VIRGINIA REGULATION 9 VAC 25-840-40. e a eO e'4� � so O `/ f 0 iv • THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY g• w�w e PIA eo, .i AND AFTER EACH RUNOFF PRODUCING RAINFALL EVENT.ANY NECESSARY REPAIRS OR +sea•"'c°weO""re a'^'°`eO - � ce-@yr i O iu ,q'N CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL m!?, .e.seas antes en coons..+ooa„aso..,ra noon em w, n LLJ 0 QBE MADE IMMEDIATELY. s Sestina e 5�t oya, rm.is,o..,...,se a e W03 g • ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT wanes ,ee,a ono, ,,,�e d,rs a,rc as 14. , 5 ALL TIMES DURING LAND DISTURBINGACTMTIES AND DURING SITE DEVELOPMENT ROLLED EROSION CONTROL PRODUCT p 'War • UNTIL FINAL STABILIZATION IS ACHIEVED. SOIL STABILIZATION MAT e• § ALL SLOPES STEEPER THAN 3.1 SHALL HAVE VESCH STD.3.36 SOIL STABILIZATION 6 IPE.•Nu tari,aar,Y• 1,AITK1Nl "°r"I's„s Zi! II BLANKETING(VDOT STD.EC-2)INSTALLED FOR THE LENGHT OF THE SLOPE. 11 • THE CONTRACTOR IS RESPONSIBLE FOR THE INSTALLATION OF ANY ADDITIONAL tors no.s amoOE STANDARDS i8`$ EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND $1 f SEDIMENTATION AS DETERMINED BY THE ENVIRONMENTAL ENGINEERING DEPARTMENT. - 2! NO E5S CONTROLS SHALL BE REMOVED WITHOUT APPROVAL OF THE COUNTY € 6 ENVIRONMENTAL INSPECTOR. It • ANY EXCESS SOILS TO BE REMOVED FROM THE SITE MUST BE TAKEN TO AN APPROVED d PERMITTED WASTE SITE. • ALL OFFSITE DRAINAGE EASEMENTS MUST BE RECORDED PRIOR TO ISSUANCE OF A i 3 LAND DISTURBANCE PERMIT FOR THIS PROJECT. toe NO. 1 e • ALL ONSITE DRAINAGE EASEMENTS INCLUDING STORMWATERSMP DRAINAGE il EASEMENTS MUST BE RECORED PRIOR TO THE ISSUANCE OF A BUILDING PERMIT FOR 42297 1 3�v THIS PROJECT. f E SHEET NO. 4e g C3.4 E Section 5. Stormwater Management Plan (Provide a reduced I1 x l 7 copy of the latest stormwater management plan. Do not reference only.) Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP)Albemarle County I f I ppE E; 40'WIDE ARMORED 3 W i n g I EMERGENCY SPILLWAY sog' L —s I „ ❑ - i y - '.._ L 1\, ry °1-i L _• _ f - - U in 11 \ �.,��1 t,,� y i y w-`,5 / .-._. - 30 `4 525/ \_ 5 5,-,y,550yw ems.Th >j \ Yrw 1 WWr j CONTROL STRUCTURE AND ?sue Q Q D, sao -`,`, a W .,W DRAINAGE AREA TO ,w "'y.y y ^ w 24 RCP DISCHARGE PIPE �O \�z �1�-.; i�' L' 10 _ w ., ;,a ,w WET POND=13.15 AC d dw� y 8 _ Fo xesv \� xi QRESTA2p@t\d .\ w wy Ww '�-_ w w� Y- w 'Wv. .�� —�T SPAC\EA 52a 'l 0= w O b4'� �o_¢PACEEABEMEN7 \ l .,>�_ a _ - \ `V I - �� \ ,�' u \ \ r.�rt?-•'� �550 W• I �,w �`t.o-�`�. w_ w - _ I ,,f.:- — `� ` \ _ \ �Z ,-s�' C u� w \\ Y L /` - - �5 ---"-----5-_, _ 7 - _ mow "�"' � \ ��.1 / ,/ �. .�_- > q.: `- sai �® \ 1 • 'V >-.. _ �,: -1. n9ES6/MA ANCE 64.535 DATE / Ho , , la 4� p! hi ®' ;�?� M • �N 0 8/9/2019 - 4 - _ '_ ►R -_ _ ,n- " v --`_WET POND _ i. - DRAWN BY ! \ `I� y ,I '9 \ '- __ _ �® aq�' �f /.:� ;�� HYDRODYNAMIC SEPARATOR kq �',\ 1 ! _. �; i , — — — — 1 �7 . -_14i ss. 5a b� ' S..• (CONTECH CASCADE SEPARATOR) C.MORGAN \ i ,r`, ,o /�` - - -- _ � - '_ - 5i1 \ .,i ip �� • DESIGNED BY \ \ y �'T , �'r-, - _,"IS- _ - l' , • C.MORGAN _ j E i— - add -_ __ �/ y'o,. \ \ '\ 1�\ I \ 1 �,0 I - _ VieWitr - - �� • `•, '� • CHECKED BY firft., A { 1 . �a' l � s, 4/ • ARARAT I r • \ �._ _- _,-0.__,- - ._ ,_ _ , I 1 .--,, \\SEP N I �'' - g5 , I ti I '11, ' ,''t-Z; H ' 4 -- - tiii71. 4114,4 I', ‘, \ ' ' '44.\ ', , <: ' ' I ii '1 ' ••I', II ' • /TB , 544- / 2 Atik 4. PP* 444 1 -a' �/� SI -�� r ,, -�al � P 7 I* * 1' I 10'SWM FACILITY• L g _- ,y6�� —dam'il 0 ge ak,,,,,....,-----ii " JIIk/r4P4ij 'I � � ACCEMAINTENANCE D,/ �j i id `� to),, EASEMENT I I _.._ ,iffi , -' 0 z`uz SAC \ ,I/ f' i _ - __ ��R \� �� r'I �� 9 re CegZI 8 l STORMWATER MANAGEMENT NARRATIVE ='s r, - �_ _ �.y z � �, — — ♦ �B �� r U THE PROJECT INTENDS TO MEET THE MANAGEMENT REGULATIONS BY IMPLEMENTATBLE ION OF A WETTPOND / ....... / 1'•�5,,,- ��` _ ' ` a ,t , I j' (1117 Q g HYDRODYNAMIC SEPARATOR,AND PURCHASE OF OFFSITE NUTRIENT CREDITS. 4 __565 (�''j� STORMWATER QUANTITY REQUIREMENTS ARE MET FOR THE d POINTS OF /j ' ' ,-' a. w�� Ab. / ' �,a, % '/ )\' l L1J < (n - ANALYSIS DEPICTED ON THESE PLANS(REFER TO C7.1L7 2)THIS IS Li 5ed,5 O`_ :// 5$�s�` " Y, 10'SWM FACILITY t b ' J 2 a PRIMARILY ACCOMPLISHED VIA STORMWATER DETENTION IN THE PROPOSED ,` `, / - - � 6. ACCESSRdAINTENANCE ( 1 J ; WET POND FOR ANALYSIS POINT A.AND REDUCTION OF DRAINAGE AREAS TO - 616 y5`' ( / \`�4 4 EASEMENT • `� in L'.•L/ �J( $ THE OTHER 3 POINTS OF ANALYSIS.REFER TO C7.2 A6 WELL AS DETAILED t' �/ / / _ — '\` �� prP.ij�a l I. _ -- ' �' y`, Q Y Imo- \ I / -'!. LU n CALCULATIONS UNDER SEPARATE COVER FOR FULL QUANTITY ANALYSIS. -.1� - 5` ��, _ ,. � 5 y. \ - 5' /// o e u R STORMWATER QUALITY IS PRIMARILY ACHIEVED THROUGH USE OF THE ,0 `�� sss"- ® ` �'�' d1 $30` i / Or �, - J g a PROPOSED HYDRODYNAMIC SEPARATOR AND DOWNSTREAM WET POND ' 5 / S� �� -! �� • s h 'S1d .../ Q a THESE PRACTICES REMOVE OVER 75%OF THE REQUIRED PHOSPHORUS LOAD �- 1-=_`�_�Y A_ �; a S/. t_ArigriF 520 I t Z ce „7 5 REDUCTION ALLOWING THE REMAINING REMOVAL REQUIREMENT TO BE ►- -- ' __ - 1• �- ` �1 59-' Q w E% I ACHIEVED VIA PURCHASE OF OFFSITE NUTRIENT CREDITS.REFER TO C7.3 AND • ` / e> g �\ � �' 5��,•'_ I p C7.4 FOR A COPY OF THE VRRM SPREADSHEET DETAILING THE STORMWATER ,may / yj '--� ,� �,Irl' G C7 3 QUALITY ANALYSIS. / / / / I J{5- o - t\ �� I L��" 0Y�// o 11 2 i_ / X a j / ; ;j n� / Joe NO. SCALE 1"60' / 42297il a E/ y 0 60' 720' / SHEET NO. Ig C7.0 4E - 1 t / �. / _ _ _ �� / / � ' t / III i � . , 1 i j 4' 1 V' ) �� \, ---.. ,' -' /' % '' ( • - 1\ 11 d ay •'l• l 1 irg z i \, I 2 t! 1181 ' , ' \ ' \' 'F- ---- - .., 2 \�\\ T. ao z �� I �A r m tf Al1,51 �; , � - w,%••--- ,� ?� , . .r....... ,r ‘, , ,„ ., , . . r V . m ��' :VOL ' 5 .0",!! /y :1: .. _ I \ IIt x 11 CNC _. •' /^`L / V ' 1 I 1 1 DATE -OFFSITE DATO _ ---� V� VA\ . A •-z--,_ DnnwNBY 1 „!A __ ANALYSIS POINT A I MEM- ' '- s �` ti =- • �P - -... ;/r/.. '\ �.✓ \� C.MORGAN �/� �_: �/ 22.35 AC �! -' ti vv /-2 ; .-t. : -��- \ 1��1\\,\V` DESIGNED By • H �'•• � • c.MORGAN CHECKED BY ANALYSIS POINTA M.BOWSER +.�: :- :r � :; :- =' :i.� 1;r•y `! `'` ._- IMPERVIOUS • SCALE TOTAL DA=34.30 AC COVER • T' • WOODED •!.: :' `: `-• COVER OM SITE DA TO -�•' •,' ANALYSIS POINT A-'••-';••-'•-:;-•.'•�:-'.'.'.,. ^:; 'C4Y - ANALYSIS POINT A ANALYSIS POINT C P �' 11.96AC �\ eE \. _ -t.;.-.. . COVER-117- WOODED 5 AC WOODED COVER-1 SITE .85 AC ,^ II) V/ _ O Y •• y. SITE TURF COVER-0.00 AC TURF COVER -0.00 AC ZY �- r'•'•'' - SITE IMPERVIOUS COVER-0.20 AC IMPERVIOUS COVER-0.00 AC Z •. '�-'-.'•� Q O i OFFSITEOODED COVER-6.30AC Tc-0.25 HR-- � OFFSITE TURF COVER-9.00 ACOW ZS OFFSITE IMPERVI USCOVER-5OS AC TOTAL O1=0.27CFS cc ZF TOTAL RV-1,826 CF SITE Tc-0.33 HR,OFFSITE Tc-0.50 HR TOTAL 010=2.61 CFS r x _ 2: - U a cfs v OFF TE 1 .0/ ANAL SIS POINT D/ SI O - .04 CFS 8 SITE 1 0 O U - • - u = CF WOODED -14'•�• SITE RV COVER .5 AC 1,451Q � H-,OFFSITE DA TO '; ` TURF IMPERVIOUS COVE -C a J Ur - _ •;•\'-:•. TOTAL 01-4.04 CFS IMPERVIOUS COVER-0.05 AC � . - ...'.• =33.76 CFS C O F s �'; f ANALYSIS POINT B TOTAL Q J 7c-0.25 HR w m O ; i :; ; �. 1•.4.36 AC Q�/ ANALYSIS POINT B TOTAL 01=0.31 CFS Q a SITE DA TO - -- �Q SITE WOODED COVER-2.86 AC TOTAL RV=1,637 CF \/ p - -_ SITE TURF COVER 042 AC TOTAL 010=2.53 CFS ,., H- ' ANALYSIS POINT C ` SITE DA TO i :may- ) y y0 SITE IMPERVIOUS COVER-0.12AC in tn. - 2 42 8 _ -_ / 1.65 AC • • • ti ANALYSIS POINT D. .•'��,-- --' L J a 0 a OFFSITE WOODED COVER-3.39 AC ` 1.50 AC - y+- a - OFFSITE IMPERVIOUS COVER 0.25 ACce OFFSITE TURF COVER-0.72 AC 0 d li SITE DA TO , '.` ANALYSIS POINT B ~ yF } r SITE Tc-033 HR,OFFSITE Tc-0.25 HR w 0 ''3 • 3.40 AC !' C Z Q 'I g E i \ - -- `� • - / TOTAL 010-11.65 CFS w a i ;p: / 0 Y E w of G /___ _ 1 �%:�► �►; ANALYSIS POINT BE m a g I. g \ _ 5 1 . '�`�:-��z. •- , -'•:: '' r� TOTAL DA= 7.76 AC ' se ANALYSIS POINT C ANALYSIS POINT D �= ' g' TOTAL DA= 1.65 AC . ' EI TOTAL DA= 1.50 AC ---- - - i ---/ 3ac, a �► r, , Q '1 ` ` , ' ,I,', _ \y N .-_ .__ _.._ 42297 11 p �` r - NOTE:SEE CALCULATIONS UNDER SEPARATE COVER FOR =e DETAILED ANALYSIS. SHEET NO, �s 9 C7.1 E - �- v ' _ ' -, 'J_ �.s a�- r: _ - ;/' • `, ` '- \ jlll ' HE (S/ ..' 41011"N '' .., ''' ,' -'''''''\\\( ':‘'\\\,\',,,\‘, '\, '1,,.‘:\:\,:,\',,‘.0\\\‘',\,\ \ l '� WWm' _ �� PH Uk Tv- NI • ' - --, `6'4( -MI t i I - , t - - \\ " - ' ., , , \ ,„, ,) , 1,,, I 1,/ 1 i 1 1 u ji I , ., ,, , t, Ut Dt 6 --di!' •-?:-i - IIIIIII.:...-:,-1' . • / \ `�_. i , / '11`t1�\; I� l C N N N O N ..f \, , I I� U m o o 11111L 8 % /-~� Mill OFFSITE A TO �\ COVER IMPERVIOUS onAwN ev ll '• o { ANALYSIS POINT A I �\ • : i � 9 C.MORGAN MEM 1 AC _a �/ 21.35 - -_ \"•. a... DESIGNED BY I ._ v •I.- • E ll� •MIMI* C.MORGAN L _ J i yr \.� r•• `�� - -. _ - _- .C� - • • • WOODED • CHECKED BY LL ✓ /POINT A %�_ , COVER . M.BOWSER SITE DA TO SITE DA TO • ANALYSIS ANALYSIS POINT A ANALYSIS POINT A T = •• • SCALE �' 17.75 AC (BYPASS POND) TOTAL DA39.10 AC • NTS ✓�� L ` 4.BO AC - �•r�'=. , ANALYSIS POINTA ANALYSIS POINTC • •` `\ �i -? WOODSTURF COVER ER TO PONO-4.MA80 AC WOODED TURF CRVOR-000 AC \\V/// 40 AC 0.00 AC I -,•'':n \ MPERVNOUS COVER TO POND- AC IMPERVIOUS COVER- / ^\- \••• ',•• -• •, _ BYPASS WOODED COVER-2.85 AC Tc-0.08 HR '• � - "" BYPASS TURF COVER AC '-,.`� •. "�� ' _ BYPASS IMPERVIOUS COVER-0.05 AC TOTAL 01•0.1]CFS -4 •. , - - TOTAL RV.529 CF A OFFSITE:::::DCOVER-].450. TOTAL010.0.97CF3 IIIIIreir OFFSITE TURF COVER-8.00 AC •/•;- ` -. - OFFSITE IMPERVIOUS COVER-4.80 AC ANALYSIS POINT D //�� 4GttSS//".�� •� l -� SITE Tc-O.18 HR.OFFSITE Tc-O.W HR WOODED COVER-O.tO AG V I Y I z :• �.. -- TURF COVEfl-0.00 AC 3 OFFSITE 01.3.88 CFS IMPERVIOUS COVER-0.00 AC O I Sfil4� `^ - _ SITE 01•024 CF3 7 < 1"I g �� - _ -SRE 0.V•10.301 CF Tc-O.OB HR L� 1-1-1 R DA TO WET PONDiiii :':..�:• :.• '>,. TOTAL Oi•4.05 CFS TOTAL 01=0.07 CF3 0 C a 13.15 AC 111 -- rorALmo•33.rows TOTAL 0 0.20CFS G Z F 1 v • .\ a `- + •/ ANALYSIS POINT B 2 0 . . j , SRE r SITE TWOODCOVERED V 0.88 A00 AC - , �i • OFFSITE DA TO ;'. /// I SITE MPERNOUS COVER 0.50 AC LI jn I - �:'• OFFSITE WOODED COVER-3 38 AC " • I �� ANALYSIS POINT B :,: : OFFSITE MPENVOUSCOVER OFFSITE TURF COVER•0.72 C0.25AC t2 Q O / w A �' , • 4.36 AC Q� / ,SRE Tc-0.75 HR.OFFSITE Tc-0.25 HR Q e 3 */ ~,,�¢� TOTAL 010 11.01 CFS i 8 lu '- • i/;_ �.: STORMWATER QUANTITY ANALYSIS p �W A �• X , CHANNEL PROTECTION-POINT B1.01 CFS Ce Q 0 �° N _ -� PRE 01u 11.65 CFS POST O i I a '- . , •.(..- , Q . POST 01o<PRE 010Z H W gg $ -�• �` :7 - -' ENERGY BALANCE-POINT A 1 j W %ii 8 X ---,. .._ , POST 0,5 DFWE / .., 4.05<4.05 0' 405<0.8'O.dIPR4511/10,301 s40P4oe* p ♦0 L.L 2 ,Y .,\�, ' � • ANALYSIS POINT B ENERGY BALANCE W e; q _s x ► �� i / A POST 0,508•PRE 01•RI/me/RVPwr a �s �- "; sITE DATo ` TOTAL DA=5.74 AC 00.17.17 5 0 86 0 27.1628/529 a ANALYSIS POIN / T B J A g g - 1.38\AC _- - ENERGY BALANCE-POINT D �"@ ANALYSIS POINT C ` �� I ` \ _ POST 08U 0.81 PR671•RVPRE/RV r f TOTAL DA=0.40 AC ANALYSIS POINT D sa / YpEB \ 0.00<O.B 0.31 1637/88 E '3 € Z TOTAL DA= 0.10 AC c rPFA Mil ii 6N CALCULATIONSN Bg ` NOTE DETAILED ANALVS S UNDER SEPARATE COVER FOR ,p 42297 ?1 p -� �` - SEE VRRM RUNOFF REDUCTION SPREADSHEET ON £8 C7.3-C7.4 FOR oUAL1TV ANALYSIS. y C7.2 iE Pond Treatment Volume Summary a ti Water Quality Peak Flow Computations . ••tee•. DEQ Virginia Runoff Reduction Method Re-Development Compliance Spreadsheet-Version3.0 Proposed Wet Pond TIMMONS GROUP Hydrodynamic Separator TIMMONS GROUP o 2011 liMP Standards and Specifications 02023 Ores Sap Standards andsp.dnu6ms ----- ___... • Project Name:Berkmar Drive ApartmentsCLEAR ALL data input cell, Protect Name', 9efltmp/18/2020 Apartments constant values Project Name:Berkmar Drive Apartments Date, 3/Ia/ Timmons Group Project No.42297 Timmons Group Project No.42297 ----------------'--' Date:02/07/2020 Date:01/20/2020 linear Development Project? No calculation calls Calculated By:Cameron Morgan Calculated By:Cameron Morgan Site Information final re,ult, Stormwater Treatment Parameters v,E Drainage Area Conditions Post-Development Project(Treatment Volume and Loads) 18 Data Input Notes and Descriptions Water Quality Rainfall Depth,P 1.00 in Enter Total Disturbed Area(acres) 41 18.44 ' Check: c E Water Quality Rainfall Depth,P 1.00 Inches Precipitation depth for water quality storm Total Area,A 7.25 acres BMP Design Specifications List:20115tds&Specs i. 1.. On-site Drainage Area,A9% 537,970 SF On-site area draining to pond,counted towards treatment credit Impervious Area 5.00 acres Maximum reduction required: 20% Linear project? No E; (ter treatment credit) 12.35 AC Percent Imperaous 69.0% The site's net increase in impervious cover(acres)is: 8.25 Land cover areas entered correctly? se c.0. On-site Impervious Area 346,300 SF On-site poetdeselopment impervious area remised by pond Treatment Volume(per VRRM),Tv 21,215d Post-Development TP Load Reduction for Site(lb/yr): 14.33 Total disturbed area entered? Y Q (for treatment credit) 7.95 AC Cure Number(CN) 98 5 n Time of Concentration.Tc 10 min ° Percent impervious 84.4% ore-ReOevelopment land Cover(acres) i g.g§ a Weighted Runoff Coefficient,Rv 0.58 See dedraon below Unit Conversions AsolM e5oib cseas Dsoaa ]orals 3 „ w Time d Concentration,To 11 minutes Area,Am(mil) 0.0113 me pa,mted foes open spar undisturbed, o.i0 u44 In f protected forest(ocenspae or reforested 593 1197 I]'90 V u i F-F. 0.18 hosts To(hours) 0.17 hours eo rnxcwed Tud lease In is roed,gredea 0.19 r� °lu T� for yards or other tor•to be 0.04 eels _ Z Derived Valises Hydrologic Equations impervious(:seer t5eOl 0.11 0.24 035 r$m ,,0 6 k Weighted Runoff Coefficient(Rv)Derivation 13_44 p Forsd6Open Space Managed Turf Impervious Cover Weighted Runoff Volume,0n 0.81 In 1000 s I 8 >j; MSG SF Acres Rv HOG SF Acres Rv HOG SF Acres Rv Rv Potential Maximum Retention.S 0.25 in S= CN -10 Qa=A pat-Development Land Cover(aces) U u 19 Initial Abstraction,I. 0.05 In ASa a esgns csoiI5 ObiN rows A 0.02 A 18.730 0.43 0.15 A 39,200 0.90 0.95 _.� la/P 0.05 Am aoreaVq.n ssa•1 1-pne rod, i B 0.03 B 172.940 3.97 0.20 B 307,100 7.05 0.95 Q,ti$ tea=02S Qwq=qu Qa 2.61 Ilyy ° NO Use 0/0 protected forest/openp rreforest. 2.36 0.25 723 ° Ll C 0.04 C 0.22 C 0.95 Nbtanea csi(acres) d- ,coed graded r� D 0.05 D 0.25 D 0.95 Unit Peak Discharge,qu for yards or other r be 1.49 574 K ImpetMea Corer faaezl 8.60 (ref Exhibit 4-11 of the TR55 Manual.see next page) 2.23 6.37 TreatinentVolum•Calculation An Ow* OK. off. Se. Oat. 1044 ° moo qu- 850 =Win •Faren/apente,s.aims must bepwcared inacrvrdatce with the Virginia Runoff Reduction Method 1 ice Non Q`O 0 N Data Input Notes and Descriptions < ° o Treatment Volume,Tv,Required 30,532 CF T Rp p C setants Ruoff Coefficients(Rvl 1/ A mum Rainfall finches) 43 A soda a.03 C Soils 0 Soila o (i e.Wet Storage) 0.70 AC-FT A7"• `12 is/rt) Water Quality Storm Peak Flow,f]ga. get Rained!Event(Inches) l.po FarezVopen sore o.oz 0.03 0.04 0.05iii DATE Total PhosphoruslnrlrsC ung/L) _0.26 r1a,aged Turf 0.15 0.20 0.22 0.25 Treatment Volume,Tv Prosidetl 46,500 CF - - -- --- g 8/9/2019 (i.e.Wet Storage) Q wo- 7.76 cfs rod Nrtmge(lei fMC img/LI 1.86 pervous Cover 0.95 0.95 0.95 0.95 5 1.07 AC-FT _ Target tP Load(lb/acre/yr) 0.41 DRAWN BY PI(ce ni fir,mnrn.nn factor) 0.90 C.MORGAN LAND COVER SUMMARY-PRE-REDEVELOPMENT LAND COVER SUMMARY-POST DEVELOPMENT 0E510565 BY e Water Quality Peak Flow Computations .•'a••• •• lend Cover Summary-ere area[aver mme,y-0aLand lo er mmaryPaat ift• C.MORGAN Hydrodynamic Separator TIMMONS GROUP Pre-Rellevelopmem Died Adjusted' ' m „De,past-ReDevelopme Pr De 0a e `).',mr n ary:u` • CHECKED BY Forest/Open spa brest/Open spare Forest/Open Spada Cover(acres) 17.90 9.65 2.63 2.61 Carer(acres) Cover Isms} ton M.BOWSER Project Name:Berkman Drive Apartments WeighedR are.) 0.03 0.03 � We.gntee lerf forest 0.02 : • Timmons Group Project No.42297 *Forest 97% 95% ..132==== %Forest 26% SCALE Date.01/20/2020 manned red Cover(wen 0.19 0.19 ManapdnutCover� "°riaa0805n f Cover7.z3 NTS Calculated By:Cameron Morgan _ - ---- - _ 0 Weighted Rsiurn 0.19 0.19 Weighted es(turn • ' Welt/bred Re Due) 0.19 • %Menaced tort 1% 2% =2.11 %Managed tort 71% • Impervious Coverlaaesl 0.35 0.35 Impervious layer 8.fi0 ne0.v.lmperviuus 0.35 New iTvxresopus Cover 925 ores) exe0R4-11 Lira a ldaremp our ao SaC9(9C3)Np.RLaWa&ldl.naOO,, imiiti "viimperviousl 095 0.95 112===1:111111 Rai Impergousl 095 evtiropervioust 09S asp %Impervious 2% 3% �� pn%I '.1z 3% la. Total Re0.v.Site Area 5 ... ` T.19e•Amafaeal 1a.44 10.19 Final Site Arta(acres) 1aM laves) 10.19 SrbM 905 0A6 Final Post 0.v Site Rv 052 Rafter Site Rv OW r/'� POP , Treatment Volume and Nutrient Load Treatment Volume and Nutrient Load 7H i e00 •• a from Pon- von-ReOevelopmem PPst.Develapment a� Z e g l.a,ar Pre•Reaevelopment Treatment Volume Oevelopmem Treatment ticket* 0.6531 Z o ifi 0.0]05 00517 0.]997 'ream acre-10 volume 0.14fdLLI a04� lane-RI -ire lao.ftl ount me )acre hl lave h) O 6 n S( -i , i { WO "�- Part-ReOevelopaien[ ...Development H a 2 v,e Reoevebpmem Treatment otment Veta L.L 3,0T2 2,250 34,834 Treatment Volume 6,384 Treatment volume 28A50 Cle Z (n (cubic feet) Treatment Volume table nett (atblrreed OO z 8 Q U Q Firm Pest- a W 'PmiReOevelopment J Pee-RaeayelpplMrrt Tea Lead R Dwebpmena TP , Port-p<velapment TP a I- v in ftelR) 1.93 lAl bar 21.89 Toad 17PI 4A1 Loan 116Nn 17Je (117 < 4 `e S Im/rrl nchq• w J 5 #g W m a .0 «ease _ Poste enl.ottettT taw a..ri. spa•ea,r ix.Nwm.n F 'Pen ♦apm•wm Q ---. : neNawrl ,:ap as. -='...e P..�,, cos la.e era ass p IUe•/rl ear.•./M e 1 z r a , __- a _._..- ap t J 8% 6 2 to Baseline 11'Lead(Wei a,belm as*el 3p ffi ,,,,.aran..mrau . mA e./.../v.apPuaem Pr...ew.la aar�wri a 4.1a (rlw an- Q .�, a 1K an, w.I Pew new was br raw Innann.r ravel ue aaaalamase Leal L - z J I^ 1 iA n Ce L l u 5 -Mauled Lone Cover Summery' TP bad Reducti° TP Laad Reduction W �p Pre ReUevebpment bed cover moos pervious land covet(forest/oven space or Required for Repaired for Mew F �g onager turf)acreage proposed for new theme.,cover. , Redeveloped urns 'D.17 Impervious Area 11.49 %$ (lb/vr) Ile/vet 0 1 ¢ rc e Agnew,Ethel acreage's canvsren[wxh now-Reoevebpmear wean.frith. •RNucaan blow new level °a acreage of new imr•vs+ouz rove/ It development (] . mitvewr mf m9teree K i^ tti cowry, road reewton renurrmemfarot,esnper0auscover(based on UJ g new development bad One,OCT ayoe9/year;. '$ ii 2 Post-Development Requirement for Site Area i tP lP Load Reduction Required(Ib/yr) 14.13 -0 9 Eg €e 5 ($ Nhragen Loads(Informational Purposes Only) 1 S a Pre-ReDevebpinent TM teed Final Poo-DevelepnwntlN A load - :E l (16/w) 13.91 IPastoper...oyme/el New 356.57 LOB NO. 11. cope r gal nu l 1.11.11 42297 11 p SHEET NO. ip g C7.3 gE Drainage Area A Drainage Area A Land Cover(acres) A Soils B Soils _ C Soils D Soils Totals Land Cover Rv ' Forest/open Space(acres) 2.36 0.25 2.61 ' 0.02 Riveana River Nutrient Bank Certificate No.James-039 Managed Turf(acres) 1.49 5.74 7.23 0.19 March 18.2020 Insperstoas Cover(acres) 2.23 637 a 8.60 0.95 Total Phosphorus Available for Removal in D.A.A(Ib/yr) 21.76 Ber tartar Apartments,LLC Au:Brian Revere Total 18.44 Post Development Treatment Volume in D.A.A(rt3) 34.636 560 Lynnhaven Parkway Virginia Beach.Va.23452 8 757-486-1000 Stormwater Best Management Practices(RR=Runoff Reduction) -Select from dropdown lists- , • brianr@thebreedencompany.com Phosphorus 1 Untreated *E Runoff Managed Impervious Volume from Runoff Remaining Total BMP Phosphorus Phosphorus Remaining aE Load from Phosphorus Downstream Practice to be `.; Practice Reduction Turf Credit Cover Credit Upstream Reduction Runoff Treatment Removal Removed By phosphorus Credit(%) Area(acres) Area(acres) practice fta a a 3 Upstream Load to Practice Employed M rc ( ) (R) Volume(R) Volume(R) Efflciengr(9L) Practice(lb) Load(lb) Project Name: Berkmar Drive Apartments WP0201900052 _ Practices(Ib) (Ib) re.- Location: Albemarle County a o 8-1 0 Tax Map/Parcel ID:003200-00-00-05400 13,Wet Ponds(no RR) 5 g'5 Owner Betkmar Apartments,LLC 13.a.Wet Pond e1(Spec 414) 0 2.30 2.25 21,137 0 30,480 30,480 50 10.61 5.86 8.24 8.24 g3 m w Alt:Brian Revere _ - - S 8 o LL o 4ir 4 560 Lynnhaven Parkway = a 0 2 2 Virginia Beach,Va.23452 13.b.Wet Pond#1(Coastal Wain)(Spec e14) 0 0 - 0 0 0 45 + 0.00 0.00 0.00 0.00 r Y e gFF r= 13.c.Wet Pond a2(Spec P14) 0 0 0 0 0 75 0.00 0.00 0.00 0.00 g m rc u U Credit Amount Desired:3.43 lbs. ��k Project HUC:02080204 - ' t. ll Application:VSMP/WP0201900052 13.d.Wet Pond K2(Coastal Plain)(Spec K14) 0 0 0 0 0 65 0.00 0.00 0.00 0.00 o 0 u L.)Dear Brian, vi 14.Manufactured Treatment Devices(no RR) rr R This letter is to confirm the availability of authorized Nutrient Credits sufficient to meet your O 0 CI ik CI ta projects requirements of 3.43 Nutrient Credits at our above referenced nutrient offset credit bank la.a.Manufactured Treatment Device 0 1.90 5-75 0 0 21.137 21,137 20 0.00 13.27 2.65 10.61 13.a.Wet Pond al facility(the"Bank"),which is registered with the Virginia Department of Environmental Quality Hydrodynamic _ - V ¢ (DEQ.These Nutrient Credits are generated and managed under the Icons of the Reduction 14.b.Manufactured Treatment Device-Filtering 0 0 0 0 0 40 0.00 0.00 0.00 0.00 • € Implementation Plan for the Bank dated November 2017,which was authorized by the Virginia - • moo Department of Environmental Quality(DEQ)on September 5,2018. I at t n 14.c.Manufactured Treatment Device-Genenc 0 0 0 0 0 20 0.00 0.0D 0.0D 0.00 ory The Bank has been authorized to provide Nutrient Credits for use in the James River watershed. a A 0 These credits are transferable to those entities regulated under DEQ's Storm Water Management program in accordance with VA Code 62.1-44.15:27. '^ DATE If we can provide further assistance please feel free to contact our office. 8/9/2019 TOTAL IMPERVIOUS COVER TREATED(ac) 8.00 AREA CHECK:OK. s- Glows BY Hotel Street Capital,LLC,Bank Sponsor TOTAL MANAGED TURF AREA TREATED(ac) 4.20 ( AREA CHECK:OK. C.MORGAN By Its Manager Thomas James Ross/J TOTAL PHOSPHORUS REMOVAL REQUIRED ON SITE(Ib/yr)I 14,33 I 540-687-0171 •• DESIGNED BY C.MORGAN Rivnrta River Nutrient Offset Trading Bank,3[Garrett Street,Warrenton.Virginia 20I8 TOTAL PHOSPHORUS AVAILABLE FOR REMOVAL IN D.A.A(Ib/yr) 21.76 • CHECKED BY TOTAL PHOSPHORUS REMOVED WITHOUT RUNOFF REDUCTION PRACTICES IN D.A.A(Ib/yr) 10.89 • M.BOWSER TOTAL PHOSPHORUS REMOVED WITH RUNOFF REDUCTION PRACTICES IN D.A.A(Ib/yr) 0.00 0 • SGLE TOTAL PHOSPHORUS LOAD REDUCTION ACHIEVED IN D.A.A(lb/yr) 10.89 • NTS TOTAL PHOSPHORUS REMAINING AFTER APPLYING BMP LOAD REDUCTIONS IN D.A.A(Ib/yr) 10.87 • SEE WATER QUALITY COMPLIANCE TAB FOR SITE COMPLIANCE CALCULATIONS • NITROGEN REMOVED WITH RUNOFF REDUCTION PRACTICES IN D.A.A(1k/yr) 0.00 NITROGEN REMOVED WITHOUT RUNOFF REDUCTION PRACTICES IN D.A.A(Ib/ye) 41.05 -g TOTAL NITROGEN REMOVED IN D.A.A(Ib/yr) 41.05 2 D , , 8 Site Results(Water Quality Compliance) 0 W 3 E > P Area Checks D.A.A DA.B D.A.C D.A.D D.A.E AREA----CH ECK F-�/ u-- a` FOREST/OPEN SPACE(ac) 2.61 0.00 0.00 0.00 0.00 OK. 12eI..L Z Ln i IMPERVIOUS OD TREATED(ad) 8.00 OK. (.7 I..L Q 2 MANAGEDD TURF AREA lac) 7.23 OK. ^ 6 MANAGED TURF AREA TREATED(ac) 4.20 OK. f 3 AREA CHEOt OK. OK. i OK. OK. i OK, w S W m _ 3 Site Treatment Volume(fta) 34534 _ a ilii) Ce FeU 80 F, Runoff Reduction Volume and TP By Drainage Area 0 1- sN D.A A DAB D.A.C DAD D.A.E TOTAL 0 -a a 1 Z RUNOFF REDUCTION VOLUME ACHIEVED(fel 0 0 0 0 0 0 r./ Q rfi 3 S TP LOAD AVAILABLE FOR REMOVAL(Ib/yr) 21.76 0.00 0.00 0.00 0.03 21.76 Q ce €'o I TP LOAD REDUCTION ACHIEVED(Ib/yr) 10.89 0.00 0.00 0.00 0.00 10.89 N 3) TP LOAD REMAINING(Ib/yr) 10.87 0.00 0.00 0.00 0.00 10.87 Z Q 5 8 4 0 1 0., 4 NITROGEN LOAD REDUCTION ACHIEVED(Ib/yr)I 41.05 I 0.00 I 0.00 I 0.00 I 0.00 I 41.05 I �/ O LLB i s Total Phosphorus w F% g ANAL POST-DEVELOPMENT TP LOAD(Ib/yr) 21.89 x lc R„ TP LOAD REDUCTION REQUIRED(Ib/yr) 14.33 2 21 TP LOAD REDUCTION ACHIEVED(Ib/yr) 10.89 TP LOAD REMAINING(lb/yr): 11.00 41 4 REMAINING TP LOAD REDUCTION REQUIRED Ob/yr): 3.43 S E 1 f PROJECT INTENDS TO MEET REMAINDER OF g Total Nitrogen(For Information Purposes) REMOVAL REQUIREMENT VIA PURCHASE OF OFF-SITEt PHOSPHORUS NUTRIENT CREDITS. 1 I POST-DEVELOPMENT LOAD(Ib/yr) 156.57 PROJECT PROPOSES 3.43 LBS TO BE PURCHASED 3]gI .. NITROGEN LOAD REDUCTION ACHIEVED(Ib/yr) 41.05 a ! REMAINING POST-DEVELOPMENT NITROGEN LOAD(Ib/yr) 115.52 ma No. A F,) 42297 >:e qs�I SHEET NO. 4p 8 g C7,4 l E First Year Maintenance Op■dlene. ADAPTER FOR REMOVABLE TURN HANDLE. ,- -,,.�,A�,�J �� ti:,c•(^�-. �= - �`Y- - •1 `l' - -'-- 2Dte ROAD Si BRIDGE STANDARDS INSTALL UP TO THE TRASH, _—— T ____.=s-?.'� y!'y^ ` `.�' // / 1 ."je wyl^-mow '.., The Wet Pond shall bepetted atieeot twice aver storm events that �\ - - -- J 5'5 g� . .0 -w �- a NOTES: exceed 12 inch of rainfall for the first six months after construction. - _- _ `� ,(- - ' I w w 1 eaoSa� Via.. :a .T0..•Ieaw arca caw VMS 14.1 vaamnrt Spot reseeding shall be completed as necessary to ensure compete -�-�: -4r `k,' , w ,d-,�..,,`� - y � `: `-• ✓ ■■■■■■■■ + -4 eV frz >a.n coverage in the co mbubng drainage area and area of the VVet Pond. 11111111 y,t,1, w .y w w A- "■■■■■■■■ xotr 4, w. W yy..J<'Jwii �yi`�EMERGWY WENCVSPILLWAY-wIDE ARMORED! Ww WWWww�w. wad .� / /' �`'„ �--- ysfoTl w,'w ■■■■■■■■ I i r • .m: :�wa ''N�00`�■ '� During construction nspecbonsshoUldbeconductedregularlyto — y W, y , MANHOLE STEPS w w w- w NDOT CLASS I RIP RAP) _ `t 1_:: ' P-RA� ensure that the extended detention pond is properly constructed.An '� y !) w `t' • rz Cass L.w«m.e R. TOP: Ti,.........,.......,..,a w 548.204'RCP 54OUTFACE PIPE ■■■■■■■■ 'ms`x'«io sw'eitaAi."� GATE VALVE STEM (VDOTSTD ST-tt w w w �D` / w y --c - sls.. ■■■■■■■■ .w.W,mr a a,wc,ae..rat.,.a,aw s nsDe a is required during the lollovnng stages of construction. , w w h.D w ./H w _ _ ' rNNNN■N■N ws.sr'°"7.21744u a r.:ritsrn.`"ells„ .,✓ -- _ �rr•�ie .Ol/T 52800■■■■■■■■ ar •w -P e-cq t ce eting Ys syr „z.y, ww _ _ szo _w j INv.I• _ , hen.7,. l sal site preps tion(includ ng-fist II bon of ESS controls) jJ�"Ill: w �' �' ; LT� ;�� \PLAN wcW vn`*E'r— °rT:.`ot�'w`�`. G,w ewnwa ` Ex ation/Gracng(ntenm and fi al elevations) P-ri 0' w _, '�._ t M L �r, � m„s -Insfallaecn of the embankment.to r/pr mary spillway.and the . W y� -'1' a35 b r l�lV 4096� -525 - ,n E0�\� ! ""',.real s.■\� , �m9a,ha.,waTor rp ounet stmcn,re _ � wY"_'y w ' " �: "' �... �--■■■■■■■■ ■■■■■■■■-" Implementation of the pondecapig plot nd vegetative stabilization STEM GUIDES ANCHORED TO Iw : - -� 53p� . GW■■■■■■■■ ■■■■■■■■ -F al spectio (develop a punchkst for fatly acceptance) WALL OF RISER STRUCTURE �1 %• - W. . „h EIti"w a¢mr• SPACING TO BE DETERMINED - h �'• 1 BERMsi.\ g E ,.rap a ' I' aavNaT.°`v M t n e spectionc shall be conducted annually and the required BY MANUFACTURER _� ,1I W�*11- f I�y \ jOP SI7,BB.. 1 1 1.-• ,`_\ - I l r maintenance of the extended detention pond will be driven by the t J >>p 547T—�e� -s.I -' m I_ _ MA condition and performance of the pond at the time of the nspection. `W /} , • .._o GATE VALVE CONNECTED TO 17 L 1 '� I.��i<1 •fix uM ms•0000 ail DIP DRAW DOWN,MINIMUM 15 _I I - �.I g o 2 Ronal Cr s,ose•re l "' Ongoing Maintenance: - w O UNSEATED MEAD PRESSURE NC�'1 MP The constantly changing water levels n the pond wll make t difficult to J VATIC BE _�� rt! RATING I•TO REMAIN CLOSED J�V�/ �W AO I e _ _ u' 17- ,I mow or manage vegetative growth.The bottom of the pond may ) - / - 541 � _ os - J e UNDER NORMAL OPERATIONS - / \ •i U bet gpy,and water-loving fig trees such re willows may take over. ` ;z w pmeei` Periodic g of the stormwater butter's required along Me I ' 1 O'SWM FACILITY —� \-�� \ o'3 w• ie embankment. 90'ELBOW - - S O tic _ \ �CCE EAs I EN7C 5ssz0 U Y p 2 2 �r.amr,11. mow NEW ce,.nc'r"m':i, Ag a A shoreline Geenup-s required al least once a year to remove trash ` % �,l SEC VIEW me a•e hot tie.. we.Ka61 iiiLIMIT. and Iaatades that accumulate n the forebay and on the bottom of ` ) ■I - - -\ E ZiABION 1• \-C- - o FOREBAV v c U ,.:fee monaa or.-e P aA•e.y a. e-rn a nee pond Removal of excess sediment in the forebay's required every 5 --' RC••' _ Bx8'CONCREY, S a,P_ I U years or when the annual-napecban indicates that 50%of the Porebay /7 DIP DRAW D• /4�\ ' RISER S.TRUCTyRE$.. -TOP 00 -!i (1 OF N) .voreo's sae xm ran rare PP sin sass capacity has been fined.The excess sediment should be disposed o/ II� _.---_ - / WY TRASH RACK, \ �'��` \ „,_ j m nnrcarca wntwn•.,roOT a mTew x ..a.sad at an approved landfill location. JOINTS AROUND PIPE TO I�! - - _ - - OP:545.85 \ `/.0--!fir �' � P O O VI tots .° PProve - �/ U CAST IN PLACE STORMWATER MANAGEMENT WATER BE MATERID MATH AL - • 'ar r WATER TIGHT MATERWL - ] T'L- 1' o;U a �``ems wa0 wO"O6 Construction and Maintenance of the Wet Pond shall be per - et - a. Pt� 61�iI �^ y Zy DRAINAGE STRUCTURE a�„a, ,pa _ Section 9 of Specification No,14 of the Virginia Stormwater POND DRAIN GATE VALVE IN OUTLET STRUCTURE BUILDINZi 4 qg ;� �� ' I. W®eThohT Cr.s.su.r«n m-0 Design Specifications TYPE I FFE=555.22 ` I E'@,O Za1s ROAD6 BRIDGE STANDARDS NOTE:SEE DETAIL ON THIS SHEET FOR SPECIFIC NOT TO SCALEIII, - - . te ':� �� LD j L, RISER STRUCTURE DIMENSIONS AND ORIFICE �71iO TS - i I� , alf: , Ice 2 cc lcc u IUGI LOCATIONS/SIZES T - 3/4SPLYT -' ' \ �� IN 1 F I PER PLAN 12 GARACzES TOP ELEV. -lit°. __ -/ - ` `•-� - Ion q O F,lr'n i' 2018 ROAD 6 BRIDGE STANDARDS TYPE 304 _FFE s$BB;QG -P I STAINLESS STEEL - __ �. 5B ,- - Q O O TRASH RACK, WIRE MESH�� \ 2 SEE DETAIL THE SLEET . I • • g i FO SE OPE�AR OS_\ POND BOTTpA ' ®�� -� ` ) 1 11- ' LI' DATE ■■■■■■■■ ■MIMINMI■■■ } (SLOPE VARIES) ,-� _ 1r . TOP E LEv-56as \ �\ -am \,\ Ih N. 0 8/9/2019 ■■■■■■■■ ■■■■■■■■ ELEV-EM.TD PP RISER 1 NNNN■■N■ 2 ■■■■,■■■■ (1)EN3T RECTANGULAR ORME ONSIDE DMENSkIM ,,..:r.Y, ��,� ``�� ` \ 1 ) ��( • DRAWN BY MIEN■■■■■ EENENMIEN VW TRASH RACK GROUT IN GAB1ON WALL � ^ryi ' ■■■■■■■■ ADJACENT TO iOREBAv �� 110" y5 A ;g .4 J •� C.MORGAN MUM MEMO $POND�TTOM '�` '� - S60 ' �1 of ■■■■■■NMI ■■■■■■■■ ELEV9542.00 .!4 `e cV ` fy n ' DESIGNED BY MIN■■■■■■ ■■■■■■■■ (1)2S-GRCUIARORIRCE I g Art 4 4 ►� 11 • ■■■■■■■I. E 'ENNENMINN A.NC:METAL EBRIE RACK TE I �, 1 n' Y. I • C.MORGAN _ . a4•RCP OIJTFALL PIP• E -il + / BURPING rJ II ' I. • CHECKED BY • TOP OF BASEme.m FILL VATtf cDNCRETE GABION BASKET DETAIL POdL I\ ■ 1`•�F1^_� —�^ mELEVATOR s tits N Ts 1,930 3� • //' Jg� I ■ 2 UNFITS - I ' I ' • • M.BOWSER l , h - 1e e4'RAMETER COfLRETE BASE. / ,' ` I TYPE n' ' :CALF �eJ'AV RISER SHALL BE EMBEDDED r GABION BASKET NOTES. 6�y''� I 1 NTO THE tANCRETE 1. INSTALL GABK)NS IN ACCORDANCE W/MANUFACTURER'S SPECFICATICNS. ,� Jv� /V ` 1 '�e1 GARAGES:. I' ' • N75 2. GABION BASKETSMUST MEET ASTM A074-87. , r�Ar `7, • I 3. CANON BASKET WIRE MESH MUST BE TYPE 304 STAINLESS STEEL GAUGE II OR LOWER 6'x6'CONCRETE RISER STRUCTURE DETAIL 4. CONTRACTOR TO PROVIDE SHOPORAwSIGS FOR APPROVAL PRIOR TO INSTALLATION. WET POND EXHIBIT NOTE Vir5. FILL GASKETS WITH 4-TO e•STONE 00=IJ•TON5 POND EMBANKMENT REPORTS WILL BE REQUIRED PRIOR TO yfy+ n;� RELEASE OF THE FACILITY,CONTRACTOR SHALL NOTIFY ESC . TZkr,Oa1° ' `_---- NO SCALE AapN B INSPECTOR AT THE START OF EMBANKMENT CONSTRUCTION. v.®a °°""ac A GEOTECHNICAL ENGINEER SHOULD BE PRESENT DURING AND w w --- - - 1 17� CLAY CORE REQUIRED AFTER CONSTRUCTION OF THE EMBANKMENT TO MONITOR, CL OR CH MATERIAL IN ACCORANCE REPORT,AND VERIFY STABILITY AND COMPACTION OF DAM. WITHCIL ASTM D-2487 nwu •,ants a ®r,r°a`fib y1 E MET (STEEL) 0 HIGH DENSITY POLYETHYLENE 1'NUNi PROPOSED GRADE POND / Scope: t. I '� m gecif d geem the we M PVC coat.ua doable ed...onl wee nM basket tilled with»rum mod as �' 'S1 A,' / f minus ppl led g do not limited to retaining wads.necha' Ilv.sob,nel w l rtain.s,rudums arum and ova E-- • {-3'MIN lank prat 1 a fell snucturtx wand drop v,uaurc'etc. I- V'�T STORMWATER MANAGEMENT DETAILS TRASH RACK WOW? -(- 11111110111111j Definition: O Z y 1 m„a,arz FOR SWM DRAINAGE STRUCTURES inn { T\\\ `EX.GRADE Inc IrMd foe b�kle M an l.,.snap.I M1oskas of wallas sizes vd aimcm,aw. 5 Iwo iDt6 ROAD.BRIDGE STANDARDS ^Y B'MIN t� g ...and dedgew into which Ao wire mesh osecuredot wwlthalvW O-e g ® The gradual I: -1 awny ed t n Imm 2 Re:totem.w ere Me thick ires%noon.into Mc noting during 2 xdiaphragms internal wart mesh which Div de,�a none ¢Ile. L CLAY CORE DETAIL—NO SCALE Conner ru am the ins Me it LLclvies used to prevent Meg...fro...ging. rgle g.s/ ?,• E - - Altemati a fanners a re ASTM approved wire%yen%used in lieu of Ling wire. Terra Aqua Gabion Unit Standard Sizes: I..fe p Q E tote ROAD 6 BRIDGE STANDARDS 2616 ROAD BRIDGE STANDARDS Custom Jumbo Sizes Available Fabrication: Q^ U 1 Double TwistedHexagons/5 l W PVC Coaled Mesh on still befabricated ,tame An,edit tr2CL W Lu i r I - ..e I Gebiew Uek SIP Capacity Cable Yards Capacity Coble Yard, lid and diaphragms be bled ,tie sad g lar buskers of,tie red shownthe J LU R rt•* .w a .3E3 n draw' G d II be .. ,n base, n ad. 1 he either g - edge of Q 2. - a ..... wx3xl 3 J these not...cud M1 of the 8 bit ,,.Mat ,h and flexibility S g point does yso Yi `oar�m �, cayc �� 6 3a13 I 2 not cocoon..Mc e min Megal length y bit cads half length Lai 1'1 (wp 5 +u',ar 3,, a°a..ewjr-3,,naew Mimes \\// bitµ Me germ Mall e,dpled by diaphragms gall the "ll Me rcemnry diaphragm seared W J P 8^u YaNg body gee calf whoseh Dom _ _ gm sear MM.Psimmthe Mac18 IIta I. T� s m -- ^; �r� 14a3xis .bb6 2 n al nu tying E,cgn lunctvre. ,1 ru'I 3 Illilll: 9x3x13 I3 3 such a men additional, red at the Vr r 1- lie MIar CONCRETE CRADLE a 9E3x1 I 3 Mesh Formation: in I..L I- c� �1�-{{ ��-{- 8 'Hsu perrtdl minimum of mint elongation equivalent m �a"am �1: _ a nv. 3r namz iu�'Oa ra , " 12x3a1 I.JJ 4 10%of IIM lmr'umhul length of tie meshh rsealloeom wiMu,mrducing the gauge w me tensile slmngm of the...dual wire suonds F m d �`7■- �v�z SWM DMA METAL OCTAL '� Tolerances: te value lw ill.Noa:for simile wnc me gauge smaller in die.% Q a fl I,:`7i1R® FRONT VEIN aa%�; Oe _ All ynon dimensions shall M within tolerance boil of Moor minus s is of m.nuF mitts aimenalma- . SEE VIEW Non-ravclin O • i.o� Minimum Strength Requirements for Gabions me wee mean i,w x rami<.ud,n sac,manner he non myelin..This is defined as me ability B Q A i R DETAL FOR DEBRIS RACK HOLDER Tn a ale 1 e se rw,da m ewme�ne f,thing the oral,who mirk d m,This is deft e2 a ear. ry to`m11 pulling arm at any of /•M� J a 1 e PPR Ter DeserlpRos Gahoh.MGolf.Gabions PVC Coated Gobi. 8 c wits min Zlit C I F a —= \ Sh4��, - n o.,w Taste sn,oga of m.panlld to wire 33011%11 20001bn Gabion Fill . H g tg` e ``�� ■■■► Tensile svmg,h N mean perpe dicular w 1800Iban MOD I5/n The aim,e fill material used for filling roc goNm units shall be elan,nod Aone wits pities ranging dim f-a inches on the greatee lil Y❑QQ❑QO FT,y �� : , atloonOi,sws wre,w;s dimensiau.Stone filling snail m,oared 24 inch vanul plop,bov<the gallon basket All eats shall be rode w same that the lD B /..�. ❑00000Q cmnahm to Kim. IoD.. MO lbafl stone fill m.dal utilised in bile design of the Eructate maid)dm Nom fill add m emortuing re gab.micro. 0Q ppp` //�/I ❑Q QQQQQ Panel to pa. 14m MIA 12001000 f OF } �/ 000000D AL FCR METAL RATE SLE VEW OF SWM • Co• varaerto ePunelll Data: of mesh: boot RVfi 5300Iwa Assemblingand Latin ; 1- WATER QUALITY ORPOE DAM wrtH DEB■S a0301101 MR.see,e ado •TO le .•win re rrw,..to m, placing: 0 TOP VEW * ❑Q Q QQ Q❑ TYPICAL SW DAM Material •Each gabien shall ha aaewbld all uaid edge.The binding wire shall he looped around a a C ❑000❑Q❑ tits, fete^gal w ¶u rgha=aa¢ ■ C cored gal nd I wire:mesh omitting 3 1 4 by 41.z hide •other mesh opening lap th ucA that le and MO loops 00001 d.Ahern..'areas may M F• _ red - - of lung The r Mall he applied apyr 'wait 6 met 11 l CO To 2 ga3' /p� DI EM �rz ease au same oil g n n the pi J e die drawings.L I f ■, 6 II„ �QQ�QQQ ineho d of ii.Erne re 0rve maims 0.146,h,dee Al,,,e oNf o ien M per f in.. horn I ■F Sy Iy' 9 diameter wxl Ng 0133E incn •.11 be a a. n.djwd long d d reinforced S 3 J of eeled% pt PVC g0.123 inc. fsF ,'., ,® / ❑ ❑❑❑❑O❑❑ a i«0. 1 I I I ll fix .e adjoin avg gall h -h d ledg An orraed / ❑❑❑ RIUL I I 1 diameter ofl s plusPVC mating: deco^ T: of the Hed rep of tie lilWl f pA .shall A. hl 'red f edtheL2 `5 d ■O\ Ewa ME ; Ho �"y ,�1 I •1 e. d Mlacing 0091 b Wla fits bib Ma Mallwin an approved g N ,roost.mw •J I I ...arm,r f sh 3 le 3- n .ASIM Adel read in armrdrm v.ARTA(A370-92 defo t y ■■EL /M1111 QQQQ t%-a."aneII hmpern •Tow opt gn d fish foretaihng.11,inn of suet be require yQQQQ❑ IaRe1 ,--,' e ��I tee �e ___ weight fief e:shall be determined IN ASTIN A. ac ■.■■, III,I1,,,, —DQQQQQ \ / e1�® I I I. = r ,g,gg ;r rot okogs-,r r cans shall hen y. I ,aid eating the filling operation not r 3 Install aerorm g andwwT.a...ions g, g - r I whe -� ..IV.a, �, JJ-__-_L1_ LL____JJ ,raw w;2�Ia�egO.ao or. mans «nalnnf,negN w E FRONT VEIN NIGH Y POLYETHYLENE • PETAL FOR kETK PLATE MID SDE VIEW MTh IRS hap( hoe B SEE NEW �rK MINI iCR DEBPoS�RmADK iET�PLATE OCTAL WATER Q1/l1TT ORIFICE un,fpmlryof cow,nng ore.n8'Neii Mnlgh grade or special high daami,redb/ASASTMA-2J9edin occada,x with ASIM Bd,Teblcl 12 TYPICAL$WY CRM1Af{STRUCTURE eINNaom.rot Its dun 12%in accordance wit.AST.A-3)a92 'VOWT � STORMWATER MANAGEMENT (SWM)DETAILS ' 1 mmmal,tnkmoofPVCoa,ing:a02l4iminmtics11w00I3ihhcna �g �dn■o• STORMWATER MANAGEMENT (SWM)DETAILS pews RACK,LET IL PLATE.WATER 13UKITY a51xz,C0NaETE CRADLE i] lIF9LL5 RACK(METAL PLATE,WATER 12UKITY OFFICE CONCRETE CRADLE Y a (FOR SW DRAN/GE STRUCTURES SPY RISER PIPES NO SEM DN6J ants,urz I*PT a ,es e I tits erz (FOR SWM ORAIIIGE$,TRl1C SPY 9 NO SWM pins) a All.r,Aeabove wire dianaes ale Abject tu,olavwc limit of 0.o04 in wroNwe wits ASrM A8a1. JOB NO. 2016 ROAD 6 BRIDGE STANDARDS •e M1e ROAD6 BRIDGE STANDARDS •i Polyvinyl Chloride Coating(PVC)Data: 4229J E sgy 5'NOTE:DEBRIS RACK FOR 2. WATER QUALITY ORIFICE SHALL E B HAVE NO LARGER THAN 1.5"SPACING BETWEEN EACH BAR SHEET EFT 5 E i a 9 m UNDERGROUND STORMWATER MANAGEMENT NOTES ',, COUNTY OF ALBEMARLE 1.THE UNDERGROUND STORMWATER MANAGEMENT SYSTEM(S)SHOWN ON THE DRAWINGS SHALL BE 6.ap „; Department of Community Development TREATED AS THE BASIS OF DESIGN FOR THE STORMWATER MANAGEMENT SYSTEM(SI.THE DESIGN st-, PACKAGE PROVIDED BY CONTECH IS CONSIDERED A PART OF THE CONTRACT DOCUMENTS.CONTRACTOR Construction Record Drawings(As-built)for VSMP SHALL BE RESPONSIBLE FOR OBTAINING THE COMPLETE DESIGN PACKAGE FROM CONTECH. CASCADE SEPARATOR DESIGN NOTES 2.IF CONTRACTOR INTENDS TO SUBMIT ALTERNATE MANUFACTURERS FOR PRODUCTS SPECIFIED IN THE ewTEPONM wavve.xw.uaaoaonu,®euo..0.0.0111401.11.1.00.3 PLAN SET,THOSE ALTERNATE SUBSTITUTES SHALL MEET THE BASIS OF DESIGN PRESENTED ON THE PLANS. The following IS a list of information required on construction record drawings for m.a idamvreREwNExe-s ALTERNATE MANUFACTURED SYSTEMS PROPOSED BY THE CONTRACTOR SHALL BE PREVIOUSLY ACCEPTED stormwater facilities(reference Water Protection Ordinance 17-422).Iris preferable that the r MP 3.15.124168 E COSAPODerall NW..eIFOMDT.i //�� FOR USE BY THE LOCALITY AND AUTHORITIES HAVING JURISDICTION,AND DRAWINGS SHALL BE PREPARED construction record drawing be prepared by someone other than the designer. Please do not C //.. '.�' g �µ CONFIGURATIONCODESCRI ION t BE MEW NiStelle0. � �t� ,ITVD� AND SEALED BY A REGISTERED ENGINEER LICENSED IN THE JURISDICTION OF THE PROJECT.ADEQUATE provide design drawings as construction record drawings, 1? W/`///� TIME FOR REVIEW SHALL BE PROVIDED BY THE CONTRACTOR FOR ALL ALTERNATE PRODUCTS PROPOSED '6 E , Ii a.F*„.*...* BY THE CONTRACTOR. A.A signed and datedprofessional seal of thepreparingen ineer or surveyor.'Alt'I taw j g 8 Yo '�' I u...aTw"NO N.Er..rh 3-ALL SYSTEMS INCLUDED ON THIS PLAN SET SHALL BE CONSTRUCTED IN ACCORDANCE WITH ALL THE B.The name and address of the firm and individual preparing the drawings on the tide sheet. a s`t v "�ra""^""Tr`E01"E° MANUFACTURER'S SPECIFICATIONS,BULLETINS,WHITEPAPERS,INSTALLATION GUIDELINES,AND C.The constructed location of all items associated with each facility,and the inspection records to verify 1211.`-'.° soes � .. , MANUALS. proper dimensions,materials and installation.The items include,but are not limited to the following: s ao8� z \ �Ir -+aorsw P mNR«EeTR,iptaE SITE SPECIFIC 4.CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE REQUIRED BASE STONE THICKNESS BENEATH I. Inspection Records and photographs for pipe trenches and bedding,including undenleains. I I-N u O DATA REQUIREMENTS ANY UNDERGROUND STORMWATER MANAGEMENT SYSTEM WITH THE PRODUCT VENDOR AND THE 2. Video Pipe Inspection for any pipes which are not accessible or viewable. u N a \ / yk OWNER'S GEOTECHNICAL ENGINEER PRIOR TO CONSTRUCTION.CONTRACTOR SHALL PROVIDE 3. Updated Location with geo.coordinates of all facilities. 3 Q> WATER CRUMMY--� TEimalelli ,wadRi ALLOWANCES FOR ADDITIONAL STONE AND ADDITIONAL UNDERCUT RELATIVE TO THE UNDERGROUND 4. Verified Drainage Area maps for the drainage area treated,and for drainage to the facilities. op sr. o PLAN VIEW B,g ^ARe MICELEVADieea STORMWATER MANAGEMENT SYSTEM AS PART OF THE BASE BID. 5. Current physical and topographic survey for all earthen structures.Ponds should include a survey U a'oo z 2 2 NM To SCALE r mar Mawne. ParE,m S.A STORMWATER MANAGEMENT PRE-CONSTRUCTION MEETING SHALL BE COORDINATED BY THE of the pond bottom Surveys should verify pond volumes are per design.Corrections may be required IS e o -f F CONTRACTOR PRIOR TO BEGINNING THE EXCAVATION FOR UNDERGROUND STORMWATER MANAGEMENT for alterations from the design.NET PPE] o FF OiRLET PPE SYSTEMS AND PRIOR TO DELIVERY OF CONTECH PRODUCT.THIS PRE-CONSTRUCTION MEETING SHALL 6. Plants,location and type. A0 „a Li INCLUDE THE OWNER,TIMMONS GROUP,AND A REPRESENTATIVE FROM CONTECH. • 7. Plans and profiles for an culverts,Pipes,Risers,Weirs and Drainage Structures-Display the FRAME AND COVER w es SPECIAL mNrs installed type of drainage structures,culvert/pipe size,weirs,materials,inlets or end treatmenl(s), ., .Dior _ _ PAUE-TER VARIES, 6.AT THE PRE-CONSTRUCTION MEETING THE CONTRACTOR SHALL PROVIDE A DETAILED SCHEDULE TO THE inlet and outlet rotection,alignment and invert elevations compared to design. 3 R, R, * * i NOT TO SCALE OWNER AND TIMMONS GROUP FOR THE UNDERGROUND STORMWATER MANAGEMENT SYSTEM TO P Sri pOOQ M�IIMMMI� INCLUDE EXPECTED DATES FOR THE FOLLOWING ACTIVITIES AS NECESSARY:DELIVERY OF PRODUCTS, 8. Computations:For significant deviations from design,provide sealed computations verifying that O 1 �'s..s ,n,E«N+eo RIS AWOL..-I �. EXCAVATION COMPLETION,SUBGRADE INSPECTION&APPROVAL BASE STONE INSTALLATION,SYSTEM the as-built Condition is equivalent or better than design. o a Z _ INSTALLATION,BACKFIL AND ESTABLISHING FINISHED SUBGRADE ABOVE THE SYSTEM. 9. Ditch Lines-Display the constructed location of all ditch lines and channels,including typical o tTi'h O 8 a ,,,,a "s sections and linings. tin ra �r arner 7.CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING AND MAINTAINING THE UNDERGROUND 10.Easements-Show all planed easements with dead book references labeled.Facilities and drainage o IQ�' STORMWATER MANAGEMENT EXCAVATION AND PROTECTING AND MAINTAINING THE INSTALLED _ C uk 8 ■ �' !� must be within platted easements.Provide copies of recorded documents. F ! ,E+ER.v DOTED UNDERGROUND STORMWATER E MANAGEMENT SYSTEM UNTIL THE SYSTEM HAS BEEN ACTIVATED AND I I.Guardrail.fences or other safely provisions-Display the constructed location of all safety Masao WE..MEADS 3 see.,SEPARATOR VW...,STM.Ville Sim,DE IN.COROMICE vese a YKSO wENCNEE of ACCEPTED BY THE ENVIRONMENTAL CO INSPECTOR IO AND THE OWNER.CONTRACTOR SHALL DELNERACLEAN w woo SYSTEM FREE OF SEDIMENT AND CONSTRUCTION DEBRIS PRIOR TO FINAL ACCEPTANCE. provisions:fences,guardrail,including the type,length and applied end[reatmencs,compared[o <o.o,ororwnw,.et«,«;ew.'�`,a Nrvo:,�so�`", 8.CONTRACTOR SHALL BE RESPONSIBLE FOR PHOTO DOCUMENTATION OF UNDERGROUND STORMWATER design. - Q\ory MM..m.o,eaa - - -- 111 ' STRUCTUREneut.-ON AT.BELOW RAE OUTLET NEE WERT ELEVATION etiOmeee OF MANAGEMENT SYSTEM INSTALLATION AT THE FOLLOWING INTERVALS:EXCAVATION COMPLETION l2.Material layers-biofil[er media stone layers,sand layers,keyways and cores must be verified a'to C 0 0 W a µ1-EfLiE.IR� AREa.cNn s wFTERs EEEI RE <oN<Ar,r,,.wmwroae„su,a.,ra,.sNTowao.a<*o.ors'«, material types and depths.Include inspection reports,boring or test pit reports and materials _ SUBGRADE PREPARATION&APPROVAL,BASE STONE INSTALLATION,SYSTEM INSTALLATION,SYSTEM 3 aaaerawe BACKFILL,AND ESTABLISHING FINISHED SUBGRADE ABOVE THE SYSTEM.CONTRACTOR SHALL PROVIDE certifcatons.Biotilter media must be an approved state mix. j DATE .N,�eoan,a.Raioeau rE area.eapDeem<oa®Rre,te.a.ms,,.Ees 72-HOUR NOTICE TO TIMMONS GROUP PRIOR TO BEGINNING SYSTEM RACKFILL 13. Access roads-show location of access roads,surface treatment drainage,etc,as applicable. g I i.Compaction reports are required to verify fill compaction in dams. 9. 8/9/2019 1.1MMOLD SMUG.. _owwreNrwnN SUFFICIENT MO T aroRMULET PPE.Nwao ACITY TO LIFT.% ^ 9.ELEVATIONS AND BENCHMARKS USED FOR THE UNDERGROUND LICENSEDTOATER MANAGEMENT IS.Manufacturers certifications for proprietary BMP's certifying rinstallation and functioning. 9. ELEVATION A•A INSTALLATION SHALL BE ESTABLISHED BY A LAND SURVEYOR TO DO BUSINESS IN THE LOCATION pY n 8 � DRAWN By NOT TO SCALEl. areR„o„TRaoeooenv,encneaa,Nar,,Em.MD OF THE PROJECT.ANY ELEVATION CONFLICTS BETWEEN THE CONTECH DOCUMENTATION THE TIMMONS • C.MORGAN g arrr,Ep,w,.sit,oN,s aPow MRe nvu+rs.RE cROPrm GROUP PLAN SET SHALL BE CLARIFIED BY THE CONTRACTOR PRIOR TO INSTALLATION THROUGH THE RFI I /��lFt, Awa� PROCESS. • • DESIGNED BY ,L {PY Vn rNr ES10 10.CONTRACTOR SHALL BE RESPONSIBLE FOR CONDUCTING AN AS-BUILT SURVEY OF THE INSTALLED CASCADE a,,- rc CASCADE SEPARATOR SYSTEM.THE AS BUILTSURVEY ELEMENTS AND REQUIREMENTS SHALL BE APPROVED BY TIMMONS C.MORGAN separator" STANDARD DETAIL GROUP AT THE PRE-CONSTRUCTION MEETING AND PRIOR TO COMMENCEMENT OF SURVEY.THE AS-BUILT ell CHECKED BY SURVEY AND SHALL BE COMPLETED BY A LAND SURVEYOR LICENSED TO DO BUSINESS IN THE LOCATION OF • - - - THE PROJECT AND PROVIDED AS A SEALED SURVEY FOR THE OWNER,COST OF AS-BUILT SURVEY SHALL BE M.BOWSER INCLUDED IN CONTRACTOR'S BASE BID. 0 • SCALE NTS • • C i: NTECH- Maintenance Cleaning Cascade Separator"Maintenance Indicators and Sediment Storage Capacities The Cascade separator` shoud Den regular Clean f a cascade Separator seem shoud be done auto _ - _ Cascade Separator- &Maintenance Log OM s n. ENGINEERED SOLUTIONS when speamat regu ^9° erg rya, g DiameM Distance line Water Surface to Top of Sediment F n ervy s aid maintained when r,eceszary m ensure optimum dry weather contl I ohs when-o(law s cot me ens lice 11CBd tee - performariWe.me rare at wh ch the system collects sea merit use of a vacuum heck's genera ly the most effective and rot _ --- Sediment PAe '�Capacity Cascade Model and deb,s NO I depend upon on as actor ees and ate Pollutant can ent method of remov rig pot aeon from me system.Sep y WINN" 'Dew.. ch«acenstic,For example.unstable sass or heavy a,nter sand- ernoo the manhole cover and insert the vacuum tube down ft m ft m Y iEa �a Depth Below In Rnaable layer Maintenance am antComments D a i,g will cause the sedment storage sump to fill more,1.11.)I but through the center chamber and Into the sump The system to Top of Sehment' Thickness' Performed MPelson, E p regular...mg of paved soda.win slow a<cumuebon. should he comelcav drained dOwn a.a the sump fully ea<u- CS-4 4 1.2 15 0 5 01 0 S z c ated of seeent.The areas outs.the center Member and the • 2 a Inspection slanted skin should also be washed od d pollutant bull-up enns CS5 5 13 15 0 5 1 1 0.8 0 B in lnese areas C Ce Inspection is the key to effective maintenance and is easy pen illations where the nst of CS-6 6 18 15 0 5 1.6 I 1 G j formed Pollutant iranspon a,d deposrten may vary from year In Ins lendmm seals it smart.Igud n to year and regular inspections will help ensure that Inc system rataminanis may not xcumulak as quickly as sediment Hen- , CS-8 8 2.4 1.5 U.S 2 8 2.1 Cascade Se arator'" Inspection and '��nedoutattheappro teh.Atamm'mum'in'pa<_ w.tw'"remshould 6<� dpptmmdiat v,a t P P should be performed twice Per yea,lie wring and NO or gasoline opal Motor al and other hyd Maintenance Guide m«Ehequet�nspectionsmaxbenecessarymcl,mares accumulate ona more rout.basis sfoutdbe removed when an �-IO ,0 30 1.s os 44 33 r satiin lead to rape accumula- apprecable layer was been tap...o ,To remove these polluGnts. re Ce = M-1 g However. where writer g opetmons maxQ UU Dorn,w m egwpmel wam-dann areas Instauat'wnz mould also d may be preferable to me nt...rue they are usualry CS'12 12 3.6 1 5 0 5 6 3 d 8 J s expenorve i "--- --��_ • be nspened more he«,mtN Mere ex[aslve amounts of trash created IS vacuuming the why layer Trash and den so won may be note me mianwm n rev dNrt R foe V,Ms may Fare dot. Q Q_` are expectedDemi..O sum mmses.s.sedm�ent+WM, red outto separate t from the M.pollutants Then me system a' r-: - -�.___ -/ A moat nmee ts should ascerta n that The system compone should he power washed to ensure it s free of trash and dears. - IL i ~ 1, -v - --- _ _ are nwwWng ander and tut mere are no danages or obswc aL y .Zray.' WnsnMe-nIM chamber.flumes or Daunt rhmr,ei The Manhole should besecurely seated 1ollwmng Weaning ,/� .3 2��" ; z "E J✓V _ .+•-ce.,.. Wn should also quantify me accumulation of hydroearbonivss. activit ee to we+em leakage of runoff into the seem from ebwe a. - Ye._ < v'LLJ o d N+-? a ...Via N,-'� "-,2- trash and sammmt the Reece Meawnng pollutant matmu and to ensure pmttr satin precautions mni,ee space min / 1< - • r labm,<anbed«e w,maw[dated dpstek tape meawreon proc H«Es nWPd rhea if physical a«ns srepotted - ME tj a . *' Y;nr' ' .- other meriting mnRRnent.If abwmmt...I s,ised for Disposal of al sea-crone Cascade sepa.ator me t I:e EL EL O L. E I *. / � II' entranced removal of hydrocarbons the eM of discoloration of seem nest doneaccordance m awl regulations in :1'. tO. f •-.� ^. the sarbent material...I also be identified during-"nspecton many owim .d of evacuated sediments may be handed ' -a„{,i7 Q 4 'z • � , ^`�-d - come same meter as solos sea menrm,o afmm catch Rre y uis useful and often retired as pan of an°Matng Permtw disposal r 5� • Rb p rig w a your local regulations for y8'c�''` , r _ Z Ce :3, F o h" -a ^ keep a record of each nspeciwn.A simple lore tor clang banns w deep sump manhoaCMk1h eP .�y+s '�� 4 w / yf �� • p,psded nthrs tweet on and Maintenance Gude spec. ca I 3 anydered car dam- T ., aged replacement pans can be ordered from me manutxturr < G in (. � .. 'u{{I x<errotnecascadesroanat«,innmNltiWallya<heredmmPgn _ P `'-� Q I- t11 €g Cs 4 1 one manhole access carer The opening allows f«,nspe tlon and ...or ~ g�' }�JJ +d .. .r . _,--7.._ r_ i `-'----'1 daa„o,R of,ne scoter cnambn tM+der)and sedimml storage �;F II - ¢ !a,� J T' �.' sump as xen as Inspection of Mc n M chamber and slanted !eW a 8 3 ,' 1 skirt dmmber erne sum muRiWe manhdeca'Ms aloes accessm to O " 05 cumbers and sump. i The Cascade Separator system should be cleaned before the lave 3 h - Pr '• �� ' • � of sediments the sump reac.s t.maximum segment deem �o-�--� �� N,Cascade Separator unitan be easily cleaned A vacuum WA atavaes pollutants from the systems. Re amm m v determined Dy taking a memuremeni from me mannMe WOO mien, m Mete to Me Me Of the sediment pie • ^ n .� --- ,rig - v anaa when an apprec able IeM of hydrocarbons aM trash has you less than 30 minutes �n o t should be<omwrM,O Mc man guide water f the Might o,the sediment Meal ML S g ced p ® L� R _ [[r`'' ` accumulated vy m d w,ia n wr.ea rHro mie�l« y m °•N,o... _ t ,e t e n mr g w,o<amw m.a<wmm n wapnaNae mmrl,es rim W p „ - _ _ _ i F �- impacted when ma:morn segment age capacity s exceeded manner performance.n't system should out etherthe Oe 3 MO me Min teen sto rage t - • _--' - _ �e eontech recommends maintaining the system when sediment i+�' event of an sa sow.ere rya shown be<twee mmecia cry nK g S - -- = - level reaches Selo of mammon storage vdume The cal of �alr, - SUPPORT uJF -�. oral deteym«d by measuring the distance from me ,` N g _-- _ _ _ - smemio...zed wand,water level)to Me top of the sedi- mentv� �t� rasa..... < 59 ` e Ple.To avoid oMe2slmatng Me...N of sedimetnMe P •o-...o„"e g - Member the messuneig een<e must be owes U to the top of Jal.o�� -� �y w n f the scd pile r lain/ sky panicles me op f the d� s,w.,,.... X .,, R we ryM IF less resistanceM of Me NMan rgE `e g w.r par�Rbt toward me bottom fee we.0 e N m M'o CASCdead should becompared Me chart nmsdo met v<omc. wu,w wn.n <mO,r. reoRw,ur nx.xauscuwmmcros<" tMIITEgr Knessam 3g 62 ✓ baeter I Me rooeedght of the seNmmi pole off the bottom of `' sepa,...-�. Mesump now exceeds SD%of the maximum sediment storage c.,.a.,r...�e w.,w..r.,,v ......,w.m. iTi ma 42297 1-,SHEET NO. I.p C7.6 g -� I I - - • Ni „ UMITS OF DISTURBANCE(TNT)J / () RED 1 (111 ROS ROCS PAL . �! oaoaaoaoa:::'•"'""''''"'8 L�dAOOSOy • OO (4)PAN VIR C (31)SCI PUN O A (40)SCI VAL O JIB I ��%� % IE�'Y 7/ •a O • -'91i�111 �,�i l� ��'►�a- (6)ARO RED BOA ice-vI 48)PON COR n E • �% (22)SAU CER 0 •• 5) SG VAI. Il4uti% (18)CEP OCL Ov (115)PON COR .4411 � (5)ROCS PAL � (6)PAN VIR O • (57)SAG LAN `•qY', (71)SAU CER o E 410" • - •.. (61)PON COR c /,�. M ' . 3 (1o4t SAG LAN - � 41i O ' e�� (165)PON COR I O_ d (14)CEP OCC W O$o . . oi v. ° 'a (45)SCI PUN � (56)SCI VAL ni .'S'( Y N tn u� WET POND J 8" �If=I t4g a = gi (204)PON OR $ F` �� ^e ••,• (25)SAU CER ,�_ '� (284)PON COR a::�••• 15)CEP OCC � ((0)SAG LAN �q. -,:ob�� (SgAROI RED _ STORMWATER MANAGEMENT AQUATIC BENCH PLANTING NOTES: Jd�O (38)SCI PUN - %' o 1.QUALITY ASSURANCE.. �� °°0001K ° - /, (0 1.A N • "'S ANDARDIZED PLANT MENCLATURE PLANTMESS AS ADOPTED BY SHALL 'THE AMERICAN JOINT COMMITTEE ON "►TO THE LATEST EDITION OF / \-,♦ /' I�fFc °°°°°° l ` , HORTICULTURAL NOMENCLATURE '" /D��<O O4¢aa / ` € H . 1.6. SIZE AND GRADING.PLANT SIZES AND GRADING SHALL CONFORM TO THE LATEST EDITION OF -"'4A t e (53)PON COR '--12'7� _ '' o ' AMERICAN STANDARD FOR NURSERY STOCK AS PUBUSHED BY THE AMERICAN NURSERY 8 % ",, -I 0-a (51)SCI VAL __ - `s - ry • LANDSCAPE ASSOCIATION,INC.ANLSA �, ♦ (6)PAN VIR _--- . I.C. NURSERY SOURCE OBTAIN FRESHLY DUG.HEALTHY.VIGOROUS,PLANTS NURSERY GROWN �N (28)SAU CER ",.1 UNDER CUMATIC CONDITIONS SIMILAR TO THOSE IN THE LOCAUTY OF THE PROJECT.PLANTS '�' /� ` SHALL HAVE BEEN LINED OUT IN ROWS,ANNUALLY CULTIVATED,SPRAYED.PRUNED.AND '�' ♦ �, I' FERTILIZED IN ACCORDANCE WITH GOOD HORTICULTURAL PRACTICE,MELDED IN PLANTS AND \� _ - _ f '� �= CA DATE PLANTS FOR COLD STORAGE ARE NOT ACCEPTABLE. / z 1.D. SUBSTITUTIONS'.DO NOT MAKE SUBSTITUTIONS OF PLANT MATERIALS.IF REQUIRED % 0 20 01/22/2020 LANDSCAPE MATERIALS IS NOT OBTAINABLE,SUBMIT PROOF OF NON-AVAILABIUTY AND P- PROPOSAL FOR USE OF EQUIVALENT MATERIALS.WHEN AUTHORIZED.ADJUSTMENTS OF INSTALL SHRUBS SO THAT REMOVE ALL DEAD, PLANT SCHEDULE-AQUATIC SHELF LANDSCAPING DRAWN BY CONTRACT AMOUNT(IF ANY)WILL BE MADE BY CHANGE ORDER. THE TOP OF THE ROOTBALL BROKEN,DISEASED. B.DAVIS IS AT THE SAME GRADE AS AND WEAK BRANCHES SHRUBS OTT BOTANICAL NAME COMMON NAME MIN.INSTALLED SIZE ROOT SPACING ORIGINALLY GROWN OR 1-2" AT TIME OF PLANTING • DESIGNED By 2.SEEDING 8 PUNTING SEASON AND TIMING CONDITION: ORIGINALLY RED 19 AROMA ARBUTIFOUA RED CHOKEBERRY 24"HTISPRD. CONTAINER 5'O.C. 2.A. UNLESS OTHERWISE DIRECTED IN WRITING,SEED STORMWATER MANAGEMENT BASIN AREA ABOVE IN POOR DRAINING CEP OC 47 CEPHALANTHUS OCCIDENTAUS BUTTONBUSH ir HT./SPRD. CONTAINER 4'O.C. • B.D./E.M. FROM APRIL 15TH TO JUNE 15TH,AND FROM AUGUST 15TH TO OCTOBER 15TH. SOILS.DO NOT COVER THE 2-3"MULCH LAYER, 2.B. UNLESS OTHERWISE DIRECTED IN WRITING,THE PLANTING OF PLUGS SHALL BE FROM APRIL TOP OF THE ROOTBALL KEEP AWAY FROM PAN VIR 16 PANICUM VIRGATUM'SHENANDOAH' SWITCH GRASS 3 GAL CONTAINER 25 O.C. • CHECKED BY 15TH TO JUNE 15TH. WITH SOIL TRUNK ROS PAL 27 ROSA PALUSTRIS SWAMP ROSE 24'HTJSPRD. CONTAINER 4'O.C. 2.C. PROCEED WITH AND COMPLETE SEEDING AND PLANTING AS RAPIDLY AS PORTIONS OF THE 1"COMPOST LAYER • E.MACHEK SITE BECOME AVAILABLE,WORKING WITH THE SEASONAL UMITATIONS FOR EACH KIND OF REMOVE ALL STRING. LANDSCAPE WORK REQUIRED. WIRE,AND BURLAP FROM A�• PROVIDE MULCH UP GROUND COVERS QTY BOTANICAL NAME COMMON NAME MIN.INSTALLED SIZE ROOT SPACING 0 SCALE 2.0. PROVED TEMPORARY ANNUAL RYEGRASS COVER FOR SEEDING OUTSIDE PERMITTED TOP Yi OF BALL l� IVOPON COR 736 PONTEDERIA CORDATA PICKEREL WEED T PLUG CONTAINER 18'O.C. • /'=20' SEEDING PERIODS.SEED AT THE RATE OF 3 TO 4 LBS PER 1,000 S.F. \I (/� AND OVER SAUCER �`�., j�A SAG LAN 241 SAGITTARIA LATIFOUA LANCE-LEAFED ARROWHEAD T PLUG CONTAINER 7T O.C. (♦ 3.PRODUCTS L 4 --••--••••-^^^ 0..__,.•••••��ti SAU CER 146 SAURURUS CERNUUS LIZARD'S TAIL T PLUG CONTAINER 18'0.0. 3.A. IMPORTED TOPSOIL PROVIDE TOPSOIL CONFORMING THE FOLLOWING: 'I— IL' � ilit� 3.A.1. ORIGINAL LOAM TOPSOIL,WELL DRAINED HOMOGENOUS TEXTURE AND OF UNIFORM _ �� • SCI PUN 130 SCIRPUS PUNGENS THREE SQUARE BULRUSH 2"PLUG CONTAINER 18"O.C. GRADE.WITHOUT THE ADMIXTURE OF SUBSOIL MATERIAL AND FREE OF INVASIVE ,I I '�%ii�I SCI VAL 254 SCIRPUS VALIDUS GREAT BULRUSH 2"PLUG CONTAINER 1C O.C. WETLAND SPECIES SEEDS OR ROOTS,DENSE MATERIAL HARDPAN.CLAY,STONES SOD II _— 1=111— —_ I_ I I_ OR OTHER OBJECTIONABLE FOREIGN MATERIAL 3.A2. CONTAINING NOT LESS THAN 5%OR MORE THAN 20%ORGANIC MATTER IN THAT PORTION I I 1 III III III IIIH 1 OF A SAMPLE PASSING A 1/4"SIEVE WHEN DETERMINED BY THE WET COMBUSTION DAB CONTANER METHOD ON A SAMPLE DRIED AT 105"C. BACKFILL PLANTING PIT 6"SAUCER J 3.A 3. CONTAINING A PH VALUE WITHIN THE RANGE OF 8.5 TO 7.5 ON THAT PORTION OF THE WITH NATIVE SOIL REMOVE CONTAINER. fy ,I,.A SAMPLE IMICH PASSES A 1/4"SIEVE. INCORPORATE SCARIFY PERIMETER CM Y 34. CONTAINING THE FOLLOWING WASHED GRADATIONS. SLOW-RELEASE ROOTS D (r) SIEVE DESIGNATION %PASSING GRANULAR FERTIUZER 1• 100 H III 1/4" 87-100 SCARIFY BOTTOM AND Z Q 0 E NO.200 20-65(OR 1/4"SIEVE SIDES OF PIT Z 06 3.B. SEED:PROVIDE FRESH,CLEAN.NEW-CROP SEED MIXED IN THE PROPORTIONS SPECIFIED FOR 0 LLJ SPECIES AND VARIETY.AND CONFORMING TO FEDERAL AND STATE STANDARDS.PROVIDE ID VI THE FOLLOWING MIXTURES: 3.6.1. WITHIN THE STORMWATER BASIN,BASIN SLOPE UPLAND MIX SUPPUED BY PINELANDS >L F I— NURSERY 8 SUPPLY TOANO,VA PHONE 800667-2728 WEB ADDRESS. O SHRUB PLANTING DETAIL �/I— Y WMWd.PINEUWDSNURSERY.COM AT A RATE OF 15 LBS PER ACRE 3 3.B.2. OUTSIDE STORMWATER BASIN USE LAWN SEED AT THE RATE OF 5 TO 8 LBS PER 1,000 Nis 329733 13-18 L. Z Z % S.F. Q O 3 3.C. FERTIUZER(TO BE USED ON SEEDED LAWN AREAS OUTSIDE THE BASIN ONLY): 0 a Li 3.C.1. FOR SPRING SEEDING.COMMERCIAL STARTER FERTIUZER,GRANULAR.NONBURNING — PRODUCT CONTAINING 10%NITROGEN.6%AVAILABLE PHOSPHORUS.AND 4%WATER . - s SOLUBLE POTASH(108d). �I. 1 TAMP FIRMLY STAPLE THROUGH f d E a 3.C.2. FOR FALL SEEDING.COMMERCIAL STARTER FERTILIZER,GRANULAR,NONBURNING STAPLE TAMP FIRMLYW W 8 - STAPLE ACROSS MATERIALS LLJ LL r PRODUCT CONTAINING 5%NITROGEN,10%AVAILABLE PHOSPHORUS,AND 5%WATER _4 )( )( ADJACENT TO MATERIALS C SOLUBLE POTASH(5-10-5). : EDGE OF BUILDING,WALK OR I- -I TERMINUS TAMP Q Q_ !``'. l \ 3.C.3. FOR FINAL FERTIUZING.IF APPLIED IN SPRING SEASON.SHALL BE SLOW RELEASE •,� STRUCTURE f� ... ...._ ' _ FIRMLY ` P / ' Q i 3' g COMMERCIAL FERTIUZER GRANULAR,WITH HIGH NITROGEN.38%URAMITE OR APPROVED MOO VOIDS - ~) EQUAL IF APPUED IN FALL SEASON.SHALL BE AS SPECIFIED IN(3.C.2)ABOVE. O> - I \\ In 8 3.D. MULCH: . MULCH LANE — I i�j\ \ Fg 3.0.1. LAWN AREAS OUTSIDE STORMWATER BASIN:HYDROSEED OR USE OAT OR WHEAT STRAW woos) PLANT UNDER DRIP LINE OF LAMBED S III 1P' FREE OF WEEDS. ` UP SHRUBS a TREES 7.2 STAPLES/SQ.VD. -1 w 4'OVERLAP \� 0'1° Z 8" 3.0.2. EROSION CONTROURESTORATION MIX AREA WITH BASIN:HYDROSEED ONLY.DO NOT USE M1111..1 . TYPICAL STAPLE PATTERN DIG TRENCH FOR > a g TRIANGULAR INFILL SPACINGTERMINUS O Q S USING 6"STAPLES FROM 11 ZE OTHER MULCH WITHIN THE BASIN. v r PLANT PERIMETER AT INDICATED GAUGE GALVANIZED HARE LU U- @ E 4.EXECUTION' 1M SPACING STAPLE PATTERN TRENCHED TERMINUS LAP JOINT TRENCHED TERMINUS/LAP JOINT 1171 _J .g e 4.A. PLANTING WORK SHALL BE UNDERTAKEN AS SOON AS SITE AREAS ARE AVAILABLE. OAS".�_ �' PLANT UP TO EDGE OF SHRUBS0 W g e 4.B. THE BASIN MUST BE DRAINED AND FINE GRADED TO FINISHED ELEVATION PRIOR TO X, `P UNLESS OTHERWISE NOTED TYPICAL MATERIAL/INSTALLATION ON C PLANTING,PLANTING AREAS SHALL BE GRADED TO SMOOTH EVEN SURFACE FREE OF '" • ABOVE SLOPE ,P/ O A DEPRESSIONS OR RIDGES LATH A UNIFORM LOOSE FINE TEXTURE. �t�w ��' TRENCHED LAP JOINT INTERFACE WITH / / EY/ K V 3 3 4.C. THE FINISHED ELEVATION IS TO BE EXCAVATED FROM THE BMP PRIOR TO APPLICATION OF .'`•Y * - UPHILL MATTING OR FABRIC f r.•v� ' %. TOPSOIL,SO AS TO ENSURE THAT THE VOLUME OF THE BMP DOES NOT CHANGE.ENSURE �L�►C�j`�, i PLANT ONLY WITHIN / /( 'V' W • THAT TOPSOIL MIXTURE IS PROPERLY INSTALLED TO PREVENT SOIL FROM FLOATING AWAY, �/�► uu�A y COIR MATTING INSTALLED =$ 4.D. CONTRACTOR SHALL EMPLOY APPROPRIATE SEDIMENT CONTROL MEASURES TO ASSURE `► \ �• 8 FLAT BENCH LENGTHWISE ALONG BENCH / IT D3 Q gi o WATER DRAINED FROM THE BASIN SHALL BE FREE FROM SEDIMENT PRIOR TO DISCHARGE TO w �0 33> PLANT WITH CRO AT FINAL GRADE .� / D R.a 1 I- SUGhRLV ABOVE GRADE f 1- RECEIVING CONVEYANCE SYSTEM. _= TYPICAL STAPLE PATTERN _-� / .,� O+ P y f 4.E. TOPSOIL SHALL BE SPREAD NO LESS THAN 7 THICK EXCEPT 6"THICK OVER THE AQUATIC 1V r _ j al PLANT w_ \ -f _ 11' _i F Q S1 4,F, THE TOPSOIL SHALL BE TESTED FOR PH AND UME ADDED IF NECESSARY TO AMOUNT9 BENCH. 2�'MULCH 'l� - - c §$ RECOMMENDED FOR EACH PLANT SPECIES.ALL AMENDMENTS SHALL BE CHECKED AND . LAYER = ii` ' � g E i I APPROVED BY LANDSCAPE ARCHITECT BEFORE AMENDMENTS ARE MADE. �� i"COMPOST �.I / _ �c 4.G. ALL NEWLY SEEDED ARES SHALL BE KEPT MOIST BY WATERING UNTIL VEGETATION COVERS .�� LAYER �'�T(T�i/`///♦�♦7�% �, II , , / '. I i-— 6. ARE WELL ESTABLISHED.CONTRACTOR SHALL KEEP PLUG ROOTS MOIST UNTIL SUCH TIME �� \ \\ \ /� I ._�.•au„ (B—'. THAT THE PERMANENT WATER SURFACES IS REACHED WITHIN THE BASIN. AMENDED III II d 4.H. THE WATER IN THE BASIN SHALL BE ALLOWED TO RISE TO ITS PERMANENT POOL LEVEL WHEN PUN VIEW SOIL MIX If • y 1T C OVERLAP• &g THE AQUATIC BENCH HAS BEEN PUNTED AND ONLY AT A RATE THAT WILL NOT DISTURB THE UNDISTURBED �,Rb , , , „IB„1,..±- +i-f-__,-n--'_;_, '_-'-'-_,-'-_ CUT THROUGH �/ g IF NEWLY PLANTED PLUGS. EARTH n'� -"i�i'n" MATTING AT ROOT 1 e 4.1. PLANTINGS ARE NOT TO BE PLACED OVER TOPAN FRONT OF INLET PIPE STR.4-1 8 4-11. BALL WIDTH 2 No. IMII. 42297 g1 5 WARRANTY GROUNDCOVER PLANTING DETAIL0 AQUATIC BENCH PLANTING DETAIL E 9 5A VEGETATIVE AREAS ARE TO BE WARRANTED UNTIL THEY HAVE BECOME ESTABLISHED,AND SHEET NO. 0 NOT LESS THAN 60 DAYS AFTER COMPLETION OF ALL WORK AND FINAL ACCEPTANCE. HIS i' - 1 L5.1 I E Section 6. Pollution Prevention Plan. (reference County Code 17-404 and State Regulation 9VAC25-880-70 part II section A.4) A.Plan showing pollution activities and prevention practices (Provide a reduced 11x17 copy of a site plan on which all of the following activity locations are clearly marked. Keep this plan up-to-date with ongoing site changes and inspections.) Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County PURPOSE VEHICLE FUELING AND MAINTENANCE DISCHARGES FROM CONCRETE RELATED DISCHARGES OF SOAPS.DETERGENTS,SOLVENTS,AND SWPPP UPDATES WASH ACTIVITIES WASH WATER FROM CONSTRUCTION ACTIVITIES SUCH AS 4VAC5O-60-54 of the®rime Stormwater Management Program(VSMP)Permit I Conduct regular maintenance in a d•mcaad area that is located to maximize Me CLEANUP OF STUCCO,PAINT,FORM RELEASE OILS,AND The oprabr(s)shell update ire SWPPP to include. Regulations requires that Stoemwater Pollution Prevention Plan SSWPPP)be developed distance from storm drain mate dames.wemrbodes or wetlands but no lass man I Concrete trucks are not allowed to wash out or discharge nnplue cond.or drum CURING COMPOUNDS for all regulated land disturbing ectrvees.The SWPPP must include but not be limited 50 feet from Case featurens I A record of dame when 11 major grading eciviliee occur,2)wnatrucpon activities d e a n and sediment controlplan. disch water to the except in t dedicated desare or tree d bard lees preventy or permanently cease on a mrton of the s.,and 3)stabilzaeon managto, dent pl o an a)for re alormwan /maximize Rime is mducetl of s land ant area me owber must bit taws m feet Porn to s to d inbm.aimhes.wamroadss«w•a.nds mA ne thin 50 mmpo e sOrb 9 a t plan,and Nis CapsPoll O Preventlpn Wan(PPP)for t5hO01 land oeothe Asmara from slim drain nlers, Octdas.waerbodes or veaands tea feet Porn tense Metres `�Washing emcees afisacas wrote m. on pent corer than vehicle and measures an initiated disturbing a=tiwties and a descnption or any addnonal coned measures necessary to no less Nan 50 Mt from a...features equipment washing wcn as dean up stucco. form release one and army I Documentation of mockfiafeel and morons.the SWPPP', n e address a TMDL as applicable /Each hci ry must have a sbelized dazes m prevent teed traprrq ihb the strew compounds are t te conducted in a dedicated aro. I Areas that have reamed final sbbilation where no further SWPPP or inspection I The dada./are.must be designed m eliminate tie discharge of salted and I��ecilr ✓The demcard area must be located m maximize the distance from storm dram requirements apply, P The ten for its leaked fuels and chemicals from vehicle fueling and maintenance a=0vhtes bymust ha.appropriate egnep•to Term urn*tare the eaAmaeed p implementing pollution prevention measures&ring mnsbucpon a:tivA. g *MN a toned mina.caches,waterbon 50 or wetlands but no less Nan 50 feet horn.se featured I All properties the that are no longer had legalthe legal control of the oper and the dales /eve ed an this teat must he implemented and updated as n An PPP crowding secondary containment(soil terms,°mks,spill containment pallets. may approvedby napeobr on w•T.the openmr m longer had control over each property,and i E lapmp p nr necessary y Separators of less than 50 el be the EnvironmentalOrdos requirements not included on this sheet roast be incorporated into the SWPPP required providing laver®free appropra,e.and Having spY kits readily avalablel Sho`sT on T ✓ I The date, velure, and corn•dive/pr•vematwe actions implemented for any Dediatieed T.demoted are moat be designed to present to AWe of soaps. i a by 4VAC506054 Nat must be developed before land disturbance commences. This I Each leaky must have asinanab sprain to inform users where the&dewed O•m sh.ete(a) Location� Nagai deem....solvents.and wash water pronmrea discharge. F PPP identifies potent.sources of pollutants that may reasonable be expected to affect araee)are located- S 3 the quakry stormweer Asm«ges horn the construction ate(both on-and of-site WaApprond Shown on The operemrys)shell ueOae the SWPPP no later man seven!]I days blowing any of 6 r a active.)and tlescnbes control measures Nat we be used to minimize poluernrs in - Shown on - - .- Dab Plan lneab del a Da,dieaW Arse() the ktistiona identified above stamwrater discharges from the construction site par Pen • Laotian oyDadiaarsAntap) W REVISIONS TO LOCATIONS Sheet 1 0 8 of E. - OPERATOR INSPECTIONS Sheet f(f) Shevm on Approved The operemrts)dentified below shell past are for nW r OTHER REFERENCED PLANS AWmwd Date pan Location apeda.d Area(s) ope.mrs ! �^ inspections of the permitted tted land- '1 N 1 R Plan Street e(s) Int. REVISIONS TO LOCATIONS disturbing activities by the qualified personnel identified below The inspections will be U • SWPPP requirements may be fulfilled by incorporating.by reticence other plans All REVISIONS TO LOCATIONS ieeonon conducted(sheet one the following options) ;i> w plane incorporated by reference become eelorceable ode the VSMP Permit • Dale Wen Leatioels)aOadeaYd Areas) OPeeor(s) o u Y u- O tton ffarn Regulationsand General Perrot VAR10 for Dkmhegee a Sromaala from Sheen oil OpermYs Ind. ❑ et least once every foe(4)buetess days or o Construction&Ovat. f a plan incorporated by reference dogs not contain a1 of the Date Pan Locetion of Da l.bd Area(s) -aol Sheet as) ❑ en Mat arcs every the(5)dearer days an/no labrthm 48 boon following o. O W W required meets of the PPP,the operator must develop the missing elements and Sheet a(s)' . Initials I o any neasuabramnn event. I- si e include Nam in the SWPPP - - 0 I Feehes must be cleaned,«new eddies ies oar uuted,once Ire washout area a Where areas are in e smnl'ed condition or runoff is unlikely dam wimar condsons, $m U U Independent Plans Dam ! t ea irds(2/3)lull -- the inspection frequency may be reduced to once every 30 days while these condilians _ Inmrporaed by Reference Approved _ - exist ONerwee,the operator(s)shall resume the regular rnspecnon frequency 8e, j - - identified above Stemmata Management Plane(Regional«Masts) _ Soil Prevention,Control,and Countermeasure Pine I If mobile fuel II be used,to fuelin must be done in an area art loatrd m ��r � E WASMWf AfEA ✓Prevent The dedicated c tan with.smnnwsre st be vend(e p.,plastic sheeting.temporary roof.et.)m g activity O O M wi g The operator(s)shall pmwide for inepaclims of Na permits ImaEismrGnm U V Ze ere dvarcz from storm dram mars,dachas.®embodies or wetlands but ✓ a ensure mplementanon and continued immanence of all requirements of e. W OffS.Stockpile no less than 50 feet from lapse features. Them minted wit ter from ma&s acs.d area must be collected for Stormwater Pollution Prevention Pen(Erosion and Sediment Control Plan.Smmwater g a ill kits are st de readily deposal by a wane Muter or discharged m the sanitary sewer Management Plan.Pollution Prevention Plan,TMDL r O Q Od-s.Bartow•Area _-__ I sP y acrelade at mobile fueirg locations 000000 O O O O ✓ gem.n requirements sro.)- o W gR I On von storagetanks must haw•a means of secondary arm nmonl 1 hems. In the ns where these(e q c r are or could be ganef at.at locations other dun el ry wt (spill '-.o. .1, at designated area(e g.concur pours.bu IAng waenng ern.)corer(e.g. Records of megaited reps.npeclons must be marnY nsd and included n are SWPPP decks sell containment pallets am)and must be covered where anemone. O ! e. plastic sheeting,rmpoary roof et)must be Droncled to prevent contact vet binder. The gaited personnel are encouraged to use Me Open or Inspection form p I NI vehicles on eta must be monitored for leaks and receive regular preventive i fi!. ammnwater and the conmm nerd waabwater from the acbwty must be coll.bd for provided in me SWPPP binder to decvrem Ore required in�re=aone.If inspections are a 01 memmnarce to reduce the dunce of leakage 4 �a�. disposal by a was.neuter or discharged tote sanitary sower concluded one every five(5)buvnneee days ant no later than 48 hours following any - r•�Igiv,T meesureawe storm event,the locebon of the rain gauge used to,�1P MIN. C u, of rain must be included in the SWPPP and documented in to ntladioni report amount tu POTENTIAL POLLUTANT SOURCES DISCHARGE FROM STORAGE,HANDLING,AND DISPOSAL ♦ Id MIN. •T"�'��I �� ♦ u o OF CONSTRUCTION PRODUCTS,MATERIALS,AND WASTE T ° T The following sources of potential pollutants must be.sussed in the Pollution � � 1 ACKNOWLEDGEMENTS Z < o Prevention Plan. Veo.controls and/or measures designed m prevent and/or ✓Smrage of constructor products,mean. and waste is b be conducted•n 0 O � Pi .W. DISCHARGES OF HAZARDOUS,TOXIC o a pollutants in storrrrwater discharges from the pojed sae must he applied to dedief.dateaa. Q:!t`=1i• AND SANITARY WASTE I certify under penalty of law that the qualified personnel identified below Q DATE the suites found on the ve.Additional mbnnabon concerning the following controls ✓The dedicated area must be located to maximize the distance horn storm darn 144 > andlor measures may be found in the SWPPP. Deeations from the location criteria Inlets,dames.waerboabs or wetlands but no less than 50 Mt from those features. / �/moo ✓ maybe approved by the Fennco County Environmental Inspector Separators of less than 50 Mt may be approved by the Environmental Inspector O �ii<v , Storagededicated da msmponl ahsadous,bxc and senitery wastes era to he mndud.in a. her heed designated by the Opeator t0 conduct inapecnonn athe 8/9/2019 ✓The dances areas are must to designed to minimize the discharge of pollutants from O O O O O O ✓The dedicated areas must be lowed to maximize the distancefrom storm drain b re knowledgeable in the principle,and prachnes of erosion and 6_ DRAWN By LEAKS.SPILLS,AND OTHER RELEASES straw.handing,and disposal of cons..produce.matenelc and wastes inlets,arches,waterbodies or wetlands bed no less ten 50 feet from those+ealurer sediment control and stormwater management: 7 ircluding('I buildng produ=n such as asphalt sealants.copper flashing,roofing 7e Separations of less than 50feet may be approved by me Environmental Inspector possesses the skills to assess conditions at the permitted site for the ` C.MORGAN menials,.hasises,concrete atlmrxturas,(ii)pestpdes,herbxxtles,'nseNcrtles. The dedicated errs must be designed to discharge o c ( pa quality and quantity. O The operators)shall ensure procedur.are in place to prevent and respond to all fertilizers,and landscape materials.and(iir ea MIN. ✓ g prevent the lecher f Hazardous,toxic Operator a)that could impact stormwater leaks,spills and Omer releases of pollutants Pe^� 1 wnstructon and dorwstic wastes such end.neary waste by avoiding contact well pre ipnaton d. will mesa the effectiveness a any erosion and sediment corlhd • DESIGNED BY as wckeP^g mammals.scrap mnsm,dmn maenals masonry products,tether. ✓Each facility have inform users where the dedicated measures or stormwater management tactile.selected to control the The opanlor(s)shall ensure all leaks.sale and other releases of pollutant are pipe antl electrical cuttings.plas9rs,Styrofoam,concrete and other trash or building y must ppropnate village m i • C.MORGAN contained and cleaned immediately upon discovery. Any conaminaed malerhl* products.. aree(e)ere loafed. sto Hater discharges from the permitted site.and to be disposed In accordance with federal state,endlor foal requirements. V .y mustppropna grape 7 MIN. Shown on Leaal' •etO_e.Ornament a for storageand di e veil conduct inspectionsINSPECTIONS in accordance with the frequency noted stave are Eats laareahave a m s m inbrtn users where ma dedicated err() () sposel ofZ • CHECKED By The operator(s)shallspit containment leis cpmaneg appropriate materials area(a)are located. her Plan hazardous and toxic wart. in the OPERATOR section ofthis sheet re g.,absorbent my I a pads brooms gloves sand etc)are available at 'Shown on scalaq QUALIFIED PERSONNEL • W • M.BOWSER appropriate d te locations, but f t f led to.d.igneted are.for stun cle and Dam Plan Sheet w Lebon(sl of DedicatedAree(a)for to storage of construm Ion 1�1V MIN. Aeons - equipment maims -vehicle and pu pment fueling;storage and deposal a t(a) products are materials it Plan Name(punt) • • SCALE coneln.shoh mete e.products andwaste,and storage and disposal of hazardous - - - _ __ _ •Approved MIN. SECTION A REVISIONS TO LOCATIONS and toxic materials,and sanitary wastefacilities. Plan -- N • NTS I The bwilons of N spill containment lees are iaentaied as described below. - - - Shed en L casonto a paeped s aya)1or storage Op ,ons) Phone • IL • REVISIONS TO LOCATIONS a. S �a)_ and dispose!of hazardous and toxic wastes Initials i I1 Shown on Shown a L«ston(s)of Oad.MAlr()for storage Operator(*) Additional inbrmalion is brayed N Tab 6 of the SWPPP Buller L� • Date Plan Sheet Lostion Der Pbn Sheet a conmuceon products and marnals Innate ABOFE GRADE COACFE7E WASHOUT AREA • 'As) coii I Z As the Op ter() Delegated Authority.IMe understand that par to initiating land • Approved _ _ _. mmmmm��.�. .: tester® the potentialpollutent aurae appropnab Mal .aura and all O REVISIONS TO LOCATIONS r A �.��.•� - r.poneibbp parties(operator.quadded inspection personnel, ea em)required F.� .•.,; Siren en as a condition f theGeneral Construction Perrot(GCP)and theSm te Pollution CIMI Date Plan Sheet I Shown on I Location Opendon) _ --- a �a'�._ur_�-_ur_�-_uri par PYn LoauoMs)or Oedeatbtl Area((for potable toilets Prevention PI (SWPPP)must be O.nfied also understand this-norm Oo must I Nat IrhRae I B ' One= s Shoal f(a) _ bar updated as necessary throughout all phases of construction unel the GCP is Shawn on Location(*)of Dedia.d*oafs)for waste from ►�I••.••. Approved emanated. J Data Pb ;.i i Ran construction Products and mate.. �\� - Furthermore APP.*d . ."'-.-.-1 REVISIONS TO LOCATIONS IMe artily under penalty of law that awe have read and understand all agars..of {,// • Plan E ...z •.i Shown on Area(e) portable OpsbBn(*1 the SWPPP(mown and.dmentmMro Pen.smnnwamrmanagemaM pan.pollution CO T�-`-a/�._a Dent oPanwn the SW d TMDL p dmnspar. de ge ter ma ern land GCP and that REVISIONS TO LOCATIONS r..-.r toilets Initials Cl..-I. Location(*)di fo d .�''--••�� V r Shad ale) the Mo s M the best of my knowiedpa and bah f cunm and Q D 1._ The op stone)alhal notify the Department of Emnrormental Quality of leaks sells Shown an wale Operator(*) -� e11 f_��Yr comPlee. r that tea ere agnrfiwm penett.fo bmrttng hbeZ Z q Loabonb)a Dedicated Area()+ peren(*J and other releases that discharge to or have the potentbt to decharge to surface D. Pan Neel r..�. informa luting the phsabilty of fine or inpnsenmenlfo knc rag violations 1 1 1 waters immediately upon der:ovary of the discharge but in m case leer than 24 I elf) from mMrucmn products and meteriets kerb 0a.. i at the discovery ._. ..1:1� end rendere tat awe are uNmately responsible for compliance t contractors all condtiond K Z - .1:11 Uwe and requirements of the SWPPP and GCP and for ensuring all contractors and ] I The openbr(c)shall sty the Department of n have One potential Oualty(DEO)of Irks subcontractors on the pemited sir are aware of the condibons antl requ re..a sip Its red Other r 1 that discharge to or have the laidint to oc discharge to : I , i staples(2 per the SWPPP and GCP re Ic: a suttee waters immediately upon discovery thethe discharge but n m case later Men • 24 al the decovery Witte Ltice of d acharge must be sent to DEO and • I tunes shall comply with all conditions teas and straw teak) cairn with fowl s gemeM authorities or privets!mist may the y requirements a the SWPPP and shall at all H County Department f Publc Works waF n five IS)days -- t r.urremenls for ticpo rag a hazardous materials antler soils mat may be Proarty operate and maahbb all measures and control u Y of the diacosery. contaminated with haz d t als. t men (and relay 0 Z VirBrns Department of Eneronmental I arner County pean•nt a Pubic ✓Follow all federal,state,and fowl rcoo the GCP which are instal.or teed to achieve compliance sum the conditions of /r 0 requirements that apply to the use handling and _ •Toeing wire ✓Never remove the in product lael from the container. Follow the the GCP Proper opation and me menance also includes adequate funding and \^t U 0_ Quality Works disposal of pealed.,herbicides,and fertilizers. �I. taw bale manufacturers recommended method of disposaladequate staffing. I.i W LL__�NEED ADDRESS P.O.Box 90Ty5 ✓Keep chemicals on-ate in small quantities and in closed.eel marked contrners. 7 MIN. •r•Y . . . ✓Schedule dic Cumein f portable toilets and di f waste J r (B04))pes t 8(phone) Hennco VA 23273 ✓ .._•.. - Para g o spew o Ida shall take all remade ceps to minimize or prevent any discharge in violation a 7 '- (tKN)]Bedside(ex) (BO0 5p1<747 (I.) Clean up solid waste.including bukding material*,garbage and debris on a daily wo Or metal ✓Depose of all solid wave at an authorized disposal site. ins SWPPP anchor GCP \` Ut z 4 IB00)463-3392(outside normal working (�4)501 74]5(.x) pave and deposit into covered P m pecans that are anodically emptied STAPLE DETAIL kes(2 per (1 W LLJ g 3 hours) i ✓Schedule waste collection to prevent exceeding the cepaaty of onsite containers T straw bale) Owe understand that e t determined by to Depaanent of Enurronmenml Quality(DEO) > _ . I Additional containers may be necessary depending on the phew of cm action SWPPP MODIFICATIONS AND REVISIONS in consultation with the State Waer Control Board at any time Nat Pomander W < LL! g leg..demolition.tic.) SECTION B discharges are wusag.have reasoned@ y stun al to cause«contribute to and \ ../ t 3 ✓Dispose dell sold waste at an authorized disposal ate r xwrsion above any applicable water gustily smndara the DEC/may.'n consultation / LL a EQUIPMENT 1 VEHICLE WASHING ✓ containers an L The operator(*)shad.-sure the sWPPP is modmetl a clan reeved m reflect vnth the Administrator like aprop tee enticement action and nq in II G d s Ensure that w re hew les or °ten.protect.from expceure to Prfcipretron. I Changes n qualified personnel,delegated authorities or other personnel required as a. Modification of control measures m adequately atldes stern quality ce K .FA Oo /Washing must he conducted rn a dedicated area mat a located m maximize the 1' •cananon of the General Construction Pemit con I- z .3 K R Pisan.from stem drain mkm,arches waerhocied or wetlands but no less than DISCHARGES FROM OTHER POTENTIAL POLLUTANT I Charges in sae mnditbns. b. Submission of valid am m .it end verifie data a information Nat an e O 50 feet from those features SOURCES •de. I Changes in the desgn.construction.operation.or maintenance of the construction representative of ambent conditions and indicate that the receiving water is p /All wash water used in lance whey:washing must be directed to a sediment deal Mks ate that ate/the potential for dismarg.of polutants that are not addressed in the atmming water quality standards.or . r B L n basnbap ✓Dlaeh rges from other pollutant se ( g water lineWaling,storm sewer t , normal implementationOreplan,and c. Cessation of Aacharges of pollute.from con.uclbn activlry and wlmt an ZQ J 'a p I All vends wit e.h rag activities other man wheel washing must nave secondary A+derg he pr«rd storage tanks lei i mention. Ixwh a must be 3'MIN. r_-rr •,• I Ineffective control ofmeasures identified dunng nskecso investigations Individual permit application ecoominpm/VAC2587pd10. rF w containment 'old @r@d •l 11 II conducted list to operators qualified personnel or owl,roar cadent Officials Q F _.1 t33 I I tech batty met have eppeopnde swage.Inform Other Potential Pollutant Soum. L wten(c) 1 Potential Pollutant Sources l Modihcemeslrewsbns m the SWPPP shell dude.drsonal control N., O e E ere the dedseted n or u area()are maned. - - measures m.ihee pl )m _'- —, - SECTION C to me identified deficiencies. OPERATORS)/DELEGATED AUTHORITY Q I. LO.deoa She co Water SourceName(pnnt) Signature Data f D i a Acdorty Doiliesiied Area(*)I shMn Location _ ,are modtheneifications/revisions a/nvdisions must be m@ require ono latero.ey me Ann 17)o.mr or OaysEO. O qq a Ns) I implemented no than seven(7)star dar days 0 / P. a Weal Wee CONCRETE WASHOUT AREA NOTES following approval. LL 5LLI °aK y c Oth' h If to necessary modifications/revisions Wnvistoes do not require approval by the Administrator, • Ee$ c Areas I The fealty east be lined N 10 mil plastic lining Nat is h.from holes,rats,or REVISIONS TO LOCATIONS other defects that chi event nor i!son as pad must he implemented poor to the red anticipas alarm M 11 N ✓Above ground o 1 emir tarts with a silo nit lane the motorist rap meabiaiB •sere or as soon as packable. found in Me SWPPP Bender Ca g prou Mortice ge p ly exceeding 1.320 gallons and ,The lining must be anchored 1h staples(2 spading)a sandbag. Additional contact information Call be S c Shown Ism a«reasonable expectation a a discharge'M or upon Waters of the JnaM slopes must De 11(hen rat veri SI Or antler m- Amity, Location of Weer Source Op@rebYf I Side D.afeaw �" Location Inllala Stabs a required to hew.Spill Prevention Comma and Countermeasure sPCC' U Ada() sheet e(s)' than. I Stone must be provided between the street and the concrete wee hoot area !I ✓The drschergs of conmmiafed flush water at material removed dun.flushing I A'Concrete Washout sign must be installed within 30 feet of the washout fadgty. c maracas must he maqure and disposed Of in accordance with appropriate The sign must be no smaller than 2'tall by 4'wide `o federal,sate,and loaf requirements. P¢gv g I 8I 4;t y 7 a2. 8 m C3.5 dg �i ! i / /,•\\ �A•; UNDERGROUND UTILITIES TOP=555 60 i / /,,\ \\ \\ MAY BE IN THE UPTOWN VILLAGE LLC \'---- INV IN(N,541V /51r / \ \ CONSTRUCTION AREA.THE -- - DB 3723 PG 740 NV rNIEI=54t 41 ' PARCEL ID 0320 0-00-00-05600 INV DUT=54,AI //^a / \ \ CONTRACTOR SHALL CALL I PRIMARY ZONING RI5 RESIDENTIAL j / / \ \ •M80URSPRIORT 1 TOP=52726 / ,` / -24•CMP RISER \ \ 1-800-552-7001481OURS PRIOR TO THE I I INV-54605 ,NV=54713 INV/N=5t997 i / TOP=52639 \ START OF EXCAVATION.CONTRACTOR SHALL DIR ONLY ASSUMED LOCATION / OIR ONLY rNV=54506 INV=539 2 t t RIP.RAP INV OUT=5t9 69 r / // INV 15'CMP UNOBSERV' E \ ASSUMED LOCATION f -rNV=553 37 / TOP=Sl4 39 OF EX WATER LINE VERIFY LOCATION AND ELEVATION OF ALL OF tX.WATER LINE TOP=55395 rNV=54606 INV lN(Wr=53?51 TOP=.i3763 NOT FIEiOI•ERIFIE7 / / W 4MTL PI- : NV=515. \` UNDERGROUND UTILITIES IN AREA OF E NV.1N-54336 �I•TOP=53f 17 I / / CONSTRUCTION PRIOR TO STARTING WORK. 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I 1 zile OVERALL SITE EARTHWORK ii'- r '� - OA _. `- r -COHEMICALVJASTE _ _ OM _ ISPOSAL AREA _ 1 :,:, , IR# ,-----77441fti..7--________ if' 4 J p' i = °/ CHAIN-AROUNDSAFETY CEMETERV I ��+\ `V'/: /� •' © O _--u-' j Z'-.E 7 I1 4, - _�`_ ��\�� j/ .� N:ETS PER BERI(AfAR y :!, '''' ti \` __ 1 - -•(�� , Ilk `\\ �r.1 CONCRETE/CHEMICAL WASHDRIVEEXP.INSIONPLANStd"•::: ,,1t42—'llgi v.._ / ,------. ,..13, ,\ 416111p ' 1.4 , HD pmT - / -�� f�i`�i+ �^T,�• •_ / / / i Ia/IFUELING AREA AND VEHICLE ASW C4LEn cVCAr PLAN SREET) O z 4 a j� 'r'fi - _A:`�3 -- �I % \ Alk 1 • STAGING AND ., //'�� Wo 1 Lam.• J J1160.......0 ° / .IV.0''..yi'''' �.�� _� 1 _ .S��A1Zy � __ �, 1P,� _ °•1110:ir � �� PARKING AREA � , ‘..t. / or..,,,,,....,,,,,,,,, •-____ / Miii ck vis. •••1',';" ' / ,0 LLI 9w > ' //? \ t Y.Yo�/I �� O� � `` A I \ VDOT CLASS 1 Al / ' / F ____ / / _ _ ! \ / RAP RAP(TVP.FOR ti (in 11 U d s .- ' 4 l �‘��C 1 ALL DO OUTFACES) /�P h 8 p Q rt �- r `_ ..� DISCHARGE FROM TIRE Ce Ce /// �� _. ` 1• w\_� I \\ WASHING AT CONSTRUCTION • O. I! z ♦>•� s` ��.��/ - ENTRANCE TO DITCH/CHECK m i° 5 !; L� - .. .6'\r,p �j A r�Z - DAMS RIP RAP POCKET / J �`1y� a/ a O fr "iv // � J ;y 3`i i._ i• i �~��'1'-�. j f %/// ��AQ C) IP E Q a. •e .I . a �/ UPTptYN L'IL.AGE.LLC \ \\j� ' �l 7L� Ce O OB 3323 PG.>40 �' � \ v`• ` a all: / V 0 X 2 t d PARCEL ID 03200-00-00-05300(IN PART, �� \- � \��•1111 Z� / w It F' PR/WARY ZONING RURAL © \•.\ iiiiif\/%, i -----••-- {'' ai E CO r` X ?'2.' CO t 'g a ( 1 OB NO. R �� 42297 ; SCALE 1,50• SHEET NO. 1.! ° sD DD' C3.6 1 vK v K o 0 o c 0cn Qa) n -0 CD C) C m (D (D C O -, fA 7 O fl) X N d �- w (7 C 'O - 7 G. N D) in N N p) 7 (� 0 O n 0 7' < co- 0. om• om EQoCC NOm (0 a.cn ymT o y �. j. 7' m m cQ co <.• v CD m a CD 5 fD u' a ,� 5• m cn 7 o 0C CI) (0 0 o -0C) -, 7- c c c C. c c c y cc, (D n 7 • • • Sediment • • • Nutrients, Fertilizer • • • • Heavy Metals • • • • pH (acids and bases) • Pesticides or Herbicides • • • Oil or Grease Bacteria or Viruses o CD 7 • • • • • • • Trash, Debris or Solids c,• • I • Toxic Chemicals o C ii • • • Paints or Plaster 7 • • • Adhesives, solvents or curing compounds • • • • Asphalt or Concrete • • • • Vehicle or heavy equipment wash water • • • Gasoline, diesel or kerosene • • • Wood preservatives • • • Antifreeze or coolant a =^ m o 7 n) 0, co- CD O N O O 7 stj-.47 7 a) cc, �. `�C (D (7 N N =,i O • 7 O-n- O O O < o r 0 cn cn S 5 5 p) co -o a) (7) m 0 CD CD CDi m a 0 , a a a a = m o' er v , m D o CD m m 7 N 0 o — ((1) (n CD 7 C U) * ifC CD (0 � <• cu (D CD (D u0 .0 (0 0 0 N m -0n c c c c 0 m A- D • • Sediment • • • Nutrients, Fertilizer • • Heavy Metals • • pH (acids and bases) • • Pesticides or Herbicides • • Oil or Grease • Bacteria or Viruses o CD 0 • • Trash, Debris or Solids v -o • • Toxic Chemicals ° c • Paints or Plaster 7 • Adhesives, solvents or curing compounds • Asphalt or Concrete • • • • Vehicle or heavy equipment wash water • • • • Gasoline, diesel or kerosene Wood preservatives • • • • Antifreeze or coolant n CD0 7 co gym -, X) 0 n s CD cn O N 7 m o 7 St St m 7 fD (p `< (n cow - " Cco m m (, =.4 o m � Anticipated from the Authorized Non-stormwater Discharges Construction Activity or support Activities (check if applicable) Discharges from firefighting activities Fire hydrant flushings Waters used to wash vehicles or equipment where soaps, solvents, or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge Water used to control dust that has been filtered, settled, or similarly treated prior to discharge Potable water sources, including uncontaminated waterline flushings Routine external building wash down where soaps, solvents, or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge Pavement wash waters where spills or leaks of toxic or hazardous materials have not occurrs (or where all spilled or leaked material has been removed prior to washing); where soaps, solvents, or detergents have not been used; and where the wash water has been filtered, settled, or similarly treated prior to discharge Uncontaminated air conditioning or compressor condensate Uncontaminated ground water or spring water Foundation or footing drains where flows are not contaminated with process materials such as solvents Uncontaminated excavation dewatering, including dewatering of trenches and excavations that have been filtered, settled, or similarly treated prior to discharge Landscape irrigation E. Persons responsible for pollution prevention practices (Provide the names and contact information for all persons responsible for prevention practices as listed above.) Breeden Construction,LLC Brandon Rogers 757-486-1000 brandonrogers@breedenconstruction.com F. Response and reporting practices Minimize discharges from spills and leaks.Minimize the discharge of pollutants from spills and leaks and implement chemical spill and leak prevention and response procedures as follows. Respond to all spills,leaks and discharges as follows; Report all spills,leaks and discharges as follows; (Provide detailed response and reporting practices according to 9VAC25-880-70, Part II, section A.4.e.) Oil,chemical or other hazardous substance spills in excess of reportable quantities,in accordance with the Permit(Appendix 1),will be reported to the Department in accordance with Part III G.of the Permit as soon as the discharge is discovered,but no later than 24 hours. A reportable quantity of oil is defined as a discharge to a surface water that causes a sheen,discoloration,and/or an emulsion. Reports will be made to the following:Virginia Department of Emergency Management Emergency Operations Center(EOC),Phone:(800)468-8892 Materials and equipment necessary for oil or chemical spill cleanup will be kept in the temporary material storage trailer onsite. Equipment will include,but not be limited to,brooms,dust pans,mops,rags,gloves,goggles,kitty litter,sand,saw dust,and plastic and metal trash containers. All oil or other chemical spills will be cleaned up immediately upon discovery. Spills large enough to reach the storm sewers will be reported to the National Response Center at 1-800-424-8802. Proper documentation is required and notifications must be made to the regulatory authorities within 24 hours of discovery. Spill reporting included both an initial report of the spill within 24 hours of the spill discovery and a 5- day spill letter,which documents the specific details of the spill. G. Pollution Prevention Awareness (Describe training and procedures to provide awareness and compliance for all measures in this document; waste management, wash waters, prevention measures, etc.) The Construction Activity Operator will be in charge of developing,sharing,and implementing a training program to provide awareness for all measures in this document.General best practices will be follows to enssure pollution prevention is clearly communicated and executed daily. Issued— 10/2014 Stonnwater Pollution Prevention Plan(SWPPP) Albemarle County Section 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. (Provide detailed measures for any applicable TMDL) See Attached Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Fact Sheets for Impaired (Category 4 or 5) Waters in 2018 James River Basin Cause Group Code:H26R-05-BEN Powell Creek Cause Location: Powell Creek(including all tributaries)from the headwaters downstream to its confluence with the South Fork Rivanna River. (Start Mile: 10.36 End Mile: 0.00 Total Impaired Size: 10.36 Miles) City/County: Albemarle Co. Use(s): Aquatic Life Cause(s)/VA Category: Benthic-Macroinvertebrate Bioassessments/5A This segment is impaired due to exceedences of the General Standard for Benthics at station: 2-PLC001.49(Impaired for VSCI), 2-PLC-PWL01-RCA(Impaired for VSCI)and 2-PWC-PWL03-RCA(Impaired for VSCI). Initial Listing Date; 2010 Cycle TMDL Cause First Dev. Water Assessment Unit / Water Name / Location Desc. Category Cause Name Listed Priority Size VAV-H26R_PLC01A10 / Powell Creek / Powell Creek and 5A Benthic-Macroinvertebrate 2010 H 10.36 tributaries from the headwaters downstream to its confluence with the Bioassessments South Fork Rivanna River. Powell Creek Estuary Reservoir River Aquatic Life (Sq.Miles) (Acres) (Miles) Benthic-Macroinvertebrate Bioassessments-Total Impaired Size by Water Type: 10.36 Sources: Non-Point Source Draft 2018 Appendix 5-969 Section 8. Qualified personnel The following personnel are responsible for inspections; ;Provide the name,telephone number, and qualifications of the qualified personnel conducting inspections.) See Attached Sheets Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County IDENTIFICATION OF QUALIFIED PERSONNEL In accordance with the General VPDES Permit for Discharges of Stormwater from Construction, the individuals responsible for conducting on-site and off-site inspections must be identified. If the identified individual changes or additional individuals are given this responsibility after the preconstruction meeting occurs, the changes/additions must be noted below. Print Name: Company: Address: Phone #: Qualifications: ❑ Responsible Land Disturber # ❑ Certified ESC Inspector # ❑ Certified SWM Inspector# ❑ Licensed Professional (P.E., L.S., etc.) ❑ Other: Print Name: Company: Address: Phone #: Qualifications: ❑ Responsible Land Disturber# ❑ Certified ESC Inspector # ❑ Certified SWM Inspector # ❑ Licensed Professional (P.E., L.S., etc.) ❑ Other: Print Name: Company: Address: Phone #: Qualifications: ❑ Responsible Land Disturber# ❑ Certified ESC Inspector# ❑ Certified SWM Inspector# ❑ Licensed Professional (P.E., L.S., etc.) ❑ Other: Print Name: Company: Address: Phone #: Qualifications: ❑ Responsible Land Disturber# ❑ Certified ESC Inspector# ❑ Certified SWM Inspector# ❑ Licensed Professional (P.E., L.S., etc.) ❑ Other: Section 9. Signed Certification (Provide certification according to 9VAC25-870-370) CERTIFICATION "I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system,or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." Operator Name: Brandon Rogers Company: Breeden Construction Title: Director of Safety and Environmental Signature: Date: T1r5--'14"'4> f,�,_ 3.4 Lie Issued— 10/2014 Stormwater Pollution Prevention Plan(SWPPP)Albemarle County Section 10. Delegation of authority. Provide the persons or positions with authority to sign inspection reports or to modify the stormwater pollution prevention plan. A formal, signed delegation of authority is needed.) Delegation of Authority I, (name),hereby designate the person or specifically described position below to be a duly authorized representative for the purpose of overseeing compliance with environmental requirements,including the Construction General Permit, at the construction site.The designee is authorized to sign any reports,stormwater pollution prevention plans and all other documents required by the permit. (name of person or position) (company) (address) (city,state,zip) (phone) By signing this authorization,I confirm that I meet the requirements to make such a designation as set forth in the Construction General Permit(CGP),and that the designee above meets the definition of a"duly authorized representative". Operator Name: Company: signature: Date: Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Revisions to Delegation of Authority The individuals or positions with delegated authority must be identified to sign inspection forms and modify the SWPPP, in accordance with the General VPDES Permit for Discharges of Stormwater from Construction Activities. If the identified individual on the cover sheet of the SWPPP changes,it must be noted below. Site: Name: Title: Company: Telephone: Signature: I certify the individual or position named above has the delegated authority to sign inspection forms and amend/modify the SWPPP. Operator Signature: Date: Name: Title: Company: Telephone: Signature: I certify the individual or position named above has the delegated authority to sign inspection forms and amend/modify the SWPPP. Operator Signature: Date: Section 11. General permit copy (Provide a copy of the construction general permit, 9VAC25-880) Issued 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County 7�-fiut rh"lA e"L1✓ COMMONWEALTH of VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY General Permit No.: VAR10 Effective Date: July 1, 2019 Expiration Date: June 30, 2024 GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM CONSTRUCTION ACTIVITIES AUTHORIZATION TO DISCHARGE UNDER THE VIRGINIA STORMWATER MANAGEMENT PROGRAM AND THE VIRGINIA STORMWATER MANAGEMENT ACT In compliance with the provisions of the Clean Water Act, as amended, and pursuant to the Virginia Stormwater Management Act and regulations adopted pursuant thereto, operators of construction activities are authorized to discharge to surface waters within the boundaries of the Commonwealth of Virginia, except those specifically named in State Water Control Board regulations that prohibit such discharges. The authorized discharge shall be in accordance with the registration statement filed with the Department of Environmental Quality, this cover page, Part I - Discharge Authorization and Special Conditions, Part II - Stormwater Pollution Prevention Plan, and Part III - Conditions Applicable to All VPDES Permits as set forth in this general permit. Construction General Permit Effective July 1, 2019 Page 2 of 26 PART I DISCHARGE AUTHORIZATION AND SPECIAL CONDITIONS A. Coverage under this general permit. 1. During the period beginning with the date of coverage under this general permit and lasting until the general permit's expiration date, the operator is authorized to discharge stormwater from construction activities. 2. This general permit also authorizes stormwater discharges from support activities (e.g., concrete or asphalt batch plants, equipment staging yards, material storage areas, excavated material disposal areas, borrow areas) located on-site or off-site provided that: a. The support activity is directly related to the construction activity that is required to have general permit coverage for discharges of stormwater from construction activities; b. The support activity is not a commercial operation, nor does it serve multiple unrelated construction activities by different operators; c. The support activity does not operate beyond the completion of the last construction activity it supports; d. The support activity is identified in the registration statement at the time of general permit coverage; e. Appropriate control measures are identified in a stormwater pollution prevention plan and implemented to address the discharges from the support activity areas; and f. All applicable state, federal, and local approvals are obtained for the support activity. B. Limitations on coverage. 1. Post-construction discharges. This general permit does not authorize stormwater discharges that originate from the site after construction activities have been completed and the site, including any support activity sites covered under the general permit registration, has undergone final stabilization. Post-construction industrial stormwater discharges may need to be covered by a separate VPDES permit. 2. Discharges mixed with nonstormwater. This general permit does not authorize discharges that are mixed with sources of nonstormwater, other than those discharges that are identified in Part I E (Authorized nonstormwater discharges) and are in compliance with this general permit. 3. Discharges covered by another state permit. This general permit does not authorize discharges of stormwater from construction activities that have been covered under an individual permit or required to obtain coverage under an alternative general permit. Page 3 of 26 4. Impaired waters and total maximum daily load (TMDL) limitation. a. Nutrient and sediment impaired waters. Discharges of stormwater from construction activities to surface waters identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit for(i) sediment or a sediment-related parameter (i.e., total suspended solids or turbidity) or (ii) nutrients (i.e., nitrogen or phosphorus) are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a stormwater pollution prevention plan (SWPPP) in accordance with Part II B 5 of this permit that minimizes the pollutants of concern and, when applicable, is consistent with the assumptions and requirements of the approved TMDL wasteload allocations and implements an inspection frequency consistent with Part II G 2 a. b. Polychlorinated biphenyl (PCB) impaired waters. Discharges of stormwater from construction activities that include the demolition of any structure with at least 10,000 square feet of floor space built or renovated before January 1, 1980, to surface waters identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit for PCB are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a SWPPP in accordance with Part II B 6 of this permit that minimizes the pollutants of concern and, when applicable, is consistent with the assumptions and requirements of the approved TMDL wasteload allocations, and implements an inspection frequency consistent with Part II G 2 a. 5. Exceptional waters limitation. Discharges of stormwater from construction activities not previously covered under the general permit effective on July 1, 2014, to exceptional waters identified in 9VAC25-260-30 A 3 c are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a SWPPP in accordance with Part II B 7 of this permit and implements an inspection frequency consistent with Part II G 2 a. 6. There shall be no discharge of floating solids or visible foam in other than trace amounts. C. Commingled discharges. Discharges authorized by this general permit may be commingled with other sources of stormwater that are not required to be covered under a state permit, so long as the commingled discharge is in compliance with this general permit. Discharges authorized by a separate state or VPDES permit may be commingled with discharges authorized by this general permit so long as all such discharges comply with all applicable state and VPDES permit requirements. D. Prohibition of nonstormwater discharges. Except as provided in Parts I A 2, I C, and I E, all discharges covered by this general permit shall be composed entirely of stormwater associated with construction activities. All other discharges including the following are prohibited: 1. Wastewater from washout of concrete; 2. Wastewater from the washout and cleanout of stucco, paint, form release oils, curing compounds, and other construction materials; Page 4 of 26 3. Fuels, oils, or other pollutants used in vehicle and equipment operation and maintenance; 4. Oils, toxic substances, or hazardous substances from spills or other releases; and 5. Soaps, solvents, or detergents used in equipment and vehicle washing. E. Authorized nonstormwater discharges. The following nonstormwater discharges from construction activities are authorized by this general permit when discharged in compliance with this general permit: 1. Discharges from firefighting activities; 2. Fire hydrant flushings; 3. Waters used to wash vehicles or equipment where soaps, solvents, or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge; 4. Water used to control dust that has been filtered, settled, or similarly treated prior to discharge; 5. Potable water sources, including uncontaminated waterline flushings, managed in a manner to avoid an instream impact; 6. Routine external building wash down where soaps, solvents or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge; 7. Pavement wash waters where spills or leaks of toxic or hazardous materials have not occurred (or where all spilled or leaked material has been removed prior to washing); where soaps, solvents, or detergents have not been used; and where the wash water has been filtered, settled, or similarly treated prior to discharge; 8. Uncontaminated air conditioning or compressor condensate; 9. Uncontaminated ground water or spring water; 10. Foundation or footing drains where flows are not contaminated with process materials such as solvents; 11. Uncontaminated excavation dewatering, including dewatering of trenches and excavations that have been filtered, settled, or similarly treated prior to discharge; and 12. Landscape irrigation. F. Termination of general permit coverage. 1. The operator of the construction activity shall submit a notice of termination in accordance with 9VAC25-880-60, unless a registration statement was not required to be submitted in accordance with 9VAC25-880-50 A 1 c or A 2 b for single-family detached residential structures, to the VSMP authority after one or more of the following conditions have been met: Page 5 of 26 a. Necessary permanent control measures included in the SWPPP for the site are in place and functioning effectively and final stabilization has been achieved on all portions of the site for which the operator has operational control. When applicable, long term responsibility and maintenance requirements for permanent control measures shall be recorded in the local land records prior to the submission of a complete and accurate notice of termination and the construction record drawing prepared; b. Another operator has assumed control over all areas of the site that have not been finally stabilized and obtained coverage for the ongoing discharge; c. Coverage under an alternative VPDES or state permit has been obtained; or d. For individual lots in residential construction only, final stabilization as defined in 9VAC25- 880-1 has been completed, including providing written notification to the homeowner and incorporating a copy of the notification and signed certification statement into the SWPPP, and the residence has been transferred to the homeowner. 2. The notice of termination shall be submitted no later than 30 days after one of the above conditions in subdivision 1 of this subsection is met. 3. Termination of authorization to discharge for the conditions set forth in subdivision 1 a of this subsection shall be effective upon notification from the department that the provisions of subdivision 1 a of this subsection have been met or 60 days after submittal of a complete and accurate notice of termination in accordance with 9VAC25-880-60 C, whichever occurs first. 4. Authorization to discharge terminates at midnight on the date that the notice of termination is submitted for the conditions set forth in subdivisions 1 b through 1 d of this subsection unless otherwise notified by the VSMP authority or department. 5. The notice of termination shall be signed in accordance with Part III K of this general permit. G. Water quality protection. 1. The operator shall select, install, implement, and maintain control measures as identified in the SWPPP at the construction site that minimize pollutants in the discharge as necessary to ensure that the operator's discharge does not cause or contribute to an excursion above any applicable water quality standard. 2. If it is determined by the department that the operator's discharges are causing, have reasonable potential to cause, or are contributing to an excursion above any applicable water quality standard, the department, in consultation with the VSMP authority, may take appropriate enforcement action and require the operator to: a. Modify or implement additional control measures in accordance with Part II C to adequately address the identified water quality concerns; b. Submit valid and verifiable data and information that are representative of ambient conditions and indicate that the receiving water is attaining water quality standards; or Page 6 of 26 c. Submit an individual permit application in accordance with 9VAC25-870-410 B 3. All written responses required under this chapter shall include a signed certification consistent with Part III K. PART II STORMWATER POLLUTION PREVENTION PLAN A. Stormwater pollution prevent plan. 1. A stormwater pollution prevention plan (SWPPP) shall be developed prior to the submission of a registration statement and implemented for the construction activity, including any support activity, covered by this general permit. SWPPPs shall be prepared in accordance with good engineering practices. Construction activities that are part of a larger common plan of development or sale and disturb less than one acre may utilize a SWPPP template provided by the department and need not provide a separate stormwater management plan if one has been prepared and implemented for the larger common plan of development or sale. 2. The SWPPP requirements of this general permit may be fulfilled by incorporating by reference other plans such as a spill prevention control and countermeasure(SPCC) plan developed for the site under § 311 of the federal Clean Water Act or best management practices (BMP) programs otherwise required for the facility provided that the incorporated plan meets or exceeds the SWPPP requirements of Part II B. All plans incorporated by reference into the SWPPP become enforceable under this general permit. If a plan incorporated by reference does not contain all of the required elements of the SWPPP, the operator shall develop the missing elements and include them in the SWPPP. 3. Any operator that was authorized to discharge under the general permit effective July 1, 2014, and that intends to continue coverage under this general permit, shall update its stormwater pollution prevention plan to comply with the requirements of this general permit no later than 60 days after the date of coverage under this general permit. B. Contents. The SWPPP shall include the following items: 1. General information. a. A signed copy of the registration statement, if required, for coverage under the general VPDES permit for discharges of stormwater from construction activities; b. Upon receipt, a copy of the notice of coverage under the general VPDES permit for discharges of stormwater from construction activities (i.e., notice of coverage letter); c. Upon receipt, a copy of the general VPDES permit for discharges of stormwater from construction activities; d. A narrative description of the nature of the construction activity, including the function of the project (e.g., low density residential, shopping mall, highway, etc.); e. A legible site plan identifying: Page 7 of 26 (1) Directions of stormwater flow and approximate slopes anticipated after major grading activities; (2) Limits of land disturbance including steep slopes and natural buffers around surface waters that will not be disturbed; (3) Locations of major structural and nonstructural control measures, including sediment basins and traps, perimeter dikes, sediment barriers, and other measures intended to filter, settle, or similarly treat sediment, that will be installed between disturbed areas and the undisturbed vegetated areas in order to increase sediment removal and maximize stormwater infiltration; (4) Locations of surface waters; (5) Locations where concentrated stormwater is discharged; (6) Locations of any support activities, including (i) areas where equipment and vehicle washing, wheel wash water, and other wash water is to occur; (ii) storage areas for chemicals such as acids, fuels, fertilizers, and other lawn care chemicals; (iii) concrete wash out areas; (iv) vehicle fueling and maintenance areas; (v) sanitary waste facilities, including those temporarily placed on the construction site; and (vi) construction waste storage; and (7) When applicable, the location of the on-site rain gauge or the methodology established in consultation with the VSMP authority used to identify measurable storm events for inspection as allowed by Part II G 2 a (1) (ii) or Part II G 2 b (2). 2. Erosion and sediment control plan. a. An erosion and sediment control plan designed and approved in accordance with the Virginia Erosion and Sediment Control Regulations (9VAC25-840), an "agreement in lieu of a plan" as defined in 9VAC25-840-10 from the VESCP authority, or an erosion and sediment control plan prepared in accordance with annual standards and specifications approved by the department. b. All erosion and sediment control plans shall include a statement describing the maintenance responsibilities required for the erosion and sediment controls used. c. An approved erosion and sediment control plan, "agreement in lieu of a plan," or erosion and sediment control plan prepared in accordance with department-approved annual standards and specifications, implemented to: (1) Control the volume and velocity of stormwater runoff within the site to minimize soil erosion; (2) Control stormwater discharges, including peak flow rates and total stormwater volume, to minimize erosion at outlets and to minimize downstream channel and stream bank 4 erosion; Page 8 of 26 (3) Minimize the amount of soil exposed during the construction activity; (4) Minimize the disturbance of steep slopes; (5) Minimize sediment discharges from the site in a manner that addresses(i)the amount, frequency, intensity, and duration of precipitation; (ii)the nature of resulting stormwater runoff; and (iii) soil characteristics, including the range of soil particle sizes present on the site; (6) Provide and maintain natural buffers around surface waters, direct stormwater to vegetated areas to increase sediment removal, and maximize stormwater infiltration, unless infeasible; (7) Minimize soil compaction and, unless infeasible, preserve topsoil; (8) Ensure initiation of stabilization activities, as defined in 9VAC25-880-1, of disturbed areas immediately whenever any clearing, grading, excavating, or other land- disturbing activities have permanently ceased on any portion of the site, or temporarily ceased on any portion of the site and will not resume for a period exceeding 14 days; and (9) Utilize outlet structures that withdraw stormwater from the surface (i.e., above the permanent pool or wet storage water surface elevation), unless infeasible, when discharging from sediment basins or sediment traps. 3. Stormwater management plan. a. Except for those projects identified in Part II B 3 b, a stormwater management plan approved by the VSMP authority as authorized under the Virginia Stormwater Management Program (VSMP) Regulation (9VAC25-870), or an "agreement in lieu of a stormwater management plan"as defined in 9VAC25-870-10 from the VSMP authority, or a stormwater management plan prepared in accordance with annual standards and specifications approved by the department. b. For any operator meeting the conditions of 9VAC25-870-47 B of the VSMP regulation, an approved stormwater management plan is not required. In lieu of an approved stormwater management plan, the SWPPP shall include a description of, and all necessary calculations supporting, all post-construction stormwater management measures that will be installed prior to the completion of the construction process to control pollutants in stormwater discharges after construction operations have been completed. Structural measures should be placed on upland soils to the degree possible. Such measures must be designed and installed in accordance with applicable VESCP authority, VSMP authority, state, and federal requirements, and any necessary permits must be obtained. 4. Pollution prevention plan. A pollution prevention plan that addresses potential pollutant- generating activities that may reasonably be expected to affect the quality of stormwater discharges from the construction activity, including any support activity. The pollution prevention plan shall: a. Identify the potential pollutant-generating activities and the pollutant that is expected to be exposed to stormwater; Page 9 of 26 b. Describe the location where the potential pollutant-generating activities will occur, or if identified on the site plan, reference the site plan; c. Identify all nonstormwater discharges, as authorized in Part I E of this general permit, that are or will be commingled with stormwater discharges from the construction activity, including any applicable support activity; d. Identify the person responsible for implementing the pollution prevention practice or practices for each pollutant-generating activity (if other than the person listed as the qualified personnel); e. Describe the pollution prevention practices and procedures that will be implemented to: (1) Prevent and respond to leaks, spills, and other releases including (i) procedures for expeditiously stopping, containing, and cleaning up spills, leaks, and other releases; and (ii) procedures for reporting leaks, spills, and other releases in accordance with Part III G; (2) Prevent the discharge of spilled and leaked fuels and chemicals from vehicle fueling and maintenance activities (e.g., providing secondary containment such as spill berms, decks, spill containment pallets, providing cover where appropriate, and having spill kits readily available); (3) Prevent the discharge of soaps, solvents, detergents, and wash water from construction materials, including the clean-up of stucco, paint, form release oils, and curing compounds (e.g., providing (i) cover (e.g., plastic sheeting or temporary roofs) to prevent contact with stormwater; (ii) collection and proper disposal in a manner to prevent contact with stormwater; and (iii) a similarly effective means designed to prevent discharge of these pollutants); (4) Minimize the discharge of pollutants from vehicle and equipment washing, wheel wash water, and other types of washing (e.g., locating activities away from surface waters and stormwater inlets or conveyance and directing wash waters to sediment basins or traps, using filtration devices such as filter bags or sand filters, or using similarly effective controls); (5) Direct concrete wash water into a leak-proof container or leak-proof settling basin. The container or basin shall be designed so that no overflows can occur due to inadequate sizing or precipitation. Hardened concrete wastes shall be removed and disposed of in a manner consistent with the handling of other construction wastes. Liquid concrete wastes shall be removed and disposed of in a manner consistent with the handling of other construction wash waters and shall not be discharged to surface waters; (6) Minimize the discharge of pollutants from storage, handling, and disposal of construction products, materials, and wastes including (i) building products such as asphalt sealants, copper flashing, roofing materials, adhesives, and concrete admixtures; (ii) pesticides, herbicides, insecticides, fertilizers, and landscape Page 10 of 26 materials; and (iii) construction and domestic wastes such as packaging materials, scrap construction materials, masonry products, timber, pipe and electrical cuttings, plastics, Styrofoam, concrete, and other trash or building materials; (7) Prevent the discharge of fuels, oils, and other petroleum products, hazardous or toxic wastes, waste concrete, and sanitary wastes; (8) Address any other discharge from the potential pollutant-generating activities not addressed above; (9) Minimize the exposure of waste materials to precipitation by closing or covering waste containers during precipitation events and at the end of the business day, or implementing other similarly effective practices. Minimization of exposure is not required in cases where the exposure to precipitation will not result in a discharge of pollutants; and f. Describe procedures for providing pollution prevention awareness of all applicable wastes, including any wash water, disposal practices, and applicable disposal locations of such wastes, to personnel in order to comply with the conditions of this general permit. The operator shall implement the procedures described in the SWPPP. 5. SWPPP requirements for discharges to nutrient and sediment impaired waters. For discharges to surface waters (i) identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or (ii) with an applicable TMDL wasteload allocation established and approved prior to the term of this general permit for sediment for a sediment- related parameter (i.e., total suspended solids or turbidity) or nutrients (i.e., nitrogen or phosphorus), the operator shall: a. Identify the impaired waters, approved TMDLs, and pollutants of concern in the SWPPP; and b. Provide clear direction in the SWPPP that: (1) Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; (2) Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and (3) A modified inspection schedule shall be implemented in accordance with Part II G 2 a. 6. SWPPP requirements for discharges to polychlorinated biphenyl (PCB) impaired waters. For discharges from construction activities that include the demolition of any structure with at least 10,000 square feet of floor space built or renovated before January 1, 1980, to surface waters (i) identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or(ii) with an applicable TMDL wasteload allocation established and approved prior to the term of this general permit for PCB, the operator shall: Page 11 of 26 a. Identify the impaired waters, approved TMDLs, and pollutant of concern in the SWPPP; b. Implement the approved erosion and sediment control plan in accordance with Part II B 2; c. Dispose of waste materials in compliance with applicable state, federal, and local requirements; and d. Implement a modified inspection schedule in accordance with Part II G 2 a. 7. SWPPP requirements for discharges to exceptional waters. For discharges to surface waters identified in 9VAC25-260-30 A 3 c as an exceptional water, the operator shall: a. Identify the exceptional surface waters in the SWPPP; and b. Provide clear direction in the SWPPP that: (1) Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; (2) Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and (3) A modified inspection schedule shall be implemented in accordance with Part II G 2 a. 8. Identification of qualified personnel. The name, phone number, and qualifications of the qualified personnel conducting inspections required by this general permit. 9. Delegation of authority. The individuals or positions with delegated authority, in accordance with Part III K, to sign inspection reports or modify the SWPPP. 10. SWPPP signature. The SWPPP shall be signed and dated in accordance with Part Ill K. C. SWPPP amendments, modification, and updates. 1. The operator shall amend the SWPPP whenever there is a change in the design, construction, operation, or maintenance that has a significant effect on the discharge of pollutants to surface waters and that has not been previously addressed in the SWPPP. 2. The SWPPP shall be amended if, during inspections or investigations by the operator's qualified personnel, or by local, state, or federal officials, it is determined that the existing control measures are ineffective in minimizing pollutants in discharges from the construction activity. Revisions to the SWPPP shall include additional or modified control measures designed and implemented to correct problems identified. If approval by the VESCP authority, VSMP authority, or department is necessary for the control measure, revisions to the SWPPP shall be completed no later than seven calendar days following approval. Implementation of these additional or modified control measures shall be accomplished as described in Part II H. Page 12 of 26 3. The SWPPP shall clearly identify the contractors that will implement and maintain each control measure identified in the SWPPP. The SWPPP shall be amended to identify any new contractor that will implement and maintain a control measure. 4. The operator shall update the SWPPP as soon as possible but no later than seven days following any modification to its implementation. All modifications or updates to the SWPPP shall be noted and shall include the following items: a. A record of dates when: (1) Major grading activities occur; (2) Construction activities temporarily or permanently cease on a portion of the site; and (3) Stabilization measures are initiated; b. Documentation of replaced or modified controls where periodic inspections or other information have indicated that the controls have been used inappropriately or incorrectly and were modified; c. Areas that have reached final stabilization and where no further SWPPP or inspection requirements apply; d. All properties that are no longer under the legal control of the operator and the dates on which the operator no longer had legal control over each property; e. The date of any prohibited discharges, the discharge volume released, and what actions were taken to minimize the impact of the release; f. Measures taken to prevent the reoccurrence of any prohibited discharge; and g. Measures taken to address any evidence identified as a result of an inspection required under Part II G. 5. Amendments, modifications, or updates to the SWPPP shall be signed in accordance with Part III K. D. Public notification. Upon commencement of land disturbance, the operator shall post conspicuously a copy of the notice of coverage letter near the main entrance of the construction activity. For linear projects, the operator shall post the notice of coverage letter at a publicly accessible location near an active part of the construction project (e.g., where a pipeline crosses a public road). The operator shall maintain the posted information until termination of general permit coverage as specified in Part I F. E. SWPPP availability. 1. Operators with day-to-day operational control over SWPPP implementation shall have a copy of the SWPPP available at a central location on-site for use by those identified as having responsibilities under the SWPPP whenever they are on the construction site. Page 13 of 26 2. The operator shall make the SWPPP and all amendments, modifications, and updates available upon request to the department, the VSMP authority, the EPA,the VESCP authority, local government officials, or the operator of a municipal separate storm sewer system receiving discharges from the construction activity. If an on-site location is unavailable to store the SWPPP when no personnel are present, notice of the SWPPP's location shall be posted near the main entrance of the construction site. 3. The operator shall make the SWPPP available for public review in an electronic format or in hard copy. Information for public access to the SWPPP shall be posted and maintained in accordance with Part II D. If not provided electronically, public access to the SWPPP may be arranged upon request at a time and at a publicly accessible location convenient to the operator or his designee but shall be no less than once per month and shall be during normal business hours. Information not required to be contained within the SWPPP by this general permit is not required to be released. F. SWPPP implementation. The operator shall implement the SWPPP and subsequent amendments, modifications, and updates from commencement of land disturbance until termination of general permit coverage as specified in Part I F. 1. All control measures shall be properly maintained in effective operating condition in accordance with good engineering practices and, where applicable, manufacturer specifications. If a site inspection required by Part II G identifies a control measure that is not operating effectively, corrective actions shall be completed as soon as practicable, but no later than seven days after discovery or a longer period as established by the VSMP authority, to maintain the continued effectiveness of the control measures. 2. If site inspections required by Part II G identify an existing control measure that needs to be modified or if an additional or alternative control measure is necessary for any reason, implementation shall be completed prior to the next anticipated measurable storm event. If implementation prior to the next anticipated measurable storm event is impracticable, then additional or alternative control measures shall be implemented as soon as practicable, but no later than seven days after discovery or a longer period as established by the VSMP authority. G. SWPPP Inspections. 1. Personnel responsible for on-site and off-site inspections. Inspections required by this general permit shall be conducted by the qualified personnel identified by the operator in the SWPPP. The operator is responsible for ensuring that the qualified personnel conduct the inspection. 2. Inspection schedule. a. For construction activities that discharge to a surface water identified in Part II B 5 and B 6 as impaired or having an approved TMDL or Part I B 7 as exceptional, the following inspection schedule requirements apply: (1) Inspections shall be conducted at a frequency of(i) at least once every four business days or(ii) at least once every five business days and no later than 24 hours following a measurable storm event. In the event that a measurable storm event occurs when Page 14 of 26 there are more than 24 hours between business days, the inspection shall be conducted on the next business day; and (2) Representative inspections as authorized in Part II G 2 d shall not be allowed. b. Except as specified in Part II G 2 a, inspections shall be conducted at a frequency of: (1) At least once every five business days; or (2) At least once every 10 business days and no later than 24 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 24 hours between business days, the inspection shall be conducted on the next business day. c. Where areas have been temporarily stabilized or land-disturbing activities will be suspended due to continuous frozen ground conditions and stormwater discharges are unlikely, the inspection frequency described in Part II G 2 a and 2 b may be reduced to once per month. If weather conditions (such as above freezing temperatures or rain or snow events) make discharges likely, the operator shall immediately resume the regular inspection frequency. d. Except as prohibited in Part II G 2 a (2), representative inspections may be utilized for utility line installation, pipeline construction, or other similar linear construction activities provided that: (1) Temporary or permanent soil stabilization has been installed and vehicle access may compromise the temporary or permanent soil stabilization and potentially cause additional land disturbance increasing the potential for erosion; (2) Inspections occur on the same frequency as other construction activities; (3) Control measures are inspected along the construction site 0.25 miles above and below each access point (i.e., where a roadway, undisturbed right-of-way, or other similar feature intersects the construction activity and access does not compromise temporary or permanent soil stabilization); and (4) Inspection locations are provided in the inspection report required by Part II G. e. If adverse weather causes the safety of the inspection personnel to be in jeopardy, the inspection may be delayed until the next business day on which it is safe to perform the inspection. Any time inspections are delayed due to adverse weather conditions, evidence of the adverse weather conditions shall be included in the SWPPP with the dates of occurrence. 3. Inspection requirements. a. As part of the inspection, the qualified personnel shall: (1) Record the date and time of the inspection and, when applicable, the date and rainfall amount of the last measurable storm event; Page 15 of 26 (2) Record the information and a description of any discharges occurring at the time of the inspection or evidence of discharges occurring prior to the inspection; (3) Record any land-disturbing activities that have occurred outside of the approved erosion and sediment control plan; (4) Inspect the following for installation in accordance with the approved erosion and sediment control plan, identification of any maintenance needs, and evaluation of effectiveness in minimizing sediment discharge, including whether the control has been inappropriately or incorrectly used: (a) All perimeter erosion and sediment controls, such as silt fence; (b) Soil stockpiles, when applicable, and borrow areas for stabilization or sediment trapping measures; (c) Completed earthen structures, such as dams, dikes, ditches, and diversions for stabilization and effective impoundment or flow control; (d) Cut and fill slopes; (e) Sediment basins and traps, sediment barriers, and other measures installed to control sediment discharge from stormwater; (f) Temporary or permanent channels, flumes, or other slope drain structures installed to convey concentrated runoff down cut and fill slopes; (g) Storm inlets that have been made operational to ensure that sediment laden stormwater does not enter without first being filtered or similarly treated; and (h) Construction vehicle access routes that intersect or access paved or public roads for minimizing sediment tracking; (5) Inspect areas that have reached final grade or that will remain dormant for more than 14 days to ensure: (a) Initiation of stabilization activities have occurred immediately, as defined in 9VAC25-880-1; and (b) Stabilization activities have been completed within seven days of reaching grade or stopping work; (6) Inspect for evidence that the approved erosion and sediment control plan, "agreement in lieu of a plan," or erosion and sediment control plan prepared in accordance with department-approved annual standards and specifications has not been properly implemented. This includes: Page 16 of 26 (a) Concentrated flows of stormwater in conveyances such as rills, rivulets, or channels that have not been filtered, settled, or similarly treated prior to discharge, or evidence thereof; (b) Sediment laden or turbid flows of stormwater that have not been filtered or settled to remove sediments prior to discharge; (c) Sediment deposition in areas that drain to unprotected stormwater inlets or catch basins that discharge to surface waters. Inlets and catch basins with failing sediment controls due to improper installation, lack of maintenance, or inadequate design are considered unprotected; (d) Sediment deposition on any property (including public and private streets) outside of the construction activity covered by this general permit; (e) Required stabilization has not been initiated or completed or is not effective on portions of the site; (f) Sediment basins without adequate wet or dry storage volume or sediment basins that allow the discharge of stormwater from below the surface of the wet storage portion of the basin; (g) Sediment traps without adequate wet or dry storage or sediment traps that allow the discharge of stormwater from below the surface of the wet storage portion of the trap; and (h) Land disturbance or sediment deposition outside of the approved area to be disturbed; (7) Inspect pollutant generating activities identified in the pollution prevention plan for the proper implementation, maintenance, and effectiveness of the procedures and practices; (8) Identify any pollutant generating activities not identified in the pollution prevention plan; and (9) Identify and document the presence of any evidence of the discharge of pollutants prohibited by this general permit. 4. Inspection report. Each inspection report shall include the following items: a. The date and time of the inspection and, when applicable, the date and rainfall amount of the last measurable storm event; b. Summarized findings of the inspection; c. The locations of prohibited discharges; d. The locations of control measures that require maintenance; Page 17 of 26 • e. The locations of control measures that failed to operate as designed or proved inadequate or inappropriate for a particular location; f. The locations where any evidence identified under Part II G 3 a (6) exists; g. The locations where any additional control measure is needed; h. A list of corrective actions required (including any changes to the SWPPP that are necessary) as a result of the inspection or to maintain permit compliance; i. Documentation of any corrective actions required from a previous inspection that have not been implemented; and j. The date and signature of the qualified personnel and the operator or its duly authorized representative. 5. The inspection report shall be included into the SWPPP no later than four business days after the inspection is complete. 6. The inspection report and any actions taken in accordance with Part II shall be retained by the operator as part of the SWPPP for at least three years from the date that general permit coverage expires or is terminated. The inspection report shall identify any incidents of noncompliance.Where an inspection report does not identify any incidents of noncompliance, the report shall contain a certification that the construction activity is in compliance with the SWPPP and this general permit. The report shall be signed in accordance with Part III K of this general permit. H. Corrective actions. 1. The operator shall implement the corrective actions identified as a result of an inspection as soon as practicable but no later than seven days after discovery or a longer period as approved by the VSMP authority. If approval of a corrective action by a regulatory authority (e.g., VSMP authority, VESCP authority, or the department) is necessary, additional control measures shall be implemented to minimize pollutants in stormwater discharges until such approvals can be obtained. 2. The operator may be required to remove accumulated sediment deposits located outside of the construction activity covered by this general permit as soon as practicable in order to minimize environmental impacts. The operator shall notify the VSMP authority and the department as well as obtain all applicable federal, state, and local authorizations, approvals, and permits prior to the removal of sediments accumulated in surface waters including wetlands. Page 18 of 26 PART III CONDITIONS APPLICABLE TO ALL VPDES PERMITS NOTE: Discharge monitoring is not required for this general permit. If the operator chooses to monitor stormwater discharges or control measures, the operator shall comply with the requirements of subsections A, B, and C, as appropriate. A. Monitoring. 1. Samples and measurements taken for the purpose of monitoring shall be representative of the monitoring activity. 2. Monitoring shall be conducted according to procedures approved under 40 CFR Part 136 or alternative methods approved by the U.S. Environmental Protection Agency, unless other procedures have been specified in this general permit. Analyses performed according to test procedures approved under 40 CFR Part 136 shall be performed by an environmental laboratory certified under regulations adopted by the Department of General Services (1 VAC30-45 or 1 VAC30-46). 3. The operator shall periodically calibrate and perform maintenance procedures on all monitoring and analytical instrumentation at intervals that will ensure accuracy of measurements. B. Records. 1. Monitoring records and reports shall include: a. The date, exact place, and time of sampling or measurements; b. The individuals who performed the sampling or measurements; c. The dates and times analyses were performed; d. The individuals who performed the analyses; e. The analytical techniques or methods used; and f. The results of such analyses. 2. The operator shall retain records of all monitoring information, including all calibration and maintenance records and all original strip chart recordings for continuous monitoring instrumentation, copies of all reports required by this general permit, and records of all data used to complete the registration statement for this general permit, for a period of at least three years from the date of the sample, measurement, report or request for coverage. This period of retention shall be extended automatically during the course of any unresolved litigation regarding the regulated activity or regarding control standards applicable to the operator, or as requested by the board. C. Reporting monitoring results. Page 19 of 26 1. The operator shall update the SWPPP to include the results of the monitoring as may be performed in accordance with this general permit, unless another reporting schedule is specified elsewhere in this general permit. 2. Monitoring results shall be reported on a discharge monitoring report (DMR); on forms provided, approved or specified by the department; or in any format provided that the date, location, parameter, method, and result of the monitoring activity are included. 3. If the operator monitors any pollutant specifically addressed by this general permit more frequently than required by this general permit using test procedures approved under 40 CFR Part 136 or using other test procedures approved by the U.S. Environmental Protection Agency or using procedures specified in this general permit,the results of this monitoring shall be included in the calculation and reporting of the data submitted in the DMR or reporting form specified by the department. 4. Calculations for all limitations which require averaging of measurements shall utilize an arithmetic mean unless otherwise specified in this general permit. D. Duty to provide information. The operator shall furnish, within a reasonable time, any information which the board may request to determine whether cause exists for terminating this general permit coverage or to determine compliance with this general permit. The board, department, EPA, or VSMP authority may require the operator to furnish, upon request, such plans, specifications, and other pertinent information as may be necessary to determine the effect of the wastes from his discharge on the quality of surface waters, or such other information as may be necessary to accomplish the purposes of the CWA and the Virginia Stormwater Management Act. The operator shall also furnish to the board, department, EPA, or VSMP authority, upon request, copies of records required to be kept by this general permit. E. Compliance schedule reports. Reports of compliance or noncompliance with, or any progress reports on, interim and final requirements contained in any compliance schedule of this general permit shall be submitted no later than 14 days following each schedule date. F. Unauthorized stormwater discharges. Pursuant to § 62.1-44.5 of the Code of Virginia, except in compliance with a state permit issued by the department, it shall be unlawful to cause a stormwater discharge from a construction activity. G. Reports of unauthorized discharges. Any operator who discharges or causes or allows a discharge of sewage, industrial waste, other wastes or any noxious or deleterious substance or a hazardous substance or oil in an amount equal to or in excess of a reportable quantity established under either 40 CFR Part 110, 40 CFR Part 117, 40 CFR Part 302, or§62.1-44.34:19 of the Code of Virginia that occurs during a 24-hour period into or upon surface waters or who discharges or causes or allows a discharge that may reasonably be expected to enter surface waters, shall notify the Department of Environmental Quality of the discharge immediately upon discovery of the discharge, but in no case later than within 24 hours after said discovery. A written report of the unauthorized discharge shall be submitted to the department and the VSMP authority within five days of discovery of the discharge. The written report shall contain: 1. A description of the nature and location of the discharge; 2. The cause of the discharge; Page 20 of 26 3. The date on which the discharge occurred; 4. The length of time that the discharge continued; 5. The volume of the discharge; 6. If the discharge is continuing, how long it is expected to continue; 7. If the discharge is continuing, what the expected total volume of the discharge will be; and 8. Any steps planned or taken to reduce, eliminate and prevent a recurrence of the present discharge or any future discharges not authorized by this general permit. Discharges reportable to the department and the VSMP authority under the immediate reporting requirements of other regulations are exempted from this requirement. H. Reports of unusual or extraordinary discharges. If any unusual or extraordinary discharge including a "bypass" or"upset," as defined in this general permit, should occur from a facility and the discharge enters or could be expected to enter surface waters, the operator shall promptly notify, in no case later than within 24 hours, the department and the VSMP authority by telephone after the discovery of the discharge. This notification shall provide all available details of the ' incident, including any adverse effects on aquatic life and the known number of fish killed. The operator shall reduce the report to writing and shall submit it to the department and the VSMP authority within five days of discovery of the discharge in accordance with Part III 12. Unusual and extraordinary discharges include any discharge resulting from: 1. Unusual spillage of materials resulting directly or indirectly from processing operations; 2. Breakdown of processing or accessory equipment; 3. Failure or taking out of service of some or all of the facilities; and 4. Flooding or other acts of nature. I. Reports of noncompliance. The operator shall report any noncompliance which may adversely affect surface waters or may endanger public health. 1. An oral report to the department and the VSMP authority shall be provided within 24 hours from the time the operator becomes aware of the circumstances. The following shall be included as information that shall be reported within 24 hours under this subdivision: a. Any unanticipated bypass; and b. Any upset that causes a discharge to surface waters. 2. A written report shall be submitted within five days and shall contain: a. A description of the noncompliance and its cause; Page 21 of 26 b. The period of noncompliance, including exact dates and times, and if the noncompliance has not been corrected, the anticipated time it is expected to continue; and c. Steps taken or planned to reduce, eliminate, and prevent reoccurrence of the noncompliance. The department may waive the written report on a case-by-case basis for reports of noncompliance under Part Ill I if the oral report has been received within 24 hours and no adverse impact on surface waters has been reported. 3. The operator shall report all instances of noncompliance not reported under Part III 11 or 2 in writing as part of the SWPPP. The reports shall contain the information listed in Part III 12. NOTE: The reports required in Part Ill G, H and I shall be made to the department and the VSMP authority. Reports may be made by telephone, email, or by fax. For reports outside normal working hours, leaving a recorded message shall fulfill the immediate reporting requirement. For emergencies, the Virginia Department of Emergency Management maintains a 24-hour telephone service at 1-800-468-8892. 4. Where the operator becomes aware of a failure to submit any relevant facts, or submittal of incorrect information in any report, including a registration statement, to the department or the VSMP authority, the operator shall promptly submit such facts or correct information. J. Notice of planned changes. 1. The operator shall give notice to the department and the VSMP authority as soon as possible of any planned physical alterations or additions to the permitted facility or activity. Notice is required only when: a. The operator plans an alteration or addition to any building, structure,facility, or installation that may meet one of the criteria for determining whether a facility is a new source in 9VAC25-870-420; b. The operator plans an alteration or addition that would significantly change the nature or increase the quantity of pollutants discharged. This notification applies to pollutants that are not subject to effluent limitations in this general permit; or 2. The operator shall give advance notice to the department and VSMP authority of any planned changes in the permitted facility or activity, which may result in noncompliance with state permit requirements. K. Signatory requirements. 1. Registration statement. All registration statements shall be signed as follows: a. For a corporation: by a responsible corporate officer. For the purpose of this chapter, a responsible corporate officer means: (i) a president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy-making or decision-making functions for the corporation; or(ii) the manager of one or more manufacturing, production, or operating facilities, provided the Page 22 of 26 manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for state permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures; b. For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or c. For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official. For purposes of this chapter, a principal executive officer of a public agency includes (i) the chief executive officer of the agency or (ii) a senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. 2. Reports and other information. All reports required by this general permit, including SWPPPs, and other information requested by the board or the department shall be signed by a person described in Part III K 1 or by a duly authorized representative of that person. A person is a duly authorized representative only if: a. The authorization is made in writing by a person described in Part III K 1; b. The authorization specifies either an individual or a position having responsibility for the overall operation of the regulated facility or activity such as the position of plant manager, operator of a well or a well field, superintendent, position of equivalent responsibility, or an individual or position having overall responsibility for environmental matters for the operator. (A duly authorized representative may thus be either a named individual or any individual occupying a named position); and c. The signed and dated written authorization is included in the SWPPP. A copy shall be provided to the department and VSMP authority, if requested. 3. Changes to authorization. If an authorization under Part III K 2 is no longer accurate because a different individual or position has responsibility for the overall operation of the construction activity, a new authorization satisfying the requirements of Part III K 2 shall be submitted to the VSMP authority as the administering entity for the board prior to or together with any reports or information to be signed by an authorized representative. 4. Certification. Any person signing a document under Part III K 1 or 2 shall make the following certification: 5. "I certify under penalty of law that I have read and understand this document and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant Page 23 of 26 penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." L. Duty to comply. The operator shall comply with all conditions of this general permit. Any state permit noncompliance constitutes a violation of the Virginia Stormwater Management Act and the Clean Water Act, except that noncompliance with certain provisions of this general permit may constitute a violation of the Virginia Stormwater Management Act but not the Clean Water Act. Permit noncompliance is grounds for enforcement action; for state permit coverage, termination, revocation and reissuance, or modification; or denial of a state permit renewal application. The operator shall comply with effluent standards or prohibitions established under § 307(a) of the Clean Water Act for toxic pollutants within the time provided in the regulations that establish these standards or prohibitions or standards for sewage sludge use or disposal, even if this general permit has not yet been modified to incorporate the requirement. M. Duty to reapply. If the operator wishes to continue an activity regulated by this general permit after the expiration date of this general permit, the operator shall submit a new registration statement at least 60 days before the expiration date of the existing general permit, unless permission for a later date has been granted by the board. The board shall not grant permission for registration statements to be submitted later than the expiration date of the existing general permit. N. Effect of a state permit. This general permit does not convey any property rights in either real or personal property or any exclusive privileges, nor does it authorize any injury to private property or invasion of personal rights, or any infringement of federal, state or local law or regulations. O. State law. Nothing in this general permit shall be construed to preclude the institution of any legal action under, or relieve the operator from any responsibilities, liabilities, or penalties established pursuant to any other state law or regulation or under authority preserved by§ 510 of the Clean Water Act. Except as provided in general permit conditions on "bypassing" (Part III U) and "upset" (Part III V), nothing in this general permit shall be construed to relieve the operator from civil and criminal penalties for noncompliance. P. Oil and hazardous substance liability. Nothing in this general permit shall be construed to preclude the institution of any legal action or relieve the operator from any responsibilities, liabilities, or penalties to which the operator is or may be subject under§§ 62.1-44.34:14 through 62.1-44.34:23 of the State Water Control Law or§ 311 of the Clean Water Act. Q. Proper operation and maintenance. The operator shall at all times properly operate and maintain all facilities and systems of treatment and control (and related appurtenances), which are installed or used by the operator to achieve compliance with the conditions of this general permit. Proper operation and maintenance also includes effective plant performance, adequate funding, adequate staffing, and adequate laboratory and process controls, including appropriate quality assurance procedures. This provision requires the operation of back-up or auxiliary facilities or similar systems, which are installed by the operator only when the operation is necessary to achieve compliance with the conditions of this general permit. R. Disposal of solids or sludges. Solids, sludges or other pollutants removed in the course of treatment or management of pollutants shall be disposed of in a manner so as to prevent any pollutant from such materials from entering surface waters and in compliance with all applicable state and federal laws and regulations. Page 24 of 26 S. Duty to mitigate. The operator shall take all steps to minimize or prevent any discharge in violation of this general permit that has a reasonable likelihood of adversely affecting human health or the environment. T. Need to halt or reduce activity not a defense. It shall not be a defense for an operator in an enforcement action that it would have been necessary to halt or reduce the permitted activity in order to maintain compliance with the conditions of this general permit. U. Bypass. 1. "Bypass," as defined in 9VAC25-870-10, means the intentional diversion of waste streams from any portion of a treatment facility. The operator may allow any bypass to occur that does not cause effluent limitations to be exceeded, but only if it also is for essential maintenance to ensure efficient operation. These bypasses are not subject to the provisions of Part III U 2 and 3. 2. Notice. a. Anticipated bypass. If the operator knows in advance of the need for a bypass, the operator shall submit prior notice to the department, if possible at least 10 days before the date of the bypass. b. Unanticipated bypass. The operator shall submit notice of an unanticipated bypass as required in Part III I. 3. Prohibition of bypass. a. Except as provided in Part III U 1, bypass is prohibited, and the board or department may take enforcement action against an operator for bypass unless: (1) Bypass was unavoidable to prevent loss of life, personal injury, or severe property damage. Severe property damage means substantial physical damage to property, damage to the treatment facilities that causes them to become inoperable, or substantial and permanent loss of natural resources that can reasonably be expected to occur in the absence of a bypass. Severe property damage does not mean economic loss caused by delays in production; (2) There were no feasible alternatives to the bypass, such as the use of auxiliary treatment facilities, retention of untreated wastes, or maintenance during normal periods of equipment downtime. This condition is not satisfied if adequate back-up equipment should have been installed in the exercise of reasonable engineering judgment to prevent a bypass that occurred during normal periods of equipment downtime or preventive maintenance; and (3) The operator submitted notices as required under Part III U 2. b. The department may approve an anticipated bypass, after considering its adverse effects, if the department determines that it will meet the three conditions listed in Part III U 3 a. Page 25 of 26 V. Upset. 1. An "upset," as defined in 9VAC25-870-10, means an exceptional incident in which there is unintentional and temporary noncompliance with technology-based state permit effluent limitations because of factors beyond the reasonable control of the operator. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive maintenance, or careless or improper operation. 2. An upset constitutes an affirmative defense to an action brought for noncompliance with technology-based state permit effluent limitations if the requirements of Part III V 4 are met. A determination made during administrative review of claims that noncompliance was caused by upset, and before an action for noncompliance, is not a final administrative action subject to judicial review. 3. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventative maintenance, or careless or improper operation. 4. An operator who wishes to establish the affirmative defense of upset shall demonstrate, through properly signed, contemporaneous operating logs or other relevant evidence that: a. An upset occurred and that the operator can identify the cause of the upset; b. The permitted facility was at the time being properly operated; c. The operator submitted notice of the upset as required in Part III I; and d. The operator complied with any remedial measures required under Part III S. 5. In any enforcement proceeding, the operator seeking to establish the occurrence of an upset has the burden of proof. W. Inspection and entry. The operator shall allow the department as the board's designee, the VSMP authority, EPA, or an authorized representative of either entity (including an authorized contractor), upon presentation of credentials and other documents as may be required by law to: 1. Enter upon the operator's premises where a regulated facility or activity is located or conducted, or where records shall be kept under the conditions of this general permit; 2. Have access to and copy, at reasonable times, any records that shall be kept under the conditions of this general permit; 3. Inspect and photograph at reasonable times any facilities, equipment (including monitoring and control equipment), practices, or operations regulated or required under this general permit; and 4. Sample or monitor at reasonable times, for the purposes of ensuring state permit compliance or as otherwise authorized by the Clean Water Act or the Virginia Stormwater Management Act, any substances or parameters at any location. Page 26 of 26 For purposes of this section, the time for inspection shall be deemed reasonable during regular business hours, and whenever the facility is discharging. Nothing contained herein shall make an inspection unreasonable during an emergency. X. State permit actions. State permit coverage may be modified, revoked and reissued, or terminated for cause. The filing of a request by the operator for a state permit modification, revocation and reissuance, or termination, or a notification of planned changes or anticipated noncompliance does not stay any state permit condition. Y. Transfer of state permit coverage. 1. State permits are not transferable to any person except after notice to the department. Except as provided in Part III Y 2, a state permit may be transferred by the operator to a new operator only if the state permit has been modified or revoked and reissued, or a minor modification made, to identify the new operator and incorporate such other requirements as may be necessary under the Virginia Stormwater Management Act and the Clean Water Act. 2. As an alternative to transfers under Part III Y 1, this state permit may be automatically transferred to a new operator if: a. The current operator notifies the department at least 30 days in advance of the proposed transfer of the title to the facility or property; b. The notice includes a written agreement between the existing and new operators containing a specific date for transfer of state permit responsibility, coverage, and liability between them; and c. The department does not notify the existing operator and the proposed new operator of its intent to modify or revoke and reissue the state permit. If this notice is not received, the transfer is effective on the date specified in the agreement mentioned in Part III Y 2 b. 3. For ongoing construction activity involving a change of operator,the new operator shall accept and maintain the existing SWPPP, or prepare and implement a new SWPPP prior to taking over operations at the site. Z. Severability. The provisions of this general permit are severable, and if any provision of this general permit or the application of any provision of this state permit to any circumstance, is held invalid, the application of such provision to other circumstances and the remainder of this general permit shall not be affected thereby. Section 12. Inspection logs (Provide templates for your inspections. Requirements are listed in 9VAC25-880-70, Part II, section B and F.) Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County VSMP INSPECTION REPORT Project: GCP Number: Notice of Coverage posted? ❑YES ❑NO SWPPP available for review? ❑YES ❑NO Inspection Inspection Conducted By Date/Time (must be the Qualified Personnel identified in the SWPPP) Date of Last Rainfall Measureable Amount ElNot applicable since inspection frequency is at least once every four business days Storm Event Record the information and a description of any discharges occurring at the time of the inspection Record any land-disturbing activities that have occurred outside the approved erosion and sediment control plan Have controls Are controls Have controls been installed in effectively been Describe any maintenance needs or other Inspection requirements: accordance with minimizing inappropriately deficiencies that were identified and the location of the approved sediment or incorrectly the deficiencies ECP? discharges? used? All perimeter erosion and sediment ❑YES ❑NO ❑YES ❑NO ❑YES ❑NO controls (silt fence, etc.) Soil stockpiles and borrow areas (for stabilization or sediment trapping ❑YES ❑NO ❑YES ❑NO ❑YES ❑NO measures) Completed earthen structures, such as dams, dikes, ditches, and diversions for ❑YES ❑NO ❑YES ❑NO ❑YES ❑NO stabilization Cut and fill slopes ❑YES ❑NO ❑YES ❑NO ❑YES ❑NO Sediment basins and traps, sediment barriers, and other measures (installed to ❑YES ❑NO ❑YES ❑NO ❑YES ❑NO control sediment discharges from stormwater) Temporary or permanent channels, flumes, or other slope drain structures (installed to ❑YES ❑NO ❑YES ❑NO ❑YES ❑NO convey concentrated runoff down cut and fill slopes) Storm inlets (to ensure that sediment laden storm water does not enter without first ❑YES ❑NO ❑YES ❑NO ❑YES ❑NO being filtered or similarly treated) Construction entrances and access routes ❑YES ❑NO ❑YES ❑NO ❑YES ❑NO (for minimizing mud/sediment tracking) Have stabilization activities begun on areas that have reached final grade or that will remain dormant for more than 14 days? ❑ YES ❑ NO Were stabilization activities completed within seven days of reaching final grade or stopping work on areas that have reached ❑ YES ❑ NO final grade or that will remain dormant for more than 14 days? Inspect for the presence of the following: Present? Location Concentrated flows of stormwater in conveyances (such as rills, rivulets or channels) that have not been filtered, settled, or similarly treated prior ❑ YES ❑ NO to discharge, (or evidence thereof) Sediment laden runoff that has not been filtered or settled to remove El YES ❑ NO sediments prior to discharge Sediment deposition in areas that drain to unprotected stormwater inlets ❑ YES ❑ NO or catch basins that discharge to surface waters. Inlets and catch basins with failing sediment controls due to improper ❑ YES ❑ NO installation, lack of maintenance, or inadequate design Sediment deposition on any property (including public and private ❑ YES ❑ NO streets) outside of the construction activity covered by the general permit Required stabilization (initiated or completed on portions of the site?) ❑ YES ❑ NO Sediment basins/traps without adequate wet or dry storage volume ❑ YES ❑ NO Sediment basins where the riser appears to be leaking, water appears to be leaving the basin around the barrel pipe (rather than through it), or ❑ YES ❑ NO the dewatering device appears to be dewatering basin from below the water surface Sediment traps that allow stormwater to discharge from below the ❑ YES ❑ NO surface of the wet storage portion of the trap Land disturbance outside of the approved limits of disturbance ❑ YES ❑ NO Inspect the pollution prevention controls associated with the pollutant generating activities identified in the Pollution Prevention Plan Have the controls Inspect the pollution prevention controls been properly Are controls Describe any maintenance needs or other associated with the pollution generating activities implemented as effectively minimizing deficiencies that were identified and the identified in Table 8.1 of the SWPPP outlined on the PPP pollutant discharges? location of the deficiencies sheet? Clearing, grading or excavating ❑ N/A ❑ YES ❑ NO ❑ YES El NO Paving operations ❑ N/A ❑ YES ❑ NO ❑ YES El NO Concrete washout and concrete waste ❑ N/A ❑ YES ❑ NO ❑ YES ❑ NO disposal Structure construction, stucco, painting ❑ N/A ❑ YES ❑ NO ❑ YES ❑ NO or cleaning Dewatering operations ❑ N/A El YES ❑ NO ❑ YES ❑ NO Material delivery and storage ❑ N/A ❑ YES ❑ NO ❑ YES ❑ NO Material use during building process El N/A El YES ❑ NO ❑ YES El NO Solid waste disposal ❑ N/A ❑ YES ❑ NO ❑ YES ❑ NO Sanitary waste disposal (ports johns) El N/A ❑ YES ❑ NO ❑ YES El NO Landscaping operations El N/A El YES El NO El YES ❑ NO Vehicle Fueling or Maintenance El N/A El YES El NO El YES El NO Other(describe) ❑ YES El NO ❑ YES El NO Other(describe) El YES ❑ NO El YES ❑ NO Other(describe) ❑ YES ❑ NO El YES ❑ NO Other(describe) El YES El NO El YES El NO Other(describe) El YES El NO El YES El NO Identify the material(s) and document the location or presence of any evidence of pollutant discharges that are not authorized by the general permit Identify the location(s) where any additional control measures are needed that did not exist at the time of the inspection List the corrective actions required (including any changes to the SWPPP that are necessary) as a result of the inspection or to maintain permit compliance Document any corrective action(s) required from a previous inspection that have not been implemented "I certify under penalty of law that I have read and understand this document and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." Signature: Date: Name: Title: (must be either the Operator or Delegated Authority, not necessarily the person who conducted the inspection)