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HomeMy WebLinkAboutWPO201800080 VSMP - SWPPPAlbemarle County Stormwater Pollution Prevention Plan (SWPPP) For Construction Activities At: BROOKHILL BLOCK 8B POLO GROUNDS ROAD CHARLOTTESVILLE, VA 22911 Prepared by: COLLINS ENGINEERING, INC 200 GARRETT STREET, SUITE K CHARLOTTESVILLE, VA 22902 434.293.3719 Prepared for: RIVERBEND DEVELOPMENT, INC 455 SECOND STREET SE, SUITE 400 CHARLOTTESVILLE, VA 22903 434.245.4970 0 0 D_g cJ SWPPP Preparation Date: 1 /1 Updated: gj5/1112/11/19 CONTENTS: 1. 2. 3. 4. S. 6. 7. 8. 9. 10. 11. 12. Registration Statement Notice of General Permit Coverage Nature of Activity Erosion and Sediment Control Plan Stormwater Management Plan Pollution Prevention Plan Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters Qualified Personnel Signed Certification Delegation of Authority General Permit copy Inspection Logs Section 1- Registration statement VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY FOR OFFICE USE ONLY GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM ID Number: CONSTRUCTION ACTIVITIES (VAR10) Technical Criteria: Ilia ❑ IIC ❑. REGISTRATION STATEMENT 2019 NEW ISSUANCE MODIFICATION WITH ACREAGE INCREASE ❑ Existing Permit Coverage Number (if applicable, VAR10####): Section 1. Operator/Permittee Information. RE -ISSUANCE ❑ MODIFICATION WITHOUT ACREAGE INCREASE ❑ 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 forthis operator must sign the certification in Section VI. (per Part Ill. K. of the VAR10 Permit). Construction Activity Operator Name: RIVERBEND DEVELOPMENT Contact person: ALAN TAYLOR Address: 455 SECOND ST SE, SUITE 400 City, State, Zip Code: CHARLOTTESVILLE, VA 22902 Phone Number: 434-245-4970 Primary Email: aIan@riverbenddev.com CC Email: B. Billing Information (leave blank if same as the Operator identified in Section 1. 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 ® NO ❑ Rev 04/2019 PAGE 117 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: Address: City and/or County and Zip Code: Latitude and Longitude (6-digit, decimal degrees format): BROOKHILL- BLOCK 8B POLO GROUNDS ROAD ALBEMARLE COUNTY 38.102911 &-78.455316 C. Construction Activity Entrance Location (description, street address and/or latitude/longitude in decimal degrees): STELLA LANE OFF OF POLO GROUNDS ROAD 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: 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 latitude/longitude in decimal degrees): Section IV. Site Information. A. Acreage totals for all land -disturbing activities to be included under this permit coverage. Report to the nearest one -hundredth of an acre. Total land area of development (including the entire area to be disturbed as approved in the Stormwater 18.01 AC Management Plan): Primary estimated area to be disturbed (portions with 7.01 AC Erosion and Sediment Control Plan approval only): Offsite estimated area to be disturbed (if applicable): C. Property Owner Status: D. Nature of the Construction Activity Description (i.e. commercial, industrial, residential, agricultural, environmental): E. Municipal Separate Storm Sewer System (MS4) name (if discharging to a MS4): B. Estimated Project Dates (M M/D D/YYYY) Start date: 01/15/2020 Completion date: 07/15/2021 FEDERAL ❑ STATE ❑ PUBLIC ❑ PRIVATE RESIDENTIAL Rev 04/2019 PACE 2 i 7 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 F. Is this construction activity part of a common plan of development or sale? YES ® NO ❑ G. 6' Order Hydrologic Unit Code (HUC) and Receiving Water Name(s). Attach a separate list if needed. HUC RECEIVING WATERBODY(S) 020802040203 (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 ® NO ❑ Erosion and Sediment Control Plan Approval Date (for estimated area to be disturbed).: C. Has land disturbance has commenced? YES ❑ NO 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 Il. 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 ill. K must physically sign this certification. A typed signature is not acceptable. Please note that operator is defined in 9VAC25-870-10 as follows: -uperaror- means the owner or operaror of any Jacrary or actiwry subject to me act ana rnis cnaprer. 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 foilowing 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 stormwater pollution prevention plan for the site or other state permit or VSMP authority permit conditions (Le., they are authorized to direct workers at a site to carry out activities required by the stormwater pollution prevention plan or comply with other permit conditions). In the context of stormwater discharges from Municipal Separate Storm Sewer Systems (M54s), operator means the operator of the regulated M54 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 can ensure that the necessary systems are established or actions taken to gather complete and accurate information far 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 possib' 'ty of fine and imprisonment for knowing violations." Printed Name: A4t,,R . --FOh/ Signature (signed in ink): Date: Pi 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: Department of Environmental Quality Office of Stormwater Management Suite 1400 PO Box 1105 Richmond VA 23218 constructigngp@deg.vi[ginia.gov If the locality is the VSMP Authority, please send to: I ne Local VSMP Authorit insert address below 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 1. 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 fallowing 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 (H) the person has day-to-day operational control of those activities at a project that are necessary to ensure compliance with a stormwater pollution prevention plan for the site or other state permit or V5MP authority permit conditions (i.e., they are authorized to direct workers at a site to carry out activities required by the stormwater pollution prevention plan or comply with other permit conditions). In the context of stormwater 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 § Ei2.1-44.5 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 where 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 (1) 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. 37.12341V,-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. 07/30/2019). 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. Le. a subdivision, commercial development, business park, etc. G. 6` Order Hydrologic Unit Code (HUC) and associated Receiving Water Name(s). Provide all 15' 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: DEts VEGIS Mao_ sing 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 Soecifdcations Entity information i c rrn 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: N 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 ar 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 Autharity for my project? PLQ 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 CONSTRLPCTI4N GfNERAt PERMIT WEBSITE http jyyuww dea.virginia.eov/Programs/WaterlStormwateriMtana ementlVSNiPPermitslConstructionGeneralPermit asox Rev 04/2019 PAGE 7 17 Section 2 - Notice of General Permit Coverage Section 3 - Nature of Activity PROJECT DESCRIPTION: THE PURPOSE OF THIS LAND DISTURBANCE ACTIVITY IS TO CONSTRUCT RESIDENTIAL HOMES AND THEIR CORRESPONDING INFRASTRUCTURE. THIS PROJECT PROPOSES TO DISTURB 7.01 ac. OF LAND. THE PROJECT WILL BEGIN ITS CONSTRUCTION WITH THE PROPOSED ESC MEASURES IMMEDIATELY FOLLOWING PLAN APPROVAL, WHICH IS ANTICIPATED TO BE IN THE WINTER OF 2019. THE WORK IS ANTICIPATED TO BE COMPLETED WITHIN 18 MONTHS AND TO CONCLUDE IN THE SUMMER/FALL OF 2020. EXISTING SITE CONDITIONS: THE AREA OF THE PROPOSED DEVELOPMENT IS LARGELY WOODED AREAS WITH OPEN SPACES AND LIGHT UNDERBRUSH. THIS SITE GENERALLY SLOPES FROM THE NORTH TO THE SOUTH. THE SITE IS GENERALLY STEEP AND IS WELL DRAINED. ADJACENT AREAS: THIS SITE IS BORDERED ON THE EAST BY AN INTERMITTENT STREAM AND A LOT CONTAINING A HISTORIC HOME. BOTH THE STREAM AND THE HISTORIC HOME ARE PROPOSED TO BE PRESERVED. NORTH OF THE PROPOSED SITE IS BROOKHILL's BLOCK 1. A PROPOSED ROAD, STELLA ROAD, UNDER SUB 201700117 IS LOCATED TO THE WEST. FURTHER TO THE WEST ARE BROOKHILL's BLOCKS 8A AND 4. EXISTING POLO GROUNDS ROAD IS LOCATED ALONG THE PROJECT's SOUTHERN BOUNDARY. THE AREAS IMMEDIATELY TO THE EAST, NORTH, WEST & SOUTH ARE ALL VACANT, WITH THE LAND SOUTH OF POLO GROUNDS ROAD BEING USED FOR ATHLETIC FIELDS LOCATED WITHIN RIVANNA RIVER's FLOODPLAIN. SILT FENCE WITH WIRE BACKING, DIVERSIONS, A SEDIMENT TRAP, A SEDIMENT BASIN, INLET CONTROLS AND VARIOUS OTHER ESC MEASURES ARE PROPOSED TO LIMIT THE POTENTIAL FOR CONTAMINATION OF THESE ADJACENT PROPERTIES AND WATERWAYS. OFFSITE LAND DISTURBANCE: OFFSITE LAND DISTURBANCE IS LIMITED TO PUBLIC RIGHT-OF-WAY AND AREAS LOCATED WITHIN THE OVERALL BROOKHILL DEVELOPMENT BOUNDARY. CRITICAL AREAS: EXISTING WETLANDS AND INTERMITTENT STREAMS ARE LOCATED ON THE PROPERTY, POLO GROUNDS ROAD IS LOCATED DOWNGRADIENT FROM THE PROPOSED DEVELOPMENT AND A HISTORIC HOME IS LOCATED TO THE EAST. THESE AREAS, IN ADDITION TO THE MANAGED AND STEEP SLOPES, ARE CONSIDERED TO BE CRITICAL AREAS. THE CONTRACTOR SHALL GIVE EXTRA ATTENTION AND CAUTION IN AND AROUND THESE AREAS TO ENSURE SEDIMENT IS NOT DEPOSITED ON THEM. TREE PROTECTION FENCING, SILT FENCING, DIVERSIONS AND SEDIMENT TRAPPING DEVICES SHALL ALSO BE INSTALLED AS A FIRST STEP IN LAND DISTURBANCE TO ENSURE THESE CRITICAL AREAS ARE MAINTAINED. SEQUENCE OF CONSTRUCTION: 1. CONTRACTOR SHALL NOTIFY THE ALBEMARLE COUNTY COMMUNITY DEVELOPMENT ENGINEERING DEPARTMENT TO SCHEDULE A PRE -CONSTRUCTION MEETING. 2. PRIOR TO DISTURBANCES, THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE PROTECTION FENCING SHALL BE INSTALLED. 3. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT. 4. INSTALLATION OF THE PROPOSED CONSTRUCTION ENTRANCE SHALL OCCUR NEXT. THE CONTRACTOR SHALL APPLY CONSTRUCTION ROAD STABILIZATION AS NEEDED. CONTRACTOR SHALL ENSURE THE CONSTRUCTION ENTRANCE DRAINS TO AN ADEQUATE E&S MEASURE. CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. 5. THE INITIAL ESC CONSTRUCTION MEASURES, AS SHOWN ON THE PHASE I EROSION & SEDIMENT CONTROL PLAN, SHALL BE INSTALLED NEXT. THE CONTRACTOR SHALL BEGIN BY INSTALLING THE PERIMETER SILT FENCE. PERIMETER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 6. ONCE THE PERIMETER EROSION CONTROL MEASURES HAVE BEEN INSTALLED, AND THE COUNTY INSPECTOR HAS APPROVED THESE MEASURES, CLEARING LAND DISTURBANCE MAY BEGIN. THE CONTRACTOR SHALL BEGIN WITH THE INSTALLATION OF SEDIMENT BASIN #1 & SEDIMENT TRAP #1. FOLLOWING THE INSTALLATION OF THESE MEASURES, THE CONTRACTOR SHALL INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE I EROSION CONTROL PLAN. THIS INCLUDES THE DIVERSIONS, CHECK DAMS, INLET PROTECTIONS AND ANY REMAINING SILT FENCE. TEMPORARY SEEDING, PERMANENT SEEDING AND DUST CONTROL SHALL BE IMPLEMENTED AS REQUIRED. 7. ONCE ALL THE PHASE I EROSION CONTROL ITEMS HAVE BEEN INSTALLED & ARE OPERATIONAL, DRAINAGE IS PROPERLY CONVEYED TO THESE MEASURES, AND THE ESC INSPECTOR HAS GRANTED APPROVAL, THE CONTRACTOR CAN BEGIN CLEARING THE SITE. 8. AFTER CLEARING THE PROPOSED AREAS, THE CONTRACTOR CAN BEGIN ROUGH GRADING THE SITE TO THE CONTOURS SHOWN ON THE PHASE II EROSION & SEDIMENT CONTROL PLAN. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. ADDITIONALLY, THE PROPOSED RETAINING WALLS LOCATED AT THE SOUTHERN END OF THE DEVELOPMENT NEAR THE INTERSECTION OF POLO GROUNDS ROAD AND STELLA ROAD SHALL BE INSTALLED CONCURRENTLY WITH THE FILLING OPERATIONS IN THIS AREA. THE CONTRACTOR SHALL ENSURE THE RETAINING WALL's TOP ELEVATION IS LOCATED ABOVE THE FILL/TEMPORARY ELEVATION AT THE END OF EACH DAY UNTIL FINAL GRADES ARE ACHIEVED. SEDIMENT TRAP #1 AND THE TWO PERIMETER DIVERSIONS SHOWN IN PHASE I OF THE ESC PLAN SHALL REMAIN FUNCTIONAL AS LONG AS POSSIBLE AND SHALL NOT BE REMOVED UNTIL THE ESC INSPECTOR HAS GRANTED APPROVAL. 9. THE CONTRACTOR SHALL INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE I EROSION CONTROL PLAN. 10. 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. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 11. ONCE THE SITE IS ROUGH GRADED, THE CONTRACTOR SHALL RELOCATE THE CONSTRUCTION ENTRANCE, FUELING AREA, DUMPSTER, PORT -A -POTTIES, AND CONTRACTOR STAGING AREA AS SHOWN ON THE PHASE 11 EROSION & SEDIMENT CONTROL PLAN, AND BEGIN INSTALLATION OF THE UTILITIES, CURB AND GUTTER, AND ROADS. AT THIS TIME, THE CONTRACTOR SHALL WORK WITH THE ESC INSPECTOR ON THE TIMING OF THE REMOVAL OF SEDIMENT TRAP #1. SEDIMENT TRAP #1 SHALL BE REMOVED UNTIL THE ESC INSPECTOR HAS GRANTED APPROVAL. INLET PROTECTION SHALL ALSO BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STONE FILTER BECOMES CLOGGED WITH SEDIMENT SO THAT IT NO LONGER ADEQUATELY PERFORMS ITS FUNCTION, THE STONE MUST BE PULLED AWAY AND CLEANED AND/OR REPLACED. 12. ONCE PHASE II OF CONSTRUCTION IS COMPLETE, THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR CAN REMOVE THE EROSION & SEDIMENT CONTROL MEASURES, INCLUSIVE OF SEDIMENT BASIN #1. NO ITEM SHALL BE REMOVED, THROUGHOUT ALL PHASES OF CONSTRUCTION, UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. 13. THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 14. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. 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Y m Z wNjA vr-ig �z wx�rp�t°d z Q z o <m m z o w rczm Ho'zw o�N�Om aanw �Fw Nrc Da ZNiazzo=mown[ 3 u a ° o d0oyffmgon�ww >or'm �'ooa�wsoaiwwmos� $ o z ¢ o _ = _ p w 0 wamzdao.rmo�tonaam rc g ti 0 g a 10„„„,v °, e GENERAL NOTES: / TMP 0 600-00-00-01 61 \ 4 9 PROPOSED ROAD 1. A100-YR ENT,B BUAINT EXISTSONAPS TIONLOCH OF EDTHE HESUB ILL N/F.RBD MULTI -FAMILY HOLDINGS, LLC r8�' CURRENTLY UNDER REVIEW) DEVELOPMENT, BUT NO FLOODPLAIN IS LOCATED ON THE SUBJECT PARCEL PER FEMA FLOODPLAIN MAP # 51003CO280D. NO '/ �. \ � D.B. 570], PG. 1 B E,�' m _ UB zoa8TL 5 I'I 0 FLOODPLAIN IMPACTS ARE PROPOSED WITH THE PROJECT. `� / �'� \ 2p, \ AREA: 19.049 ACRES �$q/ �I '.-i "`I. u 2. A STREAM BUFFER EXISTS ON THE SUBJECT PROPERTY. / • " ' / 4c, TM P o4600-00-oo-olgB3 f S 3. BEFORE BEGINNING SITE WORK, THE CONTRACTOR SHALL APPROVED ROAD a ;UNDER SUBzoa7oou7 >. GpoF CROCKETTCORPORATION INVESTIGATE AND VERIFY THE EXISTENCE AND LOCATION OF / - SgNi/q ��� ��NMI/v, Tz R. COLLINSz UNDERGROUNDUTILITIES, MECHANICAL AND ELECTRICAL SYSTEMS, " t ySF / pU@G@Rsr _ �.B. 011, PG..1 O ULic. No. 035791,'a AND OTHER CONSTRUCTION AFFECTING THE WORK. BEFORE i / EXISTING PROPERTY \ dt'q VARIABLE WIDTH PUBLIC 20' ACSA WATER C/ �/ R 5 CONSTRUCTION THE CONTRACTOR SHALL VERIFY THE LOCATION ��Q' / LINE BETWEEN BLOCK fqS� SWIM FACILITY EASEMENT. EASEMENT Nss• cRc'QQFFT 44 MF gC DB.5121, PG 644 675 AND INVERT ELEVATIONS AT POINTS OF CONNECTION OF SANITARY / BA AND BLOCK Nr �a6 'st S SEWER, STORM SEWER, AND WATER -SERVICE PIPING; - v 07��� 1 4 " /` li �2 \'W oxAn UNDERGROUND ELECTRICAL SERVICES, AND OTHER UTILITIES. THE p i - / I 1 6� Nsv'o4 �4. AS. so CONTRACTOR SHALL FURNISH LOCATION DATA FOR WORK RELATED �S\. / I I ry:4`. LAND RESERVED FOR FUTURE TO PROJECT THAT MUST BE PERFORMED BY PUBLIC UTILITIES h ''n~ SERVING THE PROJECT SITE. 'Y�0 / - _ I \ ,'' a� • yl�DEDICATION UPON DEMAND h• �.� 4. CONTRACTOR SHALL VERIFY SIZE, TYPE &LOCATION OF EXISTING T ��� F' r' / - ti. WATER LINES ON THE SITE. % OJ�P I ss ('LEI - 5. LANDSCAPING BUFFER EASEMENT DEED OF DEDICATION WAS / / I I .y AREA: 2.17 ,- FROM THE COUNTY./ RECORDED IN DB. 5121, PG.689 701 (DA 5107 PG 148) / ' AR + ACRES / / 6. PUBLIC SWM FACILITY EASEMENT DEED OF DEDICATIONS WERE `� ! /• / C PROPOSED BROOKH A RECORDED IN DB 5121, PG 676 EXISTING ROUTE z �s- d f ii 9 BLOCK SA SENIOR LIVING FACILITY I- z z z 7. THE S AND CONDITIONS ARE BASED ON CURRENTLY APPROVED - ' BUFFER -o.g53 ACRES °%�'""TM ,' PORTION OF EXISTING R/W TO BE MAY' �� (CURRENTLY UNDER REVIEW) I , .) PLANS AND Y/L NOT MATCH THE CURRENT, EXISTING SDP2oig-00026 I 1 ,`el z, VACATED WITH THIS SET OF PLANS j 0 0 0 sr _ usM TOPOGRAPHY/LAYOUT ON THE SITE, SINCE THE SITE [5 CURRENTLY - - , w UNDER CONSTRUCTION. AREA: 5.5u ACRES \ '4 47 viz ��� U f O O O II 53o°35 W 100 PRIVATE H LANDSCAPE �VARIABLE WIDTH/ ~ •� rn w w w PUBLIC STORM BUFFER EASEMENT .` DRAIN EASSEMENT '^ �a• DB.5127, PG:fi44-EXI 2 z f f f EXISTING PROPERTY LAND RESERVED FOR FUTURE ��vesz.srr O o ' /e571j?Fq / LINE - SUBDIVISION DEDICATION UPON DEMAND ' ! - ac,6f NpSC PARCEL LINE BETWEEN TMP 04600-00-00-019A0 ( OM THE COUNTY ! a a D-B. 5707 PC. 148 � t s44 675 / sw, BLOCK BA & BLOCK 8B ) CROCKETT CORPORATION AREA. 2.17 ACRES 20A SA / m o 0 0 AREA: SANITARY SEWER % �n M =�O EASEMENT W w > S > DB.515o, PG.4o / 2DRAINBEASEMEENM 530°55'35.�4W v6.iod' ! i&�xtiot - DB.5121, PG.644-675 !/ / , QL ( ry N ' 4 �SWMFACILIIY EASEMENT-- -----___ DB. 5T21 PG676-688 wiz ° 1 1 K � I a VARIABLE WIDTH PUBLIC /5Wb1 FACILITY EASEMENT `�L=x4 Ro,R-ayo35oo Q e' DB 5121, PG.644-675 rA y P e=v 4506 / 0 \ SWM FACILIN / WPOzoa700037 EXISTING STORM ( BROOKHILL LANE TO REMAIN Ir SEWER ALONG STELLA : BLOCKI 9 5_ o /., J4r / % \4 / ✓ EXISTING ROUTE zg :i c \ 1 4 BUFFER-a.643 ACRES ' _ a zz f 1 a ' \ PROPOSED GREENWAY \ 1 ' XISTING BROOKHILL HOUSE ri EASEMENT z6ACRES ` ` / / I w ♦ k. 6' S...,5o.9ax'S3.ogo 1 f� \ M e "2v 64'W FOSS `I� ROPERTV BOUNDARV(TYP.) m �♦ OPEN SPACE P v �: A\ I 20 ACSA WAIF 1 e6io6 s,SR 5a 000 1 ��i N r Z z / * �I ♦ a a.86a ACRES I so. .`\,.,. _ �^ / f \ I �EMEZT -�� 3i� "TMP o4600-oo-oo-oi800 . M f I S:P 334a 47'W ad.oBi \ \1j'9 _ \ - HAUGH CHARLES R "� 1I F ,,;�'d OPEN SPACE 3se6, 1 a aE Wr -APPROVED FEMA j I ' I \ II } / J &€J0GLESBYJRT ,ose ' • / .,' `�. aoo VR FIOODPLAIN ' / o.7B6 ACRES ` '1 1 �, .. r M tt \.. 1 `♦ (, IY. ,..1. D.6.731,PG.690 t N { APPROVEDFDP 4 / II 1.» l I i'11 II \��.. AREA:1395(PORTIONOF) NUMBER zo 6000 : � I A��. Tss:, III � I / ,R wl 1 N65, 3.045 AC (THIS BLOCK) ON! L.V 1.A V �.� '♦ sme"-0w I 1 % 1 - II L na374 49 R. e ­ia37a �1 1 PROPOSED HISTORIC \ \ ° W ¢V \ ♦ r '` ` - \ -I.. / w _All r;3 . HOUSE BUFFER seLIMITS OF SUNNY DAV I/. / / I 'a3x5, R=assa.soo 1 o.385 ACRESBREACH INUNDATIO / / e 3863( , vm J f g ZO GREENWAY PJ fl smw r �T4�ps \ / ` S Cn' / , I I PROPOSED - 'LANDSCAPING) BUFFER AROUND BROOKHILL \ /� �' ! ♦\ ` ° •"Oo �/ / ' EXISTING PRESERVED ° 1 1 HOUSE PARCEL v �`' w �� LLQ STEEP. SLOPES au W Tao. o BLOCK86 / � \ 0 �y� Z RR r z,°x i eu-m,ar , n W + o m ILO // of qi J. p ° \ j / //a OBS �ql, TF \\\♦ a. I : !/ f i , / 1. � (Tt3-- �•a. TO B6 RE -ROUTED 1 1 � �/ J � � O TMPo 600-oo-oo-oi A2 \\ o PROPOSED GREENWAY wL\!j ° / /: �y� `V N 1 I /,. / Q / 1 O - ,' �/ pCsgp e'yOSCgAf- /CROCKETT CORPORATION \♦�, * o. ,EASEMENT-4.838 ACRES y °O / i 4\ `e -•- I 1 NOTE: PORTION OF PROPOSED I = `/ J- x ° , / / 2 ` 1 I SANITARY SEWER AND / V sus.'. ` / D.B.i5o,PG.4o \♦\ o / , ° , / 6 e o ° o °: + - �� / L ps°"•a. '••• I TO BE RELOCATED WITH THE z • p° I\ a 6 0 + / / x ":� \„s� tr �� DEVELOPMENT OF BLOCKS zD Acsn WATER AREA: io.6i4 ACRES \ ♦ ' , \` j p 7 • . EASEMENT V A 1 r p •� 11 L Ln l r t o Ln ° °' I s =sd 37s, R=at a s°° ;2 P 0460000-00-01800 / Wco \ w ° ° . // o o \ c I f e-a.7607 �w:.. - T HAUGH, CHARLES R PROPOSED OPEN SPACE \ \ o o ! „�, ' W E 0.643 ACRES \ \. ° ° ° I ' ! . '., ., & E J OGLESBY-1R T - J E o_ \, ° e ,F \ ° o I. / PROPOSEDSW ACCESS AND '�'• - Y:.�� \.\�� , D.B-731, PG. 6g0. // (/) J `o ° ` o °° ° I / ,EASEMENT TO BE RELOCATED WIT BASINISWM FACILITY PROPOSED WITH ul Y o o ° ° _ BROOKHILL VSMP PLAN TO BE ..AREA: 13=95 (PORTION OF) / MODIFICATIONS TO THE FACILITY \ 4 - W o RELOCATED WITH THIS 5E70F PLANS 7404 AC (THIS BLOCK) \ I' WPO-zoa -o \ � o 7 0037 : W _ o +soz vgau6LE D. PRIVATE \ / ° ° ` ` I LAND RESERVED FOR FUTUR ` \ \ 17 ° I XISTING WETLANDS i ° t // - e e n \p MANTENANCE EASEMENT \ / p I 1 o DEDICATION UPON DEMAND •� \ \ \ \ \ p eo \2P1 (FOR MPLEMENTADON:Of ' / 1 - " // F A*r W SALAMANDER cdosslNci 11 ° 1 o /! FRAM THE COUNTY... > sF•, \ / J \.. o r os.7AEREa of'MP ab-reA urvO HEREa`' I o ./! EAR A: 51m PG 748) : 3 �,A,r=;_, \' \\, 'INTERMITTENT STREAM . //RcS/ER/Y-EC R iL'TLRE CEO' AFON TO P11BG'C `O o \ ,. / I / E 2.i ACRES 1 ° BE UPON DeMAND eY E co Ntt p / ! I j, INTERMITTENT STREAM o VARIABLE W101H PUBLIC / o tb DB. FACILITY EASEMENT :' -/ \. 2T� LLI O o 0 / SWIM F _ 21, P0.844-675}Q/ ry BV , xAo pE T om;-a _ _ _ ` O 'Vd16ABLE 'MOTH PUBLIC\\)lP LL P664a_ 6uF{E ,o � a`t��— o /:YTO DRAIN.. EASEMENT R �, / .+ Y.. _ .�L� '`LPdENr — v '\ BASIN/SWM FACILITY Q .,. ..644-675 ...`y>A 1_T :`'.l use°exT \ ROPOSED WITH BROOKHILLVSMPPLAN r % C9 •yQ� .A PRI/A, LAND A... _ - r,., m:. s..-eTs . _. , v ____--- )/ EXISTING MANAGED \.... °Oo - --\ 4 '"' � S *FFER EASEMENT _ " -' ' "" TO BE RELOCATED WITH THI55ET OF PLANS /° J a p e _ OB 12T, G:644- 5 _ / - _ - p p�--� '�' .:_.� �. \ JO' P41V� — \I / I !' STEEP SLOPES CD 1 ses_aY,_z„ rarz 'y CD 9UF{Eq ATE LAryp w \ ; �1 \ \ / n/' GWETLANDS j .. e _ b'`.CB 512t pGsnrSC \ -t->' EXISTING \ \\ /+ EXISTING O N vAxAaz rwYx wa.c ion'TnE7- 7. -: ._ 67 . \ 3 \ _ �, .--w .axr, ,.. 5�� PROPERTY LINE xev.s VARIABLE 'MOTH PRIVATE �LANDSCAPING BUFFERMAINTENANCE EASEMENT \ o e O(FOq IMPLEMENTADDN Ofe__.____eEXISTING POLO !z¢ >sALAMarvDER c905sINc) \ °DaPOLO GROUNDS ROAD - �J''\EXI571NG SANITARY SEWER AND �+ E .3o5ACRES\EANITARYSEWER EASEMENT p GROUND ROAD BUFFE 576 :M'z9.38"E 3,.96,' /`'w \ o00 9� =ssmcl STATE ROUTE 643 (D.B 481 PG.z63) ;Yr /i \ 6 0.557 ACRES OF TMP 46-19A LAND \- ° ° °.a o. e-B.A343; R--g76 S. .i3'�.Se� Al�" � , \\' VARIABLE 'MDhi PUBLIC JOB NO. v nEDICA RESERVED FOR FUTURE "\ ° 1 ITA1 -g.Jo pros. ,s _- EXISTING POLO -, STORM DRAIN EASEMENT GRAPHIC SCALE DEDIcanOry rD PUBUC usE uPON-DEMAND I GROUND ROAD BUFFER Br THE CNN' rw - a e o o°z" 3.d I B.ST27, PG.644-675 ^ i/ ° ° ° 3 //j'° `\ 182150 o536ACRE5 o p a [ F{S-R / j \ °°°°°°°° N �Sf2, NTSOA �o. I ABIF MD1H PUBLIC STORM DRAIN .. mF < xB�M4A,Ti, F: - � , . • �64 �.3 \ 4C SCALE EASEMENT Dastzt Fcdaa-67s z s -_ Y, LIMITS OF SUNNY R '4 4-675 ' �T \sy ° ° I vs 1,._50' ( IN FEET) Y S '<`.;, DAY BREAC 0150 ACRES OF TMP 46 18 LAND HEREBY' � yT9 1 inch = 50 ft INUNDATION ZONE RESERVED FOR FUTURE DEDICATION TO �� ° \ � �t SHEET NO. Tom '" ° op L=a 4 4Soo I su se'uw PUBLIC USE UPON DEMAND BY THE COUNTY =,v ' VARDIBLE WIDTH PUBLIC o p e, 347x Res 715d �. \\ '\,P�,�� 2 d '� STORM DRAIN EASEMENT °. F EROSION & SEDIMENT CONTROL EROSION CONTROL NOTES DESCRIPTION OF EROSION & SEDIMENT EROSION CONTROL NOTES & NARRATIVE FENCING AND ARMORING Tx oF� MEASURES: 1. THE PUN APPROVINGAU7HORlTY MUST BE NOTIFI ED I f ONE REEK PRIOR 14 T CONTROL MEASURES: PREURSING RUCTION ADONECONFERENCE, ONE REEK PRIOR FINAL FEE COMMENCEMENT OF LAND PRO.U'PO DESCRIPTION: �f STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN DISTURBING ACTIVITY, AND ONE REEK PRIOR RT THE FlNAL INSPECTION. THE PURPOSE OF THIS LAND DISTURBANCE ACTIVITY l5 10 CON57AUCT RESIDENTIAL HOMES AND THEIR CORRESPONDING SCOTT R. COLLINS'Z ACCORDANCE WITH THE VIRGIN/A EROSION AND SEDIMENT CONTROL Z ALL EROSION AND SEDIMENT CONTROL MEASURES AND BE CONSTRUCTED AND INFRASTRUCTURE THIS PROJECT PROPOSES TO DISTURB 7.0E - OF LAND THE PROJECT WILL BEGIN ITS COIV57RUCnQV WITH THE p HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF THE MAINTAINED ACCORDING 70 MINIMUM STANDARDS AN AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIM NT ON TRO M A R PROPOSED ESC MEASURES IMMEDIATELY FOLLOWING PUN APPROVAL, WHICH IS ANTICIPATED TO BE IN 7HE WINTER OF 2019. THE J U Lic, No, 0357912 FOLLOWING: EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR IT IS ANTICIPATED TO USE A CONSTRUCTION ENTRANCE, CHECK DAMS, RIPRAP, OUTLET WORK IS ANTICIPATED TO BE COMPLETED WITHIN /8 MONTHS AND TO CONCLUDE IN THE SUMMER/FALL OF 2020. 625-01-IO EROSION AND SEDIMENT CONTROL REGULATIONS. A 4 J 02 CQAISTRUGRAV ENTRANCE. J ALL EROSION AND SEDIMENT CONTROL MEASURES ARE 70 BE PLACED PRIOR TO OR PROTECTION, DIVERSIONS, A SEDIMENT TRAP, A SEDIMENT BASIN AND SILT FENCES TO FXl TIN tl PROPOSED ON POS W A STABIUZED GRAVEL ONNSTRUCSTR ENTRANCE LOCATED AT POINTS A O VEHICULAR OF MU AS THE FIRST STEP IN CLEARING THE AREA OU THE PROPOSED NORTH T E LARGELY E S17ED AREAS WITHALL OPEN SPACES AND LIGHT UNDERBRUSH. THIS SITE oAo a SS N INGRESS AND EGRESS Of/ A CONSTRUCTION SITE TO REDUCE THE AMOUNT To MUD 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PUN SHALL BE CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING WILL R USED IMMEDIATELY GENERALLY SLOPES FROM THE NORTH TO THE SOUTH. THE SIZE IS GENERALLY STEEP AND IS WELL DRAINED. ��! I TONAL TRANSPORTED ONTO PAYED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. MAINTAINED ON THE SITE AT ALL TIMES FOLLOWING ALL LAND DISTURBANCE ACTIVITIES. TEMPORARY STOCKPILE AREAS ARE ADJACENT AREAS.• CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PUNS TO 5. PR/OR TO COMMENCING LAND DISTURBING ACn NT/ES /N AREAS OTHER THAN NOT BE REQUIRED WITH THIS PROPOSED DESIGN. SHOULD FIELD ADJUSTMENTS THIS SI7F /S BORDERED ON THE EAST BY AN INTERMITTENT 57REAM AND A LOT CONTAINING A HISTORIC HOME. BOTH THE STREAM - REDUCE 7Nf AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS INDICATED ON INESf PUNS (INCLUDING BUT NOT LIMITEDAND THE HISTORIC HOME ARE PROPOSED TO BE PRESERVED. NORTH OF THE PROPOSED SIIE IS BROOKHILL 3 BLOCK 1. A 70, OFF -SITE BORROW OR NECESSITATE A SMALL STOCKPILE AREA, l7 SHALL BE DISCUSSED WITH THE ESC I I J03 GONSIRU WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION INSPECTOR AHEAD OF TIME THE STOCKPILE WILL NEED TO BE MAINTAINED AND STORED PROPOSED ROAD, STELLA ROAD, UNDER SUB 2Of7OOl17 IS LOCATED TO THE WEST FURTHER TO THE WEST ARE BROOKHILL's vr+ ren GTON ROAD STABII IZAWON CONTROL PLAN TO THE OWNER FOR RENEW AND APPROVAL BY THE PUN APPROVING FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE ON SITE AND SHALL BE BLOCKS BA AND 4. EXISTING POLO GROUNDS ROAD IS LOCATED ALONG THE PROJECYs SOUTHERN BOUNDARY. THE AREAS - THE TEMPORARY STABILIZATION Oi- ACCESS ROADS SVBDIVISION ROADS PARKING AUTHORITY. IMMEDIA FEET TO THE EAST, NORTH, WEST & SOUTH ARE ALL VACANT, WITH THE LAND SOUTH OF POLO GROUNDS ROAD BEING ri AREAS AND OTHER SITE VEHICLE TRANSPORTATION ROUTES WIIH STOVE 6. THE CONTRACTOR l5 RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT SEEDING WILL BE USED FOR ATHLETIC FIELDS LOCATED WITHIN RIVANNA RIVER'a FLOODPU/N SILT FENCE WITH WIRE BACK/NCI DIVERSION$, A IMMEDIATEL01 Y AFTER GRADING. TO REDUCE EROSION OF TEMPORARY ROADBEDS BY CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTA WON AS PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE SEDIMENT TRAP, A SEDIMENT BASIN, INLET CONTROLS AND VARIOUS OTHER ESC MEASURES ARE PROPOSED TO LIMIT THE CONSTRUCTION TRAFFIC DURING NET WEATHER AND TO REDUCE EROSION AND DETERMINED BY IRE PUN APPROVING AUTHOITY. CONSTRUCTION ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE P077NTAL FOR CONTAM/NAWON OF THESE ADJACENT PROPERTIES AND WATERWAYS I� SUBSEQUENT REGARDING OF PERMANENT ROADBEDS BETWEEN THE TIME OF INITIAL 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES OFFSITE LAND DlS7URBANCE.• GRADING AND FINAL STABILIZATION. USE WHEREVER STONE -BASE ROADS OR AT ALL TIMES DURING LAND DISTURBING ACTIW7PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR AND DURING SITE DEVELOPMENT OFFSITE LAND DISTURBANCE l5 UNITED TO PUBLIC RIGHT-OF-WAY AND AREAS LOCATED WITHIN THE OVERALL BROOKHILL PARKING AREAS ARE CONSTRUCTED, WHETHER PERMANENT OR TEMPORARY, FOR USE UNTIL FINAL STABILIZATION IS ACHIEVED. MORE. SELECTION OF SEED MIXTURE WILL DEPEND ON THE 77ME OF YEAR APPLIED. DEVELOPMENT BOUNDARY. BY CONSTRUCTION TRAFFIC. 8, DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED earo rsHc[- 'r TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE .► FILTERING DEVICE sacs.• E JD SILT FEN mw rncc f I scE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY LEFT DORMANT FOR MORE THAN SEVEN DAYS. THESE ARRAS SHALL BE SEEDED WITH SEE SOIL DESCRIPTIONS ON THIS PAGE AND THE PHASE l EROSION &SEDIMENT CONTROL PUN FOR BOUNDARIES SOIL TYPES AND A TEMPORARY SEDIMENT BARRIER CONSISTING R7 A SYNTHETIC FILTER FABRIC AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR FAST GERMINATING VEGETA7ON IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. GENERAL SOIL DETAILS. u U U STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED, 70 CLEANUP FO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. CRITICAL AREAS.., et..sno R"? INTERCEPT AND DETAIN SMALL AMOUN75 OF SEDIMENT FROM DISTURBED AREAS BE MADE IMMEDIATELY. EXISTING WETLANDS AND INTERMITTENT STREAMS ARE LOCATED ON THE PROPERTY, POLO GROUNDS ROAD IS LOCATED CORRECT METHODS OF TREE FENCING a i DURING CONSMUC77ON OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING 10. ALL FlLL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. DO GRADIENT FROM THE PROPOSED DEVELOPMENT AND A HISTORIC HOME IS LOCATED TO THE EAST. THESE AREAS IN ADDITION THE SITE, AND TO DECREASE THE VELOCITY OF SHEET FLOWS AND 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WA57E AREA. EARTH FILL J.02 CONSTRUCTION ENTRANCE - TO REDUCE THE AMOUNT OF MUD TRANSPORTED TO THE MANAGED AND STEEP SLOPES ARE CONSIDERED TO BE CRITICAL AREAS THE CONTRACTOR SHALL GIVE EXTRA ATTENTION G O O O LOW -TO -MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE SHALL BE INERT MATERIALS ONLY, FREE OF R007S STUMPS WOW, RUBBISH, AND ^I U f ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. AND CAUTION /N AND AROUND THESE AREAS TO ENSURE SEDIMENT IS NOT DEPOSITED ON THEM. TREE PROTECTION FENCING, SILT ^ V INSTALLED GOWN SLOPE OF AREAS WIFH MINIMAL GRADES TO FILTER SEDIMENT OTHER DEBRIS F£NGNG, DIVERSIONS AND SEDIMENT TRAPPING DEVICES SHALL ALSO BE INSTALLED AS A FIRST STEP IN LINO DISTURBANCE TO LH "DEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED 12 BORROW OR WASTE AREAS ARE TO BE RECLAIMED WTHIN 7 DAYS OF COMPLETION J03 CONS7RUCTON ROAD STABILIZATION - TO REDUCE THE EROSION OF TEMPORARY f` l 11I`1 HI' J IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE PER ZONING ORDINANCE SECTION B t.28. ROADBEDS BY CONSTRUCON TRAFFIC AND TO REDUCE THE EROSION AND SUBSEQUENT ENSURE THESE CRITICAL AREAS ARE MAINTAINED. w w SEQUENCE OF COIVSTRUC77ON: C o a VIRGINIA EROSION -n & SEDIMENT CONTROL HANDBOOK (VfSCH). 1J. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION /J-301 REGARDING OF PERMANENT ROADBEDS BETWEEN THE TIME OF IN177AL GRADING AND rx r m m m OF THE CODE OF WASTE RUE. 1. CONTRACTOR SHALL NOTIFY THE ALBEMARL£ COUNTY COMMUNITY DEVELOPMENT ENGINEERING DEPARTMENT TO SCHEDULE !` rn 212 Ol1£RS!ON' 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT FINAL STABILIZATION. CON51RUC WON ROAD STABILIZATION WILL BE APPLIED TO THE A PRE-CONSIRUCTON MEETING. � ~ 2. PRIOR TO DISTURBANCE w w A CHANNEL CONSTRUCTED ACROSS A SLOPE WITH A SUPPORTING EARTHEN RIDGE SHALL BE UNITED TO THE HOURS OF 7-00 AM TO 9: 00 PM CONTRACTOR PARKING &STAGING AREAS AS NEEDED. S THE LIMITS OF DISTURBANCE SHALL BE PUGGED AND THE TREE PROTECTION FENCING SHALL BE `� �// C ON THE LOWER SIDE. TO REDUCE SLOPE LENGTH AND TO INTERCEPT AND DIVERT 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT J05 SILT FENCE- 5/LT FENCE IS PROPOSED, WHERE SHOWN ON THE PLANS. INSTALLED. STORMWATER RUNOFF 7O STABILIZED OUTLETS AT NON -EROSIVE VELOCITIES MAINTAINS LATERAL SUPPORT, OR ORDER TO M/N/MIZE ANY HAZARD TO PERSONS J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM THE APPLIES WHERE RUNOFF FROM AREAS OF HIGHER HE' E T B MAY DAMAGE PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS AND DAMAGE TO ANY J08 CULVERT INLET PROTECTION- CULVERT INLET PROTECTION IS PROPOSED, WHERE INSPECTOR ON THE PROJECT. _ PROPERTY, CAUSE EROSION, OR INTERFERE WIN THE ESTABLISHMENT OF VEGETATION PUBLIC STREET BECAUSE OF SLIDES SINKING OR COLLAPSE. SHOWN ON THE PLANS 4. lNS7ALLAnON OF THE PROPOSED CONSTRUCTION ENTRANCE SHALL OCCUR NEXT. THE CONTRACTOR SHALL APPLY l/ ON LOWER AREAS. WHERE SURFACE ANDIOR SHALLOW SUBSURFACE FLOW l5 f6. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR 3.12 DIVERSION- PERIMETER DIVERSIONS ARE PROPOSED WHERE SHOWN ON THE PLANS. CONSTRUCTION ROAD STABILIZATION AS NEEDED. CONTRACTOR SHALL ENSURE THE CONS7RUCTON ENTRANCE DRAINS TO AN DAMAGING SLOPING UPLAND, AND WHERE THE SLOPE LENGTH NEEDS TO BE CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ADEOUA 7E E&S MEASURE. CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT ✓ CORRECT TRUNK ARMORING J 1J SEDIMENT TRAP- ONE SEDIMENT TRAP /S PROPOSED AT THE LOW 5/DE OF 7H£ y uj REDUCED 70 M/N/M/ZE SOIL LOSS ALL EROSION CONTROL MEASURES REQUIRED BY THIS PUN REGARDLESS OF THE PAVED PUBLIC ROADS PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ✓ SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. PROJECT. ONTO THE PAVED SURFACE WHERE SEDIMENT IS 7RANSPORTED ONTO A PUBLIC ROAD SURFACE THE ROAD SHALL BE TRIANGULAR BOARD FENCE J. TEMP� PORARY SEDIMENT 7RA17. TEMPORARY STABILIZA TON SHALL BE TEMPORARY SEEDING AND MULCHING SEEDING J.14 SEDIMENT BASIN -ONE SEDIMENT BASIN IS PROPOSED AT THE LOW SIDE OF THE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR A TEMPORARY BONDING AREA FORMED BY CONSTRUCTING AN EARTHEN IS TO BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO PROJECT. SWEEPING AND TRANSPORTING 70 A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER EMBANKMENT WIN A STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM CONSIST A 50/50 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, ORIN MARCH J18 OUTLET PROTECTION -OUTLET PROTECTION l5 PROPOSED AT THE OUTLET OF A SEGMENT IS REMOVED IN THIS MANNER. SMALL DISSETTLETURBED AREAS LONG ENO UGH TO ALLOW THE MA.gRITY OF 7FI 5. THE INITIAL S CONSTRUCTION I n R E SEDIMENT AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF ESC C UC ON MEASURES, AS SHOWN ST THE PHASE l EROSION IL SEDIMENT CONTROL PUN, SHALL TENDED d CULVERT. SEE THE ESC PLAN FOR THE DESIGN LOCATION. INSTALLED NEXT. THE CONTRACTOR SHALL BEGIN BY INSTALLING THE PERIMETER SILT FENCE PERIMETER MEASURES INTENDED OUT. USE BELOW DISTURBED AREAS WHERE THE TOTAL TRAP WILL E USED AREGERMANSU XCT T. STRAW MULCH IS E R APPLIED TR L INSPECTOR. ALTERNATIVES v DRAINAGE AREA IS LESS THAN J ACRES WHERE THE SEDIMENT TRAP WILL B£ U510 ARE SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. 3.19 RIPRAP- RIPRAP IS PROPOSED ON SEVERAL OF THE DITCHES AND WILL PROVIDE 7D TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE NO CONGER THAN 18 MONTHS AND IT MAY BE CONSTRUCTED EITHER 18. PERMANENT STABIUZAnOV SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING AND STABIUZA RON FOR THESE SENS171 VE AREAS FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PUCE. A-, .,� - - 2 s to-t � ; '. /NDEPENDENRY OR IN CONJUNCTION WITH A TEMPORARY DIVERSION DIKE 6. ONCE THE PERIMETER EROSION CONTROL MEASURES HAVE BEEN INSTALLED, AND THE COUNTY INSPECTOR HAS APPROVED MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90(BS/f0005F, J20 ROCK CHECK DAMS -ROCK CHECK DAMS ARE PROPOSED ON THE UPPER PORTION D R" t THESE MEASURES CLEAR/NC &LAND DISTURBANCE MAY BEGN THE CONTRACTOR SHALL BEGN W11H THE INSTALLATION OF X ^s. Nu 14 MPORARY S OlM N7 BAcr INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL FERTILIZER SHALL BE APPLIED AT 3v V; y- m m a L' OF THE EXISTING DRAINAGE DITCH NEAR THE HOUSE TO HELP REDUCE VECOCl TIES AND PROPOSED SEDIMENT BASIN j1. IMMEDIATELY FOLLOWING THE INSTAL"nO,N OF PROPOSED SEDIMENT BASIN {l, THE •--- i ,_---r-^n -,--* -,. ^ -+ o f000LBS/ACRE AND CONSIST OF A f0-20-fO NUTRIENT MIX. PERMANENT SEEDING A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE CONTRACTOR SHALL INSTALL THE PERIMETER DIVERSIONS DRAINING INTO IT. THE CONTRACTOR SHALL INSTALL ANY REMAINING - • • r '- °i "' SHALL BE APPLIED AT 1BOLBS/ACRE AND CONSIST OF 95X KENTUCKY Jf OR TALL PROA407E VEGETATIVE GROWTH. SEE THE PLAN FOR LOCATIONS G STRUCTURE FORMED BY CONSTRUCTANC AN EMBANKMENT OF COMPACTED SOL EROSION CONTROL ITEMS AS SHOWN ON THE PHASE l EROSION CONTROL PUN. THIS INCLUDES THE DIWRNONS CHECK DAMS --t O ACROSS A DRA/NAGEWA Y. TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED FESCUE AND 0-5%PERENN/AL RYGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS J32 PERMANENT SEEDING -PERMANENT SEEDING IS REQUIRED AND PROPOSED WITH THIS INLET PROTECTIONS AND ANY REMAINING 5/LT FENCE TEMPORARY SEEDING, PERMANENT SEEDING AND DUST CONTROL SHALL AREAS IN "WET" AND 'DRY^ STORAGE LONG ENOUGH FOR THE MAJORITY OF THE TO BE APPLIED AT 80LB5/1005F. ALTERNA77WS ARE SUBJECT TO APPROVAL BY THE PLAN. BE IMPLEMENTED AS REQUIRED. SEDIMENT TO SETTLE OUT. APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL EROSION CONTROL INSPECTOR. JJ8 TREE PRESERVATION AND PROTECTION- TREE PROECTI0N IS PROPOSED WITH THIS 7. ONCE ALL THE PHASE I EROSION CONTROL ITEMS HAVE BEEN INSTALLED & ARE OPERATIONAL, DRAINAGE IS PROPERLY PROFIIL CONTRIBUTING DRAINAGE AREA IS EQUAL TO OR GREATER THAN THREE ACRES. 19. MAINTENANCE., ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH CONVEYED TO THESE MEASURES AND THE ESC INSPECTOR HAS GRANTED APPROVAL, THE CONTRACTOR CAN MOVE ONTO ESC THERE MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR THE RAINFALL ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED PLAN. SEE THE ESC PLAN FOR THE REQUIRED LOCA T70NS PHASE E AT THIS TIME THE CONTRACTOR CAN BEGIN CLEARING THE SITE. E CONSTRUCTION OF A TEMPORARY IMPOUNDMENT. IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN SOS OF THE WET STORAGE J•J9 DUST CONTROL -DUST CONTROL IS REQUIRED AND PROPOSED WITH THIS PLAN. 8. AFTER CLEARING THE PROPOSED AREAS THE CONTRACTOR CAN BEGIN TOUCH GRADING THE SITE 70 THE CONTOURS SHOWN - VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN .J 18 OUTLET PROTECTION, NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION ON THE PHASE lI EROSION & SEDIMENT CONTROL PUN. THE PROPOSED RETAINING WALLS ALONG THE PER/METER OF THE S7RUCILRALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES OWES WHICH ARE COLLEC77NG SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED MAINTENANCE.' PROPERTY HOUSING THE HISTORIC HOME SHALL BE INSTALLED WITH PHASE 11. THE PROPOSED YARD DRAINS ASSOCIATED WITH PLACED AT THE OUR£TS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT AND REPAIRED IMMEDIATELY. IN GENERAL, DURING CONSTRUCTION THE RED OR CONTRACTOR ON -SITE WILL CHECK ALL THE RETAINING WALLS SHALL ALSO BE INSTALLED AT THIS TIME AND RILL SERVE AS TEMPORARY SLOPE DRAINS MEASURES � rSt-ati:Y SCOUR AT STORMWA TER OUTLETS TO PR07ECT THE OUTLET STRUDEL T o AND IO 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED EROSION AND SEDIMENT CONTROL MEASURES DAILY AND AFTER EACH SIGNIFICANT INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST 57EP WTH ANY LAND DISTURBANCE ACTIVITY ANO SHALL t 1 WITHIN JO DAYS YS OF FINAL S17E STABILIZATION, WHEN MEASURES ARE NO LONGER RAINFALL. MONITORING REPORTS WILL BE REQUIRED FROM THE RED IF NEEDED. SPECIFIC BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PUCE. MINIMIZE THE POTENTIAL FOR DOIWSFREAM EROSION BY REDUCING THE VELOCITY 9. THE CONTRACTOR SHALL INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE PHASE ll EROSION CONTROL .' T u„ •T in AND ENERGY OF CONCENTRATED STORMWATER FLOWS APPLICABLE 70 IHE QURE%S NEEDED, SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS' PUN. AT ACTS TIME, WHEN THE SITE IS ROUGH GRADED THE CONTRACTOR MAY ELECT N INSTALL THE SANITARY SEWER. 2� < 0.tn • - vZ OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS 21. THE E&S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE E&S CONTROLS AS o. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN C7 NECESSARY IN THE FIELD AS SITE CONDITIONS CHANGE. IN ADDITION, NO SEDIMENT THIS IS OPTIONAL, AND THE CONSTRUCTION OF THE SANITARY SEWER MAY B£ DELAYED UNTIL ESC PHASE 111 WHEN THE SITE J.19 RIPRAP, ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. IS FULLY AT PROPOSED ROUGH GRADES BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION. 7 A PERMANENT, EROSION -RESISTANT GROUND COVER OF URGE, LOOSE, ANGULAR b. ALL GRAVEL OUTLETSPE WILL BE CHECKED REGULARLY IS FOR SEDIMENT BUILDUP THAT 10. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL t _i WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT, THE GRADE IS REACHED ON ANY PORTION QU THE SITE TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS CAI i o STONE WITH FILTER FABRIC OR GRANULAR TEDERUNING. 70 PROTECT THE SOIL GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL BE REPLACED, TO DENUDED AREAS THAT MAY NOT BE A7 FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 C Ex t±- FROM THE EROSIVE FORCES OF ENHANCCONCENING THE RUNOFF, SCOW THE VELOCITY OF SOIL DESCRIPTION c. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS TEAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR cT R -'-'' { T •'+: KK:-t`„`n(:} W CONCENTRATED RUNOFF NH/LE' ENHANCING THE POTENTIAL FOR INFILTRATION. AND DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE 11. ONCE THE SITE IS ROUGH GRADED AS SHORN ON IED ESC PHASE II PUN, THE CONTRACTOR SHALL PROCEED 70 ESC PHASE "F A M Q N TO STABILIZE SLOPES WITH SEEPAGE PROBLEMS AND/OR NON -COHESIVE SOILS 273-ELIOAK LOAM-2 TO 7Z SLOPES SOIL IS WELL DRAINED WITH A MEDIUM RUNOFF c' Q REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE III. THE CONTRACTG7 SHALL RELOCATE THE CON57RUC77ON ENTRANCE FUELING AREA, DEMPSTER, PORT -A -POTTIES AND i USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL CONDITIONS, WATER CLASSIFICAT/ON. SURFACE LAYER IS TYPICALLY LOAM AND ABOUT 0-e" THICK. THE PLAN J TURBULENCE AND VELOCITY, EXPECTED N FLOW CO COVER, ETC., ARE SUCH THAT DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 80". TOP OF THE BARRIER. CONTRACTOR STAGING AND TT SHOWN ON THE PHASE 111 EROSION &SEDIMENT CONTROL PLAN, AND BEEN INSTALLATION OF t 1Nf SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS 27C-ELIOAK LOAM-7 TO 15X SLOPES. SOIL IS WELL DRAINED WITH A MEDIUM RUNOFF d. ALL SEEDED AREAS WILL BE CHECKED REGULARLY S SEE THAT A GOOD STAND /S THE UTILITIES CURB AND GUTTER, AND ROADS AT THIS TIME, THE 7H EXIS77NG S SHALL SWVRKEAL WITH THE ESC INSPECTOR ON ^0 MAINTAINED. OF EM AREAS SHOULD IM FERTILIZED AND RESEEDED AS NEEDED. THE TIMING OF THE REMOVAL R 7H£ EXISTING SEDIMENT TED BASIN THE EXISTING SEGMENT SHALL REMAIN PULCTIONAL AS LONG CV I..L a CLASS/FICA WON. SURFACE LAYER l5 TYPICALLY LOAM AND ABOUT 0-B" THICK THE -" tV e,I. -.-., ,.., ,L ,�,,�F � W c SMALL ROCK CHECK DAMS O CASE A EMERGENCY, THE PRIMARY CONTACT FOR THE PROJECT WILL BE WO W AS POSSIBLE. MF PROPOSED RETAINING WALLS £RENTED IN THIS VICINITY, NEAR THE INTERSECTION OF POLO GROUNDS ROAD DEPTH TO THE WATER TABLE /S GENERALLY MORE THAN BO". AND THIS A ROAD SHALL BE INSTALLED CON LIRE THEY WITH THE FILLING OPERATIONS W THE EXISTING SEARS L BASIN _ SMALL TEMPORARY STONE DAMS CONSTRUCTED ACROSS A SWALE OR DRAINAGE OR CONTRACTOR ON -SITE. THE CONTRACTOR AT THIS TIME IS DIGS BROOK WOOD WITH Ql ^ c 270-ELIOAK LOAM-15 TO 25% SLOPES. SOIL IS WELL DRAINED WITH A HIGH RUNOFF AND THIS AREA. THE CONTRACTOR SHALL ENSURE THE RETAIN/NC WALLS' TOP ELEVATIONS IN THIS VICINITY ARE LOCATED ^- --- r- ,.: DITCH. TO REDUCE THE VELOCITY OF DITCENI THIS AC77CE ALS FLOWS THEREBY DIGS MAY BE REACHED AT 77ON 978-4 PR IN ADDITION THE OWNER MAY BE N CLASSIFICATION PH TO SURFACE DYER IS TYPICALLY LOAM AND ABOUT 0-B" THICK THE CONTACTED. UPON COMPLERON OF THE PROJECT, THE OWNER WILL BE RESPONSIBLE ITEM - REDUCING EROSION OU THE SWALE OR Dl7CH. THIS PRACTICE ALSO TRAPS ABOVE THE FILL PORARY ELEVATIONS A7 THE END OF EACH DAY UNTIL FINAL GRADES ARE ACHIEVED. THE PERIMETER SEDIMENT GENERATED FROM ADJACENT AREAS OR THE DITCH ITSELF, MAINLY BY DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN BO FOR SITE MAINTENANCE. DIVERSIONS AND SILT FENCE SHOWN /N ESC PHASES l & lI OF THE ESC PUN SHALL REMAIN FUNCTIONAL AS LONG AS BONDING OF THE STORM TER RUNOFF. THIS PRACTICE, U77LI27NG A COMBINATION 390-HAZEL CLASSIFICATION. A ON. SCOPES. SOIL IS EXCESSIVELY DRAINED D A A MEDIUM POSSIBLE AND SHALL NOT BE REMOVED UNTIL THE ESC INSPECTOR HAS GRANTED APPROVAL INLET PR07C77ONS SHALL ALSO ; OF STONE SIZES IS UNITED TO USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 RUNOFF CLASSIF/CA7/ON. SURFACE LAYER 15 TYPICACCY LOAM AND ABOUT 0-IO" BE INSTALLED IMMEDIATELY FOLLOWING STORM INLET INSTALLATO S. THE INLET PROTECTIONS SHALL BE INSPECTED AFTER SECTION A -A W ACRES OR LESS THICK. THE DEPTH TO THE WATER TABLE IS GENERALLY MORE THAN 60", EACH RAINFALL EVENT AND REPAIRS SHALL BE MADE AS NEEDED. IF THE STOVE FILTER BECOMES CLOGGED WTH SEDIMENT \J LL ?. aI TEMPORARY SEEDING, REFERENCE WEB SOIL SURVEY ONLINE DATABASE FOUND AT SO 774AT IT NO LONGER ADEQUATELY PERFORMS HIS FUNCTION, THE STONE MUST BE PULLED AWAY AND CLEANED ANDIOR REPU CED. .A. mM-1 W'attr f of 1 huh must be uisraWed uith a nm It I huh batlene@ /7 THE ESTABLISHMENT OF A TEMPORARY VELETA AYE COVER W DISTURBED AREAS BY http://websailsurveynres.usda.gov/app/WebSoilSurvey ospx` ����jjj J 12. ONCE PHASE Ill OF REMOVE THEON IS COMPLETE, THE SITE l5 STABILIZED AND THE INSPECTOR HAS EVEN APPROVAL, THE atMutf tiaWx . a u-asW ho::t Willa a JiamAHs Of 7.3 htches fttt ad Wa{e J Z L SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PUNTS 70 REDUCE _,trlTlt CONTRACTOR CAN R£MOYE THE EROSION &SEDIMENT CONTRIX MEASURES INCLUSIVE OF CONVERTING PROPOSED SEDIMENT prrvwrt _ EROSION AND SEDIMENTATION BY STABILIZING MORE THAN AREAS WHAT O R NOT BE c 1m1t lYxxh Watar mn 1 he carried aWac ¢ana die mth'axce M an BASIN it TO A PERMANENT SNM FACILITY. NO ITEM SHAM BE REMOVED, 7NROUGHOUT ALL PHASES O" CONS7RUCTIW, '^ BROUGHT TO FINAL GRADE FORA OFF TO OF MORE THAN 30 DAYS TO REDUCE UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. approt'arl r•Y arts lO rasmV'e se[hmeW. ."lu sttWnmt ahai bt pr¢t'adal5wu (n L J to PRO FROM 07ECR SEDIMENT AND RUNOFF 7D DOWNSTREAM OR OFF -SITE AREAS AND NU,-U; M-NE It-, ditches M W �R¢rLomxC.Y. 7J. THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGIN/A EROSION AND SEDIMENT TO PROVIDE PRO TA77ON TO BARE SOILS EXPOSED DURING CONSTRUCTION UNTIL W W PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES CAN BE TABLE 339-A CONTROL HANDBOOK, REMOVING ONLY WIHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR /N ACCORDANCE WITH THE M ESTABLISHED. 1992 3.14 VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK PAVED WASH RACK r- W O 6 ADHESIVES USED FOR DUST CONTROL 74. ALLALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN JO DAYS AFTER FINAL 517E JJ2 PERMANENT STABIUZA WON STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE - ' "'A-' 0 ENE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY j �] T� T,I�[r Water Application LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF _j � Z PLANING SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM EXAMPLE PLAN • VIEWS !I J OF DUunon Type of Rale TEMPORARY MEASURES SHALL BE PERMANENTLY STABIUZED TO PREVENT FURTHER EROSION AND SEDIMENTATON. DISTURBED AREAS TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER AAA IG19h�SiY.C�w.-I N-II, Gallon IA- -.- J ` THAT IS ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF BAFFLE LOCATIONS IN ROCK" CIIFCA' DA.11 � Z � U 0 c THE MOST APPROPRIATE PUNT MATERIALS TO IMPROVE WILDLIFE HABITAT. TO SEDIMENT BASINS O ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION ACTIVITIES ALL AniOmc AREAS WILL RECEIVE A PERMANENT VEGETA 77W COVER. Asphalt Emulsion 7:1 Coarse Spray 1,200 j t 1. SET POSTS AND EXCAVATE A LINE 2. STAPLE `MBE FENCING TO THE 2 ACRES OR I.f;;`S OF DRAINAGE AREA J Z J. TB IR PR S RVAWON AND PROTECTION, Latex EmuLsioo 115:1 Fine 5 235 77 ]BENCH UPSLOPE ALONG THE LINE POSTS. PROTECTION OF DESIRABLE IR C FROM MECHANICAL N OTHER INJURY DURING �- o "Q pray �� °0y x. �y r OF POSTS Y O LAND DISTURB/TUG AND CON5IRUCTIW ACTIVITY. 7D ENSURE THE SURVIVAL OF pray J __ W c DESIRABLE TREES WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT Rs[a Resin in Water 4:1 Fme S 3W 6 c \'•, CONTROL, WATERSHED PROTECTION, LANDSCAPE BEAUnFlCATION, DUST AND POLLUTION CONTROL, NOISE REDUCnON, SHADE AND OTHER ENVIRONMENTAL r AmliU Emulsion BENEFITS WILE' THE LAND l5 BEING CONVERTED FROM FOREST TO URBAN -TYPE ' D/tr (VomTraffic) 7:1 Coarse Spray 450 Z L USES APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING L I.I LU z L rorK oa-1 Acrylic Emulsion r>m 1 1 1DOWTSIR.:AN NTE"W) �-- xoawL pba TtE voxr xR w _ _ - ACTIVITI£S m c r ro (ToCLLHc) 3.5:1 Qrarze Spray 350 ul /� /� T Lu J 9 DUST SURFACE ' A O TEMPORARY iB' DivErsslON Hmx / // / v�or rt 7 W �L REDUCING SURFACE AND AIR MO VEM£NT OF DUST DURING UND DISTURBING, / / 3,E AGGREGATE (� � Q DEMONTIW AND CWSIRUCnON ACTIVITIES. TO PREVENT SURFACE AND AIR HxaoL SOU- Va. DSWC L- P MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WINCH MAY PRESENT HEALTH HAZARDS TRAFFIC SAFETY --�^ /z ) msw FLOW ~ ui v PROBLEMS OR HARM ANIMAL OR PLANT LIFE DUST CONTROL MEASURES SHALL BE TO o -qVs�, 4 21 T z EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF OUST DURING J ATTACH THE FlL TER FABRIC TO 4. BACKFILL AND COMPACT THE ` O _x c CONSTRUCTION. MEASURES EMPLOYED SHALL BE /N ACCORDANCE WITH THE VESCH TABLE ]Jt-B THE WIRE FENCE AND EXTEND EXCAVATED SGL 06 EROSION CONTROL NOTESRL�DP 0R Ircc1 /T INTO THE TRENCH. � ACCE,P1'ASL6 TEMPORARY REEDING PiARP MATERIALS AL ES-1: UNLESS SEDIMENT CO ROICAT£D, ALL VEGETATIVE AND 57RED ANDL EROSION RENT CRY )t TscUE 120 tBS. 2-10 ACRES OF DRAINAC,E AREA O AND SEDIMENT CONTROL PRACTICES LNLL BE CONSTRUCTED AND MAINTAINED xoRMx. Boa �a1t 'QUICA REFERENCE FOR ALL REGIONS' RED TOP GRI55 2 HBS. Q ca r^ ACCORONC TO M/N/MUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA axrne V / EROSION AND <s' SEl50WLL NURSE CROP 20 1B5. -O/MENT D SELUM HANDBOOK AND IRON/A REWU TONS VR , ^ 625 PLAN A EROSION AND SEDIMENT CWTRIX REGULATIONS Rate aA N na rnoP 5G lB5 V �j �_;_ / yR_, - V O ES-2:7HE PUN APPROVING AUEHORTY MUST BE NOTIFIED ONE WEEK PRIOR TO THE Nannag Dates S�.CC£ (IN.I.Crel """C" ��_ / _ / _ PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT = _ _ �` FEBRunfi' is iNROuctt IaRIL nriNuu IRS ��- OF LAND D157URBING ACTIVITY, AND ONE WEEK PRIG] TO THE FINAL \ IMY 1 THROUGH AUGUST 15 FGXTUL WCLEF ' Jr� O N INSPECTION. �` P Z /a SRPL I - Feb. IS 50150 MIA of AUGUST 16 THROUGH X70BER ANxUA1 RHE ��/�j / �� F1:.Tt'P ct O N w ES-J.-ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO \ 1 i ^ ` Aomsal Ryegrau NCNEMRER THROUGH FFBRUARY 15 VINTER FIE FLOW / opt:ON,, r- OR AS THE FIRST STEP IN CLEARING NDTES ' ES-4. COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PUN SHALL BE $ 50- !W _ (DOWNSTREAM `.'IEWI ` MAINTAINED ON THE SITE AT ALL TIMES L - a1 . Li t. uME AND FER'tu ZER NEEDS SHALL BE DETERMINED BY SOIL tJt E S -5 PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTTER THAN xnow Cer<ffi (Winles) Aye TESTIS AND APPL LIED N ACCORDANCE SHALL WEN �ESCHETERM STD. y S EXTENSI BR/ A I THE TRENCH F ` ($!tale ,Yfe'JIC1 Q�F F yQ }�/g LJ 11.5€7 AGGRILGATF. T I G tj E INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED T0, OFF -SITE (J/-'t� 2 SEEDHN GE TO BE MULCHED IMMEDATELY UPON COMPLETION 1; BORROW G7 WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A �s x 1/S cxrtwrn r y SSF Wi WlR o SUPPLEMENTARY EROSION CONTROL PUN TO THE OWNER FOR RENEW AND caauawr y OF SEED APPLICATION N ACCORDANCE W/ VESCH STD 3,35. i m N APPROVAL BY THE PUN APPROVING AUTHORITY. J_ F<D. 16 - Apr. 30 A-.g Rycvr 60 - HOD ES-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLA TON OF ANY A00/TIONAL Qn1ia�.mNtl:9enw) PS PERMANENT SEEDING SCHEDULE )OB NO EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND „„ AMR o SCALE 182150 SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. ES-]: ALL MEASURES DISTURBED AREAS ARE RI G LAN TO APPROVED SEDIMENT CONTROL " " I atNo,- -- Hutt s n+c eRaao. May I -Aug 31. Gearoarl Millet 5U (STD. & SPEC. 3.32 OF VIRGINIA EROSION @ MEASURES AT ALL TIMES FINALS LAND DISTURBING ACTIVITIES AND DURING 9• SCALE c SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. (Snaria Yalira) SEDIMENT CONTROL HANDBOOK, 3RD ED.) `­.: 1 R vxav c ES-8.-DUR/NCI D£WATER/NG OPERATIONS WATER WILL BE PUMPED INTO AN APPROVED BAFFLES SHALL EXTEND FROM THE BOTTOM OF THE SEDIMENT BASIN TO A NONE ` -....m. _....... -_.. _.-_- v WATER FILTERING DEVICE. INIMUM F6•ABOVETHE RISER OVERFLOW, AS SHOWN ON THIS DETAIL. ES-9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROLA MEASURES S-,-: Va. DSWC plate S20- F711 NECESSAALLY PAI AFTEREACHRUNOFFA TAW THERAINFALL EVENT: ANY Source: USDA -$CS P18te3.14-S,wrcc: V. DSWC NECESSARY REPAIRS VI EACH TO MADE LM THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. LEGEND oo TH OF PROPERTY LINE ° G ° --------------- PROPERTY BUFFER LINE -- _.1 04SCOTT R. COLLINS'z r LIMITS OF DISTURBANCE - � 30' w10E POLO ° � Lac. No, 035791,' GROUND ROAD ° PROPOSED SAFETY FENCE, - S - O q �Q- INSTALL SIGNS 'WARNING BUFFER DRAINAGE DMDE / QUICK SAND,. KEEP Our A - slp PROPOSED k8' DIVERSION z CONTRACTOR SHALL ENSURE.. EXISTING STREAM O z �L POSITIVE SLOPE IS MAINTAINED, D PROTECTION U\ w/ WIRE BERM SHALL BE STABILQED AS LIMITS OF DIS U—CE, W( WIRE { \ BACKING A FIRST STEP IN D RBANCE. IF, TOTAL AREA=7.01 ac S BACKING P - O z \` \ PROTECT BOUNDARY -- - O (TYP - -.1 o Z 2 W/ WIRE o w w ai CO y BACKING O f I I NOTE: THE SANITARY SEWER LINE THROUGH BLOCK SHALL BE INSTALLED O O O NITARY WEI 'CUTTING PLAN', PER SUR CONSTRUCTION OF THESEASHEETS SHALL BE THOUGH BLOCK .. Y GOOSED 36' RCP o J ? j aja N UNDER ACSA REVIEW, PHASES I B II EROSION B SEDIMENT CONTROL - 5TANGRIPE O CI F- v MEASURES SHOWN ON THESE SHEETS SHALL BE INSTALLED PRIOR TO THE DRAINAGE DIVIDE (TYP,) t v O � U� O O ROPOO v PSED ° w K w w BAFFLES, ZFe ..SEE SHT, REA OF THE 30"WIDE O U c w f f 3 FOR POLO GROUND ROAD 4 --- - OETAIL BUFFERWRHINTHE ; m m m LIMITS OF DISTURBANCE / SB SHALL BE REFORESTED 1 \` STEEP O ~ n n o MANAGED STEEP RESERVED ° w w w c SLOPES (T'P.) I SLOPES (TYR b O > w>> v J � , W �ww a - PROPOSED FLATVDOTOT CT N./GE F a ce INV.=3820 ,. AGGREGATE OULIET PROTECTION w/GEOTI:XTILE ° FILTERFABRC UN-35%W2= &VDOT EW-1PC (L 30, Wl-3.T5', W2=11', D=9" MIN.I. � LIMITS Of DISTURBANCE \ O APPROVED LEVEL SPREADER LS-30, 9 COIN DES WITH THE 20 - " ,,_�33 : o UNDER WRO201800013, IS NO v WIDE HISTORIC HOUSE , �;., .:--•°"�'� o LONG ERNECESSARYWRHTHIS ° BUFFER IN THIS AREA s 0 THIS PLANRROPOSES TO REMOVOPOSED E TIE SB #1 w/ WIRE O ,. O REQUIREMENT FORTHE INSTALLATION r { TREEBOUND aC. BACKING SOIL R� ` OF LEVEL SPREADER 15-10. ARY I N / LL AND o ROTELTIDN RyP,) / y,� ` POND 6T0. UCTUR ONCE TO BE O TC ` J TP / E VED ONCE _. TS NT BASIN IS ry ry � ry PRO TO O BE REMOVED t ,,: J 20' EXISTI T STREAM —DRAINAGE DIVIDE - ' :.� INV =384.0 I` RR OP08ED STONE =' WEIR OUTFALL ° E O �00 � O: i Y/ RU OF THE 30 WIDE O ° I { y - i OPAINAGE TO 5B 1`1 1 POLO GROUND ROAD o GY) \ 1 BUFFER WITHIN THE O M LIMITS OF DISTURBANCE 0 N v \ : L SHALL BE REFORESTED 'm 9 s o EXISTING c) 3 o v VEGETATION N� INV 3860 A o x. 20' WIDE HISTORIC \ - ' EXISTING SEDIMENT BASIN TO REMAIN NG 0 N ° -- HOUSE BUFFER LIMITS OF DISNRBANCE DURING 1HE ESC PHASES 18I1 (DURING \ LIMITS OF DISTURBANCE P.) C COINCIDES WITH THE 20' THE PRIMARY GRADING / EXCAVATIONERATI NS). FOLLOWING THE MATOR O (r o PROPOSED PHASES I WIDE HISTORIC HOUSE _ GRADING OPERATIONS SHOWN ON ESC PROTECT BOUNDARY MR.) I _ PROPOSED STOCKPILE PHASE IT, THE EXISTING SEDIMENT BASIN R , \ w 04 N B D CONTRACTOR BUFFER IN THIS AREA h �^ STAGING AREA - SURROUNDED BY SHALL BE FILED. AT THIS TIME, PROPOSED w 0 PROPOSED PH0.SES I B It PAVED PROJECT LIMBS SILT FENCE SEDIMENT BASIN fI,RS PRIMARY \ IP O Q J CRS CONSTRUCTION ENTRANCE (12'X]0' MIN.) MR.) TREE - A DNERSINS B DOWNSTREAM ESC w/ WASH RACK B DOWN GRADIENT PROTECTION MEASURES SHALL REMAIN FUNCTIONAL AT }} v \ f ); O ° - CE DIVERSION B SEDIMENT NT BASIN TP ` THE OF EACH DAY. _ o L L DC INV 388.0 ;-� P 0 O `o �., A U) ^ EXISTING GRAVEL DAM TO " O t n or ��J Z $ BE REMOVED WITH THE O `V- j w v PROPOSED 18' DIVERSION D � �M SVEDIMENT THEL OF EXISTING � � 0 � 1 POSITIVEACTOR SlAl RE SLOPE BERMS—BE15 MAINTAINED. �'YW O Q C c '• T \ A FIRST STEP IN )IASTVRBANCE BACKING = R a 0 U Ln a LIMITS OF DISRiRflANCF r COINCIDES WITH THE ES L B [F - �y i PROPERTY LINE IN THIS AREA , - ' 'T^ L ES I OF W .. _ = { � DIVERSION lam: \` T O b i' C : ® +" POR A -POTTIES TS INV.=390 0 •� w Y ZZ a \ l �i. PROPOSED CONC DI CD _ o 9 _ PROPOSED LIMBS OF \ - W �'_ \C WASHOUT AREA :DD'. CD IF DISTURBANCE, TYP \ O j (n E IP u■ J w m CONTRACTOR SHALL ENSURE DURING ESC PHASES _ I B II, WHEN THE BUIX OF THE CLEARING A �J,J * P O -. .. - w/WIRE IP-ar.iH GRADING OPERATIONS OCCUR, THAT THE O N = W w BACKING , _ IP _ DOWNSTREAM DIVERSION IS IN PLACE 0 O LL - \ \ " IF [ FUNCTIONAL AT THE END OF EACH DAY. _ O DRAINAGE DMDE (TYP) T T *'.. ,. PHASESIBIILOCAtIOFf"` ,�: w/WIRE - BACKING ' OF 1S, DUMPSTER : _.� _ � I{ PNASESIBI , -- .-w. ---"'- , APPROVED WP0201700037 DRAINAGE AREA TO 0 • f— O LP LOCATION OF a , ,' . - POND 10 (EXISTING SEDIMENT BASIN)-] 40 ac. FUELINGARE4 PRO]ECT80UNOARY (iYP) PROPOSED DRAINAGE AREA TO EXISTING \ W w.. _ E = WITH mis PLAN- B _.00 " SEDIMENT BASIN W i.2 o co THE FUELING TANK SHALL BE COMPLETELY SURROUNDED BY A 2' DEEP, 2 WIDE EARTHEN BERM _-1- W / - - 0 OO WITH A HEAVY MIL POLYETHYLENE LINING, OR BE / / \O v PLACED IN AN IMPERVIOUS OPENTN DUMPSTER. CONTRACTOR SHALL INSTALL A R/W DIVERSION THE ROMSED BERM OR OUMPSTER SHALL CONTAIN ACROSS THE CONSTRUCTION ENTRANCE. CE / �F 0 O FUEL IN THE EVENT OF A SPILL CONTRACTOR SHALL RUNOFF TO OUTFALL INTO A SMALL DEPRESSION O O o 0 O ® O O. O O \ v ENSURE VOLUME CAPACITY 1510%URGER THAN TO TRAP SEDIMENT BEFORE CONTINUING INTO O w E THE MAXIMUM VOLUME OF STORED FUEL. THE. SEDIMENT BASIN', DIVERSION. / -- -' - ® o t- oue0 \ U G F IT a GRAPHIC SCALE i— / a TOB No. v w o p w m so , ` 182150 o / ( IN Feet > A ° � � 1 "=40' o 1 LAch = 40 (t / i .. ° SH EET NO o / IT 4 0 -`JNI833NI`JN3 SNI1100 to lua.uo, u.p...said., ayl lnoq, 6,,ls uoi,,ls >./p., '6,!pp!q 'uoilanilsuo, of pallwll I., lnq 'anlsnloul ana—Wqo aso a"a nuo "J pas' aq lou IJ., pao I... ul ,o aluym .� e 3 — ­ srvi 1 i,, - ^ —...,... 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G� Sw ka ® o /ag = ° \ O - o W o � o° 3om ry „s sa � i Y-1 $� 2,. ay •\ h o�w L. o � a U � ; - n s S -�� _' _ m a �_8 l Rz Fd 0 I 1 sow, - - J z �I tO Os. w V a3sz 'z d G > _ ;o S" In, LL w v rz ° `o = '"' i•-_ow�5i� m m % W £ l 0 EAll Jb ww g g y �� gggg g ao z' i �nv'ui.H i i A I a � I r � � 6sssassa F n H''_ "HF $�97 ------- i- Q��as�3�� 'Qo a w ioWww o� G z/m T wig -6 5-0 °�o hO �No o:LL �o moo - Z III msa -° - w- e �mLLm m �o �z ��.�ce�'' �W r z Kims o s-2 wuw-�a I w t r 6 �z� 4 \ � \ Ear I - o � T. F , 64' d v � O w 3 /.Sod \ 1 - Section 5 - Stormwater Management Plan * Approved Outfall POI-11 Analysis PRE -DEVELOPMENT SWM PLAN: STORMWATER MANAGEMENT NARRATIVE: POST -DEVELOPMENT SWM PLAN: Proposed Impervious Area Summary SCALf ]'=60 1. All d me and constructed FlII to be w[thin 95% of max mum dry OVERVIEW: SCALE]'=60' WATER QUALITY TH 1-year 2-year 10-year density and 2% of optimum moisture content. All fill mater,l to Of, be approved by a geotech,i,,l engineer. A geotechn cal engineer is THIS PROJECT 15 PART OF THE BROOKHILL DEVELOPMENT, AND STORMWATER TREATMENT IS PROVIDED TO Proposed Roadway 54,500 sf GjP Q Ex sT xn (cfsl 12.11 26.42 84.09 t be present durng c ..truct'on of dome. MITIGATE THE IMPACTS FROM THE PROPOSED IMPROVEMENTS. THE STORMWATER MANAGEMENT PLAN Q (fs) 4.54 8.08 35.13 2 Pipe antl riser jo nts Ore to be wctert ght with n st,rmw t.r COMPLIES WITH PART DB SWM REQUIREMENTS. Proposed Sidewalk 12,450 sf N ant /°9e ties. Proposed Build ngs 66,925 sf Q AE oswso (cfs) 5.95 - - 3 For temporary tlment traps or basins which ° e to be converted WATER QUALITY SUMMARY OSCOTT R. COLLINS'z <- Ma ximum Additional Flows Allowed to POI-11 to permanent stornwater management fpclites: rconverso 1, not THE STORMWATER QUALITY REQUIREMENTS FOR THIS DEVELOPMENT ARE MET THROUGH THE USE OF THE Proposed Driveways 17,425 sf per the to take until the site I. stabilized, and permission has been BEST MANAGEMENT PRACTICES OF A LEVEL II WET POND AND THE PURCHASING OF NUTRIENT CREDITS. THE / U Lic. No. 035791 .a Water Quantity Credit, cfs 1.41 18.34 48.96 p ace un ' Stella Road Pavement &Sidewalk 11,100 5f Approved WPO 201800051 plans. obtoined from the County eras on contrel inspector. PROPOSED DEVELOPMENT REQUIRES SP OVERALL PHOSPHOROUS REMOVAL RATE OF 6.7A INING AND THE A F2' LEVEL U WET POND PROVIDES A PHOSPHOROUS REMOVAL RATE OF PUT be/yr. THE REMAINING BALANCE ' - 162,400 sf OF 0.83 Ibs/yr. WILL BE MITIGATED THROUGH THE PURCHASING OF NUTRIENT CREDITS. IONAL EyyG _ z * Additional Flows to POI-11 From Subarea C IN ACCORDANCE WITH COUNTY ENGINEERING DIRECTION, THE IMPERVIOUS AREAS FROM STELIA LANE ARE i ASSUMED TO BE ZERO IN THE PRE -DEVELOPMENT ANALYSES FOR BOTH WATER QUALITY AND QUANTITY, - BUT ARE ACCOUNTED FOR IN THE POST -DEVELOPMENT ANALYSES. <-Proposed Subarea C additional flows to P01-11 do not i Proposed Subarea C, cfs 0.83 1.17 2.18 exceed the approved flows / credits listed above and in ALSO IN ACCORDANCE WITH COUNTY ENGINEERING DIRECTION, THE VRRM WATER QUALITY COMPUTATIONS _ WPO 201800051 for MS-19 & Energy Balance Compliance. r' TAKE STELLA LANE', AREAS INTO CONSIDERATION. (PLEASE NOTE, THE VRRM 'SITE' LAND COVER IS CONSEQUENTLY DEFINED BY THE PROPOSED LIMITS OF DISTURBANCE PLUS THIS PORTION OF STELJA LANE.) PLEASE ALSO NOTE, THE OFFSUE AREAS NOT BEING DEVELOPED IN THE VICINITY OF THE HISTORIC ' Flood protection was approved under WPO 201800051 by conveying runoff in an adequate Channel (pipes & culvert) to HOME ARE NOT PART OF THE VRRM 'SITEAREAS. THIS IS A STATE-WIDE INDUSTRY STANDARD, AS THESE {+. mapped floodpla'n. Channel protection was approved under WPO 201800051 via Energy Balance requirements In AREAS ARE NOT PART OF THIS PROJECT. ADDITIONALLY, TO ENSURE A CONSERVATIVE / COMPLIANT PLAN, _ accordance with the a THE OFFStTE AREAS NOT BEING DEVELOPED NEAR THE HISTORIC HOME ARE OMITTED FROM THE 'DA A' pproved WPO 201800051 plans, there 5 a 1 yr, 2 yr. and 10- year deten on overage for water WATER QUALITY CALCULATIONS, THIS IS A CONSERVATIVE DESIGN BECAUSE EVEN THOUGH THE WET POND TREATS THE UPLAND OFFETTE AREAS IN REALITY, IT WOULD FALSELY GENERATE A HIGHER PHOSPHOROUS i quantity compliance. Please see above for the water quantity overages / credits. m" ♦� ,.� z REMOVAL CREDIT IN THE CALCULATIONS SINCE IT WOULD TAKE CREDIT FOR AREAS IN ITS WATERSHED WATERSHED SUMMARY THATARE OUTSIDETHE SCOPE OFTHIS PROJECT. THESE OUSITE AREAS WERE ACCOUNTED FOR IN THE S f f WATER QUANTITY ANALYSES. U VV U WATER OUANTITY SUMMARY Z i CN Area, ac. 1-year Flow, 2-yedr Flow, 10-yeaf FIOw, _ SUBAREAS A & B AND SUBAREA C MEET MINIMUM STORMWATER QUANTITY REQUIREMENTS. " z cfs cfs cfs + o ,- a o 0 THE PROPOSED DEVELOPMENT, WHICH IS MOSTLY ENCOMPASSED WITHIN SUBAREAS A & B, A A) WAS t ,.-� x z U U U V DA A (Pfe-Dev.) 58.6 6.13 1.39 3.16 11.06 r "• � '' � '+,, IMMEDIATELY UPLAND OF AN EXISTING CHANNEL. A PROPOSED LEVEL II WET POND (SUBAREA Aj WAS - � � '` ' un DA B (Pre-Dev.l 56.7 2.16 0.34 0.96 3.77 m CONSERVATIVELY DESIGNED ASSUMING THE PROPOSED UNDERGROUND DETENTION SYSTEM (SUBAREA B) " • fir. `,, (� ♦ [S CLOGGED. THIS CONSERVATIVE DESIGN PROV[OES A FACTOR OF SAFETY &FURTHER CEMENTS THE { ,�, t' \ ♦. # f f w 58.1 8.29 1.73 4.12 14.83 t.� . . , ' PLAN's COMPLIANCE. CHANNEL AND FLOOD PROTECTION REQUIREMENTS SET FORTH IN 9 VAC 25-870-66 d x r - O O H z " ARE MET. PLEASE SEE THE ATTACHED STORMWATER MANAGEMENT CALCULATIONS PACKET FOR ADDITIONAL DETAILS. CN Area,— 1-year Flow, 2-Year Flow, 10-Year Flow, •�. �', { " `` J . A/� cfs cfs THE MODIFICATIONS TO THE STORM SEWER STRUCTURES ALONG STOU, LANE (SUBAREA C) WERE ALSO 'i' . '-""' " )" " �// cfs-' ANALYZED FOR 9 VAC 25-870-66 STORMWATER QUANTITY COMPLIANCE. IN ACCORDANCE WITH THE " '' ' J / -W. N p p W DA A (POSt-Dev.) 76.4 6.97 • AP ROVED WPO 201800051 PLANS, STELLA LANE's PEAK POST -DEVELOPMENT FLOWS ` 0.31 2.14 11 03 (Q developed) AT .. / ;.. r. w DAB (Post-Dev.) 77.3 1.32 ,� "o POINT OF INTEREST-11, OR POI 11, ARE SUBSTANTIALLY BELOW THE MAXIMUM ALLOWABLE FLOWS (Q �' . "'� Y" j j - un " allowed . THE APPROVED WPM 201800051 CALCULATIONS SHOW AN OVER DETENTION FOR PO - ,. > o > I 11, WHICH W z z Jcs R29 0 31 2.14 11 ALLOWS F00. MINOR ENERGY RUNOFF (SUBAREA C) TO MINOROUTFALLTO IT E IN RUN NEGATING NOTE: Wet Pond flouting Cacs (For Quantity Compliance) Conservatively Assume a Clogged UGD �t APPROVED MS-19 8 ENERGY BALANCE CALCULATIONS. THE MINOR INCREASE IN RUNOFF TO POI-11 FROM for DA B where flows are bypassed directly into the pond. . THIS PLAN / SUBAREA C, WHEN ADDED WITH THE APPROVED WPO 201800051 POST -DEVELOPMENT FLOWS - „'� �• - (Q developed), CONTINUES TO REMAIN BELOW THE APPROVED MAXIMUM ALLOWED (Q allowed) FOR POI-11 " PLEASE SEE THE ATTACHED CALCULATIONS & WPO 2B1800051 FOR FURTHER DETAILS. PLEASE ALSO SEE + ♦ �... THE TABLES AND NOTES BENEATH THE TABLES ON THIS SHEET FOR ADDITIONAL COMPLLANCE DETAILS AND + . SUMMARIES. AV w �. THE VRRM WATER QUALITY CALCULATIONS' BOUNDARY I �#� THE VRRM WATER QUALITY CALCULATIONS BOUNDARY I DEFINED BY THE ESC LIMITS OF DISTURBANCE (AS SHOWN BY ri1 -DEFINED. BY THE ESC LIMITS OF DISTURBANCE (AS SHOWN BY + o THE LINE) +THE PORTION OF SfEl1A LANE DRAINING TO FHE iw or owmnx J f THE LINE) +THE PORTION OF STELLA LANE DRAINING TO THE PROPOSED POND (AS SHOWN BYTHE DOT HATCHEDPORTION /+ -, row ./ e Osv.-s ..,. PROPOSED POND (AS SHOWN BY THE DOT HATCHED PORTION !3. OF STELLA LANE). THIS ENSURES WATER QUALITY I5 OF STELIA LANE). THIS ENSURES WATER QUALITY IS . s �• tf°Q fie' w PROVIDED FOR THE DISTURBED LAND, AS WELL AS THE % I, j..,; / esa ar anxxrL aow PROVIDED FOR THE DISTURBED LAND, AS WELL AS THE PORTION OF STELLA LANE DRAINING TO THE WET POND + ,' PORTION OF STELLA LANE DRAINING TO THE WET POND. (PLEASE NOTE, STUD, LANE s IMPERVIOUS AREAS ARE �, '` t. ' • 411 _..INCLUDED IN THE POST DEVELOPMENT STATE BUT ARE ASSUMED TO BE ZERO IN THE PRE -DEVELOPMENT STATE) # .. " #THE.OFFSITE AREAS NOT BEING DEVELOPED ARE NOT PAR ' T �• E OFFSITE AREAS NOTBFING DEVELOPED ARE NOT PA0. E OF THE VRRM 'SITE' AREAS. THIS IS A STATE-WIDE ,f % . OF THE VRRM'SITE' AREA$. THIS IS A STATE-WIDE a INDUSTRY PRACTICE. ApOIfIONALLY, TO ENSURE A ` _ a..7 / INDUSTRY PRACTICE. ADDITIONALLY; TO ENSURE A ` CONSERVATIVE / COMPLIANT PUN, THE OFFStTE AREAS ' l �'' ] . _ CONSERVATIVE / COMPLIANT PLAN; THE OFFSITE AREAS ♦ NOT BEING DEVELOPED ARE OMITTED FROM THE''DA A NOT BEING DEVELOPED ARE OMITTED FROM THE'DA A' a • ■ WATER QUALITY CALCULATIONS. THUS IS A CONSERVATI ,w , � "; � SUBAREA A Ir ,.WATER QUALITY CALCULATIONS. THIS IS A CONSERVATIVE CA T� r '•% DESIGN BECAUSE EVEN THOUGWTHE WET POND TREATS 6.97 THEUPtAND OFFSITE AREAS 1N REALITY, IT WOULD �. +■ ■ ! A +; ac' DESIGN BECAUSE EVEN THOUGH•rTHE WET POND TREATS / THE UPLAND OFFSTTE AREAS IN REALITY, IT WOULD CN-J6.4 +■ ,,■ FALSELY GENERATE A HIGHER. PHOSPHOROUS REMOVAL -, "- Tc 0 10 hrs i CREDIT IN THE CALCULATIONS SINCE IT WOULD TAKE r ' ■ FALSELY GENERATE A HIGHER PHOSPHOROUS REMOVAL Cl)h ._ ■ ' CREDIT IN THE CALCULATIONS SINCE IT WOULD MAKE C6 *.; CREDIT FOR AREAS NOT ASSOCIATED WITH THIS PROJECT. `- CREDIT FOR AREAS NOT ASSOCIATED WITH THIS: PROJECT. i i,,, ■ PLEASE NOTE, THESE OFFSITE AREAS WERE ACCOUNTED PLEASE NOTE, THESE OFFSITE AREAS WERE ACCOUNTED v 'T FOR IN THE WATER QUANTITY ANALYSIS. : �r 9'.-.. l i • N '. � � �.._ y t � .. .. FOR IN THE WATER QUANTITY ANALYSIS.. � z a Itr //1•1 SUBAREAS ♦ s : ,�. CV ,1•, ✓ ,, r., a r.3z ac.m of ow«u nn. CV SUBAREAD.... ,. CN=]J.3 SUBAREA C / I.. . /f EDIRECTEO AREA): I..,. /J'� •� Tc 0.16 hrs. . ■■ Q Z u. I SUBAREA C REPRESENTS . PROPER PLiMITS, CN4 81�7 r h` • P, W U) Q f PROPERTY LIMITS, THE REDIRECTED AREA. TO • / Tc 0.10 hrs. \' - J c APPRQVED WP0 201800051 • ..: I .::: k\ \ • L `J SUBAREA A . \\ yl �. J QUTFALL POI 11 SEE 6 13 ac., �� TABLE ON 11THUS ANALYSIS FOR.I / CN 58.6 '-....� I \ `.` POI-ilANALYSIS I-Tc018Frs. ov[ux A /. -," rl ' Z ` o /� . I ♦� M W - Ill W 1 PROPOSED I .APPROVED STORM PROPOSED /�/'� W c __ w < 1 SEWER UNDER SUB SUBAREA.B + GREENWAY,TYR. / ...... S; �,',. f .. Q a i GREEN WAY, TYP / 201J0NFIGUR D. '. ♦ - / O / I RECONFIGURED. * 2 16 ac. ♦ C$ i \ W / J LET 0.15 hrs.UNDSUBERTc APROVEDUIROIIN � c 201700117 TO REMAIN. • ■ /� / ,, ,., .I j / U c I u1 P ° ° APPROVED WET POND + • / a. I. ` f r I ` / s ° (POND 1U)UNDER WPO � E r 201700037 PLANS TO BE 1 ' / ♦ /! a ;� 1 </: %! /� f- F,� L�� c REMOVED ,. . ° I +. "� / / /: Uj f J'l' ! PROPOSED UNDERGROUND Lr) z DETENTION SYSTEM TO PROVIDE STORMWATERQUAN-TREATMENT ` Iy +�- . /� ° 'y C3' - / 1 FOR DA B: THE BEST MANAGEMENT s" _ b ✓� $ % ' i^ PRACTICE OF PURCHASING NUTRIENT 2 v ' ! CREDITS WILL BE USED F00. DA B's � /. WATERQUAL[TYTREATMENT. O - Proposed Impervious Area Summary (DA A) � .� 5 j� j WATER QUANTITY Proposed Roadway 42,750 sf "^ ~..� .. _ '.� J rLU IceProposed Sidewalk d e e ° a ° e e o o / e \ Proposed Buildings 54 725 Sf " .� ' / R r/ \ PROPOSED LEVEL [3 WET POND TO LOCATION OF + l Proposed Driveways 14,500 s£ ,f . / l PROVIDE STORM WATER QUALITY r ° PROPOSED LEVEL II "t I Existing H'stonc Bu Id ng 1,300 sf a I :■ / / / •� TREATMENT FOR DA A & O ° ° T ■ PROPOSED - STORMWATER QUANTITY y Stella Road Pavement & Sidewalk 11,,100 Sf .•� �E/! TREATMENT FOR SUBAREAS A & B. C)134650 sf CV _- O c ._ °a° ��•` .� +% Proposed Impervious Area Summary (DA B) e •n. .. '�!'a WATER QUANTITY ° ° • o e _. -. „/ f ��a ■ �� ( _Proposed Roadway 11.750 sf ` ° • e e , o _ r �.; P opased Sidewalk 350 st • ° ° ° ° ° e e e - � o E Lo p 0 po s e d B u I d ngs 12, 200 s£ ee °° Proposed Dnveways 2,925 sf ° ° JOB No. _LL r °° 27,225 sf °,�v;' o°°°e.. 182150 SCALE EXISTING, RECEIVING ° ° ° ° •.° Proposed Impervious Area Summary (DA C( ° ° • e ° °..' o ° J S a° APPROVED LEVEL SPREADER 15-E, UNDER CHANNEL (PROTECTED) BELOW °.e ° - \ WATER QUANTITY APPROVED LEVEL SPREADER NECESSARY UNDER ° ° • ..: "'^+.�1 1 rr-GOT [ WIS PLAN's RO IS NO LONGER NECESSARY WITH FACILITY OUTFACE IS USED FOR ° WPO201800013, IS NO LONGER NKESSARY WITH THIS PUN's PROPOSED IMPROVEMENTS. THIS PLAN QUANTITY POINT OF ANALYSIS ' e ° e Stella Road Pavement 2,125 sf THIS PLAN', PROPOSED IMPROVEMENTS. THISPLAN �° ° SHEET NO. < PROPOSESTOREMOVETHEREQUIREMENTFOR °. 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'Ea f m \ 'E' i E 3 d E; 3 o c c o n c c n c c 12 c c c i� 2 3 3 a c 3 3 o 0" -- F '� E E c E E F c c E E F 'L c E E I E E E r E E n E E m m E E m m 3 3 3 m m` 3 3 '^ i '^ '^ i____ _ _ __ -' .. ___` E _= E F c o m - E c m m E Z c m E r Z c m m o a ¢aaaaaam 3m __ `° _ E c E c m o E E o c E v E u o - - E E E E E~ E E u �' E c u E~ 'L u u, o '^ A 3it 0 0 3 o 3 Q o o 0 3 e 3o 0 Q - c_; i a - e 3 V m - o - V .2 f F f F Section 6 - Pollution Prevention Plan A. Plan showing pollution activities and prevention practices SEE SWPPP EXHIBIT. B. Sources of Pollutants, locations, and prevention practices Pollutant, or Pollutant Generating Activity Location on site Prevention Practices, Control Measures SEE BELOW. C. Sources of Pollutants, continued. Common activities and minimum control and prevention practices Pollutant, or Pollutant Generating Activity Location on site Prevention Practices, Control Measures Follow Erosion and Sediment Control Plan. ✓ Clearing, grading, excavating, Land disturbance area Dispose of clearing debris at acceptable disposal and un-stabilized areas sites. Seed and mulch, or sod within 7 days of land clearing Cover storm drain inlets and use drip pans and ✓ Paving operations Roads and driveways absorbent/oil dry for all paving machines to limit leaks and spills ✓ Concrete washout and Current location and detail Direct concrete wash water into a leak -proof cement waste shown on PPP container or leak -proof sediment basin that is designed so that no overflows can occur Enclose or cover material storage areas. Mix paint Structure construction, stucco, indoors in a containment area or in a flat unpaved ✓ painting, and cleaning Structures area. Prevent the discharge of soaps, solvents, detergents and wash water, paint, form release oils and curing compounds. ✓ Dewatering operations Dewatering of sediment Water shall be filtered, settled or similarly treated basins prior to discharge as shown on plan. ✓ Material delivery Designated area shown on Designated areas for material delivery and storage. and storage plan Placed near construction entrances, away from waterways and drainage paths ✓ Material use during building Building areas Follow manufacturer's instructions. MSDS's process attached. Waste collection area will not receive a substantial amount of runoff from upland areas and does not ✓ Solid waste disposal Current designated drain directly to a waterway. Containers have lids container areas on plan covered before periods of rain, or are in a covered area. Scheduled collection to prevent overfilling. MATERIALS NOT TO BE BURIED ON -SITE Convenient and well -maintained portable sanitary ✓ Sanitary waste Current locations shown on facilities will be provided, and located away from plan waterways or inlets. Such facilities shall be regularly maintained. ✓ Landscaping operations Landscape areas shown on Apply fertilizers in accordance with manufacturer's plan recommendations and not during rainfall events Pollutant, or Pollutant Generating Activity Location on site Prevention Practices, Control Measures To be treated in a sediment basin or better control as specified on plan. Minimize the discharge of � Wash Waters Wash areas shown on plan pollutants from equipment and vehicle washing Vehicle and equipment washing Designated areas and details Provide containment and filtering for all wash shown on plan waters per the plan Minimize the exposure of building materials, building products, construction wastes, trash, landscape materials, fertilizers, pesticides, herbicides, detergents, sanitary waste, and other materials present on the site to precipitation and to stormwater. D. Non-stormwater discharges Discharge Pollutants or Pollutant Location on Site Constituents N/A E. Persons responsible for pollution prevention practices DFVFI nPFR: RIVERBEND DEVELOPMENT, INC 434.245.4970 alan@riverbenddev.com F. Response and reporting practices The first priority is to protect all people, secondly protect the equipment and property, and lastly protect the environment. The contractor shall regularly check the equipment on site and any pollutants shall be stored properly to prevent spills. Spills will be immediately and promptly cleaned up by the contractor. Most spills can be cleaned up following manufacturer specifications. Absorbent/oil dry, sealable containers, plastic bags, and shovels/brooms are suggested minimum spill response items that should be available at this location. The following steps shall be taken in the case of a spill: 1. Check for hazards (flammable material, noxious fumes, cause of spill) — if flammable liquid, turn off engines and nearby electrical equipment. If serious hazards are present leave the area and call 911. Large spills are likely to present a hazard. 2. Make sure the spill area is safe to enter and that it does not pose an immediate threat to health or safety of any person. 3. Stop the spill source (most spills can be cleaned up following manufacturer specifications — absorbent/oil dry, sealable containers, plastic bags, and shovels/brooms are suggested minimum spill response items) 4. Call co-workers and supervisor for assistance and to make them aware of the spill and potential dangers. 5. If possible, stop spill from entering drains (use absorbent or other material if necessary). 6. Stop spill from spreading (use absorbent or other material if necessary). 7. If spilled material has entered a storm sewer; contact locality's storm water department. 8. Clean up spilled material according to manufacturer specifications, for liquid spills use absorbent materials and do not flush area with water. 9. Properly dispose of cleaning materials and used absorbent material according to manufacturer specifications. The following agency should be considered for notification in the case of a spill: Charlottesville Fire Department: 434-973-1717 Albemarle County Police Department: 434-977-9041 Charlottesville Health Department: 434-972-6200 Virginia Department of Conservation & Recreation: 1-804-786-2094 Virginia Department of Environmental Quality: 1-540-574-7824 Virginia Department of Emergency Services: 1-800-468-8892 G. Pollution Prevention Awareness DEQ's Office of Pollution Prevention hosts a number of programs and initiatives that serve as a conduit for non - regulatory assistance to businesses and communities. The contractor will ensure that their team is trained and knowledgably aware of all measures in this document before construction begins and updated weekly of any changes during construction. N 1- Z� W _ N W w" LL w ° N O Z N N _ Z CY Z' W J WJ U) W ul 0 J Z� Q U `1 F U O ~ W W UU) H FN F W K Q 0 O O 04 Section 7 - Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters oc t 4° o O ^" rq CIA o > � 'n O N ° N Cl � N �o N y O � o E2 N W 5 a� U U Ldw U m U N d) E E V1 V] U CI] UJ cr CI. C3 Cl m O O O W W W Ln Go� rA U N U 0.0 U U •� � O Uj ^" M 7C O LH O 45 `a Cd �a N Q bA � 'C3 Qj N •Q"'O aQ�z a 0 0 N U U a od 0 Q 0 U) x Of Section 8 - Qualified Personnel The following personnel are responsible for inspections: PROJECT MANAGER Collings Engineering - SCOTT COLLINS, PE 434.293.3719 scott@collins-engineering.com DEVELOPER RIVERBEND DEVELOPMENT—ALAN TAYLOR 434.245.4970 alan@riverbenddev.com Section 9 - Signed Certification 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: ALAN TAYLOR Company: RIVERBEND DEVELOPMENT Title: Signature: Date: Section 10 - Delegation of Authority Delegation of Authority 1, (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: Title: Signature: Date: Section 11- General Permit copy 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 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, 1 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. 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 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 tc 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 III 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. 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 3 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. 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; 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. 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 1 2. 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 III 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 II I 1 1 or 2 in writing as part of the SWPPP. The reports shall contain the information listed in Part III 1 2. NOTE: The reports required in Part III 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. "1 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 0 0 r a�i �rnrn VI N o � 0 c p) O � L a U O N \J O O G (D p a C E O O i= N � p N C O O > p` C O C Q a) L N 0) _ U-) C O O = Z p El-c ,~ W ^` C3 O ON _ -C uj a) � El N °o N L U p O - U C.. 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