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WPO202200027 VSMP - SWPPP 2022-12-20
of A COUNTY OF ALBEMARLE 2 Department of Community Development 401 McIntire Road, North Wing Charlottesville, Virginia 22902-4596 Tel. (434) 296-5832 • Fax (434) 972-4126 `IRGIN�P Stormwater Pollution Prevention Plan (SWPPP) REF: WPO2022-00027 For Construction Activities At: Project Name: Towneplace Inn & Suites Prepared by: Timmons Group 608 Preston Avenue, Suite 200 Charlottesville, VA 22903 Prepared for: Pantops Hotel, LLC PO Box 3535 Williamsburg VA 23185 Contact: Hitesh Patel hmp@hmphotels.com SWPPP Preparation Date: June 21, 2022 (This document is to be made publicly available according to 9VAC25-880-70, Part II, section D) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County CONTENTS: (from Albemarle County Code Sec. 17-405) 1. Registration statement 2. Notice of general permit coverage 3. Nature of activity 4. Erosion and Sediment Control Plan. 5. Stormwater Management Plan 6. Pollution Prevention Plan. 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. 8. Qualified personnel 9. Signed Certification 10. Delegation of authority. 11. General permit copy 12. Inspection logs Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 1. Registration statement (Provide a signed completed copy of the DEQ registration statement) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM CONSTRUCTION ACTIVITIES (VAR10) REGISTRATION STATEMENT 2019 Application type. M NEW PERMIT ISSUANCE (CHOOSE ONE) ❑ MODIFICATION WITH ACREAGE INCREASE ❑ MODIFICATION WITHOUT ACREAGE INCREASE ❑ EXISTING PERMIT RE -ISSUANCE Section I. Operator/Permittee Informarinn PERMIT #: PLAN/ID #: TECHNICAL CRITERIA: 118 ❑ IIC ❑ A. Construction Activity Operator (Permittee). The person or entity that is applying for permit coverage and will have operational control over construction activities to ensure compliance with the general permit. A person with signatory authority for this operator must sign the certification in Section V. (per Part III. K. of the VAR10 Permit). Operator Name: TBD Contact person: Address: City, State and Zip Code: Phone Number: Primary and CC Email: B. Electronic correspondence. To receive an emailed coverage letter or to pay by credit card, you must choose YES and include a valid email. May we transmit correspondence electronically? YES ® NO ❑ vnv u:ronnaoon 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 waterbodies receiving stormwater discharges from the site. B. Project site location information. Construction Activity Name: Towne lace Inn & Sites Address: NA City and/or County and Zip Code: Albemarle Count Construction Activity Entrance Location Jalisco Wy (description, street address and/or Albemarle County, Va latitude/longitude in decimal degrees): Latitude and Longitude (6-digit, decimal degrees format): 38.034466,-78.448751 C. 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 (include entire area to be 2.40 ac disturbed as approved in the Stormwater Management Plan): Primary estimated area to be disturbed (include portions with 2.3 ae Erosion and Sediment Control Plan approval only): Off -site estimated area to be disturbed (if applicable): D. Property Owner Status: FEDERAL ❑ STATE ❑ PUBLIC Cl PRIVATE E. Nature of the Construction Activity Description (i.e. commercial, industrial, residential, agricultural, environmental, utility): Commercial F. Municipal Separate Storm Sewer System (MS4) name(s) (if the site is discharging to a MS4): Albemarle County G. Estimated Project Dates (MM/DD/YYYY). Start Date: 06/01 /2023 Completion Date: 12/01/2023 H. Is this construction activity part of a larger common plan of YES ❑ NO development or sale? Rev 11/2020 PAGE 1 16 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 1. 60° Order Hydrologic Unit Code (HUC) and Receiving Water Name(s). Include additional areas on a separate page. 02080204 HUC NAME(S) OF RECEIVING WATERBODY Rivanna +��....�. u,. vn-a�aa �uvw�a ru:uvnv a.ocanon mrormanon_ List all off -site support activities and excavated material disposal areas being utilized for this project. Include additional areas on a separate page. Off -site Activity Name: n/a Address: City or County: Off -site Activity Entrance Location (description, street address and/or latitude/longitude in decimal degrees): Latitude and Longitude (6-digit, decimal degrees format): Is this off -site activity an excavated material disposal area? YES ❑ NO ❑ If this off -site activity is an excavated material disposal area, list the contents of the excavated fill material: Will a separate VPDES permit cover this off -site activity? I YES ❑ NO ❑ Season W. utner mtormation. 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 SW PPP has been prepared. B. Has an Erosion and Sediment Control Plan been submitted to the VESC Authority for review? YES W NO ❑ Erosion and Sediment Control Plan Approval Date (for the estimated area to be disturbed MM/DD/YYYY): C. Has land -disturbance commenced? YES ❑ NO lxI D. Annual Standards and Specifications. If this project is utilizing approved Annual Standards and Specifications (AS&S), attached the completed AS&S Entity Form. AS&S Entity Name (if different from the Operator identified in Section I): E. Billing information (leave blank if same as the Operator identified in Section I. above). This entity will receive Annual Permit Maintenance and Permit Modification Fee invoices (if applicable). Billing Name: TBD Contact Name: Address. City, State and Zip Code: Phone Number: Primary and CC Email: Rev 11/2020 PAGE 2 1 6 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 Section V. Certification. A person representing the operator as identified in Section I. A. and meeting the requirements of 9VAC25-880-70. Part III. K must physically sign this certification. A typed signature is not acceptable. Please note that operator is defined in 9VAC25-870-10 as follows: "Operator" means the owner or operator of any facility or activity subject to the Act and this chapter. In the context of stormwater associated with a large or small construction activity, operator means any person associated with a construction project that meets either of the following two criteria: (i) the person has direct operational control over construction plans and specifications, including the ability to make modifications to those plans and specifications or (ii) the person has day-to-day operational control of those activities at a project that are necessary to ensure compliance with a stormwater pollution prevention plan for the site or other state permit or VSMP authority permit conditions (i.e., they are authorized to direct workers at a site to carry out activities required by the 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 MS4 system. 9VAC25-880-70. Part III. K. Signatory Requirements. Registration Statement. All Registration Statements shall be signed as follows: a. For a corporation: by a responsible corporate officer. For the purpose of this chapter, a responsible corporate officer means: (I) a president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy -making or decision -making functions for the corporation, or (d) 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 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 responsibilityfor 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 orthose persons directly responsible for gathering the information, the information submitted is to the best of my knowledge and belief true, accurate, and complete. I am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment for knowing violations." Printed Name: Hitesh Patel Signature (signed in ink): Date Signed: Section VI. Submittal Instructions. Submit this form to the 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 DEG. A list of local VSMP Authorities is available here: VSMP Authorities. If DEQ is the VSMP Authority, please send to: If the locality is the VSMP Authority. please send to: Department of Environmental Quality Office of Stormwater Management Suite 1400 PO Box 1105 Richmond VA 23218 constructioni?D@dea.virginia.gov Rev 11/2020 PAGE 3 16 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. This form covers the following permit actions: new permit issuance, existing permit modification with an increase in acreage, existing permit modifications that result in a plan modification but do not result in an increase in disturbed acreage, and reissuance of an active permit coverage. Application type. Select NEW PERMIT ISSUANCE to obtain a new permit coverage. Modifications are for modifying an existing, active permit coverage. Select MODIFICATION WITH ACREAGE INCREASE when the previously approved acreage(s) increases (permit modifications are not performed for decreases in acreage unless they result in plan changes — see Modification WITHOUT Acreage Increase). Select MODIFICATION WITHOUT ACREAGE INCREASE when there is a change to the site design resulting in a change to the approved plans with no increase in acreage(s) Select EXISTING PERMIT REISSUANCE to extend an expiring permit coverage for the next permit cycle and include the existing permit number. Section I. Operator/Permittee Information. A. Construction Activity Operator (Permittee). The person or entity that is applying for permit coverage and will have operational control over construction activities to ensure compliance with the general permit. For companies, use the complete, active, legal entity name as registered with a state corporation commission. Entities that are considered operators commonly consist of the property owner, developer of a project (the party with control of project plans and specifications), or general contractor (the party with day-to-day operational control of the activities at the project site that are necessary to ensure compliance with the general permit). If an individual person is listed as the operator, that person (or a legal representative of) must sign the certification in Section V. An operator may be one of the following: 9VAC25-870-10. Definitions "Operator" means the owner or operator of any facility or activity subject to the Act and this chapter. In the context of stormwater associated with a large or small construction activity, operator means any person associated with a construction project that meets either of the following two criteria: (i) the person has direct operational control over construction plans and specifications, including the ability to make modifications to those plans and specifications or (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 (M54s), 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 far any actual or potential discharge of sewage, industrial wastes, or other wastes or pollutants to state waters, or any facility or operation that has the capability to alter the physical, chemical, or biological properties of state waters in contravention of § 62.1-44.5 of the Code of Virginia, the Act and this chapter. "Person" means any individual, corporation, partnership, association, state, municipality, commission, or political subdivision of a state, governmental body, including a federal, state, or local entity as applicable, any interstate body or any other legal entity. B. 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 give the operator the ability to pay by credit card and to receive Dermit coverage aooroval letters immediately uoon Dermit aooroval. Section II. Construction Activity Information. 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 VSMP authority if you have additional questions regarding site map requirements. B. Construction Activity Name and location. Provide a descriptive project name (it is helpful to use the same naming convention as listed on the Stormwater Management plans), 911 street address (if available), city/county of the construction activity, and the 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. 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). D. 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. Rev 11/2020 PAGE 4 16 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 INSTRUCTIONS PLEASE DO NOT PRINT OR SUBMIT E. 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 post -construction use of the project (i.e. Commercial — one new office building and associated parking and utilities; Transportation — Linear roads, sidewalks and utilities; Agricultural-3 Poultry Houses, etc.). F. 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. G. 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). H. Is this construction activity is part of a larger 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 9VAC25-870-50. Definitions. Le. a subdivision, commercial development, business park, etc. I. 6th Order Hydrologic Unit Code (HUC) and associated Receiving Water Name(s). Provide all 6th order HUCs and receiving waterbody names, for the primary site and any Off -site areas included under this permit coverage, 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 DEQL s web -based GIS application, VEGIS, to obtain this information. • VEGIS application link: DEQ's VEGIS Mapping Application • Instructions for utilizing DEQ's VEGIS application link: CGP-GIS HUC Instructions Section III. Off -site Support Activity Location Information. This general permit also authorizes stormwater discharges from support activities (e.g., concrete or asphalt batch plants, equipment staging yards, material storage areas, excavated material disposal areas, borrow areas) located on -site or off -site provided that (i) the support activity is directly related to a construction activity that is required to have general permit coverage; (ii) the support activity is not a commercial operation, nor does it serve multiple unrelated construction activities by different operators; (iii) the support activity does not operate beyond the completion of the construction activity it supports; (iv) the support activity is identified in the Registration Statement at the time of general permit coverage; (v) appropriate control measures are identified in a SWPPP and implemented to address the discharges from the support activity areas; and (vi) all applicable state, federal, and local approvals are obtained for the support activity. Off -site activity name and location information. Provide a descriptive off -site project name, 911 street address (if available), construction entrance location (address or decimal degrees coordinates and description), city/county and the 6-digit latitude and longitude in decimal degrees (i.e. 37.1234N, 77.1234W) of all off -site support activities. Indicate whether the off -site support activity will be covered under this general permit or a separate VPDES permit. If excavated material (i.e., fill) will be transported off -site for disposal, the name and physical location address, when available, of all off -site excavated material disposal areas including city or county; 6-digit latitude and longitude in decimal degrees (i.e. 37.1234N,-77.1234W) and the contents of the excavated material. List additional off -site areas to be included under this permit coverage on a separate page. Off -site areas not included on this registration will need to obtain coverage under a separate VPDES permit. Section IV. 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 II. C. has been submitted to the VESC 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. Please indicate if this project is also requesting a plan waiver. • AS&S Entity Form link: Annual Standards and Specifications Entity Information Form Rev 11/2020 PAGE 5 16 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 INSTRUCTIONS PLEASE DO NOT PRINT OR SUBMIT E. 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. Section V. Certification. A properly authorized individual associated with the operator identified in Section I. A. of the Registration Statement is responsible for certifying and signing the Registration Statement. A person must physically sign the certification, a typed signature is unacceptable. State statutes provide for severe penalties for submitting false information on the Registration Statement. State regulations require that the Registration Statement be signed as follows per 9VAC25-880-70 Part III. K. 1.: a. For a corporation: by a responsible corporate officer. For the purpose of this part a responsible corporate officer means: (i) A president secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy -making or decision -making functions for the corporation, or (ii) the manager of one or more manufacturing, production, or operating facilities, provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures. b. For a partnership or sole proprietorship: by a general partner or the proprietor, respectively. c. For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official. For purposes of this part a principal executive officer of a public agency includes: (i) The chief executive officer of the agency, or (ii) A senior executive officer having responsibility far the overall operations of a principal geographic unit of the agency. Section VI. Submittal Instructions. Submit this form to the VSMP Authority that has jurisdiction for your construction activity. The VSMP Authority maybe 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's mailing address. Who is the VSMP Authority for my oroiect? DEQ or the locality? • DEQ: DEQ is the VSMP Authority and administers permit coverage for land -disturbing activities that are: ➢ within a locality that is not a VSMP Authority; ➢ owned by the State or Federal government; or ➢ utilizing approved Annual Standards and Specifications. • The Locality: The local government (locality) is the VSMP Authority and administers permit coverage for all other projects not covered by DEQ as listed above. For these projects, please submit permit forms directly to the Local VSMP Authority. A list of Local VSMP Authorities is available on DEQ's website here: Local VSMP Authority List. www.deg.virginia.gov/Progra mslwate r/StormwaterM a nageme nt/VSM PPerm its/Constructio nGenera I Perm it. aspx Email the completed and signed form to: constructiongp@deg.virginia.gov Rev 11/2020 PAGE 6 16 Section 2. Notice of general permit coverage (This notice is to be posted near the main entrance according to 9VAC25-880-70, Part II, section C.) (Provide a copy of the DEQ coverage letter when obtained) Issued — 10/2014 Stonnwater Pollution Prevention Plan (SWPPP) Albemarle County Section 3. Nature of activity (Provide a detailed narrative of the construction activities. Include or reference a construction schedule and sequence. Include any phasing.) This project includes the construction of a hotel, associated parking, landscape, and utilities. The total limits of clearing and grading for the project is 2.30 acres. The project site is bound by vacant commercial land to the north, and auto dealership to the west, a commercial car sales parking lot to the east, and both a restaurant and neighborhood shopping center to the south. All construction shall take place in accordance with the Erosion and Sediment Control Sequence of Installation on plan sheets C3.0 — C3.4. Estimated construction dates are as indicated on the Registration Statement. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 4. Erosion and Sediment Control Plan. (Provide a reduced, 11xl7 copy of the latest Erosion and Sediment Control Plan. Do not reference only.) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County PROTECT DESCRIPTION THIS PROJECT INCLUDES THE CONSTRUCTION OF A HOTEL, AND ASSOCIATED PARKING, LANDSCAPING, AND UTILITIES. THE TOTAL LIMITS OF CLEARING AND GRADING MR THE PROJECT IS 2.30 ACRES. ADJACENT PROPERTY THE PROJECT SITE IS BOUND BY VAGW COMMERCIAL HAND TO THE NORTH, AN AUTO DEALERSHIP TO THE WEST, A COMMERCIAL CAR SALES PARKING LOT TO THE EAST, AND BOTH A RESTAURANT AND NEIGHBORHOOD SHOPPING CENTER TO WE SPIDER. EXImNG SUE CONDITIONS THE SUE CURRENTLY CONTAINS VACANT HAND THAT CONTAINS LIGHT VEGETATION. BRUSH. AND SPARSE TREES. OFF -SITE ARM THIS PROTECT INCLUDES WORK WITHIN THE ADJACENT ROW TO RELOCATE CODING STORM PIPE. CRITICAL EROSION AREAS THE SITE CONTAINS MANAGED ELSE? SLOPES. ALL SLOPES STEEPER THAN 3:1 WILL BE STABILIZED WITH BLANKET MATING STORMWATER RUNOFF CONSIDERATIONS UNDERGROUND PIPES WILL BE USED TO CONVEY SFMRMWATM ONSETS. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED IN ACCORDANCE WITH VESCH AND THE CONSTRUCTION SEQUENCE, INCLUDING THE INSPECTION OF ALL MEASURES AFTER ALL RAIN EVENTS. EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING M MINIMUM STANDARDS AND SPECIFICATIONS OF THE CURRENT ADDITION Of THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDE)SK. THE MINIMUM STANDARDS OF THE VESCH SHALL BE ADHERED TO UNLESS OTHERWISE WANED OR APPROVED BY A VARIANCE BY LOCAL AUTHORITIES HAVING JURISDICTION. STRUCTURAL PRACTICES: L TEMPORARY CONSTRUCTION ENTRANCE - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE PROVIDED AT THE LOCATION INDICATED ON THE PLANS. I IS IMPERATIVE THATTHIS MEAWRE BE MAINTAINED THROUGHOUT CONSTRUCTION. IS NRNSE IS TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. 2. STORM DRAIN INLET PROTECTION -3.07 STONE NITERS SHALL BE PLACED AT THE INME OF ALL DRAINAGE STRUCTURES AS INDICATED ON PUNS. ITS PURPOSE IS TO PREVENT SEDIMENT FROM ENTERING THE STORM DRAINAGE SYSTEM PRIOR PERMANENT STABILIZATION. 3. DUST CONTROL -3.39 DUST CONTROL IS TO BE USED THROUGH THE SIZE IN AREAS SUBJECT TO SURFACE AND AIR M OVEMEW. 4. DIVERSION DIKE, -3.09 A TEMPORARY RIDGE OF COMPACTED SOIL TO DIVERT WATER AWAY FROM A DISTURBED AREA. S. CULVERT INLETPROTECTION- A SEDIMEW FILTER PLACED AT WE INLET OF A CULVERT BEEN SILT FENCE AROUND IT TO PREVENT SEDIMENT FROM ENTERING INTO THE STORM SYSTEM. 6. SEDIMEW TRAP -3.13 A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE M OBTAIN SEOIMENTELMEN RUNOFF FROM DISTURBED ARM IN VEFI AN09Rr STORAGE LONG ENOUGH FOR THE MUORNEY OF SEDIMENT TO SURE WT. 6.1 AMVWENANCE OF SEDIMEW TRAP- INSPECT TRAP EMBANKMENT WEEKLY TO ENSURE IT IS STRUCTURALLY SOU NO AND HAS NOT BEEN DAMAGED BURNS CCNSTAUCTONACTWTES. THETRAPSHALLBE CHECKEDATTEREVERY RAINFALL EVENT. ONCE IWESEDIMENTHAS REACHED THE DESIGNATED CLEAN W T LEVEL IT SHALL BE REMOVED AND PROPERLY DISPOSED OF. 7. SILT FENCE-3. 05 SILT FENCE SEEM ENT MRRIE RS SHALL BE I NSTAIMD WWNSLOPE OF ARM WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET ROW AS INDICATED. ITS PURPOSE IS TO INTERCEPT SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS AND PREVENT SEDIMEW FROM LEAVING THE SUE. 2. 3. 4. 3.30 TOPSOIL SHALL BE STRIPPED MOM AREAS TO BE GRADED AND STOCKPILED FOR LATER BERNADINE. AMD ONSM AND SHALL BE STABILIZED WITH TEMPORARY SILT FENCE AND VEGETATION. ESTABLISH PUNTING SEED M REDUCE ENHANCE NATURAL BEAUTY. 3.36 A PROTECTIVE COVERING BLANKET OR SOIL STABILIZATION MAT SHALL BE INSTALLED ON PROTECT AND PROMOTE VEGETATION ESTABLISHMENT AND REINFORCE ESTABLISHED TURF. MANAGEMENT STRATEGIES 1. PROVIDE SEDIMENT TRAPPING MEASURES AS A FIRST STEP IN GRADING, SEED AND MULCH IMMEDIATELY FOLLOWING INSTALLATION. 2. PROVIDE TEMPORARY SEEDING OR OTHER STABILIZATION IMMEDIATELY AMR GRADING. 3. ISOLATE TRENCHING FOR UTILITIES AND DRAINAGE FROM DOWNSTREAM CONVEYANCES IN ORDER M MINIMIZE PERIMETER CONTROHI. 4. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED UNTIL THEY ARE NO LONGER REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS OR STATE LAW. PERMANENT STABILIZATION ALL NON -PAVED AREAS DISTURBED BY CONSTRUCTION SMALL BE STABILIZED WITH PERMANENT SEEDING IMMEDIATELY FOLLOWING FINISHED GRADING. SEEDING SHALL BE IN ACCORDANCE WITH SM. B SPEC 3.32, PERMANENT SEEDING. SEED TYPE SHALL BE AS SPECIFIED MR 'MINIMUM CARE UWNS'AND'GENERAL SLOPES' IN THE HANDBOOK FOR SLOPES LESS THAN 3:1. FOR SLOPES GREATERWAN 3:I, SEED TYPE SHALL BE AS SPECIFIED MR 'LOW MAINTENANCE SLOPES' IN TABLE 3.32-D OF THE HANDBOOK. FOR MULCH (SHUNT OR FIBER) SHALL SE USED ON ALL SEEDED SURFACES. IN ALL SEEDING OPERATIONS SEED, FERTILIZER AND LIME SHALL BE APPLIED PRIOR TO MULCHING. SEQUENCE OF INSTALLATION MUSE I L APRE-CONSTRUCTION MEETING IS REQUIRED WITH ALBEMARLE COUNTY GAS INSPECTOR, CONTRACTOR, OWNER, AND ENGINEER. THIS MEETING SHALL TAKE RACE AT AMENABLE COUNTY COMMUNITY DEVELOPMENT BUILDING. CLEARING LIMITS MUST BE FLAGGED PRIOR TO THE MEETING WITH ONE (1) WEEK OF NOTICE. 2. INSTALL SAFETY FENCE, CONSTRUCTION ENTRANCE, SILT FENCE, AND INLET PROTECTION. 3. REMOVE EXISTING STORM INLET STRUCTURE -STR-2 SD', RIPRAP, AND SIDEWALK AS NEEDED. BADGERS STORM PIPE'RCP-1" TO REMAIN DURING PHASE 1 AND UTILIZED AS CONTROL COMPONENT FOR PIPE OUTLET SEDIMENT TRAP, AS SHOWN ON SHEET 0.2. SEE SHEET 0.0 FOR EXISTING INFRASTRUCTURE REFERENCES. 4. INSTALL DIVERSION DIKES, CLEAR AND GRADE PIPE OUTLET SEDIMENT TRAP AS SHOWN ON SHEET C3.2. SEE THIS SHEET FORT AP INSTANCE. 5. INSTALL PROPOSED STORM STRUCTURES AND STORM PIPES AS SHOWN ON SHEET C3.2. 5. AFTER ALL EROSION AND SEDIMENT CONTROL MEASURES ARE IN PUCE PER CE0, BEGIN ROUGH GRADING PROJECT AREA AND RULING LOWER LEVEL BUILDING FOOTPRINT AS SHOWN ON SHEET 0.2. APPLY SOIL STABILIZATION BLANKETS FOR ALL SLOPES THAT EXCEED 3:1. 7. SEED ALL DENUDED ARM PER VESCH STANDARDS. PHASE II 1. INSTALL THE REMAINING PROPOSED STORM SEWER PIPES, STORM SEWER STRUCTURES, AND INLET PROTECTION AS SHOWN ON SHEET 0.3. WE STORM MANHOLE (STRUCTURE 104) ID TO BE USED AS ATEMPORARY INLET FOR THE EXCAVATED DROP INLET SEDIMEW TRAP IN PHASE II, UTILIZING A 24- GRATE TOP IN PUCE OF THE MANHOLE COVER. I. ONCE WE PROPOSED STORM SEWER SYSTEM IS INSTALLED, EXISTING STORM PIPES UA' RCP-U IS" RCR2, IS' RCP-3, AND ISF RCP-4") AND EXISTING STORM STRUCTURE "STR-0 MHD' CAN BE REMOVED. 3. ALL STORM SEWER PIPING AND STRUCTURES SHALL BE INSPECTED FOR SILT/SEDIMENT. IF PRESENT, SILT/SEDIMENT SHALL BE CLEANED OUT FOR WE SYSTEM M THE SATISFACTION OF THE EAS INSPECTOR. 4. CONVERT THE PIPE OUTLET SEDIMENT MAP INTO AN EXCAVATED DROP INLET SEDIMENT MAP AS SHOWN ON SHEET C3.3. 5. SEED ALL DENUDED AREAS PER VESCH STANDARDS. PHASE III L INSTALL UTILITIES AS SHOWN ON SHEET C3A. 2. FINE GRADE PROJECT AREA, APPLY PERMANENT SEEDING TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS ACHIEVED. APPLY SOIL STABILIZATION SEED MIX MR ALL SLOPES THAT EXCEED 31. 3. ONCE THE CONTRIBUTING DRAINAGE AREA TO SEDIMENT TRAP HAS BEEN PERMANENTLY STABILIZED AND APPROVED BY THE ESE INSPECTOR, REMOVE SEDIMEW TRAP. APPLY PERMANENT SOIL STABILIZATION AND STABILIZATION BLANKETS AS REQUIRED. 4. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABLLRED, EROSION CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE EAN INSPECTOR. AN EROSION AND SEDIMENT CONTROL PROGRAM ADOPTED BY A DISTRICT OR LOCAU Y MUST BE CONSISTENT WITH THE FOLLOWING CRITERIA, TECHNIQUES AND METHODS: ME-1. PERMANENT OR TEMMRMY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SIZE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT MR MORE THAN ONE YEAR. MS-2 DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABRIZED OR PROTECTED WITH SEDIMENT MAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SUE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROVER SIZE. MS-3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. MS-4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED M TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. MS-5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS MS-6. SEDIMENTTRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BYTHE TRAP OR MIN. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE ARM LESS THAN THUS ACRES. N SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLAW FROM DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED BY A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DURING A 25-YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN RUNOFF CALQIUTIONS SHALL CORRESPOND M A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TO EXIST WHITE THE SEDIMENT MIN IS UTILIZED. 115-7. CUT AND FlLL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION. SLOPES THAT ARE POUND M BE ERODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STABILIZATION SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABRIZING MEASURES UNTIL THE PROBLEM IS CORRECTED. MS-8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNE4 FLUME OR SLOPE DRAIN STRUCTURE. MS9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. MS-10. ALL STORM SEWERINHETS THAT ME MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR MS-11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL. GENERAL EROSION AND SEDIMENT CONTROL NOTES: ES-1: UNLESS OTHERWISE INDICATED,CONSTRUCT AND MAINTAIN ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE LATEST EDITION OF WE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-024N0 EROSION AND SEDIMENT CONTROL REGULATIONS. ES-2: THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY WILL MAKE A CONTINUING REVIEW AND EVALUATION OF WE METHODS AND EFFECTIVENESS OF WE EROSION CONTROL PLAN. ES-3: PRICE ALL EROSION AND SEDIMENT CONTROL MEASURES PRIOR TO OR AS THE FIRST STEP IN CLEARING, GRADING, OR HAND DISTURBANCE. ES-4: MAINTAIN ACON OF WE APPROVED EROSION AND SEDIMENT CONTROL PUN ON THE SITE AT ALL TIMES. ES-5: PRIOR TO COMMENCING LAND -DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PUNS (INCLUDING, NOT NOT LIMITED TO, OFFICES BORROW OR WASTE AREA), SUBMIT A SUPPLEMENTARY EROSION CONTROL MOM TO THE ARCHITECT/ENGINEER AND THE CONTROLLING EROSION AND SEDIMENT CONTROL AUTHORITY TOR REVIEW AND ACCEPTANCE. EERIE PROVIDE ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE RESPONSIBLE LAND DISTURBER. (MODIFIED NOTE) ES-7 ALL DISTURBED ARM SHALL DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND -DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT. ES-8 : DURING OEWATERING OPERATIONS, PUMP WATER INTO AN APPROVED REFINING DEVICE, ENSURE THAT PUMP INLET IS KEPT ABOVE SETTLED SEDIMENT. ES-9: INSPECT ALL EROSION CONTROL MEASURES DAILY AND AFTER EACH RUNOFF- PRODUCING RAINFALL EVENT. MAKE ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES IMMEDIATELY. SOILS INFORMATION 71D: WON BUY LOAM, 15 M 25 PERCENT SLOPES 88: UDORTHENTS, LOAMY, 2 TO 25 PERCENT SLOPES SEE SHEET C12 FOR PLAN M5-12. WHEN WORK IN ALIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE NEW DETAIL. INSERT 18" ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT CMP INTO EXISTING 24" CROP. POSSIBLE DURING CONSTRUCTION. NONEROMBIE MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF GROUT FOR WATER SEAL. CAUSEWAYS AND COFFERDAMS EARTHEN ELL MAY BE USED MR THESE STRUCTURES IF ARMORED BY MS-13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERCIBIE MATERIAL SHALL BE PROVIDED. MS-14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING WE WATERCOURSES SHALL BE MET. MS-15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STPBILZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. MS16. UNDERGROUND UUIIIY LINES SHALL BE INSTALLED IN ACCORDANCE WERE THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN BUD LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFlWNG TRENCHES SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION AND PROMOTE STABILIZATION. E. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS. F. APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WERE. MS-12. WHERE CONSTRUCTION VEHICLE ACCESS BODIES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE M MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMEW IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CIFANED THOROUGHLY ATTHE END OF EAQI DAY. SEDIMENTSHALL BE REMOVED FROM WE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED M A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDMDUN DEVELOPMENT LOTS AS WELL AS TO URGER AND-DLSPURBING ACTIVITIES. MS-18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SIZE STABILIZATION OR AMR WE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AIRHORIZED BY THE LOCAL PROGRAM AUTHORITY. TRAPPED SEDIMENT AND WE DISTURBED SOIL AREAS RESULTING FROM WE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED M PREVENT FURTHER EROSION AND SEDIMENTATION. MI-19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT STR3 SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF SIORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HWR DURATION IN ACCORDANCE WITH WE STANDARDS AND CRITERIA LISTED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, CHAPTER 8 PAGES 20-24. GRAVEL CANE (VD'JTn CBNVE-- - -- Figare 4 - Pipe Outlet SeJiment Trap Pipe Outlet Sediment Trap (D/A: 1 to 2.99 acres) Landoon Cnan1 Cod. FILL. 122U.01 c ( r O -8'N��TOP OF OAS: 41T 1'-r MIN. I.-C.P PERFORATED RISER 1000 MIN. TCP OF RISER:4155' 000 BOTTOM OF DRY O.aSO STORAGE=41V BOTRFM OF TRAP:409' CONC.flA$Lt B 1B' OR Y STEEL ���iiii II111 18"CMP BARREL 12TMESRISER DAC OBOCRO®-QN NOTE CONTRACTOR SFVLLL NOT ENCROACH PAST WE PROPERTY BOUNDARY DURING CONSTRUCTION WORSE RON50FI- HARES SPACED C APARTN£RTCPLLY. IN MOMS TOTAL) A GRAVELCONEOF VOB101CRUSHED 134* CY/AL. AGGREGATE MUST BE PLACED AROUND THE RISER TO PREVENT CLOGGING OF THE PERFORATIONS. PBWORA'IHD RTSBR DWAD. I STORAGE VOLUME REQUIRED *67 CY/AC wet atarage and 62 CY/AC dr, storage. Phase I Pipe Outlet Sediment Trap Phase 1 Designed for Phase With Largest Drainage Area 1.45 AC Trap Volume Elevation Area (so Volume (cy) 409 360 410 557.6 16.99 411 827.94 25.66 Top of Dam 417' 412 1102.1 35.74 Top of Riser 415.5' 413 1416.87 46.65 414 1775.65 59.12 415 2182.09 73.29 *67 CY/AC Wet 415.5 2395.01 42.38 *67 CY/AC Dry 300 Required Storage 97.2 CY Wet 97.2 CY Dry Provided Storage 125 CY Wet 175 CY Dry a8 aE DE o Ea�A uFne "qkq B: €�aa eA z O D6/28/2022 i MO.Er v.ar MY rAHDFXP� MY B OrxM1R sWi N/A U) LU I- In 0 z Q z z LU U Q a- LU z O LU 0 0-6 UI L LU II..( V) 0-6 Z O W 1 49421 Ig C3.0 L I. nak l Ernas sEi m� .1. � uaxGTake Use OF J� a.sbaskoe beareaMu,o 6TAIMSAUB 4 aAaKFITAsDraWPAmFNE / FLG.V11/ F SHEET FLOW INSTALLATION (PERSPELTNE NEWT .TI IEN uw. uPLASTICFNCVIEW PETAL FENCE VIEW PLASTIC FENCE MEFAL FENCE A� A TYPICAL ORIENTATION OF VESCH TREATMENT- 1 SOIL(STABILT2ATION SHALLOW SIANKET) SLOPE gF N SHALLOW SLOPES, $TRIPS NETTING PROTECT( V E COVERINGS MAY BE APPLIED ACROSS THE SLOPE. WHERE THERE 15 A BERM AT THE pfRM TOP THPEE RING THE RI MATERIAL OVER BERM AND SLEEP gNCHBERM IT BEHIND THE BERM. SLOPE _ ON STEER SLOWS, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOWAND ANCHOR SECURELY. BRING MATERIAL OOWN TO A LEVEL AREA BEFORE TERMINATING THE 0' E t2- INSTALLATION. TURN THI' OR FLOW END UNOERf' AN D STAPLE AT 1Y INTERVALS. - IN DITCHES, APPLY PROTECTIVE COVERING PARALLEL TO THE DIRECTION OF FLOW USE CHECK SLOTS AS REQUIRED. AVOID JOINING MATERIAL IN THE CENTER OF THE BITCH IF AT ALL POSSIBLE. O 39A1 RIGHTLOF-WAY NON-NATIVE WRIDS Met -ERNMX-1M BOTANICAL NAME COMMON NAME WOCEAB 30.D3% FESTUCA RUBRA CREEPING RED FESCUE 1.43 2DOU% LOGUMPERENNE, PERENNIAL RYEGRASS, Ias FASORALL FARE 'FASLBALL RGL' (DIRE TYPE) 20,00% PHLEUM PRAlENSE, TIMOTHY,'CMMAX' 1.20 CTHRAJf 1200% TRIFOL(UMHYBRIOUM ALSIKE CLOVER 325 t000% AGROSTISPERENNANS, AUTUMN BENTGRNSS AIX ALBANYPINEBUSH- ILLBANYPINEBUSH- NYECOTYPE NY ECOTYPE B W% AGROS ISALB9 REIT OP 3ON IBM MIX PRICETB BULK: $3.81 REFINING RAFE:1080 LB PER ACRE WOODLPNO OPENINGS THE SHADE -TOLERANT G ASSES AND CLOVER ARE GOOD FOR MODIAND OPENINGS AND PARTALLY SHADED SITES. MIX FORMULATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE DEPENDING ON THE AVAILABILITY OF EXISTING AND NEW PRODUCTS. WHILE THE FORMULA MAY CHANGE, THE GUIDING PHILOSOPHY AND FUNCTION OF THE MIX WILL NOT. SLOPE STABILIZATION SEED MIX DRAINAGEWAYINSTALLARON (FRONT ELEVATION) BBNSTeucnory A 45J141 VP I 6 MA. � A 4GGµfpplL BASt TABLE 332-C IIXTURES FOR AREA MINIMUM BARE IANM COMMERCIAL OR RESIDENTIAL KENTUCKY 31 CR TUBETYPETALL FESCUE IMPROVED PERENNIAL RYEGRASS` KENTUCKY BLUEGRASS MINIMUM FTHREFN MINIMUM Of TABLE 13) UP TOONE(61 APPROVED VARIETIES OFBWEGRASSFROM APPROVED USTfOR USE IN NRGINW GENERALgLOPE GA OR LEW) KENTUCKY 31 FESCUE RED TOP GRASS SEASONAL NURSE CROP" LOe41VNNTENANCE SLOPE (STEEPER THAN 3:11 KENTUCKY 31 FESCUE DEBTOR GRA55 SEASONAL NURSE CROP CROV.NVETCH"' O]MPnLimax TOTAL Lee PER ACRE 1 ' r l CxuFlnu 1CNI 1 11 I 20RXEO LBS 1 1 I 1 Ri R.10% R.10% I� 125LB5. O CMA 123 Las 1 TEMPORARY DIVERSION DIKE 2 LOS zO FBs 5B IAS. C9 Use 2 LESS -NIX 2BLBS a 2BLles remiss veiwl 15B LB5 •PERENNIALRYEGR WILLGERMINATEFESTERANDATLOWERSOIL TEMPERATURES THAN FESCUE. THEREBY PROVIDING COVER AND EROSION RESISTANCE FOR SEEDBED. ^ USE SEASONAL NURSE CROP IN ACCORDANCE pai SEEMING DATE$ AS STATED BELOW MARCH, APRIL THROUGH MAY I5TH ANNUALRYE 3LS2 MAY IBTH THROUGH AUGUST I5TH FOXTAIL MILLET AUGUST 18TH THROUGH SEPTEMBER.00TOBER.__ ANNUAL RYE NOVEMBER THROUGH FEBRUARY_______.. _______. WINTERRYE '^ IF F(ATPEA IS USED, INCREASE TO 38 Lee MORE. ALL LEGUME SEEN MUST BE PROPERLY INOCULATED. WEE%NGLOVEGRASS.Atal INCLUDED IN MY SLOPE OR LOWMNNTEMANCE MIXTURE WRING VIMMER SEEDING PERRONE, ADD 10.ID IBS/ACRE IN MIXES. PS s ae A s"IW:�Nv A ApPVAO PAVE.) -� ' V SxHACK EXNTINC IS `z' u.n.• 1 .NBr EXrzw TBc_ worn —'OSITVF clunucr OF wcRese ao Ecreess 1 Tn =a uF, ory A r IOC OPCfW'ICY PLAN I vcL 'LTTi :L- N- SECTION A —A Anu int WONtap of I omb ooul be welalled Niel a mountain I hmb bral Autocrat, colpimi, a sUAhII run a diansaw of1. A lche6 for ade9ute ow]NRI ': WaAiwattbeemiiedaw)fiWee0hameWasI appr I M 11 a e to N o e e IL Aa db 1t dl tl be InelmuM Gonl enturam Room Aaufi (Inches or wataeoa nN, PAVED WASH RACK NO SAS Phase II Excavated Drop Inlet Sediment Trap design dreinage area (acres) 51 0.89 DIED volumes: elevation (ft) Brea (so volumil 420 2447 421 2937 997 421,75 3322 86.9 186.E Storage: storage required ley) (1M'DA) 119,3 bottom of excavation (ft) 419,75 top of inlet elevation 421.75 storage prodded (Cy) 186.E slope of Wet storage sides 21 EXCAVATED DROP INLET SEDIMENT TRAP YR "I SPECIFIC APPLICATION THIS METHOD OF INUET PROTECTION IS APPIQB IE WHERE HEAVY FLOWS ARE DIRECTED AND WHERE AN OVERFLOW CAPABILITY AND EASE OF MAINTENANCE ARE DESIRABLE. Source: Jean Soil Erosion and Sedira l Control E$nidebook 1975, and USDA-SCS SIDEEIEVATION NNi (NUR WON.QU GE iru u �o%m MT uw. on. PLAN VIE0 W 39Fsare ukka. w. FILiFANDnI SECTION AA xNIFOncFn GoxcPETE SECTION&e CE Hate 3.074 D cloeNn z U Lin Nn SPlIt a q a'�`vIONAL Y� 8.8 041 ' ��6 N W 6 Cz q�N i2 G �$ 4 €�eA or $w nr 32 O6/2B/2022 � OMW T. RI •• ig wGxi1 • E'No"', • asWi • N/A • • • GRAVEL CURB INLET SEDIMENT FILTER CL by 9 i \ 9 / zLU Ll I--1 Lr) e wnrEx Z LU i O ON z�zi Q ; J 6FB� Z us P ;.::�.� Bni,EA �.nBRa.AEi Z w H : ,r Z 6MYFi9WLW.1kA.Osd 6MP6EAGGFEGAtE W Q O join � e Z Er6 TUXELV iO S are IWEAp6 FNFE tlio04AGEM1 APUFEMerNILN uxnotEclm AAFws RES ANO 00 Us LU IP 3m-B W z = L O O f H j LUP1A STORMWATER INLET PROTECTION si NTMGDATES SPECIES RATE ILBSIACREI SEVE I - FEE. 15 50'TAMIXOF ANNUAL RYEGRAES z ,LWUM MULTI HomuMI EDrink) O CE CEREAL ERT (SECALE CEREALE)FJ I--L LI) 9 FEB. tfi-APR. 30 ANNUALRYEGRAS$ �-1W LRUBGORUM) E nONNU O MAY1-NJG.31 GERMAN MILLET 50 1 W E (SETARIA ITAUCA) TS 331 LOB 49421 e oMPORARY SEEDING PLANT MATERIALS C3x1 3 e L NOTE CONTRACTOR SHALL NOT ENCROACH PART THE EROSION CONTROL LEGEND PROPERTY BOUNDARY DURING CONSTRUCTOR EE S pUREf PROTbN. ECiNOTE f � LIMITS OF DISTURBANCE - SENOR SEDIMENT TRAP DRAINAGE AREA PROVIDED ON SHEET AM Blyell U CiLbIc11 'i SAFETY FENCE 3.01 CONSTRUCTION ENTRANCE 3.02 qq SILT FENCE 3.05 g4'!/aS3/ORAL` REMOVE EXISTING STORM INLET'STR-2 SW, /q INSERT 1MCMPINT0EgSTNG20'RCPAND IP ® INLET PROTECTION 3.07 GROUT FOR A WATER SEAL. INSTALL mE Op---r__-= PERFOMTEOIB' RISERSTlUCNREAS N DIVERSION DIKE 3.09 OETARED ON SHEET C30.--'-----_ __ SEDIMENT TRAP 3.13 PERFORATED I B" RISER STRUCTURE —�'� ST 4E y� (DETAILED ON KNEEL C30) I II TMP ]89 O OUTLET PROTECNON 3.18 ➢ £i a IP an SF SAF LJ' _ \ T9 THE 4710, IRSLLC � / OS. CAPGM 1TS1 TEMPoMRY SEEDING 3.31 II r\Jl 'II CURRENT USE VACANT COMMERCIAL LAND �� ZONED : TIC p5 PERMANENT SEEDING 3.32 r O (—j _._ BF w v dtd 015 �—�,� � � � MU MULCHING 3.35 4 3 o JIII IF =�� BM ® AREATHAN 3SSITOBE 3.36 ST to 'ge SOB XBON b9 ° \ r BIAHKET 6 v Wv N DILDIVIDE IROL 339 Sw ~ � 12C Ip y - SOIL DIVIDE ~ 0 e t2 T d SF AL�NIRGINIA EROSION AND SEDIMENTCONTROL HANDBOOK SPECIFICATION NUMBER ILTYPE e tlA yiF 1zE O �418 , / 01] EDDIPMENi ACCESS `EDT T C3P 1 6 / ( SHEET / (SEE SHEET C3I FOR DETAILS) I ® /� 3 ry 020 PRASE I DRANAGE AREA' 1. w O - - L TOTAL STORAGE REDDNED: t9l I � \ � IS 022 BM - TOTALSTORAGEPROVIDED' 3COCY a / 024 BOTTOM ELEV_=409 / o 02fi /� \' TOTTOM EIEV.=4P �92a / 05 \ �� 1 PRASE I PIPE OUTLET SEOIMENT / / SOILTYPE� B _ w 0G/W2022 10 TMP IS TO BE INSTALLED PRIOR TO 4" \ ]1B �. THE STET OF HAD GRADING AND \\ .OT6/ SOIUFiRODP:B OMWNBY OTHER OPSTREAM DISTURBANCES — TY ' Ip i T.MI i SEQUENCE C30F0RLATION / / / — -- -� -� v,_ i T SEQUENCESHEET OF 0 FOR RPHASE I \\\\ glGyFn gy BNGMi " __ w_ SCALE r=zo' • BUILDING FOOTPRINT - ,MINI 4p4 - FOR REFERENCE ONL�E'/ - \ 0 20' 00' • II - 425— N 8 31 / IIPI a9 / T _ 41---r'—� / r� U) 6 - "429 30-- - - - - - - - SEDIMENT TRAP / / _ W - J__- v' a rA VVASHRAFUNAND FOR VEHICLE / ____ eJ CONCREFE WAS UT ti d i e1i BC TS i _� -- � - _____ _ _ _ _ 635. 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SiR-5 I #403 RD3 I �+% n vvv !. 425\ \ THE STORM DA MAP FROM OLD ON SHEET 0 DE/24/2022 426 425/ Q } '' 6 ` \ CH OGIB , ALONGWRH ALBEVARLE COUNTY oMwx 6v ♦ 2 /$IR-1,fi ` / THE WIVERS TERE ERENCEO THE DELINEATE i. BNGIrt TXE BASINS FLOWING TO THE EXISTING ♦ STORM NEINORK THAT THE OUTING O r\ \ 0.07 ,0.9 ` 9NE 19 ROUTING TO • iT, MOR 1 / / IS EX PRIONA RD2STR 2C x «I oalo a I 0.02 0.90 I 0.25 0.90 z ♦ _mx • RON I RD4 0.20 0.87 I #2oB.,- rvA`A • 6 o.ia 0.81 \ \ "" • #206 �,• 15' SUP/ A 0�20 .8, {2 .n °1.1� D.DS 0.30 STR-7A y� 035 0.9 I fc, ��� � � 2 us 4-- _ I EJC I PK NAIL ,IKDIS ♦ �- I 110 _ 214 �� W \ y �xIF ISIL I/� w ti a g / Q a NAIWL Al _ _ _ _ - i 0?060.90 0.100.66 „ -may ',''__-_',. _ _ /p35 / f \ <c -,r / d� // @t� (n II tp .>3 - .440J2 - �______ % / / / e E c \ iD wa �Yy \ 430 -#112 -_ "#2141 � \_-' _/v- z ' \T 1 \y, ____ _ 31-i 35" /� �W PH NAIL �\ ` ��\� ti6/ \ _.3 i �,� x o _d55� _� i/ //�M) AxLU Z��3 STORM OR MAP FROM OUR ON SHEET V� U,. V 432__ 6 ��A V 69N �� // \.. 1--1 9 Q O. ALONG lMT1 ALBEMARI£COUNTY \ \ _ 9 "�}6 i - / / i i w Q z F ' l WEREREFERENCED TO DELINEATE THE RMSINS FLOWING TO THE EXISTSE STORME NEIN�URKTXAT THE PROPOSED sITE IS RDunxG TO 'o 3 Lu MR 780�* _ �_ �� � / �JJ 5 GUAOALVAAACORPoRATIONIV / \� / _ 1 �`y4 /RUN ♦ ~ p ON OR 3339, PG 210 /y \�' i MAGI /'�l6l - ��10 A\ � CURRENT USE' RESTAURANT - Nr)IC (5) _ _ 'A /� C= ZONED HC // l i , /R / g- z8 / "� •�' / \� NO // / TMP7snE1 DOB 1171 Pa iwupal gi CURRENT USE COMMERCIAL CgRSALE$PARKI.M1' ml TMP>84G ZONED NC S / / TAP INVESTMENT$LLL < ; EIGH PG 606 Y' IF) 0A — — 1 CURRENT USE NEIGHBORHOOD SHOPPING 4i36' _ _ I g / / ZONED Nc ♦ ♦ `c^/ �! _ gg i — - i / J-09 NO TRIP 289aSANVAVLLC 49421 D93383,LTUCIMC.604 sxs[T xo. ¢f CURRENT USE' ZONED BILESROWROOM �E / 3a ZONEDHC CG.I =� IRON R) RON (I L Lw4/ PROJECT: Tw.enpym Inn A Sallee LD-229 PROJECT'. Twmegane Inn B SRI WY ULIC GRACE LINE ANALYSIS STORM SEWER DESIGN COMPUTATIONS INCIDENCE PROBABILITY 10 Year COUNTY: A14mak County STORM FREOLENCY 10� ! G3 IN UNITS ENGLISH &ry0 U. CioNIkI H lie NP 041 A L`Sf ONAL eE 1.11 C v L €W za s IN 204 Al !,A a SAN 8 �q�Sr8 92 �o 15 401 IS 401 IB 62 13 1.1/ 18.7 0.01% 0 3B ON 1.15 /.% s. ]3 03B 0.1/ 353] 0.1] 035 8 0.16 /10% /13.3] OK 33] IS N a03 I1001 1a 1.15 /8.Sd 001% OCT 4,%d 0.1 042 ISM 0]] ON OC2 K% ON 0.14 010 Oi 4101 /1959 OK b/B n Wa In SON. I1223 15 CAR 52.23 0m% 0 182 001 0 0 0 0 0 0 0 001 O02 001 /122/ /14% q( -$T! $ru n 3 110 4R 15 2.1 19.33 0.09% 002 493 0.1 1.12 548 B.H 04] 0.18 T1.18 028 0.51 Il.]1 09] 422.3] 435.91 OH 3.51 i 112 /22.3T 12 1.13 12T9 DAB% 0.1 a. 0.12 C 0 0 0 0 0 0 0.12 0.1E T. 03 . @91d ON b.W ; STEPS 421.6 15 AW W.31 0.3d'b 02 6.6 0.13 0 0 0 0 0 0 0 0.13 0 ON 421.86 /35.59 ON am 0. IS O 8TEX /16/8 15 342 iS9.3/ 0. THE 0OR B% 03a 1AS ]% 186 0% 0% W84 058 1.2/ 182 t.05 4ZFNS /2818 OK -ZT1 $lR-2C IMR 15 239 IN1 0.WN, 005 ]% 019 1% TO 1985 O]T 027 51P 039 019 0 OS aN.R 42R8] ON 4,11 9TR-20 a Aa 15 IN 1W.1B O.Odb O1 IN 018 0 0 0 0 0 0 0 0.1B 0% 0% 428.9 492.48 CK -0.18 Lu E L0104 PROJKY TIMARace ImA SORIA RIPRAP a Cl W2022 o • RMc HT •• T, NGMi PIPE DOYLEY CONDITIONS • E�mar A A • dpL1H K • N/A 3� VI vw � �ae� �® •• IS- $ - a 2 AM. ru,ru mo�Hu 1, aN-N N6 W P N M O W z D H4 c a P iu I ,14 z a Q>Uy x w J Z Q Q 8 z wp U a a i W� 1 '.I 4 �I W W U O Z p�ggy ,m Na am a a 0 p g? W Z E- NOTE:REFERENCINGTHE DIMENSIONS SECENN ABOVE, IT EASE BEEN CONFIRMED (PER SITE VISIT) THAT THE EXISTING CONDITIONS RIPRAP SECTION O PROVIDED AT THE STORM OUTEALL MEETS THESE MINIMUM REQUIREMENTS. a I O aid a a E tltl 49ETHo. g 6 C6,2 ?11 OR JlI1LIKN W11FT %R-A@ gar ro (111 �Xw L6IX a ICFg L4C. RE to IFq FCT.'M SLtlE 9e (FTIFO fPIC1ry1 I[S3 n (Po A}ILTNI LC% x IN Flx slrte,e 9*a6tn e. ¢rmeme vo ro Po oI vl mA vrErza H plq. hD N n $]R-2 I0594 2I 22m 19.1 O85% 018 199 1dfi 1082 t0] 119% 1]B 082 IS AT 11] 924 0 iR 40]]8 41259 q( dT] 8]W2P 40943 16 1082 150.8 2.]F% 539 t0] OM ].29 191] 9d.04 2% 0.91 90.91 108 3.2] 0 ] 41849 434A ON d5 SIR�iA1 41843 15 ]39 39]1 1.3]% 051 131] OB] 8.43 ]]4 51.&i 0% 0.33 41.93 0.4 14 0 1]1 41).83 43181 q( J.% 20/ d19.21 15 BC5 19.99 0.9Tb 0.18 L]d 013 5.54 6% 5.13 0.83 0.12 20.39 0.16 0.61 0 Od9 419] 03d.% q( d.S 3W fl9]1 16 554 113.11 0.83% OJ 8.34 0.18 693 818 30.II 0.59 0.3f fiT]8 0.42 0]6 0 103 @0.8 @].33 q( 8.53 209 d21.03 15 d.89 81.m OA956 0.3 8.18 0.15 3.93 5.84 23.5 0.53 0.19 B.D3 003 0.3] 0.48 O51 0315] d3].% ON 8.1 210 d21.9d 15 3.83 ].94 0.30K 0.02 5.84 0.13 9]5 5.81 2181 0.52 0.19 0 0 0.32 0 0.16 d22.M d3].15 q( b.13 212 d22d2 15 3]5 %56 0.'19W 0.1 561 0.13 1.61 6.26 1135 O61 OR1 4d.18 0% 0.61 0.P9 OS 422.62 d2].81 CK b.18 v4 azz.5z 1z 181 o.n 6ze Oas B o B D o 9 0 o1s Oz o.zfi azz ee 4zeas ac az] 1m 40931 N 11 L9 30.nn 81 03] 902 OR 028 31 ]] 025 O86 8 081 409.32 0128i q( S81 102 41662 2I 902 23.85 81O16].93O]80284080320]]00424102442052OK-102]100d15d52di%1608%0.19i800.]d02889.%05209]0OS415%I31.]6OHb.]91Wd1im16iW3)d9920.19].d2O.TSORBW.5051096008501].it431.2ON349106d1]]116].@142%6']0.165260&02031.I90290]]0OW416]d26.46OK-].M301d200]165.28156d%02t0.0305201616.1]0.1Od90O26403d25.tfiOKJ0fi$TR]Ad91.3151A11.W tu im OIXi 8 0 0 0 0 003 0.04 O.Od dRO.% d2iZ5 OK J8 Outlet Protection Summa ouxee wscnaB Plpe eUo- 1, w a,� a,o wa oHkall wamecer year) ft ds k ft k In ft 1W 3.0 19.E% ll ]5 0.5 6 6 FROM Po1NiTOPOMT pMM, AREA RNJOFF COEFFRJCR6AC<IIMADOR "<' N)ls)la)0 M6NTTEpCATHERH.1ARKSinuetCFS CA TOTAL MLEISIW,NO RAIN IB) RUNOFF N) INVERT ELEVATIONS Uo) COGDOA LENGTH f�F�Rr SLOPE APE CquryFntlionELiLOW CFS Os)O6)Iv)Oel f�ff,.F,5¢ MmD) REFERENCESAREFERENCE (a)(D STA"A" ]I3I4 RI1 OIm OOi91]RS QOW QRIO IBIJ 4R11]9 4316B0 1Q951 0030 mW 545] 0.00E 6RSB.RWRpN¢fRIO 0.N0 OttO 011i OY! 0.W0 6SW 6Itt )]SIlwlm69M0.001OIO2R09 E10 ROBOIW 0.015Q)0E 6IU 3.9E6 4R0.919OH1010milm 60.001BeI60Z1 6fi0]9i 6JE/ 6.I16 4889lauler60.W56I65SfWiA1OWI Aluaoolm.�l,LSTRHvw9vabwW4da1160mJvOvewdeM1mnPmP]i�lwtiel&5u[uW1Rwmr®1 ja�ll mtlm10090 rcuW110.wFONu3mlm1ExBiwluI_TOEWlIPI400,1001P140O,IBB4BMOOMOwlula m0Qa]BIW0.WJOI6aOMWO010]11019A<ml 10 OE prwW l4 41R-2 STR-? LSrtvlm VWM L Refs, - - - E tT - Reta to Torn na Country laneP�QII F°°°^^g .p V`d T S - - _ and Calculations Management Plans lot Profles_ and Calculations for Basin, -360 i d.. iW NAM' r Q at �t .n- 1 AR Nw eripft a ¢- T RormwaL<r,Basin Detail fle eea ',i Design Speed for Town & Country Lane is 30 MPH'. Design ADT far 7o., & Country lane fs 1.500. VPD. 4) TOwn & Cnuntry Lane Typical Cross SvDkon Detail f r,zs. PLAN INCLUDED FOR REFERENCE ONLY FROM WP0200600075ANP0200700078 AMENDMENT ia'iry r—eo' as' —n' ',q" raasaai' m cu nNE CWPAs1% SIIBCRAOE �/ Sole Gape 9oae 1'PIPE—l+arypFRI1PAINa e 95% CaMPAC1fD Slie 3Is 51AENQlEp BllLfl - Plympi¢ Drive Typical Cross Section Detail Ste. 17+24 to End 19 IN PLP`"cf) se xds, eed Desl 5 far 0r gn p ym pfo DI, i is 30 MPH. Design ACT far Olympia Odae s 1,589 VPD. LD-MIS.manlna le c tlC s r. 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CinnHa tic Nc 041 � �.� Fssioxn� mat 00 o FW zs �3 s E �o zo 4 In ; 'o •j P1 a W20a or J d w z L 49421 C6.3 Section 6. Pollution Prevention Plan. (reference County Code 17-404 and State Regulation 9VAC25-880-70 part II section A.4) A. Plan showing pollution activities and prevention practices (Provide a reduced I lxl7 copy of a site plan on which all of the following activity locations are clearly marked. Keep this plan up-to-date with ongoing site changes and inspections.) Issued — 10/2014 Stonnwater Pollution Prevention Plan (SWPPP) Albemarle County IRON El I EX ✓AR WIDTHSWM / / \ \ \ \ �+TH OF OUTLET T4'RCP / / / MAI DB.3NCE D, 564 NT rNV IOUT)'"SA' // OB.3L5Ji PG. S6d / G� RON (F) I SO CURB INLET W/MHO / / / \ \\ / / , TOP=012.53' �0 R �SBMLB T OP PA, IN=4.43'15'RCP(P / / / O Po041 a aas _ INV IN=406J9'T4'RCPE) ! 1 INV OUT-0- 2VRCP 11 'PUBLIC MR) / `+9y ♦� -AT- — 24'FCP�I IRON/FI EASEMENT TOP=42f 4]' .L ]DNAL \ \ i / ______ CBG _ IN 2 b A' ' V OUT-0141115 FCP -_ OR 3651, PG .AIN / INV IN 41536' )SRCP A) \ Iy�24"RCPB 0 ______ __ ___ 9OCURB INLET W/MHO >P OY , 1 /p Qr - O; --�,I. TOPv121.61'fPE 9Br TMP J8-9 \ \ _a i Irvv. cur=4.15"RCP \ \ i, PARTNEFSLLL a p 3 0 r 7n , ED 4Jf9, PC 713 V A o qn / a 1 CURRENT USE VACANT COMMERCIAL LAND \ \ qq A.�C3 At 1�15"RCP, ZONED-HC \ \psm o z saz 1 sP snF 1 ziNAGE ns 414 411 \ \ V OA 365JN SAF Y41]417 d6 41]�''� 017 8 ` 9Fy14- f '-yy �16'FGP Il /14 4✓( 415 F IRON F \ �E sD cuae NLETWi MHo e O(y� F yg m / TOP< ME /12 �A�O / , ` \ BOgA p ��� SO CURB INLETW/MHO INV OUT-01136'15"RCP - Si — pp �D 36�0,q� NOPlNVI2Je261SFCP I31\ \\ SCALE V=20' is WaH 4� 15 CP 411R(r�IF� INV OUT=42251'1SRCP \\ \ T $r -- n-- b� /c V A 0 2P AT L P �_ No�,, P O h w R \ \ ' ® SOC RBINLET W/MHO g 12 ® SF \\ TOP YPE. \ \ 3 III 1N=4%5'15'RCP \ \ /18 OtT 26 / ® / IRONI y IP 5E)OUT=424 &5'15-RI \ \ Q I Q i II EX 29'PUBLIC \ pp 0 DC, TB .15"RCP Iq _ _ DRAINAGE \ \\ w El 1M S I oN' u, __ - Q' m pD - SEMENT \ \ 7 PC / _ _ \ \ EX 20SANITARYSEWER W O \ EASEMENTFORACSA SOIL TYPP' ZB _ _. \ \ OR 3657, PG NA'p W28/2022 / EX Z(I'PUBLIC -�¢ , 71B IP r \ O pMWX BY DRAINAGE p= m ,SRF _ _ _ \ -4251 SOIUFiRODPB / \ MHS(W/DFOPCI EASEMENT > ^ - ' \C IP \ \ \ TOP=4330, T. BVOBT OR IN E 365) PG 564 O SF _ / \ \ INV 1N=41610 R" CHD \ V OUr-016616 r • NNDNFDay / EX 20'B VAR WIODHAINAGE / / \-\ eM10 P=432 \ \ • TFd® 0 / e41 _ _ 1 aT83 'RCP q \ • n EASEMENT- / 564 i IRON 1 .' _ _ — IP II F �IAC-- - - q25— W TS / (SITE I6 LIGHTLY _ _ - VEOETATEO ATOP / SURVEY) i / / ` HE _ TO ,eaA vae - 49336 \ //J IP / , ________ - / — — — ', INV IN-4nz16�Pvc IE1� INv I�r49sz e^ vvc (s/ Q _ _ MV4UT= 1813' 8 P✓c 3 _ �/ , - _ _'' H IRO y, PN NAIL ly R sO CUES INLET W/ I 2 =,DD a:a' SEDIMENT IRAG T — — 490 TRAICONLQI.RNN GAUGE -aR�F /F) I w z "S NJ699'99'W �' r' FOR VEHICLE / TO W INAGmINAN 3 � ` TOP=422 C0' 1949' ` ' _ nag- - WASH VOGER / PROPOSm _ _ _ _ _ - _ _ ACC651BIE IACATpM a - _ �— L MAC w RCPINVWT=4/90l'IS" / CONSTRUCTION �:'� (B IL EP a e ENTRANCE D% Y�M^��.a�'' _ _ a i MA U I y / L:id .. Ti= _43 J - _ _ _ _ / A0 AA- JI / / $ NAIL ( QI / eRl" Z _ _ _ _ _,' DC TS i _ L _ �. 655" IP �ii �� 0000� -'- �� P IRON, �9owgM,vaFGILEy3 _ _41 HA P OUMPSTER i/� yW - PN NAIL � ��i 5 AOAJ��IWB/ SOCURB INL ET W/MHO F.o� / p30/ 6 _ _ _� J35 / / 4^ / /F) p, a e = Lf , � / rors2s s9' � Or Y- - — _ ri / /p �y, , ' � s INvIN l321e RCP IsI r /E A� 8 / INV IN42134')5'RCP `VI n`'-_ / U \X', / (SE) , rL PAF SF 6E \ /•,: `� w B- W u INV OUT=421.16'15"RCP �l _ _, p"""��� y y \ l �$.. (F/ ry, X 0\ y P i EX W & MR WIDTH r H' , -�`f / %\ 4 Z / Y E ( VAR. WIDTH ACCESS EASEMENT c� - 9 V _ �FON (B) , , _ / \ J F Lu e / DRAINAGE OB 3339 PG 711 _ , — 2 3 ACR DEPFE55E0 K �� �' / ` / / J 0 LL n EASEMENT _ _ _ _ 'A _ EX ✓AR WIDTH \ d 3 DB ll39. PG. >Of MN MSG B E - n/ �W CURB N6 / / 'UT/L/TYEASEMEA w a ,IN f$ ��o $ il0-W� �� �� �� / '/ FOFACS4 a I STATON - SAF \ \ N4N� "� \ / `M 33Cj / OR 365J PG 569 (� 4yv SOIL TYP@ r //� jl \u,j5 R �``\``��\/\N__ 65yN� \\J/ /�4 ,0 < �—MHD \ O O3 f TMP JB 9B CONCRETE WASIpUT `Y 6 �I SAN CO tea/ �` ,+ ,�'� GUAOALVARA CORPOROnnu nr �' TOP. 31' y IRON / b{ \ �// TOP -43920' \ 1_ DR 3334PGJf0 VEHICIENAIEEL WASH STATION i� ��MA6, EX N'BVAR WIDTH ��� (8) s O BLS �� INV lN=434.12'24'RLP IEI r CURRENTUSE'RESTAURANT VNLITV EASEMENT SAf f `J/ INVIN-434.19'LCHOPE J - EX TO'WATERLINE / �L(BI J IN OUT=43395'24'HOPE\ �E ` ZONEDNO\r ABOVE GROUND FUEL STATON NBTH CONC EX 30'BVAR J r EASEMENTFOR / / 1 6 GG 560 ORRINAGE / L ACSA / P 9� $- IMPERMEABLE XFAW-MIL LINER VOLUME / � I IRON / EASEMENT O ? OB. 3339 PO ]Bf� / '>e\00 SUFFICIENT CONTAIN 3TCRE0 FUF1E08 / FLUME �� (9) / 1S/y%' EASEMENT TMP JB- S / 10.VR STORM VGWMFR 10% PIPE INLET 12'HOPE / 11BI a 36Nq`V IG0.5NIESEL) �� a, DB. 365Z PG. SAl40AVLLC ; / MW L / ='!a g$ INV (INJ=d3666' 66` p —J / y / '' S67 OB. 4559. PG. 55 (VESTING) B I MN9 (W/DROP CONN.f V'NY �i 06 dS®IU]l(PFiP1ATf $ ! / / TOP=43L01' BY N4099'II' CURRENTUSE COMMERCIAL CARSALESPARKING 0 a s TMP RLAC JNV=431.57 INSPECT � `� L ��85' MHS ZONED. 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HE --- TAP IN TMP JB9C VESTMENTS, LTC ARM \� TOP43934' LpF / DB. 365L PG&VI HOPPING / INV IN=0GE 91'8"PVC 0� INV IN=419J2'8"8"PVC (E) CURRENTUSE'NEIGHSORHOOO SDROP(S) INV OUT-d196d'PVC $� ZONED HO INV IN--020.11'8"PVC( W) li \�^^N / _ / INV OUT=42002'TPVC ED INLET wv GRa D, // b� IMF AHAA 49421 \\� TOP<3948SANOAVLLC 2€ INV IN-03615'IY RLP(S) OIA3J83, PG DA, BXB[i fn gE 'IV 1N--03B08''2TADIE(WH CURRENTUSE AUTOMOSILESHOWROOM / 8' ` INV OUT=435 NY iB"HDIEE / / ZONED ' HC PPP-3 i i L D. .3OnreCS of rOHUTanTS, locations. anu Pollutant, or Pollutant Location on site Prevention Practices, Generating Activity Control Measures i C. Sources of Pollutants continued. Common activities and minimum control and prevention practices Pollutant, or Pollutant Location on site Prevention Practices, Generating Activity Control Measures Follow Erosion and Sediment Control Clearing, grading, excavating, and un- Land disturbance area Plan. Dispose of clearing debris at stabilized areas acceptable disposal sites. Seed and mulch, or sod within 7 days of land clearing Cover storm drain inlets and use drip pans Paving operations Roads and driveways and absorbentloil dry for all paving machines to limit leaks ands ills Concrete washout shall occur in area Direct concrete wash water into a leak - Concrete washout and adjacent to the construction entrance as proof container or leak -proof settling basin cement waste designated on the Pollution Prevention that is designed so that no overflows can Plan. occur Enclose or cover material storage areas. Mix paint indoors in a containment area or Structure construction, stucco, Structures in a flat unpaved area. Prevent the painting and cleaning discharge of soaps, solvents, detergents and wash water, paint, form release oils and curing com unds. Dewatering if necessary when Water shall be filtered, settled or similarly Dewatering operations converting culvert inlet protection treated prior to discharge as shown on shown on plans plan. Designated areas for material delivery and Material delivery and storage Adjacent to construction entrance and storage. Placed near construction construction trailer. entrances, away from waterways and drainage paths Issued — 10/2014 Stortttwater Pollution Prevention Plan (SWPPP) Albemarle County Pollutant, or Pollutant Location on site Prevention Practices, Generating Activity Control Measures Material use during building process Building areas Follow manufacturer's instructions.MSDS's attached. Waste collection area will not receive a substantial amount of runoff from upland areas and does not drain directly to a waterway. Containers have lids covered before periods of rain, or are in a covered area. Scheduled collection to prevent As provided by contractor overfilling. MATERIALS NOT TO BE Solid waste disposal BURIED ON -SITE Convenient and well -maintained portable sanitary facilities will be provided, and Sanitary waste Current locations shown on plan located away from waterways or inlets. Such facilities shall be regularly maintained. Apply fertilizers in accordance with Landscaping operations Landscape areas shown on plan manufacturer's recommendations and not during rainfall events To be treated in a sediment basin or better Wash area is located at the construction control as specified on plan. Minimize Wash Waters entrance. Adjacent diversion dike will the discharge of pollutants from divert wash water to sediment trap. equipment and vehicle washing Vehicle and equipment washing Designated areas and details shown on Provide containment and filtering for all plan wash waters per the plan Minimization of exposure to precipitation and stormwater. 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. (Identify all non-stormwater discharges to occur on your site. Keep this plan up-to-date with ongoing site changes and inspections. See CGP, 9VAC25-880-70 section E for examples of non-stormwater discharges.) D. Non-stormwater discharees Discharge Pollutants or Pollutant Location on Site Constituents Dust control water Sediment As shown on plan Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Discharge Pollutants or Pollutant Location on Site Constituents E. Persons responsible for pollution prevention practices (Provide the names and contact information for all persons responsible for prevention practices as listed above.) F. Response and reporting practices Minimize discharges from spills and leaks. Minimize the discharge of pollutants from spills and leaks and implement chemical spill and leak prevention and response procedures as follows. Respond to all spills, leaks and discharges as follows, Materials and equipment necessary for oil or chemical spill cleanup will be kept in the temporary material storage trailer onsite. Equipment will include, but not be limited to, brooms, dust pans, mops, rags, gloves, goggles, kitty litter, sand, saw dust, and plastic and metal trash containers. All oil or other chemical spills will be cleaned up immediately upon discovery. Identify and stop source of discharge. Use absorptive materials to soak up as much chemical as possible. Place all contaminated material in trash containers for disposal. Report all spills, leaks and discharges as follows, (Provide detailed response and reporting practices according to 9VAC25-880-70, Part I1, section A.4.e.) Reports will be made to the following: Virginia Department of Emergency Management Emergency Operations Center (EOC) Phone: (800) 468-8892 Spills large enough to reach the storm sewers will be reported to the National Response Center at 1-800-424-8802. G. Pollution Prevention Awareness (Describe training and procedures to provide awareness and compliance for all measures in this document; waste management, wash waters, prevention measures, etc.) The registered land disturber shall oversee all construction activities to implement and maintain pollution prevention measures. As such training and procedures shall be provided by contractor for each worker on site before they begin land disturbing activities. Training on implementation of erosion and sediment control devices/procedures must be provided by registered land disturber each time a new E&SC procedure is constructed. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. This site discharges to impaired waters as detailed on the following sheets. Enhanced inspection frequency is required as outlined below: (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 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted on the next business day; and (2) Representative inspections used by utility line installation, pipeline construction, or other similar linear construction activities shall inspect all outfalls discharging to surface waters identified as impaired or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit. Addition items for implementation: (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. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Bacteria TMDL Development for the Rivanna River Mainstem, North Fork Rivanna River, Preddy Creek and Tributaries, Meadow Creek, Mechums River, and Beaver Creek Watersheds Submitted by Virginia Department of Environmental Quality Prepared by THE Louis Berger Group, INC. 2445 M Street, NW Washington, DC 20037 Final Report March 2008 Executive Summary This report presents the development of bacteria TMDLs for the Rivanna River mainstem, North Fork Rivanna River, Preddy Creek and tributaries, Meadow Creek, Mechums River, and Beaver Creek watersheds. These water bodies were listed as impaired on Virginia's 303(d) Total Maximum Daily Load Priority List and Reports (DEQ, 1998, 2002, 2004, 2006) because of violations of the state's water quality standards for E. coli and for fecal coliform bacteria. Description of the Study Area The bacteria impaired Rivanna River watershed is located within the borders of Albemarle, Greene, Nelson, and Orange counties. The city of Charlottesville is also within the watershed's boundaries. All impaired streams are located in the Rivanna River watershed (USGS Cataloging Unit 02080204). The entire Rivanna River bacteria impaired watershed is approximately 321,877 acres. Impairment Description Segments of the Rivanna River mainstem, North Fork Rivanna River, Preddy Creek and tributaries, Meadow Creek, Mechums River, and Beaver Creek were listed as bacteria impaired on Virginia's 2002, 2004, and/or 2006 303(d) Total Maximum Daily Load Priority List and Reports due to violations of the state's water quality standard for fecal coliform bacteria and/or E. coh. The impaired segments are located in the Rivanna River Basin in central Virginia. The watershed is located in the hydrologic unit (HUC) 02080204. The impaired watersheds include the City of Charlottesville and portions of Albemarle, Greene, Orange, and Nelson counties. The impaired segment of the Rivanna River (VAV-H28R-RVNOIA00) extends 5.28 miles along the mainstem from the confluence of the North Fork Rivanna River to Moores Creek. This segment of the Rivanna River was first listed on the 2006 305(b)/303(d) Water Quality Assessment Integrated Report for exceedances of the E. coli standard. During the 2006 assessment period (January 200 through December 2004), 2 Executive Summary E-1 out of 9 samples (22%) collected at listing station 2-RVN037.54 exceeded the E. coli criterion of 235 cfu/100 ml The impaired segment of Beaver Creek (VAV-H23R-BVR02AO4) extends 4.8 miles from its headwaters to Beaver Creek Reservoir. This segment of Beaver Creek was first listed on the 2004 305(b)/303(d) Water Quality Assessment Integrated Report for exceedances of the fecal coliform standard. During the 2004 assessment period (January 1998 through December 2002), 2 out of 16 fecal coliform samples (13%) collected at listing station 2-BVR005.70 exceeded the fecal coliform standard instantaneous of 400 cfu/100 MI. This segment remained on the 303(d) list in the 2006 Water Quality Assessment Report. The impaired segment of Meadow Creek (VAV-H28R-MWCOIA00) extends 4.01 miles from its headwaters to the confluence of the Rivanna River. This segment of Meadow Creek was first listed on the 2002 303(d) Water Quality Assessment Integrated Report for exceedances of the fecal coliform standard. During the 2002 assessment period (January 1996 through December 2000), 4 out of 23 fecal colifonn samples (17%) collected at listing station 2-MWC000.60 exceeded the fecal coliform instantaneous standard of 400 cfu/100 MI. The impaired segment of the Mechums River (VAV-H23R-MCMOIA00) extends 10.44 miles from the confluence of the Lickinghole Creek to the Moormans River. This segment of the Mechums River was first listed on the 2006 305(b)/303(d) Water Quality Assessment Integrated Report for exceedances of the E. coli standard. During the 2006 assessment period (January 2000 through December 2004), 2 out of 18 samples (11%) collected at listing station 2-MCM005.12 exceeded the E. coli criterion of 235 cfu/100 MI. The impaired segment of the North Fork Rivanna River (VAV-H27R-RRNOIA00) extends 10.38 miles from the public water intake to the confluence of the Rivanna River. This segment of the North Fork Rivanna River was first listed on the 2006 305(b)/303(d) Water Quality Assessment Integrated Report for exceedances of the E. coli standard. During the 2006 assessment period (January 2000 through December 2004), 3 out of 9 Executive Summary E-2 samples (33%) collected at listing station 2-RRN002.19 exceeded the E. coli criterion of 235 cfu/100 ml. The impaired segment of Preddy Creek and its tributaries (VAV-H27R-PRDOlA00) extends 25.96 miles from its headwaters to the confluence of the Rivanna River. This segment of Preddy Creek was first listed on the 2006 305(b)/303(d) Water Quality Assessment Integrated Report for exceedances of the E. coli standard. During the 2006 assessment period (January 2000 through December 2004), 3 out of the 9 samples (33%) collected at listing station 2-PRD000.21 exceeded the E. coli criterion of 235 cfu/l00 ml. During this same period, only 1 out of the 9 samples (11%) collected at listing station 2- PRD004.42 exceeded the E. coli criterion of 235 cfu/100 ml. Applicable Water Quality Standards At the time of the initial listing of Rivanna River mainstem, North Fork Rivanna River, Preddy Creek and tributaries, Meadow Creek, Mechums River, and Beaver Creek segments, the Virginia Bacteria Water Quality Standard was expressed in fecal coliform bacteria; however, the bacteria water quality standard has recently been changed, and is now expressed in E. coh. Virginia's bacteria water quality standard currently states that E. coli bacteria shall not exceed a geometric mean of 126 E. coh counts per 100 mL of water for two or more samples within a calendar month, or an E. coh concentration of 235 counts per 100 mL of water at any time. However, the loading rates for watershed - based modeling are available only in terms of the previous standard, fecal coliform bacteria. Therefore, the TMDL was expressed in E. coli by converting modeled daily fecal coliform concentrations to daily E. coh concentrations using an in -stream translator. This TMDL was required to meet both the geometric mean and instantaneous E. colt water quality standard. Watershed Characterization The land use characterization for the Rivanna River watershed was based on a combination of land cover data from the National Land Use Land cover data set (NLCD) using 2001 reference data and the Virginia Department of Forestry 2005 land use data. Executive Summary E-3 Dominant land uses in the watershed are forest (64%) and agriculture (21%). These account for a combined 85% of the total land area in the watershed The potential sources of fecal coliform include run-off from livestock grazing, manure applications, industrial processes, residential, and domestic pets waste. Some of these sources are driven by dry weather and others are driven by wet weather. The potential sources of fecal coliform in the watershed were identified and characterized. These sources include permitted point sources, failed septic systems and straight pipes, livestock, wildlife, and pets. TMDL Technical Approach The Hydrologic Simulation Program -Fortran (HSPF) model was selected and used as a tool to predict the in -stream water quality conditions of the delineated watershed under varying scenarios of rainfall and fecal coliform loading. HSPF is a hydrologic, watershed -based water quality model. The results from the model were used to develop the TMDL allocations based on the existing fecal coliform load. Basically, this means that HSPF can explicitly account for the specific watershed conditions, the seasonal variations in rainfall and climate conditions, and activities and uses related to fecal coliform loading. The modeling process in HSPF starts with the following steps e delineating the watershed into smaller subwatersheds e entering the physical data that describe each subwatershed and stream segment e entering values for the rates and constants that describe the sources and the activities related to the fecal coliform loading in the watershed The Rivanna River watershed was delineated into 41 smaller subwatersheds to represent the watershed characteristics and to improve the accuracy of the HSPF model. Of these 41 representing the entire Rivanna River watershed, 28 were within the bacteria impaired watershed. This delineation was based on topographic characteristics, and was created using a Digital Elevation Model (DEM), stream reaches obtained from the National Hydrography Dataset (NHD), and stream flow and in -stream water quality data. Executive Summary E-4 Stream flow data were available from the U.S. Geological Survey (USGS). Weather data were obtained from the National Climatic Data Center (NCDC). The data used in the model include meteorological data (hourly precipitation) and surface airways data (including wind speed/direction, ceiling height, dry bulb temperature, dew point temperature, and solar radiation). The period of January 1998 to December 2006 was used for HSPF hydraulic calibration and validation. The hydrologic calibration parameters were adjusted until there was a good agreement between the observed and simulated stream flow, thereby indicating that the model parameterization is representative of the hydrologic characteristics of the study areas. The model results closely matched the observed flows during low flow conditions, base flow recession and storm peaks. Instream water quality data for the calibration was retrieved from DEQ, and was evaluated for potential use in the set-up, calibration, and validation of the water quality model. The existing fecal coliform loading was calculated based on current watershed conditions. Since Virginia has recently changed its bacteria standard from fecal coliform to E. coli the modeled fecal coliform concentrations were changed to E. coli concentrations using a translator. TMDL Calculations The TMDL represents the maximum amount of a pollutant that the stream can receive without exceeding the water quality standard. The load allocation for the selected scenarios was calculated using the following equation: Where, TMDL = E WLA +2] LA + MOS WLA = wasteload allocation (point source contributions); LA = load allocation (non -point source allocation); and MOS = margin of safety. Executive Summary E-5 The margin of safety (MOS) is a required component of the TMDL to account for any lack of knowledge concerning the relationship between effluent limitations and water quality. The MOS was implicitly incorporated in this TMDL. Implicitly incorporating the MOS required that allocation scenarios be designed to meet a 30-day geometric mean E. coli standard of 126 cfu/100 mL and the instantaneous E. coli standard of 235 cf i/100 mL with 0% exceedance. Typically, there are several potential allocation strategies that would achieve the TMDL endpoint and water quality standards. A number of load allocation scenarios were developed to determine the final TMDL load allocation scenario. For the hydrologic period of January 2000 to December 2006, fecal coliform loading and instream fecal coliform concentrations were estimated for the various scenarios using the developed HSPF model of the Rivanna River mainstem, North Fork Rivanna River, Preddy Creek and tributaries, Meadow Creek, Mechums River, and Beaver Creek. After using the instream translator, the TMDL allocation plan was developed to meet geometric mean and instantaneous E. coli standards. Based on the load -allocation scenario analyses, the daily TMDL allocation plans that will meet the 30-day E. coli geometric mean water quality standard of 126 cfu/100 mL and the instantaneous E. coli water quality standard of 235 cfu/100 mL are presented in Table E-1. Executive Summary E-6 E-1: Allocation Plan Loads for E. coli (% reduction) for the Rivanna River mainstem, NorthTable Fork Rivanna River, PreddyMechums and Beaver Watershed Human Sources Livestock Agricultural Wildlife (failed septic (Direct and urban (Direct systems and Instream non point Instream straight pipes) Loading) sources Loading) Rivanna River 100% 100% 95% 76% VAV-H28R-RVNOIA00 North Fork Rivanna River VAV-H27R-RRNOIA00 100% 100% 95% 92% Preddy Creeks and Tributaries 100% 100% 95% 72% VAV-H27R-PRDOIA00 Meadow Creek VAV-H28R-MWCOIA00 100% 100% 95% 48% Mechums River 100% 100% 95% 76% VAV-H23R-MCMOIA00 Beaver Creek 100% 100% 95% 66% VAV-H23R-BVR02A04 The summaries of the daily bacteria TMDL allocation plan loads for the Rivanna River mainstem, North Fork Rivanna River, Preddy Creek and tributaries, Meadow Creek, Mechums River, and Beaver Creek are presented in Table E-2. Table E-3 summarizes the yearly bacteria TMDL allocation plan loads. Table E-2: Rivanna River mainstem, North Fork Rivanna River, Preddy Creek and Ili Meadow Beaver Creek TMDL Loads for E. coli d. WLA (Point LA MOS Watershed Sources) (Nonpoint (Margin of TMDL sources) safety) Rivanna River 3.72E+10 4.11E+l l Implicit 4.48E+11 VAV-H28R-RVNOIA00 North Fork Rivanna River 9.88E+09 1.62E+11 Implicit 1.72E+11 VAV-H27R-RRNOIA00 Preddy Creeks and Tributaries 6.67E+08 5.91E+10 Implicit 5.97E+10 VAV-H27R-PRDOIA00 Meadow Creek 4.08E+10 2.36E+10 Implicit 6.44E+10 VAV-H28R-MWCOIA00 Mechums River 906E+07 3.50E+10 Implicit 3.51E+10 VAV-H23R-MCMOIA00 Beaver Creek 2.60E+08 1.12E+10 Implicit 1.14E+10 VAV-H23R-BVR02A04 Executive Summary E-7 Table Ina River mainstern, North Fork Rivanna1 1 I I tributaries,11w Creek, Mechurnsand Beaver Creek TMDLAllocation Plan Loads for E. coli (effi/year) WLA (Point LA MOS Watershed Sources) (Nonpoint (Margin of TMDL sources) safety) Rivanna River 4.93E+12 4.1 IE+13 Implicit 4.60E+13 VAV-H28R-RVNOIA00 North Fork Rivanna River 2.15E+12 1.54E+13 Implicit 1.75E+13 VAV-H27R-RRNOIA00 Preddy Creeks and Tributaries 2.43E+11 5.58E+12 Implicit 5.83E+12 VAV-H27R-PRDOIA00 Meadow Creek 3.89E+12 2.23E+12 Implicit 6.12E+12 VAV-H28R-MWCOlA00 Mechums River 3.31E+10 3.31E+12 Implicit 3.34E+12 VAV-H23R-MCMOIA00 Beaver Creek 3.29E+10 1.07E+12 Implicit 1. IOE+12 VAV-H23R-BVR02A04 TMDL Implementation The Commonwealth intends for this TMDL to be implemented through best management practices (BMPs) in the watershed. Implementation will occur in stages. The benefits of staged implementation are: 1) as stream monitoring continues to occur, it allows for water quality improvements to be recorded as they are being achieved; 2) it provides a measure of quality control, given the uncertainties that exist in any model; 3) it provides a mechanism for developing public support; 4) it helps to ensure the most cost effective practices are implemented initially, and 5) it allows for the evaluation of the TMDL's adequacy in achieving the water quality standard. Table E-4 provides load reduction targets for staged implementation achieving a 10% instantaneous standard violation reduction for each TMDL watershed. While section 303(d) of the Clean Water Act and current EPA regulations do not require the development of TMDL implementation plans as part of the TMDL process, they do require reasonable assurance that the load and wasteload allocations can and will be implemented. Additionally, Virginia's 1997 Water Quality Monitoring Information and Restoration Act (the "Act") directs the State Water Control Board to "develop and implement a plan to achieve fully supporting status for impaired waters" (Section 62. 1 - Executive Summary E-8 44.19.7). The Act also establishes that the implementation plan shall include the date of expected achievement of water quality objectives, measurable goals, corrective actions necessary and the associated costs, benefits and environmental impacts of addressing the impairments. EPA outlines the minimum elements of an approvable implementation plan in its 1999 "Guidance for Water Quality -Based Decisions: The TMDL Process." The listed elements include implementation actions/management measures, timelines, legal or regulatory controls, time required to attain water quality standards, monitoring plans, and milestones for attaining water quality standards. Once developed, DEQ intends to incorporate the TMDL implementation plan into the appropriate Water Quality Management Plan (WQMP), in accordance with the Clean Water Act's Section 303(e). In response to a Memorandum of Understanding (MOU) between EPA and DEQ, DEQ also submitted a draft Continuous Planning Process to EPA in which DEQ commits to regularly updating the WQMPs. Thus, the WQMPs will be, among other things, the repository for all TMDLs and TMDL implementation plans developed within a river basin. Executive Summary E-9 Table mainstent North Fork Rivanna1 1 an 1 tributaries,11' Creek, MechunisI Beaver Creek TMIDL_ I 11 Scenario I% Instantaneous Stan1 1 Violation violation of violation of Failed Direct NPS NPS Direct GM Inst. Watershed Septics & Livestock (Agricultural) (Urban) Wildlife standard standard Pipes 126 235 #/100m1 #/IOOMI Rivanna River VAV-H28R- 100% 92% 0% 0% 0% 14.7% 10% RVNOIAOO North Fork Rivanna River 100% 100% 50% 58% 0% 21% 10% VAV-H27R- RRNOIAOO Preddy Creeks and Tributaries 100% 100% 50% 48% 0% 36.8% 10% VAV-H27R- PRDOlA00 Meadow Creek VAV-H28R- 100% 100% 0% 23% 0% 27% 10% MWCOIAOO Mechums River VAV-H23R- 100% 100% 55% 0% 0% 33% 10% MCMOIAOO Beaver Creek VAV-H23R- 100% 95% 0% 0% 0% 31.4% 10% BVR02AO4 Executive Summary E-10 Section 8. Qualified personnel The following personnel are responsible for inspections; (Provide the name, telephone number, and qualifications of the qualified personnel conducting inspections.) *TBD Issued — 10/2014 Stonnwater Pollution Prevention Plan (SWPPP) Albemarle County Section 9. Signed Certification (Provide certification according to 9VAC25-870-370. For purposes of plan review and approvals, this certification should be the owner of the property, the same signature as appears on the bonds and applications. Another operator can be designated on the delegation of authority form to follow.) 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 and evaluate the information submitted. Ba: system, or those persons directly responsi is, to the best of my knowledge and belie significant penalties for submitting false int for knowing violations." Owner/Operator Name: Company: Title: Signature: Date: designed to assure that qualified personnel properly gather ed on my inquiry of the person or persons who manage the de for gathering the information, the information submitted , true, accurate, and complete. I am aware that there are Irmation, including the possibility of fine and imprisonment Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 10. Delegation of authority. (Provide the persons or positions with authority to sign inspection reports or to modify the stormwater pollution prevention plan. A formal, signed delegation of authority is needed.) Delegation of Authority I, (name), hereby designate the person or specifically described position below to be a duly authorized representative for the purpose of overseeing compliance with environmental requirements, including the Construction General Permit, at the construction site. The designee is authorized to sign any reports, stormwater pollution prevention plans and all other documents required by the permit. (name of person or position) (company) (address) (city, state, zip) (phone) By signing this authorization, I confirm that I meet the requirements to make such a designation as set forth in the Construction General Permit (CGP), and that the designee above meets the definition of a "duly authorized representative". Operator Name: Company: Title: Signature: Date: Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 11. General permit copy (Provide a copy of the construction general permit, 9VAC25-880) Issued — 10/2014 Stonnwater Pollution Prevention Plan (SWPPP) Albemarle County COMMONWEALTH of VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY General Permit No.: VAR10 Effective Date: July 1, 2014 Expiration Date: June 30, 2019 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 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 herein. General Permit No.: VAR10 Page 1 of 21 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. 4. Impaired waters and TMDL limitation. Discharges of stormwater from construction activities to surface waters identified as impaired in the 2012 § 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 SWPPP that minimizes the pollutants of concern and, when applicable, is consistent with the assumptions and requirements of the approved TMDL wasteload allocations. In addition, the operator shall implement the following items: General Permit No.: VAR10 Page 2 of 21 a. The impaired water(s), approved TMDL(s), and pollutant(s) of concern, when applicable, shall be identified in the SWPPP; b. 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; c. 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 d. The applicable SWPPP inspection requirements specified in Part II F 2 shall be amended as follows: (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 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted on the next business day; and (2) Representative inspections used by utility line installation, pipeline construction, or other similar linear construction activities shall inspect all outfalls discharging to surface waters identified as impaired or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit. 5. Exceptional waters limitation. Discharges of stormwater from construction activities not previously covered under the general permit issued in 2009 to exceptional waters identified in 9VAC25-260-30 A 3 c are not eligible for coverage under this general permit unless the operator implements the following: a. The exceptional water(s) shall be identified in the SWPPP; b. 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; c. 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 d. The applicable SWPPP inspection requirements specified in Part II F 2 shall be amended as follows: (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 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted on the next business day; and (2) Representative inspections used by utility line installation, pipeline construction, or other similar linear construction activities shall inspect all outfalls discharging to exceptional waters. 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. General Permit No.: VAR10 Page 3 of 21 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; 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; 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 to the VSMP authority after one or more of the following conditions have been met: General Permit No.: VAR10 Page 4 of 21 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 is responsible. When applicable, long term responsibility and maintenance requirements shall be recorded in the local land records prior to the submission of a notice of termination; 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 residential construction only, temporary soil stabilization has been completed and the residence has been transferred to the homeowner. 2. The notice of termination should be submitted no later than 30 days after one of the above conditions in subdivision 1 of this subsection is met. 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. Termination of authorizations 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 the notice of termination, whichever occurs first. 3. The notice of termination shall be signed in accordance with Part III K of this general permit. G. Water quality protection. 1. The operator must 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 B 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 c. Submit an individual permit application in accordance with 9VAC25-870-410 B 3. All written responses required under this chapter must include a signed certification consistent with Part III K. General Permit No.: VAR10 Page 5 of 21 PART II STORMWATER POLLUTION PREVENTION 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. 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 A. 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 must develop the missing elements and include them in the SWPPP. Any operator that was authorized to discharge under the general permit issued in 2009, 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. A. Stormwater pollution prevention plan 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: (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; General Permit No.: VAR10 Page 6 of 21 (5) Locations where concentrated stormwater is discharged; (6) Locations of support activities, when applicable and when required by the VSMP authority, including but not limited to (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 purposes. 2. Erosion and sediment control plan. a. An erosion and sediment control plan approved by the VESCP authority as authorized under the 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. Any operator proposing a new stormwater discharge from construction activities that is not required to obtain erosion and sediment control plan approval from a VESCP authority or does not adopt department -approved annual standards and specifications shall submit the erosion and sediment control plan to the department for review and approval. b. All erosion and sediment control plans shall include a statement describing the maintenance responsibilities required for the erosion and sediment controls used. c. A properly implemented 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, adequately: (1) Controls the volume and velocity of stormwater runoff within the site to minimize soil erosion; (2) Controls stormwater discharges, including peak flow rates and total stormwater volume, to minimize erosion at outlets and to minimize downstream channel and stream bank erosion; (3) Minimizes the amount of soil exposed during the construction activity; (4) Minimizes the disturbance of steep slopes; (5) Minimizes 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) Provides and maintains natural buffers around surface waters, directs stormwater to vegetated areas to increase sediment removal, and maximizes stormwater infiltration, unless infeasible; (7) Minimizes soil compaction and, unless infeasible, preserves topsoil; (8) Ensures that stabilization of disturbed areas will be initiated 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 General Permit No.: VAR10 Page 7 of 21 (9) Utilizes 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. New construction activities. 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. Any operator proposing a new stormwater discharge from construction activities that is not required to obtain stormwater management plan approval from a VSMP authority or does not adopt department -approved annual standards and specifications shall submit the stormwater management plan to the department for review and approval. b. Existing construction activities. Any operator that was authorized to discharge under the general permit issued in 2009, and that intends to continue coverage under this general permit, shall ensure compliance with the requirements of 9VAC25-870-93 through 9VAC25-870-99 of the VSMP Regulation, including but not limited to the water quality and quantity requirements. 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; 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); General Permit No.: VAR10 Page 8 of 21 (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 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, and sanitary wastes; and (8) Address any other discharge from the potential pollutant -generating activities not addressed above; and 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 impaired waters, surface waters with an applicable TMDL wasteload allocation established and approved prior to the term of this general permit, and exceptional waters. The SWPPP shall: a. Identify the impaired water(s), approved TMDL(s), pollutant(s) of concern, and exceptional waters identified in 9VAC25-260-30 A 3 c, when applicable; b. Provide clear direction 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 I B 4 or Part I B 5. General Permit No.: VAR10 Page 9 of 21 6. Qualified personnel. The name, phone number, and qualifications of the qualified personnel conducting inspections required by this general permit. 7. Delegation of authority. The individuals or positions with delegated authority, in accordance with Part III K, to sign inspection reports or modify the SWPPP. 8. SWPPP signature. The SWPPP shall be signed and dated in accordance with Part III K. B. 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 must 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 must be accomplished as described in Part II G. 3. The SWPPP must clearly identify the contractor(s) 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 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 where modified as soon as possible; 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 11 F. General Permit No.: VAR10 Page 10 of 21 5. Amendments, modifications, or updates to the SWPPP shall be signed in accordance with Part III K C. 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. D. 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. 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 must 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 C. 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. E. SWPPP implementation. The operator shall implement the SWPPP and subsequent amendments, modifications, and updates from commencement of land disturbance until termination of general permit coverage as specified in Part I F. 1. All control measures must 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 F identifies a control measure that is not operating effectively, corrective action(s) 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 F identify an existing control measure that needs to be modified or if an additional 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 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. F. 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 insuring that the qualified personnel conduct the inspection. 2. Inspection schedule. a. Inspections shall be conducted at a frequency of: General Permit No.: VAR10 Page 11 of 21 (1) At least once every five business days; or (2) At least once every 10 business days and no later than 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted no later than the next business day. b. 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 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. c. 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 report required by Part II F. 3. Inspection requirements. a. As part of the inspection, the qualified personnel shall: (1) Record the date and time of the inspection and when applicable the date and rainfall amount of the last measurable storm event; (2) Record the information and a description of any discharges occurring at the time of 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 vrith 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; General Permit No.: VAR10 Page 12 of 21 (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 channel, flume, 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 roads for minimizing sediment tracking; (5) Inspect areas that have reached final grade or that will remain dormant for more than 14 days for initiation of stabilization activities; (6) Inspect areas that have reached final grade or that will remain dormant for more than 14 days for completion of stabilization activities within seven days of reaching grade or stopping work; (7) 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 but is not limited to: (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 sediments 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 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 outside of the approved area to be disturbed; (8) Inspect pollutant generating activities identified in the pollution prevention plan for the proper implementation, maintenance and effectiveness of the procedures and practices; (9) Identify any pollutant generating activities not identified in the pollution prevention plan; and General Permit No.: VAR10 Page 13 of 21 (10) 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 location(s) of prohibited discharges; d. The location(s) of control measures that require maintenance; e. The location(s) of control measures that failed to operate as designed or proved inadequate or inappropriate for a particular location; f. The location(s) where any evidence identified under Part 11 F 3 a (7) exists; g. The location(s) where any additional control measure is needed that did not exist at the time of inspection; h. A list of corrective actions required (including any changes to the SWPPP that are necessary) as a result of the inspection or to maintain permit compliance; i. Documentation of any corrective actions required from a previous inspection that have not been implemented; and j. The date and signature of the qualified personnel and the operator or its duly authorized representative. The inspection report and any actions taken in accordance with Part II must 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. G. Corrective actions. 1. The operator shall implement the corrective action(s) 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. General Permit No.: VAR10 Page 14 of 21 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 must 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 individual(s) who performed the sampling or measurements; c. The date(s) and time(s) analyses were performed; d. The individual(s) 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. 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. General Permit No.: VAR10 Page 15 of 21 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 modifying, revoking and reissuing, or terminating this general permit 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; 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. General Permit No.: VAR10 Page 16 of 21 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 herein, 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 but are not limited to 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. 1. 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; 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 III 1 1 or 2 in writing as part of the SWPPP. The reports shall contain the information listed in Part 111 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. General Permit No.: VAR10 Page 17 of 21 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: 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 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, etc. 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 General Permit No.: VAR10 Page 18 of 21 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 must 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: "I certify under penalty of law that I have read and understand this document and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." 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 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 90 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. General Permit No.: VAR10 Page 19 of 21 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. 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. General Permit No.: VAR10 Page 20 of 21 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. 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(s) 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 must be kept under the conditions of this general permit; 2. Have access to and copy, at reasonable times, any records that must 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. 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. General Permit No.: VAR10 Page 21 of 21 X. State permit actions. State permits 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 permits. 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 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 INSPECTION FREQUENCY: (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 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted on the next business day; and (2) Representative inspections used by utility line installation, pipeline construction, or other similar linear construction activities shall inspect all outfalls discharging to surface waters identified as impaired or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County STORM WATER INSPECTIONS FOR VSMP GENERAL PERMIT LAND DISTRIBUTING ACTIVITIES Page 1 PROJECT: MONITORING FOR THE WEEK BEGINNING: DATE AND TIME OF INSPECTION: RAINFALL: EROSION AND SEDIMENT CONTROL FACILITIES INSPECTED: (Inspections shall be conducted according to Part IIF2 of the Permit. However, if the discharges of stormwater from construction activities are to surface waters identified as imparied, inspections shall be conducted according to Part 164d.) Facility Identification Date and Time of Inspection Operating Properly (Y/N) Description of inspection observations OBSERVATION OF RUNOFF AT STORMWATER DISHCARGE OUTFALLS: (Inspections shall be conducted according to Part IIF2 of the Permit. However, if the discharges of stormwater from construction activities are to surface waters identified as imparied, inspections shall be conducted according to Part 164d.) By this signature, I certify that this report is accurate and complete to the best of my knowledge: Qualified Personnel By this signature, I certify that the contruction activity is in compliance with the SWPP and general permit. Qualified Personnel ceritication statement on page 3 shall be signed. By this signature, I certify that this report is accurate and complete to the best of my knowledge: Operator/Duly Authorized Representative By this signature, I certify that the contruction activity is in compliance with the SWPP and general permit. Operator/Duly Authorized Representative Stormwater Discharge Outfall Identification Date Clarity Floating Solids Suspended Solids Oil Sheen Other obvious indicators of stormwater pollution (list and describe) Visible sediment leaving the site? (Y/N) If yes, describe actions taken to prevent future releases (may need to attach additional information) Describe measures taken to clean up sediment outside of disturbed limits (may need to attach additional information) Clarity: Choose the number which best describes the clarity of the discharge where 1 is clear and 10 is very cloudy Floating Solids: Choose the number which best describes the amount of floating solids in the discharge where 1 is no solids and 10 the surface us covered in floating solids Suspended Solids: Choose the number which best describes the amount of suspended solids in the discharge where 1 is no solids and 10 is extremely muddy. Oil Sheen: Is there an oil sheen in the stormwater discharge (Y or N)? STORM WATER INSPECTIONS FOR VSMP GENERAL PERMIT LAND DISTRIBUTING ACTIVITIES Page 1 PROJECT: MONITORING FOR THE WEEK BEGINNING: DATE AND TIME OF INSPECTION: RAINFALL: EROSION AND SEDIMENT CONTROL FACILITIES INSPECTED: (Inspections shall be conducted according to Part IIF2 of the Permit. However, if the discharges of stormwater from construction activities are to surface waters identified as imparied, inspections shall be conducted according to Part 164d.) Facility Identification Date and Time of Inspection Operating Properly (Y/N) Description of inspection observations OBSERVATION OF RUNOFF AT STORMWATER DISHCARGE OUTFALLS: (Inspections shall be conducted according to Part IIF2 of the Permit. However, if the discharges of stormwater from construction activities are to surface waters identified as imparied, inspections shall be conducted according to Part 164d.) By this signature, I certify that this report is accurate and complete to the best of my knowledge: Qualified Personnel By this signature, I certify that the contruction activity is in compliance with the SWPP and general permit. Qualified Personnel ceritication statement on page 3 shall be signed. By this signature, I certify that this report is accurate and complete to the best of my knowledge: Operator/Duly Authorized Representative By this signature, I certify that the contruction activity is in compliance with the SWPP and general permit. Operator/Duly Authorized Representative Stormwater Discharge Outfall Identification Date Clarity Floating Solids Suspended Solids Oil Sheen Other obvious indicators of stormwater pollution (list and describe) Visible sediment leaving the site? (Y/N) If yes, describe actions taken to prevent future releases (may need to attach additional information) Describe measures taken to clean up sediment outside of disturbed limits (may need to attach additional information) Clarity: Choose the number which best describes the clarity of the discharge where 1 is clear and 10 is very cloudy Floating Solids: Choose the number which best describes the amount of floating solids in the discharge where 1 is no solids and 10 the surface us covered in floating solids Suspended Solids: Choose the number which best describes the amount of suspended solids in the discharge where 1 is no solids and 10 is extremely muddy. Oil Sheen: Is there an oil sheen in the stormwater discharge (Y or N)? STORM WATER INSPECTIONS FOR VSMP GENERAL PERMIT LAND DISTRIBUTING ACTIVITIES Page 1 PROJECT: MONITORING FOR THE WEEK BEGINNING: DATE AND TIME OF INSPECTION: RAINFALL: EROSION AND SEDIMENT CONTROL FACILITIES INSPECTED: (Inspections shall be conducted according to Part IIF2 of the Permit. However, if the discharges of stormwater from construction activities are to surface waters identified as imparied, inspections shall be conducted according to Part 164d.) Facility Identification Date and Time of Inspection Operating Properly (Y/N) Description of inspection observations OBSERVATION OF RUNOFF AT STORMWATER DISHCARGE OUTFALLS: (Inspections shall be conducted according to Part IIF2 of the Permit. However, if the discharges of stormwater from construction activities are to surface waters identified as imparied, inspections shall be conducted according to Part 164d.) By this signature, I certify that this report is accurate and complete to the best of my knowledge: Qualified Personnel By this signature, I certify that the contruction activity is in compliance with the SWPP and general permit. Qualified Personnel ceritication statement on page 3 shall be signed. By this signature, I certify that this report is accurate and complete to the best of my knowledge: Operator/Duly Authorized Representative By this signature, I certify that the contruction activity is in compliance with the SWPP and general permit. Operator/Duly Authorized Representative Stormwater Discharge Outfall Identification Date Clarity Floating Solids Suspended Solids Oil Sheen Other obvious indicators of stormwater pollution (list and describe) Visible sediment leaving the site? (Y/N) If yes, describe actions taken to prevent future releases (may need to attach additional information) Describe measures taken to clean up sediment outside of disturbed limits (may need to attach additional information) Clarity: Choose the number which best describes the clarity of the discharge where 1 is clear and 10 is very cloudy Floating Solids: Choose the number which best describes the amount of floating solids in the discharge where 1 is no solids and 10 the surface us covered in floating solids Suspended Solids: Choose the number which best describes the amount of suspended solids in the discharge where 1 is no solids and 10 is extremely muddy. Oil Sheen: Is there an oil sheen in the stormwater discharge (Y or N)? VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM CONSTRUCTION ACTIVITIES (VAR10) NOTICE OF TERMINATION 2019 Permit Coverage Number (VAR10####): Section I. Operator/Permittee Information. The person or entity that has active permit coverage approval and operational control over construction activities to ensure compliance with the general permit. A person with signatory authority for this operator must sign the certification in Section VII (per Part III. K. of the VAR10 Permit). Construction Activity Operator Name: Contact Person: Address: City, State, Zip Code: Phone Number: Primary Email: CC Email: Section II. Construction Activity Location Information. Project site information. Construction Activity Name: Address: City and/or County and Zip Code: Latitude and Longitude (6-digit, decimal degrees format): Section III. Reason for Terminating Coverage under the General Permit. The operator shall submit a Notice of Termination within 30 days after meeting one or more of the following conditions (select one or more): ❑ 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 is responsible. 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 Notice of Termination; ❑ 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 residential construction only, temporary soil stabilization has been completed, the operator has provided written notification to the homeowner about the importance of final stabilization and incorporating a copy of the notification and siened certification statement into the SWPPP. and the residence has been transferred to the homeowner. Rev 04/2019 PAGE 1 16 CONSTRUCTION GENERAL PERMIT (VAR10) NOTICE OF TERMINATION 2019 Section IV. Participation in a Regional Stormwater Management Plan. If your site discharges to a regional stormwater management facility, provide information related to the regional stormwater management plan. Attach a separate list if discharging to multiple regional facilities. Regional Stormwater Management Facility Type: Address: City and/or County and Zip Code: Latitude and Longitude (6-digit, decimal degrees format): Total Acres Treated by Regional Facility (report to one -hundredth of an acre): Impervious Acres Treated by Regional Facility (report to one -hundredth of an acre): Section V. Perpetual Nutrient Credits. If your site is utilizing nutrient credits, provide information related to the perpetual nutrient credits that were acquired in accordance with § 62.1-44.15:35 of the Code of Virginia. Attach a separate list if needed. Nonpoint Nutrient Credit Generating Entity (Bank Name): Perpetual Nutrient Credits Acquired (pounds/acres/year): Include the affidavit of sale for all nutrient credits acquired. Is the affidavit of sale of nutrient credits attached? OYES ONO Section VI. Permanent Control Measures. If applicable, list the post -development stormwater management facilities or best management practices (BMPs) that were constructed and installed as part of this activity to comply with the stormwater management technical criteria (structural and nonstructural, on -site and off -site). Attach a separate list if needed. If you have permanent control measures, the following items are required to be included with this form in order to complete your Notice of Termination submittal: ❑ A. Engineer's Certification Statement ❑ B. As -built plans (construction record drawings) — digital ❑ C. As -built plans (construction record drawings) —full-sized, paper ❑ D. Stormwater Management Plans — digital ❑ E. BMP Maintenance Agreement — notarized original, for public and private projects under DEQ's VSMP Authority Stormwater Management Facility Types (please choose from the following burp types): Bioretention 1 Bioretention 2 Bioretention basin Bioretention filter Constructed Wetland 1 Constructed Wetland 2 Constructed wetlands Dry Swale 1 Dry Swale 2 Extended detention (2 x WQ Vol) Extended Detention Pond 1 Extended Detention Pond 2 Extended detention -enhanced Filtering Practice 1 Filtering Practice 2 Grass Channel Grassed swale Infiltration (1 x WQ Vol) Infiltration (2 x WQ Vol) Infiltration 1 Infiltration 2 Other 116 (manufactured treatment device, etc.) Other IIC (manufactured treatment device, etc.) Permeable Pavement 1 Permeable Pavement 2 Rainwater Harvesting Retention basin I (3 x WQ Vol) Retention basin II (4 x WQ Vol) Retention basin III (4 x WQ Vol with aquatic bench) Sand filter Sheetflow to Vegetated Filter or Conserved Open Space 2 Soil Amendments Urban Bioretention Vegetated filter strip Vegetated Roof 1 Vegetated Roof 2 Wet Pond 1 Wet Pond 2 Wet Swale 1 Wet Swale 2 Rev 04/2019 PAGE 2 16 CONSTRUCTION GENERAL PERMIT (VAR10) NOTICE OF TERMINATION 2019 Stormwater Management Facility #1 BMP Type: Date BMP Became Functional: Address (if available): City and/or County and Zip Code: Latitude and Longitude (6-digit, decimal degrees format): Receiving Water(s) (outfall discharge): Total Acres Treated (report to one -hundredth of an acre): Impervious Acres Treated (report to one -hundredth of an acre): Stormwater Management Facility #2 BMP Type: Date BMP Became Functional: Address (if available): City and/or County and Zip Code: Latitude and Longitude (6-digit, decimal degrees format): Receiving Water(s) (outfall discharge): Total Acres Treated (report to one -hundredth of an acre): Impervious Acres Treated (report to one -hundredth of an acre): Stormwater Management Facility #3 BMP Type: Date BMP Became Functional: Address (if available): City and/or County and Zip Code: Latitude and Longitude (6-digit, decimal degrees format): Receiving Water(s) (outfall discharge): Total Acres Treated (report to one -hundredth of an acre): Impervious Acres Treated (report to one -hundredth of an acre): Rev 04/2019 PAGE 3 16 CONSTRUCTION GENERAL PERMIT (VAR10) NOTICE OF TERMINATION 2019 Section VII. Certification. This Certification must be signed by a person representing the operator identified in Section I. and meeting the requirements of 9VAC25-880-70 Part III K. Certification: "I certify under penalty of law that I have read and understand this Notice of Termination and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered a nd evaluated the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my knowledge and belief true, accurate, and complete. I am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment for knowing violations." Printed Name: Signature (signed in ink): Date: Section Vill. Submittal Instructions. Please submit this form to the Virginia Stormwater Management Program (VSMP) Authority that has jurisdiction for your construction activity. If the locality is the VSMP Authority, please submit your form 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 Authorityplease send to: Department of Environmental Quality Office of Stormwater Management Suite 1400 PO Box 1105 Richmond VA 23218 constructiongp@deq.virginia.gov If the locality is the VSMP Authority, please send to: he Locai vsMN oaaress oeio Permit terminations may be delayed if there are outstanding annual permit maintenance fee balances due. Rev 04/2019 PAGE 4 1 6