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HomeMy WebLinkAboutWPO202100063 VSMP - SWPPP 2023-02-23�h� os .arrJ COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road, North Wing Charlottesville, Virginia 22902-4596 Tel. (434)296-5832 * Fax(434) 972-4126 'Imr}r Stormwater Pollution Prevention Plan (SWPPP) For Construction Activities At: Project Name: DUNLORA VILLAGE SUBDIVISION WPO-2021-00063 Address: Dunlora Farm Road, Charlottesville, VA 22901 Prepared by: Name: Roudabush. Gale & Associates Inc.. Nicole Jamison Prepared for: Name: Southern Development Group Inc.. Keith Lancaster SWPPP Preparation Date: November 4, 2021 Revised: May 18, 2022 Revised: February 20, 2023 Revised: February 23, 2023 (This document is to be made publicly available according to 9VAC25-880-70, Part II, section D) APPROVED by the Albemarle County Community Development Department Date 02/23/2023 File WP0202100063 Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County CONTENTS: (from Albemarle County Code Sec. 17405) 1. Registration statement 2. Notice of general permit coverage 3. Nature of activity General Site Information Adjacent Areas Sequence of Major Activities 4. Erosion and Sediment Control Plan. General Construction Notes for Erosion and Sediment Control Structural and Vegetative Practices 5. Stormwater Management Plan 6. Pollution Prevention Plan. A. Plan Showing Pollution Prevention Activities and Prevention Practices B. Sources of Pollutants, Locations, and Prevention Practices C. Non-Stormwater Discharges D. Person Responsible for Pollution Prevention Practices E. Response and Reporting Practices F. Pollution Prevention Awareness 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. Name of Receiving Waters Measures for Applicable TMDL 8. Qualified personnel 9. Signed Certification 10. Delegation of authority. 11. General permit copy 12. Inspection logs 13. Approved Plans 14. Additional Information and Logs Special Conditions Related to TMDL Grading and Stabilization Activities Log SWPPP Amendment Log Pollution Prevention Training Log Procedure for Spills of Non -Reportable Quantities Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 1. Registration statement Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY PERMIT #: GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM PLAN/ID #: CONSTRUCTION ACTIVITIES (VAR10) TECHNICAL CRITERIA: IIB ❑ IIc ❑ REGISTRATION STATEMENT 2019 Application type. IN NEW PERMIT ISSUANCE (CHOOSE ONE) ❑ MODIFICATION WITH ACREAGE INCREASE ❑ MODIFICATION WITHOUT ACREAGE INCREASE ❑ EXISTING PERMIT RE -ISSUANCE Section I. Operator/Permittee Information. A. Construction Activity Operator (Permittee). The person or entity that is applying for permit coverage and will have operational control over construction activities to ensure compliance with the general permit. A person with signatory authority for this operator must sign the certification in Section V. (per Part III. K. of the VAR10 Permit). Operator Name: Towne District, LLC Contact person: Keith Lancaster Address: 142 South Panto s Drive City, State and Zip Code: Charlottesville VA 22911 Phone Number: 434-245-0894 Primary and CC Email: kaancaster@southern-development.com cc; ewassman@roudabush.com 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 IN NO ❑ Section II. Construction Activity Information. A. Include a site map showing the location of the existing or proposed land -disturbing activities, the limits of land disturbance, construction entrances and all waterbodies receiving stormwater discharges from the site. B. Project site location information. Construction Activity Name: Dunlora Village Address: Dunlora Farm Rd. City and/or County and Zip Code: Charlottesville VA 22902 Construction Activity Entrance Location Enter from Belvedere Phase 5 Subdivision, Fowler Street (description, street address and/or latitude/longitude in decimal degrees): Latitude and Longitude 38.074210,-78.450151 (6-digit, decimal degrees format): 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 disturbed as approved in the Stormwater Management Plan): 22 ac Primary estimated area to be disturbed (include portions with Erosion and Sediment Control Plan approval only): 0.5 ac Off -site estimated area to be disturbed (if applicable): D. Property Owner Status: FEDERAL ❑ STATE ❑ PUBLIC ❑ PRIVATE IN E. Nature of the Construction Activity Description (i.e. commercial, industrial, residential, agricultural, environmental, utility): Residential F. Municipal Separate Storm Sewer System (MS4) name(s) (if the site is discharging to a MS4): Albemarle G. Estimated Project Dates (MM/DD/YYYY). Start Date: 03/01/2023 Completion Date: 05 31 2024 H. Is this construction activity part of a larger common plan of YES ® NO ❑ development or sale? Rev 11/2020 PAGE 1 ( 6 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 I. 61h Order Hydrologic Unit Code (HUC) and Receiving Water Name(s). Include additional areas on a separate page. HUC NAME(S) OF RECEIVING WATERBODY JR14 020802040401 Meadow Creek- Rivanna River JR08 020802040203 South Fork Rivanna River Section iii. Ott -site Support Activity Location Information. 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: 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? YES ❑ NO ❑ Section iv. tztner information. A. A stormwater pollution prevention plan (SWPPP) must be prepared in accordance with the requirements of the General VPDES Permit for Discharges of Stormwater from Construction Activities prior to submitting the Registration Statement. By signing the Registration Statement, the operator is certifying that the SWPPP has been prepared. B. Has an Erosion and Sediment Control Plan been submitted to the VESC Authority for review? YES ® 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 ❑x 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: Contact Name: Address: City, State and Zip Code: Phone Number: Primary and CC Email: Rev 11/2020 PAGE 2 ) 6 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 aCLU in V. -erancarion. 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: N a president secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy -making or decision -making functions for the corporation; or (ii) the manager of one or more manufacturing, production, or operating facilities, provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations, • the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for 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: N the chief executive officer of the agency or (H) a senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. Certification: "I certify under penalty of law that I have read and understand this Registration Statement and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my knowledge and belief true, accurate, and complete. I am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment for knowing violations." Printed Name: 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 DEQ. A list of local VSMP Authorities is available here: VSMP Authorities. If DEQ is the VSMP Authority please send to: Department of Environmental Quality Office of Stormwater Management Suite 1400 PO Box 1105 Richmond VA 23218 constructionlyp@deg-vir¢inia sov If the locality is the VSMP Authority, please send to: Albemarle County Department of Community Development 401 McIntire Rd. Charlottesville, VA 22902 Rev 11/2020 PAGE 3 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, sectionC. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 3. Nature of activity GENERAL SITE INFORMATION: This development is comprised of a 22 ac farm parcel, and is a portion of TMP 62-16A2. Site activities will include clearing and grubbing what's necessary to install a roadway through the property as well as general E&S measures associated with activities. The rest of the parcel will be logged only. ADJACENT AREAS: There are multiple environmentally sensitive areas to remain onsite; to include the adjacent Rivanna River and tributaries there to; wetlands and steep slopes located immediately adjacent to the property also exist and shall be protected. Perimeter erosion control measures must be properly maintained to prevent unintended impacts to any offsite areas, and prevent any sediment laden water from entering the offsite watershed. SEQUENCE OF MAJOR ACTIVITIES: 1. Contractor shall coordinate inspections, as required by the VSMP permit prior to any site clearing or grading operations. 2. Contractor to install construction entrance, tree protection, silt fencing, staging areas and SWPPP measures- as first step in construction. 3. Clearing and grubbing shall be limited to that necessary to install roadway through parcel. 4. Once installed, the rest of the site will only be cleared with no further grubbing activities. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 4. Erosion and Sediment Control Plan. (Provide a reduced, 1 Ixl7 copy of the latest Erosion and Sediment Control Plan. Do not reference only.) Approved erosion and sediment control plan for Dunlora Village are incorporated by reference as part of this Stormwater Pollution Prevention Plan. Approved plans are included in this SWPPP binder. GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL (MS-19): 1. The purpose of the erosion control measures shown on these plans shall be to preclude the transport of all waterbome sediments resulting from construction activities from entering onto adjacent properties of state waters. If field inspection reveals the inadequacy of the plan to confine sediment to the project site, appropriate modifications will be made to correct any plan deficiencies. In addition to these notes, all provisions of the Virginia Erosion and Sediment Control Regulations shall apply to this project. 2. All erosion and sediment control measures shall be installed and maintained in accordance with the Virginia Erosion and sediment Control Handbook (31 Edition, 1992) and Virginia Regulations 9VAC25-840 Erosion and Sediment control Regulations. The contractor shall be thoroughly familiar with all applicable measures contained therein which may be pertinent to this project. 3. All points of construction ingress and egress shall be protected by a construction entrance to prevent tracking of mud onto public right-of-way. An entrance permit from VDOT is required prior to any construction activities within state rights -of -way. Where sediment is transported onto a public road surface, the road shall be thoroughly cleaned at the end of each day. Sediment shall be removed from the roads by shoveling or sweeping and transported to a sediment control disposal area. Street washing shall be allowed only after sediment is removed in this manner. 4. A copy of the approved erosion and sediment control plan shall be maintained on the site at all times. 5. Sediment basins and traps, perimeter dikes, sediment barriers, and other measures intended to trap sediment onsite must be constructed as a first step in grading and be made functional before upslope land disturbance takes place. Earthen structures such as dams, dikes, and diversions must be seeded and mulched immediately after installation. Periodic inspections of the erosion control measures shall be made to assess their condition. Any necessary maintenance of the measures shall be accomplished immediately upon notification by the SWPPP Inspector and shall include the repair of measures damaged by any subcontractor including those of the public utility companies. 6. Sediment traps and sediment basin shall be designed and constructed based upon the total drainage area to be served by the trap or basin. 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 areas less than three acres (see sizing table for dimensions). b. Surface runoff from disturbed areas that is comprised of flow 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 twenty -five-year storm of 24-hour duration. Runoff coefficients used in runoff calculations shall correspond to a bare earth condition or those conditions expected to exist while the sediment basin is utilized. 7. The contractor is responsible for installation of any additional erosion control measures necessary to prevent erosion and sedimentation as determined by the plan approving authority. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County 8. All disturbed areas are to drain to approved sediment control measures at all times during all land disturbing activities and during site development until final stabilization is achieved. 9. Sediment control measures may require minor field adjustments at time of construction to ensure their intended purpose is accomplished. Division of code compliance approval will be required for other deviations from the approved plans. 10. Concentrated runoff shall not flow down cut or fill slopes unless contained within an adequate temporary or permanent channel, flume or slope drain structure. 11. The contractor shall place soil stockpiles at the locations shown on the SWPPP plan sheet for each area of construction, or as directed by design engineer. During construction, soil stockpiles shall be stabilized or protected with sediment trapping measures immediately. Offsite waste or borrow areas shall be approved by the division of code compliance prior to the import of any borrow or export of any waste to or from the project. 12. Prior to commencing land disturbing activities in areas other than indicated on these plans (including, but not limited to, offsite borrow or waste areas), the contractor shall submit a supplementary erosion control plan to the owner for review and approval by the plan approving authority. 13. Permanent or temporary soil stabilization must be applied to all denuded areas within 7 days after final grade is reached on any portion of the site. Temporary soil stabilization shall be applied within seven days to denuded areas that may not be at final grade but will remain dormant for longer than 14 days. Permanent stabilization shall be applied to areas that are to be left dormant for more than one year. Soil stabilization measures include vegetative establishment, mulching and the early application of gravel base material on areas to be paved. Contractor shall establish a stabilized site and not allow any erosion or sediment to exit. 14. If disturbed area stabilization is to be accomplished during the months of November, December, January or February, stabilization shall be accomplished by permanently seeding the area with a seeding mixture that includes the seasonal nurse crop for the Piedmont area, which is Winter Rye. See Table 3.32-D for a list of site -specific seeding mixtures for the Piedmont area. This is in accordance with Specification 3.32 from the Virginia Erosion and Sediment Control Handbook (VESCH). The seeding area will also need to be mulched in order to assist the growth of the seeding in the winter months (Specification 3.35 of the VESCH). For temporary seeding stabilization during these months, a 50150 mix of annual ryegrass and winter ryegrass, as well as a mulching cover should be put down according to Specification 3.31 of the VESCH, Table 3.31-B. 15. The term seeding, final vegetative cover or stabilization, on this plan shall mean the successful germination and establishment of a stable grass cover from a properly prepared seedbed containing the specified amounts of seed, lime, and fertilizing in accordance with Specification 3.32, permanent seeding. Irrigation shall be required as necessary to ensure establishment of grass cover. 16. Underground utility lines (water, sewer, power, cable, or gas) shall be installed in accordance with the following standards in addition to other applicable criteria. a. No more than 500 linear feet of trench may be opened at one time. b. Excavated material shall be placed 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 back filling trenches shall be properly compacted in order to minimize erosion and promote stabilization. e. Re -stabilization shall be accomplished in accordance with these regulations. f Applicable safety regulations shall be complied with. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County 17. Cut and fill slopes shall be designed and constructed in a manner that will minimize erosion. Slopes that re found to be eroding excessively within one year of permanent stabilization shall be provided with additional slope stabilizing measures until the problem is resolved. 18. All storm sewer inlets that are made during construction shall be protected so that sediment -laden water cannot enter the conveyance system without first being filtered or otherwise treated to remove sediment. 19. Before newly constructed storm water 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. 20. All temporary erosion and sediment control measures shall be removed within 30 days after final site stabilization or after the temporary measures are no longer needed, unless otherwise authorized by the local program administrator. Trapped sediment and disturbed soil areas resulting from the disposition of temporary measures shall be permanently stabilized to prevent further erosion and sedimentation. STRUCTURAL AND VEGETATIVE PRACTICES: The following erosion and sediment control structural and vegetative practices will be incorporated on the project site: 1. Construction Entrance (3.02) - A temporary construction entrance shall be installed at the site entrance as shown on the erosion and sediment control plan. 2. Construction Road Stabilization (3.03) - Access roads, parking areas and other on -site vehicle transportation routes shall be stabilized with stone immediately after grading. 3. Silt Fence (3.05) - Silt fence barriers will be installed to filter runoff from sheet flow as shown on the erosion and sediment control plan. 4. Safety Fence (3.01) - A temporary safety fence shall be erected to prohibit public access to the project area and around sensitive areas to protect them from construction traffic. 5. Dust Control (3.39) - Dust control methods must be used to reduce the amount of airborne dust during all phases of construction where soil is exposed or disturbed. 6. Permanent Seeding (3.32) - Areas brought to final grade or those construction areas that will remain dormant for a year or more shall be stabilized with a permanent seed mixture acceptable to that time of year. Prepare surface with approved treatment and additives prior to applying seed. 7. Temporary Seeding (3.31) - Areas not brought to final grade for a period of more than 14 days shall be stabilized with a temporary seed mixture acceptable for that time of year. Crimping, punch roller -type rollers, or track walking may be used to incorporate straw mulch into the soil on slopes if straw is to be used. 8. Mulching (3.35) - Plant residues or other suitable materials shall be applied to disturbed surfaces to prevent erosion and reduce overland flow velocities. This practice should be applied to all seeding operations, other planter materials which do not provide adequate soil protection by themselves, and bare areas which cannot be seeded due to the season but which still need protection to prevent soil loss. Crimping, punch roller -type rollers, or track walking may be used to incorporate straw mulch into the soil on slopes if straw is to be used. 9. Tree Preservation and Protection (3.38) - The tree fence barrier will be installed to protect the trees outside of the limits of disturbance as shown on the erosion and sediment control plan. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County BELVEDERE PHASE s UNITS OF DISTURBANCE BVIC I$yOV3!-AMENDMENT �vl FAST NALEAI UMFNOF r��Pll CLEAPNG1 y PAINSRA I BELVEDERE DISTURBABOD "°"IW" 016TIHBANCE tVNOA"¢'pJ0.9f-ANENLMEMYI'. PHASE 5B 'I - PAVEo _EJUGT FIusLOPE C01ETR T � ION -PAVED ENTRANCE CTIONtvWASH RICK EN ENTRANUE IF WPSHIS R4CK - BELVEDEFESBGMO`\INGB J Y \ EROSIONCOMROLEUITTEN SLOPE SPADES M ESTABLISH CONTRUOnON ROAD - J STABIUTABON J �SOON'G READ 1VISMID ROAD PRCTION SPAT CONSTRUCTION HAAC APPLY PRWUCTIO coNSIJLnoN i ROAD SENT -' A Bcl \t - 1'C R xIMNSX RACK MWf „IEns:k I AHLA E1 - UNITS OF TREE HARVEST AREA CAI RIVER ACCESS I«. OR m MOE I OVER IF TP f Mu I]6 Y 319.9' NOTE 13) Im O 100 SO 300 SCALE: J'-1DO NOTE: I TREE +A DIAMETER AT BREAST HEIGHT MAY NOT BE CUT 11 ME PROTECTION SHILL BE IMPLEMENTED ON WMLL APRIL,TFRU N'OVEVOER-14 OF ANY YEAR ITCI RI PER ESA SLOPES LVHERE APRJCABLE OR A. DIRECTED TO PRESERVE SECHON 3 SPECIE- SPECIFIC PROTECTIONS FOR THE STANDS OF TREES THAT SEFUL REMAIN NORTHERNLONG EARED GO (NILESPENDING FUR7HERU5 %HAND WYDUFE SERVICE NSFNSI GVIDAN'CE IS FREEERVEOSTEEPSLCPBpESXITOBEMNKEDNIHE FlELC BY STATE SEE CONTRACTOR PRIOR TO TANG ALBEMARLE RECOMMENDS MILLER COVER FROM LMPPINS DISTURBANCE LIMBS CN'SIIE FOR ANDAREA LOOGEDM'D REOUIRES LC MUH GROUND COVER FOR ST(MIN'l IWIDTH UPS LOPE OF 1'u FlELC M4RKER60ELINFATING PRBEMFDSTEEP BLOPBARE ANY TREE PROTECTION FENCING AND UPSLOPE OF ANY LIMIT TO BEMAINTAINEDTHROUGHJUTTHECOURSEOFTHE OFTREE{LEAFIRG PRCJECTANDARETOBEFEFU'3DIFOAMAGEO 3 COUNTYESC INSPECTCRMAYDIRECTPIACEMENTOF 14 NEPREMM'ENIORTEMPORPHYDISTURBANCEOF ASCII BC MEASURES NOT SHOWN IF DEEMED PRBERVELSTEEPSIAPB IS PERMISSIBUS DURING TREE NECESAFYTO CONTROL OR LIMIT SESSION AND OFFSITE REMOVAL PIKSEt SEDIMENT TRANSPORT OURIN'G OF AFTER niEEIXEARIN'O 15 TOTALTREEHA V STAREA P20AC 1 NDCU71I OFTREB6PERIAISEIBLEIYITHIN 16 URGE MATURE TREESS. BE TIMBER -HARVESTED AND JURSDICTIONALWEMM1DAR=ASN'ITIC'J1U6 ARV.00RPS SHIPPED TO THE SAIV-MILL FOR USE CF ENGINEERS IU9ACF PERMIT CLENFFNCE.'URKIpICNAL ti NOTE THE EXISTING BELVEDERE RED PUN AS AMENDED N'ETUNC AREAS ARE IDENTIFIED AND U6ELEL ISP IDE'-FOR THE ACCESS TO BOTH FOWLER AND MIRAMCA 5 TREE PROTECIICV MEASURES ARE TO BE MAINTAINED CON'=7RUCTIOKE%MA\:6 THESEUMENTTPARSATTHE THR:UGHOUT THE COUBEOFIIE PRWECT ANC AS- _3EBE TOE OF THEE DRAINAGE AREA- WERFAVC INS'TALLEC SEE REPUG:C F DAMAGED ALEC APO :ID;:Si AIAEN'CMEN'T YC AFFRCAE)1.SIC' 6 JRING No T-2FN -CN3EAPEC PAT TM' G YEAR EROSION CONTROL PLAN PEETPYOION-PIUF TO CO'ClIs a4-TREES jFSPUC6 LEW4D SEALSS AVI.NE FG RETSI ML SIT JEITAl ILA AL PRICE TO DFANCIED TREE C.fAFINi INT. AM'NEN AFEML' CE M i IE UANG TIFFS Or S'.GS fi.,TEI CC EC:A Tc z WISE g 1 'EITNCZ IN'CIAMFERATEFEAST..SGFTTrA.nVEEYFCOATI%5 PAFIn RJC¢S CUISINES CF LEVITIES A YELL 4 F4FBIEC UN PIRPBATI'FBeTSANCWCOCEC =ENCE.GCMS FIFMIA\FORESTS FNC CTnER LW.CCEC CORFLLFS Wl EN'KEALCUNTEFEC IMIAECIATELY �I a ICIU FENCE CONTACT OPERATOR WTELINREGG1RATgN — i n1ERESHALLPENOGRADLNi GNILBEINOCPDEE9lET E - REM0,11- AW ALL STUMPS SHALL BE MET 2-3 FEET ABOVE '_-ItlB ENISTEGGRAVE ENERVATTEMETSHALLpENAOETO PRESERVE THE UNDERSTCFY WEE£ AND VEGETATb N SL371 TEMFOWFI SEECINY TES LJI DURIN^u aUTUET PRTECTION LOCATE 6 MODIFIED OURSTPROTECTp-LfGONEDATTHE DSTUFBEO O ^ +35 MVLCXING MV M''I� AREA MLATCALHPOTEkTL41LICENCFATRAnNG LOw AREA IE%RI ALTOPREMNVMN3SEDIMENTOR CONCENTRATED RLOGEFFEASSFEN-FLON TE ALL- TREE^RES3n'ATL^y �, RIMCFF6HALL MIT THE IONINSECTIONTEASSIETENANC' 5 ETHEE � IE DUSTCOV— c- MEASLUTpNINSPECnpBI-WEEAWTENAFTER MINFALLSSXiLLO ENSRETHEIRLF ANC AWERTY l J PRTCALUCPEST EVENT TO _ L?='�x�•'= SE FENCED OFF PRIORTOST 10 CFTILALBLCPB TOPEFEDPRELIMINRIOFTOS PRCONCURRENT IVHAAR' IEEE OFMEE HARVEST AREA CONCURRENT AVER 4NO DC'< NOT AND S ENCROACH H INTO THE EOPTICAL EN'CFGALH INTO THEtXITIWLSLOPB IATBT OF 11 L1 'FLFERENAD SE 11110 HANDBOOK IYESCI:1 EFGSIOKA^OSEDRCMN CF ESTATES FEG<FCKGNCNCL'AL CCYTFCL MHSL'REF NCNCUHLNC97JL Section 5. Stormwater Management Plan N/A Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County 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 Ix17 copy of a site plan on which all of the following activity locations are clearlymarked. Keep this plan up-to-date with ongoing site changes and inspections.) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County B. SOURCES OF POLLUTANTS, LOCATIONS, AND PREVENTION PRACTICES 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. Material/Chemical Physical Description Stormwater Pollutants Location- Areas Where Prevention Practices, used on site Control Measures Clearing, grading, Brown/Black/Gray silt Silt Throughout Follow Erosion and excavating and on- Sediment Control Plan. stabilized areas Dispose of clearing debris at acceptable disposal sites. Seed and mulch, or sod within 7 days of land clearing Dewatering Operations N/A Silt, gasoline, oil, etc. Designated area shown on Water shall be filtered, plan settled or similarly treated prior to discharge as shown on Ian. Vehicle and equipment Silt, gasoline, oil, etc. Designated areas and details To be treated in a washing/Wash waters shown onplan sediment basin or better control as specified on plan. Minimize the discharge of pollutants from equipment and vehicle washing. Provide containment and filtering for allwash waters per the Ian Fertilizer Liquid or solid grains Nitrogen, phosphorous Newly seeded area Apply fertilizers in accordance with manufacturer's recommendations and not during rainfall events Hydraulic oil/fluids Brown oily petroleum Mineral oil Leaks or broken hoses from Designated areas hydrocarbon equipment for material deliveryand storage. Placed near construction entrances, away from waterways and drainage paths Gasoline Colorless, pale brown or Benzene, ethyl benzene, Secondary containment/ Designated areas pink petroleum toluene, xylene, MTBE staging area or leaks. for material hydrocarbon Deliveries to site deliveryand storage. Placed near construction entrances, away from waterways and drainage paths Diesel Fuel Clear, Glue -green to yellow Petroleum distillate, oil and Secondary Designated areas liquid grease, naphthalene, xylenes containment/staging area or for material leaks. Deliveries to site. deliveryand storage. Placed near construction entrances, away from waterways and drainage paths Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Antifreeze/coolant Clear green/yellow liquid Ethylene glycol, propylene, glycol, heavy metals (copper, lead, zinc) Leaks or broken hoses from equipment and deliveries to site. Designated areas for material deliveryand storage. Placed near construction entrances, away from waterways and drainage paths Sanitary Toilets Various colored liquid Bacteria, parasites, and Location shown on plans Convenient and well - viruses maintained portable sanitary facilities will be provided, and located away from waterways or inlets. Such facilities shall be regularly maintained. Solid Waste Disposal Designed container areas Waste collection area shown on plan 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 coveredarea. Scheduled collection to prevent overfilling. MATERIALS NOT TO BE BURIED ON - SITE. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County C. NON-STORMWATER DISCHARGES It is expected that the following non-stormwater discharges will occur from the site during the construction period. 1. 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. 2. Water used to control dust that has been filtered, settled, or similarly treated prior to discharge. 3. Landscape irrigation. All non-stormwater discharges will be directed to sediment control measures prior to discharge. Keep this CHART up-to-date with ongoing site changes and inspections. Discharge Pollutants or Pollutant Location on Site Constituents Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County D. PERSONS RESPONSIBLE FOR POLLUTION PREVENTION PRACTICES Towne District LLC, Keith Lancaster 142 South Pantops Dr. Charlottesville, VA 22911 (434)245-0894 klancaster@southem-development.com RLD#00343 Site contractor will be added during pre -con meeting; E. RESPONSE AND REPORTING PRACTICES Detailed response and reporting practices according to 9VAC25-880-70, Part II, section A.4.e. 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. Spill control Practices: In addition to the good housekeeping and material management practices discussed in the previous sections of this plan, the following practices will be followed for spill prevention and cleanup: 1. Manufacturers' recommended methods for spill cleanup will be clearly posted and site personnel will be made aware of the procedures and the location of the information and cleanup supplies. 2. Materials and equipment necessary for spill cleanup will be kept in the material storage area onsite. Equipment and materials may include but not be limited to brooms, dust pans, mops, rags, gloves, goggles, absorbent material (e.g., kitty litter, sand, sawdust) and plastic and metal trash containers. 3. All spills will be cleaned up immediately after discovery. 4. In the event of a spill of a hazardous substance, the spill will be immediately contained and the spill area will be kept well ventilated. Personnel will wear appropriate protective clothing to prevent injury form contact with a hazardous substance during cleanup operation. 5. Spills of toxic or hazardous material will be reported to the appropriate State or local government agency, as required by regulatory standards. Call the agencies listed below to report any spills of toxic or hazardous material: CFD Station 1: 434-296-4092 Albemarle County Police Department: 434-972-4061 Albemarle County Health Department: 434-972-6200 VA Department of Conservation & Recreation: 1-804-786-2094 VDEQ Valley Regional Office: M-F, 8:30-4:30 540-574-7800 VA Department of Emergency Services: 1-800-468-8892 Local VSMP Authority: M-F, 8:00-5:00 434-296-5832 Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Spill Procedure 1) Check for hazards (flammable material, noxious fumes, cause of spill) - if flammable liquid, turn off engines and nearby electrical equipment. If serious hazards are present, leave the area and call 911. 2) Make sure the spill area is safe to enter and that it does not pose an immediate threat to health or safety of any person. 3) Stop the spill source. 4) Call co-workers and supervisor for assistance and to make them aware of the spill and potential dangers. 5) If possible, stop spill from entering drains (use absorbent or other material as necessary) 6) Stop spill from spreading (use absorbent or other materials necessary) 7) If spill material has entered a storm sewer or public waters; contact locality's storm sewer water department, locality's VSMP inspector, local VDEQ Office and VA Department of emergency services. 8) Clean up spilled material and do not flush area with water. 9) Properly dispose of cleaning materials and used absorbent material according to manufacturer specifications. **Spill report form and procedure can be found in Section 14. Additional Information and Logs** F. POLLUTION PREVENTION AWARENESS Material Management Practices/Spill Prevention: The following are the materials management practices that will be used to reduce the risk of spills or other accidental exposure of materials and substances to stormwater runoff. Employee Training: Employee training with regard to material management practices is conducted at the site. Training includes discussions of spill response, good housekeeping, and other material management practices. Employee training generally occurs with each new employee once hired by the site contractor. Weekly tailgate training meetings are advised to ensure that as the site evolves and changes employees are up to date on all PPP practices. A training log to document these meetings can be found in Section 13. Additional Information and Logs. ii. Good Housekeeping: The following good housekeeping practices will be followed onsite during the construction project. 1. All materials stored onsite will be stored in a neat, orderly manner in their appropriate containers. Materials which have the potential for contaminating runoff during storm events will be stored in their appropriate watertight containers, stored under a canopy, tarpaulin, shrink wrapped or otherwise precluded from direct exposure of precipitation. 2. Empty containers that may contain chemical residues shall be disposed of in accordance with State and Local regulations. 3. Products, where possible, will be kept in their original containers with the original manufacture's label. 4. Chemical or petroleum products will not be mixed with one another unless recommended by the manufacturer. 5. Whenever possible, all of a product will be used up before disposing of the container. 6. Manufacturer's recommendations for proper use and disposal will be followed. 7. The site superintendent will inspect daily to ensure proper use and disposal of materials onsite Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Hazardous Products: These practices are used to reduce the risk associated with hazardous materials. Hazardous waste to include oil filters, petroleum products, paint, curing compounds and equipment maintenance fluids. 1. Products will be kept in original containers unless they are not re -sealable. 2. Products will be stored in structurally sound and sealed containers and segregated from other non -waste materials. 3. Original specimen labels and materials safety data sheets will be kept on file; they contain important product information. 4. If surplus product must be disposed of, manufacturers and/or local and State recommended methods for proper disposal will be followed. Product Specific Practices: The following product specific practices will be followed onsite: Petroleum Products: 1. All onsite vehicles will be monitored for fluid leaks and will receive regular preventive maintenance to reduce the chance of leakage. 2. It is recommended that, if practicable, all refueling, repair and changing of equipment and vehicle fluids shall be conducted in a designated area, with the use of either spill buckets and/or fuel spill mats to reduce the potential for contamination. This area will be designed in a manner to reduce the potential for contamination of onsite resources. For refueling, repair and changing of equipment and vehicle fluids outside of the designated areas, care should be taken to avoid activities within +/- 50 feet of wetlands, streams, water bodies, tree preservation areas or any other environmentally sensitive areas. 3. Petroleum products will be stored in tightly sealed containers which are clearly labeled. 4. An area will be designated for the collection and storage of all chemical and storage of all chemical and petroleum -based products and containers for those products. The containers shall be protected from rain events. 5. Any asphalt substances used onsite will be applied according to the manufacturer's recommendations. 6. The project superintendent will regularly inspect the site to ensure proper disposal methods of used antifreeze, oils, filters and other hazardous materials are followed. ii. Fertilizers: Fertilizers used will be applied according to manufacturer's product standards. The contents of any partially used bags of fertilizer will be transferred to a sealable plastic container to avoid spills. iii. Solid Waste: All waste materials will be collected and disposed of into a metal trash dumpster in the staging area. Dumpsters will have a secure watertight lid, be placed away from stonnwater conveyances and drains, and meet all local and state solid -waste management regulations. Only trash and construction debris from the site will be deposited in the dumpsters. All personnel will be instructed, during tailgate training sessions, regarding the correct procedure for disposal of trash and construction debris. Notices that state these practices will be posted in the office trailer and the individual who manages day-to-day site operations will be responsible for seeing that these practices are followed Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County iv. Sanitary Waste: Portable lavatories are located on -site and are serviced on a regular basis by a contractor. They will be located in up -land areas away from direct contact with surface waters. Any spills occurring during servicing will be cleaned up immediately, including any contaminated soils, and disposed of according to all federal, state, and local regulations. v. Minimization of Exposure to Precipitation and Storm Events In the event that precipitation is predicted onsite, construction activity operator to ensure that all pollutant generating materials present onsite is protected from the runoff by the sure of covering tarps that securely fastened to eliminate blow off. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County DUNLORA VILLAGE POLLUTION PREVENTION PLAN - CLEARING ONLY WPO#202100063 SITE DATA GANEF EL 6 ANN P PHILPE FHNPS LIVING TRUST ETALW CAFOLINE MOUNAMY 6IW NDC: AZA F1N UNITS] CEVELOFEF SOUTHERN DEVELOPMENT HCME5 14ESOUTH PANTOFS GROS CHAFLOTrE.MLLE VA S?n PLAN PFEPAPEP RCUCMUSH GALE 6 ASSOCIATES 66-SECONDSTPEET CHAFLOT WL E VA.:3^C: pxW-nmos TAY MAP PARCEL No [G'6YCW.`ldlNb TOTALPAFCELAFE4 K Tr AC (PORTION OF IMP 2Ut3A1 ZCNC:G F<RESIDEI.'TWL CURREM4 USE 2EXISTIN'GSNCiEFANLYCETACHECRFCj HOMES FFCPCEED UZE APPFCMIATELYZ AC FEE OF TILE I'. WESTING CLEARING ONLY -NO GRUSEP'G CLN OF FILL CPERMICN PEFMIWEG LNTHIN T )S RAN M EIPNCPAU CENSfIY <OU'AC NLCNY5LE DEISITY 4CU'AC-¢X CEN9h BONUSCPECR FOR MNFTEN'.NCE CF DIEING WCODEC AREA M.1 XC CENGItt ECNUE CPECIT FCFAFFCRU'AHLE HCUSWG 14—<%)- CEISIW ECNL'S CPECIT FOR Dd£LCPMEMSTANDAPD"N'Cc ALFE5) 6DDLACMAYIMUM TMP 62-16A RIO MAGISTERIAL DISTRICT, COUNTY OF ALBEMARLE, VA VICINITY MAP SCALE: V=1000 FEET Sheet List Table Sheet Number Sheet Title CCA'PN SNEJ 2 POLLllTON PPEVENTKKiPUN-PWSEI 3 FOLLUIICN PREVENTLN PIANNCTESN CETACS TOTAL SHEETS - W a 1- I / 1 1 LONSiflVLTION ENTFANLE '' `I ! _ - 4111114 1TFF MU SXOLIREPINSEION TO 1 / ,• I I I' , OF MU AND GRAVEL MO TO - - - 1 / ENTERING TXE PU&IC $1REET5� WTAF RFP C.NiM4On6P4M1RN0E CRraM/{Nr, '_ NIECT n RwGF j 1 V [BNrFSSWN N yJLIeCYNENCte I'MiM , WATeW x:vaua.nuNOFFm:u , - 1• � -__L� �,1"1 -,, _ _ Jam,, 1 -'� ' I ` 1 `,` ' ♦ I` •I /j fill nr " :� �' _ �✓ ` , - ♦I• r FIIELCOMNM1ER COW 1F11LTON 14111EP- RNNGILGE I 11 I L �" f jjj l G RNG UM115 • 1 1 ` f) ji I r . -�� -f ", ,. .i �1!/♦ PERIMEIEA NL STOWS£ f j Y'��"�TrF-E le1F\E'iMu G,f/^ � I I , AR f L;:SAN:dMC -J I ET'ENCE TO EN..LOSE r} rl Ilk ,, t 1HEElUPVESiING v ( \ , �./ - _-__ - .— - ,-�c,i' 1 I Or '1 I ------------- C I j11 ` I rW=IY.• TW= 1 2' .. 1199' (SEE NOR 13) wad roPMr L �� go. SILT LOGTE ON CCIVNHILLSOE OF SCJD\\•ASTE COLLECTION AREA /F]L "EL STABLE RFAC -I OR BF STABLE SURFACE) - Nr.5Tc0.^ITiINEF �j I NO CCN'STRUCMN WASTE NUTERAL W LL SE BURIEC ONSRE 2DE9GNATEASCLIDWASTECOLLECTCNAAEA _. THESOU WABTECCLLEC.TICN'AFFASETCULCPELCCAEC ANI1MMUbI CF C; FEETAWFV FFCAI CC\CEN'iFATEC FLCWE CFPCFMVAMP CRNN'ACIE CCUFCES ANC STGRAIVAIEF CIENNS IVAME ECCIES AN $nC'LD LILT EE LCC.PTEL IN PAE4. FFCAI iC FLCWING OF FCN;;I\'G > ALLWASTE MATERIALS' KILL BE CCLLECTEC AND STORED INN PROPER RECEFL;LE W A20RCANCEWITFALL FEDERAL STATE AND LWALWA:TE I:ANA3E:£NT FEGULPTCN£ SIZED WASTE GENERATED FROM CCNZTELC ON ACTNITEE ENTIRE PROJECT SITE AND TRASH*1H. BE CEECSREC IN CUTAKTEFS ACCgF CTFEF COLIC WASTECCNTNNEFE CNLYT=ASF ANC CORTFUCTCN DEEFIS FFCM T5E SIRE WLL EE CEPCET EC N THE CUMKTFF 6 NOTE ONLY APPROPRIATE SOMWAETS VIOLATE BE PLACED IN CU.IELMPS ANVOP SCUD IVASTE CONTAINERS GERTPINIIASTEC SUCHASHJIAFOCL'SWAiTK APPLIANCES FLLDFESCEN'TU.41R. PESTICIDES ETC AA'INLTSE CISPGSED OF IN FOOD WASTE G VTANEP6. POP ANY ITEM THAT 15 CO410ERED HA)ARCC'J_' WASTE FOLLCM'THE M:'"EDURKSFECIFI-OlNTHEETOR'AVhMR ULTONFRi ENTICNPLAV `YI°M A'/.TEgMI ANN'A3c1:EN'T FFACTICE.S- W.Zi'nC„`L5 F1OS_LICr„ E LIC'JICMAS)EjFEILBE CI:PCS"ILGIAL.11MIgS.qNC„CF •,JCW:ISTE CC\TAINEF9 FOLLOW MA\UFACTUHB' FECE IN,ETAT_ FNC LOCAL WIC%J:F_'C.]IS SCJC%'AS7E i'OLECS MC'EFLV SIU FENCE uHCJL06E lN'$TFLLEC CN rHE Lp.'I'IAl15Lc C=T4E ECJLI'.ASTE CCLEC➢Ct Ag61 C<4A11\I': L"L F GCE CIDE COJCI'RCa L\fEL10%DERAK AND C:: M14ECJAI SPNF. O-WAIT. NTN\Eq 1'LLE A TP\A' ;TAl WACTE OL' CSFL:RE SCHEDULE 191LJ. CJ ll T- CJE-TO', HE— TCc R T '1V4VEF JPMLJ'G CLFPRJ nE DB.'LJ IC\ FTI Me CO'GTRJC-REV 'F..\CE TRALOF N'.cF: FNC v'_E FIN VUCE GNA YiiE MECJENT IALIS 11 SIAACE1WoWA- IS CC':TFN'FN VALE BE FACED aU`'HI GFCJ%8 AF!T r1 PALLET OF AV KUI IALEN' STRUCTURE lC THE PRO ELT CC NOTA jCTIC\A'FNAiiEF CFW.EN'SURE THAT SILT PENCE IN, T4LLP- ON THE WAWILL SLOPE BELOW ME SOLID WASTE COLECTI']N APEA TO CONTAIN LFA•:MaE AND OF CPIL'J.3E !S THE PROJECT CT.%C7EJCTICC MAYIEME A'L'S.TENSURE TATLUMPCTER ANDC'P SOLD PACTS' C:NTADCF5 FM E SECURE WAETGHT TOi SO THEY DAY 6E W\EF'cC BEFOREDU l: FERICCS OF RAN' le IF ELN.F zAND'OFCOLD%:AETE CONTAINERS.W N iFIAT FECJFE CJAMFI LICE THE R CODE c=_1:EET 13 A CG'/ERED AREA Ii ACHED JO'WASTE COLLECTICVARSAAN'G CHECK CUMESTER6 AND OR CCW\V4TE CCNTNNEFE FOR LEA!_ CFILLE A\L E%TEFNFL:LFF:!AC\ AGE 2TFLCTLSFL FAIL IL 11EEAL', AND IA:A=pATFLI'AFIBF-TCL\I E\ENT:. :S CCE\\' UP LI'[E AND SELLS IM\'cCIATELY SOLID WASTE COLLECTION CONTAINMENT AREA NOTES: 1 CONCRETE TRUCKS WILL ONLY WASH OUT DMOLMSESUFPLU9 CONCRETE OF DRUM WASH WATER ATAFPRCVEO LOCAMCNS N ACCORDANCE WITH FEDERAL STATE AND LO:k REGULATIONS'. ALL CONCRETE AND CONCRETE WASHOUT SWFRES FROM THE CONCRETE MIXER TRUCKS AND CARES WILL BE OISCWWGEU INTO ME WASHOUT AREA OR HAULED 01 FOR DISPCIcAL SMALLER EOUIPM ENT SUCH. AS WHEELBARROW'S AND HANG TOUTS ALSO WLL BE WASTED OpVN AT THE TEMPORARY CONCRETE WASHOUT. 2, THE TEMPORARY CONCRETE WAS HCLIT AREA WILL BE CONGTRU TV BEFORE XK, CCNCRETE FOURS OCCUR AT THE SITE E. CONCRETE RDUPS WILL NOT BE CON CU-TED DURING OR BEFORE AN ANTICIPATED STORM EVENT. I. WHEN THE TEMPORARY WASH OUT AREA IS NO LONGER NEEDED EDP ME CONSTRUCTCNFOJECT 5, TEMPORARY CONCRETE WASHOUT WILL BE CONSTRUCTED NTH MINIMUM FIAT AREA Of INA' AT THE BOTTOM OF THE PIT YAM I OR FIATTERSIDE SLOPES HOWE1'ER THE RL SHOULD BE SIZED FOR SUFFICIENT VOLUME AND CLWNTTY TO CONTAIN ALL W LID AND CONCRETE WASTE GENERATED BY ME WASHOUT OFEMTONS. 6, THE TEMPORARY UNLINED CONCRETE WASHOUTSHWID BE A MINIMUM OF AEON MOM ANYNATURAL DRAINAGE PATHWAY OR WATERBCOY. CO N'OT LOCATE UNLINED CONCRETE WMNO UT WITHIN loirt OF MN W ELLS pdNY.I WATER BELIEVE IF SITE CONSTRAINTS MAKE THIS INFEASIBLE OR IF HGNLY PERMEABLE SOILS EASTON SITE MECONCPETE WASHOUT PAPA MUST EE IRITALEL LATH AN IMPEFMEABIE LINER I IC MIL PLASTC LWER)OR SURFACE STOW\OEALTEFNATNES USING PREFABRICATED CONCRETEWASHOUT OEMCES ORA UNEDABCVE GROUNDSTORAGEAREA SHOULD BE Us®. ) THE WASHOUT AREA WILL BE WSPECTED DAILY AND AFTER HEAVY PLAINS TO ENSURE THAT ALL CONCRETE WASHIIS BEING DISCHNCED INTO THE WASHOUT AREA THAT THERE ARE NO USA. CA TENS ARE PRESENT AND PC IDENTIFY IF THEWASHOUT HAS REACHED 1; OF ITS HOLDING GPACIIY BE DAMAGES TO ME CONTAINER SHOULD BE REPAIRED PROMPTLY 9. LEHRORARNMINCRETEWASHOUTNWLLBEREVANED CLEANED OR ENLARGEDAS NECESSARY TO MAINTAIN FOR CONCFETEWASTE lk PLASTIC LINING MUST BE FREE OF HOLES TEARS OR OTHER DEFECTS THAT COMPROMISE THE IMPERMEABILITY OF FEE MATERIAL 15 WHEN THE TEMPCPAFYCCNCRETE WASHOUT 19 FILLED TO)S:OF RS CAPACITY THE WASHING WATER SHOULD PEVACUUMED OFF OR ALLOWED i0 EVAPORATE TO AVOID OVERFLOWS, 16 WHEN THE REMAINING CEIJENTRIO550UD HAVE HNICESEO THEY SHOULD BE REMOYEC AND DISPOSED OF OR RECYCLED THE CONCRETE WLL BE BROKEN UP REMOVED AND TAKEN TO A LANDFILL FOR DISPOSAL OR RECYCLINGCENTER RECYCLING 17 BEFORE MEAN PAWS THE WA2HiLII CONTAINERS LOUD LEVEL SHCULC BE LCLWER EC OF THE C CNTANEF SHOULD BE COVERED TC ANCIC AN AERFLCW DURING THE 'ANSTOW M OGNEWILLBEFCSTECMFRKNGTHELCCATCNCFTHEW45FOLII4REJ'C ENSUE'c7dTCCKRETEELUIPAIENTOFEWTWSCCETFEWF PEF FACILRY. VETT LETT I lid PORTABLE TOILET CONTAINMENT AREA .1R[. THE FOLLCI`ll!C WOE ✓iUSEKEEPIN9 PRACTICES 11, BE FCLLCWEC C%TTE OURNGTHE CC` STRULTCN PRCJECT ICENTIFV ALL HAERE ;US ING F'JSHACAFECJS SJESTANCEC RESENT AT THE PF]JFLTLIT"c T4ElEw117CO\'°TP_CTM:V•rAn'AOEF!IU5-COIFEEAJSTCG A_'_ CVMLA: FFE_MTLT',!FFCJECTCTAVID V STEIN P 1'AT cFIF_: PRO- -TEM`NT: cCF IN TRIVIAL J SEN A`:,,:IF!c A,_ PRO- ^T�WIL-FE AE°i ll': THCIF"SIGI\>i r"'!: al\'Fi:/IN THE CFI.'aI:R:.: l'4\'UFA:TL'FES J E - I I I 'I 7 ✓: cF T`— c:ijCI\ I I ILLL. 1 11-- ll. �-cpA\J A '� P 3c' Tic EC- - i ' L. G J AL ILAL TIE LINT \S TIL E '11cABLE c PIF ION\..I_Art A nF„ AVSAL I:.' ICY,! _4ElL-CFEUIR ,/ A4. Ad-TvEVWN AF IC.L IF I: I'"'LPN.\TICL.I'.- MWAFLE C.: T'4'Ja'JF R-'JFt'F CnF.N.k IFEFL .._"5.. nE AaCS' cCF T'-_+_L F\`. � NS4FMA'C\ MEFFLF-LE:_SITP_'CTICNCTIRE EECIIA, LAKEINGSIFA CCIHE HUE#CR/L Tnc PF:APuC15 CtiUh::3 CETEE PF V5� SITE THAT RECUIRE CFKIAL IRPNC•LIW SpFFnR pGPCSAL C , CC T;J%P=ECO"'OENCXTGNSFCAP',Y_=EPLTSF S— WE ANLCISFOC/LMISTgT4__IYCLFCFPLL CHEMICALS AND I,'ATFRIAL: ERMENM 0\ THE FIR -JSET SIRE T A.LIFATEFIA.E ETJREC0: THE PCJEC'REP WILL Bc2Tn;EC INAN'EAL GFMFl N/.\'N'EF IN TIC, APIF IATE _0NTNNEFC 6 MATERIALS THATW'/a THE P=TENTIAL FOP CON7N9\A9\3 WNCFF WEISS'TERM E'IENII YILL 6E LTr FEC IN THEIR AFPFCEVATE W'ATERTGM CONTAINERS 10.K-C%A 6PILL FALLETCCLER P C4\OPl TA.R" ;;N ST;NI W PAlML CF C idEP/LICE FFECLJGEO FF9'L OFEG ^cf„APE C` PF.ECIFlTATION ACCECC TC STGWE MFAE H.IL:T EE FHTRICTK LC FRE\ENT'/A\LAU5H C WHENEVER FCS.CIELE ALL OF A FFCOLCTWILL FE U-EC OF BEPoFE CITFC5NG OF TIc CCNTAINEF ENFT' CCNTAICETIS THAT I/AV CLYTAN CHEA!1,0. FE9CL'I SAAL'. BE DISPOSED OF N: FCCC2A _E NOF. FEDERAL STATE AND KCAL FEGL'LATIC\5 12 CFEMIJ1 CF PETF;LEI'M FgCLL'C$ WILL NCT BE MIXED WFEw ONE ANOTHER UNLESS RECOMMENCED FRHE IMNURCTI'FEF iI TEE cF^JKTCC\TFUCTI MANACLE` WILL INSECT THE IM ENTCR, TAAU TO ENSURE FFWEF USE ANC CIFCLAL CF MATERAL' ON THE FIG JECT SITE. 14 THE FFCJECl CC\STFL'CTCN N!A\'AiER V.1LL E\SLURS KELL'ATE EO.'cUES ARE MAIUETE AT ALL TINES TV FANCIE SRLLS LEAKS AND OKFC3AL OF USED UOUNE 15 -0LL PRCJECTPET J\"!EL\`ALL BE INSTRUCTED CV GOOD HOLSE4EERSi PRACTICES U U _ANNOB✓O' �j 10.MIL PLASTIC{NI 9?,. U SLGPL y� r T MIN vµED FUELING AREA Se FflAI ED SECTION E,CN HIGH DIVERSION �AN rgT_X46 S COWNHILL BID ES GAAf,91w ITaJ p p p a Ta a 0 a CaVEC FUELING AREA 0 0 0 p o O O O 'I IT FIA:TCIAN BC110M.MERM N.TORT OF BERM PLAIN 1.11 SPALE S PE .. ALL LCNTS EC FCCALT SEL1C1 FCIK3 WILLTICS Q TOTHEFPACJERSRE AND ARE USED TO RE CENEC SI,, FEDERAL STATE FIND LCLALFEGVLATIGNS THE FOLLOWING PRACTICES ARE USED iC FECL'CETFE RSx FSSCCIATEO WI Alin PETFOLEEM IS ALL REFUELING REPAIRANCC'HANGING OF ECL'IFMENTANC VEXILIF FLUIDS SHALLFECGN01-CTE[INADE2OIJ.TEC — AN FA FUEUNG AREA CONTAINMENT SHOULL BE SIZEC FOR 1ICS. OF THE LNRC£TSTORAGETANA OFACITYIVUF SUFFICIENT FREEBOARII TO CONTAINTHE25REAR 24 HOUR STORM E\"EMIR WE FUEUNGAREA AND CONTAINMENT AFEASHOULO BEA MINIMUM OF[PFRCAI STORMOFNN INLETS OPEN DITCHES WATERWAYS CR SCONES OFWATEF �+ 5 MATERIAL FOR CONSTRUCTING THE DIVERSION BEAM SHOULD BE SUFFICIENTLY INTERACTS TO CONTAIN OIL 6 PLASTIC LISIN'3 MUST BE FREE OF HOLES TEARS OF OTHER DEFECTS THAT COMPROMISE THE MFEFMFAgUN OF ME MATERIAL, F T FUELING AREAWNTAINVENTSHALLSE REPAIRED CLEANED ORENIPFGEDMNECESSAFYTOMFKIM\CCNTNNMMT FOR I ICS OF LARGEST STORAGE TAN', CAPACITYAN'L SUFFICIENT FREESCAFO 10 CONTAIN THE=SRE>R :2 HOUR STORM c EVENT B- OGGOSEOFN-LL5ECOIL ANTIFREEZE EOLI'EKFS aVDOTHER AVTOMCTNE-RELATED CHEMICALS ACCORDING i0 z^ NANUFACLURER INSTR'JCTICNS 9 L'SEDOIL ANTIFREEZE AND COME SOLVENTS CAN BE RECYCLED AT DESIGNATED FACILITIEC BUT ETHER CHEMICALS X.ST BE 015PCSE0 OF AT XA2ARCC.: WASTE DISPOSAL SITE TR 10. ME PROJECT CON5WLCT0\ VANAGERSHALL DISPOSE OF OR RECYCLE THESE MATERIALS ACCORCINSIO FEDERAL STATE AND LOCAL REGULATIONS 11, ALL VEIN CLOSE ON THE PFLJECTSITEIWLL BE MONITORED FOR LEAS AND REGIME REGUUF PFE KTNE MrANMNA\LE TC REDUCE THE CHANCE OF LEAZAGE, 1q VEHICLES ANC ECUIFMENT WILL BE INSPECTED DAIO', 6FAI,fx os• 15 IFALEM l5 DSCC\EFCL USE DRIP FANS AND ABSORBENTS UNDER OR AROUND LEAKY SEHICLES UNTIL THE LEAK IS REPAIRED to LEANS WILL BE REPAIFEC IMMEDIATELY OR THE PROBLEM VEHICLE(S) OF ECUIPMENTWILLBE REMOVED FFCAI THE PROJECT SITE r TO THE ECUIPMENTAEWOLE STORAGE AREA AND FUEL TANKS WILL BE INSPECTED WEEKLY AND AFTER STORM EYENTS CI•,;zISF•S, 'nwI 16 ME PRG.£CTC'NSTRUCTON MANAGER WILL ENSURE THAT ALL PETROLEUM PRODUCT CCNTNNEFE RO'AOE SECONDARY CONTAINMENT L f 'US LE -WALLED CONTAINERS CAN BE USED AS A MEANS OF SECONDARY COCTNN'NENT 15. NOTE COUBLEAVALLED CCNTAINERSCAN'KSV/IM FUTIYS OR OPENINGS LOCATED ESLCN'TIE UCWC LEVEL OF THE UNIL CCNTNNER W' RECUIRE ACOITICNPL SECON'CRFY CONTAINMENT TC CONFORM TO FEDERAL STATE ACDOR LOCAL FEGUAT:NS. 19 NOTE WUBLEAVALLEC CCNLVNMN CCNLT EMCLUCE THE FECUIFENF'T OF 5ECGNCAF.Y CONTAINMENT FCF [( FEFUEUN'G CA TRANSFER CPERATCM. mom _:. DID PROJECT CCNSTRLGTON NM'FGEF;.HALL CESIGNFTEC AN AREA FOP, THE CGLIFCTCN'AND STCF1.iE OF ALL ' a PETROLEUM EASEL PRODUCTS, N Ci THE CC#NNMFEIRALL BE FR07ECTED FFiNI FAIN EIENTS w Li. 2 STORE CONTAINERS ON 'FILL PALLETS CF ECURALECT LTFUCTUFE: f L` CONTAINERS MUST BE STORED F\L STF:KEC INACCCFOMCE WTI-, ME 1(AN'UFACTL'FERF CIFECTCN?, %IS = � C<. ACY4EFFALTSUBSiACCES LSEC CNSITE WILL EE APRIED ACCORDING TC THE MANUFACTURERS FECOMU'cN':ATiI v a .ems ME PROJECT WNSIPL'LIIC\I!F'LL'uEA WILL ENSURE THAT ALL SPIWi OF WN7A1/.INF7K SURFACES a'nE CLEANED OF (( IMMECAMLY UM DgICLEAN' UP MEACCCEE WHERE POSSIBLE AND EUTAIN'ATE THE ECURZE IF ME 6PILL TC P-nEJENT LL AUECHARKiE INN FL FTHEFA\:E OF AS DNGLINri DISCHARGE 7H>1 ME SVRFF:EST ARE N']T CLEAN_' F• LOSING TF_ Z g � 4FEa CO1V.N Q C :i IcT:ISGF-AERNA iR=3ALLO\S THEN=ACPI OC FErq.:.t3:M CCN'iN\BPS,^A\ISrCFUNC CTLREDCV'1E cgGEP_ r J Ja J Z :11=IS �iPLATEFW\ lV 34L'.C\5 THE'LA', E^'::TFJCIIC::NMAFfFM!".-FF"+4FE ACnIL_°FE\EI(11.^•. iC,. A L \ ES',, JR J, ` Z a ..H: LF . r:'. 1.0 LID .; \. A°..Ic J1 u1 IT` �'.-WR.J-" \ Cl :\)SU.a`F C>\4" Z / O 0 1CGETHCFNEE1CFASCACACI. :F Ai tiAq F..-\. RN fl •14c.-.A... 'LLI a A\\.` 1EA\.'ErATF\P ddE\T117111LALI,Tl,\IN:'M1 _EA\K:TILLi AI" 1CRe rvF\ ✓' \ F iCF> Ll 4J^I THEFCGUFEI/E\7C_FEWTI\ EA I'EPEFLCLER_ < Z Z z _1 1-1 MC"TRENTO E AETEGFGUiZSTIFLESE AACI F FETF.`^.EUM MO_L, OU THE cFLJKT LITE IS' NlEIlL "WVEMNh W Q 1 C THAN 15]UT_-lCJECTC?_lTFJCIIC\MA\AGEF VUET rCLLCS ALL APPLICABLE FECEFAL'nEWLATIC:i CECJNDAFi LCYANMENT Q O J F z J z0 LL z9 a FUELING AREA z BELOW -GRADE CONTAINMENT AREA 0 = GOOD HOUSEKEEPING 1 3-1 Section 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. NAME OF RECEIVING WATERS: Meadow Creek-Rivanna River JR 14 (02080204040 1) South Fork Rivanna River JR08 (020802040203) MEASURES FOR APPLICABLE TMDL: DEQ staff has determined that the proposed land -disturbing activity will discharge to a surface water identified as impaired or for which a TMDL wasteload allocation has been established and approved prior to the term of the general permit for (i) sediment or a sediment -related parameter or (ii) nutrients. Therefore, the following general permit (Part I.B.4) and SWPPP requirements (Part ILA.5) must be implemented for the land -disturbing activity: • Permanent or temporary soil stabilization shall be applied to denuded areas within seven (7) days after final grade is reached on any portion of the site. • Nutrients (e.g., fertilizers) shall be applied in accordance with manufacturer's recommendations or an approved nutrient 00management plan and shall not be applied during rainfall events. • Inspections shall be conducted at a frequency of (i) at least once every four (4) business days or (ii) at least once every five (5) business days and no later than 24 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 24 hours between business days, the inspection shall be conducted on the next business day. • Representative inspections used by utility line installation, pipeline construction, or other similar linear construction activities shall inspect all outfalls. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 8. Qualified personnel The following personnel are responsible for inspections; Southern Homes Development is responsible for the assisting the facility in developing, implementing, maintaining, inspecting and revising the facility's SWPPP. Below are the qualified personnel for the site; Keith Lancaster RLD#00343 klancaster&southern-development.com All persons listed above can be contacted at 434-245-0894 SWPPP AVAILABILITY: The Stormwater Pollution Prevention Plan, a copy of the VPDES permit, construction plans, and other materials referenced in this plan shall be retained at the project location. SWPPP mailbox found near construction entrance. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 9. Signed Certification Certification according to 9VAC25-870-370 "I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible forgathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." Operator Name: k4& Company: Title: LA,.4 PIKE" &�/ Signature: AAt� . Date: 2�2of 23 Issued— 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 10. Delegation of authority. 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 Dunlora Village Subdivision construction site. The designee is authorized to sign any reports, stormwater pollution prevention plans and all other documents required by the permit. (Company) (Name of Person(s)) (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 ConstructionGeneral 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 Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County COMMONWEALTH of VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY General Permit No.: VAR10 Effective Date: July 1, 2019 Expiration Date: June 30, 2024 GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM CONSTRUCTION ACTIVITIES AUTHORIZATION TO DISCHARGE UNDER THE VIRGINIA STORMWATER MANAGEMENT PROGRAM AND THE VIRGINIA STORMWATER MANAGEMENT ACT In compliance with the provisions of the Clean Water Act, as amended, and pursuant to the Virginia Stormwater Management Act and regulations adopted pursuant thereto, operators of construction activities are authorized to discharge to surface waters within the boundaries of the Commonwealth of Virginia, except those specifically named in State Water Control Board regulations that prohibit such discharges. The authorized discharge shall be in accordance with the registration statement filed with the Department of Environmental Quality, this cover page, Part I - Discharge Authorization and Special Conditions, Part II - Stormwater Pollution Prevention Plan, and Part III - Conditions Applicable to All VPDES Permits as set forth in this general permit. Construction General Permit Effective July 1, 2019 Page 2 of 26 10M.T 1 DISCHARGE AUTHORIZATION AND SPECIAL CONDITIONS A. Coverage under this general permit. 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. 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. 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. Discharges covered by another state permit. This general permit does not authorize discharges of stormwater from construction activities that have been covered under an individual permit or required to obtain coverage under an alternative general permit. Page 3 of 26 4. Impaired waters and total maximum daily load (TMDL) limitation. Nutrient and sediment impaired waters. Discharges of stormwater from construction activities to surface waters identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit for (i) sediment or a sediment -related parameter (i.e., total suspended solids or turbidity) or (ii) nutrients (i.e., nitrogen or phosphorus) are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a stormwater pollution prevention plan (SWPPP) in accordance with Part II B 5 of this permit that minimizes the pollutants of concern and, when applicable, is consistent with the assumptions and requirements of the approved TMDL wasteload allocations and implements an inspection frequency consistent with Part II G 2 a. Polychlorinated biphenyl (PCB) impaired waters. Discharges of stormwater from construction activities that include the demolition of any structure with at least 10,000 square feet of floor space built or renovated before January 1, 1980, to surface waters identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit for PCB are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a SWPPP in accordance with Part II B 6 of this permit that minimizes the pollutants of concern and, when applicable, is consistent with the assumptions and requirements of the approved TMDL wasteload allocations, and implements an inspection frequency consistent with Part II G 2 a. Exceptional waters limitation. Discharges of stormwater from construction activities not previously covered under the general permit effective on July 1, 2014, to exceptional waters identified in 9VAC25-260-30 A 3 c are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a SWPPP in accordance with Part II B 7 of this permit and implements an inspection frequency consistent with Part II G 2 a. 6. There shall be no discharge of floating solids or visible foam in other than trace amounts C. Commingled discharges. Discharges authorized by this general permit may be commingled with other sources of stormwater that are not required to be covered under a state permit, so long as the commingled discharge is in compliance with this general permit. Discharges authorized by a separate state or VPDES permit may be commingled with discharges authorized by this general permit so long as all such discharges comply with all applicable state and VPDES permit requirements. D. Prohibition of nonstormwater discharges. Except as provided in Parts I A 2, 1 C, and I E, all discharges covered by this general permit shall be composed entirely of stormwater associated with construction activities. All other discharges including the following are prohibited: 1. Wastewater from washout of concrete; 2. Wastewater from the washout and cleanout of stucco, paint, form release oils, curing compounds, and other construction materials; Page 4 of 26 3. Fuels, oils, or other pollutants used in vehicle and equipment operation and maintenance; 4. Oils, toxic substances, or hazardous substances from spills or other releases; and 5. Soaps, solvents, or detergents used in equipment and vehicle washing. E. Authorized nonstormwater discharges. The following nonstormwater discharges from construction activities are authorized by this general permit when discharged in compliance with this general permit: 1. Discharges from firefighting activities; 2. Fire hydrant flushings; 3. Waters used to wash vehicles or equipment where soaps, solvents, or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge; 4. Water used to control dust that has been filtered, settled, or similarly treated prior to discharge; 5. Potable water sources, including uncontaminated waterline flushings, managed in a manner to avoid an instream impact; 6. Routine external building wash down where soaps, solvents or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge; 7. Pavement wash waters where spills or leaks of toxic or hazardous materials have not occurred (or where all spilled or leaked material has been removed prior to washing); where soaps, solvents, or detergents have not been used; and where the wash water has been filtered, settled, or similarly treated prior to discharge; 8. Uncontaminated air conditioning or compressor condensate; 9. Uncontaminated ground water or spring water; 10. Foundation or footing drains where flows are not contaminated with process materials such as solvents; 11. Uncontaminated excavation dewatering, including dewatering of trenches and excavations that have been filtered, settled, or similarly treated prior to discharge; and 12. Landscape irrigation. F. Termination of general permit coverage. 1. The operator of the construction activity shall submit a notice of termination in accordance with 9VAC25-880-60, unless a registration statement was not required to be submitted in accordance with 9VAC25-880-50 A 1 c or A 2 b for single-family detached residential structures, to the VSMP authority after one or more of the following conditions have been met: Page 5 of 26 a. Necessary permanent control measures included in the SWPPP for the site are in place and functioning effectively and final stabilization has been achieved on all portions of the site for which the operator has operational control. When applicable, long term responsibility and maintenance requirements for permanent control measures shall be recorded in the local land records prior to the submission of a complete and accurate notice of termination and the construction record drawing prepared; b. Another operator has assumed control over all areas of the site that have not been finally stabilized and obtained coverage for the ongoing discharge; c. Coverage under an alternative VPDES or state permit has been obtained; or d. For individual lots in residential construction only, final stabilization as defined in 9VAC25- 880-1 has been completed, including providing written notification to the homeowner and incorporating a copy of the notification and signed certification statement into the SWPPP, and the residence has been transferred to the homeowner. The notice of termination shall be submitted no later than 30 days after one of the above conditions in subdivision 1 of this subsection is met. 3. Termination of authorization to discharge for the conditions set forth in subdivision 1 a of this subsection shall be effective upon notification from the department that the provisions of subdivision 1 a of this subsection have been met or 60 days after submittal of a complete and accurate notice of termination in accordance with 9VAC25-880-60 C, whichever occurs first. 4. Authorization to discharge terminates at midnight on the date that the notice of termination is submitted for the conditions set forth in subdivisions 1 b through 1 d of this subsection unless otherwise notified by the VSMP authority or department. 5. The notice of termination shall be signed in accordance with Part III K of this general permit. G. Water quality protection. 1. The operator shall select, install, implement, and maintain control measures as identified in the SWPPP at the construction site that minimize pollutants in the discharge as necessary to ensure that the operator's discharge does not cause or contribute to an excursion above any applicable water quality standard. If it is determined by the department that the operator's discharges are causing, have reasonable potential to cause, or are contributing to an excursion above any applicable water quality standard, the department, in consultation with the VSMP authority, may take appropriate enforcement action and require the operator to: a. Modify or implement additional control measures in accordance with Part II C to adequately address the identified water quality concerns; b. Submit valid and verifiable data and information that are representative of ambient conditions and indicate that the receiving water is attaining water quality standards; or Page 6 of 26 c. Submit an individual permit application in accordance with 9VAC25-870-410 B 3. All written responses required under this chapter shall include a signed certification consistent with Part III K. STORMWATER POLLUTION PREVENTION PLAN A. Stormwater pollution prevent plan. A stormwater pollution prevention plan (SWPPP) shall be developed prior to the submission of a registration statement and implemented for the construction activity, including any support activity, covered by this general permit. SWPPPs shall be prepared in accordance with good engineering practices. Construction activities that are part of a larger common plan of development or sale and disturb less than one acre may utilize a SWPPP template provided by the department and need not provide a separate stormwater management plan if one has been prepared and implemented for the larger common plan of development or sale. The SWPPP requirements of this general permit may be fulfilled by incorporating by reference other plans such as a spill prevention control and countermeasure (SPCC) plan developed for the site under § 311 of the federal Clean Water Act or best management practices (BMP) programs otherwise required for the facility provided that the incorporated plan meets or exceeds the SWPPP requirements of Part II B. All plans incorporated by reference into the SWPPP become enforceable under this general permit. If a plan incorporated by reference does not contain all of the required elements of the SWPPP, the operator shall develop the missing elements and include them in the SWPPP. 3. Any operator that was authorized to discharge under the general permit effective July 1, 2014, and that intends to continue coverage under this general permit, shall update its stormwater pollution prevention plan to comply with the requirements of this general permit no later than 60 days after the date of coverage under this general permit. B. Contents. The SWPPP shall include the following items: 1. General information. a. A signed copy of the registration statement, if required, for coverage under the general VPDES permit for discharges of stormwater from construction activities; b. Upon receipt, a copy of the notice of coverage under the general VPDES permit for discharges of stormwater from construction activities (i.e., notice of coverage letter); c. Upon receipt, a copy of the general VPDES permit for discharges of stormwater from construction activities; d. A narrative description of the nature of the construction activity, including the function of the project (e.g., low density residential, shopping mall, highway, etc.); e. A legible site plan identifying: Page 7 of 26 (1) Directions of stormwater flow and approximate slopes anticipated after major grading activities; (2) Limits of land disturbance including steep slopes and natural buffers around surface waters that will not be disturbed; (3) Locations of major structural and nonstructural control measures, including sediment basins and traps, perimeter dikes, sediment barriers, and other measures intended to filter, settle, or similarly treat sediment, that will be installed between disturbed areas and the undisturbed vegetated areas in order to increase sediment removal and maximize stormwater infiltration; (4) Locations of surface waters; (5) Locations where concentrated stormwater is discharged; (6) Locations of any support activities, including (i) areas where equipment and vehicle washing, wheel wash water, and other wash water is to occur; (ii) storage areas for chemicals such as acids, fuels, fertilizers, and other lawn care chemicals; (iii) concrete wash out areas; (iv) vehicle fueling and maintenance areas; (v) sanitary waste facilities, including those temporarily placed on the construction site; and (vi) construction waste storage; and (7) When applicable, the location of the on -site rain gauge or the methodology established in consultation with the VSMP authority used to identify measurable storm events for inspection as allowed by Part II G 2 a (1) (ii) or Part II G 2 b (2). Erosion and sediment control plan. a. An erosion and sediment control plan designed and approved in accordance with the Virginia Erosion and Sediment Control Regulations (9VAC25-840), an "agreement in lieu of a plan" as defined in 9VAC25-840-10 from the VESCP authority, or an erosion and sediment control plan prepared in accordance with annual standards and specifications approved by the department. b. All erosion and sediment control plans shall include a statement describing the maintenance responsibilities required for the erosion and sediment controls used. c. An approved erosion and sediment control plan, "agreement in lieu of a plan," or erosion and sediment control plan prepared in accordance with department -approved annual standards and specifications, implemented to: (1) Control the volume and velocity of stormwater runoff within the site to minimize soil erosion; (2) Control stormwater discharges, including peak flow rates and total stormwater volume, to minimize erosion at outlets and to minimize downstream channel and stream bank erosion; Page 8 of 26 (3) Minimize the amount of soil exposed during the construction activity; (4) Minimize the disturbance of steep slopes; (5) Minimize sediment discharges from the site in a manner that addresses (i) the amount, frequency, intensity, and duration of precipitation; (ii) the nature of resulting stormwater runoff; and (iii) soil characteristics, including the range of soil particle sizes present on the site; (6) Provide and maintain natural buffers around surface waters, direct stormwater to vegetated areas to increase sediment removal, and maximize stormwater infiltration, unless infeasible; (7) Minimize soil compaction and, unless infeasible, preserve topsoil; (8) Ensure initiation of stabilization activities, as defined in 9VAC25-880-1, of disturbed areas immediately whenever any clearing, grading, excavating, or other land - disturbing activities have permanently ceased on any portion of the site, or temporarily ceased on any portion of the site and will not resume for a period exceeding 14 days; and (9) Utilize outlet structures that withdraw stormwater from the surface (i.e., above the permanent pool or wet storage water surface elevation), unless infeasible, when discharging from sediment basins or sediment traps. 3. Stormwater management plan. a. Except for those projects identified in Part II B 3 b, a stormwater management plan approved by the VSMP authority as authorized under the Virginia Stormwater Management Program (VSMP) Regulation (9VAC25-870), or an "agreement in lieu of a stormwater management plan" as defined in 9VAC25-870-10 from the VSMP authority, or a stormwater management plan prepared in accordance with annual standards and specifications approved by the department. b. For any operator meeting the conditions of 9VAC25-870-47 B of the VSMP regulation, an approved stormwater management plan is not required. In lieu of an approved stormwater management plan, the SWPPP shall include a description of, and all necessary calculations supporting, all post -construction stormwater management measures that will be installed prior to the completion of the construction process to control pollutants in stormwater discharges after construction operations have been completed. Structural measures should be placed on upland soils to the degree possible. Such measures must be designed and installed in accordance with applicable VESCP authority, VSMP authority, state, and federal requirements, and any necessary permits must be obtained. Pollution prevention plan. A pollution prevention plan that addresses potential pollutant - generating activities that may reasonably be expected to affect the quality of stormwater discharges from the construction activity, including any support activity. The pollution prevention plan shall: a. Identify the potential pollutant -generating activities and the pollutant that is expected to be exposed to stormwater; Page 9 of 26 b. Describe the location where the potential pollutant -generating activities will occur, or if identified on the site plan, reference the site plan; c. Identify all nonstormwater discharges, as authorized in Part I E of this general permit, that are or will be commingled with stormwater discharges from the construction activity, including any applicable support activity; d. Identify the person responsible for implementing the pollution prevention practice or practices for each pollutant -generating activity (if other than the person listed as the qualified personnel); e. Describe the pollution prevention practices and procedures that will be implemented to: (1) Prevent and respond to leaks, spills, and other releases including (i) procedures for expeditiously stopping, containing, and cleaning up spills, leaks, and other releases; and (ii) procedures for reporting leaks, spills, and other releases in accordance with Part III G; (2) Prevent the discharge of spilled and leaked fuels and chemicals from vehicle fueling and maintenance activities (e.g., providing secondary containment such as spill berms, decks, spill containment pallets, providing cover where appropriate, and having spill kits readily available); (3) Prevent the discharge of soaps, solvents, detergents, and wash water from construction materials, including the clean-up of stucco, paint, form release oils, and curing compounds (e.g., providing (i) cover (e.g., plastic sheeting or temporary roofs) to prevent contact with stormwater; (ii) collection and proper disposal in a manner to prevent contact with stormwater; and (iii) a similarly effective means designed to prevent discharge of these pollutants); (4) Minimize the discharge of pollutants from vehicle and equipment washing, wheel wash water, and other types of washing (e.g., locating activities away from surface waters and stormwater inlets or conveyance and directing wash waters to sediment basins or traps, using filtration devices such as filter bags or sand filters, or using similarly effective controls); (5) Direct concrete wash water into a leak -proof container or leak -proof settling basin. The container or basin shall be designed so that no overflows can occur due to inadequate sizing or precipitation. Hardened concrete wastes shall be removed and disposed of in a manner consistent with the handling of other construction wastes. Liquid concrete wastes shall be removed and disposed of in a manner consistent with the handling of other construction wash waters and shall not be discharged to surface waters; (6) Minimize the discharge of pollutants from storage, handling, and disposal of construction products, materials, and wastes including (i) building products such as asphalt sealants, copper flashing, roofing materials, adhesives, and concrete admixtures; (ii) pesticides, herbicides, insecticides, fertilizers, and landscape Page 10 of 26 materials; and (iii) construction and domestic wastes such as packaging materials, scrap construction materials, masonry products, timber, pipe and electrical cuttings, plastics, Styrofoam, concrete, and other trash or building materials; (7) Prevent the discharge of fuels, oils, and other petroleum products, hazardous or toxic wastes, waste concrete, and sanitary wastes; (8) Address any other discharge from the potential pollutant -generating activities not addressed above; (9) Minimize the exposure of waste materials to precipitation by closing or covering waste containers during precipitation events and at the end of the business day, or implementing other similarly effective practices. Minimization of exposure is not required in cases where the exposure to precipitation will not result in a discharge of pollutants; and f. Describe procedures for providing pollution prevention awareness of all applicable wastes, including any wash water, disposal practices, and applicable disposal locations of such wastes, to personnel in order to comply with the conditions of this general permit. The operator shall implement the procedures described in the SWPPP. SWPPP requirements for discharges to nutrient and sediment impaired waters. For discharges to surface waters (i) identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or (ii) with an applicable TMDL wasteload allocation established and approved prior to the term of this general permit for sediment for a sediment - related parameter (i.e., total suspended solids or turbidity) or nutrients (i.e., nitrogen or phosphorus), the operator shall: a. Identify the impaired waters, approved TMDLs, and pollutants of concern in the SWPPP; and b. Provide clear direction in the SWPPP that: (1) Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; (2) Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and (3) A modified inspection schedule shall be implemented in accordance with Part II G 2 a. SWPPP requirements for discharges to polychlorinated biphenyl (PCB) impaired waters. For discharges from construction activities that include the demolition of any structure with at least 10,000 square feet of floor space built or renovated before January 1, 1980, to surface waters (i) identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or (ii) with an applicable TMDL wasteload allocation established and approved prior to the term of this general permit for PCB, the operator shall: Page 11 of 26 a. Identify the impaired waters, approved TMDLs, and pollutant of concern in the SWPPP; b. Implement the approved erosion and sediment control plan in accordance with Part II B 2; c. Dispose of waste materials in compliance with applicable state, federal, and local requirements; and d. Implement a modified inspection schedule in accordance with Part II G 2 a. 7. SWPPP requirements for discharges to exceptional waters. For discharges to surface waters identified in 9VAC25-260-30 A 3 c as an exceptional water, the operator shall: a. Identify the exceptional surface waters in the SWPPP; and b. Provide clear direction in the SWPPP that: (1) Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; (2) Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and (3) A modified inspection schedule shall be implemented in accordance with Part II G 2 a. 8. Identification of qualified personnel. The name, phone number, and qualifications of the qualified personnel conducting inspections required by this general permit. 9. Delegation of authority. The individuals or positions with delegated authority, in accordance with Part III K, to sign inspection reports or modify the SWPPP. 10. SWPPP signature. The SWPPP shall be signed and dated in accordance with Part III K. C. SWPPP amendments, modification, and updates. 1. The operator shall amend the SWPPP whenever there is a change in the design, construction, operation, or maintenance that has a significant effect on the discharge of pollutants to surface waters and that has not been previously addressed in the SWPPP. The SWPPP shall be amended if, during inspections or investigations by the operator's qualified personnel, or by local, state, or federal officials, it is determined that the existing control measures are ineffective in minimizing pollutants in discharges from the construction activity. Revisions to the SWPPP shall include additional or modified control measures designed and implemented to correct problems identified. If approval by the VESCP authority, VSMP authority, or department is necessary for the control measure, revisions to the SWPPP shall be completed no later than seven calendar days following approval. Implementation of these additional or modified control measures shall be accomplished as described in Part II H. Page 12 of 26 3. The SWPPP shall clearly identify the contractors that will implement and maintain each control measure identified in the SWPPP. The SWPPP shall be amended to identify any new contractor that will implement and maintain a control measure. 4. The operator shall update the SWPPP as soon as possible but no later than seven days following any modification to its implementation. All modifications or updates to the SWPPP shall be noted and shall include the following items: a. A record of dates when: (1) Major grading activities occur; (2) Construction activities temporarily or permanently cease on a portion of the site; and (3) Stabilization measures are initiated; b. Documentation of replaced or modified controls where periodic inspections or other information have indicated that the controls have been used inappropriately or incorrectly and were modified; c. Areas that have reached final stabilization and where no further SWPPP or inspection requirements apply; d. All properties that are no longer under the legal control of the operator and the dates on which the operator no longer had legal control over each property; e. The date of any prohibited discharges, the discharge volume released, and what actions were taken to minimize the impact of the release; f. Measures taken to prevent the reoccurrence of any prohibited discharge; and g. Measures taken to address any evidence identified as a result of an inspection required under Part II G. 5. Amendments, modifications, or updates to the SWPPP shall be signed in accordance with Part III K. D. Public notification. Upon commencement of land disturbance, the operator shall post conspicuously a copy of the notice of coverage letter near the main entrance of the construction activity. For linear projects, the operator shall post the notice of coverage letter at a publicly accessible location near an active part of the construction project (e.g., where a pipeline crosses a public road). The operator shall maintain the posted information until termination of general permit coverage as specified in Part I F. E. SWPPP availability. 1. Operators with day-to-day operational control over SWPPP implementation shall have a copy of the SWPPP available at a central location on -site for use by those identified as having responsibilities under the SWPPP whenever they are on the construction site. Page 13 of 26 The operator shall make the SWPPP and all amendments, modifications, and updates available upon request to the department, the VSMP authority, the EPA, the VESCP authority, local government officials, or the operator of a municipal separate storm sewer system receiving discharges from the construction activity. If an on -site location is unavailable to store the SWPPP when no personnel are present, notice of the SWPPP's location shall be posted near the main entrance of the construction site. The operator shall make the SWPPP available for public review in an electronic format or in hard copy. Information for public access to the SWPPP shall be posted and maintained in accordance with Part II D. If not provided electronically, public access to the SWPPP may be arranged upon request at a time and at a publicly accessible location convenient to the operator or his designee but shall be no less than once per month and shall be during normal business hours. Information not required to be contained within the SWPPP by this general permit is not required to be released. F. SWPPP implementation. The operator shall implement the SWPPP and subsequent amendments, modifications, and updates from commencement of land disturbance until termination of general permit coverage as specified in Part I F. All control measures shall be properly maintained in effective operating condition in accordance with good engineering practices and, where applicable, manufacturer specifications. If a site inspection required by Part II G identifies a control measure that is not operating effectively, corrective actions shall be completed as soon as practicable, but no later than seven days after discovery or a longer period as established by the VSMP authority, to maintain the continued effectiveness of the control measures. If site inspections required by Part II G identify an existing control measure that needs to be modified or if an additional or alternative control measure is necessary for any reason, implementation shall be completed prior to the next anticipated measurable storm event. If implementation prior to the next anticipated measurable storm event is impracticable, then additional or alternative control measures shall be implemented as soon as practicable, but no later than seven days after discovery or a longer period as established by the VSMP authority. G. SWPPP Inspections. 1. Personnel responsible for on -site and off -site inspections. Inspections required by this general permit shall be conducted by the qualified personnel identified by the operator in the SWPPP. The operator is responsible for ensuring that the qualified personnel conduct the inspection. 2. Inspection schedule. a. For construction activities that discharge to a surface water identified in Part 11 B 5 and B 6 as impaired or having an approved TMDL or Part I B 7 as exceptional, the following inspection schedule requirements apply: (1) Inspections shall be conducted at a frequency of (i) at least once every four business days or (ii) at least once every five business days and no later than 24 hours following a measurable storm event. In the event that a measurable storm event occurs when Page 14 of 26 there are more than 24 hours between business days, the inspection shall be conducted on the next business day; and (2) Representative inspections as authorized in Part II G 2 d shall not be allowed. b. Except as specified in Part II G 2 a, inspections shall be conducted at a frequency of: (1) At least once every five business days; or (2) At least once every 10 business days and no later than 24 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 24 hours between business days, the inspection shall be conducted on the next business day. c. Where areas have been temporarily stabilized or land -disturbing activities will be suspended due to continuous frozen ground conditions and stormwater discharges are unlikely, the inspection frequency described in Part II G 2 a and 2 b may be reduced to once per month. If weather conditions (such as above freezing temperatures or rain or snow events) make discharges likely, the operator shall immediately resume the regular inspection frequency. d. Except as prohibited in Part II G 2 a (2), representative inspections may be utilized for utility line installation, pipeline construction, or other similar linear construction activities provided that: (1) Temporary or permanent soil stabilization has been installed and vehicle access may compromise the temporary or permanent soil stabilization and potentially cause additional land disturbance increasing the potential for erosion; (2) Inspections occur on the same frequency as other construction activities; (3) Control measures are inspected along the construction site 0.25 miles above and below each access point (i.e., where a roadway, undisturbed right-of-way, or other similar feature intersects the construction activity and access does not compromise temporary or permanent soil stabilization); and (4) Inspection locations are provided in the inspection report required by Part II G. e. If adverse weather causes the safety of the inspection personnel to be in jeopardy, the inspection may be delayed until the next business day on which it is safe to perform the inspection. Any time inspections are delayed due to adverse weather conditions, evidence of the adverse weather conditions shall be included in the SWPPP with the dates of occurrence. 3. Inspection requirements. a. As part of the inspection, the qualified personnel shall: (1) Record the date and time of the inspection and, when applicable, the date and rainfall amount of the last measurable storm event; Page 15 of 26 (2) Record the information and a description of any discharges occurring at the time of the inspection or evidence of discharges occurring prior to the inspection; (3) Record any land -disturbing activities that have occurred outside of the approved erosion and sediment control plan; (4) Inspect the following for installation in accordance with the approved erosion and sediment control plan, identification of any maintenance needs, and evaluation of effectiveness in minimizing sediment discharge, including whether the control has been inappropriately or incorrectly used: (a) All perimeter erosion and sediment controls, such as silt fence; (b) Soil stockpiles, when applicable, and borrow areas for stabilization or sediment trapping measures; (c) Completed earthen structures, such as dams, dikes, ditches, and diversions for stabilization and effective impoundment or flow control; (d) Cut and fill slopes; (e) Sediment basins and traps, sediment barriers, and other measures installed to control sediment discharge from stormwater; (f) Temporary or permanent channels, flumes, or other slope drain structures installed to convey concentrated runoff down cut and fill slopes; (g) Storm inlets that have been made operational to ensure that sediment laden stormwater does not enter without first being filtered or similarly treated; and (h) Construction vehicle access routes that intersect or access paved or public roads for minimizing sediment tracking; (5) Inspect areas that have reached final grade or that will remain dormant for more than 14 days to ensure: (a) Initiation of stabilization activities have occurred immediately, as defined in 9VAC25-880-1; and (b) Stabilization activities have been completed within seven days of reaching grade or stopping work; (6) Inspect for evidence that the approved erosion and sediment control plan, "agreement in lieu of a plan," or erosion and sediment control plan prepared in accordance with department -approved annual standards and specifications has not been properly implemented. This includes: Page 16 of 26 (a) Concentrated flows of stormwater in conveyances such as rills, rivulets, or channels that have not been filtered, settled, or similarly treated prior to discharge, or evidence thereof; (b) Sediment laden or turbid flows of stormwater that have not been filtered or settled to remove sediments prior to discharge; (c) Sediment deposition in areas that drain to unprotected stormwater inlets or catch basins that discharge to surface waters. Inlets and catch basins with failing sediment controls due to improper installation, lack of maintenance, or inadequate design are considered unprotected; (d) Sediment deposition on any property (including public and private streets) outside of the construction activity covered by this general permit; (e) Required stabilization has not been initiated or completed or is not effective on portions of the site; (f) Sediment basins without adequate wet or dry storage volume or sediment basins that allow the discharge of stormwater from below the surface of the wet storage portion of the basin; (g) Sediment traps without adequate wet or dry storage or sediment traps that allow the discharge of stormwater from below the surface of the wet storage portion of the trap; and (h) Land disturbance or sediment deposition outside of the approved area to be disturbed; (7) Inspect pollutant generating activities identified in the pollution prevention plan for the proper implementation, maintenance, and effectiveness of the procedures and practices; (8) Identify any pollutant generating activities not identified in the pollution prevention plan; and (9) Identify and document the presence of any evidence of the discharge of pollutants prohibited by this general permit. 4. Inspection report. Each inspection report shall include the following items: a. The date and time of the inspection and, when applicable, the date and rainfall amount of the last measurable storm event; b. Summarized findings of the inspection; c. The locations of prohibited discharges; d. The locations of control measures that require maintenance; Page 17 of 26 e. The locations of control measures that failed to operate as designed or proved inadequate or inappropriate for a particular location; f. The locations where any evidence identified under Part II G 3 a (6) exists; g. The locations where any additional control measure is needed; h. A list of corrective actions required (including any changes to the SWPPP that are necessary) as a result of the inspection or to maintain permit compliance; i. Documentation of any corrective actions required from a previous inspection that have not been implemented; and The date and signature of the qualified personnel and the operator or its duly authorized representative. 5. The inspection report shall be included into the SWPPP no later than four business days after the inspection is complete. The inspection report and any actions taken in accordance with Part II shall be retained by the operator as part of the SWPPP for at least three years from the date that general permit coverage expires or is terminated. The inspection report shall identify any incidents of noncompliance. Where an inspection report does not identify any incidents of noncompliance, the report shall contain a certification that the construction activity is in compliance with the SWPPP and this general permit. The report shall be signed in accordance with Part III K of this general permit. H. Corrective actions. The operator shall implement the corrective actions identified as a result of an inspection as soon as practicable but no later than seven days after discovery or a longer period as approved by the VSMP authority. If approval of a corrective action by a regulatory authority (e.g., VSMP authority, VESCP authority, or the department) is necessary, additional control measures shall be implemented to minimize pollutants in stormwater discharges until such approvals can be obtained. The operator may be required to remove accumulated sediment deposits located outside of the construction activity covered by this general permit as soon as practicable in order to minimize environmental impacts. The operator shall notify the VSMP authority and the department as well as obtain all applicable federal, state, and local authorizations, approvals, and permits prior to the removal of sediments accumulated in surface waters including wetlands. Page 18 of 26 PART III CONDITIONS APPLICABLE TO ALL VPDES PERMITS NOTE: Discharge monitoring is not required for this general permit. If the operator chooses to monitor stormwater discharges or control measures, the operator shall comply with the requirements of subsections A, B, and C, as appropriate. A. Monitoring. 1. Samples and measurements taken for the purpose of monitoring shall be representative of the monitoring activity. Monitoring shall be conducted according to procedures approved under 40 CFR Part 136 or alternative methods approved by the U.S. Environmental Protection Agency, unless other procedures have been specified in this general permit. Analyses performed according to test procedures approved under 40 CFR Part 136 shall be performed by an environmental laboratory certified under regulations adopted by the Department of General Services (1 VAC30-45 or 1 VAC30-46). 3. The operator shall periodically calibrate and perform maintenance procedures on all monitoring and analytical instrumentation at intervals that will ensure accuracy of measurements. B. Records. 1. Monitoring records and reports shall include a. The date, exact place, and time of sampling or measurements; b. The individuals who performed the sampling or measurements; c. The dates and times analyses were performed; d. The individuals who performed the analyses; e. The analytical techniques or methods used; and f. The results of such analyses. 2. The operator shall retain records of all monitoring information, including all calibration and maintenance records and all original strip chart recordings for continuous monitoring instrumentation, copies of all reports required by this general permit, and records of all data used to complete the registration statement for this general permit, for a period of at least three years from the date of the sample, measurement, report or request for coverage. This period of retention shall be extended automatically during the course of any unresolved litigation regarding the regulated activity or regarding control standards applicable to the operator, or as requested by the board. C. Reporting monitoring results. Page 19 of 26 1. The operator shall update the SWPPP to include the results of the monitoring as may be performed in accordance with this general permit, unless another reporting schedule is specified elsewhere in this general permit. 2. Monitoring results shall be reported on a discharge monitoring report (DMR); on forms provided, approved or specified by the department; or in any format provided that the date, location, parameter, method, and result of the monitoring activity are included. If the operator monitors any pollutant specifically addressed by this general permit more frequently than required by this general permit using test procedures approved under 40 CFR Part 136 or using other test procedures approved by the U.S. Environmental Protection Agency or using procedures specified in this general permit, the results of this monitoring shall be included in the calculation and reporting of the data submitted in the DMR or reporting form specified by the department. 4. Calculations for all limitations which require averaging of measurements shall utilize an arithmetic mean unless otherwise specified in this general permit. D. Duty to provide information. The operator shall furnish, within a reasonable time, any information which the board may request to determine whether cause exists for terminating this general permit coverage or to determine compliance with this general permit. The board, department, EPA, or VSMP authority may require the operator to furnish, upon request, such plans, specifications, and other pertinent information as may be necessary to determine the effect of the wastes from his discharge on the quality of surface waters, or such other information as may be necessary to accomplish the purposes of the CWA and the Virginia Stormwater Management Act. The operator shall also furnish to the board, department, EPA, or VSMP authority, upon request, copies of records required to be kept by this general permit. E. Compliance schedule reports. Reports of compliance or noncompliance with, or any progress reports on, interim and final requirements contained in any compliance schedule of this general permit shall be submitted no later than 14 days following each schedule date. F. Unauthorized stormwater discharges. Pursuant to § 62.1-44.5 of the Code of Virginia, except in compliance with a state permit issued by the department, it shall be unlawful to cause a stormwater discharge from a construction activity. G. Reports of unauthorized discharges. Any operator who discharges or causes or allows a discharge of sewage, industrial waste, other wastes or any noxious or deleterious substance or a hazardous substance or oil in an amount equal to or in excess of a reportable quantity established under either 40 CFR Part 110, 40 CFR Part 117, 40 CFR Part 302, or § 62.1-44.34:19 of the Code of Virginia that occurs during a 24-hour period into or upon surface waters or who discharges or causes or allows a discharge that may reasonably be expected to enter surface waters, shall notify the Department of Environmental Quality of the discharge immediately upon discovery of the discharge, but in no case later than within 24 hours after said discovery. A written report of the unauthorized discharge shall be submitted to the department and the VSMP authority within five days of discovery of the discharge. The written report shall contain: 1. A description of the nature and location of the discharge; 2. The cause of the discharge; Page 20 of 26 3. The date on which the discharge occurred; 4. The length of time that the discharge continued; 5. The volume of the discharge; 6. If the discharge is continuing, how long it is expected to continue; 7. If the discharge is continuing, what the expected total volume of the discharge will be; and Any steps planned or taken to reduce, eliminate and prevent a recurrence of the present discharge or any future discharges not authorized by this general permit. Discharges reportable to the department and the VSMP authority under the immediate reporting requirements of other regulations are exempted from this requirement. H. Reports of unusual or extraordinary discharges. If any unusual or extraordinary discharge including a "bypass" or "upset," as defined in this general permit, should occur from a facility and the discharge enters or could be expected to enter surface waters, the operator shall promptly notify, in no case later than within 24 hours, the department and the VSMP authority by telephone after the discovery of the discharge. This notification shall provide all available details of the incident, including any adverse effects on aquatic life and the known number of fish killed. The operator shall reduce the report to writing and shall submit it to the department and the VSMP authority within five days of discovery of the discharge in accordance with Part III 12. Unusual and extraordinary discharges include any discharge resulting from: 1. Unusual spillage of materials resulting directly or indirectly from processing operations; 2. Breakdown of processing or accessory equipment; 3. Failure or taking out of service of some or all of the facilities; and 4. Flooding or other acts of nature. I. Reports of noncompliance. The operator shall report any noncompliance which may adversely affect surface waters or may endanger public health. An oral report to the department and the VSMP authority shall be provided within 24 hours from the time the operator becomes aware of the circumstances. The following shall be included as information that shall be reported within 24 hours under this subdivision: a. Any unanticipated bypass; and b. Any upset that causes a discharge to surface waters. 2. A written report shall be submitted within five days and shall contain: a. A description of the noncompliance and its cause; Page 21 of 26 b. The period of noncompliance, including exact dates and times, and if the noncompliance has not been corrected, the anticipated time it is expected to continue; and c. Steps taken or planned to reduce, eliminate, and prevent reoccurrence of the noncompliance. The department may waive the written report on a case -by -case basis for reports of noncompliance under Part III I if the oral report has been received within 24 hours and no adverse impact on surface waters has been reported. 3. The operator shall report all instances of noncompliance not reported under Part 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. 4. Where the operator becomes aware of a failure to submit any relevant facts, or submittal of incorrect information in any report, including a registration statement, to the department or the VSMP authority, the operator shall promptly submit such facts or correct information. J. Notice of planned changes. 1. The operator shall give notice to the department and the VSMP authority as soon as possible of any planned physical alterations or additions to the permitted facility or activity. Notice is required only when: a. The operator plans an alteration or addition to any building, structure, facility, or installation that may meet one of the criteria for determining whether a facility is a new source in 9VAC25-870-420; b. The operator plans an alteration or addition that would significantly change the nature or increase the quantity of pollutants discharged. This notification applies to pollutants that are not subject to effluent limitations in this general permit; or 2. The operator shall give advance notice to the department and VSMP authority of any planned changes in the permitted facility or activity, which may result in noncompliance with state permit requirements. K. Signatory requirements. 1. Registration statement. All registration statements shall be signed as follows: a. For a corporation: by a responsible corporate officer. For the purpose of this chapter, a responsible corporate officer means: (i) a president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy -making or decision -making functions for the corporation; or (ii) the manager of one or more manufacturing, production, or operating facilities, provided the Page 22 of 26 manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for state permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures; b. For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or c. For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official. For purposes of this chapter, a principal executive officer of a public agency includes (i) the chief executive officer of the agency or (ii) a senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. 2. Reports and other information. All reports required by this general permit, including SWPPPs, and other information requested by the board or the department shall be signed by a person described in Part III K 1 or by a duly authorized representative of that person. A person is a duly authorized representative only if: a. The authorization is made in writing by a person described in Part III K 1; b. The authorization specifies either an individual or a position having responsibility for the overall operation of the regulated facility or activity such as the position of plant manager, operator of a well or a well field, superintendent, position of equivalent responsibility, or an individual or position having overall responsibility for environmental matters for the operator. (A duly authorized representative may thus be either a named individual or any individual occupying a named position); and c. The signed and dated written authorization is included in the SWPPP. A copy shall be provided to the department and VSMP authority, if requested. 3. Changes to authorization. If an authorization under Part III K 2 is no longer accurate because a different individual or position has responsibility for the overall operation of the construction activity, a new authorization satisfying the requirements of Part III K 2 shall be submitted to the VSMP authority as the administering entity for the board prior to or together with any reports or information to be signed by an authorized representative. 4. Certification. Any person signing a document under Part III K 1 or 2 shall make the following certification: "I certify under penalty of law that I have read and understand this document and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant Page 23 of 26 penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." L. Duty to comply. The operator shall comply with all conditions of this general permit. Any state permit noncompliance constitutes a violation of the Virginia Stormwater Management Act and the Clean Water Act, except that noncompliance with certain provisions of this general permit may constitute a violation of the Virginia Stormwater Management Act but not the Clean Water Act. Permit noncompliance is grounds for enforcement action; for state permit coverage, termination, revocation and reissuance, or modification; or denial of a state permit renewal application. The operator shall comply with effluent standards or prohibitions established under § 307(a) of the Clean Water Act for toxic pollutants within the time provided in the regulations that establish these standards or prohibitions or standards for sewage sludge use or disposal, even if this general permit has not yet been modified to incorporate the requirement. M. Duty to reapply. If the operator wishes to continue an activity regulated by this general permit after the expiration date of this general permit, the operator shall submit a new registration statement at least 60 days before the expiration date of the existing general permit, unless permission for a later date has been granted by the board. The board shall not grant permission for registration statements to be submitted later than the expiration date of the existing general permit. N. Effect of a state permit. This general permit does not convey any property rights in either real or personal property or any exclusive privileges, nor does it authorize any injury to private property or invasion of personal rights, or any infringement of federal, state or local law or regulations. O. State law. Nothing in this general permit shall be construed to preclude the institution of any legal action under, or relieve the operator from any responsibilities, liabilities, or penalties established pursuant to any other state law or regulation or under authority preserved by § 510 of the Clean Water Act. Except as provided in general permit conditions on "bypassing" (Part III U) and "upset' (Part III V), nothing in this general permit shall be construed to relieve the operator from civil and criminal penalties for noncompliance. P. Oil and hazardous substance liability. Nothing in this general permit shall be construed to preclude the institution of any legal action or relieve the operator from any responsibilities, liabilities, or penalties to which the operator is or may be subject under §§ 62.1-44.34:14 through 62.1-44.34:23 of the State Water Control Law or § 311 of the Clean Water Act. Q. Proper operation and maintenance. The operator shall at all times properly operate and maintain all facilities and systems of treatment and control (and related appurtenances), which are installed or used by the operator to achieve compliance with the conditions of this general permit. Proper operation and maintenance also includes effective plant performance, adequate funding, adequate staffing, and adequate laboratory and process controls, including appropriate quality assurance procedures. This provision requires the operation of back-up or auxiliary facilities or similar systems, which are installed by the operator only when the operation is necessary to achieve compliance with the conditions of this general permit. R. Disposal of solids or sludges. Solids, sludges or other pollutants removed in the course of treatment or management of pollutants shall be disposed of in a manner so as to prevent any pollutant from such materials from entering surface waters and in compliance with all applicable state and federal laws and regulations. Page 24 of 26 S. Duty to mitigate. The operator shall take all steps to minimize or prevent any discharge in violation of this general permit that has a reasonable likelihood of adversely affecting human health or the environment. T. Need to halt or reduce activity not a defense. It shall not be a defense for an operator in an enforcement action that it would have been necessary to halt or reduce the permitted activity in order to maintain compliance with the conditions of this general permit. U. Bypass. 1. 'Bypass," as defined in 9VAC25-870-10, means the intentional diversion of waste streams from any portion of a treatment facility. The operator may allow any bypass to occur that does not cause effluent limitations to be exceeded, but only if it also is for essential maintenance to ensure efficient operation. These bypasses are not subject to the provisions of Part III U 2 and 3. 2. Notice. a. Anticipated bypass. If the operator knows in advance of the need for a bypass, the operator shall submit prior notice to the department, if possible at least 10 days before the date of the bypass. b. Unanticipated bypass. The operator shall submit notice of an unanticipated bypass as required in Part III I. 3. Prohibition of bypass. a. Except as provided in Part III U 1, bypass is prohibited, and the board or department may take enforcement action against an operator for bypass unless: (1) Bypass was unavoidable to prevent loss of life, personal injury, or severe property damage. Severe property damage means substantial physical damage to property, damage to the treatment facilities that causes them to become inoperable, or substantial and permanent loss of natural resources that can reasonably be expected to occur in the absence of a bypass. Severe property damage does not mean economic loss caused by delays in production; (2) There were no feasible alternatives to the bypass, such as the use of auxiliary treatment facilities, retention of untreated wastes, or maintenance during normal periods of equipment downtime. This condition is not satisfied if adequate back-up equipment should have been installed in the exercise of reasonable engineering judgment to prevent a bypass that occurred during normal periods of equipment downtime or preventive maintenance; and (3) The operator submitted notices as required under Part III U 2. b. The department may approve an anticipated bypass, after considering its adverse effects, if the department determines that it will meet the three conditions listed in Part III U 3 a. Page 25 of 26 V. Upset. 1. An "upset," as defined in 9VAC25-870-10, means an exceptional incident in which there is unintentional and temporary noncompliance with technology -based state permit effluent limitations because of factors beyond the reasonable control of the operator. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive maintenance, or careless or improper operation. 2. An upset constitutes an affirmative defense to an action brought for noncompliance with technology -based state permit effluent limitations if the requirements of Part III V 4 are met. A determination made during administrative review of claims that noncompliance was caused by upset, and before an action for noncompliance, is not a final administrative action subject to judicial review. 3. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventative maintenance, or careless or improper operation. 4. An operator who wishes to establish the affirmative defense of upset shall demonstrate, through properly signed, contemporaneous operating logs or other relevant evidence that: a. An upset occurred and that the operator can identify the cause of the upset; b. The permitted facility was at the time being properly operated; c. The operator submitted notice of the upset as required in Part III I; and d. The operator complied with any remedial measures required under Part III S. 5. In any enforcement proceeding, the operator seeking to establish the occurrence of an upset has the burden of proof. W. Inspection and entry. The operator shall allow the department as the board's designee, the VSMP authority, EPA, or an authorized representative of either entity (including an authorized contractor), upon presentation of credentials and other documents as may be required by law to: 1. Enter upon the operator's premises where a regulated facility or activity is located or conducted, or where records shall be kept under the conditions of this general permit; 2. Have access to and copy, at reasonable times, any records that shall be kept under the conditions of this general permit; 3. Inspect and photograph at reasonable times any facilities, equipment (including monitoring and control equipment), practices, or operations regulated or required under this general permit; and 4. Sample or monitor at reasonable times, for the purposes of ensuring state permit compliance or as otherwise authorized by the Clean Water Act or the Virginia Stormwater Management Act, any substances or parameters at any location. Page 26 of 26 For purposes of this section, the time for inspection shall be deemed reasonable during regular business hours, and whenever the facility is discharging. Nothing contained herein shall make an inspection unreasonable during an emergency. X. State permit actions. State permit coverage may be modified, revoked and reissued, or terminated for cause. The filing of a request by the operator for a state permit modification, revocation and reissuance, or termination, or a notification of planned changes or anticipated noncompliance does not stay any state permit condition. Y. Transfer of state permit coverage. 1. State permits are not transferable to any person except after notice to the department. Except as provided in Part III Y 2, a state permit may be transferred by the operator to a new operator only if the state permit has been modified or revoked and reissued, or a minor modification made, to identify the new operator and incorporate such other requirements as may be necessary under the Virginia Stormwater Management Act and the Clean Water Act. As an alternative to transfers under Part III Y 1, this state permit may be automatically transferred to a new operator if: a. The current operator notifies the department at least 30 days in advance of the proposed transfer of the title to the facility or property; b. The notice includes a written agreement between the existing and new operators containing a specific date for transfer of state permit responsibility, coverage, and liability between them; and c. The department does not notify the existing operator and the proposed new operator of its intent to modify or revoke and reissue the state permit. If this notice is not received, the transfer is effective on the date specified in the agreement mentioned in Part III Y 2 b. 3. For ongoing construction activity involving a change of operator, the new operator shall accept and maintain the existing SWPPP, or prepare and implement a new SWPPP prior to taking over operations at the site. Z. Severability. The provisions of this general permit are severable, and if any provision of this general permit or the application of any provision of this state permit to any circumstance, is held invalid, the application of such provision to other circumstances and the remainder of this general permit shall not be affected thereby. Section 12. Inspection logs Template for inspections. Requirements are listed in 9VAC25-880-70, Part II, section B and F. Stormwater Construction Site Inspection Report General Information Project Name NPDES Tracking No. Location Date of Inspection Start/End Time Inspector's Name(s) Inspector's Title(s) Inspector's Contact Information Inspector's Qualifications Describe present phase of construction Type of Inspection: ❑ Regular ❑ Pre -storm event ❑ During storm event ❑ Post -storm event Weather Information Has there been a storm event since the last inspection? ❑Yes ❑No If yes, provide: Storm Start Date & Time: Storm Duration (hrs): Approximate Amount of Precipitation (in): Weather at time of this inspection? ❑ Clear ❑Cloudy ❑ Rain ❑ Sleet ❑ Fog ❑ Snowing ❑ High Winds ❑ Other: Temperature: Have any discharges occurred since the last inspection? ❑Yes ❑No If yes, describe: Are there any discharges at the time of inspection? ❑Yes ❑No If yes, describe: Site -specific BMPs • Number the structural and non-structural BMPs identified in your SWPPP on your site map and list them below (add as many BMPs as necessary). Carry a copy of the numbered site map with you duringyour inspections. This list will ensure that you are inspecting all required BMPs at your site. • Describe corrective actions initiated date completed and note the person that completed the work in the Corrective Action Log. BMP BMP Installed? BMP Maintenance Required? Corrective Action Needed and Notes Date Correctiv a Action Taken 1 ❑Yes ❑No ❑Yes ❑No 2 ❑Yes ❑No ❑Yes ❑No 3 ❑Yes ❑No ❑Yes ❑No 4 ❑Yes ❑No ❑Yes ❑No 5 ❑Yes ❑No ❑Yes ❑No 6 ❑Yes ❑No ❑Yes ❑No 7 ❑Yes ❑No ❑Yes ❑No 8 ❑Yes ❑No ❑Yes ❑No 9 ❑Yes ❑No ❑Yes ❑No 10 ❑Yes ❑No ❑Yes ❑No Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County BMP BMP Installed? BMP Maintenance Required? Corrective Action Needed and Notes Date Correctiv a Action Taken 11 ❑Yes ❑No ❑Yes ❑No 12 ❑Yes ❑No ❑Yes ❑No 13 ❑Yes ❑No ❑Yes ❑No 14 ❑Yes ❑No ❑Yes ❑No 15 ❑Yes ❑No ❑Yes ❑No 16 ❑Yes ❑No ❑Yes ❑No 17 ❑Yes ❑No ❑Yes ❑No 18 ❑Yes ❑No ❑Yes ❑No 19 ❑Yes ❑No ❑Yes ❑No 20 ❑Yes ❑No ❑Yes ❑No Overall Site Issues Below are some general site issues that should be assessed during inspections. Customize this list as needed for conditions at your site. BMP/activity Implemented? Maintenance Corrective Action Needed and Notes Required? I Are all slopes and ❑Yes ❑No ❑Yes ❑No disturbed areas not actively being worked properly stabilized? 2 Are natural resource ❑Yes ❑No ❑Yes ❑No areas (e.g., streams, wetlands, mature trees, etc.) protected with barriers or similar 13MPs? 3 Are perimeter controls ❑Yes ❑No ❑Yes ❑No and sediment barriers adequately installed (keyed into substrate) and maintained? 4 Are discharge points and ❑Yes ❑No ❑Yes ❑No receiving waters free of any sediment deposits? 5 Are storm drain inlets ❑Yes ❑No ❑Yes ❑No properly protected? 6 Is the construction exit ❑Yes ❑No ❑Yes ❑No preventing sediment from being tracked into the street? 7 Is trash/litter from work ❑Yes ❑No ❑Yes ❑No areas collected and placed in covered dumpsters? 8 Are washout facilities ❑Yes ❑No ❑Yes ❑No (e.g., paint, stucco, concrete) available, clearly marked, and maintained? Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County BMP/activity Implemented? Maintenance Corrective Action Needed and Notes Required? 9 Are vehicle and ❑Yes ❑No ❑Yes ❑No equipment fueling, cleaning, and maintenance areas free of spills, leaks, or any other deleterious material? 10 Are materials that are ❑Yes ❑No ❑Yes ❑No potential storrnwater contaminants stored inside or under cover? 11 Are non-stormwater ❑Yes ❑No ❑Yes ❑No discharges (e.g., wash water, dewatering) properly controlled? 12 (Other) ❑Yes ❑No ❑Yes ❑No Describe any incidents of non-compliance not described above: CERTIFICATION STATEMENT "I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly 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." Print name and title: Signature: Date: Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 13. Approved Plans Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 14. Additional Information and Logs Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Special Conditions Related to TMDL: Fact Sheets for Impaired (Category 4 or 5) Waters in 2020 James River Basin Cause Group Code: H28R-03-BAC Meadow Creek Cause Location: Meadow Creek from where it becomes a perennial stream downstream to its confluence with the Rivanna River. (Start Mile: 4.98 End Mile: 0.00 Total Impaired Size: 4.98 Miles) City I County: Albemarle Co. Chadokesville City Use(s) : Recreation Causes) / VA Category: Escherichia colt E. coli) / 4A Fecal Coliform / 4A This segment is impaired due to exceedances of the e-coli bacteria W QS at station: 2-MW COGO-60 (10 exceedances of 23 samples for e-colt). Initial Listing Date: 2002. This segment is included in the EPA approved Meadow Creek bacteria TMDL. Federal TMDL ID # 35779. Cycle TMDL Cause First Dev. Water Assessment Unit / Water Name / Location Desc. Category Cause Name Listed Priority Size VAV-H28R MWCOIAOO / Meadow Creek / Meadow Creek from 4A Escherchia coli (E. coli) 2008 L 4.98 where it becomes a perennial stream downstream to its confluence with the Rivanm River. Meadow Creek Estuary Reservoir Ricer Recreation (Sq. Miles) (Acres) (Miles) Escherchia colt E. coli) - Total Impaired Size by Water Type: 4.98 Cycle TMDL Cause First Dev. Water Assessment Unit / Water Name I Location Desc. Category Cause Name Listed Priority Size VAV-H28R MWC01AO0 / Meadow Creek / Meadow Creek from 4A Fecal Coliram 2002 L 4.98 where it becomes a perennial stream dawnstream to its confluence with the Rivanm River. Meadow Creek Estuary Reservoir River Recreation (Sq. Miles) (Acres) (Miles) Fecal Coliform - Total Impaired Size by Water Type: 4.98 Sources: Agriculture Municipal (Urbanized High Sanitary Sewer Overflows Sewage Discharges in Density Area) (Collection System Failures) Unsewered Areas Unrestricted Cattle Access Wildlife Other than Waterfowl Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Fact Sheets for Impaired (Category 4 or 5) Waters in 2020 Janes River Basin Cause Group Code; H26R-04-BEN South Fork Rivanna River Cause Location: South Fork Rivanna River from the RASA SF Rivanna River Public Water Intake downstream to its confluence with the Rr<mna River. (Start Mile: 3.47 End Mile: 0.00 Total Impaired Size: 3.47 Miles) City / County: Albemarle Co. Use(s): Aquatic Life Causes) / VA Category: Benthic Macroinvertebrates Bioassessments / 5A This segment is impaired due to exceedances of the General Standard for Benthics at stations: 2-RRS001.81 (Impaired for VSCI) and 2-RRS-RVN3I-RCA (Impaired for VSCI). Initial Listing Date: 2010. Cycle TMDL Cause First Dev. Water Assessment Unit / Water Name / Location Desc. Category Cause Name Listed Priority Size VAV-H26R RRS01A00 / Rivanna River South Fork / South Fork 5A Benthic Macroinvertebrates 2010 H 347 Rivanna River from the RWSA SF Rivanna River Pudic Water Intake Bsassessments downstream to its confluence with the Rivanna River. South Fork Rivanna River Estuary Reservoir River Aquatic Life (Sq. Mies) (Acres) (Miss) Benthic Macroinvertebrates Bioassessments - Total Impaired Size by Water Type: 3.47 Sources: Dam or Impoundment Municipal (Urbanized High Non -Point Source Density Area) Fact Sheets for Impaired (Category 4 or 5) Waters in 2020 James River Basin Cause Group Code: H28R-05-BEN Meadow Creek Cause Location: Meadow Creek from where it becanes a perennial stream downstream to its confluence with Moores Creek. (Start Mile: 4.98 End Mile: 0.00 Total Impaired Size: 4.98 Miles) City / County: Albemarle Co. Chadodesville City Use(s): Aquatic Life Cause(s) / VA Category: Benthic Macroinvedebrates Bioassessments / 4A This segment is impaired due to exceedances of the General Standard for Benthics at station: 2-MW C000.60 (Impaired for VSCI); 2-MWC-MWC03-RCA (impaired for VSCI) 2-MWC-MWC07-RCA(impaired for VSCI); 2-MWC-MWO05-RCA (impaired for VSCI); 24MC-MWO06-RCA(Impaired for VSCI); 2-MWC-MWC08-RCA(Impaired for VSCI); 2-MA -MWC09-RCA (Impaired for VSCI); 2-MC-MWC10-RCA Impaired for VSCI). Initial Listing Date: 2006. Assessment Unit / Water Name I Location Desc. VAV-H28R MWC01A00 / Mleadow Creek / Meadow Creekkom where 4 becomes a perennial stream downstream to its confluence with the Rivanna River_ Cycle TMDL Cause First Dev_ Water Category Cause Name Listed Priority Size 4A Benthic Macroinvertebrates 2006 L 4N Bioasaeasmen[s Meadow Creek Estuary Reservoir River Aquatic Life (Sq. Mika) (Acres) (Mika) Benthic Macroinvertebmtes Bioassessments - Total Impaired Size by Water Type: 4.98 Sources: Impervious SudacelParking Loss of Riparian Habitat Municipal (Urbanzed High Post -development Erosion Lot Runoff Density Area) and Sedimentation Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Grading and Stabilization Activities Log Project Name: Dunlora Village SWPPP Contact: Date Grading Activity Initiated Location of Grading Date Grading Activity Ceased (Indicate Temporary or Permanent) Date When Stabilization Measures are Initiated Description of Stabilization Measure and Location Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County SWPPP Amendment Log Project Name: Dunlora Village SWPPP Contact: Amendment No. Description of the Amendment Date of Amendment Amendment Prepared by [Name(s) and Title] Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Pollution Prevention Plan Training Log Date Parties in Attendance Pollution Prevention Items Discussed Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Procedure for Spills of Non -Reportable Quantities Most spills can be cleaned up following manufacturer specifications. Absorbentloil dry, sealable containers, plastic bag and shovels/brooms are suggested minimum spill response items that should be available at this location. 1) Check for hazards (flammable material, noxious fumes, cause of spill)- if flammable liquid, turn off engines and nearby electrical equipment. If serious hazards are present, leave the area and call 911. 2) Make sure the spill area is safe to enter and that it does not pose an immediate threat to health or safety of any person. 3) Stop the spill source. 4) Call co-workers and supervisor for assistance and to make them aware of the spill and potential dangers. 5) If possible, stop spill from entering drains (use absorbent or other material as necessary) 6) Stop spill from spreading (use absorbent or other material) 7) If spill material has entered a storm sewer; contact locality's storm sewer water department and locality's VSMP inspector. 8) Clean up spilled material and do not flush area with water. 9) Properly dispose of cleaning materials and used absorbent material according to manufacturer specifications. Spill Report Form Project Type and Location: Date/Time of Spill: Time Incident Contained: Spill Location and Events leading to Spill: Material Spilled: Source of Spill: Amount Spilled: Amount Spilled to Waterway: Surface Area of Impacted Media in Sq. ft.: Type of Media (Soil or Pavement): Corrective Action Taken: Action Taken to Prevent Future Spills: Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Agencies Notified: Modifications of Storm Water Pollution Prevention Plan: N 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." Print Name/Title of Reporter: Signature: Date: Company: Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County VSMP TREE REMOVAL ONLY SITE DATA OWNER: E L & ANN P PHILLIPS PHILIPS LIVING TRUST ETAL C/O CAROLINE MOLINA-RAY 6704 MENCHACA ROAD UNIT 33 AUSTIN, TX 78745 DEVELOPER: TOWNE DISTRICT LLC. 142 SOUTH PANTOPS DRIVE CHARLOTTESVILLE, VA 22911 PLAN PREPARER: ROUDABUSH, GALE, & ASSOCIATES 999 SECOND STREET, STE 201 CHARLOTTESVILLE, VA. 22902 (434)-977-0205 TAX MAP PARCEL No: 06200-00-00-016A2, W/ GRADING EASEMENT ON PARCEL 062-00-016A1 TOTAL PARCEL AREA: 80.77 AC, ORIGINAL TMP 06200-00-016AO ZONING: R4 RESIDENTIAL CURRENT USE: 2 EXISTING SINGLE FAMILY DETACHED (SFD) HOMES R4 STANDARD DENSITY: 4 DU/AC ALLOWABLE UNITS: N/A PROPOSED USE: TREE CLEARING ONLY- NO GRADING TOTAL DISTURBED AREA: 22.0 AC (TREE REMOVAL & HAUL ROAD ONLY) - 1.87 LBS/YR REQUIRED REMOVAL HUC NUMBER: 02080204 NUTRIENT REDUCTION: PER 9VAC25-870-69.5, THE SOURCE OF NUTRIENT REDUCTIONS IS A FORESTED OPEN SPACE EASEMENT RECORDED AT FLUVANNA COUNTY INSTRUMENT #210001008, AND TRACKED VIA A LEDGER RECORDED AT FLUVANNA COUNTY INSTRUMENT #210001962. AN UPDATED TRACKING LEDGER SHALL BE RECORDED IN BOTH FLUVANNA AND ALBEMARLE UPON APPROVAL OF THIS PLAN. TRACKING ... 3.0 LBS OF NUTRIENT CREDITS TRANSFERRED FEB. 21, 2023 AT 3:53 PM, VIA INSTRUMENT NUMBER 202300001354 AT THE CLERK OF THE CIRCUIT COURT. ALBEMARLE COUNTY. VIRGINIA. .. sj WPO#202100063 PHASE 1 RIO MAGISTERIAL DISTRICT, COUNTY OF ALBEMARLE, VA VICINITY MAP SCALE: 1 "=1000 FEET APPROVED by the Albemarle County Community Development Department Date 02/23/2023 File WP0202100063 Sheet List Table Sheet Number Sheet Title 1 COVER SHEET 2 SOILS & EXISTING CONDITION PLAN 3 EROSION & SEDIMENT CONTROL PLAN - CLEARING ONLY 4 SEEDING & STABILIZATION NOTES = 5 EROSION & SEDIMENT CONTROL DETAILS Z 6 EROSION & SEDIMENT CONTROL DETAILS TOTAL SHEETS = 6 Z U APPROVALS DEPARTMENT SIGNATURE DATE DEPARTMENT OF COMMUNITY DEVELOPMENT ENGINEERING INSPECTIONS U U O Z O N d) 0 Ow w N J O W o U J Z W w nm Z C3 U -j J O� 0 0 0 W MTV �Z O�Z2 Fyl O j 0001 a 0= co ir a w Q Q corn Uco DRAFTER: cc M DESIGNER: CCM --A PRODUCTION• e DfG'�MCilu i anIVY,G:� J z W o O Ir J W W T W LLj W = W � C/) Q = W cr'� o O� U � g zJ �� o0 z z O a U w � z o w O � w � o_ w w m � U U N w m Q o W N N O z DATE: 20 FEB. 23 SCALE: - JOB: 20.1674 WPO: SHEET: � OF 6 I J Od �� / // /II I I (�, I 1 11 11 (;Ill'/' /// /// ( / �_z� II)i I //, / _ / ! 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SOILS INFORMATION: 2C - ALBEMARLE FINE SANDY LOAM, 7 TO 15 PERCENT SLOPES, 40-60 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC GROUP: C 16 - CORDORUS SILT LOAM 0 TO 2 PERCENT SLOPES MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, SOMEWHAT POORLY DRAINED, HYDROLOGIC GROUP: B/D 27B - ELIOAK LOAM, 2 TO 7 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC GROUP: B 27C - ELIOAK LOAM, 7 TO 15 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC GROUP: B 34C - GLENELG LOAM, 7 TO 15 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC GROUP: B 39C - HAZEL LOAM, 7 TO 15 PERCENT SLOPES, 20-40 INCHES TO RESTRICTIVE FEATURES, EXCESSIVELY DRAINED, HYDROLOGIC GROUP: B 39D - HAZEL LOAM, 15 TO 25 PERCENT SLOPES, 20-40 INCHES TO RESTRICTIVE FEATURES, EXCESSIVELY DRAINED, HYDROLOGIC GROUP: B 40E - HAZEL LOAM, 24 TO 45 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, EXCESSIVELY DRAINED, HYDROLOGIC GROUP: B 76 - DAN RIVER LOAM, 0 TO 2 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC GROUP: B 83 - COLVARD FINE SANDY LOAM, 0 TO 2 PERCENT SLOPES, MORE THAN 80 INCHES TO RESTRICTIVE FEATURES, WELL DRAINED, HYDROLOGIC GROUP: A 95 HATBORO SILT LOAM, 0-2 PERCENT SLOPES, OCCASIONALLY FLOODED; HYDROLOGIC SOIL GROUP B / D 100 0 100 200 300 SCALE: 1`100' 4 O cn z 0(D rn Q W p`�' 0 d Z N N d) 'V 0 C0 Q H N p c - * 8 ± WU O U CO � 0 co co z W 0 U- Z O k- z� 1+1 O j U O O aLu W Lu C0Cra Q Q U m U 9 Z 0 a rr w Z 0 � C0 z � O O U U Cr 1:6 w w Cr a w CO w Cr m � U U N Q w0 N N O Z r DRAFTER: I CCM DESIGNER: I CCM PRODUCTION � "TH Op D 11 of -A Y/ln �_ �M ChUhristoprtier(a�—Cilu i an Lic. No. Y 031672 IV ?SSIONAL g�Gl;4' J z W O > Q 0 Q O a_ z w O J Ir W 0 ILJ 7- z LL LLJ Q :�i_ 0 cr >c z Owi� _j g w zJ 06 % U) CE: O Q O D DATE: 20 FEB. 23 SCALE: 1" : 100' JOB: 20.1674 W PO: SHEET: OF 6 / v 1111111 �cv 1\VAI AVAIL 1j11 I�III�'IIIlU1i Q I/, I BELVEDERE ELVDISTEREP ASE5LIMITSOF 9',.,'',' BELV\/ EDEI R 1E I (WP02020000034-AMENDMEN PHASE 5B BELVEDERE PHASE DISTURBANCE ] � ! CONSTRUCTION (STEEP SLOPESLOPE / / 1 kvVP02020000034 AMENDMENT #2 PAVED ENTRANCE �/ /// _ _-, `, m 1 1 IMPACTS VIA ) CONSTRUCTION w/WASH RACK 1111111 BELVEDERE) ✓ /// // /// / �/ / / / / / o ENTRANCE //l IP w/WASH RACK //� ///III// J I u,r l I I I EXIST. FILL SLOPE 1 '' DC (VIA BELVEDERE 5B) (IfBELVEDERE 5B G ` CE '•� � �4DJ - \. I MU _ � \_ .EROSION CONTROL (FLATTEN � /+ J / _�• SLOPE GRADES TO ESTABLISH `J /+ - x2 / \ WETLAND AREAS TP - - \ CONTRUCTION ROAD (PER WGF) w l STABILIZATION f//�o{j//o EXISTING ROAD SF EXISTING ROAD x� LIMITS OF - J TP L / // / / / i ESMT. CLEARING & �, PROPOSED / TREE REMOVAL / CONSTRUCTION / / 1 / / // i / APPLY MULCH TO ROAD / PROVIDE GROUND PROPOSED V COVER IN ALL TREE CONSTRUCTION j / / REMOVAL AREAS i MU A / ROAD ESMT.cl - I r \I\ \TID f II llli)))1\l T #2) x x x , r � I O 1✓ -v � �I 7i 6J c / 100 YR. FEOA DEFINED FLOODPLAIN *x'T EXISTING I SF - RIVER ACCESS >* r x , • *x , MU' I � SF \ � MU i V A --- TP I I TP II j j \\ I I / r / I � i I vTOP- 336.2' INV= 319.9' TLti _ u�(SEE NOTE 13) - WETLAN / (P r ; r J D ALBEMARLE COUNTY STEEP SLOPES OVERLAY -MANAGED STEEP SLOPES FROM APPROVED EXHIBIT 03/23/2021 -PRESERVED WETLAND AREAS (PER WILD GINGER FIELD SERVICES LOCATION ON ALTA SURVEY BY RGA DATA JULY 24, 2020) WATERS OF THE U.S. WOUS '••••• SOIL LINE EXISTING ACCESS ROAD (PRIV,) ERAREAS WGF) \7771 \ V��c 1 x l x SF TP I I SF _ CE - \ 1 1 A I VA \ C PAVED * x x � *xx •, x * �II SF - SF CONSTRUCTION SIF i ce/ ENTRANCE R l w/WASH RACK f „ SF a x OQOP SF 1O / / l 1 100 0 100 200 300 SACOEWETLAND`�` � - / / /I d V l /*x*x*xl' ( SCALE: 1"=100' * **x SS SF ) 7 \ ) I l / 1 � I I � ^_ •� // �/ // Ax pox 'Fz \ bE MD I G - / ( ) \ \ti \ \\\\ ! * x . Pll "FL ODPLA �'� ,'�Z /r TP � / // // / _ �I PARKING, I) ` - � ) \ / � x- � x * x � s ? r /K NOTE: AND STORAGE / \ \ \ \ 1 / / 1� 11. TREE PROTECTION SHALL BE IMPLEMENTED ON UPHILL AREA ( \ 1. TREES >3" DIAMETER AT BREAST HEIGHT MAY NOT BE CUT, SLOPES WHERE APPLICABLE OR AS DIRECTED TO PRESERVE � ' /� - - ESA LIMITS OF TREE _ i )) � / 5 HARVEST AREA / 'i / / > 'r � APRIL 1 THRU NOVEMBER 14, OF ANY YEAR (TOYR), PER STANDS OF TREES THAT SHALL REMAIN. *k*Xx JI \` / y� SECTION 7 SPECIES -SPECIFIC PROTECTIONS FOR THE 12. PRESERVED STEEP SLOPES (>25%) TO BE MARKED IN THE 1,i//l ,I /// ( NORTHERN LONG EARED BAT (NLEB), PENDING FURTHER U.S. FIELD BY CONTRACTOR PRIOR TO LAND DISTURBANCE. N -J _ v - - //%G/�Il�llh!!; I; III'! \ / FISH AND WILDLIFE SERVICE (USFWS) GUIDANCE. 13. FIELD MARKERS DELINEATING PRESERVED STEEP SLOPES ARE / 2. ALBEMARLE REQUIRES MULCH COVER FROM CHIPPING LIMBS TO BE MAINTAINED THROUGHOUT THE COURSE OF THE o 2 s ) \ (ti " ON -SITE FOR ANY AREA LOGGED AND REQUIRES MULCH PROJECT AND ARE TO BE REPLACED IF DAMAGED. 6111, `��, GROUND COVER FOR ALL CLEARED AREAS. ALWAYS MAINTAIN \ 4 �' ; - - - - / L 14. NO PREMANENT OR TEMPORARY DISTURBANCE OF / / - 77'/ / ION LOPES IS PERMISSIBLE DURING TREE h' / \ A 50' MINIMUM WIDTH UPSLOPE FROM ANY TREE PROTECT PRESERVED STEEP S TP a - MU - v - / FENCING OR UPSLOPE OF ANY LIMIT OF TREE-CLEARING.REMOVAL PHASE 1. 3 > _ COUNTY ESC INSPECTOR MAY DIRECT PLACEMENT O 15. TOTAL TREE HARVEST AREA - 22.0 AC ADDITIONAL ESC MEASURES NOT SHOWN IF DEEMEDF 0 d1 4�� V / ( / / 16. LARGE MATURE TREES SHALL BE TIMBER -HARVESTED AND (/ \ SEDIMENT DURING OF AFT RIO TREE -CLEARING. j / SHIPPED TO THE SAW MILL FOR USE r 4. NO CUTTING OF TREES IS PERMISSIBLE WITHIN 17. NOTE THE C,MP SF ` ; ; / JURISDICTIONAL WETLAND AREAS WITHOUT U.S. ARMY CORPS PROVIDES FOR THE ACCESS TO OTCH FOWLER AND MIRANDA EXISTINGBELVEDERE SF - - l 1 - - \ \ OF ENGINEERS (USACE) PERMIT CLEARANCE. JURISDICTIONAL � _ l ; CONSTRUCTION ENTRANCES THE SEDIMENT TRAPS AT THE WETLAND AREAS ARE IDENTIFIED AND LABELED. TOE OF THESE DRAINAGE AREAS WERE ALSO INSTALLED. SEE 5. * : / ALSO WP02020000034 AMENDMENT #2, APPROVED 1/10/23. TREE PROTECTION MEASURES ARE TO BE MAINTAINED \\ -' i \ / l / / l / ( 5 / / THROUGHOUT THE COURSE OF THE PROJECT AND ARE TO BE 18. CONTRACTOR SHALL SEED AND STABILIZE CLEARED AREAS REPLACED IF DAMAGED. SO AS TO FULLY MAINTAIN SHEET -FLOW CONDITIONS. / / / r / / / 6. DURING NOTHERN LONG-EARED BAT TIME OF YEAR / / EROSION CONTROL PLAN LEGEND RESTRICTION, PRIOR TO CUTTING ANY TREES, OPERATOR / / /' / SHALL EXAMINE FOR POTENTIAL BAT HABITAT DAILY AND --- - vo / - // /' JII III 1 / - - - - - _ -v A� 1 / /� �i / j j// /// / �/ ;x " PRIOR TO EXPANDING TREE CLEARING INTO ANY NEW AREAS. 3 02 CONSTRUCTION CE IE. LIVING TREES OR SNAGS GREATER OR EQUAL TO 3 INCHES ENTRANCE IN DIAMETER AT BREAST HEIGHT THAT HAVE EXFOLIATING � / x CONSTRUCTION S 'IB� ER )/ j/ y V j / / �� BARK, CRACKS, CREVICES, OR CAVITIES), AS WELL AS 3.03 ROAD STABILIZATION CRS cRs // /l \\ - / / j J = J // FORESTED LINEAR FEATURES SUCH AS WOODED / J ) / � L; C �� / / � v A _� � / J I 1 � � / ; / / ( � FENCE -ROWS, RIPARIAN FORESTS, AND OTHER WOODED l - f l l / l ((/ l; CORRIDORS. WHEN/IF ENCOUNTERED, IMMEDIATELY 3.05 SILT FENCE SF x x 1 711111 \ ( CONTACT OPERATOR LISTED IN REGISTRATION. / / l / / ti , 7. THERE SHALL BE NO GRADING, GRUBBING OR TREE ROOT MODIFIED OUTLET PROTECTION MOP REMOVAL AND ALL STUMPS SHALL BE LEFT 2-3 FEET ABOVE 3.18 EXISTING GRADE. EVERY ATTEMPT SHALL BE MADE TO >> \ \ \ \ - �o' - - 'i r / / \ \ \ - / / / / / / ✓ -OS - PRESERVE THE UNDERSTORY TREES AND VEGETATION TEMPORARY SEEDING \ / _ MH. 47 3.31 8TOP= TOP= 336.5' DURING TREE HARVESTING OPERATIONS. NV= 315.3' 8. MODIFIED OUTLET PROTECTION LOCATED AT THE DISTURBED 3.35 MULCHING MU MU EINkD kODDIIPL4IN- A / j7J1AREA AND S CRITICALT EACH POTENTIALLY ITPREVENTING SEDIMENT OR TREE LOW AREATREE PRESERVATION CONCENTRATED RUNOFF FROM EXITING THE SITE. ALL 3'38 AND PROTECTION TP RUNOFF SHALL EXIT THE SITE AS SHEET -FLOW. - / l////(// / //I / l > 9. INSTALLATION, INSPECTION AND MAINTENANCE OF THESE 3.39 DUST CONTROL DC 430, _ _ - - - - - ' / A//llllllll I I III(I/Il (I / / (i y�A MEASURES SHALL OCCUR BI-WEEKLY AND AFTER EACH / RAINFALL EVENT TO ENSURE THEIR FUNCTIONALITY. LIMITS OF CLEARING 10. CRITICAL SLOPES TO BE FENCED OFF PRIOR TO STARTING TREE REMOVAL CONSTRUCTION. PROPOSED PRELIMINARY LIMITS OF TREE (WETLAND PER WGF)REAS HARVEST AREA ARE CONCURRENT WITH, AND DOES NOT ENCROACH INTO THE CRITICAL SLOPES. *REFERENCE THE LATEST VERSION OF THE VIRGINIA J-- _ J I / / J ` EROSION AND SEDIMENT CONTROL HANDBOOK (VESCH) (A 7 FOR DETAILS REGARDING INDIVIDUAL CONTROL MEASURES. Q z O cD a0, W ' p`� 'V 0 a Z N N d) O co U Q H N p § o m Z U U J m J U�ML] ED co zW D M� z O z 01 w Oj U00 fr a jrco w fr a Q Q corn U W z 0 a fr w Z 0 co z � 0 0 U U Lu w a fr w w m� U U co N LU m Q W p a N O z DRAFTER: I CCM DESIGNER: ICCM PRODUCTION PyTH Op Df�r Christopher C. Mulligan Lic. No. 031672 4� $pFESSION AL g�Gl44' J z LU _j z_ O ' R J Q z_ z_ V > O CE L1 LLJ z W Ir 7- D_ / W cf) J O Q �= z cr ; C) L Lj ' ~ O LU _g zJ LU LU U) 06 Z 0 CE: O 0 z Ir DATE: 20 FEB 23 SCALE: 1" : 100' JOB: 1 20.1674 W PO: SHEET: 3 OF 6 Erosion & Sediment Control Technical Bulletin No. 4 Nutrient Management for Development Sites ESTABLISHMENT OF VEGETATIVE COVER Developing a fertile soil is a crucial step in the establishment of vegetation, which can reduce the amount of fertilizer required to maintain good vegetative cover. A fertile soil has the capacity to supply the nutritional needs of the plants being established. Good soil quality characteristics include good soil texture, adequate nutrients available for plant growth, good moisture holding capacity, and the appropriate soil acidity/alkalinity balance (pH). The following is a discussion of the steps needed to ensure good vegetative growth. 1. Soil Tests Soil tests are extremely important and should be conducted on every site. Soil tests provide specific information on the amounts of phosphorus, potassium, calcium and magnesium available for plant uptake and recommends additional amounts as required. Soil tests are crucial for determining the amount of lime needed to obtain an appropriate soil pH for the vegetation being established. Soil test results include recommendations specific to the site and vegetation being grown. Soil tests recommend the amount of plant nutrients and lime needed to promote and maintain good plant growth. Soil tests may be performed by the Cooperative Extension Service Soil Testing Laboratory at VPI & SU, or by a reputable commercial laboratory. Also note that County Extension offices have soil testing supplies and information. Soil tests are not used to determine nitrogen needs. Nitrogen is applied based upon established requirements for the plant to be grown, season of growth, and intended use. 2. Surface Roughening Provide a rough soil surface by stair -step grading, grooving, or tracking the soil to be vegetated or by leaving slopes in a roughened condition by not fine -grading, in accordance with the 1992 Virginia Erosion & Sediment Control Handbook (Std & Spec 3.29). Seed germination is difficult with compacted soils. Rough, loose soil surfaces helps prevent the loss of lime and fertilizer due to runoff, increases water infiltration, and provides seed coverage, which aids in seed germination. 3. Soil Amendments & Soil Quality Materials such as sand, vermiculite, peat, and compost may be added to soil to modify texture, improve structure and increase the moisture holding capacity. It is also recommended to conserve existing soil quality by preserving and reapplying topsoil in accordance with the 1992 Virginia Erosion & Sediment Control Handbook (Std & Spec 3.30). Areas that have been compacted, or where duff or underlying topsoil is removed, should be amended with compost to improve soil quality. 4. Lime Adjusting the soil pH between 6.25 to 6.5 is extremely important for grass establishment, especially in the acidic soils of Virginia. A soil test is necessary to determine the actual amount of lime required to adjust the soil pH of denuded sites. However, when a soil test has not been performed, apply 2-tons/acre (90 pounds per 1,000 square feet) of pulverized agricultural grade limestone. Revised 7/17/03 Page 2 of 8 Erosion & Sediment Control Technical Bulletin No. 4 Nutrient Management for Development Sites 5. Fertilizer Never aDDly more than 1 Dound of water soluble nitrogen Der 1.000 sauare feet within a 30 day ep riod. Nitrogen should be applied based upon established requirements of the plant to be grown, season of growth, and intended use. Establishing a uniform dense vegetative cover with a good root system reduces the potential for pollution by decreasing erosion and runoff, increasing the plants ability for nutrient uptake, and reducing pesticide use. A detailed discussion on fertilizer use is provided in the `Updated Fertilizer Specifications and Rates for Establishment' section of this bulletin. 6. Incorporation Incorporate the lime and fertilizer into the top 4 - 6 inches of the soil by discing or by other means. Incorporation reduces the potential nutrient loss due to runoff, as well as significantly increasing the success of establishing a vegetative cover. When surface roughening does not occur prior to the application of lime and fertilizer, `mix' the lime and fertilizer into the soil, at least 4 inches, by the methods described in the 1992 Virginia Erosion and Sediment Control Handbook (Std & Spec 3.29). When incorporation does not occur, and fertilizer and lime is applied directly to a smooth surface, the phosphorus (P205) application rate must be reduced by half because of the limited contact area with soil and the risk of nutrients being lost in runoff. 7. Seeding Selection of plants is based on climate topography,soils land use and the planting season. The P � P g 1992 Virginia Erosion and Sediment Control Handbook vegetative cover standards and specifications 3.31 Temporary Seeding, 3.32 Permanent Seeding, 3.33 Sodding, and 3.34 P P mil' g� g> g� Bermudagrass & Zoysiagrass, describe in detail the specifications for plant selection. In addition, attached are one -page updates to the vegetative cover standards and specifications, which provide updated fertilizer and lime rates and the seeding schedules for the different P P g physiographic regions of Virginia. 8. Mulching The application of mulch to the soil surface, for both temporary and permanent seeding, is one of the most effective means of controlling runoff and erosion on disturbed land. All permanent seeding must be mulched immediately upon completion of seed application. It is especially important to mulch liberally in mid -summer and prior to winter. Mulching prevents erosion, and thereby pollution, by protecting the soil surface and fostering the growth of vegetation by increasing the moisture content and providing insulation from extreme temperatures. The 1992 Virginia Erosion and Sediment Control Handbook (Std & Spec 3.35) details the mulch specifications and includes a list of the typical materials used to mulch (for example straw, wood chips, and fiber mulch). Revised 7/17/03 Page 3 of 8 Erosion & Sediment Control Technical Bulletin No. 4 Nutrient Management for Development Sites 9. Hydroseeding H droseedin is a mechanical method of applying seed fertilizer, and mulch to land Y g > development sites in one step. This method is efficient in providing an immediate cover to denuded sites; however, the surface must be carefully prepared in order for successful seed germination. Hydroseed on rough, loose surfaces only. Roughen the surface prior to application of hydroseeding, per the specification above and in accordance with the 1992 Virginia Erosion & Sediment Control Handbook (Std & Spec 3.29). Although proper soil pH is crucial in establishing good vegetative cover, lime is usually not included in the hydroseed mix. Therefore, lime should be incorporated into the soil as needed when preparing the site for hydroseeding. To avoid poor seed germination as a result of seed damage during hydroseeding, it is recommended that if the machinery breaks down from 30 minutes to 2 hours, 50% more seed must be added to the tank. Beyond 2 hours, a full rate of new seed is usually necessary. UPDATED FERTILIZER SPECIFICATIONS AND RATES FOR ESTABLISHMENT Plant nutrients should be applied based upon established requirements of the plant to be grown, season of growth, and intended use, as specified in the 1992 Virginia Erosion and Sediment Control Handbook (Std & Spec 3.31, 3.32, 3.33, and 3.34). The timing and rate of fertilizer application depends on the type of grass. There are basically two types of grasses, warm and cool season grasses. Warm season grasses (Bermuda, Zoysia) are those that go dormant in the winter. Cool season grasses (Fescue, Bluegrass) are those that stay green year round. 1. Recommended Season for Applying Nitrogen Fertilizers The earliest spring application of nitrogen for cool season grasses is six weeks prior to the last average frost date (for example, February 6 for Virginia Beach and March 1 for Roanoke). The latest fall application of nitrogen for cool season grasses is six weeks after the first average frost date (for example, December 29 for Virginia Beach and December 1 for Roanoke). The earliest spring application of nitrogen for warm season grasses is the last average frost date for the region (for example, March 20 for Virginia Beach and April 15 for Roanoke). The latest fall application of nitrogen for warm season grasses is 30 days prior to the average first frost date for the region (for example, October 15 for Virginia Beach and September 20 for Roanoke). 2. Per Application Rates Phosphorus (P) and potassium (K) fertilizer requirements should be determined by a soil test. Never apply more than one (1) pound of water soluble nitrogen per 1,000 square feet within a 30 day period. The following table itemizes the fertilization rate revisions to standards and specifications 3.31 Temporary Seeding, 3.32 Permanent Seeding, 3.33 Sodding, and 3.34 Bermudagrass & Zoysiagrass Establishment. Revised 7/17/03 Page 4 of 8 Erosion & Sediment Control Technical Bulletin No. 4 Nutrient Management for Development Sites Summary of Fertilizer Snecification Revisions for Establishment of Turf 2003 Urban Nutrient Management Technical Standards & Specifications Bulletin 3.31 Temporary Seeding 10-10-10 fertilizer applied at a rate of 450 lbs. / acre or 10 lbs. / 1,000 ft2 Mixed Grasses & Legumes 10-20-10 fertilizer applied at a rate of 500 lbs. / acre or 12 lbs. / 1,000 ft2 Apply the equivalent of 100 lbs. of phosphate 3.32 Permanent Seeding Le Legume stands only (P205) and 100 lbs. of Potash (K20) per acre. NO NITROGEN N Grass stands only 10-20-10 fertilizer applied at a rate of 500 lbs. / acre or 12 lbs. / 1,000 ft2 10-10-10 fertilizer applied at a rate of 450 lbs. / acre or 10 lbs. / 1,000 ft2. NOTE: For cool 3.33 Sodding season grasses apply fertilizer in fall or spring. For warm season grasses apply the fertilizer in late spring or summer only. 10-10-10 fertilizer applied at a rate of 500 lbs. / acre or 12 lbs. / 1,000 ft2. Apply additional 3.34 Bermudagrass & Zoysiagrass Establishment phosphorus and potassium 30-60 days later based on the soil test. Apply an additional equivalent of 1 Ib./1,000 Prof nitrogen when the P & K are applied. 3. Using Fertilizer Analysis to Calculate Nitrogen Rates All fertilizer packages have three numbers present on the package (for example, 10-10-10 or 16- 4-8). These three numbers indicate the percentage of nitrogen (N), phosphorus (P205), and potash (K20) present by weight which is called the N-P-K ratio. For example, a 20 pound bag of 10-6-4 is 10 percent nitrogen (2 lb. of N), 6 percent phosphate (1.2 lb. of P205), and 4 percent potash (0.8 lb. of K20) the remaining is inert material to facilitate even application of fertilizer. The Virginia nutrient management recommendation is to apply no more than 1 lb. of nitrogen per 1,000 square feet within a 30 day period. A fertilization rate of 1 lb. of nitrogen per 1,000 square feet can be obtained for any site by using the fertilizer analyses on the bag and knowing the area of application. Revised 7/17/03 Page 5 of 8 Erosion & Sediment Control Technical Bulletin No. 4 Nutrient Management for Development Sites Fertilizer Bag Reads: Amount to Fertilizer to Apply 1 lb. of nitrogen / 1000 sq.ft. 6-2-0 16.6 lb. 10-10-10 10 lb. 16-4-8 6.2 lb. 20-5-5 5 lb. 22-3-14 4.5 lb. 29-3-7 3.4 lb. 4. Use of Slowly Available Forms of Nitrogen Fertilizer bags will state the source or category from which the nitrogen is derived. Nitrogen fertilizers have two categories: Water Soluble Nitro en i.e. all nitrogen is immediate) g g ( � g Y available); and Slowly Available Nitrogen (i.e., nitrogen is available over an extended period of time). The nitrogen source impacts how grass is fertilized and the rate and timing of application of fertilizer. Choose a fertilizer that has some amount of Slowly Available Slowly Available Nitrogen (SAN). Slowly available nitrogen fertilizers make nitrogen available a little at a time, the way most grasses need it, which reduces both the potential of excess nutrients in runoff and the leaching potential of excess nutrients into groundwater. Sources of SAN are usually stated on the label. It may be stated as % Water Insoluble Nitrogen (WIN), sulfur -coated urea, natural organic nitrogen or other controlled release materials used to coat the fertilizer. The % WIN is usually stated on the fertilizer container, if the % WIN is not listed, assume that all the nitrogen in the fertilizer is water soluble and immediately available. As a general guideline, if the fertilizer has 50% WIN or less, it should be applied in the same manner as readily available nitrogen. If the fertilizer is 50% WIN or greater, it should be applied as a SAN. UPDATED FERTILIZER SPECIFICATIONS AND RATES FOR MANAGEMENT 1. Application of Fertilizer for Maintenance Apply fertilizer when grass is actively growing and can utilize the nutrients. Summer is best for warm season grasses (zoysiagrass and bermudagrass) while the fall months are best for cool season grasses (tall fescue, Kentucky bluegrass, perennial ryegrass). 2. Annual Application Rates A. When applying 100% Water Soluble Nitrogen sources (those that have all the nitrogen immediately available for plant use), the following rates apply: . Never anDly more than one (1) nound of water soluble nitrogen Der 1.000 sauare feet within a 30 day period • No more than 3.5 lbs. of nitrogen per 1,000 square feet annually on cool season grass. • No more than 4.0 lbs. of nitrogen per 1,000 square feet annually on warm season grass. Erosion & Sediment Control Technical Bulletin No. 4 Nutrient Management for Development Sites B. When applying slowly available nitrogen (SAN, WIN, sulfur -coated urea, natural organic nitrogen or other controlled release materials), total annual nitrogen application rates may be adjusted incrementally by referring to the following figure. The maximum annual nirogen rates when using 50% or greater SAN is as follows: • No more than 5.0 lbs. of nitrogen per 1,000 square feet annually on cool season grass. • No more than 5.5 lbs. of nitrogen per 1,000 square feet annually on warm season grass. Erosion & Sediment Control Technical Bulletin No. 4 Nutrient Management for Development Sites C. When anDlying maintenance fertilizer on established sod. Pounds of nitrogen 1 oer 1,000 sq. ft. if the fertilizer is less than 50 percent WIN Month Type of Grass Tall Fescue Perennial R e Kentucky Blue rass Bermuda rass Zoysiagrass Se tember 1 1 0 0 October 1 1 0 0 Early November 0 0 0 0 April 0 0 0 0 May 0-0.5 0-0.05 1 1 June 0 0 1 0 July/August 0 0 0 1 Yearly Lbs. N/1000 sf 2.5 2.5 2 2 Pounds of nitrogen per 1,000 sq. ft. if the fertilizer is more than 50 percent WIN Month Type of Grass Tall Fescue Perennial Rye Kentucky Bluegrass Bermudagrass Zoysiagrass August 15 1.5 1.5 0 0 October 1 1.5 1.5 0 0 April 0 0 1.5 1.5 May 15 0 0 0 0 June 0 0 1.5 1.5 Yearly Lbs. N/1000 sf 3 1 3 1 3 1 3 Erosion & Sediment Control Technical Bulletin No. 4 Nutrient Management for Development Sites C. When aDDlving maintenance fertilizer on established sod. Pounds of nitrogen per 1,000 sq. ft. if the fertilizer is less than 50 percent WIN Month Type of Grass Tall Fescue Perennial Rye Kentucky Bluegrass Bermudagrass Zoysiagrass September 1 1 0 0 October 1 1 0 0 Early November 0 0 0 0 April 0 0 0 0 May 0-0.5 0-0.05 1 1 June 0 0 1 0 July/August 0 0 0 1 Yearly Lbs. N/1000 sf 2.5 2.5 2 2 Pounds of nitrogen per 1,000 sq. ft. if the fertilizer is more than 50 percent WIN Month Type of Grass Tall Fescue Perennial Rye Kentucky Bluegrass Bermudagrass Zo sia rass August 15 1.5 1.5 0 0 October 1 1.5 1.5 0 0 April 0 0 1.5 1.5 Ma 15 0 0 0 0 June 0 0 1.5 1.5 IYearly Lbs. N/1000 sfl 3 1 3 1 3 1 3 TABLE 3.31-B (Revised June 2003) TEMPORARY SEEDING SPECIFICATIONS QUICK REFERENCE FOR ALL REGIONS SEED APPLICATION DATES SPECIES APPLICATION RATES Sept. 1 - Feb. 15 50/50 Mix of Annual Ryegrass (lolium multi- florum) & Cereal (Winter) Rye (Secale cereals) 50 -100 (lbs/acre) Feb. 16 - Apr. 30 Annual Ryegrass (lolium multi-florum) 60 - 100 (lbs/acre) May 1 -Aug. 31 German Millet 50 (lbs/acre) FERTILIZER & LIME • Apply 10-10-10 fertilizer at a rate of 450 lbs. / acre (or 10 lbs. / 1,000 sq. ft.) • Apply Pulverized Agricultural Limestone at a rate of 2 tons/acre (or 90 lbs. / 1,000 sq. ft.) 1 - A soil test is necessary to determine the actual amount of lime required to adjust the soil pH of site. 2 - Incorporate the lime and fertilizer into the top 4 - 6 inches of the soil by disking or by other means. 3 - When applying Slowly Available Nitrogen, use rates available in Erosion & Sediment Control Techr # 4.2003 Nutrient Management for Development Sites at hftp://www.dcr.state.va.us/sw/e&s.htm#pubs TABLE 3.32-C (Revised June 2003) PERMANENT SEEDING SPECIFICATIONS FOR APPALACHIANIMOUNTAIN AREA SEED' LAND USE SPECIES APPLICATION RATES Tall Fescue' 90-100% Minimum Care Lawn Perennial Ryegrass2 0-10% (Commercial or Residential) Kentucky Bluegrass' 0-10% TOTAL: 200-250 lbs. Minimum of three (3) up to five (5) varieties High -Maintenance Lawn of Kentucky Bluegrass from approved list TOTAL: 125 lbs. for use in Virginia' Tall Fescue' 128 lbs. General Slope (3:1 or less) Red Top Grass or Creeping Red Fescue Seasonal Nurse Crop 2 lbs. 20 lbs. TOTAL: 150 lbs. Tall Fescue' 108 lbs. Low -Maintenance Slope Red Top Grass or Creeping Red Fescue Seasonal Nurse Crop3 2 lbs. 20 lbs. (Steeper than 3:1) Crownvetch4 20 lbs. TOTAL: 150 lbs. 1 - When selecting varieties of turfgrass, use the Virginia Crop Improvement Association (VCIA) recommended turfgrass variety list. Quality seed will bear a label indicating that they are approved by VCIA. A current turfgrass variety list is available at the local County Extension office or through VCIA at 804-746-4884 or at htti3://sudan. cses.vt. edu/htm i/Tu rf/turf/publications/pu blicabons2. htm I 2 - Perennial Ryegrass will germinate faster and at lower soil temperatures than Tall Fescues, thereby providing cover and erosion resistance for seedbed. 3 - Use seasonal nurse crop in accordance with seeding dates as stated below: March, April - May 1 e ......................... Annual Rye May 161h - August 1 e ......................... Foxtail Millet August Ile - September, October ........... Annual Rye November- February ............................. Winter Rye 4 - All legume seed must be properly inoculated. If Flatpea is used, increase to 30lbs/acre. If Weeping Lovegrass is used, include in any slope or low maintenance mixture during warmer seeding periods, increase to 30 -40 lbs/acre. FERTILIZER & LIME • Apply 10-20-10 fertilizer at a rate of 500 lbs. / acre (or 12 lbs. / 1,000 sq. ft.) • Apply Pulverized Agricultural Limestone at a rate of 2 tons/acre (or 90 lbs. / 1,000 sq. ft.) NOTE: - A soil test is necessary to determine the actual amount of lime required to adjust the soil pH of site. - Incorporate the lime and fertilizer into the top 4 - 6 inches of the soil by disking or by other means. - When applying Slowly Available Nitrogen, use rates available in Erosion & Sediment Control Technic # 4.2003 Nutrient Management for Development Sites at http://www.dcr.state.va.us/sw/e&s.htm#pubs Uz U O z 0(D Qo p`�' � W N 'V d Z N 00 0) 2 0O co uo 0 U Q Lu 00 CJ J Z W Z U U J 0) m > J coU C Qp Lu o w 0 LLz or-zY Oj 000 am (0ira w Q co 0) M Q � C)ir DRAFTER: CCM DESIGNER: CCM PRODUCTION e p DfG'�MCilu i an4�Y'%G 4, J z W 0 U) I� � W �J � Ir Z J W M T I- � N J � Q - = Q Cr>�LLJ � O (� 0f J g z z> o Q W � W Q O U) z D z O o_ w ~ o w z � o � U � w o_ o= w w o= m� U U N � m � o N N O z DATE: 20 FEB. 23 SCALE: - JOB: 20.1674 W PO: SHEET: 1992 3.05 CONSTRUCTION OF A SILT FENCE (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A 47X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. 6'MAX. 1 l l Ili 2 FLOW 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. 4" 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) Source: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control, Sherwood and Wyant Plate 3.05-2 III - 25 1992 3.05 Maintenance 1. Silt fences shall be inspected immediately after each rainfall and at least daily during prolonged rainfall. Any required repairs shall be made immediately. 2. Close attention shall be paid to the repair of damaged silt fence resulting from end runs and undercutting. 3. Should the fabric on a silt fence decompose or become ineffective prior to the end of the expected usable life and the barrier still be necessary, the fabric shall be replaced promptly. 4. Sediment deposits should be removed after each storm event. They must be removed when deposits reach approximately one-half the height of the barrier. 5. Any sediment deposits remaining in place after the silt fence is no longer required shall be dressed to conform with the existing grade, prepared and seeded. DRIP LINE SNOW FEN( BOARD �KQ:1:lYN•SIar:PLbY�lyradytltl.[NI.[ ! r, TRIANGULAR BOARD FENCE TP TREE PROTECTION FENCING DETAIL NOT TO SCALE 3.38-2 GROUND 1. SET POSTS AND EXCAVATE A 4"1 TRENCH UPSLOPE ALONG THE LINE OF POSTS � G FLOW 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH FLOW 2. STAPLE WIRE FENCING TO THE POSTS 4. BACKFILL AND COMPACT THE EXCAVATED SOIL EXTENSION OF THE FABRIC AND WIRE INTO THE TRENCH FILTER FABRIC _W�.IL1U WIRE -I SF " NOT TO SCALE SILT FENCE OUTLET DETAIL MOP (SPECIAL DESIGN) SILT FENCE EXIST. GROUND �\ A k EXIST. ELEV. \ o_ - - � ELEV. 10, OUTLET CROSS SECTOIN PERSPECTIVE VIEW NOTE: TEMPORARY DRAINAGE DITCH OUTFALLS FOR USE PRIOR TO STABILIZATION STONE 70' MIN. CONSTRUCTION ACCESS 3 SM-2A ASPHALT TOP COURSE EXIS 1% 2% 2% �PAVFMr`I �6" MIN. 21A AGGREGATE BASE PROFILE � •I • � " .fir,}' t *MUST EXTEND FULL WIDTH A POSITIVE DRAINAGE TO SEDIMENT OF INGRESS AND EGRESS OPERATION TRAPPING DEVICE PLAN 12' MIN. POSITIVE DRAINAGE TO SEDIMENT TRAPPING DEVICE FILTER CLOTHS - SECTION A -A A ntinjmunn water tap of 1 inch must be installed with a nnumnnm 1 inch balicock shutoff vahre supplying a wash hose with a channeter of 1.5 inches for adequate constant pressure. Wash water nnlst be carried away froul the enhance to an approved settlitlg area to retnove seditnletnt. All sediLnent shall be prevented from entering stone drains. ditches or watercourses. PAVED WASH RACK NO SCALE 3.05-1 PRE-POST-OUTFALLS Prepared by HP Inc. Project Name: DUNLURA FARMS -22 Acres -Tree Harvesting Date: 22-Feb-23 BMP Design Specifications List: 2013 Draft Stds & Specs Site Information Post -Development Project (Treatment Volume and Loads) Land Cover (acres) A Soils B Soils C Soils D Soils Totals Forest/Open Space (acres) -- undisturbed, protected forest/open space or reforested land 0.00 Managed Turf (acres) -- disturbed, graded for yards or other turf to be mowed/managed 21.50 21.50 Impervious Cover (acres) 0.50 0.50 22.00 ICnnstants Annual Rainfall (inches) 43 Target Rainfall Event (inches) 1.00 Total Phosphorus(TP) EMC(mg/L) 0.26 Total Nitrogen (TN) EMC (mg/L) 1.86 Target TP Load (lb/acre/yr) 0.41 Pi(unitless correction factor) 0.90 Land Cover Summary Forest/Open Space Cover (acres) 0.00 Weighted Rv (forest) 0.00 % Forest 0% Managed Turf Cover (acres) 21.50 Weighted Rv (turf) 0.20 %Managed Turf 98% Impervious Cover (acres) 0.50 Rv (impervious) 0.95 %Impervious 2% Site Area (acres) 22.00 Site Rv 0.22 Runoff Coefficients IRA A Soils B Soils C Soils D Soils Forest/Open Space 0.02 0.03 0.04 0.05 Managed Turf 0.15 1 0.20 1 0.22 1 0.25 Impervious Cover 0.95 0.95 0.95 0.95 Treatment Volume and Nutrient Loads Treatment Volume 0.3979 (acre-ft) Treatment Volume (cubic feet) 17,333 TP Load (Ib/yr) 10.89 TN Load (lb/yr) 77.91 Informational Purposes Onl NUTRIENT REDUCTION: • PER 9VAC25-870-69.5, THE SOURCE OF NUTRIENT REDUCTIONS IS A FORESTED OPEN SPACE EASEMENT RECORDED AT FLUVANNA COUNTY INSTRUMENT #210001008, AND TRACKED VIA A LEDGER RECORDED AT FLUVANNA COUNTY INSTRUMENT #210001962. AN UPDATED TRACKING LEDGER SHALL BE RECORDED IN BOTH FLUVANNA AND ALBEMARLE UPON APPROVAL OF THIS PLAN • 3.0 LBS OF NUTRIENT CREDITS TRANSFERRED FEB. 21, 2023 AT 3:53 PM, VIA INSTRUMENT NUMBER 202300001354 AT THE CLERK OF THE CIRCUIT COURT, ALBEMARLE COUNTY, VIRGINIA. SWM QUANTITY NARRATIVE: PER 9VAC25-870-66.D, THERE SHALL BE NO NET INCREASE IN RUNOFF VOLUME. BELOW IS THE ANALYSIS FOR THIS PHASE, RESULTING FROM THE CLEARING OF TREES. ALL TREE STUMPS SHALL BE LEFT LEFT IN PLACE, AND MULCH UTILIZED AS GROUND COVER FOR ALL AREAS WHERE THE CANOPY TREES ARE REMOVED. ALL RUNOFF SHALL EXIT THE SITE AS SHEETFLOW; GRADING OR CHANNELIZATION OF STORMWATER IS PROHIBITED. SEE HYDROLOGIC ANALYSIS BELOW. Type // 24-hr 1-yr RainfallIIIII r Printed 2/22/2023 Summary for Subcatchment 31S: Pre -Developed Clearing Area Runoff = 5.21 cfs @ 12.12 hrs, Volume= 0.587 af, Depth> 0.32" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Type II 24-hr 1-yr Rainfall=2.97" Area (ac) CN Description • 22.000 60 Woods/grass comb., Good, HSG B, gravel road 22.000 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 15.0 Direct Entry, s- 4 a- z- R Hvdmorach I I 111111111 111111111111 ' �� • �����)��� 1111111111 ����'11111,I1�� t1111111111 Mimi�� ■ Rumn data input cells constant values calculation cells PRE-POST-OUTFALLS Type I/ 24-hr 1-yr Rainfall=2.97" Prepared by HP Inc. Printed 2/22/2023 HydrOCAD® 10.10-6a s/n 08126 © 2020 HydroCAD Software Solutions LLC Summary for Subcatchment 30S: Post -Developed Ph1&2 Clearing Area Runoff = 3.00 cfs @ 12.05 hrs, Volume= 0.385 af, Depth> 0.21" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-24.00 hrs, dt= 0.01 hrs Type II 24-hr 1-yr Rainfall=2.97" Area (ac) CN Description 22.000 56 Brush, Good, HSG B, Graveled Road 22.000 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 8.0 Direct Entry, Hydrograph Time (hours) Uz I�1 O z O (o rn Q W y O a- Z N N 0)2 W O 00 U H N p LU J Z 02 W _ Z 0 r­D LU 00J 0) no J Cc� O> U_Jaao (n LU z W LU I -I -I LL Z O 1- Z 0- ()00 COO a Ls W � � a Q 00 0 U W Z O EL 00LU H W 0 00 0 z O U >� D' W W CC0- W rn W 0' m � U U cm N LU Ind Q W o W N N 0 z r DRAFTER: CCM DESIGNER: I CCM PRODUCTION• nr-C `f c�lu I an4�yGN J z cn L1J O J J Q / � V Q � � W O 0 J J I J W ~ W T z O W U Q �Q z W 0W o Jg Z J °6 O O O J W z W DATE: 20 FEB. 23 SCALE: ---- JOB: 20.1674 W PO: SHEET: 5 OF 6 STD & SPEC 3.35 MULCHING Mu Definition Application of plant residues or other suitable materials to the soil surface. Purposes 1. To prevent erosion by protecting the soil surface from raindrop impact and reducing the velocity of overland flow. 2. To foster the growth of vegetation by increasing available moisture and providing insulation against extreme heat and cold. Conditions Where Practice Applies 1. Areas which have been permanently seeded (see Std. & Spec. 3.32, PERMANENT SEEDING) should be mulched immediately following seeding. 2. Areas which cannot be seeded because of the season should be mulched to provide some protection to the soil surface. An organic mulch should be used, and the area then seeded as soon weather or seasonal conditions permit. It is not recommended that fiber mulch be used alone for this practice; at normal application rates it just simply does not provide the protection that is achieved using other types of mulch. 3. Mulch may be used together with plantings of trees, shrubs, or certain ground covers which do not provide adequate soil stabilization by themselves. 4. Mulch shall be used in conjunction with temporary seeding operations as specified in TEMPORARY SEEDING, Std. & Spec. 3.31. Planning Considerati Mulches are applied to the soil surface to conserve a desirable soil property or to promote plant growth. A surface mulch is one of the most effective means of coat*olling runoff and erosion on disturbed land. Mulches can increase the infiltration rate of the soil, reduce soil moisture loss by evaporation, prevent crusting and sealing of the soil surface, modify soil temperatures, and provide a suitable microclimate for seed germination. Organic mulch materials, such as straw, wood chips, bark, and fiber mulch have been found to be the most effective. Chemical soil stabilizers or soil binders should not be used alone for mulch. These materials are useful to bind organic mulches together to prevent displacement. A variety of manufactured SOIL STABILIZATION BLANKETS AND MATTING (see Std. & Spec. 3.36) have been developed for erosion control in recent years. Some of these products can be used as mulches, particularly in critical areas such as waterways. They also may be used to hold other mulches to the soil surface. The choice of materials for mulching will be based on the type of soil to be protected, site conditions, season and economics. It is especially important to mulch liberally in mid- summer and prior to winter, and on cut slopes and southern slope exposures. Organic Mulches Straw - The mulch most commonly used in conjunction with seeding. The straw should come from wheat or oats (free of troublesome weed seeds) and may be spread by hand or machine. Straw can be windblown and must be anchored down by an acceptable method. �I y - May be used in lieu of straw where volunteers will not present a problem, and may be spread by hand or machine. Hay can be windblown and must also be anchored or tacked down. Com Stalks - These should be shredded into 4- to 6-inch lengths. Stalks decompose slowly and are resistant to displacement. Wood Chips - Suitable for areas that will not be closely mowed, and around ornamental plantings. Chips decompose slowly and do not require tacking. They must be treated with 12 pounds of nitrogen per ton to prevent nutrient deficiency in plants; however, can be a very inexpensive mulch if chips are obtained from trees cleared on the site. Bark Chips. Shredded Bazk - These are by-products of timber processing which are used in landscaped plantings. Bark is also a suitable mulch for areas planted to grasses and not closely mowed. It may be applied by hand or mechanically and is not usually toxic to grasses or legumes; additional nitrogen fertilizer is not required. Fiber Mulch - Used in hydroseeding operations and applied as part of the slurry. It creates the best seed -soil contact when applied over top of (as a separate operation) newly seeded areas. These fibers do not require tacking, although tacking agents or binders are sometimes used in conjunction with the application of fiber mulch. This form of mulch does = provide sufficient protection to highly erodible soils. Additionally. fiber mulch will not be considered adequate mulch when used during the dry summer months or when used for late fall mulch cover. Use straw mulch during these periods. Fiber mulch may be used to tack (anchor) straw mulch. This treatment is well suited for steep slopes, critical areas, and areas susceptible to displacement. There are other organic materials which make excellent mulches but are only available locally or seasonally. Creative use of these materials can reduce .costs. Chemical Mulches and Soil Binders A wide range of synthetic, spray -on materials are marketed to stabilize and protect the soil surface. These are emulsions or dispersions of vinyl compounds, rubber or other substances which are mixed with water and applied to the soil. They may be used alone in some cases as temporary stabilizers, or in conjunction with fiber mulches or straw. When used alone, chemical mulches do not have the capability to insulate the soil or retain soil moisture that organic mulches have. This soil protection is also easily damaged by traffic. Application of these mulches is usually more expensive than organic mulching, and the mulches decompose in 60-90 days. Blankets and Matting Field experience has shown that plastic netting, when used alone, does not retain soil moisture or modify soil temperature. In some cases it may stabilize the soil surface while grasses are being established, but is primarily used in grassed waterways and on slopes to hold straw or similar mulch in place. Jute mesh and other soil stabilization blankets are good choices for mulching on difficult slopes and in minor drainage swales. Most of the soil stabilization mattings (used to create a permanent matrix for root growth within the soil) must receive mulching in order to properly stabilize an area. Notably, some manufacturers have recently developed permanent mattings which include self-contained, temporary mulching materials; however, these measures will have to meet the requirements noted in Sid. & Spec. 3.36, SOIL STABILIZATION BLANKETS AND MATTING, before they can be recommended for use on steep slopes and in channel flow situations. The most critical aspect of installing blankets and mats is obtaining firm, continuous contact between the material and the soil. Without such contact, the material may fail and thereby allow erosion to occur. It is important to use an adequate number of staples and make sure the material is installed properly in order to maximize soil protection. These products are discussed in more detail in Std. & Spec. 3.36, SOIL. STABILIZATION BLANKETS & MATTING. Specifications Organic Mulches Organic mulches may be used in any area where mulch is required, subject to the restrictions noted in Table 3.35-A. Materials: Select mulch material based on site requirements, availability of materials, and availability of labor and equipment. Table 3.35-A lists the most commonly used organic mulches. Other materials, such as peanut hulls and cotton burs, may be used with the permission of the local Plan -Approving Authority. Prior to mulching: Complete the required grading and install needed sediment control practices. Lame and fertilizer should be incorporated and surface roughening accomplished as needed. Seed should be applied .prior to mulching except in the following cases: a. Where seed is to be applied as part of a hydroseeder slurry containing fiber mulch. b. Where seed is to be applied following a straw mulch spread during winter months. TABLE 3.35-A ORGANIC MULCH MATERIALS AND APPLICATION RATES RATES: MULCHES: NOTES: Per Acre Per 1000 sq. ft. Straw or Hay I� - 2 tons 70 - 90 lbs. Free from weeds and coarse (Minimum 2 matter. Must be anchored. tons for Spread with mulch blower winter cover) or by hand. Fiber Mulch Minimum 35 lbs. Do not use as mulch for 15001bs. winter cover or during hot, dry periods.* Apply as slurry. Corn Stalks 4 - 6 tons 185 - 2751bs. Cut or shredded in 4-6" lengths. Air-dried. Do not use in fine turf areas. Apply with mulch blower or by hand. Wood Chips 4 - 6 tons 185 - 275 lbs. Free of coarse matter. Air- dried. Treat with 121bs nitrogen per ton. Do not use in fine turf areas. Apply with mulch blower, chip handler, or by hand. Bark Chips 50 - 70 cu. 1-2 cu. yds. Free of coarse matter. Air - or yds. dried. Do not use in fine Shredded turf areas. Apply with Bark mulch blower, chip handler, or by hand. * When fiber mulch is the only available mulch during periods when straw should be used, apply at a minimum rate of MW lbs./ac. or 45 lbs./1000 sq. ft. Application: Mulch materials shall be spread uniformly, by hand or machine. When spreading straw mulch by hand, divide the area to be mulched into approximately 1,000 sq. ft. sections and place 70-90lbs. (1� to 2 bales) of straw in each section to facilitate uniform distribution. Mulch Anchoring: Straw mulch must be anchored immediately after spreading to prevent displacement. Other organic mulches listed in Table 3.35-A do not require anchoring. The following methods of anchoring straw may be used: 1. Mulch anchoring tool (often referred to as a Krimper or Krimper Tools This is a tractor -drawn implement designed to punch mulch into the soil surface. This method provides good erosion control with straw. It is limited to use on slopes no steeper than 3:1, where equipment can operate safely. Machinery shall be operated on the contour. 2. Fiber Mulch: A very common practice with widespread use today. Apply fiber mulch by means of a hydroseeder at a rate of 500-750 lbs./acre over top of straw mulch or hay. It has an added benefit of providing additional mulch to the newly seeded area. 3. Liquid mulch binders: Application of liquid mulch binders and tackifiers should be heaviest at edges of areas and at crests of ridges and banks, to prevent displacement. The remainder of the area should have binder applied uniformly. Binders may be applied after mulch is spread or may be sprayed into the mulch as it is being blown onto the soil. AplLhcation: Mulch materials shall be spread uniformly, by hand or machine. When spreading straw mulch by hand, divide the area to be mulched into approximately 1,000 sq. ft. sections and place 70-90 lbs. (1 k to 2 bales) of straw in each section to facilitate uniform distribution. Mulch Anchoring: Straw mulch must be anchored immediately after spreading to prevent displacement. Other organic mulches listed in Table 3.35-A do not require anchoring. The following methods of anchoring straw may be used: 1. Mulch anchoring tool (often referred to as a Krimper or Krim ep r Tool): This is a tractor -drawn implement designed to punch mulch into the soil surface. This method provides good erosion control with straw. It is limited to use on slopes no steeper than 3:1, where equipment can operate safely. Machinery shall be operated on the contour. 2. Fiber Mulch: A very common practice with widespread use today. Apply fiber mulch by means of a hydroseeder at a rate of 500-750 lbs./acre over top of straw mulch or hay. It has an added benefit of providing additional mulch to the newly seeded area. 3. Liquid mulch binders: Application of liquid mulch binders and tackifiers should be heaviest at edges of areas and at crests of ridges and banks, to prevent displacement. The remainder of the area should have binder applied uniformly. Binders may be applied after mulch is spread or may be sprayed into the mulch as it is being blown onto the soil. The following types of binders may be used: a. Synthetic binders - Formulated binders or organically formulated products may be used as recommended by the manufacturer to anchor mulch. * b. A Rho - Any type of asphalt thin enough to be blown from spray equipment is satisfactory. Recommended for use are rapid curing (RC-70, RC-250, RC-800), medium curing (MC-250, MC-800) and emulsified asphalt (SS-1, CSS-1, CMS-2, MS-2, RS-1, RS-2, CRS-1, and CRS-2). Apply asphalt at 0.10 gallon per square yard (10 gal./1000 sq. ft. or 430 gal./acre). Do not use heavier applications as it may cause the straw to "perch" over rills. All asphalt designations are from the Asphalt Institute Specifications. * Note: This particular method is not used as commonly today as it once was in the past. The development of hydraulic seeding equipment promoted the industry MINIMUM TOP WIDTH (W) REQUIRED FOR SEDIMENT TRAP EMBANKMENTS ACCORDING TO HEIGHT OF EMBANKMENT (FEET) SOURCE: VA. DSWC H HO W 1.5 0.5 2.0 2.0 1.0 2.0 2.5 1.5 2.5 3.0 2.0 2.5 3.5 2.5 3.0 4.0 3.0 3.0 4.5 3.5 4.0 5.0 4.0 4.5 ORIGINAL GROUND ELEV. PLATE. 3.13 -1 SOURCE: VA. DSWC PLATE. 3.14-2 ,• vAHwelE 0 BIGIN4 VPAIFBIE ,B ND EI 1n �CU.roJACRE ' I VaAIPB E N 0 CU. roJACRE (EK VATED) a•MP%. NLTER CLOH GROUORIGIN4 ND EV 'SEE PIAlE3.111 "GOPASEAGCREG4 GV SI RIPW CROSS SECTION OF OUTLET CI IRIPW LENGTH pN EEED ONAC) N4CE PAFA PNA ) \� DIVERSION DIKE AGfREGSTE\ / EKCAVATED / qHL E CLO AREA f..SEAGGREGA SH BEVDOTi3,Y3570AY5 OUTLET (PERSPECTIVE VIEW) 8TEMPORARY SEDIMENT TRAP NOT ro scA'F 3.13-2 U U 0 Z 0 Qo Ir W y d Z N N rn 2 W OO vo UQ W N O O o U aU_o2 J Z W � (n Z U U J IT 00 CO J � O CO C 0 LU Z w 0 LLz o�zY Oj 000 or a jr(0 W ir a Q M Q U rn U C) z 0 IL tr � Z 0 W rn Z 0 0 U Fn ir a w w m � U U co N ILL I- O] Q w o W N 0 z r DRAFTER: CCM DESIGNER: CCM PRODUCTION• � 4�P OP `f�c 0 C hn Ch�istoprtier-C�-Cilu I an Lic. No. Q� 031672 4 POFESS Z O N A L glyGl�4, J _J W O a Q > W V V Q O Q J W OOT-� M J W W T z O W U Q �Q Z W O W Q JgLLJ Z J °6 O 0 M O U) O Z � DATE: 20 FEB. 23 SCALE: - JOB: 20.1674 W PO: SHEET: 6 OF 6