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Home My WebLink AboutWPO202000014 VSMP - SWPPP 2020-09-15Stormwater Pollution Prevention Plan (SWPPP) Project Name: Avon Industrial Park Address: Coordinates 37.98881.-77.504459 Il AtIMOat7.7 Prepared by: Shimp Engineering P.C. Prepared for: Avon Industrial Park SWPPP Preparation Date: 04/15/2020 (This document is to be made publicly available according to 9VAC25-880-70, Part 11, section D) APPROVED by the Albemarle County Community Development Department Date 4/28/20 File WPO902000014 CONTENTS: 1. Registration statement 2. Notice of general permit coverage 3. Nature of activity 4. Erosion and Sediment Control Plan. 5. Stormwater Management Plan 6. Pollution Prevention Plan. 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. 8. Qualified personnel 9. Signed Certification 10. Delegation of authority. 11. General permit copy 12. Inspection logs Section 1. Registration statement 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. K NEW PERMIT ISSUANCE (CHOOSE ONE) ❑ MODIFICATION WITH ACREAGE INCREASE ❑ MODIFICATION WITHOUT ACREAGE INCREASE ❑ EXISTING PERMIT RE -ISSUANCE Section 1. Operator/Permittee Information. A. Construction Activity Operator (Permittee). The person or entity that is applying for permit coverage and will have operational control over construction activities to ensure compliance with the general permit. A person with signatory authority for this operator must sign the certification in Section VI. (per Part III. K. of the VAR10 Permit). Operator Name: IDLtail e An.,k) Contact person: C7�A ape, Raw.) Address: qn�+—Lei�lti W2u City, State Zip Code: rl� ��gy O iyA� Phone Number: 3N_!�sr, Primary Email: J-44144 rk�r &�, Cow, CC Email: B. Billing Information (leave blank if same as the Operator identified in Section I. A. above). This entity will receive Annual Permit Maintenance and Permit Modification Fee invoices (if applicable). Name: Contact Person: Address: City, State Zip Code: Phone Number: Primary Email: CC Email: C. May we transmit correspondence electronically? You must choose YES and include a valid email in order to pay by credit card and to receive your permit coverage approval letter via email: YES K NO ❑ Section II. Construction Activity Location Information. Project site information. A. Include a site map showing the location of the existing or proposed land -disturbing activities, the limits of land disturbance, construction entrances and all water bodies receiving stormwater discharges from the site. B. Construction Activity Name: Address: Igoe — lj� V s..+,.s Pope} (gn City and/or County and Zip Code: ��\oTf eS.i.,�o . VA 29.9 02 Latitude and Longitude (6-digit, decimal degrees format): 3 _ q BIT=� Cly q q 5q C. Construction Activity Entrance Location (description, street address and/or latitude/longitude in decimal degrees): 37 l i D U% —7 L 50 y 3 b/2 Rev 01/2020 PAGE 1 1 6 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 Section III. Offsite Support Activity Location Information. List all offsite support activities to be included under this permit registration. Enter additional areas on a separate page. Offsite areas not included on this registration will need to obtain coverage under a separate VPDES permit. A. Offsite Activity Name: Address: City and/or County and Zip Code: Latitude and Longitude (6-digit, decimal degrees format): B. Offsite Activity Entrance Location (description, street address and/or latitude/longitude in decimal degrees): Section IV. Site Information. A. Property Owner Status: B. Nature of the Construction Activity Description (i.e. commercial, industrial, residential, agricultural, environmental): C. Municipal Separate Storm Sewer System (MS4) name(s) (if the site is discharging to a MS4): FEDERAL ❑ STATE ❑ PUBLIC ❑ PRIVATE Nr c o nvn.e-rr U i D. Acreage totals for all land -disturbing activities to be included under this permit coverage. Report to the nearest one -hundredth of an acre. Total land area of development (including the entire area to be disturbed as approved in the Stormwater 0,61 ac Management Plan): Primary estimated area to be disturbed (portions with 0-6� AC Erosion and Sediment Control Plan approval only): Offsite estimated area to be disturbed (if applicable): E. Estimated Project Dates (M M/D D/YYYY) Start date: 06/01/20,20 Completion date: 0 6 10 (12021 F. Is this construction activity part of a common plan of development or sale? YES ❑ NO CR G. 6th Order Hydrologic Unit Code (HUC) and Receiving Water Name(s). Attach a separate list if needed HUC RECEIVING WATERBODY(S) 02o�a2bq 04OR I SM5AooYeS Cme Section V. Other Information. A. A stormwater pollution prevention plan (SWPPP) must be prepared in accordance with the requirements of the General VPDES Permit for Discharges of Stormwater from Construction Activities prior to submitting the Registration Statement. By signing the Registration Statement, the operator is certifying that the SWPPP has been prepared. B. Has an Erosion and Sediment Control Plan been submitted to the VESC Authority for review? YES 23 NO ❑ Erosion and Sediment Control Plan Approval Date (for estimated area to be disturbed).: C. Has land disturbance has commenced? YES © NO X D. Annual Standards and Specifications. If this project is utilizing approved Annual Standards and Specifications (AS&S), attach the completed AS&S Entity Form. AS&S Entity Name (if different from the Operator identified in Section II. A.): jV1A Rev 01/2020 PAGE 2 16 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 Section VI. Certification. A person representing the operator as identified in Section I. A. and meeting the requirements of 9VAC25-880-70. Part III. K must physically sign this certification. A typed signature Is not acceptable. Please note that operator is defined in 9VAC25-870-10 as follows: "Operator" means the owner or operator of any facility or activity subject to the Act and this chapter. In the context of 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: fi) 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 Ill. K. Signatory Requirements. Registration Statement. All Registration Statements shall be signed as follows: a. For a corporation: by a responsible corporate officer. For the purpose of this chapter, a responsible corporate officer means: (i) a president; secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy -making or decision -making functions for the corporation; or (ii) the manager of one or more manufacturing, production, or operating facilities, provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capitol 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 forstate permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures, b. For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or c. For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official. For purposes of this chapter, a principal executive officer of a public agency includes: (i) the chief executive officer of the agency or (ii) a senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. Certification: "I certify under penalty of law that I have read and understand this Registration Statement and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my knowledge and belief true, accurate, and complete. 1 am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment for knowing violations." Printed Name: ,s 01A o.al Signature (signed In ink):��' Date Signed: �Z , 2 B' 20 ) V Section VII. 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: If the locality is the VSMP Authority, please send to: Department of Environmental Quality Office of Stormwater Management Suite 1400 PO Box 1105 Richmond VA 23218 constructionga@deu.virginia.gov 'he Local VSMP Rev 01/2020 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 ll, section C.) Section 3. Nature of activity THIS IS EQUIVALENT TO A LINEAR DEVELOPMENT PROJECT AND THE LAND DISTURBANCE WILL NOT CHANGE FROM PRE DEVOLVEMENT TO POST DEVELOPMENT. PROJECT DESCRIPTION THE SITE CURRENTLY IS AN INDUSTRIAL PARK WITH 9 (NINE) BUILDINGS, GRAVEL AND PAVED PARKING AND ROAD, AND GRASSED AND TREES. THIS PROJECT PROPOSES A PRIVATE ROAD AS WELLAS WATER AND SEWER UTILITIES TO ACCOMMODATE THE BUILDINGS. THERE WILL BE TEMPORARY SEEDING, PERMANENT SEEDING, AND MULCHING AS A PART OF THE EROSION CONTROL. THE PROJECT INVOLVES THE FOLLOWING WORK ACTIVITIES: 1. THE CONTRACTOR SHALL OBTAIN ALL LOCAL AND STATE EROSION AND SEDIMENT PERMITTING REQUIREMENTS AND MAINTAIN ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS. 2. INSTALLATION OF TEMPORARY AND PERMANENT EROSION AS SHOWN ON THE PLAN AND DETAILS. EXISTING SITE CONDITIONS THE SITE IS CURRENTLY AN INDUSTRIAL PARK WITH 9 (NINE) BUILDINGS, GRAVEL AND PAVED PARKING AND ROAD, AND GRASSED AND TREES. ADJACENT PROPERTIES THE SITE IS BOUNDED BY AVON STREET EXT. FROM THE NORTH WEST, SOUTH WEST AND THE WEST SIDE. IN THE NORTH EAST SIDE, THE PROPERTY IS BOUNDED BY AN INDUSTRIAL PARK. THE SOUTH EAST CORNER AND THE EAST SIDE IS BOUNDED BY WOODS WHILE THE SOUTH SIDE IS BOUNDED BY AN AUTO DETAILING STORE. OFF -SITE AREAS THERE ARE NO OFFSITE ACTIVITIES. SOILS THE SITE IS COMPRISED OF: 1- 5813-Myersville silt loam, 2 to 7 percent slopes, HSG: B 2- 58C-Myersville silt loam, 7 to 15 percent slopes, HSG: B 3- 58D-Myersville silt loam, 15 to 25 percent slopes, 12 TO 20 PERCENT SLOPES, HSG: B CRITICAL EROSION AREAS THERE ARE NO CRITICAL AREAS ON THIS SITE. Section 4. Erosion and Sediment Control Plan. VSMP PLAN LEGEND EXISTING NEW DESCRIPTION BENCHMARK SITE PROPERTY LINE ADJACENT PROPERTY LINE -------------- VACATED PROPERTY LINE BUILDING SETBACK PARKING SETBACK ACCESS EASEMENT 10 10 PARKING COUNT 1.00' DIMENIONS GRADING EASEMENT ---310--- 10 INDEX CONTOUR ------ 310----- 1 INTERVALCONTOUR 311.5 x 1 0 0 X SPOT EVELVATION 311.5 TC x 57°1X TOP OF CURB ELEVATION 311.5 TW x 5- 1X TOP OF WALL ELEVATION 311.5 B W x 5rx' BOTTOM OF WALL ELEVATION RETAINING WALL STAIRS BUILDING ROAD -EDGE OF PAVEMENT ROAD- CENTERLINE ROAD -FRONT OF CURB ROAD BACK OF CURB CG-2 STANDARD 6" CURB CG-6 STANDARD 6" CURB AND GUTTER /7N CG-12 STANDARD ACCESS RAMP SIDEWALK BF�] BIKE PARKING PARKING SURFACE CROSSWALK HANDICAP ACCESSIBLE AISLE r� HANDICAP PARKING L w.r 0 CONCRETEIPAVEMENT-SIDEWALK L� RIPRAP 0 ASPHALT 0 GRASS 0 EC-3 MATTING 0 EC-2 MATTING WETLAND TREELINE X X FENCE STREAM UTILITY EASEMENT -0- UTILITY POLE -0- LIGHT POLE ------- OVERHEAD UTILITY m OVERHEAD UTILITY GUY j, MANHOLE STORM LINE RD RD ROOF DRAIN DRAIN INLET DRAINAGE EASEMENT STORM DRAINAGE EASEMENT S SEWER LINE S S SANITARY EASEMENT W W WATER LINE 0 o WATER METER 'wv OW WATER VALVE AND BOX O ® FIRE HYDRANT WATER EASEMENT GAS GAS - GAS LINE OWNER/DEVELOPER R. D. P. D. LLC 905 LEIGH WAY CHARLOTTESVILLE VA, 22901 ZONING LI - Light Industrial - industrial, office, and limited commercial uses (no residential use). Property subject to SP200100046 and SP 200400028. Entrance corridor overlay district. Steep slopes overlay district. DISTRICT Scottsville SOURCE OF TITLE DB 3508-160. DB 657-234 Plat SOURCE OF BOUNDARY AND TOPOGRAPHY Boundary and Topographic Information is provided by Roger W. Ray & Assoc.,INC. BENCHMARK Datum for topography is NAVD 1988 FLOODZONE FEMA flood insurance rate map (community panel 51003C0407D), effective date February 4, 2005 shows this property is not within zone AE and no portion of the property lies within the 100-year flood plain. RESERVOIR WATERSHED This site is within the Moores Creek Watershed. This site is not within a watershed of a public water supply. GENERAL CONSTRUCTION NOTES 1. Prior to any construction within any existing right-of-way, including connection to any existing road, a permit shall be obtained from the Virginia Department of Transit (VDOT). This plan as drawn may not accurately reflect the requirements of the permit.Where any discrepancies occur the requirements of the permit shall govern. 2. All materials and construction methods shall conform to the current specifications and standards of VDOT unless otherwise noted. 3. Erosion and siltation control measures shall be provided in accordance with the approved erosion control plan and shall be installed prior to any clearing, grading or other construction. 4. All slopes and disturbed areas are to be fertilized, seeded and mulched. 5. The maximum allowable slope is 2:1 (horizontle:vertical). Where reasonably obtainable, lesser slopes of 3:1 or better are to be acheived. 6. Paved, rip -rap or stabilization amt lined ditch may be required when in the opinion of the County Engineer or designee it is deemed necessary in order to stabilize a drainage channel. 7. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic Control Devices. 8. Unless othrewise noted all concrete pipe shall be reinforced concrete pipe - Class III. 9. All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part 1926). GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS 1. The plan approving authority must be notified one week prior to the pre -construction conference, one week prior to the commencement of land disturbing activity, and one week prior to the final inspection. 2. All erosion and sediment control measures will be constructed and maintained according to minimum standards and specifications of the Virginia Erosion and Sediment Control Handbook and Virginia Regulations VR 625-02-00 Erosion and Sediment Control Regulations. 3. All erosion and sediment control measures are to be placed prior to or as the first step in clearing. 4. A copy of the approved erosion and sediment control plan shall be maintained on the site at all times. 5. Prior to commencing land disturbing activities in areas other than indicated on these plans (including, but not limited to, off -site 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. 6. 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. 7. All disturbed areas are to drain to approved sediment control measures at all times during land disturbing activities and during site development until final stabilization is achieved. 8. During dewatering operations, water will be pumped into an approved filtering device. 9. The contractor shall inspect all erosion control measures periodically and after each runoff producing rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of the erosion control devices shall be made immediately. 10. All fill material to be taken from an approved, designated borrow area. 11. All waste materials shall be taken to an approved waste area. Earth fill shall be inert materials only, free of roots, stumps, wood, rubbish, and other debris. 12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning Ordinance section 5.1.28. 13. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle. 14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of 7:00am to 9:00pm. 15. Borrow, fill or waste activity shall be conducted in a safe manner that maintains lateral support, or order to minimize any hazard to persons, physical damage to adjacent land and improvements, and damage to any public street because o slides, sinking, or collapse. 16. The developer shall reserve the right to install, maintain, remove or convert to permanent stormwater management facilities where applicable all erosion control measures required by this plan regardless of the sale of any lot, unit, building or other portion of the property. 17. Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75 Ibs/acre, and in the months of September to February to consist a 50/50 mix of Annual Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion control inspector. 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the top 4-6 inches of soil. Fertilizer shall be applied at 1000lbs/acre and consist of a 10-20-10 nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or Tall Fescue and 0-5% Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion control inspector. 19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to structural measures is to be repaired immediately. Silt traps are to be cleaned when 50% of the wet storage volume is filled with sediment. All seeded areas are to be reseeded when necessary to achieve a good stand of grass. Silt fence and diversion dykes which are collecting sediment to half their height must be cleaned and repaired immediately. 20. All temporary erosion and sediment control measures are to be removed within 30 days of final site stabilization, when measures are no longer needed, subject to approval by the County erosion control inspector. 21. This plan shall be void if the owner does not obtain a permit within 1 year of the date of approval. (Water Protection Ordinance section 17-204G.) 22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the land disturbing activity commenced. (Water Protection Ordinance section 17-207B) AVON I EXISTING USE Industrial Park PROPOSED USE Industrial Park. 9 Buildings to separate parcels. SF AC NDUSTRIAL PARK TAX MAP 90. PARCEL 35 Lot 1 = 26,440.92 0.607 7.4 % Lot 2 = 26,440.92 0.607 7.4 % Lot 3 = 26,484.48 0.608 7.4 % Lot 4 = 24, 524.28 0.563 6.9 % Lot 5 = 14,505.48 0.333 4.1 % Lot 6 = 18,033.84 0.414 5.1 % Lot 7 = 17,990.28 0.413 5.1 % Lot 8 = 17,990.28 0.413 5.1 % Lot 9 = 183,213.36 4.206 51.5 % TOTAL 355,623.84 8.164 100% GENERAL NOTES 1. The information and data shown or indicated with respect to the existing underground utilities at or contiguous to the site are based on information and data furnished to the owner and engineer by the owners of such underground facilities or others. The owner or engineer shall not be responsible for the accuracy or completeness of such information or data. The contractor shall have full responsibility for confirming the accuracy of the data for locating all underground utilities for P ty 9 Y . 9 9 coordination of the work with owners of such underground utilities during construction, for the safety and protection thereof and repairing any damage thereto resulting from the work. All of these conditions shall be met at no additional cost to the owner. The contractor shall contact "Miss Utilities" of Virginia at 1-800-552-7001 prior to the start of work. 2. When working adjacent to existing structures, poles, etc., the contractor shall use whatever methods that are necessary to protect structures from damage. Replacement of damaged structures shall be at the contractor's expense. 3. The contractor shall be responsible for protecting all existing site structures from damage and coordinating work so that the owner can make necessary arrangements to modify/protect existing structures from damages. 4. The contractor shall be responsible for notifying all utility owners, adjacent land owners whose property may be impacted and the Virginia Department of Transportation prior to completing any off -site work. 5. Contractor shall notify and coordinate all work involving existing utilities with utility owners, at least 72 hours prior to the start of construction. 6. Contractor shall immediately report any discrepancies between existing conditions and contract documents to the owner and engineer. 7. Contractor shall submit for the approval of the owner submittals of all specified materials listed in the plans, to include shop drawings, manufacturer's specifications and laboratory reports. the owner's approval of submittals will be general and will not relieve the the contractor from the responsibility of adherence to the contract and for any error that may exist. 8. All bare areas shall be scarified, limed, fertilized, seeded and mulched. 9. All trees, saplings, brush, etc. shall be removed from within the right of way and the drainage easements. 10. Visibility of all mechanical equipment from the Entrance Corridor shall be eliminated. 11.Retaining walls require separate building permits. 12. All water service lines sanitarylaterals and sprinkler lines must be visual) inspected b the Albemarle County Building P Y P Y tY 9 Department from the main to the structure. 13. ALL water lines, sewer lines, and fire lines from the main to the structure MUST have a visual inspection preformed by the building department. GENERAL PRELIMINARY SUBDIVISION NOTES 1. This property does not lie in a dam break inundation zone. 2. There are no known places of burial in the property. 3. This property is not within an Albermale County and/or City of Charlottesville water supply watershed or an agricultural -forestal district. 4. This property does not lie within a stream buffer(s). "SNOW STORAGE YARD" SP 200400028 NOTES 1. All buildings covered with light gray siding. 2. Light on side of entrance of entrance door to back buildings. 3. All fences visible from Avon Street shall be 8' high wood fence. 4. All mechanical equipment & dumpsters will be in screened lots. 5. No stored items greater than 8' in height will be allowed in the front 8 lots or the southernmost lot in the back row. 6. Two loading areas provided as by code and for use of tenants in loading and unloading supplies, equipment, etc. 7. 2 inch depression around all drainage drop inlets. ALBEMARLE COUNTY, VIRGINIA 1VAMILlIkvaIT, /_1' MOSBY 11/9 rN MOUNTAIN MILL CREEK C R E E K M I L L © Monticell Sc JrPIP A!jC,0,p m LYMAN HILL LA EYNOVIA F, pa y�95 Snow Point Lane t AVON PARK BrookbJl Farm Q 1_ map provlaea Dy uoogle.com SHEET INDEX: 6 SHEETS C1 COVER SHEET C2 EXISTING CONDITIONS C3 SITE LAYOUT C4 VSMP-EROSION CONTROL NARRATIVE C5 VSMP-EROSION CONTROL PLAN C6 VSMP-EROSION DETAILS SHIMP ENGINEERIN G1 LAND PLANNING - PROJECT MANAGEMENT 912 E HIGH ST. 434.227.5140 CHARLOTTESVILLE VA 22902 JUSTIN@SHIMP-ENGINEERING.COM Z3 J� S183 1c. N . 45183ed 1�`sSjONAL �� LTAREMANI = AVON INDUSTRIAL PARK ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 2020.03.05 REVISION: 1. 2020.04.15 2. 3. 4. 5. FILE NO. COVER SHEET 19.022 SHEET 01 of C6 C1 RONI SET 1 N27'01'38"E 115.00 T.M.90-28 z STANLEY MARTIN COMPANIES D.B. 5207-571 LOPES GIS EDGE -OF PAVEMEN A--9*52'06" STATE ROUTE 742 --- AVON STREET EXT - -- - -- - - --- - 50 FT ROW ------- APPROXIMATE 646 ---- L=135 81 WALKWAY VEGETATION LINE - N — - . o"'- — CB=N20'48'56"E - ---- -- ------- CURB & GUTTER TER CURB & GUT C=135.64 - - - - - - - - — - - - — - - - - - IRON Fou - ---- ------------ --------------- - --- --- - - ------- ------ -- ------- --- ki5; 44'59"E 384.98 --- - --- ----- -- H ... - ------ - ... UP up UP -- - - 9 i - I N --- ---- ---------- ) I 7�B mft� SIGN ------- -- SIGN 0 ------ - - SIGN SIGN GUY TP, - �V:I�NIA 'ELEC , IC AND �PO�W�E-R COC"O -- ----- - 0 0 ..0 414- 95S VARIABLE WIDTH 0 - - - - - - - - - - - - - ---- " . I (VARIABLE EASEMENT --- ---- AC --- 9 20'SANITARY SEWER EASEMEtF.5- /ROCKS 913 9 7' (D.B. 3273-315, 320 PLAT) (D.B-2947-484, 486 GRAVEL - H -- GIN 5- LATERAI PLAT) - -------- -- SANITARY GRAVEL ------- 11 =636.5E PAVED SNOW POINT LN ...... ...... WALK WAL WV WV — — — — — — — -";FZKVEL Ell — , 0-8' COT� WV co WV CO \ -CO 9. GRAVEL I 1 631.21 FENCE 10 = 631.08 i EDGE OF EXISTING EXISTING EXISTING EXISTING CONCRETE STORY KNOX STORY HP D STORY STORY AVE /EDGE OF BLOCK KNOX FRAME KNOX FRAME KNOX FRAME 0 HP ----�APPROXIMATE CONCRETE WALL Box FRAME BOX Box BOX LOCATION 4" D PVC LATERAL HP�- 0HP P --EXy�j'HP I I EXISTING UTE PR PR;V SANIjA1,1Y1 MBA r LINE 1 P. f GRAVEL I PAVEMENT & PAVEMENT PAVEMENT (2) GRAVEL I +GRAVEL I KNOX 13OX EXISTING I STORY FRAME (201 EXISTING 1 STORY FRAME HP 6 'bHp PAVEMENT& GRAVEL 12D 20'WATERLINE EASEMENT 3273-308,313 PLAT) --oSANITARY MANHOLE TOP=638.55 11=629.51 10=629.23 20'SANITARY SEWER EASEMENT (D.B. 3273-301, 306 PLAT) HH- HIP HP HP -B 13 B B PAVEMENT 8� T.M. 90-35Y .2' 7 .3' PAVEMENT & 81.2' PAVEMENT & I L.6 A' GRA ; VEI PARCELA SHIMP GRAVEL GRAVEL D] SNOWS INC. D.B. 664-772,774 ENGINEERING� - 3 � LAND PLANNING - PROJECT MANAGEMENT METAL- PLAT C BU�LDING ---- 2) 912 E HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM m MANAGE SLOPES� GIS F3 PT PARCEL ic. N .45183 D., LLC D.B. 3508-160 ed e-D# 65 4- APPROXIMATE : LOCATION OF LEASE I[GRAVEL AREA & VARIABLE WIDTH ACCESS/UTIUTY EASEMENT APPROXIMATE LOCATION OF 20' MANAGED D.S. 4535-589 & i ACCESS & UTILITY EASEMENT TO SLOPES D.B. 4429-469,481 MAP) NEW CNGULAR WIRELESS PCS, GIS CELL FALL ZONE r LLC TOWER EASEMENT (D.B.3981 74,83 PLAT) In R 39B4,91 VSMP PLAN AVON INDUSTRIAL PARK ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 2020.03.05 REVISION: 1. 2020.04.15 2. 3. 4. 5. FILE NO. 19.022 � SLOPES GIS .b4� _ _ w w w—w w— ------ w w—w—w_ w � ---- 6 .�20'WATERLINE EASEMENT ---- � -308 313 PL AT) (DB 3273—--— - ------ -f ------- - --- __ '—:—�s—c+s—c,:_ �=ws—cns—cns—ems—we—c-=—ems _...r.. ------- - ---- -- - 64 — ---- ------ -------- --------- % \ ------ - Y. 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EASEMENT (D.B.3981-74, 83 PLAT) 19.022 o D.B. 3969-125 x SITE LAYOUT 0*0 SHEET C3 of C6 30 0 30 60 90 Scale: 1" 30' PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTI PROJECT DESCRIPTION THE SITE CURRENTLY IS AN INDUSTRIAL PARK WITH 9 (NINE) BUILDINGS, GRAVEL AND PAVED PARKING AND ROAD, AND GRASSED AND TREES. THIS PROJECT PROPOSES A PRIVATE ROAD AS WELL AS WATER AND SEWER UTILITIES TO ACCOMMODATE THE BUILDINGS. THERE WILL BE TEMPORARY SEEDING, PERMANENT SEEDING, AND MULCHING AS A PART OF THE EROSION CONTROL. THE TOTAL AREA OF DISTURBANCE IS 0.61 ACRES. THE PROJECT INVOLVES THE FOLLOWING WORK ACTIVITIES: 1. THE CONTRACTOR SHALL OBTAIN ALL LOCAL AND STATE EROSION AND SEDIMENT PERMITTING REQUIREMENTS AND MAINTAIN ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS. 2. INSTALLATION OF TEMPORARY AND PERMANENT EROSION AS SHOWN ON THE PLAN AND DETAILS. EXISTING SITE CONDITIONS AN INDUSTRIAL PARK WITH 9 (NINE) BUILDINGS, GRAVEL AND PAVED PARKING AND ROAD, AND GRASSED AND TREES. ADJACENT PROPERTIES THE SITE IS BOUNDED BY AVON STREET EXT. FROM THE NORTH WEST, SOUTH WEST AND THE WEST SIDE. IN THE NORTH EAST SIDE, THE PROPERTY IS BOUNDED BY AN INDUSTRIAL PARK. THE SOUTH EAST CORNER AND THE EAST SIDE IS BOUNDED BY WOODS WHILE THE SOUTH SIDE IS BOUNDED BY AN AUTO DETAILING STORE. OFF -SITE AREAS THERE ARE NO OFFSITE ACTIVITIES. SOILS THE SITE IS COMPRISED OF: 1- 58B-Myersville silt loom, 2 to 7 percent slopes, HSG: B 2- 58C-Myersville silt loam, 7 to 15 percent slopes, HSG: B 3- 58D-Myersville silt loam, 15 to 25 percent slopes, 12 TO 20 PERCENT SLOPES, HSG: B CRITICAL EROSION AREAS II.I��sl��►[�ZN:irINlL�1:i�[.i�L�P.I[.Yclll� EROSION & SEDIMENT CONTROLS UNLESS OTHERWISE INDICATED, ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO THE MINIMUM STANDARDS AND SPECIFICATIONS AS SET FORTH IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, LATEST EDITION. THE MINIMUM STANDARDS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL REGULATIONS SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY VARIANCE. TEMPORARY CONSTRUCTION ENTRANCE (CE) - 3.02 A STONE PAD WILL BE CONSTRUCTED AT THE ENTRANCE THE SITE TO PROVIDE A MEANS OF REMOVING SEDIMENT FROM THE TIRES OF CONSTRUCTION VEHICLES LEAVING THE WORK SITE. THE CONTRACTOR SHALL REMOVE ANY MUD FROM THE EXISTING ROAD SURFACE BY MEANS OF SWEEPING AND SHOVELING. CONSTRUCTION ROAD STABILIZATION: TEMPORARY STABILIZATION WITH STONE OF ACCESS ROADS, SUBDIVISION STREETS, PARKING AREAS, AND OTHER TRAFFIC AREAS IMMEDIATELY AFTER GRADING TO REDUCE EROSION CAUSED BY VEHICLES DURING WET WEATHER, AND TO PREVENT HAVING TO REGRADE PERMANENT ROADBEDS BETWEEN INITIAL GRADING AND FINAL STABILIZATION. STD. AND SPEC. 3.03. STORM DRAIN INLET PROTECTION (IP) - 3.07 THE INSTALLATION OF VARIOUS KINDS OF SEDIMENT TRAPPING MEASURES AROUND DROP INLETS OR CURB INLET STRUCTURES PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA; LIMITED TO DRAINAGE AREAS NOT EXCEEDING ONE ACRE, AND NOT INTENDED TO CONTROL LARGE, CONCENTRATED STORMWATER FLOWS. STD. AND SPEC. 3.07. SILT FENCE (SF) - 3.05 SILT FENCING WILL BE INSTALLED AS A FIRST STEP IN CONSTRUCTION ACTIVITIES. LOCATION AND DETAILS ARE SHOWN ON THE PLANS. TEMPORARY SEEDING (TS) - 3.31 TEMPORARY SEEDING SHALL BE APPLIED TO ALL DENUDED AREAS WITHIN SEVEN (7) DAYS TO DENUDED AREAS THAT MAY OR MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 14 DAYS. TEMPORARY SEEDING SHALL BE APPLIED IN CONFORMANCE WITH STD. AND SPEC. 3.31. PERMANENT STABILIZATION OUTLET PROTECTION - 3.18 THE INSTALLATION OF RIPRAP CHANNEL SECTIONS AND/OR STILLING BASINS BELOW STORM DRAIN OUTLETS TO REDUCE EROSION AND UNDER -CUTTING FROM SCOURING AT OUTLETS AND TO REDUCE FLOW VELOCITIES BEFORE STORMWATER ENTERS RECEIVING CHANNELS BELOW THESE OUTLETS. PERMANENT SEEDING (PS) - 3.32 A PERENNIAL VEGETATIVE COVERING SHALL BE ESTABLISHED ON DISTURBED AREAS WITHIN 7 DAYS OF BEING BROUGHT TO FINAL GRADE ON AREAS NOT OTHERWISE PROTECTED. SELECTION OF THE SEED MIXTURE SHALL DEPEND ON THE TIME OF YEAR IT IS TO BE APPLIED ACCORDING TO THE PERMANENT SEED SCHEDULE AS SHOWN ON THE DRAWING. SEEDED AREAS SHALL BE LIMED WHEN NECESSARY AT A RATE OF 2 TONS PER ACRES, AND FERTILIZED AT A RATE OF 1,000 LBS. PER ACRE OF 10-20-10 (10 LBS. PER 1,000 SQUARE FEET) OR EQUIVALENT. MULCHING (MU) - 3.35 ALL SEEDED AREAS SHALL BE MULCHED WITH STRAW IMMEDIATELY FOLLOWING SEEDING OPERATIONS. STRAW MULCH SHALL BE APPLIED AT A RATE OF TWO TONS PER ACRE. SOIL STABILIZATION BLANKETS AND MATTING - 3.36 SOIL STABILIZATION MATTING SHALL BE APPLIED IN THE CONVEYANCE AREAS OF THE DESIGNED DIVERSIONS TO HELP REDUCE VELOCITIES AND AID IN THE ESTABLISHMENT OF VEGETATION. A DETAIL SHOWING THE PROPER MATERIALS AND INSTALLATION IS SHOWN ON THE PLAN. EROSION & SEDIMENT CONTROL NOTES: 1. ALL VEGETATIVE AND STRUCTURAL EROSION & SEDIMENT CONTROL (E&S) PRACTICES WILL BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE MINIMUM SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATION 9VAC25-840-40. 2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO COMMENCEMENT OF LAND DISTURBING ACTIVITY AND ONE WEEK PRIOR TO FINAL INSPECTION. THIS REQUIREMENT CAN BE WAIVED AT THE DISCRETION OF THE PLAN APPROVING AUTHORITY. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ONSITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTRY EROSION AND SEDIMENT CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN REVIEWING AUTHORTY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION AND SEDIMENT CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN REVIEWING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABALIZATION IS ACHEIVED. 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALY AND AFTER EACH RUN-OFF PRODUCING STORM EVENT. ANY NECESSARY REPARIS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. INSTALL AND MAINTAIN CONSTRUCTION ENTRANCES FOR ENTIRE PROJECT AT ALL LOCATIONS WHERE VEHICLES ENTER/LEAVE THE WORK AREA AND WHERE SOIL IS STOCKPILED. 11. MAINTAIN ALL EROSION AND SEDIMENT CONTROL UNTIL THE COMPLETION OF FINAL STABILIZATION. UNLESS OTHERWISE NOTED ON THE PLANS REMOVE ALL EROSION & SEDIMENT CONTROLS FOLLOWING THE ESTABLISHMENT OF A PERMANENT VEGETATIVE COVER AND COMPLETION OF FINAL STABILIZATION. STORMWATER MANAGEMENT: THERE IS NO REVISION PROPOSED TO THE CURRENT APPROVED STORMWATER MANAGEMENT PLAN. ALTHOUGH PLAN PROPOSES MORE THAN 10,000 SF OF DISTURBANCE THUS TRIGGERING THE NEED FOR AN EROSION CONTROL PLAN NO STORMWATER MANAGEMENT PLAN IS NEEDED BECAUSE THE IMPERVIOUS AREA ON SITE WILL NOT BE INCREASED. MANAGEMENT STRATEGY AND SEQUENCE OF CONSTRUCTION THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED SEQUENCE OF CONSTRUCTION. REQUIRED PERMITS MUST BE IN -HAND BEFORE WORK BEGINS: PHASE 1 1. MAINTAIN EXISTING PAVED ENTRANCE AND USE IT AS A CONSTRUCTION ENTRANCE. 2. INSTALL INLET PROTECTION. PHASE 2 1. CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL OF ALL E&S CONTROL MEASURES. PHASE 3 1. UPON APPROVAL OF E&S CONTROL MEASURES INSTALL UTILITIES AS SHOWN ON THE PLAN SHEETS. PHASE 4 1. ESTABLISH AND MAINTAIN CONSTRUCTION ROAD STABILIZATION, AND PERMANENT STABILIZATION, INCLUDING VEGETATION OF ALL SLOPES AND GRASSED AREAS. REMOVE INLET PROTECTION. CONSTRUCTION MAINTENANCE THE FOLLOWING CONSTRUCTION MAINTENANCE PRACTICES SHALL BE FOLLOWED AT THE SITE. 1. ALL E&S CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAIN EVENT. ALL DEFICIENCIES IDENTIFIED DURING THESE INSPECTIONS SHALL BE CORRECTED AS SOON AS PRACTICABLE. 2. THE SILT FENCE BARRIER SHALL BE REGULARLY CHECKED FOR UNDERMINING, DETERIORATION OR SIGNIFICANT EROSION. SEDIMENT SHALL BE REMOVED AFTER EACH STORM EVENT AND WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHES HALF THE HEIGHT OF THE CONTROL. 2. THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL MAINTENANCE REQUIREMENTS SET FORTH IN THE CURRENT EDITION OF THE VIRGINIA SEDIMENT AND EROSION CONTROL MANUAL, OTHER APPLICABLE COMMONWEALTH OF VIRGINIA REGULATIONS AND THE PROJECT SPECIFICATIONS. 3. ALL SEEDED AREAS WILL BE REGULARLY CHECKED TO ENSURE THAT A GOOD STAND OF GRASS IS MAINTAINED. 5. AREAS WITH RIP -RAP SHOULD BE REGULARLY INSPECTED TO DETERMINE IF HIGH FLOWS HAVE DAMAGED THESE CONTROLS OR CAUSED EXCESSIVE SEDIMENT DEPOSITION. ALL AREAS SHALL BE MAINTAINED IN ACCORDANCE WITH THE REQUIREMENTS OF THIS E&S CONTROL PLAN. ENVIRONMENTAL CONTROLS 1. CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL ENVIRONMENTAL CONTROL MEASURES SO AS TO COMPLY WITH LOCAL ORDINANCES, STATE AND FEDERAL LAWS AND REGULATIONS APPLICABLE TO WATER POLLUTION IN WATERS OF THE STATE AND IN INTERSTATE WATERS. 2. CONTRACTOR SHALL MINIMIZE THE POTENTIAL FOR AIR POLLUTION BY THE USE OF EMISSION CONTROL EQUIPMENT ON CONTRACTOR OPERATED EQUIPMENT, SHUT -DOWN OF MOTORIZED EQUIPMENT WHEN NOT IN USE, AND ACTIVELY CONTROLLING DUST EMISSIONS THROUGHOUT THE PROJECT. 3. ANY WASTE DISCOVERED DURING THE PROJECT SHALL NOT BE MOVED WITH OUT PRIOR AUTHORIZATION OF THE OWNER AND BE DIRECT -LOADED INTO COVERED ROLL -OFF CONTAINERS FOR TEMPORARY STORAGE PRIOR TO DISPOSAL IN A PERMITTED LANDFILL. EROSION & SEDIMENT CONTROL PERMITTING 1. STORMWATER MANAGEMENT FOR THIS PROJECT APPROVED UNDER WP02005-16 (PART 2C REGULATIONS) PROPOSED DEVELOPMENT REDUCES IMPERVIOUS AREA BY 1256.5 SF. THEREFORE, REMAINS COMPLIANT WITH THE PRIOR APPROVED STORMWATER MANAGEMENT PLAN. NOTE: THE INSPECTOR MAY REQUIRE ADDITIONAL MEASURES DEPENDING ON SITE CONDITIONS. MINIMUM STANDARDS (MS) All applicable Virginia Erosion and Sediment Control Regulations and Minimum Standards shall be adhered to during all phases of construction. These include, but are not limited to the following: 1. STABLIZATION OF DENUDED AREAS: Permanent or temporary soil stabilization shall be applied to bare areas within seven days after final grade is reached on any portion of the site. Temporary soil stabilization shall be applied within seven days to denuded areas that may not be at final grade, but will remain dormant or undisturbed for longer than 7 days. Permanent stabilization shall be applied at areas that are to be left dormant for more than 30 days. 2.STABILIZATION OF SOIL STOCKPILES: During construction of the project, soil stockpiles shall be stabilized or protected with sediment trapping measures. The applicant is responsible for temporary protection and permanent stabilization of all soil stockpiles on site as well as soil intentionally transported from the project site. 3.PERMANENT VEGETATIVE COVER A permanent vegetative cover shall be established on denuded areas not otherwise permanently stabilized. Permanent vegetation shall not be considered established until a ground cover is achieve that, in the opinion of the city Inspector, is uniform and mature enough to survive to inhibit erosion. 4. TIMING & STABILIZATION OF SILT TRAPPING MEASURES: Sediment basins and traps, perimeter dikes, sediment barriers and other measures intended to trap sediment shall be constructed as a first step in any land disturbing activity and shall be mode functional before upslope land disturbance takes place. 5.STABILIZATION OF EARTHEN STRUCTURES: Stabilization measures shall be applied to earthen structures such as dams, dikes and diversions immediately after installation. 5.SEDIMENT TRAPS AND BASINS: A sediment basin shall control surface runoff from disturbed areas that is comprised of flow from drainage areas greater than or equal to three acres. The sediment basin shall be designed and constructed to accommodate the anticipated sediment loading for the land disturbing activity. The outfall device or system device shall take into account the total drainage area flowing through the disturbed area to be served by the basin. 7. CUT AND FILL SLOPES: Cut and fill slopes shall be designed and constructed in a manner that will minimize erosion. Slopes that are found to be eroding excessively within one year of permanent stabilization shall be provided with additional slope stabilizing measures until the problem is corrected. & CONCENTRATED RUN-OFF DOWN CUT OR FILL SLOPES: Concentrated runoff shall not flow down cut or fill slopes unless contained within an adequate temporary or permanent channel, flume, or slope drain structure. 9.WATER SEEPS FROM A SLOPE FACE: Whenever water seeps from a slope face, adequate drainage or other protection shall be provided. 10. STORM SEWER INLET PROTECTION: All storm sewer inlets that are made operable 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. Y 9 11. STABILIZATION OF OUTLETS Before newly constructed stormwater conveyance channels 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. 12. WORK IN LIVE WATERCOURSES: When work in a live watercourse is performed, precautions shall be taken to minimize encroachment, control sediment transport and stabilize the work area to the greatest extent possible during construction. Nonerodible material shall be used for the construction of causeways and cofferdams. Earthen fill may be used for these structures if armored by nonerodible cover materials. 13.CROSSING A LIVE WATERCOURSE: When a live watercourse must be crossed by construction vehicles more than twice in any six month period, a temporary stream crossing constructed of nonerodible materials shall be provided. 14. APPLICABLE REGULATIONS: All applicable federal, state and local regulations pertaining to working in or crossing live watercourses shall be met. 15. STABILIZATION OF BED AND BANKS The bed and banks of a watercourse shall be stabilized immediately after work in the watercourse is completed. 16. UNDERGROUND UTILITIES: Underground utilities shall be installed in accordance with the following standards in addition to other criteria: a.No more than 500 linear feet of trench may be opened at one time. b.Excovated material shall be placed on the uphill side of trenches c.Effluert for dewatering operations shall be filtered or passed through approved sediment trapping device, or both, and discharged in a manner that does not adversely affect flowing streams or offsite property. d.Moteriol used for backfilling trenches shall be properly compacted in order to minimize erosion and promote stabilization. e.Restabilization shall be accomplished in accordance with these regulations. f. Applicable safety regulations shall be complied with. 17. CONSTRUCTION ACCESS ROUTES: Where construction vehicle access routes intersect paved public roads, provisions shall be made to minimize the transport of sediment by vehicular tracking onto paved surfaces. Where sediment is transported on to a public road surface, the road shall be cleaned thoroughly at the end of each day. Sediment shall be removed 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. This provision shall apply to individual lots as well as to larger land disturbing activities. 18.TEMPORARY E&S CONTROL MEASURE REMOVAL: All temporary erosion and sediment control measures shall be removed within 30 days after final site stabilization or after temporary measures are no longer needed, unless otherwise authorized by the local program authority. Trapped sediment and the disturbed soil areas resulting from the disposition of temporary measures shall be permanently stabilized to prevent further erosion and sediment. 19. ADEQUACY OF RECEIVING CHANNELS: Properties and waterways downstream from the development site shall be protected from sediment deposition, erosion and damage, due to increases in volume, velocity and peak flow rates of stormwater runoff for the stated frequency storm of 24-hour duration. S HIMP ENGINEERING LAND PLANNING - PROJECT MANAGEMENT 912 E HIGH ST. 434.227.5140 CHARLOTTESVILLE VA 22902 JUSTIN@SHIMP-ENGINEERING.COM Z3 � . SHIMP � ic. N . 45183 CIA��s A`sSjONAL LW ►I Efflo MEN AVON INDUSTRIAL PARK ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 2020.03.05 REVISION: 1. 2020.04.15 2. 3. 4. 5. FILE NO. EROSION CONTROL NARRATIVE 19.022 SHEET C4 of C6 C4 —G46- ° - ------ --------- ---- - axu— oxu— aw— mu— mu- LIMITS OF DISTURBANCE A = 0.61 AC UP mu— �'—.— W— W—W W w— W—W W—W— ,. 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R c I - s - s— s— b— s— s— s— s— s— s— s s— s— s— s— s— s s— 5— 5 E J - - - - - - - - - - -- — LL� --_-� I F F I - w—w w�J J vv vv ----- y --- a -------- - g -r --- z ---- o`vi�� w �w-w�, �� I (� �UM 11 \v1 14GATE I-& z m r -------.. _ BUILDING DID — - 644 APPROXIMATE LOCATION 4" PVC LATERAL EXISTING CONTRACTOR SHALL ADEQUATELY STABILIZE ALL DISTURBED AREAS ON DAILY BASIS. NOTE: THE INSPECTOR MAY REQUIRE ADDITIONAL MEASURES DEPENDING ON SITE CONDITIONS. SHIMP ENGINEERIN G12. LAND PLANNING - PROJECT MANAGEMENT 912E HIGH ST. 434.227.5140 CHARLOTTESVILLE VA 22902 JUSTIN@SHIMP-ENGINEERING.COM ►3 7ic-N S45183 �'S" 1�`sSjONAL �� VSMP PLAN AVON INDUSTRIAL PARK ALBEMARLE COUNTY, VIRGINIA SUBMISSION: SOIL EROSION & SEDIMENT CONTROL SYMBOLS PT 2020.03.05 N0. TITLE KEY ' " REVISION: 1.2020.04.15 2. 3.02 CONSTRUCTION ENTRANCE 4. x —x —x —x 3.05 SILT FENCE SF I I 5. 3.03 CONSTRUCTION ROAD STABILIZATION CRS I I TS 3.31 TEMPORARY SEEDING TS x- FILE NO. 19.022 PS 3.32 PERMANENT SEEDING PS x x MU 3.35 MULCH MU L X x- EROSION CONTROL PLAN 3.07 INLET PROTECTION P SHEET C5ofC6 LIMITS OF DISTURBANCE LOD 30 0 30 60 90 C5 Scale: 1 "=30' PERMANENT SEEDING SPECIFICATIONS February 16 through April 30: Kentucky 31 Fescue — 128 Ibs/acre; Red Top Grass — 2 Ibs/acre; Annual Rye — 20 Ibs/acre. Add 20 lbs/acre Indian grass when slopes are greater than 3:1. May 1 through August 15: Kentucky 31 Fescue — 128 Ibs/acre; Red Top Grass — 2 Ibs/acre; Foxtail Millet — 20 lbs/acre. Add 20 Ibs/acre Indian grass when slopes are greater than 3:1. August 16 through October 31: Kentucky 31 Fescue — 128 Ibs/acre; Red Top Grass — 2 Ibs/acre; Annual Rye — 20 Ibs/acre. Add 20 Ibs/acre Indian grass on slopes greater than 3:1. November 1 through February 15: Kentucky 31 Fescue — 128 Ibs/acre; Red Top Grass — 2 lbs/acre; Winter Rye — 20 lbs/acre. Add 20 Ibs/acre Indian grass on slopes greater than 3:1. MULCHING SPECIFICATIONS: Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread with mulch blower or by hand. LIME AND FERTILIZER SPECIFICATIONS: Lime and fertilizer needs should be determined by soil tests. Soil tests may be preformed by the Cooperative Extension Service Soil Testing Laboratory at VPI&SU, or by a reputable commercial laboratory. Information concerning the State Soil Testing Laboratory is available from CITY Extension Agents. Under unusual conditions where it is not possible to obtain a soil test, the following soil amendments will be applied: For Permanent Seeding: Seeded areas shall be limed at a rate of 2 tons per acre, and fertilized at a rate of 1,000 lbs. per acre of 10-20-10 (10 lbs. per 1,000 square feet) or equivalent. For Temporary Seeding: Seeded areas shall be limed at a rate of 2 tons per acre, and fertilized at a rate of 600 lbs. per acre of 10-20-10 (10 bs. per 1,000 square feet) or equivalent. 1 C6 Not To Scale 1992 3.35 TABLE 3.35-A ORGANIC MULCH MATERIALS AND APPLICATION RATES RATES: MULCHES: NOTES: Per Acre Per 1000 sq. ft. Straw or Hay 1 h - 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 1500 lbs. winter cover or during hot, dry periods.* Apply as slurry. Corn Stalks 4 - 6 tons 185 - 275 lbs. Cut or shredded in 4-6" lengths. Air-dried. Do not use in fine turf areas. Apply with mulch blower or by hand. NVood Chips 4 - 6 tons 185 - 275 lbs. Free of coarse matter. Air- dried. Treat with 12 lbs 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, cbip 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 2000 lbs./ac. or 45 lbs./1000 sq. ft. Source: Va. DSWC 2 MULCHING MU C6 GRAVEL CURB INLET SEDIMENT FIL TER GRAVEL FILTER - RUNOFF WATER SEDIMENT J / III CONCRETE GUTTER 12 SPECIFIC APPLICATION WIRE MESH FILTERED WATER Imo"' CURB INLET THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED AREAS. * GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE. GRAVEL AND WIRE MESH DROP INLET SEDIMENT FILTER AB" MIN. GRAVEL*(12"MIN. DEPTH) RUNOFF WATER WITH SEDIMENT - Of ri Qp a a _ SEDIMENT - - WIRE MESH FILTERED WATER SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY CONCENTRATED FLOWS ARE EXPECTED BUT NOT WHERE PONDING AROUND THE STRUCTURE MIGHT CAUSE EXCESSIVE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED AREAS. + GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE. SOURCE: VA. DSWC a INLET PROCTION LP) C6 Not To Scale PLATE. 3.07-2 STONE CONSTRUCTION • \ti0\ PROFILE STONE 70' MIN. CONSTRUCTION ASPHALT PAVED ACCESS-- A WASHRACK 2% 2% t27 12" MIN.* *MUST EXTEND FULL WIDTH POSITIVE DRAINAGE OF INGRESS AND EGRESS TO SEDIMENT OPERATION TRAPPING DEVICE PLAN REM 12 FIL F,, - I 27 PAVEMENT EXISTING PAVEMENT SITIVE DRAINAGE SEDIMENT LAPPING DEVICE A tnitvtuiuu water tap of 1 inch must be installed with a mtiuiiiinni 1 inch ballcock sluitoff valve sripplyimg a wash hose with a diameter of 1.5 inches for adequate coustant pressor e. Nash water must be carried away froin the entrance to am approved setthirg area to remove nedTument. All sediment shall be prevented from enteram stone chains, ditches or watercourses. PAVED WASH RACK 5 PAVED CONSTRUCTION ENTRANCE (P C6 Not To Scale CONSTRUCTION OF A SILT FENCE (WITH WIRE S UPPOR T) 1. SET POSTS. AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO THE POSTS. TRENCH UPSLOPE ALONG THE LJNE OF POSTS. l � f r Eff—I 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND. IT INTO THE TRENCH. 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. =1 EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. s SILT FENCE S C6 Not To Scale NOTE: THE INSPECTOR MAY REQUIRE ADDITIONAL MEASURES DEPENDING ON SITE CONDITIONS. SHIMP ENGINEERIN G LAND PLANNING - PROJECT MANAGEMENT 912 E HIGH ST. 434.227.5140 CHARLOTTESVILLE VA 22902 JUSTIN@SHIMP-ENGINEERING.COM AVON INDUSTRIAL PARK ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 2020.03.05 REVISION: 1. 2020.04.15 2. 3. 4. 5. FILE NO. EROSION CONTROL DETAILS SHEET C6 of C6 19.022 C6 Section 5. Stormwater Management Plan STORMWATER MANAGEMENT FOR THIS PROJECT APPROVED UNDER WPO2005-16 (PART2C REGULATIONS) PROPOSED DEVELOPMENT REDUCES IMPERVIOUS AREA BY 1256.5 SF. THEREFORE, REMAINS COMPLIANT WITH THE PRIOR APPROVED STORMWATER MANAGEMENT PLAN. 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 A VONINDUSTRIAL PARK POLL UTIONPREVENTIONPLAN CII„B B GU= 3 \.\_ ------ ------ SPNITPRY BK.ox Bo RISNE SUPPLY PORTAJOHNS i A I I IP IP ii i _ IP I j -- SIGN B,xewc N'i81G�� / s % I /`. MF�RE 10.p1 iP� W4U'.VS. m) \ I=W 11 _ PAVING OPERATIONS � I 1 CONTRACTOR MAY USE SILT FENCE AT THELOWENOOFANY V 1` TRENCHING WORK IN CRASSIflJR i I I ASNEEDEOF AREAS 20' WATERLINE EASEMENT (D.B. 3273.306, 313 PLAT) BEr8 _ � `"` "�,_, _ _ --�_ e" - NOTE. CONTRACTOR CAN N RELOCATE POLLUTION PREVENTION mc „G ay Imo" _JJ I J r ITEMS, BUT MUST MARK UP NN s- E.\BB LIMITS OF DISTUR'�ANCE TO BE _O% 96YO3 Avwc M4IV 16x IS9 PGB FIELD MARKED WITH WHITE FIELD OPERATIONS FLAGS OR WHITE PAINT Loo (TYP. PP RISNE SUPPLY � °. I IMPORTS MUST BE NOTED IN _ � THE SWPPP GRADING LOG. =, SOIL EROSION & SEDIMENT CONTROL SYMBOLS N0. TITLE KEY Mau — - 3.02 CONSTRUCTION ENTRANCE CE — X — X 3.05 SILT FENCE SF 3.03 CONSTRUCTION ROAD STABILIZATION 3.31 TEMPORARY SEEDING TS —ps — 3.32 PERMANENT SEEDING PS 3,35 MULCH �U CJ ® 3.07 INLET PROTECTION IP LIMITS OF DISTURBANCE LOD 60 120 180 B. sources of rouurams, [orations, ano Pollutant, or Pollutant Location on site Prevention Practices, Generating Activity Control Measures C. Sources of Pollutants continued. Common activities and minimum control and prevention practices Pollutant, or Pollutant Location on site Prevention Practices, Generating Activity Control Measures Follow Erosion and Sediment Control Clearing, grading, excavating, and un- Land disturbance area Plan. Dispose of clearing debris at stabilized areas acceptable disposal sites. Seed and mulch, or sod within 7 days of land clearing Cover storm drain inlets and use drip pans Paving operations Roads and driveways and absorbent/oil dry for all paving machines to limit leaks ands ills Direct concrete wash water into a leak - Concrete washout and Current location and detail shown on proof container or leak -proof settling basin cement waste plan that is designed so that no overflows can occur Enclose or cover material storage areas. Mix paint indoors in a containment area or Structure construction, stucco, Structures in a flat unpaved area. Prevent the painting, and cleaning discharge of soaps, solvents, detergents and wash water, paint, form release oils and curing compounds, Water shall be filtered, settled or similarly Dewatering operations Dewatering sites shown on plan treated prior to discharge as shown on plan. Designated areas for material delivery and Material delivery and storage Designated area shown on plan storage. Placed near construction entrances, away from waterways and drainage paths Material use during building process Building areas Follow manufacturer's instructions. MSDS's attached. Waste collection area will not receive a substantial amount of runoff from upland areas and does not drain directly to a Pollutant, or Pollutant Location on site Prevention Practices, Generating Activity Control Measures Current designated container areas on waterway. Containers have lids covered Solid waste disposal plan before periods of rain, or are in a covered area. Scheduled collection to prevent overfilling. MATERIALS NOT TO BE BURIED ON -SITE Convenient and well -maintained portable sanitary facilities will be provided, and Sanitary waste Current locations shown on plan located away from waterways or inlets. Such facilities shall be regularly maintained. Apply fertilizers in accordance with Landscaping operations Landscape areas shown on plan manufacturer's recommendations and not during rainfall events To be treated in a sediment basin or better Wash Waters Wash areas shown on plan control as specified on plan. Minimize the discharge of pollutants from equipment and vehicle washing Vehicle and equipment washing Designated areas and details shown on Provide containment and filtering for all plan wash waters per the plan Min nuzation of exposure to precipttation and stormwater. Minimize the exposure of building materials, building products, construction wastes, trash, landscape materials, fertilizers, pesticides, herbicides, detergents, sanitary waste, and other materials present on the site to precipitation and to stormwater. (Identify all non-stormwater discharges to occur on your site. Keep this plan up-to-date with ongoing site changes and inspections. See CGP, 9VAC25-880-70 section E for examples of non-stormwater discharges.) D. Non-stormwater dh Discharge Dust Control Treatment Dewatering Pollutants or Pollutant Constituents Chemicals Sediment Location on Site Designated areas and details shown on Sediment trap shown on plan E. Persons responsible for pollution prevention practices To be determined when contractor is selected. F. Response and reporting practices Minimize discharges from spills and leaks. Minimize the discharge of pollutants from spills and leaks and implement chemical spill and leak prevention and response procedures as follows. To the extent practical, do not store oils, chemicals, or other potential contaminants on site. When storage of potential contaminants is required, provide secondary containment, such as spill berms or spill containment pallets. These should be located within the drainage areas to a sediment trap or sediment basin. Direct concrete wash water into a settling basin, dispose of hardened concrete with other construction waste debris to an appropriate waste facility. Respond to all spills, leaks and discharges as follows. Spills of oil, petroleum products, sanitary wastes, and substances listed under 40 CFR parts 110, 117, and 302 should be cleaned up as soon as possible while protecting worker safety. Construct an earthen dike around any spills on dirt to prevent spreading. If a spill occurs during rainfall, cover it with a tarp or another impermeable cover to prevent contaminating runoff. Do not bury any spills or wash them with water. Maintain a spill kits in a readily accessible location. A spill kit shall consist of a lined drum with bags of universal sorbents in the bottom, accessible without tipping the drum, sorbent socks above the bags, and personal protective equipment on the top. All materials used to remove the contaminants, including any water used to rinse equipment, and all dirt removed must be treated as contaminated. Textiles, such as from coveralls, may be sent to a certified laundry facility. Waste must be disposed of according to the standards of Albemarle County and the Commonwealth of Virginia. Store hazardous materials and wastes in covered containers. Report all spills, leaks and discharges as follows: All spills, leaks, and discharges shall be recorded in the inspection logs. If construction activity results in a discharge of contaminants that may be reasonably expected to enter surface waters, the operator shall notify the Department of Environmental Quality immediately or within 24 hours, and shall submit a written report within five days. For significant spills that cannot be controlled by personnel in the immediate vicinity, notify the local emergency response by dialing 911. Albemarle County must also be notified, and potentially some of the following agencies: The Fire Department, the Public Works Department, the Coast Guard, the Highway Patrol, the County Police Department, Department of Toxic Substances, OSHA, etc. For spills of federal reportable quantities, in conformance with the requirements in 40 CFR parts 110, 119, and 302, the contractor should notify the National Response Center at (800) 424-8802. G. Pollution Prevention Awareness The engineer, project superintendent, and contractor shall have weekly meetings to review on -site conditions and advise contractor of potential risks that should be addressed. Contractor will be responsible for following procedures on a daily basis and applying appropriate waste management and prevention practices to be in compliance with the conditions of the general permit. Employees shall be informed of the danger to nature and to human health of various chemical spills. Section 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. No applicable TMDL. Section 8. Qualified personnel The following personnel are responsible for inspections: To Be Determined. The Operator or duly authorized representative will serve as the qualified personnel. This may include delegating this responsibility to other contractors as they become involved with the project. The SWPPP will be updated when contractor is hired. Section 9. Signed Certification CERTIFICATION "I certify under penalty of law that I have read and understand this document and this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." Owner/Operator Name: Duane- 0. _trvov Company: R D R n LLB Title: PreSt ./e .a t Signature: ,gym Date: A3 .2 oa o Section 10. Delegation of authority. Delegation of Authority I, IM-sc Srvoo', hereby designate the person or specifically described position below to be a duly authorized representative for the purpose of overseeing compliance with environmental requirements, including the Construction General Permit, at the construction site. The designee is authorized to sign any reports, stormwater pollution prevention plans and all other documents required by the permit. Mahe I`O le (name of person or position) (company) Ib� P,nP;rc/E (address) R •! �o ate, i, �c r n �a 1301f� (city, state, zip) (phone) L,a,✓e 27/00,22�495' By signing this authorization, I confirm that I meet the requirements to make such a designation as set forth in the Construction General Permit (CGP), and that the designee above meets the definition of a "duly authorized representative". Operator Name: �F. j wo 4e,,� Company: r? D P D Title: Pr -es, o%n f Signature: Date: a- 2 S—. 2 0 a 0 Section 11. General permit copy COMMONWEALTH of VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY General Permit No.: VAR10 Effective Date: July 1, 2019 Expiration Date: June 30, 2024 GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM CONSTRUCTION ACTIVITIES AUTHORIZATION TO DISCHARGE UNDER THE VIRGINIA STORMWATER MANAGEMENT PROGRAM AND THE VIRGINIA STORMWATER MANAGEMENT ACT In compliance with the provisions of the Clean Water Act, as amended, and pursuant to the Virginia Stormwater Management Act and regulations adopted pursuant thereto, operators of construction activities are authorized to discharge to surface waters within the boundaries of the Commonwealth of Virginia, except those specifically named in State Water Control Board regulations that prohibit such discharges. The authorized discharge shall be in accordance with the registration statement filed with the Department of Environmental Quality, this cover page, Part I - Discharge Authorization and Special Conditions, Part II - Stormwater Pollution Prevention Plan, and Part III - Conditions Applicable to All VPDES Permits as set forth in this general permit. Construction General Permit Effective July 1, 2019 Page 2 of 26 FOMO 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 11 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. MMM 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 11 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 III 1 2. NOTE: The reports required in Part III G, H and I shall be made to the department and the VSMP authority. Reports may be made by telephone, email, or by fax. For reports outside normal working hours, leaving a recorded message shall fulfill the immediate reporting requirement. For emergencies, the Virginia Department of Emergency Management maintains a 24-hour telephone service at 1-800-468-8892. 4. Where the operator becomes aware of a failure to submit any relevant facts, or submittal of incorrect information in any report, including a registration statement, to the department or the VSMP authority, the operator shall promptly submit such facts or correct information. J. Notice of planned changes. 1. The operator shall give notice to the department and the VSMP authority as soon as possible of any planned physical alterations or additions to the permitted facility or activity. Notice is required only when: a. The operator plans an alteration or addition to any building, structure, facility, or installation that may meet one of the criteria for determining whether a facility is a new source in 9VAC25-870-420; b. The operator plans an alteration or addition that would significantly change the nature or increase the quantity of pollutants discharged. This notification applies to pollutants that are not subject to effluent limitations in this general permit; or 2. The operator shall give advance notice to the department and VSMP authority of any planned changes in the permitted facility or activity, which may result in noncompliance with state permit requirements. K. Signatory requirements. 1. Registration statement. All registration statements shall be signed as follows: a. For a corporation: by a responsible corporate officer. For the purpose of this chapter, a responsible corporate officer means: (i) a president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy -making or decision -making functions for the corporation; or (ii) the manager of one or more manufacturing, production, or operating facilities, provided the Page 22 of 26 manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for state permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures; b. For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or c. For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official. For purposes of this chapter, a principal executive officer of a public agency includes (i) the chief executive officer of the agency or (ii) a senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. 2. Reports and other information. All reports required by this general permit, including SWPPPs, and other information requested by the board or the department shall be signed by a person described in Part III K 1 or by a duly authorized representative of that person. A person is a duly authorized representative only if: a. The authorization is made in writing by a person described in Part III K 1; b. The authorization specifies either an individual or a position having responsibility for the overall operation of the regulated facility or activity such as the position of plant manager, operator of a well or a well field, superintendent, position of equivalent responsibility, or an individual or position having overall responsibility for environmental matters for the operator. (A duly authorized representative may thus be either a named individual or any individual occupying a named position); and c. The signed and dated written authorization is included in the SWPPP. A copy shall be provided to the department and VSMP authority, if requested. 3. Changes to authorization. If an authorization under Part III K 2 is no longer accurate because a different individual or position has responsibility for the overall operation of the construction activity, a new authorization satisfying the requirements of Part III K 2 shall be submitted to the VSMP authority as the administering entity for the board prior to or together with any reports or information to be signed by an authorized representative. 4. Certification. Any person signing a document under Part II I 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. 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 AVON INDUSTRIAL PARK SWPPP Inspection Log. Inspection: Last Rainfall: Date Time Date Rainfall Amount Summary: Locations of: • Prohibited discharges • Controls needing maintenance • Failed controls: • Evidence per Part II F 3 a (7): (see back of sheet for details) • Additional measures needed: Corrective actions required: Unimplemented corrective actions from previous inspection: Inspector Signature Date Operator Signature Date Part II F 3 a (7) (a) Concentrated flows of stormwater in conveyances such as rills, rivulets or channels that have not been filtered, settled, or similarly treated prior to discharge, or evidence thereof; (b) Sediment laden or turbid flows of stormwater that have not been filtered or settled to remove sediments prior to discharge; (c) Sediment deposition in areas that drain to unprotected stormwater inlets or catch basins that discharge to surface waters. Inlets and catch basins with failing sediments controls due to improper installation, lack of maintenance, or inadequate design are considered unprotected; (d) Sediment deposition on any property (including public and private streets) outside of the construction activity covered by this general permit; (e) Required stabilization has not been initiated or completed on portions of the site; (f) Sediment basins without adequate wet or dry storage volume or sediment basins that allow the discharge of stormwater from below the surface of the wet storage portion of the basin; (g) Sediment traps without adequate wet or dry storage or sediment traps that allow the discharge of stormwater from below the surface of the wet storage portion of the trap; and (h) Land disturbance outside of the approved area to be disturbed;