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Home My WebLink AboutWPO201800016 VSMP - SWPPP 2018-05-15O A COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road, North Wing Charlottesville, Virginia 22902-4596 Tel. (434) 296-5832 • Fax (434) 972-4126 7 1yIP Stormwater Pollution Prevention Plan (SWPPP) For Construction Activities At: Project Name: Birdwood Golf Course Address: 410 Golf Course Dr Name: Timmons Group Charlottesville VA 22903 Prepared by: Prepared for: Name: University of Virginia Foundation SWPPP Preparation Date: May 11, 2018 NOTE: FOR REVIEW PURPOSES ONLY. SWPPP TO BE FINALIZED PRIOR TO PLAN APPROVAL/LAND DISTURABANCE APPLICATION This document is to be made publicly available according to 9VAC25-880-70, Part I1, section D) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County CONTENTS: (from Albemarle County Code Sec. 17-405) 1. Registration statement 2. Notice of general permit coverage 3. Nature of activity 4. Erosion and Sediment Control Plan. 5. Stormwater Management Plan 6. Pollution Prevention Plan. 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. 8. Qualified personnel 9. Signed Certification 10. Delegation of authority. 11. General permit copy 12. Inspection logs Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 1. Registration statement Provide a signed completed copy of the DEQ registration statement) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Registration Statement General VPDES Permit for Discharges of Stormwater from Construction Activities (VAR10) Please Type or Print All Information) 1. Construction Activity Operator: (General permit coverage will be issued to this operator. The Certification in Item #12 must be signed by the appropriate person associated with this operator.) Name: Contact: Mailing Address: City: State: Zip: Phone: Email address (if available): Indicate if DEQ may transmit general permit correspondence electronically: Yes No 2. Existing General Permit Registration Number (for renewals only): 3. Name and Location of the Construction Activity: Name: Address (if available): City: State: Zip: County (if not located within a City): Latitude (decimal degrees): Longitude (decimal degrees): Name and Location of all Off-site Support Activities to be covered under the general permit: Name: Address (if available): City: State: Zip: County (if not located within a City): Latitude (decimal degrees): Longitude (decimal degrees): 4. Status of the Construction Activity (check only one): Federal State Public Private 5. Nature of the Construction Activity (e.g., commercial, industrial, residential, agricultural, oil and gas, etc.): 6. Name of the Receiving Water(s) and Hydrologic Unit Code (HUC): Name: Name: HUC: HUC: 7. If the discharge is through a Municipal Separate Storm Sewer System (MS4), the name of the MS4 operator: 8. 4 Estimated Project Start and Completion Date: Start Date (mm/dd/yyyy): Completion Date (mm/dd/yyyy): Total Land Area of Development (to the nearest one-hundredth acre): Estimated Area to be Disturbed (to the nearest one-hundredth acre): 10. Is the area to be disturbed part of a larger common plan of development or sale? Yes No 11. 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 Activitiesrip or to submitting this Registration Statement. By signing this Registration Statement the operator is certifying that the SWPPP has been prepared. 12. Certification: "I certify under penalty of law that I have read and understand this Registration Statement and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my knowledge and belief true, accurate, and complete. I am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment for knowing violations." Printed Name: Signature: Please sign in INK. Item #1.) Title: Date: This Certification must be signed by the appropriate person associated with the operator identified in 07/2014 Page 1 of 1 Instructions for Completing the Registration Statement General VPDES Permit for Discharges of Stormwater from Construction Activities (VAR10) GENERAL A. Coverage Under this General Permit. Any operator applying for coverage under this general permit who is required to submit a Registration Statement (see Section B below) must submit a complete Registration Statement to the Department. The Registration Statement serves as a Notice of Intent for coverage under the General VPDES Permit for Discharges of Stormwater from Construction Activities (VAR 10). B. Single-family Detached Residential Structures. Operators with an existing stormwater discharge or proposing a new stormwater discharge associated with the construction of a single- family detached residential structure are not required to submit a Registration Statement or the Department of Environmental Quality DEQ) portion of the general permit fee. Operators of these types of discharges are authorized to discharge under this general permit immediately upon the general permit's effective date of July 1, 2014. C. To Apply for Permit Coverage. 1. New Construction Activities. Any operator proposing a new stormwater discharge from construction activities shall submit a complete Registration Statement to the Department prior to the commencement of land disturbance, unless exempted by Section B above. Any operator proposing a new stormwater discharge from construction activities in response to a public emergency where the related work requires immediate authorization to avoid imminent endangerment to human health or the environment is immediately authorized to discharge under this general permit and must submit a complete Registration Statement to the Department no later than 30 days after commencing land disturbance; documentation to substantiate the occurrence of the public emergency must accompany the Registration Statement. 2. Existing Construction Activities. Any operator that was authorized to discharge under the general permit issued in 2009, and who intends to continue coverage under this general permit, shall submit a complete Registration Statement to the Department on or before June 1, 2014, unless exempted by Section B above. D. Where to Submit Registration Statements. All Registration Statements should be submitted to: Department of Environmental Quality Office of Stormwater Management, 10`h Floor P.O. Box 1105 Richmond, VA 23218 LINE -BY-LINE INSTRUCTIONS Item 1: Construction Activity Operator Information. Operator" means the owner or operator of any facility or activity subject to the Stormwater Management Act and regulations. In the context of stormwater associated with a large or small construction activity, operator means any person associated with a construction project that meets either of the following two criteria: (i) the person has direct operational control over construction plans and specifications, including the ability to make modifications to those plans and specifications or (ii) the person has day-to-day operational control of those activities at a project that are necessary to ensure compliance with a stormwater pollution prevention plan for the site or other state permit or VSMP authority permit conditions (i.e., they are authorized to direct workers at a site to carry out activities required by the stormwater pollution prevention plan or comply with other permit conditions). The entities that are considered operators will commonly consist of the owner or developer of a project (the party with control of project plans and specifications) or the general contractor (the party with day to day operational control of the activities at the project site which are necessary to ensure compliance with the general permit). Provide the legal name (do not use a colloquial name), contact, mailing address, telephone number, and email address (if available) of the construction activity operator; general permit coverage will be issued to this operator. Indicate if the Department may transmit general permit correspondence electronically. Item 2: Existing General Permit Registration Number. For reapplications only, provide the existing general permit registration number for the construction activity. This item does not need to be completed for new construction activities applying for general permit coverage. Item 3: Name and Location of the Construction Activity Information. Provide the official name, street address (if available), city or county (if not located within a City) of the construction activity. Also, provide the latitude and longitude in decimal degrees of the approximate center of the construction activity (e.g., N 37.5000, W 77.5000). Name and Location of Off-site Support Activity Information. This general permit also authorizes stormwater discharges from support activities (e.g., concrete or asphalt batch plants, equipment staging yards, material storage areas, excavated material disposal areas, borrow areas) located on-site or off-site provided that (i) the support activity is directly related to a construction activity that is required to have general permit coverage; (ii) the support activity is not a commercial operation, nor does it serve multiple unrelated construction activities by different operators; (iii) the support activity does not operate beyond the completion of the construction activity it supports; (iv) the support activity is identified in the registration statement at the time of general permit coverage; (v) appropriate control measures are identified in a SWPPP and implemented to address the discharges from the support activity areas; and (vi) all applicable state, federal, and local approvals are obtained for the support activity. Provide the official name, street address (if available), City and County if not located within a City) of all off-site support activities to be covered under this general permit. Also, provide the latitude and longitude in decimal degrees of the approximate center of the off-site support activities (e.g., N 37.5000, W 77.5000). Also, if an off-site support activity is going to be covered under this general permit the total land area of the off-site support activity and the estimated area to be disturbed by the off-site support activity need to be included in Item 9. Item 4: Status of the Construction Activity. Indicate the appropriate status (Federal, State, Public, or Private) of the construction activity. Item 5: Nature of the Construction Activity. Provide a brief description of the construction activity, such as commercial, residential, agricultural, oil and gas, etc. This list is not all inclusive. Item 6: Receiving Waters(s) and HUC Information. Provide the name of the receiving water(s) and corresponding HUC for all stormwater discharges including any stormwater discharges from off-site support activities to be covered under this general permit. Hydrologic Unit Code or HUC is a watershed unit established in the most recent version of Virginia's 6th order national watershed boundary dataset. 07/2014 Page 1 of 2 Item 7: MS4 Information. If stormwater is discharged through a municipal separate storm sewer system (MS4), provide the name of the MS4 operator. The name of the MS4 operator is generally the Town, City, County, Institute or Federal facility where the construction activity is located. Item 8: Construction Activity Start and Completion Date Information. Provide the estimated start date (month/day/year) of the construction activity. Provide the estimated completion date (month/day/year) of the construction activity. Item 9: Construction Activity Area Information. Provide the total area (to the nearest one-hundredth acre) of the development (i.e.., the total acreage of the larger common plan of development or sale). Include the total acreage of any off-site support activity to be covered under this general permit. Provide the estimated area (to the nearest one-hundredth acre) to be disturbed by the construction activity. Include the estimated area of land disturbance that will occur at any off-site support activity to be covered under this general permit. Item 10: Common Plan of Development or Sale Information. Indicate if the area to be disturbed by the construction activity is part of a larger common plan of development or sale. Larger common plan of development or sale is defined as a contiguous area where separate and distinct construction may be taking place at different times on different schedules. Plan is broadly defined as any announcement or documentation, including a sign, public notice or hearing, sales pitch, advertisement, drawing, permit application, zoning request, etc., or physical demarcation such as boundary signs, lot stakes, or surveyor markings indicating that construction activities may occur. Item 11: Stormwater Pollution Prevention Plan (SWPPP). 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 (VAR 10) prior to submitting this Registration Statement. By signing this Registration Statement the operator is certifying that the SWPPP has been prepared. Item 12: Certification. A properly authorized individual associated with the operator identified in Item 1 of the Registration Statement is responsible for certifying and signing the Registration Statement. Please sign the Registration Statement in INK. State statutes provide for severe penalties for submitting false information on the Registration Statement. State regulations require that the Registration Statement be signed as follows: a. For a corporation: by a responsible corporate officer. For the purpose of this part, a responsible corporate officer means: i) A president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy-making or decision-making functions for the corporation, or ii) the manager of one or more manufacturing, production, or operating facilities, provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures. b. For a partnership or sole proprietorship: by a general partner or the proprietor, respectively. c. For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official. For purposes of this part, a principal executive officer of a public agency includes: i) The chief executive officer of the agency, or ii) A senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. 07/2014 Page 2 of 2 Section 2. Notice of general permit coverage This notice is to be posted near the main entrance according to 9VAC25-880-70, Part 11, section C.) Provide a copy of the DEQ coverage letter when obtained) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 3. Nature of activity Provide a detailed narrative of the construction activities. Include or reference a construction schedule and sequence. Include any phasing.) This project involves the redevelopment of Birdwood Golf Course, from an existing golf course with approximately 161 acres of disturbance that is primarily comprised of new turf (golf course) development and redevelopment. The project is anticipated to begin construction in 2018 and be completed prior to Q4 of 2019. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 4. Erosion and Sediment Control Plan. Provide a reduced, 11x17 copy of the latest Erosion and Sediment Control Plan. Do not reference only.) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County MINIMUM STANDARDS: AN EROSION AND SEDIMENT CONTROL PROGRAM ADOPTED BY A DISTRICT OR LOCALITY MUST BE CONSISTENT WITH THE FOLLOWING CRITERIA, TECHNIQUES AND METHODS: MS -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. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. MS -2. DURING CONSTRUCTION OF THE PROJECT, SOIL STOCKPILES AND BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLE FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF ALL SOIL STOCKPILES ON SITE AS WELL AS BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. MS -3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. MS -4. SEDIMENT BASINS AND TRAPS, PERIMETER DIKES, SEDIMENT BARRIERS AND OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. MS -5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY AFTER INSTALLATION. MS -6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES. B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE AREAS GREATER THAN OR EQUAL TO THREE ACRES SHALL BE CONTROLLED BY A SEDIMENT BASIN. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA. THE OUTFALL SYSTEM SHALL, AT A MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DURING A 25 -YEAR STORM OF 24-HOUR DURATION. RUNOFF COEFFICIENTS USED IN RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED. MS -7. 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. MS -8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL, FLUME OR SLOPE DRAIN STRUCTURE. MS -9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHALL BE PROVIDED. MS -10. 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. MS -11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT CHANNEL LINING SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL. MS -12. 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. MS -13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VEHICULAR STREAM CROSSING CONSTRUCTED OF NONERODIBLE MATERIAL SHALL BE PROVIDED. MS -14. ALL APPLICABLE FEDERAL, STATE AND LOCAL REGULATIONS PERTAINING TO WORKING IN OR CROSSING LIVE WATERCOURSES SHALL BE MET. MS -15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED. MS -16. UNDERGROUND UTILITY LINES SHALL BE INSTALLED IN ACCORDANCE WITH THE FOLLOWING STANDARDS IN ADDITION TO OTHER APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FEET OF TRENCH MAY BE OPENED AT ONE TIME. B. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF-SITE PROPERTY. D. MATERIAL USED FOR 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. MS -17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE, THE ROAD SURFACE SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES. MS -18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM AUTHORITY. TRAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. MS -19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AND DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FREQUENCY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE STANDARDS AND CRITERIA LISTED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, CHAPTER 8 PAGES 20-24. PERMANENT & TEMPORARY SEEDING AND STABILIZATION: THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS; EMPLOYED TO REDUCE EROSION AND SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 14 DAYS, TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF-SITE AREAS, AND TO PROVIDE PROTECTION TO BARE SOILS EXPOSED DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES CAN BE ESTABLISHED. WHERE EXPOSED SOIL SURFACES ARE NOT TO BE FINE -GRADED FOR PERIODS LONGER THAN 14 DAYS. SUCH AREAS INCLUDE DENUDED AREAS, SOIL STOCKPILES, DIKES, DAMS, SIDES OF SEDIMENT BASINS, TEMPORARY ROADBANKS, ETC. SEE MS #1 AND MS #2 ON THIS SHEET). A PERMANENT VEGETATIVE COVER SHALL BE APPLIED TO AREAS THAT WILL BE LEFT DORMANT FOR A PERIOD OF MORE THAN 1 YEAR. 1. SELECTION OF PLANT MATERIAL IS BASED ON SPECIFIC SITE AND PLANTING SEASON. A SITE SPECIFIC MIX DETERMINED USING TABLES 3.31B OF THE VESCH, SEE TABLE ON THIS SHEET. 2. ALL PERMANENT SEEDING SHALL BE PLACED PER THE VESCH 3.32, SEE TABLE ON THIS SHEET. 3. ALL TEMPORARY SEEDING, FERTILIZER, AND MULCH SHALL BE PLACED PER THE VESCH 3.31. DUST CONTROL PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARD, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE BY USING ONE OR A COMBINATION OF THE FOLLOWING METHODS IN ACCORDANCE TO SECTION 3.39 OF THE VESCH: VEGETATIVE COVER, MULCH, TILLAGE, IRRIGATION, SPRAY -ON ADHESIVES, STONE, BARRIERS, CALCIUM CHLORIDE, AND PERMANENT VEGETATION. STOCKPILE THE GRADING/EXCAVATION CONTRACTOR FOR THE SUBJECT SITE IS REQUIRED TO NOTIFY IN WRITING, THE ASSIGNED SITE INSPECTOR REGARDING ANY EXCESS MATERIAL PROPOSED TO BE HAULED OFFSITE PRIOR TO HAULING. THE NOTIFICATION MUST INDICATE THE QUANTITY OF MATERIAL TO BE MOVED OFFSITE, THE IDENTIFICATION OF THE RECEIVING SITE WHERE THE EXCESS WILL BE TAKEN, AND ALL INFORMATION NECESSARY TO SHOW THAT SUCH RECEIVING SITE HAS BEEN PROPERLY PERMITTED AND EROSION AND SEDIMENT CONTROLS INSTALLED. 38° 3' 18" N a g 8 a 38° 1'49" N 3 Soil Map -Albemarle County, Virginia Birdwood Golf Course) EROSION AND SEDIMENT CONTROL NARRATIVE PROJECT DESCRIPTION THIS PROJECT INVOLVES THE REDEVELOPMENT OF BIRDWOOD GOLF COURSE, FROM AN EXISTING GOLF COURSE TO A NEW GOLF COURSE, WITH APPROXIMATELY 161 ACRES OF DISTURBANCE THAT IS PRIMARILY COMPRISED OF NEW TURF (GOLF COURSE) DEVELOPMENT AND REDEVELOPMENT. SCHEDULE: THE PROJECT IS ANTICIPATED TO BEGIN CONSTRUCTION IN 2018 AND BE COMPLETED PRIOR TO Q4 OF 2019. ADJACENT PROPERTY THE PROPERTY IS BOUNDED BY: NORTH: ROUTE 250 HIGHWAY EAST: RESIDENTIAL SUBDIVISION. FURTHER EAST IS ROUTE 29 SOUTH: UNDEVELOPED LAND ASSOCIATED WITH BIRDWOOD GOLF COURSE. FURTHER SOUTH IS RAGGED MOUNTAIN WEST: RESIDENTIAL SUBDIVISION AND BOARS HEAD INN (ASSOCIATED WITH THE BIRDWOOD GOLF COURSE) EXISTING SITE CONDITIONS THE SITE IS CURRENTLY A GOLF COURSE, WHICH WAS DEVELOPED IN THE 1980s. OFF-SITE AREAS NO OFF-SITE AREAS WILL BE DISTURBED AS A PART OF THIS PROJECT - HOWEVER, EARTHWORK MATERIAL MAY BE IMPORTED OR EXPORTED FROM THE SITE. CONTRACTOR WILL NEED TO PROVIDE DOCUMENTATION THAT THE BORROW/DISPOSAL SITE HAS AN APPROVED AND CURRENT ESC PLAN. ALTERNATIVELY, THE CONTRACTOR MAY ENGAGE THE ENGINEER TO HAVE ANY EARTHWORK SITES INCLUDED IN THE PROPOSED SCOPE OF PROJECT WORK. CRITICAL EROSION AREAS PONDS: THERE ARE SEVERAL LARGE BODIES OF WATER WITHIN THE SITE. THESE PONDS HAVE MANMADE DAMS AND CONTROL STRUCTURES (RISERS AND CULVERTS). WETLANDS: THE SITE CONTAINS WETLANDS THROUGHOUT, AS DEPICTED ON THE PLAN SHEETS PERENNIAL STREAMS: THE SITE CONTAINS PERENNIAL STEAMS THAT WILL REQUIRE COUNTY STREAM BUFFERS TO BE ESTABLISHED. MITIGATION AREAS ARE PROPOSED WITHIN SOME OF THE STREAM BUFFER AREAS. INTERMITTENT AND EPHEMERAL STREAMS: A SERIES OF STREAMS (NON-PERNNIAL) ARE IDENTIFIED WITHIN THE SITE PLAN SHEET. THESE STREAMS ARE TO BE PROTECTED WITH E&S CONTROLS, AS INDICATED. OUTFALL: ALL OUTFALL LOCATIONS FROM THE SITE ARE NATURAL CHANNELS (OR SHEET FLOW TO OFFSITE NATURAL CHANNELS). STEEP SLOPES: THE STEEP SLOPES (PER COUNTY CODE) WITHIN THE SITE ARE PRIMARILY MANAGED SLOPES. PRESERVED SLOPES EXIST TOWARDS THE OUTFALL OF POND 2 (NO EARTHWORK IS PROPOSED ON THE PRESERVED SLOPES). EROSION AND SEDIMENT CONTROL MEASURES UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE CURRENT ADDITION OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. THE MINIMUM STANDARDS OF THE VESCH SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY A VARIANCE BY LOCAL AUTHORITIES HAVING JURISDICTION. STORMWATER RUNOFF CONSIDERATIONS STORMWATER QUALITY REQUIREMENTS ARE BEING SATISFIED THROUGH CONSERVED OPEN SPACES AND SHEETFLOW TO VEGETEATED FILTER STRIPS. THE LAND COVER CONDITION IN PRE AND POST DEVELOPMENT IS GENERALLY CONSISTENT (OR LESS THAN) EXISTING CONDITIONS. NO CHANNEL OR FLOOD PROTECTION IS PROPOSED. 715000 715300 715600 715900 716200 Map Scale: 1:13,400 if punted on A porhait (8.5" x 11") sheet. N Meters no 1 W aoo soca soca Feet No 5W 1000 zcao 3000 Map projection: Web Mercator Comer coordinates: WGS84 Edge tics: UrM Zone 17N WGS84 D\ Natural Resources Web Soil Survey Conservation Service National Cooperative Soil Survey 38° 3' 18" N a 8 a a 8 a 38° 1' 49" N 716..400 716800 2/14/2018 Page 1 of 4 Soil Map -Albemarle County, Virginia EROSION AND SEDIMENT CONTROL MEASURES MAINTENANCE ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED IN ACCORDANCE WITH VESCH AND THE CONSTRUCTION SEQUENCE, INCLUDING THE INSPECTION OF ALL MEASURES AFTER ALL RAIN EVENTS. STRUCTURAL PRACTICES: 1. TEMPORARY CONSTRUCTION ENTRANCE WITH PAVED WASH RACK - 3.02 A TEMPORARY CONSTRUCTION ENTRANCE AND PAVED WASH RACK SHALL BE PROVIDED AT THE LOCATION INDICATED ON THE PLANS. IT IS IMPERATIVE THAT THIS MEASURE BE MAINTAINED THROUGHOUT CONSTRUCTION. ITS PURPOSE IS TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED ROADS BY MOTOR VEHICLES OR RUNOFF. 2. SILT FENCE BARRIER - 3.05 SILT FENCE SEDIMENT BARRIERS SHALL BE INSTALLED DOWNSLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT -LADEN RUNOFF FROM SHEET FLOW AS INDICATED. ITS PURPOSE IS TO INTERCEPT SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS AND PREVENT SEDIMENT FROM LEAVING THE SITE. 3. STORM DRAIN INLET PROTECTION - 3.07 STONE FILTERS SHALL BE PLACED AT THE INLET OF ALL DRAINAGE STRUCTURES AS INDICATED ON PLANS. ITS PURPOSE IS TO PREVENT SEDIMENT FROM ENTERING THE STORM DRAINS. 4. DIVERSION DIKE - 3.09 A TEMPORARY RIDGE OF COMPACTED SOIL TO DIVERT WATER FROM A CERTAIN AREA. 5. TEMPORARY RIGHT-OF-WAY DIVERSION - 3.11 A RIDGE OF COMPACTED SOIL OR LOOSE ROCK OR GRAVEL THAT CAN BE MORE EASILY TRAVERSED THAN A DIVERSION DIKE. 6. SEDIMENT TRAP - 3.13 A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE TO DETAIN SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET' AND "DRY" STORAGE LONG ENOUGH FOR THE MAJORITY OF SEDIMENT TO SETTLE OUT. 6.1. MAINTENANCE OF SEDIMENT TRAP INSPECT TRAP EMBANKMENT WEEKLY TO ENSURE IT IS STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED DURING CONSTRUCTION ACTIVITIES. ADDITIONALLY THE TRAP SHALL BE CHECKED AFTER EVERY RAINFALL EVENT. ONCE THE SEDIMENT HAS REACHED THE DESIGNATED CLEANOUT LEVEL IT SHALL BE REMOVED AND PROPERLY DISPOSED OF. 7. DUST CONTROL - 3.39 DUST CONTROL IS TO BE USED THROUGH THE SITE IN AREAS SUBJECT TO SURFACE AND AIR MOVEMENT. VEGETATIVE PRACTICES: 1. TOPSOIL (TEMPORARY STOCKPILE) - 3.30 TOPSOIL SHALL BE STRIPPED FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL BE LOCATED ONSITE AND SHALL BE STABILIZED WITH TEMPORARY SILT FENCE AND VEGETATION. 2. TEMPORARY SEEDING - 3.31 ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN 30 DAYS SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. SELECTION OF THE SEED MIXTURE SHALL DEPEND ON THE TIME OF YEAR IT IS APPLIED. 3. PERMANENT SEEDING - 3.32 FOLLOWING GRADING ACTIVITIES, ESTABLISH PERENNIAL VEGETATIVE COVER BY PLANTING SEED OR SOD TO REDUCE EROSION, STABILIZE DISTURBED AREAS, AND ENHANCE NATURAL BEAUTY. 4. SOIL STABILIZATION BLANKETS & MATTING - 3.36 A PROTECTIVE COVERING BLANKET OR SOIL STABILIZATION MAT SHALL BE INSTALLED ON PREPARED PLANTING AREAS OF CHANNELS TO PROTECT AND PROMOTE VEGETATION ESTABLISHMENT AND REINFORCE ESTABLISHED TURF. MANAGEMENT STRATEGIES 1. ESTABLISH PERIMTER CONTROLS AND CONSTRUCTION ENTRANCE. 2. PROVIDE SEDIMENT TRAPPING MEASURES AS A FIRST STEP IN GRADING, SEED AND MULCH IMMEDIATELY FOLLOWING INSTALLATION. 3. PROVIDE TEMPORARY SEEDING OR OTHER STABILIZATION IMMEDIATELY AFTER GRADING. 4. ISOLATE TRENCHING FOR UTILITIES AND DRAINAGE FROM DOWNSTREAM CONVEYANCES IN ORDER TO MINIMIZE PERIMETER CONTROLS. 5. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED UNTIL THEY ARE NO LONGER REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS OR STATE LAW. Map Unit Legend Birdwood Golf Course USD,\ Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 2/14/2018 Page 3 of 4 PERMANENT STABILIZATION ALL NON -PAVED AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING OR SOD IMMEDIATELY FOLLOWING FINISHED GRADING. REFER TO GOLF COURSE ARCHITECTURE PLANS FOR APPROPRIATE SEED MIX. SEQUENCE OF INSTALLATION PHASE I & II ARE PROPOSED WITHIN A SINGLE PLAN (SEE SHEETS C501-0504) THE PROPOSED WORK WILL BE COMPLETED IN STAGES WITH EFFORTS FOCUSING ON DIFFERENT AREAS OF THE SITE AT A TIME. THE DIFFERENT STAGES OF WORK ARE SEPARATED BY SUB -AREAS, WHICH WILL BE DETERMINED AT THE TIME OF CONSTRUCTION AND COORDINATED WITH THE INSPECTOR AND ENGINEER. SUB -AREAS ARE DEFINED AS WORK AREAS ASSOCIATED WITH SPECIFIC E&S CONTROLS, SUCH AS DRAINAGE AREAS TO SEDIMENT TRAPS AND BASINS. THE E&S CONTROLS ASSOCIATED WITH EACH SUB -AREAS SHALL BE INSTALLED PRIOR TO STARTING WORK WITHIN THAT SUB -AREA. THIS STRADEGY IS INTENDED TO DELINEATE SMALLER AREAS OF WORK THAT CAN BEGIN PRIOR TO CONSTRUCTING ALL E&S CONTROLS FOR THE PROJECT. THE CONTROLS THAT ARE PROPOSED ADJACENT TO BODIES OF WATER STREAMS, PONDS, WETLANDS) SHALL BE INSTALLED AS THE FIRST MEASURE OF WORK WITHIN A SUB -AREA. IN GENERAL, THE WORK SHOULD BE PERFORMED FROM THE MOST UPSTREAM PORTION OF EACH SUB -AREA, SUCH THAT THE UPSTREAM AREAS ARE CONSTRUCTED AND STABILIZED BEFORE MOVING DOWNSTREAM. FOR INSTANCE, AREAS FURTHER AWAY FROM THE PONDS SHOULD BE CONSTRUCTED BEFORE AREAS THAT ARE ADJACENT TO PONDS. THIS SEQUENCE WILL REDUCE SEDIMENT LADEN RUNOFF FROM CROSSING NEWLY CONSTRUCTED AREAS. ONSITE PONDS THE ONSITE PONDS ARE SUBJECT TO MAINTENANCE, WHICH IS INCLUDED IN THIS SCOPE OF WORK. WORK WITHIN THE DRAINAGE LIMITS SHOULD BE STABILIZED PRIOR TO DRAINING AND DREDGING PONDS (SCOPE OF WORK IS INDEPENDENT OF PROPOSED DEVELOPMENT, BUT IS IMMINENT). MITIGATION AREAS MITIGATION AREAS ARE PROPOSED WITHIN THE SITE, SPECIFICALLY NEAR STREAMS AND WITHIN NEW AND EXISTING STREAM BUFFER AREAS. THE STREAMS SHALL BE PROTECTED AS SHOWN IN THE E&S PLAN SHEETS AND INSTALLATION SHALL OCCUR AS THE FIRST MEASURE OF CONTROL FOR WORK WITHIN THE DRAINAGE AREA. WORK WITHIN MITIGATION AREAS SHOULD BE COMPLETED AFTER ANY UPSTREAM DEVELOPMENT HAS OCCURRED. MITIGATION WILL REQUIRE MECHANIZED EQUIPMENT TO REMOVE INVASIVE SPECIES AND CONSTRUCT VEGETATION IMPROVEMENTS - WORK WITHIN THESE AREAS IS LIMITED TO MITIGATION AND SIGNIFICANT EARTHWORK IS NOT PERMITTED. AFTER THE MITIGATION WORK HAS BEEN COMPLETED, THE MITIGATION (BUFFER AREA) SHOULD BE FLAGGED TO LIMIT FUTURE DISTURBANCE DURING CONSTRUCTION. WHEN THE MITIGATION AREAS HAVE BEEN STABILIZED THE E&S CONTROLS ADJACENT TO THE STREAMS SHOULD BE REMOVED. 1. INSTALL ALL EROSION AND SEDIMENT CONTROL MEASURES SHOWN ON THE PLAN (WITHIN THE SUB -AREA), STARTING WITH PERIMETER CONTROLS AND THE CONSTRUCTION ENTRANCE. 2. AFTER ALL OTHER EROSION AND SEDIMENT CONTROL PHASE MEASURES FOR A SUB -AREA ARE IN PLACE AND APPROVED BY THE E&S INSPECTOR, SITE WORK CAN BEGIN. 3. ROUGH GRADE PROJECT AREA. 4. SEED OR SOD ALL DENUDED AREAS PER VESCH STANDARDS. 5. FINE GRADE PROJECT AREA. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS ACHIEVED. REFER TO MS -1 FOR TEMPORARY STABILIZATION REQUIREMENTS. 6. ALL STORMWATER PIPING & STRUCTURES SHALL BE INSPECTED FOR COUNTY GENERAL CONSTRUCTION NOTES FOR E&S CONTROL PLANS SILT/SEDIMENT. IF PRESENT, SILT/SEDIMENT SHALL BE CLEANED OUT FOR THE SYSTEM TO THE SATISFACTION OF THE E&S INSPECTOR. 7. ONCE THE DRAINAGE AREA TO THE SEDIMENT TRAP HAS BEEN STABILIZED AND APPROVED BY ESC INSPECTOR REMOVE SEDIMENT TRAP. 7.1. THE SEDIMENT TRAP IS LOCATED WITHIN AN AREA OF PROPOSED PARKING. THE UPSTREAM AREAS WILL NEED TO BE CONSTRUCTED AND STABILIZED PRIOR TO REMOVING THE SEDIMENT TRAP. 7.2. WHEN THE DENUDED DRAINAGE AREA TO THE BOX CULVERT IS LESS THAN 1 ACRE, THE SEDIMENT TRAP CAN BE REMOVED AND THE INLET PROTECTION AT THE BOX CULVERT GRATE WILL SERVE AS THE PRIMARY CONTROL DEVICE. 7.3. AS REQUIRED, ENSURE THE INLET PROTECTION AT THE BOX CULVERT IS MAINTAINED AND OPERATIONAL PRIOR TO REMOVAL OF THE SEDIMENT TRAP. 8. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS ACHIEVED. TREE PROTECTION, SILT FENCE, CULVERT INLET PROTECTION AND INLET PROTECTION BELOW SEDIMENT TRAPS MUST BE MAINTAINED THROUGH GRADING AND CONSTRUCTION. 9. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABILIZED, EROSION CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE E&S INSPECTOR. 10. AT ALL TIMES, PROTECT THE NATURAL WATERWAYS FROM ANY SEDIMENT LADEN RUNOFF. TTEMPORARY BYPASS PIPES (VESCH TEMPORARY SLOPE DRAIN, OR EQUIVALENT) MAY BE REQUIRED TO DIVERT STORM DRAIN WATER AROUND SITE AREAS. SAFE WORK ENVIRONMENT CONTRACTOR SHALL PROVIDE A SAFE WORK ENVIRONMENT AT ALL TIMES. THE LIMITS OF WORK ARE LOCATED WITHIN AN ACTIVE GOLF COURSE AND RESORT FACILITY. CARE SHOULD BE GIVEN TO MONITORING SAFE PERIMETER CONDITIONS AND LIMITING ACCESS INTO WORK AREAS. MAINTENANCE OF TRAFFIC, INCLUDING CONSTRUCTION TRAFFIC, SHALL BE COORDINATED WITH UVA FOUNDATION. TRANSPORTATION PROGRAMS SHALL BE ESTABLISHED TO PREVENT CONFLICTS WITH PASSENGER VEHICLES, PUBLIC TRANSPORTATION, PEDESTRIAN TRAFFIC, AND GOLF CARTS. AI(1TC NO GEOTECHNICAL REPORT HAS BEEN PREPARED. 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 4D Ashe loam, 15 to 25 percent 28.3 7.2% 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT slopes TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION SEDIMENT CONTROL REGULATIONS. 513 Belvoir loam, 2 to 7 percent 5.8 1.5% 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO slopes BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50/50 ON THE SITE AT ALL TIMES. 14B Chester loam, 2 to 7 percent 7.7 2.0% IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE slopes COUNTY EROSION CONTROL INSPECTOR. FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 14C Chester loam, 7 to 15 percent 11.0 2.8% INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT slopes 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE 14D Chester loam, 15 to 25 percent 18.5 4.7% PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT slopes 14E Chester loam, 25 to 45 percent 10.2 2.6% CONTROL INSPECTOR. slopes 0.4 0.1% 15E Chester very stony loam, 25 to 45 percent slopes ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIR IMMEDIATELY. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND 19B Cullen loam, 2 to 7 percent 67.6 17.2% GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING slopes SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 19C Cullen loam, 7 to 15 percent 37.0 9.4% TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. slopes ZONING ORDINANCE SECTION 5.1.28. 19D Cullen loam, 15 to 25 percent 15.4 3.9% slopes BE LIMITED TO THE HOURS OF 7:OOAM TO 9:OOPM. 20133 Cullen clay loam, 2 to 7 2.1 0.5% percent slopes, severely eroded 20C3 Cullen clay loam, 7 to 15 26.0 6.6% percent slopes, severely eroded 18.8 4.8% 20D3 Cullen clay loam, 15 to 25 percent slopes, severely eroded 25B Dyke silt loam, 2 to 7 percent 2.9 0.7% slopes 25C Dyke silt loam, 7 to 15 percent 1.4 0.4% slopes 26C3 Dyke clay loam, 7 to 15 2.6 0.6% percent slopes, severely eroded 36B Hayesville loam, 2 to 7 percent 22.4 5.7% slopes 36C Hayesville loam, 7 to 15 55.0 14.0% percent slopes Hayesville loam, 15 to 2536D 3.6 0.9% percent slopes 37C3 Hayesville clay loam, 7 to 15 1.9 0.5% percent slopes, severely eroded USD,\ Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 2/14/2018 Page 3 of 4 PERMANENT STABILIZATION ALL NON -PAVED AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING OR SOD IMMEDIATELY FOLLOWING FINISHED GRADING. REFER TO GOLF COURSE ARCHITECTURE PLANS FOR APPROPRIATE SEED MIX. SEQUENCE OF INSTALLATION PHASE I & II ARE PROPOSED WITHIN A SINGLE PLAN (SEE SHEETS C501-0504) THE PROPOSED WORK WILL BE COMPLETED IN STAGES WITH EFFORTS FOCUSING ON DIFFERENT AREAS OF THE SITE AT A TIME. THE DIFFERENT STAGES OF WORK ARE SEPARATED BY SUB -AREAS, WHICH WILL BE DETERMINED AT THE TIME OF CONSTRUCTION AND COORDINATED WITH THE INSPECTOR AND ENGINEER. SUB -AREAS ARE DEFINED AS WORK AREAS ASSOCIATED WITH SPECIFIC E&S CONTROLS, SUCH AS DRAINAGE AREAS TO SEDIMENT TRAPS AND BASINS. THE E&S CONTROLS ASSOCIATED WITH EACH SUB -AREAS SHALL BE INSTALLED PRIOR TO STARTING WORK WITHIN THAT SUB -AREA. THIS STRADEGY IS INTENDED TO DELINEATE SMALLER AREAS OF WORK THAT CAN BEGIN PRIOR TO CONSTRUCTING ALL E&S CONTROLS FOR THE PROJECT. THE CONTROLS THAT ARE PROPOSED ADJACENT TO BODIES OF WATER STREAMS, PONDS, WETLANDS) SHALL BE INSTALLED AS THE FIRST MEASURE OF WORK WITHIN A SUB -AREA. IN GENERAL, THE WORK SHOULD BE PERFORMED FROM THE MOST UPSTREAM PORTION OF EACH SUB -AREA, SUCH THAT THE UPSTREAM AREAS ARE CONSTRUCTED AND STABILIZED BEFORE MOVING DOWNSTREAM. FOR INSTANCE, AREAS FURTHER AWAY FROM THE PONDS SHOULD BE CONSTRUCTED BEFORE AREAS THAT ARE ADJACENT TO PONDS. THIS SEQUENCE WILL REDUCE SEDIMENT LADEN RUNOFF FROM CROSSING NEWLY CONSTRUCTED AREAS. ONSITE PONDS THE ONSITE PONDS ARE SUBJECT TO MAINTENANCE, WHICH IS INCLUDED IN THIS SCOPE OF WORK. WORK WITHIN THE DRAINAGE LIMITS SHOULD BE STABILIZED PRIOR TO DRAINING AND DREDGING PONDS (SCOPE OF WORK IS INDEPENDENT OF PROPOSED DEVELOPMENT, BUT IS IMMINENT). MITIGATION AREAS MITIGATION AREAS ARE PROPOSED WITHIN THE SITE, SPECIFICALLY NEAR STREAMS AND WITHIN NEW AND EXISTING STREAM BUFFER AREAS. THE STREAMS SHALL BE PROTECTED AS SHOWN IN THE E&S PLAN SHEETS AND INSTALLATION SHALL OCCUR AS THE FIRST MEASURE OF CONTROL FOR WORK WITHIN THE DRAINAGE AREA. WORK WITHIN MITIGATION AREAS SHOULD BE COMPLETED AFTER ANY UPSTREAM DEVELOPMENT HAS OCCURRED. MITIGATION WILL REQUIRE MECHANIZED EQUIPMENT TO REMOVE INVASIVE SPECIES AND CONSTRUCT VEGETATION IMPROVEMENTS - WORK WITHIN THESE AREAS IS LIMITED TO MITIGATION AND SIGNIFICANT EARTHWORK IS NOT PERMITTED. AFTER THE MITIGATION WORK HAS BEEN COMPLETED, THE MITIGATION (BUFFER AREA) SHOULD BE FLAGGED TO LIMIT FUTURE DISTURBANCE DURING CONSTRUCTION. WHEN THE MITIGATION AREAS HAVE BEEN STABILIZED THE E&S CONTROLS ADJACENT TO THE STREAMS SHOULD BE REMOVED. 1. INSTALL ALL EROSION AND SEDIMENT CONTROL MEASURES SHOWN ON THE PLAN (WITHIN THE SUB -AREA), STARTING WITH PERIMETER CONTROLS AND THE CONSTRUCTION ENTRANCE. 2. AFTER ALL OTHER EROSION AND SEDIMENT CONTROL PHASE MEASURES FOR A SUB -AREA ARE IN PLACE AND APPROVED BY THE E&S INSPECTOR, SITE WORK CAN BEGIN. 3. ROUGH GRADE PROJECT AREA. 4. SEED OR SOD ALL DENUDED AREAS PER VESCH STANDARDS. 5. FINE GRADE PROJECT AREA. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS ACHIEVED. REFER TO MS -1 FOR TEMPORARY STABILIZATION REQUIREMENTS. 6. ALL STORMWATER PIPING & STRUCTURES SHALL BE INSPECTED FOR COUNTY GENERAL CONSTRUCTION NOTES FOR E&S CONTROL PLANS SILT/SEDIMENT. IF PRESENT, SILT/SEDIMENT SHALL BE CLEANED OUT FOR THE SYSTEM TO THE SATISFACTION OF THE E&S INSPECTOR. 7. ONCE THE DRAINAGE AREA TO THE SEDIMENT TRAP HAS BEEN STABILIZED AND APPROVED BY ESC INSPECTOR REMOVE SEDIMENT TRAP. 7.1. THE SEDIMENT TRAP IS LOCATED WITHIN AN AREA OF PROPOSED PARKING. THE UPSTREAM AREAS WILL NEED TO BE CONSTRUCTED AND STABILIZED PRIOR TO REMOVING THE SEDIMENT TRAP. 7.2. WHEN THE DENUDED DRAINAGE AREA TO THE BOX CULVERT IS LESS THAN 1 ACRE, THE SEDIMENT TRAP CAN BE REMOVED AND THE INLET PROTECTION AT THE BOX CULVERT GRATE WILL SERVE AS THE PRIMARY CONTROL DEVICE. 7.3. AS REQUIRED, ENSURE THE INLET PROTECTION AT THE BOX CULVERT IS MAINTAINED AND OPERATIONAL PRIOR TO REMOVAL OF THE SEDIMENT TRAP. 8. APPLY PERMANENT SOIL STABILIZATION TO THESE AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS ACHIEVED. TREE PROTECTION, SILT FENCE, CULVERT INLET PROTECTION AND INLET PROTECTION BELOW SEDIMENT TRAPS MUST BE MAINTAINED THROUGH GRADING AND CONSTRUCTION. 9. ONCE CONSTRUCTION IS COMPLETE AND ALL CONTRIBUTING AREAS ARE STABILIZED, EROSION CONTROL MEASURES CAN BE REMOVED UPON APPROVAL FROM THE E&S INSPECTOR. 10. AT ALL TIMES, PROTECT THE NATURAL WATERWAYS FROM ANY SEDIMENT LADEN RUNOFF. TTEMPORARY BYPASS PIPES (VESCH TEMPORARY SLOPE DRAIN, OR EQUIVALENT) MAY BE REQUIRED TO DIVERT STORM DRAIN WATER AROUND SITE AREAS. SAFE WORK ENVIRONMENT CONTRACTOR SHALL PROVIDE A SAFE WORK ENVIRONMENT AT ALL TIMES. THE LIMITS OF WORK ARE LOCATED WITHIN AN ACTIVE GOLF COURSE AND RESORT FACILITY. CARE SHOULD BE GIVEN TO MONITORING SAFE PERIMETER CONDITIONS AND LIMITING ACCESS INTO WORK AREAS. MAINTENANCE OF TRAFFIC, INCLUDING CONSTRUCTION TRAFFIC, SHALL BE COORDINATED WITH UVA FOUNDATION. TRANSPORTATION PROGRAMS SHALL BE ESTABLISHED TO PREVENT CONFLICTS WITH PASSENGER VEHICLES, PUBLIC TRANSPORTATION, PEDESTRIAN TRAFFIC, AND GOLF CARTS. AI(1TC NO GEOTECHNICAL REPORT HAS BEEN PREPARED. 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAN PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED BECAUSE 0 SLIDES, SINKING, OR COLLAPSE. ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION SEDIMENT CONTROL REGULATIONS. CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE BUILDING OR OTHER PORTION OF THE PROPERTY. FIRST STEP IN CLEARING. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50/50 ON THE SITE AT ALL TIMES. MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER COUNTY EROSION CONTROL INSPECTOR. FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF, CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT DETERMINED BY THE PLAN APPROVING AUTHORITY. 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% 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL 80LBS1100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION STABILIZATION IS ACHIEVED. CONTROL INSPECTOR. 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. DEVICE. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIR IMMEDIATELY. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WET STORAGE VOLUME IS FILLED WITH AFTER EACH RUNOFFPRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING IMMEDIATELY. SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 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:OOAM TO 9:OOPM. Soil Map -Albemarle County, Virginia Birdwood Golf Course TH O.F f FOEI40DO U N Le. No. 048 60 Q 26t8 -015 11 o 4SSIONAL M E 0 0 MU VrV E LU v E uw U 0 Q `! w o o w L LU O ra C UjL M Qa J U co w J - n A p (V U 1L rV xO Q J Q cl W a;w L 2 WN U LnQ - CLn rnON U N M a- 0000 J IL O Ll Z 0 7 z O a U U) LU z O U) w W O a O w W DATE 03/02/18 DRAWN BY 1. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE w W Q V / cl/ 01. Q O z J U o Q LL > Jaz 0 0zz O W Jz 0 ... LU O m H Q 0 O w U7 O6 0 z LL O H4 m 0 01. Uj JOB NO. 40490 SHEET NO. C500 Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 56B 66D Meadowville loam, 2 to 7 percent slopes 15.2 1.1 4.2 3.9% 0.3% 1.1% Parker very stony loam, 15 to 25 percent slopes 76 Riverview loam 77 Riverview-Chewacla complex 13.3 3.4% 81C Thurmont loam, 7 to 15 percent slopes 1.4 0.3% 96B Worsham loam, 2 to 7 percent 3.9 slopes 1.0% W Water 16.2 Totals for Area of Interest 393.8 4.1% 100.0% TH O.F f FOEI40DO U N Le. No. 048 60 Q 26t8 -015 11 o 4SSIONAL M E 0 0 MU VrV E LU v E uw U 0 Q `! w o o w L LU O ra C UjL M Qa J U co w J - n A p (V U 1L rV xO Q J Q cl W a;w L 2 WN U LnQ - CLn rnON U N M a- 0000 J IL O Ll Z 0 7 z O a U U) LU z O U) w W O a O w W DATE 03/02/18 DRAWN BY 1. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE w W Q V / cl/ 01. Q O z J U o Q LL > Jaz 0 0zz O W Jz 0 ... LU O m H Q 0 O w U7 O6 0 z LL O H4 m 0 01. Uj JOB NO. 40490 SHEET NO. C500 WA WAQINA7Gsa xi • +f JI1.1 7rilrl%C it, ' C1V t': r i e 9 R\ tl it9:1._ S ies•,d aV1rA. 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S - --' - - , -"°----'\ REBPR ALIQANbN GN . SSF , 1 , I : `j REBAR / kILMO MATCHLINE SHEET C502 _, EROSION & SEDIMENT CONTROL NOTES THIS SHEET DEPICTS PHASE 1 & 2 PHASE E&S CONTROL PLAN. 5. MODIFICATIONS TO THE PROPOSED E&S CONTROLS AND EROSION CONTROL LEGEND REFER TO EROSION AND SEDIMENT CONTROL NARRATIVE FOR PLAN MAY BE APPROVED SUBJECT TO SITE INSPECTOR NO DISTURBANCE LIMITS OF DISTURBANCE SEQUENCE OF CONSTRUCTION. AND ENGINEER. SEE SHEET C505 FOR SUPPLEMENTAL WORK AREA E&S CONTROLS STRATEGIES. 1. ALL CONSTRUCTION TRAFFIC ACCESS IS TO BE LIMITED DRAINAGE DIVIDE TO CONSTRUCTION ENTRANCES. 6. THE PROPOSED WORK WILL REQUIRE FIELD VESCH VESCH 2. DRAINAGE DIVIDES SHOWN ARE USED FOR HYDRAULIC ADJUSTMENTS THAT WILL MODIFY THE PROPOSED GRADING. CE CONSTRUCTION ENTRANCE - TSD TEMPORARY SLOPE DRAIN 3.15 ANALYSIS AND DO NOT REPRESENT AREAS OF COUNTY STD. PAVE WASH RACK DISTURBANCE. A NRCS CURVE NUMBER OF 94 IS USED FOR THE DENUDED PERVIOUS LAND AREA BASED ON 7. WORK WITHIN MITIGATION AREAS IS LIMITED TO MITIGATION SCOPE SFX X SILT FENCE 3.05 OP OUTLET PROTECTION 3.18 SOIL/COVER CONDITIONS. 3. REFER TO EROSION AND SEDIMENT CONTROLSSF NARRATIVE ON SHEET C500 FOR ADDITIONAL MITIGATION AREA O SUPER SILT FENCE 3.05 DS DEWATERING STRUCTURE 3.26 c 00 Q z INFORMATION, COMPUTATIONS, AND DETAILS. 4. THE E&S CONTROLS ASSOCIATED WITH AN AREA OF CWD DD DIVERSION 3.12 TP TP TREE PROTECTION 3.38 SCALE 1"=100' WORK SHALL BE INSTALLED PRIOR TO STARTING WORK WITH THE ASSOCIATED DRAINAGE AREA. SEE SHEET STO SEDIMENT TRAP 3.15 TC - - - - - O TURBIDITY CURTAIN 3.27 0 100' 200' C505FOR INFORMATION ON SUB AREAS. SB SEDIMENT BASIN 3.14 SS 0 0 0 SILT SOCK L TH op4JODIeN U Li. No. 048 60 SSIONAL rO E O pV N N E ui Lu Q u- 3 u. O W O a -1 U 00 JH W rq N O x a2 LL 04 =. U j Q C Lr) 01 O N IULAM a ,q- 00 J CD Lu D F- z O U V) Lu z O V) Lu IY Z U W Q ti W 00 ti Lu r'j Lu O a o DATE 03/02/18 DRAWN BY J. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE z W Q V / J O 0 ULL z O U J r O 0z V WW J 2: QQ H Lu Q0 °° J (W 0 Q V/ 3: C6 C) z LL O HMS '~^ W v , 0 0 Lu JOB NO. 40490 SHEET NO. C501 0 a N UC O m 0 3 c c3 EL 0 a o Z m0 02c T H 0 0 ac CN 0- U 0 c ZN o 2 a ow aw 2 Q. o caUO N O L- 1 11" \ 1 1, \\ / / I 1 1 1 I ja 1 J r / / \ ' 7 ! / l / / , - / I \ I I 1 I I 1 / , I I 1 1 , I AI ,,,..•--- -. II . , IIII , Ii \`\\`;;, ` -- •` / /i' / / { 1 / '// r ,-' ' l / ' / / /r / 1 / ; \ .--' ; 1 1 \\ 111 / N,SEI"`F `` ``::\ \. / ' ' ® _ / // / / , !. r I /f / r /^ _, •' I, n .• II ' \1 I :\ ,\ '' f /` r r r/ _,,\,/ I- 11,1, Ir I 1 - - r /' r _/ l I I \ \ / I / l/ I / / 11 -- + / / A/"' / _ / i `1' \` ` % - '' _ r/ h 1 / . / , J r / h I . / // /, / / . / / / /l jQ"f / 9 ,, , / / / TTe \ , \ _ - I - ` EES` /' r , / l / / •/ , / , , , / / , / r 1 \ \ \ I I I I \ , I s` I , // / ,r °° \ \ .. r `\ / . - — — I / r ' / //. 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SfANPED ASC 501 ` ^ \ ` ti ,' ' `' 1 I r / \ \ --- _ \ `\\ \; `` L ST3J2' i VD 81,Ns)s i / _ 1 I r , 1 , , / / / , SF / / r l / , I I t , , 1, O I /. - .\". \ ` \ - -!' / / Oil ' / ' 1 / / // ' , l IN. --'r' _- _ - "-. r r , l 1 /rr / , I I1' - I \ - o — . _ ,/ / \\1pr6L,ir , / r i, \\ `` ___ n/r `\ r 1 - O -` CWD _ / r' 1 ` , i\! 5l' ' r' '' ` \ ``'' `\\\ ``\\ _--------- / ' `\ \ i --- ; SF l / '' Q \` \ - \\`._\\`+J' I -\\ _ _ _'_- / r/ l I/l 1 , III 1 11 l; 111 1 I C • P • .0 ) I -''. , \ _ 'i , / = 1 / , '` ``; \ 11 _ter fw..baf \ -- i // \\ \ / /' ' / , ' '/ ' l l iS __ / / — -• i5W __ '/ --_ / \1``111 / / / _ .r _ _ / j I / (.` _, :/— ___ _ ' r' \ __ ' / ; , 11 : , I / \-_,•_• r l/iii/1 \•,` ___`-a _/ ;,' `\; \ ._ • ,. / , ,. _ °,^ `_ /, /,, ; ;, i ; 1 „ ,r, l A ;, ,,,,,_ \ I \ ' A O \ \ _, -1 SE;TREES 1\ _ i;,,// „ \ ` 1 ,1'/ \ CWD _ \\ ' _ I I WFS cq, \ \` \ , 1 c / / / , ' //' r' 11'' /''- ') /'/ _`%,, , ' \ / , I " `` _^ `:; `: \ \\•,` ''` " II..Ih 1 17'O VVJIJ ,, ,/' - _ ,. ; , 1 / / r 1 , ,T; ;', I ( / , I 1 / ST: 2.5 AC 4,550 CF DRY (1'D 4,550 CF WET (1 D l r \ / ' / I < \ , \ ` `\ \ - 1 , , \ !, ,// //,r / // rr//i' -/A / \ _\, \ \" \` --_^ __ 111 -- _ r / // / r r / III , ` I 1 \ Off'• i'r /'/ ' / " r \ \ \ \ \ \ I \ -- - 'i / \ _ ' r / , , I I I _ _ _ r^ -, '/ ' . / % ' ` 518 BOT ELEV I/ - 1 I 1 rNI 3' FROM BOTTOM 1 \,\, TO WEIR 15' WEIR WIDTH iii%/ " " ---^,_ _ _ `` ` lr/i , \ `\ , J y ` `. 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' r ' ' 519 BOT ELEV Uvvv\A 1" \' '\ / I `':\\ Ilu I, / r , , \ ` \, \ ' / /\ I , \ r ' - ) \ ` \, _!- .' . /' ' ' I I r ' I \ / , 3' FROM BOTTOM tvvvv\A ,\\ \ \` Q 11 , \ \ I 1 I TO WEIR Azvvvvy, I' \\ 1 `` - - ` 111` S \ , ? / \ y i I (/// d \ \ \ ;; {{\ \ \ \ , \ 1 ,, \ / , r \ ` ` !a,... / . _ / , I I I I ` I 1 1 I , 111 ,Iq`\/ /`%\\\ : .J`\ \\ \ , \\\\\ \ I ,' O `\ . , , I 1\, 1 , , i I I 1 I - -- ,` \ . \ 1 / . ` ' r / I \ \ ( t I 1 ,,' 15 WEIR WIDTHI\ - - 1 I II -II I I I '• // I ' ``\' ''' r' ///' — 41 `,\\` \` , , \ , , \ \ \ c `\ \ \ \ I / M/ \\ \ \ `\ `` / - \\ ` SSF AlF 1 , `\.' , ' ' 'iri , ,\\ `• i i1' Ir/ \ r,\\,\`\` \\` \ I / I 1 1 , \ ' ' ' .SSFII I A , A „ V A A , 1 i, KD NN\ ST7 1, `\` ' ,. l _ / , , tom'/`•`•`, ;,`, r= % _,'', ;. , / \. - \ ,\ ` , _ -ST3 , - _ i =_: - -. \, ,''s;/ ink CF DR1' DEPTH`: : :' I N`S6 TREES / 1-; , S / '' `. \. \ .~ • ss,. y , _ - 1 \ ,, / r, \\.\\ \ 500 ET (1Ip lz OT ELEV OTTOM ST: 1.5 AC r \ I / 1 - t 2,750 CF DRY 1' DEPTH 21750 CF WET (1' DEPTH) 1 111 I ' , r ` t} \ - \`-' 'y =;\ 1 r ` ©,' , , . / _ - _ - `t / ,.-5- r- 1 ,_\ 1 O' I \ `\ ` r • ,` \` i'l% ^y.v _ I 1 '/ _ _' /. 513 BOT ELEV T FROM BOTTOM TO WEIR 1 i ' ` \ \ \ 1 11+ \ \ ° \ F` = ` , , `\ ' \ \ \ \ / lu'I y!\171 s Id• I l ri 1 \ \ \ , 1 'i'( / / . / . / 9' WEIR WIDTH 11 \ \ _ ,I,,/// 1 "\i/ ` ` ` .` -.`,\ —`-i'=/i+7 78( V(,`I`f`WA1` `\ li/'11r /' `\' ` \` _ \ O;' ,\\ I I ,, , 11/ D /`` ` / / / / / ' 1//'/,(Q,'.:'i'/ . 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DRAINAGE DIVIDES SHOWN ARE USED FOR HYDRAULIC GRADING. CE CONSTRUCTION ENTRANCE COUNTY STD. PAVE WASH RACK - TSD TEMPORARY SLOPE DRAIN 3.15 ANALYSIS AND DO NOT REPRESENT AREAS OF DISTURBANCE. A NRCS CURVE NUMBER OF 94 IS USED 7. WORK WITHIN MITIGATION AREAS IS LIMITED TO FOR THE DENUDED PERVIOUS LAND AREA BASED ON MITIGATION SCOPE SFX X SILT FENCE 3.05 OP OUTLET PROTECTION 3.18 SOIL/COVER CONDITIONS. c MITIGATION AREA 00 3. REFER TO EROSION AND SEDIMENT CONTROLSSF SUPER SILT FENCE 3.05 DS DEWATERING STRUCTURE 3.26 Q NARRATIVE ON SHEET C500 FOR ADDITIONAL O z INFORMATION, COMPUTATIONS, AND DETAILS. 4. THE E&S CONTROLS ASSOCIATED WITH AN AREA OF CWD DD DIVERSION 3.12 TP TP TREE PROTECTION 3.38 SCALE 1"=100' WORK SHALL BE INSTALLED PRIOR TO STARTING WORK WITH THE ASSOCIATED DRAINAGE AREA. SEE SHEET0 100' 200' C505FOR INFORMATION ON SUB AREAS. nST SEDIMENT TRAP 3.15 (TC — — — — — TURBIDITY CURTAIN 3.27 SB SEDIMENT BASIN 3.14 s 0 0 0 SILT SOCK - TH 01, I OD N U Lic. 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' 1' 1 I , - , I , 1 I , 1 \ I I TO WEIR l % `\ , 1 l ` \ \ \,`1 _',` , , \ \ / , I ' I I' I /' 1' , /! ' ' \ , , \ \ \ , III 1 I 1 I 1 1 11 I 18' WEIR WIDTH It NN 1 , \ \ 1 \ \\ \ 1 , ,1 , I, / ,,, ' \\\ \\\\\,\ \ 11 1 I `I1 , /' `0l 1 I \ \ II _ .`,\ , \ / r I / 6 e e `, ,\ , / I1 \1t;i1 1 ' l I I 1 ` r \ \. \\ 1 _1 \I / , \\ ` / \ ,. ' i / \ e \ o• , \\ , \\\ vi /'/ , \ , \ \t ' It bENSE IREEJ\ D NSE TREE \ \ a // ,... \ a \ \\ I ' \ \ \" \ \`. \\ , , / TMP 76 -OA -17 TR S- 1 DENSE $ i \ \ \` \ _ / UNNEIj61TY`OF 1 I I I , (,/ , / / 1I , I II 1 1 1 / / / xlftENSE1RFES` t \ \ \ ` - `` , `` \ \\ ' ,', \ / / \``,Y• rte'' . \, \\ ` , \ \ `, , - ,, ., ` t `` `` `` , .,\^ / / / '/ / Y (,, - I \ \ \ ` u \\, , \ O\ \\ \ / / D. Pd 45 I , ' i ' / / r III 1 \ \\ i T•T1np , 7 1 , \ \ ` 1 I 1 1 \ 1' TMP 76 -OA -18 t ` `, / 1 1 / ` r i i /i / ''. SE TRE \ \ / ' /I I/I lw] it 11 \ilt \ ` 1 li`\\ r 1 , 111 I 1 t\ , ` / ' / / I I I I 1 1 / , ', I ii 1 , ,r I 1 , \ 1 , \ \ 1 I I 1 rII r 1 1 , / / \ / / 1 / / 1 / r r ' ` ` 1 1 1 / / / , , , , \ ' / / 1 l I 1 1 1 l , 1 1 \ \ ` `1 — \\ , , _, , r QpQ 1 1 I I SSF r / h/ , 1 t \I / r , \ 1 1 \ ' ( , 1 ( \ \ \ \ \ \ I11 - 11, 11r , I 1 / , J f r / E TREES r ' 1 ( ' , /'/ 'ii' / i /' SE TRIE / r I r ,t \ ^\- =', / I r l I 1 r I , I / I 1 I ' / / / / /' 1 l , I l 4 ) t ,' ` \ - t , \ \ 1 I \ dEIJSE TR ESS',\` - 1 \ S I I I , ' , - ,\ _ \ - \ \ ` 11e , ST: 2.3 ACDENS€ FREE$ / I I \ 1 \ r ' , / 1 I \ 1 l I I '/ / // i / \ I \ . ; `\ ` ` \ ` `\ I 11 1 1 / 1 ` I — `--'/ l, S, \r ,' , 11 l , , 11 \ 1 l,l ' / ' 1 1''y T \,, \` `, IrII II( I \ \ 400' \ ' / / (.50,7J, , / , I I I 111. 1' 1 1 1 I 1 , , \ \ ` , , I 1 I 1 ,, ` l , - _ ,,- , \ ` , I \ \ \ 1 ` r I ` I` I, I ' 1 I 1 I , ,\ 1, /r - ` , `` 1 1 I I / / r I i I I 4,200 CF DRY (1' DEPTH) r \ I TREEs ``, _ _ - 5W /1' ' ,, , =1-, -',1 1 OF I 1 \ 1 I1 E#D, , + 'fill l 1„ DENS E 4,200 CF WET (1' DEPTH) L ` _ / , / { ,, , 1 • ! _ / , 1 I I \ „ I I IIII I , l , , 1, \ , \ , Nil\ :; I \ \ 1 \ \ _ _ / I. < , I • l I 535 BOT ELEV JA— I 3'FROMBOTTOMTOWEIR I 11 I I 1 1 I 14,WEIRWIDTHrI '1. 1 . \ \\,1 I / 1 I I I , A \ ,__ ' / r \ N R _ \ i (\ \ \ \ , tl 1 , „ ,... \ r i"/ 1 \ I / / /`,E DENSE TREES I / N E'TREE _ DNS6 TR / / / / / 1 1 d tl \\ 1 , , \` \` \\ \ \ // 1 ` „ I \ \ /, • ql \t i ` / / /,'r // 69 ACRES OF ' ' DOSE IIB 1 r `\ 1 I I/'\ \ \ 11JF I 'CWD DISTURBANCE ' I .' ` -\ , , ' 11 t\ 1\`\ `I 11\I\ 1\\ \ \\ \1 \I \1 \ \ \` \ , . ',', I SF 'J \ \\ \ i \ t \ . \``,`, .` 1 I / , / /, r,^, REA OF POND \ I /' ' 20 I 1 „( , ` '/ / ' \ `` , \ 1 I \ \ 111111\ \'ll 11. •' ` • " I / , / / 11 // 1 ` r 1 "/ ' ` \ / / ' ` \\ \\ \ ` 1 1 1 ` \ `: \ \ \ \ \ l' 1 ,-II DD / %. , /r r l 1 r 1, / / " DENSE --TREE \ S. , 1 I \ \ 1 1 1 1 Il I I 1`I I I`• ; , , \ ' D`9E iR ES II I I \ 11 N I 111111 I 11 1 . \ \ \ , \ __ _ __ I 1 0' / I _ „ . 1 / /¢ r 1 1111 •1111 + `, `\ 5,000 CF DRY (1 DEPTH) 1 s \ - - , I' 1 1 1 DENSE TREES 1 1 1 6Ns6`T€E TMP fiCuE D i 1 \ "\\ \, \`, - ---\ ` - -- `;i ,'/' / // \,\; ,\\\ \ \ 1 / / / \\\" 1 //// , /' 1`\"\- ' ' '1'1111 --- __ _ ,- _. , / II„ \\ /1 _ \ SF \,• - —/----,\`\\` 7'-',/ , I \\\\, \ r/ / ,11\ltl 1\ / // 11'I`rI' r Il,r\1, _ _ - — _ — '' '/./,/ NNTREES f ` -cam 1 \ \ \ ? + / I \ \ \ ` \ I I I \ Ca51 j- DD O- • //, . / / CWD IN ` , Sr- c: F I \ , '--t I kt,NSE ITR4 \ 1 < I —'r r , , < l \ \ \ \ , / ____'./. ,, / /, _' // ` I 1 1 1 , / , , r , I I I \ \ \ \ - -_ - _ / , _`. / DD - ' ,\` ` ,\, , , I 11 , , , , , , , , , r l I,,,I,I, 111 1 ` \ _ — _ — f,;, _ - % — _ _ ` — ; ' ' MATCHLINE SHEET C5041 ` \ ` '. /.' ./ 'r I I III 1 I , \ \ :' /I/ E '/j' YREES; 1 ` \ ' . S Nam / EROSION & SEDIMENT CONTROL NOTES THIS SHEET DEPICTS PHASE 1 & 2 PHASE E&S CONTROL PLAN. REFER TO EROSION AND SEDIMENT CONTROL NARRATIVE FOF SEQUENCE OF CONSTRUCTION. 1. ALL CONSTRUCTION TRAFFIC ACCESS IS TO BE LIMITED TO CONSTRUCTION ENTRANCES. 2. DRAINAGE DIVIDES SHOWN ARE USED FOR HYDRAULIC ANALYSIS AND DO NOT REPRESENT AREAS OF DISTURBANCE. A NRCS CURVE NUMBER OF 94 IS USED FOR THE DENUDED PERVIOUS LAND AREA BASED ON SOIL/COVER CONDITIONS. 3. REFER TO EROSION AND SEDIMENT CONTROL NARRATIVE ON SHEET C500 FOR ADDITIONAL INFORMATION, COMPUTATIONS, AND DETAILS. 4. THE E&S CONTROLS ASSOCIATED WITH AN AREA OF WORK SHALL BE INSTALLED PRIOR TO STARTING WORK WITH THE ASSOCIATED DRAINAGE AREA. SEE SHEET C505FOR INFORMATION ON SUB AREAS. 5. MODIFICATIONS TO THE PROPOSED E&S CONTROLS AND EROSION CONTROL LEGEND PLAN MAY BE APPROVED SUBJECT TO SITE INSPECTOR AND ENGINEER. SEE SHEET C505 FOR SUPPLEMENTAL E&S CONTROLS STRATEGIES. 6. THE PROPOSED WORK WILL REQUIRE FIELD ADJUSTMENTS THAT WILL MODIFY THE PROPOSED GRADING. 7. WORK WITHIN MITIGATION AREAS IS LIMITED TO MITIGATION SCOPE MITIGATION AREA z O a U V) Lu z 0 V) Lu Z U W Q ti W 00 ti Lu rj Lu O a o DATE 03/02/18 DRAWN BY J. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE z W Q V J J 0 LL 0 U z 0 LL U J r O 0z W Lou J Q Qco H OW Q J LouQ O C6 C) z LL O W v , 0 Lou JOB NO. 40490 SHEET NO. C503 0 a N UC 0 w co 3 m 0 z c m 0 am a) a 0 c co5 acCc CcCc O a, O 3 c m d 50 00 o Vz O ogc Tc0 0 a c Cc 0- U Oa zN O Q ow ania :s o a o NUO axi O NO DISTURBANCE LIMITS OF DISTURBANCE WORK AREA DRAINAGE DIVIDE CE VESCH CONSTRUCTION ENTRANCE -TSD COUNTY STD. PAVE WASH RACK VESCH TEMPORARY SLOPE DRAIN 3.15 SFX X SILT FENCE 3.05 OP OUTLET PROTECTION 3.18 SSFXX XX SUPER SILT FENCE 3.05 DS DEWATERING STRUCTURE 3.26 c 00 Q Z CWD DD DIVERSION 3.12 TP TP TREE PROTECTION 3.38 SCALE 1"=100' ST SEDIMENT TRAP 3.15 TC — — — — — TURBIDITY CURTAIN 3.27 0 100' 200' SB SEDIMENT BASIN 3.14 SS 0 0 0 SILT SOCK - z O a U V) Lu z 0 V) Lu Z U W Q ti W 00 ti Lu rj Lu O a o DATE 03/02/18 DRAWN BY J. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE z W Q V J J 0 LL 0 U z 0 LL U J r O 0z W Lou J Q Qco H OW Q J LouQ O C6 C) z LL O W v , 0 Lou JOB NO. 40490 SHEET NO. C503 0 a N UC 0 w co 3 m 0 z c m 0 am a) a 0 c co5 acCc CcCc O a, O 3 c m d 50 00 o Vz O ogc Tc0 0 a c Cc 0- U Oa zN O Q ow ania :s o a o NUO axi O r \\ \ ` \ \ \ `\\` \\\`\\ 6N 6; TREES `\`` _'- \ 1II t\\ 111\\ \\ I II I ----- -_-_- •, / r I , HL' H 03 TMP 75-63 \`\ : 1 `, , ' ` \ , 1 \\\; \ _ _ POND 3 - —t__ UNNERSITYOFNRGINIA .1_ \\\ \ - / , t ' 1 1 ` ` `\ \ `\ I\ --'' --_ \ \ \ \ \ -_ .` - / /DEys 4J ,/ / , /' , `` ; ; \ , , SF r I / I I 1 1 \ \ 1 \ \ \11 ll' I1, 111 // / . / ' 69 ACRES OF TOTAL , 1 1 1 E`_\\``\\ ; \\ \`\ FOUNDATION 1` `\\ \`\ \ `' ' 1 I t` `\` ` ` `_-"''-----\\, \ \\ \ ` •\ _ -' \, •_`.- , / -' / // I .. ` \\ \\ \ 1 ' I '' ' ' \\\\\`\\/ 1 1 \\ \ \ \ ` \ ,'/ , / 1/ \ \\ \ \ / ` l ' D.B. a662, PG. 574. 577 , \ \ \ 1 \ _ / / , \ \ \ \ \ , \ \ \ 1 / , / ' \ \ ` , ' PA `\ `` \ 11 ' i i ' \\`\ - / _ \ \ - _ - `\\,.ti / -":' / ` ` `\ ` ` 1 1 / / \ \ 11 1' 1 'ill ' // / / , , I \ , \ D.B. 2933, PG. 80, 85 \ \\ \ 1 \ I I I I - , _ \ \ \, - / - - - - `\ ` \\`, / / , 1 \ \ \ 1 \ \ / / r , , I \ 1 , , 1 \ / , / / , I ' 1 ` / , ' , , 1 -' /, , \ \ , , , \ DISTURBANCE \ , I I I \ ` SF ` ,` `I \ \, \ \ \ \ 1 , 1 , / / / I I, 1. I r , WITHIN DRAINAGE I \ PU ` \ ` \ , , I I \ _ _- \ \ ^\ - 1 " r \\ `\\' - -_-_- ' \ `` \ I 1 / SE` I \ -- - - INT] \ \ \ \ \ I \ ` : - / i'' I \ \ \ / 1 1 \ \ \ , \ / jR \ , , I \ \ \ \ I 1 I 1 1 1 ' \ \ \ RENSE fire ' 1J D.B. 2712 PG. 325 \ \ \`\`\,\\\I _ sE-rREEs-;_. _ ` _`\ ,, , , \,,.\. x _ I„\ \, , \\ + / , 111 \\ \, 1 AREA OF POND I 1 '\ ` \ \— - - ----- D.B. 1055, PG. 271 \ ` ,II -1 `-' ' \` \ i. 1 , Il` ' I1,` 15 ^ 3-a,_,- N\ \ D.6.750 PG. 372 \ ```\ / /.-' _ •Q`\y\ \ i / \` \ ` 1 I ' I \/ `I I I \ I 11 1 J \ `\ \ ` \ `\ ` \ / '''/ D.B. 453 PG. 65 (PUT) DGOLF COURSE” I„ _ \ I i- / _ \ \ \11\ / _/ / >.\+ / / / // -, - \ \ 1 ` / \ /' / I I \ , ,t I , 1 , 1 \ \ \ \ , ` \ _ -- - - - - -- '{\'J • -'/ TMP Ot ACRES ll t` \` \ ` ' r CWD `\ _ / '/ i i /' _ T \ \ I \\ i I \ Iv' 1 /' / ,'-,''' ''/ iiii' :i,'/ r / -' -\`. \ \ TRE\ \\ \` I \\/ I r 11 \ I I t\\\\ \ \ \ , \ \\ \ \ I`N`\\`\`\ \ ` \\\\\\11 \ _, \\\ \:.,,. _ `%. 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'// ` ` 111 `\ : \ \ 65==>_ . \ \ , \\\ \ \` `\ \ \ W W W v- w i i i i l i ' i i ' I + I I I \ , \ , ' _ , ' ^ 1 ' i/ rii ' ',/ / ' • , e W , r // I 'I 111 I` \\' ' 1` \ - 1 % ` try /'- ter\ T \ \ \ \ ` / i t 1 1 1 I \ \ / ° , , 1 \ t, / /' 11 1'A`I \ \ \\\ fY Y' ' I \ 1 I \ _ ' 1 /r 1 \ 1\ , , r , ,, \\ \ ` \ // ////,,,r/, , / / eo , 1 ,/ v v I 1,1 \ \ I / , \ / / / I I ` `\ ' // / // //// / / I TMP 76-00-27 Il 1 ' 11 \ \ \ \\ \ \ \ _ - - , ' / < ' l l ,-_'' / / DD I 1 ( I I1,\ r/ rfitI i/ N I INN, INt \ \ IIII l / I 1 \\ IN v W W n\ \\ \ ` \ \ SE 1 \ _ , "\ , 1 ( S • / ° i _ NSE T(ZEES \ 1 , , 1 I I \ , W \ \ \ _ \ \ - • / - / I / N / 1 1 I \ \ , \ , I . , 1 I ' SS / . \ ` , 1 1 , , / , , / / T\` \ \ I / G 1 , / //r 11 t/ / .- -'/ , /, / - `'I%--- -._ '\ \ \ \ 1 , II ' ' J ' EES\. °' \ \`' \ \ \ \\ ` ` \I ` ` 1 'DPNrE 'TREES-' / ^\ ( / , , ,1, ,/, \ \ - , , III rn H?+11 ///I//, , e / " o I " i _ `, \ I 1, 1 1 I , 1, / I V- 1 \ . \ \ / _ ' j' . 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PG. 85 - IIII I, - r / ' / / / / /' / . / / / , / / l , I I 11 11//1/ // / /''/' / / ' °BIRDWOOD GOLF CO ` '' \````_-`- --- __- _ _ 1 / 1 P• I I III /i - /__ \ \ - _I. `\ \ l r / 1l 11 I Yy 1d1PG./a7Y I 544.Ot ACRES _ ' - ` _ _ _ _ _ _ _ _ ' ' I I I / 509 BOT ELEV _ T&EE --{- -_ ' / ' 1 Id 1 1 / .6.1453/ 85 (PUT) 11 I I I ' TMP 76-e®C- C 7-7-7 1 ll' // I/i II I l I1\ , \ , ,' r' /, ',/' /DEN$E'TIZQ$•'/ , ' / r / 1 / / ii, ri, / /, i /'r ' "1/'„'% _ 1 /, /,, ,l//, / RD5 44.6# G li,i 1 \ • ' \\\_ , \- :` ` `\ ` 3' FROM BOTT _± r r / l , /, cifS I _ r r / il' /, / /i' / , r / / _ - --___ \_ _ `-`- / ' 1, i1 r i/ I i/ ii , iii I I` `• \\ _ ` 1 TO WEIRI DEN /TR , / 110 / / A `\ 18 WEIR WIDTH ?9 _' 'FI\XQf K \ \F`/ r r // 1 SE TRE , r / / / / / / / 1 I I I 1 I / / / / , •% , - _ _ / / 1 I / 1 I I \ I / ' ' , ti II'' , , r/ I/, /, 1 , , i - - l l TT r \` ,/II`\ /-i`- /' / / / '/'G' ' / - ------ - _''-' _ r // /, r ' 11 /' ' +-'+' +_ _ `ZRE / / r, 11 , I 1 r / 1' I III / 1, ` :•rl.` ./,/--- ___ , , _ ,-/. 2 ',' ,, I / TSD SSF _ --- ,,,, , ,/ /' , r '' , , / r, \ I. • e`, 2'T -C b`'S rf IN P 1 _ /,. , , , / `... eta . _ , , , T••w ='-i''-- 1' / -' -'''. 1' ___-_ _ _ _"- S TK/ ,'//%/ill / _ ' /, r - ' + _ _\ \\\ '/' /' r'--- r/,' / , °o , I / r p a/ \ \ I I I , ' I I t _ / r ,' ,' ,/ // // / ,/ -'-'- - :-',,--:, - Vi/ -- -`-' , I IIIr; /r , 1\\\ + / , _ -- Jy- ';"• j,i r, , 1 \ . r' _ ' - _ __ -_•\ \ ``,N '' / /- j \ `, l7 gib•°I ,' l•,a1, , Yf> OP No. l _ / , / / r / / / / / / r / I \ - , `: 'F `+ + d, 1 F + -I F / , 1 • \°° I II1 I I 1-1 /•T-' / , I 1 1 1 // / / " :: ' _ - _- - _ TSD r, / / / .'/ r' / / ' /r'/' /':' /. _ ` / \ / '' ii / t I -- DSNS)`TREE ,-,/ / \ :Jim _ - _ -! r (! / _ / r \ - - _ / - _ - \ __ '/ ,\\ \ + I + J / 111 , e/ r // / r -/ _ ', I / / •, I ''p 1 1 - y /' (.. 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'., , , 'I- + 1+I + / _ = / - --- "4 / / • / I / l,/ \ ' / /,,, e/,- ii - (`% /'/, / % i' „' -- - , / i' -_ i - -CWD __-__ - -_\ —i -_ - _ 11 -` - \ I I 4 _ _ _ _ e \ /e/ / / , / //'/ .d - i iii'%,' /r /' / // , '/ '/' /'/ /'r r _ --' -'---- - y -- -'' - \ -_ ___ \\` - \`_ _-_-_ ' + \ + / \` / + ,+! , d -_ \ , , / ^ I rl r,•/ girl-/ ,/, -,/ r ox 1 -/ - - r/ _ / / CWD \ r/,' =•t; r lI , `\ \ LIMITS OF WOR - \ \ , -\ _ -'\ \ \ \ / . _ rn - r / r// -.• r ' `\ - -'/ ---- -_-- _ CWD - \ ` \ \ + \+, + /_ _ I ` \ I , i%,/r/ /$i Wim• __ -- __ ` _ _ -_ // _ \\ / ,' ` 111' i' f I IN n 7-_ I/ --/ - / _ __\\ i/1!-_' - '/ - '- - _ --- - - - -- "7 - / - 1 , \ \ `\ /i -%' //' /i - _ ENStr ++cCW- --` .-r / r /' - - ----'2.\. N '/ _ - _ i'TBS= -'' \ _ '_ 11 1 / /, \ :' / I t I 1 1 e I I l r / / • / // // moi/ - - -- - \ r' r- \ \ 1 - % r / I r // / / ii/•/ _ - — — - -_- - - / /%- / - -_ 7 ''h-(` ` ` , ` \ -. / 1 /r \ \\,\ \ _ \ \ l , _ r \ t 1 11,\1 \ r / / / / ° , ' / ' l rr// /,/, / , // I / 1, / /rII , / 1 I -i i - - \ - \ / /' \ `\ \ \ \, \ \ I I/ Ilt 11,1 /' ',y'G'' \ I D °, l / 'f."' , //rr? / / / / I 1 8 I I \ \ r / , lei\' / EROSION & SEDIMENT CONTROL NOTES THIS SHEET DEPICTS PHASE 1 & 2 PHASE E&S CONTROL PLAN. 5. MODIFICATIONS TO THE PROPOSED E&S CONTROLS AND EROSION CONTROL LEGEND REFER TO EROSION AND SEDIMENT CONTROL NARRATIVE FOR PLAN MAY BE APPROVED SUBJECT TO SITE INSPECTOR NO DISTURBANCE LIMITS OF DISTURBANCE SEQUENCE OF CONSTRUCTION. AND ENGINEER. SEE SHEET C505 FOR SUPPLEMENTAL WORK AREA E&S CONTROLS STRATEGIES. 1. ALL CONSTRUCTION TRAFFIC ACCESS IS TO BE LIMITED DRAINAGE DIVIDE TO CONSTRUCTION ENTRANCES. 6. THE PROPOSED WORK WILL REQUIRE FIELD VESCH ADJUSTMENTS THAT WILL MODIFY THE PROPOSED 2. DRAINAGE DIVIDES SHOWN ARE USED FOR HYDRAULIC GRADING. CE CONSTRUCTION ENTRANCE _ TSD ANALYSIS AND DO NOT REPRESENT AREAS OF COUNTY STD. PAVE WASH RACK DISTURBANCE. A NRCS CURVE NUMBER OF 94 IS USED 7. WORK WITHIN MITIGATION AREAS IS LIMITED TO FOR THE DENUDED PERVIOUS LAND AREA BASED ON MITIGATION SCOPESF SILT FENCE 3.05 OP SOIL/COVER CONDITIONS. MITIGATION AREA 3. REFER TO EROSION AND SEDIMENT CONTROL SSFXX SUPER SILT FENCE 3.05 DS NARRATIVE ON SHEET C500 FOR ADDITIONAL INFORMATION, COMPUTATIONS, AND DETAILS. 4. THE E&S CONTROLS ASSOCIATED WITH AN AREA OF CWD DD DIVERSION 3.12 TP WORK SHALL BE INSTALLED PRIOR TO STARTING WORK WITH THE ASSOCIATED DRAINAGE AREA SEE SHEET VESCH TEMPORARY SLOPE DRAIN 3.15 OUTLET PROTECTION 3.18 m00 DEWATERING STRUCTURE 3.26 Q Z TP TREE PROTECTION ST SEDIMENT TRAP 3.15 TC - - - - - TURBIDITY CURTAIN C505FOR INFORMATION ON SUB AREAS. SB SEDIMENT BASIN 3.14 s 0 0 0 SILT SOCK 3.38 SCALE 1"=100' 0 100' 260- 3.27 TH O.F TT vv IOD N U Lic. No. 048 60 Qo?ai8 SSIONAL\ M E O pV N In N c w a/ E U. o^ w O Io 16 2 J— 1i rp NI Lvul XO LL I n_ N U Ln H Q CLn01 O N U ro a rb J F_ DATE 03/02/18 DRAWN BY J. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE z W Q V J J 0 I 0 U z 0 LL U O z uz V W W J C) W 0 Q J WQ 0 3: C6 C) z LL O W v , 0 0 Lu JOB NO. 40490 SHEET NO. C504 0 c a N7 U O d O c c3 E3Il 0O aO C7 m z a, O O T@ O 0c ry CN CL U O zN o Q 0- aw 2 Q ry rn ro caUO axi o 00 0N 00 O L_ CART PATHS INTERIOR COURSE & TEE BOXES COURSE & TEMPORARY SLOPE DRAIN OPTION TH OF ALL INSTALLATION OF PROPOSED TRAILS SHALL BE INSTALLED IN ACCORDANCE WITH THE VIRGINIA ALL INSTALLATION OF PROPOSED A COURSE OR TEE BOX SHALL BE INSTALLED IN ACCORDANCE WITH ALL INSTALLATION OF PROPOSED A LONG COURSE SHALL BE INSTALLED IN ACCORDANCE WITH THE OD N EROSION AND SEDIMENT CONTROL HANDBOOK AND THE FOLLOWING STANDARDS: THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND THE FOLLOWING STANDARDS: VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND THE FOLLOWING STANDARDS: U Le. No. 11- i1. NO MORE THAN 1,000 LINEAR FEET OF PATH MAY BE INSTALLED AT ONE TIME OR CAN BE 1. SILT FENCE SHALL BE INSTALLED ON THE DOWNHILL SIDE OF ALL DISTURBED AREA 1. SILT FENCE SHALL BE INSTALLED ON THE DOWNHILL SIDE OF ALL DISTURBED AREA. 048 60 CONSTRUCTED WITHIN A SINGLE FAIR WEATHER DAY (APPROXIMATELY 1,000 FT) 2. FILTREXX SILTSOXX OR VDOT APPROVED EQUIVALENT SHALL BE INSTALLED UPHILL OF ALL 2. FILTREXX SILTSOXX OR VDOT APPROVED EQUIVALENT SHALL BE INSTALLED UPHILL OF ALL 02s18 2. WHERE CONSISTENT WITH SAFETY AND SPACE CONSIDERATIONS, EXCAVATED MATERIAL IS TO AREAS OF DISTURBANCE THAT EXCEEDS 100 LINEAR FEET FROM ALL SILT FENCE AREAS OF DISTURBANCE THAT EXCEEDS 100 LINEAR FEET FROM ALL SILT FENCE. SIONAL BE PLACED ON THE UPHILL SIDE OF EXCAVATION, EXCEPT FOR ANY DIVERSION DITCHES. 3. WHERE COURSES ARE PROPOSED IN CLOSE PROXIMITY TO PONDS, STREAMS OR WETLANDS 3. WHERE LONG COURSES ARE PROPOSED IN CLOSE PROXIMITY TO PONDS, SUPER SILT FENCE 3. TRAIL BACKFILL MATERIAL SHALL BE PROPERLY COMPACTED IN ORDER TO MINIMIZE EROSION SUPER SILT FENCE SHALL BE INSTALLED AROUND THE EDGE OF THE POND DIRECTLY SHALL BE INSTALLED AROUND THE EDGE OF THE POND DIRECTLY ADJACENT TO ALL AND PROMOTE STABILIZATION. ADJACENT TO ALL PROPOSED AREAS OF DISTURBANCE. SILT SOCK SHALL BE INSTALLED PROPOSED AREAS OF DISTURBANCE. SILT SOCK SHALL BE INSTALLED UPHILL OF ALL 4. RESTABILIZATION SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THESE REGULATIONS UPHILL OF ALL PROPOSED SUPER SILT FENCE IN AREAS THAT EXCEED 100 LINEAR FEET. PROPOSED SUPER SILT FENCE IN AREAS THAT EXCEED 100 LINEAR FEET. 5. ALL APPLICABLE SAFETY REGULATIONS SHALL BE COMPLIED WITH AT ALL TIMES 4. WHEN A COURSE IS PRONE TO LARGE VOLUMES OF UPHILL RUNOFF, CLEAN WATER DIVERSION 4. A TEMPORARY SLOPE DRAIN SHALL BE UTILIZED TO DIRECT ALL STORMWATER RUNOFF rn o DITCHES SHALL BE UTILIZED TO CONVEY STORMWATER RUNOFF UPHILL OF TARGET DENUDED UPHILL OF DISTURBED AREAS. CLEAN WATER DIVERSION DITCHES SHALL BE CONSTRUCTED N AREAS AROUND THE PROPOSED COURSE. TO CONVEY STORMWATER RUNOFF TO THE TEMPORARY SLOPE DRAIN. APPROPRIATE OUTLET E PROTECTION SHALL BE INSTALLED AT THE END OF THE TEMPORARY SLOPE DRAIN TO Lu a; . PREVENT SOIL EROSION DOWNHILL OF THE AREA OF DISTURBANCE. Q u - LL o w O ro c W M TEE BOX COURSE Q J o z o ADJACENT TO POND) CD rj j W a XO Q U w I Q oa Q" n Uo a'Ln J p Z O 0 FLOWFLOW100'co j Lij IN 1 ui ol O U CART PATH POND CWDOLijCOURSE COURSE ADJACENT TO POND) w 0 vi o SF COURSE SSOo j SF D Lij WIDTH WILL VARY SSFO7WIDTHTYPICAL CWD / CWDO p co oSSF FLOW 0P FLOW Q Lu p rl4 OP IP IPO oz O DATE j \ :; , , ,.. •.; .' i•;.: :.: "• 4•.r''.•.; /\ \ CONCRETE +CART PATH.:::' .. i / 4" MIN. , .';:;; `'. Vl O - '+ \ f: .• r•': FLOW 100' CWD o 03/02/18 Oi00 00 00000f 0i0 SF POND CWDO DRAWN BY O O0000 0000'O'O'O'O'O'O I J. WILSON O \ \ \ \ COMPACTED SUBGRAD\ O \ \ \ \ O DESIGNED BY 000\\\\\\\\ SF CWDO00\O\O\O\O\/\\\\O\O\O\\\\ A\O O/X/\00 0 0 O O\/ SF \ O SSF C. PENNETTI SOA\ O,O O,O SS SS SSO CHECKED BY C. PENNETTI SCALE STREAMS & WETLANDS E&SC PHASING ADJACENT TO POND AREAS SUB -AREA DEVELOPMENT 1. EXISTING POND CONDITION THE PROPOSED DEVELOPMENT IS NOT INTENDED TO BE ALL INSTALLATION OF PROPOSED A COURSE OR TEE BOX SHALL BE INSTALLED IN ACCORDANCE WITH 2. CONSTRUCTION ADJACENT TO POND / CONSTRUCT NEW COURSE PER PLAN CLEARED, DENUDED, AND GRADED IN A SINGLE PHASE. AS REVIEWED AND APPROVED BY THE SITE INSPECTOR AND THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND THE FOLLOWING STANDARDS: 3. STABILIZE NEW COURSE PER PLAN AND DETAILS 4. DRAIN AND DREDGE POND AND STOCKPILE ACCORDINGLY. E&SC MEASURES SHALL BE ENGINEER, THE DEVELOPMENT OF THE SITE WILL INCLUDE 1. SUPER SILT FENCE SHALL BE INSTALLED ON EACH SIDE OF ANY STREAM DIRECTLY ADJACENT TO INSTALLED TO PREVENT SOIL LADEN RUNOFF FROM ENTERING INTO THE POND. ADDITIONAL PHASES TO ACCOMMODATE CONSTRUCTION AREAS OF DISTURBANCE, PRIOR TO THE START OF ANY CONSTRUCTION UPSTREAM OF THE 5. REFILL POND BACK TO ORIGINAL DEPTH WITHIN SUB -AREAS OF THE SITE. A SUB -AREA IS DEFINED BY r ^ EXISTING STREAM. THE DRAINAGE AREA CONTROLLED BY A E&S MEASURE J2. SUPER SILT FENCE SHALL BE INSTALLED AROUND ALL DELINEATED WETLAND AREAS PRIOR TO THE START OF ANY CONSTRUCTION UPHILL OF THE EXISTING WETLAND AREA. SUCH AS A SEDIMENT BASIN OR SEDIMENT TRAP) AND WILL GENERALLY CONSIST OF ONE OR MORE GOLF HOLE AREAS. j Q3. FOR NEW MITIGATION BUFFER AREA: INFLOW STREAM uj3.1. INSTALL SILT FENCE ALONG TOP OF STREAM BANK 3.2. CONDUCT ALL WORK WITHIN MITIGATION BUFFER LIMITS SEQUENCE OF THE SITE DEVELOPMENT WITH SUB -AREAS IS CONSTRUCTION OPERATIONS U --IINTENDEDTOALLOWFOR 3.3. FLAG BUFFER LIMITS ACCORDINGLY &REMOVE SILT FENCE WHEN MITIGATION AREA IS I EX. COURSE EX. COURSE DEMOLITION, CLEARING, GRADING, FINAL DEVELOPMENT) Q STABLIZED WITHIN A SUB -AREA TO PROGRESS BEYOND PHASE 1 E&SC Oo PRIOR TO ESTABLISHING PHASE 1 CONTROLS FOR THE o O CONSTRUCT ENTIRE DEVELOPMENT. / o C O O NEW COURSE THE WORK WITHIN A SUB -AREA WOULD BE REQUIRED TO EX. POND EX. POND MAINTAIN THE DRAINAGE DIVIDES THAT ESTABLISH THE Q z 1 O SUB -AREA, AND MAY REQUIRE ADDITIONAL PERIMETER CONTROLS (SILT FENCE, CONSTRUCTION ENTRANCE, 46Z O DIVERSION DIKES, ETC.) AS APPLICABLE (SEE THIS SHEET U FOR REFERENCE OF ADDITIONAL CONTROL OPTIONS) - UNLESS THE ADJACENT SUB -AREA HAS ALSO PROGRESSED BEYOND PHASE 1 E&SC. O O U J z THE CONTROLS ADJACENT TO STREAMS, MITIGATION° •e ' o ® AREAS, PONDS, AND STREAM BUFFERS SHALL BE INSTALLED® 'IN - Q < w w C Gr FOR THE SUB -AREA PRIOR TO ANY DEMOLITION, CLEARING p°' O m J.—II oo o OR GRADING. a 0.o Q 0 OUTFLOW STREAM SUB -AREA GRAPHIC O W STREAM STREAM THIS GRAPHIC IS PROVIDED FOR CONTEXT. h e o WITH MITIGATION) (WITHOUT BUFFER) WETLAND NEW COURSE NEW COURSE O 0 o z MITIGATION SSF 3 STABILIZE NEW STREAM STREAM COURSE 0 W r~^ V 1 W W W W EX. POND EX. POND 6 ° OO W W W I 1 j O O O iJj . • Oe. O ° 0 W I y y W O 0 p( W W REFILL SF POND Oo-Qo a eWETLANDAREA FLAG BUFFER LIMITS SSFO o ° SSF SSFOO 00 SF SSF 4 00 JOB N0. d 00 40490 DREDGE 0 00 SHEET NO. POND AND \ \ STOCKPILE \ 00 000 1 1 0 C505 o p o 0O 0 NOU) co00a Z5CL T coC 0 o co coCL TH O.F OD N U Lie. No. 048 60 CONSTRUCTION OFA SILT FENCE 02 PIPE OUTLET CONDI TIONS SILT FENCE CULVERT INLET SEDIMENT BASIN SCHEMATIC (WITH WIRE S UPPOR T) SSIONAL A A PR 0 TE C TION ELE VA. TIONS 1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO THE POSTS. TRENCH UPSLOPE ALONG THE LINE CREST OF EMERGENCY OF POSTS. ENDWALL SPILLWAYMo EE DESIGN HIGH WATER U ado (25 -YR. STORM ELEV.) N d MIN. 1.0' > E 0.5' _ Qi E LU PIPE OUTLET TO FLAT- /- I MIN. 1.0' W > AREA WITH NO DEFINED TOE OF FILL CULVERT CHANNEL I 1~ RISER CREST C I / l / Q LL PLAN VIEW 67 C.Y./ AC. , .. DEWATERING 4 I p LL o LU 0DRYSTORAGE '.' DEVICE - l(I II - `11 II C tjW r ll _ _ - _O 67 C.Y./ AC. a o NLaSTORAGE ===6 - VL rja III zA 0 Ln X U 0 LU SEDIMENT CLEANOUT POINT I1 1 Z - 7 (" WET "STORAGE REDUCED FLOW III _ III - p = TO 34 C.Y./ ACRE) 4" U D 0 Q to - SECTION A -A FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER TOE OF FILL o Lnrn '-' 3. ATTACH THE FILTER FABRIC TO THE WIRE 4. BACKFILL AND COMPACT THE U w A SILT FENCE ° ° ° ° DESIGN ELEVATIONS WITH FENCE AND EXTEND IT INTO THE TRENCH. EXCAVATED SOIL. a W DISTANCE IS 6' MINIMUM IF FLOW EMERGENCY SPILLWAYCD LU IS TOWARD EMBANKMENT A 3do (MIN.) O U FLOW DESIGN HIGH WATER , odo * (25 -YR. STORM ELEV.) MIN. 2.0' 1 "' O OPTIONAL STONE C011'VIBINA TION MIN.3.0'r' _ PIP OUTLET W E 0 TLE TO WELL I J MIN. 0.5 I I W DEFINED CHANNEL MIN. 1.0'•. II O i' 6::;;y0-1 PLAN VIEW 67 C.Y./ AC. T T.'.. ...:.'.'. DRY STORAGE 1- L ................. FLOW jaRISERCRESTII w w tiQ67C.Y./ AC. = Q 0 % WET STORAGE DEVICE IIIIIII II Q \ 1111 FLOW^ z O 11111111 d - 2.5' EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. O SECTION A -A SEDIMENT CLEANOUT POINT > DATE FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER FILTER FABRIC 03/02/18 NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION DESIGN ELEVATIONS WITHOUT O BASKET, OR CONCRETE. . } DRAWN BY 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED VDOT #3, #357, #5, #56 OR #57 COARSE AGGREGATE CLASS I RIPRAP EMERGENCY SPILLWAY _ TO REPLACE SILT FENCE IN "HORSESHOE "WHEN WIRE I J. WILSONUSINGPLATES3.18-3 AND 3.18-4. HIGH VELOCITY OF FLOW IS EXPECTED (RISER PASSES 25 -YR. EVENT) _. 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. • DESIGNED BY Source: Va. DSWC Plate 3.18-1 SOURCE: ADAPTED from VDOT Standard Sheets and Va. DSWC PLATE. 3.08-1 SOURCE: VA. DSWC PLATE. 3.14-2 SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control, PLATE. 3.05-1 • C. PENNETTI Sherwood & Wyant CHECKED BY C. PENNETTI THE EROSION AND SEDIMENT CONTROL DETAILS SHOWN WITHIN THIS PLAN SET ARE INTENDED TO PROVIDE A • SCALE REFERENCE TO THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (VESCH). THE GRAPHIC DETAILS • PROVIDED HAVE BEEN EXTRACTED FROM THE VESCH. CONTRACTOR SHOULD BE FAMILIAR WITH THE VESCH AND THE TEXT ASSOCIATED WITH THE REFERENCED DETAILS. REFER TO EROSION AND SEDIMENT CONTROL NARRATIVE FOR ADDITIONAL INFORMATION. CONSTRUCTION OF A SILT FENCE DIVERSIONS TEMPORARY SEDIMENT TRAP L/) STONE 70' AKIN. (WITHOUT WIRE S UPPOR T) J CONSTRUCTION H ACCESS 3" SM -2A ASPHALT -0? 1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH _ vARIABLE QCOURSEEXISTINGUPSLOPEALONGTHELINEOFwSTAKES. 10% SETTLEMENT11' PAVEMENT ORIGINAL AR IAB LL I t. 6'MAX. 0.3' FREE BOARD GROUND ELEV. U) W I-'` ---J • 1 1 1 1 1.0' Q I N. 2 1 A .AGGRcGAI _ L3ASE T 67 CU. YD./ACRE * JDESIGNFLAWDEPTHVARIABLE N PROFILE ---- ' IIII - - 0 Q oC 67 CU. YD./ACRE v4' MAX. U1 70' M'N. / _ _ STONE - - (EXCAVATED) FLOW a CONSTRUCTION TYPICAL PARABOLIC DIVERSIONFILTER CLOTH ORIGINAL GROUND ACCESS WASHRACE z ELEV. Q 4 z U 3. STAPLE FILTER MATERIAL 4. BACKFILL AND COMPACT * SEE PLATE 3.13-1 COARSE AGGREGATE** CLASS z RIPRAP QEXISTING Or 1% 2% PAVEMEN-1 TO STAKES AND EXTEND THE EXCAVATED SOIL. 10% SETTLEMENT UL ¢ IT INTO THE TRENCH. // ®® p 12 ` MIN.* 0.3' FREE BOARD 1 1 1 1 CROSSO E C T O V ll O OUTLET J f DCII ESIGN MW DEPTH (A Q C MUS- EXTEND FULL WIDTH POSITVI DRAINAGE j F,.s j - CLASS E RIPRAP m III G OF INGRESS AND EGRESS TO SEDIMENT ^:'.?a: yy - - mi OF v LENGTH (IN FEET) = Q J TRAPPING D` VIC F (INXAC DRAINAGE AREA Q QOPERATION - IIII ' _ IIII LUDIVERSION PLAN TYPICAL TRAPEZOIDAL DIVERSION r ^ FLOW 66 12' +riv. ` POSIT`VE DRAINA-'J III _III _ II S Q 2 TO SEDIMENT SHEET FLOW INSTALLATION 10% SETTLEMENT-,,, I FSA 'PING DEVICE ( PERSPECTIVE VIEW) r+?r- -fes .-r..--.+---moi- ..'•'+.T•o-' rte_ .Y 0.3' FREE BOARD 1 1 I I I) 1 / m H EILTE; ',LOTH-/ " FLOW DESIGN FLAW DEPTH I / / - - _ = 1..1..1 ' 0 A 3 A l ' j J J SECTION A -A B \ - AGGREGATE**/ O j \\illWillwilillWilli WilliwillillWilliwillilluililillCOARSE EXCAVATED FILTER CLOTH w111111111111111 «'atei' t81? of 1 lllc'll 111II1t t}0111; t;llleil 4V1t11 A 111111111111111 1 ll1C11 }811CtiC1 \\ AREA -__ whutoff"; ah -e supplying a wash llo"e with a +Ilmlleter of 1 ; 111che fI- adequate I \ Cl}11St311t pressuWare. sh watei IIIUSt be C,1111ed away fi-I III the entrance to '111 TYPICAL VEE -SHAPED DIVERSIONapprovedsettWl, area to re111ove ,-4e(11111e11t: All seilllilellt Miall be 1-}revelrted fro111 "COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5 e11te1n1- 4to17I1 drains, clltche; or 44atercour4e . POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION OUTLET (P E R S P E C T 1 V E V l E ) PAVED WASH RACK (FRONT ELEVATION) NO SCA -F SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control,VA. DSWC PLATE. 3.05-2 Source: Va. DSWC Plate 3.12-1 SOURCE: VA. DSWC PLATE. 3.13-2 - Sherwood and Wyant JOB NO. 40490 SHEET NO. C506 TURBIDITY C SIR TAIN TYPICAL LAYOUTS: STREAMS, PONDS & LAKES (PROTECTED & NON -TIDAL) STREAM FLOW ANCHOR PTILINE STAKE OR ANCHOR, EVERY 100' (TYPICAL) SHO FILL AREA LIMIIYP,* CONSHORELINE DITYANCHORPT. CURTAIN * THIS DISTANCE IS VARIABLE TIDAL WATERS AND/OR HEAVY WIND & WAVE ACTION FLOOD EBB PROPOSED TOE J OF SLOPE P 100 EXISTING yF CAUSEWAY ANCHOR & ANCHOR BUOY SHORELINE BARRIER MOVEMENT SHORELINE ANCHOR PT. DUE TO TIDAL CHANGE ANCHOR PT. THIS DISTANCE IS VARIABLE ® FILL AREA TEYPORAR Y SLOPE DRAIAV EARTHEN DIKE PROVIDE INLET CORRUGATED METAL ( COMPACTED) PROTECTION EXTENSION COLLAR A WATERPROOF SEAL 24:1 1 A IMF I D n+s" PROVIDE OUTLET — qPROTECTION _— STANDARD FLARED END SECTION Wi III SECTION VIEW NOTE: SEDIMENT MAY BE CONTROLLED AT OUTLET IF UPLAND PONDING WILL CREATE PROBLEMS EARTHEN DIKE COMPACTED) 3:1 D+6" SECTION A - A SOURCE: ADAPTED FROM FLORIDA PLATE. 3.27-3 SOURCE: VA. DSWC PLATE 3.15-1 DEPARTMENT OF TRANSPORTATION ROAD AND DESIGN SPECIFICATIONS THE EROSION AND SEDIMENT CONTROL DETAILS SHOWN WITHIN THIS PLAN SET ARE INTENDED TO PROVIDE A REFERENCE TO THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK (VESCH). THE GRAPHIC DETAILS PROVIDED HAVE BEEN EXTRACTED FROM THE VESCH. CONTRACTOR SHOULD BE FAMILIAR WITH THE VESCH AND THE TEXT ASSOCIATED WITH THE REFERENCED DETAILS. REFER TO EROSION AND SEDIMENT CONTROL NARRATIVE FOR ADDITIONAL INFORMATION. L SILT SOCK DETAIL OR APPROVED ALTERNATE) BLOWN/PLACED FILTER MEDIA TIM WORK AREA 12" MIN WATER FLOW 2" X 2" X 36" WOODEN STAKES PLACED 10' O.C. FILTREXX® SOXXTM (12" TYPICAL) BE PROTECTED SECTION NTS 2" X 2" X 36" WOODEN STAKES PLACED 10' O.C. AREA TO BE PROTECTED FILTREXX® SOXXT"' (12" TYPICAL) NOTES: 1. ALL MATERIAL TO MEET FILTREXX® PLAN NTS SPECIFICATIONS. 2. FILTER MEDIATm FILL TO MEET APPLICATION REQUIREMENTS. 3. COMPOST MATERIAL TO BE DISPERSED ON SITE, AS DETERMINED BY ENGINEER. FILTREXX® SEDIMENT CONTROL NTS TH O.F JOD N U fie. NO. 048 60 SSIONAL 1 M E 0 o M U N N f__ E Lu E Lu QH w 0 w o Lu O f - lc l!J L M Q J U co Lu J — d A p NUlLN O Xrn LL C12 N NU > Lr, a c: LnrnON U 0 M 0 - coc0 J CD Lu z O a_ U In Lu z O U) Lu z W W a W W Lu rj O Q ~ DATE 03/02/18 DRAWN BY J. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE U) J W Q n w J O O U LL > z JPO OAU o C w zJ wQ W O co J Q O<lw od z m O O w JOB NO. 40490 SHEET NO. C507 Section 5. Stormwater Management Plan Provide a reduced 11x17 copy of the latest stormwater management plan. Do not reference only.) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County I \\ \ \, \ \\ ` I / '---' / --___ , \\\ , ,, y -- , I \, I I / / / / , I I , \, \ - _ --- - ...-! 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F 1 /. ` ) 1 //-"' ' n Fi\ '' f / / / / / t S j \ ( \ \ \ / 1 11 ` a / ( T. ;( I •/ ( ` v\t 1 / , /,, r N-- :. .,• \ `\,.`:,`\- - \\\ \ ,\\\ \\ \\\ mw \\ ``- --- // - / /' /' / l i _* // / / / %'/ / l I /' ) \ \ r- i / l L.! I I \ I ( I, \ \ ) / .\ \ / I \ ( l \.\ \-\ \\ It i / -`\ l i I 9S Wil, ;\ -_ 1`,` \\`\\. _ - \\ \\\ \\ \\ 1 \11\ \\ \\\ \ - - _ / / - r l / / / / / / / / l / / \ / r J.+ - _ _ / J.-.. I / ` _ - ' -` lZ.-_--- ` \ , -- \ \ \ \ 1 1 \\ \ \ \ / / /- / % / / / - / // / _ I ® _ - J f t I- I \• °. \(/ _ , , I / i,+ i i ir - \ \ 1 \ \ 1 __ - / _ / / / / \ 1\\\ , \III )' I\ 1( I ,\ ___ // // , / ' l _ / / - ; /,' // ( // / - ' \ , , \ _ ( y ` - .: / / , , , 1 ( ./\ / •/ 1 \ s / 1\\\\._-,`,)` . , = -., -^., \ . \ \ \\ \\ X1111 1 II \ / / l / / / / / / / _ / / / / ' = l/ / / l I r_- t'•-\\ \ \`\\\\ 1\ 1111111 I t 1( II1 11 C,; I I r i I / ( - '- t % /'r ' / I / -\j - I -\ 1 _ 1 1 I / !/ -• \ i' I Q. \ / jl . 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J/ '%''- - -` i Q / .--- y \ \ \ Z, ` _ \`=;;,\_y--_-=c - \ - 1 I II 11/ )//// // \\ \ `I, • ( S I / / /- - / /}' I J`' - O' T- yl \ % ' . 1 1 \ i- 1 I 1 ` ,\\\ I - -, l \ ____- \\\` _ - \ _ / ,1 I//( \\ _ _- \ \ 1 / Il 2 \ I I 1 / / '/ - / - - \1/ - - - / / 'w" ° 1 \ , \ I \ \`,'\ 1\ \-------- `\\--_-:. ^ \ 1 111 \\ \\ \ / / I I \ \ \ \ ' J 'l / / ' / ' ` '/ / / \ f - _ - \ ''-\^ - - / I / / .\ ' l Il 1i1 / 1 ( I i / _J I/ PO 3 / u - - " -- I I I / I , - - "/ - POI 1 5 / / / _ __ i I I ' r \ \ \ ` _ _ - - - _ \` , \ -. // \\ \\ \ \ \ \ \ / - / // / ,v 1 / / - ; i /" I "' \ / r/\\ / \ J)- ^ 1 tl\ \ \ \ -\ \ \ \ \1 1 \ \ - \ 1 I ' / /• / 1 (i / / //` / - _ \\ r • - - / _ - _ d ,+`** v,.#" i t J%jC•/ / \ \ I ' _ - I l 1\ \`,,\\\. \ \_' \``_-== I - Pit J; ="-= , `\ 1 .\\\ 111\ t\\ \ . \14( \\\_ _ \ ) ' ) 1 ' -' % //% ' ' , \ /, -/i' / (/ " _ -= , - <-' Q 1,-^ \- _ \ _`` J\'` `' , \ (- \ \ I i I ` I- `--- `-__"=- .,\\_ '_ \)1\` \)'/:\-_ '/ ' / / 11 ( 1 1\t • \ , 1 I l , - / I ,. /r / %,i- _ /-' /1'/• /'- _ \'\-%\_==_' /-\- ( -, I . --.--- -_ = i !/%c- -\I ^ ; / (" 1II\ / -/ / r ( 1 I \\ ' \ l I \ \ \ _ / I I / „. , - , / p J 7/ - ' , / I ^,\`- - _ ` vz ; - - = -,_,-,•` S _ ,• \ _- \ ; ' i II I __ \\ I r'-: - r/ ( \ \Il \ \ \\ ' ' / 1 V / \\ i// r G/ / ) \ \ -\- ^1 J -_ S< 1 \ 1 I I; / 11 -,\ \\ :/, ter/ = _ _, \ \.; OND -- - \ II ' I' } / 1\\) _" " , - ^t 1/ I, `, 1 i I i \ ______ - ,\` \/ -/\ ,\- -/'`/- /' =\y -- ( t \- `j \\\\ /1 J / V -i 1\ 1\ y,., i\5, - 1--1- / ->L. -/// / I1 I 1~ ` - _-\ ` / / • I I /k'/ -- c ,/ /A; ' // I i \ - ' \ - - ` ` - i . ,_ // / - \ \ 1 1 •,, / J _ - i ^ \ 1 1 / / •- - ' ' ' w--- r _ - - , \ - • / l jQ / ,- - `-' _ __-- \ _ I / ,/ I i \ / % _ \ \ \ \ I \ --. --, 1 / 11 r1 / \ \ / _ - _ / r'I - , / ./ f V E ^. _ sem ` .! I ' I I /,'-/ ! --- - _ - _ - \ II I -\ I I I / ) lI Itt ,',- - _ _ -`\\ \ \ \` \ `-' ///'/ - 1 J// - \ \ / JJ- - \ \ \ \ \ , \\`I 1 I \ .\,'\ \ - \ I f ' /' / / ( e sX Q "\ \ jI/) \ '\ %, (' I / / - ` f= i - (_- ' >.,- /!' - - 1 • . i , _; 1' 1 /' /` / Ir' i ` J- _ \ I \41 \ 1 ` / 1 / /' / `\ / / - \ 1 l \ \ \ 1 \ I • 1 \_/tY\ f + a+e \ \ r / / _ / /- 1 ' - - _ - _ - > -- / JI'\ kr / I -' - -I \ r 1 / / / 1 " 1 * +\ \ \ *+ *+ I `/ / - "' i i - ____ I 1 _ - , I I ` 1 I , > /ice - -,- _ 1 I l \ - \l 1 I \ 1 ate ` / '- o ! " ' I I I - _ ---- - _ _ 1 1 I , _ ' I _ _ r , ( 1 I , I f) l r 1 I / % )/ \ , } I I+ I l J\-- :%: ° e,,•'\ \ /- ' / /, ,!• / i :/ I J - ` ``% ill I '" , _ _ ' ,\\ I 1 i I 1` 1 .'' / ri m -- ` \ \ \ 11 ,'`I` III \`\ J ) ' / /' I i I , / / / ,- / / // / kL \ - - \ \ \ \ /l 1 // :1 \ \ l *1. e * , -'\ _ / - / _ -__J /'' - i -'/ I / 1 - I- _ _ / _ , 1 I I 1 , i, \ , I L \ \ / I 1 1 , 1 I / / / / / 1 - / \ \ \ - I- /, / I Z`+ \ x\ - I .,: : \ -o \ \ • / 1 /.%,' _ - / _ _ \ 1' , r 1/ r _ I 1 1 1 1 1 >' , .' , `\ `, I k1" "/ I`, \ / 1 / 1 / / l - // / I / I\ - _ \ \ % ( I 1 ; X+ ( \ =: °L / - i --y ---_ ___-' _ _ \ , I /C - \ 1 \ 1 1 , \ t . , - 1 r 1 \ \ I /1 I 111 / , I -i'- / I - \ - ( \ •17- I , / 1- - 1 \ _ / _ _ ''I'-- _-/ - \ 1 // /' - `, -' \ \ 51 t , -7 \ , - I I / I /r 1 I dt / _ / J I \ \ \ _ /\( 1 \ \ * - e.1; / _ ' , ' - _ - _''- _----'- \ l - - ' \ \ 1 I I -r] I 1- ` ' ) r\I ) >'%` lI I ` . '• 1•,• I 1 /•. \l, o i I J /' i 1 I I' \l I , \ 1 I I r__. I I 1 I \\ , \ _ / / I I \\ \ - \ I I I1 l \ ) ( I e, I / r'____'_' . - _ \ _ `\ , \ / ,,\ i,\ ` \ ` i I i I t //II ( , l ! it -_/-. ,/- \ 1 \ / / \ ` ' y \ , / , \ \ I , , \ \ 1 1 I// I Ij1 %i \_-/' _ J__ -'' w \ y - r- / \ , ` Jam 1%`,,/ I , \ k / I I I 1 I \ \ 1 r /I , / 1\ \ / 1I- 1 \I „/ 1+ "y \ _ / 11° \° t . "' ,._ , , r_ OVTTAI]L\ 1 1 / /- 0 , , \ I I I , T /I -f I r Ii'/r / \ 1 I \ ,.` / / \ I \ _ I I ) } \ i T J --- - =---- _ _ \ Z7UTAL 2 t -I ( ,I I / I I I / ` I , \,' / ( \ \ ,• \ / rI / I\\ "„`„') \ \ - - it° I° ''^,- i n`--- - ''_r' _ / ./ .' I \ \ \ 1 i I i \,\ \\ \ / , / / ) , II/> I \ / I 1 \ - - / ) \ I - \ .. . e • -_F_ , - T - = i t- _ J , _ \ 1 1 I I I , \ 1 / / / / ` , / r L. - f , I \ \ - / ll - rte, * I, I - -- _" / - - - - \ I I / I f , l \ l' \ ^Ix' '.*„` ii ' J1 - ' 1 ' \ /-_ -\ \ \ , \ \ I 1 I I 1 1I / .' I 11 t I I\1 ` I / 1 / I r \, \ . / ) f I I 1 1 //, , 1 , / i I ' `\'\ " - - r l \\ \\ \ I' - // I/ ) ** I, i- \ / - 'i,_ - - r' i - --' ___. T' i - - _ = ----` \ 1 1 i / 1 I / ,/ ` , Ip " 1 I / ( _ I J/ / 1114'/ I 1 I 1 \ ilii I ../ , I / / / , _ \ , \ \ / \ \ ` / / // = + ,) \ _ / / - - \ r1 - J. ..'\ t _ -' - / _ r ` ---, / I 1 / 'I I 1 - l , //'\, / S 1 - 7/ ' I ( I / I l / II ` I - - _' \\ \ \ I_ " - / + +* / / \ / - _ L_' \ frJ ///`. ' '-/%. '/ -- _/ , / ''- - '-- 1~-./ ice---. t ` _ r /t SSI <I/ IF / /I I / / I \u / i 11/I 1 i ' ' ' - , l , 1 - - - \ \ \ F', / / + :,\*++ \ // , _ `-- ( /' - ' -- . / --- - \ ' I, \ \ _-_-` , i \ I II rI / I II 'N / i /I I 1 \ 1 I I I I / / I ( - \\ \ ,\ \ / - ` / = , / " • ,\e I / ./ i -- / - - _ /- '/ -, \ '. _ ` r- \ ) _ r\/ I I I I l l / / \,< I 1/ ( //1 \ \ I/ \ I I I 1 1 I I I ,' , ( \ \ - - _ \ \ \ \ \ / *; * + + - / \ / . ° e"' \ - _ _ -_ '- /.'-,'-'- - - - `\ ` \ . - • 1 -F -a / , , I Q I / I y ,\ , I 1 //\ I I I \ \ \ I / / / / , \ - / \ \ \ \ \ \ \ * +* - ' e e r _% y -/,- - I %`---\_-'. .' `.\ , 1 -\ I \ I , -r-n ' 1 1 I /\ 1 / I /,O/ \ I \\\ I I\ \ 1 l - \ \ \ \ \ ^ • / - l e 'e a -%/ / \ \ I ! / I o , I' / \ _ - - \\\ ,- \ \ l "r'/ - ' e o e oee I` ' ' I -//"\_ /' L- ,/' i -' \ i 1 III I \ \ . \ / r I I/ / / _ r , { ` 1 \ , , 1 ! / -.. \ \\ \\ -`\ \ \ / / +, "Y +/ +; * _./ moi- . oe • .. pO _ -' / / 1 I - 1 \ \/ /// ' _% I I I / I I/III \ `:`, I \\\ \ \\ / \ _ \,, {' - - e e - - e' - - / , I/ r I I / , f zs !-\ r' < \\ `, I Il I , . - \ -` , ------ ' / t 1 1 r 1 \ 1 \ I \ f / / ,'/,/ ,/,, , / , lI \ , /„ a .`_-- 1 1 I \ / \ 1 ) \ G C / . 1„ _ - I - ,'- _ I I - // "1---' I I I \ I \ \ I \ \ J v ` \ '/ , 11 ' ' // In 11 / \ -_-_ --- 1 \ - - - : \ \ \ / 11 \ ' g_ ° - _- fir- -,-_ / ___-_', - - \A l I I II \ - - /' \ \ < / ,/, / , / I I , I \ , 1 \ \ 1 ,` \ , - / , \ \ \ / I I l t '( 1 ` \ o • --- e:.-°.e.ee•°° •°ems '' ,, / " 1 1 1 I i '' - - - _-_-- '`'J '-- 1 1 1'll 1 `` -`----''-' - -_ r1/ 1 \ \' `\ \\\ \, `;\ S , - ' 1',,,, :' ' r i / ,// \` -_ e - ll l n e-/) \ \ \ 1 /// / ! / ( J, / 1 \ ` \ \ \) e ° e• _ _ a-6C?TFALL -' _\' 1-'; -- - = - - - - ' 1'' I I \ \ \' `---- ' , v , ` . - ,- -/,•.,, „ / /y I/, , ,,, a \ , 1 \ . `. `. \ . \ 1+ . ' 1 / , \ 1 1 / /1 / , `_- .0 a Qe•O / - e . _° e° _--- - - --= _, / yy 1 -' 1 ___ -- \ I I ` ' - _-' / \ \ \ , \. `\ \ `, _ , / „I 1 \ lam ti - . t\ I ^ / \ \ s ... - ° -' / i I ( \ / ` \ , I I , \ < ,I ` , // ., - / / / l r / / I - 1 I / / J ' e ° / • e e ee o e-4 e - - _ --/ `-•_ - " / , I I , / '/,' _ / `t ) II \ ` \ \ ' \ - ,' /• -.; `\ // / i i I I \ . t \ i l l ' I - O • ( l 1 I S'1 I 1 ('1: _ e / of - '-- _ \`, I I / ' _----------- ' ' \ _ \ , \ \ l l I, '/ \ I ,/ ,' `_- /'•' T •/ -r I / I \ \\ \ e " e °° - /- -- - -' / - ' -/ / \``- I I I / ' -/ / .-- \1 )','' // II \\ 0 `\ J , 1 \ \ , \ ,` \ - ice" // /' - , \, r l / / l'/ / / ` - %I I 1 / / I -/ - J1 f/1 _ '' -- --'--- \\`- "I / r ' \' II \ 1 \ I I, - r / I, // //, /'/A i \ 1 , ,' '/ l / / / lI '\ \ / /'/ / // // / 1 I -, - b=e '_ / eee ° _ - /- _---_ \ , (- , , , 1-r , - - - \\ 'I\`\\ \\\ 1 1 / 1 / \/ , % / -"'. % / /)/^___\ - 3_ `, , I \_ \- -- \ ' /, /, /% /' /// 111 i 11 ' I YY -_ - _ _ I / / / , \ l( Y \ \ / f / // / j 1 /, 1, C,j - _ _ J I / i _ \ \ - \\ \ 1t It \ i % ' ' ' I = \ _ - r \ ` ` ` . , ` ` / ,.. : - - r- / // ; / I I' r / V !`- U/ O e 09 _ / i - _ ,/ ' / , \\\ ' /- /' , - /' t_ \ / 1 I `, / I' , /- J ! I J / I / I ' , , // ,,' . \ \ \ \ / / / I I \ (\ / ,.y , 1-- . , ,-',, , / L f - 1`.'`"' I - / , 1 r I ,' `, ,\\\ \ I \ I ` . , , - /, i -I - \ , _ _ _ II \ e _ - i- , \ r --` -J - / _ - / I . `\`, \;'-- 1 I1- - , ter- -_ '/ _ ` 1 \ ` - - - tJ -/', - _ / / 7 I/: J' / / I l /:''/''// I\\\\\\`' \ '/ ) I 1 t 1 \ \ • o .°ir - • i • r / ^ - / , r \\ \ ' - ` \_, \\ _ _ \ _\ \ is /--/ d_ - , / / r 11 - V I I / , '/'' i - 4 / / - e - - l' • , r, _ r _ 1 __ , / / \ - I- , / \ 1 ,` / ) , _ - - - \ \\ \ l' ,LJ - `- i \\\ /„- / , - Jv T , I 1 / /// /// / . \ ``\ _ / / / I/ I \ e+ -O / - ' '1' -Y I 1/r _ /// _ \ ' l '' ' l / \ \ "/ \ I -_ r -_-------- l -\ - - -- --`\ \ \ I J---- 1"1 _---_-_ fI / , // // I,\\ // III \ - fir•/•„ _ i/ 1 ! J .-.__'/' - r - r , ` \ ` \ _ /\iI ' __' - --_ \ `\` , i \ i ' -^, _- I l l 1 1 I / /// r ,/ 1\\\`.` / \ / 111, / , / / \ / \ \l % ' , -,- I , - / , / ! 1 , // /r I elo - %%" - - - ' \ 1 \ ' / / r _ . \ _ 1 1 / \\\ \ , , i / / ' _--- _ ` / . . `_-- \ `` -%/r' `' I ' I I` _ - F I '// I/ /` .`,\111 `:: ` \` - - ' e' P oe -• - / ev° /- e O - , ° \ 1 l , I , I " \ , I I , , , , \ -i - 1 l - ------------- , ,^ `` --_-"--------_-.., / // -, . I1,' --- -- - 1}'_ -_ I / //I It1 \1 r-. \\ \ / _ /-/ ey . / "ems=oewe 1 I ,__I .. - \v , -J / , // •"/ , \ 1 \ 1 \ / 1 \ // /,, , _ y t 1 I -. , \ , . _ -_ _ -e9 / •°- e e e- _ - o • ea \ 1 I 1 i i \ - \ _ , 1 , -' r / /', - - - - _ \ \ \ _ \ // I / / I 1 \ o% / e s% 1S_r -,.. y,° ° J .t° / e \ ' \ 1 \ \ , ` - - - 1 / \ \ \ ` , ` / I I - \ I 1 / e; - w° / / .. / r•°Y -i i -o % /_ // _ `, \ .\ \ \ I I I 1 I \ \ _` , I I // I / \ \` .- i I I 1 1 I „ _ , \ , \ \ l I r ` ,\ n - Y' , r , Il / I t \ , \ `, ` \\\\\, /\. :„-ski - - - // °i off° - _------ -^ , . \\ -: I 1 1 / , I 1 I , --_, ,/ \ / - __ 1 1 / '/ - - _-- \ \\ \, , 1 / / I O \. , , \- , U J/k -+=_, - < _ 1 1 \ \ , \ \ \ \ \\ \, -i /- - - + -/. o - - - - - - \ ,1 I 1 \ \ I___ ` \ / / / / ' // - ,1 1 r' -- - \ `\` ` \, I , / / - \ \ \ U_ -- , \ / l/i \ _./ty\ 3' - !. I\ \ \ r S s e - _ - - I \ t I r t t `\ \ , _ O \ I / I 1 _ , 1' 1 ,' ' _-- -_ \ \\ t \ \` - \ y \ _ /- , I \\ 1\\`\\ \'\ - ':" - 09% _°--- - ,.--' // - - - - , ` \ \ 1 , `\ / , ' / t l \ , I \ ,/ - / `''- -/' /'- - ' , i 1 _-/ /' r /' - - - \ , \ \ `\\\ I I \, , / / / __ : , \ ---' - "/:G%/` \\ - - _\ - , '__ ,---' '\I I_ / 1 1 \\ \ ` . ,, _=-1 - ' /- --- \ ` , I I I / I ,\ \ \ I / / / 1 / _ ___ '/j'// __ 1 I I' / / / ,/- '/ ---- \ ` , , I 1 ! / , / _ \ , \ \ - ` ,, .J - \ a/ - 1 \ \ \ 1 , \ j \,\ \ \ \, \, _0 -. I - ! % ;. °fey .<y e+^'- 'e - __-__ _ i '- ----- \ \ \ \ 1 I I I I t 1 1 1 1 I / I 11 1 /_- - I- --- _ I ' I ' - , \\\\ 1 , : .-- - \ _ // ,_`_ 1 i 1\ I,/, Ij \ \\\,,\i. / --, --:__ _ --e -_-_ ___- - II'// I I 1 / / r - __ / i. -- / II r / , /'/ - \ ji \\` > \1r -I/ -`,\,`__ --- _ -/ _ I ,t"r_- ,, 1 1 ,\,' 1 P I , / / 1 , / , i - ---- f \ \ 1 I i1 1 , l C_ , , I / / , / / ' / , i \ \ J r -- I I,l I 1 / , I \ \ , \\ \ 1 , ' / - _ _ / i _ / I / , / / I I 1 / _ / / . e Ie a Iea!',° : 1Co-• e.,°39'Y i - - <i - - 1 > / / I 1 I \•/l , I , < , I / , , / / ' I \ I , / _ ` 1 \ 1 1' / r I I - , \ = _ - - ` ` ` ` - __ - 'i/ 1 r I IfI/ , , _ t A I , , / ,' , ,' / /, /'' I ,''l''' ' Y : ' ' - -- - - - - '_----- _ { , , I \ \ , / f - 1\ 1 \ L / I / I / / 1 I - ----- --' / ---- , 1 1 . / - \ ` I 11 \ '/ ''/ -- \ \` \`- ---__ _--- i /'' r /l 11 / 1 11 I I I,/,/ , /,/ / /- , / , 0 •'/-- -.---- -- -`_ ` I I I I I \ )„ r / t 1 , / / ,'/ -' , I ` l / i , I I / -'"' \, ,` 1111\` _ / J /,//,'//- - ,` `, \\ 1 \ I liltl /j r I /- \\` ` \ _ _ " __ \ I l ' l , ) I j-'_ - f I I // 1 1 , , , , I , / ` J' / I 1 I ,' '' ,---\ `\1 j \ -/ , / / _ 1 II 1 \I I , I, /-- `` \ ``• -_ - ` l 1 l ,- ,, / /// '///////,I///I '// 'g~/ % '' -/ - /_ _ - , , 11/, I /\ I I I I / / , {„ ( 'i \ l r / 7-/- )1 1\--:- I/ I I , , /1 / , / \ , '\ '/ --1// I// / I _ /1 / J , i / _ /\_- \ I I I "rr"%% _ _ -` - , / / / / / - , , , I , 1/' ,_/ \ 11i - /; : , - -' r \ , r 1 \ \\\ \ 1 , i \ , / / 5 `` / / 1 ---- `\ I I / , / I / I ` `1 L_ _ - _ / / al ,, , / / ' , / /, I / /, / /I/I/r,, ,//, , %i , / i,/ ' /- / -'/ ' - ___-_'' - Vii• -I' '\ ` \ 1 I ( ` ` 1 \ \ \ \ 1 / / / I 1 I < , t / / /-----____- \ - ` l 1 I ' l I _ \ - ` - ((( I - ' / , I / / I , / / / I '/' ' //I ', , /' ' ' '','' " - . , \/ \ ice• ---___--- r1.`` \ \ I I \\ I' 1 /, "i .' ' ( 1 - I / / / r , , I , / \i, , r `-11 '' I /I / / '%- t\ I I \ I \ \ \ v /' `/ , 1 ` ) \ ,, I, I 1 , \ I I ' / / / ,,'/ ' / a' i _ \\ _ .' _ / //// / I / i' I I I l / , , ,,, , , /,,/,, , , ,'/ I \ \ I 1 \ \ , ` \ \` _ '-` ,, I .r \ \ __ I \ \ , /'/, t. __ I i l ` ,/ ,III I r / / i , -- \ , , / ,%icel , I / i I ' / , r 1 ///, I / // / 1 I , ; / , , / 4 ,, , ,' - , + \ \ \ \ \ , \ . y , , I / ' / / \ . I ' ` \ C l , _ , ., ` \ I / , / , / / , , 1 t `\ \ ' `%: ' / _ - , ; / , I . " _ - \ Y\ \ , I 1 I , . - \ \ \ \\ .\ - \ _ _ _ _ - /. , / - - \ .I _ _ / i 's I l J. , / / - _ / i 1 _ - t _ _ , \ .i J J _ DRAINAGE AND OUTFALL NARRATIVE THE SITE HAS 8 MAJOR OUTFALL POINTS ALONG THE EASTERN PROPERTY LINE, WHICH DRAIN TO MOREY CREEK. THE DRAINAGE AREAS AND LAND COVER CONDITION ARE GENERALLY CONSISTENT BETWEEN PRE -DEVELOPMENT (GOLF COURSE) AND POST-DEVELOPMETN (GOLF COURSE). THE CUMULATIVE DRAINAGE AREA IS CONSTANT AND THE CURVE NUMBER OF THE SITE AREA HAS DECREASED FROM PRE AND POST -DEVELOPMENT CONDITIONS. OUTFALL 1: AN ONSITE NATURAL CHANNEL CONVEYS RUNOFF FROM THE SITE TO MOREY CREEK. THE DRAINAGE AREA WITHIN THIS OUTFALL IS GENERALLY UNDISTURBED - AN EXISTING GOLF COURSE (TURF) AREA WILL BE CONVERTED TO A MEADOW (BRUSH). OUTFALL 2: A LARGE ONSITE POND (#2) SERVES A MAJORITY OF THE L- DRAINAGE AREA TO THE OUTFALL. SOME AREAS WITHIN THIS OUTFALL ARE CONVERTED FROM GOLF COURSE TO MEADOW, WHILE OTHER AREAS ARE CONVERTED FROM BRUSH TO GOLF COURSE. THE OUTFALL IS A NATURAL CHANNEL FROM THE POND (#2) TO MOREY CREEK. 01 j Ill yGTIM5 A LARGE ONSITE POND (#3) SERVES A MAJORITY OF THE DRAINAGE AREA TO THE OUTFALL. THE UPSTREAM AND DOWNSTREAM NATURAL CHANNELS HAVE STREAM BUFFERS, WITH SOME AREAS BEING USED FOR MITIGATION CONVERSION TO FOREST). THE OUTFALL IS A NATURAL CHANNEL FROM THE POND (#3) TO MOREY CREEK. OUTFALL 4: THIS OUTFALL POINT IS A NATURAL CHANNEL, BUT DOES NOT HAVE AN UPSTREAM STORMWATER MANAGEMENT SYSTEM. WORK WITHIN THIS DRAINAGE AREA IS GENERALLY LIMITED TO REDEVELOPMENT WITH MINIMAL CHANGE IN LAND COVER CONDITIONS. OUTFALL 5: AN ONSITE POND (#3) SERVES A MAJORITY OF THE DRAINAGE AREA TO THE OUTFALL, BEFORE THE RUNOFF IS CONVEYED TO A NATURAL CHANNEL. OUTFALLS 6/7/8: THESE OUTFALL POINTS EXIST ALONG THE EASTERN SIDE OF THE PROPERTY LINE. RUNOFF FROM THE SITE IS NOT CONCENTRATED BEFORE LEAVING THE SITE, BUT IS CONVEYED TOWARDS MOREY CREEK. DRAINAGE DIVIDES SCALE 1 "=300' 0 300' 600' TH O.F I OD N U ~ I Lic. NO. 04 660 i o2or8 _ b 5- / i' SSIONAL G1 m E 0 M8 N N c E w v E U Q I•" C)LL ol\ wO ram l!J M Qa J U co 111 J - In a> or`I vi N z B M X Q O tY o Q 5 1n= cN U r- Q In C tT O N to 4IllM d , to J H O U D O 0 w 7 w U Q z O O Z r - z O a_ U U) w 0 z O U) w W z OO W Q_ 0 W ti W IY 00 O Q "I 0" O DATE 03/02/18 DRAWN BY 1. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE w oC O U LL J 0 D O O D oC 00 I - z O W J W m J Q z W a - O J W W 0 W 0^ a - z Lu W V z w Q O H JOB NO. 40490 SHEET NO. C401 1 \\, \ , ,\ ` `\ - - /, \ `` \ \ --, - 1 ` \ \ - ' \ ` _,. \ 1 J , / .,. 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I(, II III 1 , r-- ,\ \ \ ` - ` ` 11 111111 , 1 ` c: ` - - - ` , - / 1 / ' l // I - \. - , r / \-- \ - \ \ - ,' \ \ / Il ( / / / / / / , I ' , . , I r 1 1 ) - I / , , I I I I I I \1 I I \ 11/ I/' ,\1 \ \ - _\ ^/ll \ \ \ ` \ \`-- \ , \ , I 1 11I , I 1 „_ `` \ - _ ___-- __-__ ``- - --- - -/,, ,-- `` \\ , ` _ .\ \ \ - J/ / l / ) )\ I - I 1 1 ,/ // \ ,, /' I ,' ,' 1 \ / / / \ r \ / / / - , \ \\ , \ r 11 II 1111, 1 ` _-__ - _ -- --- '' , \ __ - - - x v, p - _ - I / ' 1 ,, \ I I . r ,. l 1 ,'1 \\ 111 , \ I I I . r// 1 , ( 1 \ ,I I IO 1\'\\, z\/\ ` ```\ \` \\ \ \` / ^, t 11 i 1 I I , , 1 j1 , ` `` ` _ --- --_ - - \, -. `, \ \ - - / / / / / / I / I \ / , / , ! 1 1 % , I / , \ \ 1 \ -- - ,, / , r , 1 /, / 11 /f ' > ... 1' ' ' I '` % ,'/ I 1 / 1 ', y J ` /`\ ,` `\\ \` \ \\` >\I i\+ ^ ,' i - - , / / \ 1 ` \ - /, 1, 1 I 1 , 1 `, / .,- - - \ - / / / / 1 1 I / I \ / \1 r 1 ---_ I \ \ 1 `,1 , / 1 r , II 1 , r /' J 1 / / 1 \ 1 `\ I // 1111 I / ` 1 , ' 1 / , \ \ \ I \ r - i i i 1 / \ - - _ _ ,\ - / / , 1/ 1/ / / / I \ I +- \ / \` ' / S r' ( I , / / / .-' \ 1 v ..r , 7 \ \ \ / l \ \ , I \ / 1, I I/I ' , /'/ ` i \ - --- _ _ \ \` \ - / // // / ! / / / 1 - / / I ( I I / / / \ `( y r - r \ \ + ``.- / ,' / ' / ' , / 111 / r j/ +/ ( I / \ \ \ , / r, ,„ \ \ -- - ---'-' , \ 1 \ - - - / / / ! , / - / / / / /\ - l , I ,, /,, \ I I `\ - - // / / .,/ // ! /, I/// /I ' il %' ,' , - _\ \ \ \\ \I;\t \ \ r , \\ \ \ , 1 / I , r '"\ I \ , -- \ \ ^ . 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'i_,'I 1 / - ,' , 1 , l J r l f ; :'% / ( _ I' 1 I _ - / ---'-- ' \ / r , " r , I , 1 \ \ , , r 1 , , / II/. , , 1 // / 111 \ \ I r' \ --- /,= , ,/ I I / / \ `\ 1 f - , _ \ j'll' I1` \_---- --/ 1l 11'1 1 /,\,1 / , I , , . -- --- /,,'_i / ( \ \\ \ \\ \ t \ '\ \ \\ \ , ----- ,' % %\ -,',-7r/1 _ t , l -/ 1 // `- , , / -) C _ - _t ``\ \ /I I __' I ' ` - ` ``_- 11' I'\. ._-_-- - - i'//II I ,, l/I I ' I \ ` ---1_- _ _ _ - v / "I -_ \\\ \ 1 \ \ \ ,\ I \ \--_ ` - , \ / < 1 \ - - '_ _ --- -- I 1 , . _ - I I \ ,`\\ _ _"/ " , / 1 1 \ I \\\\ I ' I I I \ ` \ - ----- I ---_ -- /, / r / -"• i ,' - ,' // 1 \ I _ 1 ' •1 f `:` \ ` V `I \ ' `------- I \ \ \ \ r ---- _-P- '/_ter , r' '' 1 / - _ \\ ,r _ f - _ I ---.1 - 1 ` _-_`\ I \ '\_ -- -- ` \` I I I I \ \'\ ,\ - ,- _-_- - -' i / / ,^ \ ) 1 \ \ / ` _ - / / / / / 1 --,,- , , - -! , I S" \ -` t _ _ - 1 I I `\ `\ ``\ `--' i,_ - ."---- '_ / /// i /// ` / ) \ \ \ + // . - ` / ,-', i ', / / - I \ ' ` \ ' \\, i " -/ ,r I ` \ \ \ \ / - _ / - \ I \ 1,/' `-_- \ - - ' I J „ -`\ I 1-a,AIitFC/I G' i/ /' I'S /' , /' / I / - -- / \ \ I' , 1' 1 \ ' ' 1` \ \\ \ \\ 1 \ r' ,, '/ -_ -- 1 / _ `\` \ -.\ 1 `-- `` ' I ' I I , \ \\ _` -- _=_ ''_-; \_ - - r / // /I 1 C// \ _ \ / I , , / , f , 1 ` / , I 1 1 t , I \ \ \I \ , <. \ .. - - - ,'- \ \: - - ,/ J ` \ I ' z / / I I ) _ - //// / \ \ \ / ` `\' I // / ,_'` / I/ , ,', y/, , I I // / ,- - \ J , , \ t 1 \, /`- , , ` 1 \ \ n , '\' , r \ , /i "'' _ ' - \ `\ a \ , , \ ` \ , , 1 1 , `\ _-__\\,_` __,,, `\ - ,, ,\\`ii_ ._ J I 1 \ \ \ i - _ / / I ( y_/ '' _ , , / / , / 1 -,1ti \ \ \ \ / f 1 -` \ , \ / \ / /i .' -\ \`\ / \ \ `\ 1 / , I n -1 I ,q- r 1 I ` \ -__ _-\, / - - ``` / ,, \ , / \ \ \ \ -- / J l ! - I I \ ,. , 1 _. / / < / / I I , C - \ \ ' J ' -- , ,, \ /, V - \ I \`. `: 1 \ \ I , I, 1 \ , `-_ ', _ ,%,\ , 1 \_' \ 1 _ J , / / / , 1 _ ; -_ -\\ I \ / / \ l+r \ \ /NIW_ _'--- , \\ \ - a \ , I ,/ l ,// , / / I I ^- - // / `-' , 1 - / , '' / , / //'_` \ \ , ,' \ `' ', r \ (1 y /\ _ - `\ \ \ \ \` Z` \ , 1 I / N`` -- - - ' I I \ --- -",\ _,/_ _ ...'%;\ ' / / /)// /) \ _ // // I / / / • % \ I , -,- '. /'' , ' / / /. \ , I `\ \ ( \\\ ,, 1 I / I I F \/ , , e,\ `\ _,- \ _ , \ I I , l ` -\, ` \` \ -'` , 1 , IL I r 9 1 ,I 1 I I, < k /S P I-\ _\ V \ _\ \: `\ ___ i\_ \ ` ` 1 I , , moi t , I , ----_- - •'-/ ` - t\ v / / // / ! - / \ \ , ' ', , I I / / "`\ \ 1 - \ 1 / L I /\ = _` - 1 - \ _ __. 1 / / \ ( / ( / r_ - - / / / , `h \ , , -,/ / / ' / ' I I - I/ ,' , \ \ \ `` \ , , \ / , r , \ \ 1 1 I I y , , \.^\Y/ I / `. `_ \\\ \ \ \ ` j , I \ I / l l I I / /' / ,, , l , , ,/ / i l \ //(/ / / - , \ t / 1 I , \ \ , / , / , I I I I t \ / ? r 7/ , >\ ,y y . - \ \ \ i t\\ , \ \ \ L ` _ _ - _-` \ .'/. _ '\`\`\ , • _ \ \ "' // /1 11 `l\ \ / / / _ i '"//' \ ,. 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" / ,-_ ` \`\ ` ` ` -`, \ \' ' \` - - \ \ ', i I I - I ' jx \ / i - x - / , I // < l \I \,,,,// 1 / / \ 1 I , I I I I 1 -, / , \ \ \ ` .`- >_ \ , , `\ , \ -\\ \\ ` I I / ' f , l< y /// - ,J;' \ / ) D V I , V , '-, , / I y \ \ `, - , 1\ III 1 ` _ ---_ \ s , \ \ _- `, I I t 1 Irll I \ - - / / / \ , ', r / 1 . 1 , ' , . / 1 ' I 1 . \ , \r\ \ \ - . \ - /, ` I _ _- l / I 2-_ , `\ \ - - _-_ ,' _ ` \, _ \ \ - / / ) , /. / / I / ( , , Y / / .' / \ I . \ 1 1 1 I \ ` 1 /'i , , r 1 I\ .• Y\ - \ `+\ \ , ( I I I 1111' ' I \ - \____ _ - ----_ - O_I-CI3\2-49-)kI--_- ' `, \ ` __ _ \ - / / / J I \ \ I I I I - lI r , 1 .`\/ / l , 1 // , , I 1 1 I / ' I , I' ) , 1/ ,' j ///, J 1 /( I y<\ `. ` / ``\ \ `\\ \\ \\` ` ` `\ _ \ t \I ' I I 1 ,r / I , / / / ," 1 1 _ A R.E QT'S , ' ('i. \ \ , / r I f / r ' / ,r , , , , \ \ \ " , , \ 1 I /' „' I \ ' --- l F%-_` •--' _ 1," I` ` - , \ - / J / / / // (/ l j I ) / 1 li / 1 / ' / \1 , , >" , / , \ \ \ ` \, J ,' / c d R,gNEA i, 103 AC //' I / M'', ''' // ' 1'/ Z ' I , ' \\. - _ - \ \ \ , ``'\ \_\ I / , /'/ J _ -\\. , , I 1 , , I /,' / I I / 1, /1 / - 1 -_ `_ _ - .' , ` J I 1 / l I , i\ - , \ \ I - I 11VIP `2 RG--- \ \ \ ` / / / / // / / /^ / I I I / Z / / \1 / / S / \ I _ " .^ . / f . -- r \ \ \ / - -\,- I T TAL ' ,135y4C _ ` 1,11' _-\,`, _\- `` ` - `,_ ---- `\\\ \\ _ \ _/ / / / / // // 1 / ///// t.\- \ \ '+. l \ /-_ " i/' \ - _ '' ,''/'','/ ,/I/ I - / `` i ,/' , \ ( , 1\, 1 I\I\ 1 1/\'\ ` ,/ ^'- -I\ \\\ \\I \\ / /, t r I 1 , \ \ l ( / / / / / ) / I / / / 1 - t \ ° y.', , ,' , , I 't I I I ,' l/ / / J / ' I I L, / t 1 1 - / ,, II ,,' , ",- _ \ , ^ - - "/ \ ` _ / \ \ \ \ / / / / / / / J / / / \ - /~- - / i '/' T \\lam ' ' , ' , ,/ I / / // / / y ,L \ C - _ l / 1r I \ , ` __ \ Z `\ \`,, \ \ / 11 / / - \ / / / / // / / / /.... / ( ,, _ ,'" -• QBSIO i-_' / ' , 1 ( \ J /,/ 4w,%i f , ./ I, , \,/// \\\\ \\\\ , I••jj + l i,i)'1II •i.'''_-- \ `: \\._` - -`- J, \ - - \ \ \ - / / I/ / J' / 1 / / // / / I / / '- - - \ / % /J ,-IFVRF-STI.. i - J _-,___-''''/ , , -' \ >` i j I - / /fit t/// { / ! t \ ``^\ - _- - \ -i' y 1' \ _ /jam ` Z\\ \ \`jl \,\`\ I I I _ ` \ ," , _ -_ ` \ - \ ` _ - - ' / / / / / / / / / / /' / `` -- _/ .y J l / ! S \ J 1 / \1 I` ` '. /r , Z - ` r- k' ; / I I I I < i/ - \ \\i i11`\ -,,\\ / / f I \ ,,`` \ t IIIb//'; " , ,__ - :\ .- ` \ ,\, , ,` __- , \` _ - `` \ _ `_ _ / J ( L / , -- - --= _- -` \ ,\ ` LJ .C__- , 1 r \ I 1 I / I' -- „' - - ` \ \ \ t. \ - / l // I / / / // - / r // r/ / / / m'•'+.. _ I • - - _- _ - i -; , // - / I l l / l r, , \ \ / - - _ ZJ ` r- ` / 1 1 I I ` +/ ."' \ \ , \ \ \ / , III ' 1, '_ \ -` `:\` \ \ _ \ a_ - l J l / / / / / e ' ---- //' \ % , - _---_ / - ,t- L I 1 ,- I',///, I, _'%,-__, /7 -\ .` _ _ _ \ -_ - ( / / i 1 /_' / ( < I \ t' I \--/r=1= F-,-- -/ I/ i/ 1 I II / ,` '/ /,' ` ` - \ \,\\ \ \ / / ) / / / I / / / ` 1 Fl.! / / J - ' \ - _ \ --- I l lI l\ - \- T1-` t_-___ - i \ I ' > 11\\ \\ ; , 1 / 1111''' I/ / -- I , I -- - \ ` - \ - I / / / \ I \ - % / 7 / ' . ./ ' L r. ` _-. 1- - -= I t \. 1 I / / _ - - . , , ` \ \ ` - \ \ \( / / I I I 1 ( // / I 1 I r I l F: -. • .,/i \ Ii ' /''' \ r-1 \ 7 \ (/(, \ \ \, ` - - -\ il/ ' / , I` ' , ' , 1 / \ 1, i = - . . \ _ / \ I l l / ( IJ 1 / / / , a 1`f•.. / / mi. ' u \ - t \ \ - , _-- _L r• c \/ / , , / /, /, ) \ t 1 I I I'l ,IT _ ; ' ^ --`_ ` ` - ` \ \ 1 1 1 -\ `\ '_-- _ „ , - / / / 1 ' ( / / / \ 2F-P I vat / / / ( `j- / \ / - \ r-\ i L \ 1 - - - _ \ \ , / / /, / / ` \ 1'11111 % ice= "_^\\ ,I,1' i'\ _`_ _\- / /j I I I I I / ( / r v,v v / / / / / / m / / // / / '-. { ' 1=Ad L ,l i? - _----- \ // - ;,',/ ,,, ,l% J l / ICOR ST 24 5 AC \ \ ) / / / / i. I 1 ( .t I - - \ , , i,l',\ '- -^ \ \ \ \ `/'Ij ,1 I I 1 I \ / / 1I I ( / ) \ 1 ( / / / /° / \ /= I `\-`__ `, I -- I' ,\ ll1 11 ' ' `\r I 11 t \ ` - \ \ \ r- /\\ I I \ _ J 1 / / 1 / / / x• / .?. / fI \ \ '+ , \ , \ tea./ - • / ' '' ' \ , \ I -;: =='. ---; - \ , , ,-,\\;`\-- - - --' -_ \ \ \\ \ `_: 1 /`\ I ( \ / / l/ / / INxP - 1.5 AC I ) I 1 / / / r / / I.) ` ` // 1\ / / // ,° ° i- / , °''-J \ 11 - \ ., I I1, ,1 , `.\. ^ / ''-\ y i /'' 1I1\ \\ _ --, _ -_\ _, \\\\ \\`\\`_--_------`` - - `-\\\\\\\ \ •/ °1 \ 1 \ 1 \ I / , J / I / - ( I / / /a J\ / .Im `R y\ \ I r f• mw uAM _ r ,,,1 ^ y i Y/, N\,- - - - - - - , \ ` ` \` - _____ _ _ _ .- - - _- \ \\\ \\ - \\ - ' j % \I \ I I I ' r / / / I l / TOTAL 27 AC/ / I 1 , M 1 I / / . / I :t \ - / ' k - / J , - = J I , . /,', `\ _ _ / Y, rf /,; I \ 11 /' r 1 \ a / / / 1 v / I / - / 1 \ X15„ ` Wv / \ t t. I / (• _ r - / I j1 + \ \ ^ ' i `1 \, 1 \ I 11 1 - 1 `__: 1 ,\ \ I / / • I ( \ \ / / J /' / a i. ° j'-' \l i / ,' o a / , ' t \ \ ` \? `,\\\\ I T -r ` `\ , - \-----\-\ \ \\ \ \ 1 \ I, , , \ \ / , // er' v v / / / r \' l \\ ;} A _. / // °•,., j° t °wa l i / I • / 1 I \ "^. ,\ \ 1 r• a` i _ \ \ \ sex \ r-- / `_ /// 1 "1 /: '% 0 00 T a 0 N 00 0 a LAND COVER SUMMARY TABLE THIS TABLE PROVIDES A LIST OF OUTFALL AREAS (TOP LEFT OF EACH GROUP) AND THE CORRESPONDING PRE AND POST DEVELOPMENT LAND COVER CONDITIONS. ONLY THE AREAS THAT HAVE A CHANGE IN LAND COVER ARE SHOWN IN THIS ANALYSIS - ALL OTHER AREAS WITHIN THE SITE HAVE A CONSISTENT LAND COVER IN PRE AND POST DEVELOPMENT CONDITIONS. SOME AREAS, SUCH AS THE SOUTHERN END OF THE PROPERTY, ARE OUTSIDE THE LIMITS OF WORK BUT WILL HAVE A LAND COVER CONVERSION AS GOLF COURSE (TURF) IS CONVERTED TO UN -MOWED NATIVE GRASSES (BRUSH). CURVE NUMBERS FOR LAND COVERS ARE BASED ON TABLE 2.2C OF THE NRCS TR -55 MANUAL FOREST: HEAVILY FORESTED AREA, GENERALLY AROUND THE PERIMETER OF THE SITE. CN=55 BRUSH: LOW MAINTENANCE AREAS WITHIN THE GOLF COURSE SITE, WITH A MIX OF VEGETATION AND GRASSES CN=48 TURF: GOLF COURSE TURF AREAS, MANAGED CN=61 IMPERVIOUS: CART PATHS AND OTHER STRUCTURES WITHIN THE SITE. CN=98 2 Pre -Development Post -Development Area CN Area CN Forest 19.5 55.0 3.3 Area CN Brush Area CN 48.0 Forest 0.0 55.0 0.0 55.0 Brush 0.0 48.0 3.2 48.0 Turf 3.2 61.0 0.0 61.0 Impervious 0.01 98.0 0.0 98.0 Total 3.21 61.0 3.2 48.0 2 Pre -Development Pre -Development Post -Development Area CN Area CN Forest 19.5 55.0 3.3 55.0 Brush 0.0 48.0 17.0 48.0 Turf 21.6 61.0 20.1 61.0 Impervious 0.41 98.0 1.1 98.0 Total 41.51 58.5 41.5 56.2 3 Pre -Development Pre -Development Post -Development Area CN Area CN Forest 17.4 55.0 2.6 55.0 Brush 0.0 48.0 9.1 48.0 Turf 12.2 61.0 17.4 61.0 Impervious 1.0 98.0 1.4 98.0 Total 30.5 58.7 30.5 58.3 4 Pre -Development Pre -Development Post -Development Area CN Area CN 55.0 Forest 2.4 55.0 0.0 55.0 Brush 0.0 48.0 7.4 48.0 Turf 7.3 61.0 3.4 61.0 Impervious 1.4 98.0 0.2 98.0 Total Brush 11.1 64.3 11.1 53.0 6 Pre -Development Post -Development 5 AN 55.0 Total Brush 0.0 Area 0.6 Area CN Turf 0.6 61.0 0.0 Forest 0.0 55.0 0.0 55.0 Brush 0.0 48.01 3.1 48.0 Turf 3.7 61.0 0.3 61.0 Impervious 0.41 98.0 0.5 98.0 Total 4.01 64.2 4.0 55.7 6 Forest Pre -Development Area CN 0.0 55.0 Post -Development Area CN 0.0 55.0 Total Brush 0.0 48.0 0.6 48.0 Turf 0.6 61.0 0.0 61.0 Impervious 0.0 98.0 0.0 98.0 1 0.61 61.0 0.6 48.9 8 Pre -Development Post -Development 7 Area CN Area CN V) Forest 0.0 55.0 Area CN 55.0 Area CN 48.0 Forest 1.6 55.0 0.0 55.0 Brush 0.0 48.0 5.7 48.0 Turf 6.2 61.0 1.9 61.0 Impervious 0.01 98.01 0.2 98.0 Total 7.81 59.81 7.81 52.5 8 Pre -Development Post -Development Area CN Area CN V) Forest 0.0 55.0 0.0 55.0 Brush 0.0 48.0 0.0 48.0 Turf 0.0 61.0 0.0 61.0 Impervious 0.0 98.0 0.0 98.0 Total LL 0.0 98.0 0.0 61.0 REFER TO SHEET C402 FOR MAP OF LAND CONVERSIONS FD TH op N U Lic. No. 048 60 SSIONAL M E CD a M U NN Q0 E LU v E LU aLLo o LL L w O ro W M Qa J U co LU J - Ln N N U Uj N O x oa = U Q) N U > LnQ c LnrnON N i M 00 J O w I.D F CL O Z 0 00,13 13 z O a_ U LU 0 z O LU W O U cz w a 0 w W DATE 03/02/18 DRAWN BY 1. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE JOB NO SHEET NO. C404 rW V) V) z O O H U Q LL J z U J OO Q j U LU U J LLQ Oweco J Oa LL O H W JOB NO SHEET NO. C404 r ir i i//^==lJ/ !/l! I!,' ({I\ 1.73 AC MANAGED TURF MITIGATION IJ (/ t , / ) AREA (TYP) 1 yam '1J J / y I I I \ I 1 / / J I I I ( , ) I \ \ I \1 ! ) -'/ l/ / :`.:; ;;:• //_ _— L .{ If 11 / I _ 1 \ P\ „/ 1 ! / 1 / I ' / / / \ I \ \/ \ :;4., : tY;" / `` yrs•. L 400 C M GED` ' • \ \\\\\ J \ `\ I\ \ \ \\ 111 \ o i ( / , // \ > / / I,'/r/ / i / '•(` I 0.02 AC IMPERVIOUS 0.98 AC MANAGED TURF 0.89 AC MANAGED / L i i 2 I / /o / //// / / / / -. \ Ali I I \• . - /- J O / —, . , I yll a® ( / r/ lf// I! / / / / I — i/J Ili II1 \ /— _ a ` • J ' . g ti / (/ / j i J \ . \• 4 / jam/ Irle\S C 1 w\ I 1 I / Yom/ / / 4 / / - _ I '"°' )• Imo;` I I Ili F_7r jLllll H1{$(/ 1 \ \ 1 / 1 e J \ \^• \1 \\ z 1111\—% \f / / I I \ I I I I 1 1 1 1 j l 1 I CJ / / / / / \.`\\ \ ' / /)/ — — — '\ \ ^lil ll ll ll Ltl u l i-tll 111 l —_\ /— aJ , \ / ,. \ • \ i ( \ 1 — / / ( \ \ \ _ I \ \ \ b \\ //' , 1 \\ 1 \) \ \ _ .---- lililHl11F11' rv/ h 7/ r r 1.-, ' , ,` `Y\\`` `.-. ;- \ ,•, \ \ ; • • / I / , ,°- ` / - 4.88 A 2.69 AC ANAGED MANAGED TURF VEGETATIVE TURF 0.08 AC FILTER STRIP 0.12 AC IMPERVIOUS I \ `\\ \ / / 1 ` ; : • \ /` Q —I' ./— ) l ti ` ' IMPERVIOUS MA'NA3-ED RFI I ,, f E mEkVl USrlfr ° ." {..• - - - % - f l! 4 1111/,// S I I I I ( .• • \\ \ 4.41 AC MANAGED TURF 60- 0.09 AC IMPERVIOUSrc--I. GRAVEL DIAPHRAGM DETAIL BMP DRAINAGE AREA GRAVEL CONSERVED OPEN SPACE/ SHEET FLOW) DIAPHRAGM VEGETATED FILTER STRIP I I 2' WIDTH SHEET LOW VDOT STD. 57 STONE FILTER FABRIC PER DEQ SPEC L_ V WIDTH 1:1 SIDE SLOPES 2" DROP BMP NARRATIVE THE BMP SYSTEMS PROPOSED FOR THE DEVELOPMENT INCLUDE CONSERVED OPEN SPACE AND VEGETATED FILTER STRIPS. APPLICABLE DRAINAGE AREAS TO THESE BMPS ARE DEPICTED ON THIS PLAN SHEET, BASED ON PHYSICAL CHARACTERISTICS (SLOPE AND LENGTH) DESCRIBED IN THE DEQ SPECIFICATIONS. A GRAVEL DIAPHRAGM IS PROPOSED ALONG THE PERIMETER OF THE CONSERVED OPEN SPACE OR VEGETATED FILTER STRIP, UNLESS THE CONTRIBUTING DRAINAGE AREA IS SOLELY TURF (PER DEQ SPEC NO. 2). A COUNTY STORMWATER MANAGEMENT EASEMENT IS PROPOSED FOR THE VEGETATED FILTER STRIP AND CONSERVED OPEN SPACE AREAS. REFER TO SHEET C407 FOR VRRM SPREADSHEET AND CALCULATIONS AND SHEET C406 FOR NOTES AND SPECS, AS WELL AS MAINTENANCE REQUIREMENTS. BMP MAP LEGEND GRAVEL DIAPHRAGM ti DRAINAGE AREA TO BMP 7111 111 111 111 _ = PROPOSED BRUSH / EXISTING VEGETATION VEGETATED FILTER STRIP PROPOSED MITIGATION AREA CONSERVED OPEN SPACE (EASEMENT) Ar - SCALE 1"=300' 0 300' 600' TH O.F JOD N U ~' Le. No. 048 60 SSIONAL M E 0 M a N E Lu v Lu Q LLLL 0 Lu O ro c UJ M Qa J U co LLJ J — Ln H D N viU1L N X Q O Q Ln 2 N U Ln c Lnco')O N U M GCD LuJ z O a_ U w z O W W OO W OO ti W 00 0 Lu r14Q O DATE 03/02/18 DRAWN BY 1. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE JOB N0. 40490 SHEET NO. C405 3 C N O O Ur CLz pO 2 2io C T O O C NMN dO U Oo U) 3 Z h o 2Q 2i x o 0 aw 2 '3 CLcm V m7N x Oo 4% U 2 N O0V7U O O E L)_ U M O7 m U ON ON= U 0:3 m N OOUCOQ rW V 1 Q 0 U Q LL Q w J z Q Oozw W v J 0 aLuz O Wco a O Q c. 3: 0 a- 0 2: ED I --I W JOB N0. 40490 SHEET NO. C405 3 C N O O Ur CLz pO 2 2io C T O O C NMN dOU Oo U) 3 Z h o 2Q 2i x o 0 aw 2 '3 CLcm V m7N x Oo 4% U 2 N O0V7U O O E L)_ U M O7 m U ON ON= U 0:3 m N OOUCOQ VA DEQ STORMWATER DESIGN SPECIFICATION NO. 2 SHEET FLOW TO FILTER OR OPEN SPACE Table 2.2. Filter Strip Design Criteria Design Issue Conserved Open Space Vegetated Filter Strip Soil and Vegetative Pea Gravel (#8 or ASTM equivalent) or Amended soils and dense turf Cover Undisturbed soils and native cover or landscaped with Sections 6.1 and vegetation herbaceous cover, shrubs, and 6.2) maximum). trees Permeable 40% excavated soil, 40% sand, and 20% pea gravel to serve as the media for the 1% to 4% Slope — Minimum 35 berm. 0.5% to 3% Slope — Minimum 35 ft ft. width Overall Slope and width 4% to 6% Slope — Minimum 50 ft. Width (perpendicular 3% to 6% Slope — Minimum 50 ft width to the flow) width 6% to 8% Slope — Minimum 65 ft. Section 5) The first 10 ft. of filter must be 2% or width Level less in all cases 2 The first 10 ft. of filter must be 2% permanent reinforcing). OwQ or less in all cases Sheet Flow Maximum flow length of 150 ft. from adjacent pervious areas; Section 5 Maximum flow length of 75 ft. from adjacent impervious areas Matting Length of ELS Lip = 13 lin. ft. per LU If existing topsoil is inadequate to support dense turf growth, imported top soil each 1 cfs of inflow if area has 90% loamy sand or sandy loam texture), with less than 5% clay content, corrected pH Concentrated Flow Cover 3 Length of ELS 6 Lip = 13 lin.ft. per Section 6.3) Length = 40 lin. ft. per 1 cfs for each 1 cfs of inflow (13 lin.ft. min; 4 forested or re -forested Areas 130 Ini.ft. max.) U.S. Composting Seal of Testing Assurance (STA) program, as outlined in ELS 6 length = 13 lin.ft. min; 130 Stormwater Design Specification No. 4. lin.ft. max. Construction Stage Located outside the limits of Prevent soil compaction by heavy Section 8) disturbance and protected by ESC equipment controls Treat small areas of IC (e.g., Typical Applications Adjacent to stream or wetland buffer 5,000 sf) and/or turf -intensive land Section 5) or forest conservation area uses (sports fields, golf courses) close to source Compost Amendments No Yes (B, C, and D soils) 5 Section 6.1 Boundary Spreader 6 GD at top of filter GD at top of filter 6Section6.3) PB at toe of filter A minimum of 1 % is recommended to ensure positive drainage. 2 For Conservation Areas with a varying slope, a pro -rated length may be computed only if the first 10 ft. is 2% or less. 3 Vegetative Cover is described in Section 6.2. 4 Where the Conserved Open Space is a mixture of native grasses, herbaceous cover and forest or re -forested area), the length of the ELS 6 Lip can be established by computing a weighted average of the lengths required for each vegetation type. Refer to Section 6.3 for design criteria 5 The plan approving authority may waive the requirement for compost amended soils for filter strips on B soils under certain conditions (see Section 6.1). 6 ELS = Engineered Level Spreader; GD = Gravel Diaphragm; PB = Permeable Berm. Version 1.9, March 1, 2011 6.4. Filter Design Material Specifications Page 3 of 20 Table 2.3 describes materials specifications for the primary treatment within filter strips. Table 2.3. Vegetated Filter Strip Materials Specifications Material Specification Quantity Un Pea Gravel (#8 or ASTM equivalent) or Diaphragm should be 2 feet wide, 1 Gravel where steep (6% +) use clean bank -run foot deep, and at least 3 inches Diaphragm VDOT #57 or ASTM equivalent (1 -inch below the edge of pavement. Hmaximum). Permeable 40% excavated soil, 40% sand, and 20% pea gravel to serve as the media for the Berm berm. LL' Needled, non -woven, polypropylene geotextile meeting the following U specifications: Grab Tensile Strength (ASTM D4632): > 120 lbs. Geotextile Mullen Burst Strength (ASTM D3786): > 225 lbs./sq. in. Flow Rate (ASTM D4491): > 125 gpm/sq. ft. LU Apparent Opening Size (ASTM D4751): US #70 or #80 sieve Engineered Level Spreader lip should be concrete, metal, timber, or other rigid material; Level Reinforced channel on upstream of lip: VDOT EC -2 (or EC -3 if velocities require Spreader permanent reinforcing). OwQ See Hathaway and Hunt 2006 or Henrico County Program Manual. Erosion Control Where flow velocities dictate, use woven biodegradable erosion control fabric or Fabric or mats that are durable enough to last at least 2 growing seasons. (e.g., VDOT Matting Erosion Control matting EC -2). LU If existing topsoil is inadequate to support dense turf growth, imported top soil loamy sand or sandy loam texture), with less than 5% clay content, corrected pH Topsoil at 6 to 7, a soluble salt content not exceeding 500 ppm, and an organic matter content of at least 2% shall be used. Topsoil shall be uniformly distributed and lightly compacted to a minimum depth of 6 to 8 inches Compost shall be derived from plant material and provided by a member of the Compost U.S. Composting Seal of Testing Assurance (STA) program, as outlined in Stormwater Design Specification No. 4. Version 1.9, March 1, 2011 L Page 15 of 20 SECTION 8: CONSTRUCTION 8.1. Construction Sequence for Conserved Open Space Areas The Conserved Open Space must be fully protected during the construction stage of development and kept outside the limits of disturbance on the Erosion and Sediment (E&S) Control Plan. No clearing, grading or heavy equipment access is allowed except temporary disturbances associated with incidental utility construction, restoration operations or management of nuisance vegetation. The perimeter of the Conserved Open Space shall be protected by super silt fence, chain link fence, orange safety fence, or other measures to prevent sediment discharge. The limits of disturbance should be clearly shown on all construction drawings and identified and protected in the field by acceptable signage, silt fence, snow fence or other protective barrier. Version 1.9, March 1, 2011 VA DEQ STORMWATER DESIGN SPECIFICATION NO. 2 Page 16 of 20 SHEET FLOW TO FILTER OR OPEN SPACE SECTION 9. MAINTENANCE 9.1. Maintenance Agreements Section 4 VAC 50-60-124 of the regulations specifies the circumstances under which a maintenance agreement must be executed between the owner and the local program. This section sets forth inspection requirements, compliance procedures if maintenance is neglected, notification of the local program upon transfer of ownership, and right -of -entry for local program personnel. All Vegetated Filter Strips must be covered by a drainage easement to allow inspection and maintenance. If the filter area is a natural Conserved Open Space, it must be protected by a perpetual easement or deed restriction that assigns the responsible party to ensure that no future development, disturbance or clearing may occur within the area, except as stipulated in the vegetation maintenance plan. If the Vegetated Filter Strip is located on a residential private lot, the existence and purpose of the Filter Strip shall be noted on the deed of record. Homeowners will need to be provided a simple document that explains the purpose of the Filter Strip and routine maintenance needs. A deed restriction or other mechanism enforceable by the qualifying local program must be in place to help ensure that Filter Strips are maintained and Conserved Open Space Areas are not converted or disturbed. The mechanism should, if possible, grant authority for local agencies to access the property for inspection or corrective action. 9.2. Maintenance Inspections Annual inspections are used to trigger maintenance operations such as sediment removal, spot re - vegetation and level spreader repair. Ideally, inspections should be conducted in the non -growing season when it easier to see the flow path. Example maintenance inspection checklists for Sheet Flow to a Filter Strip or Conserved Open Space areas can be accessed in Appendix C of Chapter 9 of the Virginia Stormwater Management Handbook or at the Center for Watershed Protection's website at: htti)://www.cwi).org/Resource Library/Controlling Runoff and Discharges/sm.htm scroll to Tool6: Plan Review, BMP Construction, and Maintenance Checklists) Inspectors should check to ensure that: Flows through the Filter Strip do not short-circuit the overflow control section; Debris and sediment does not build up at the top of the Filter Strip; Foot or vehicular traffic does not compromise the gravel diaphragm; Scour and erosion do not occur within the Filter Strip; Sediments are cleaned out of Level Spreader forebays and flow splitters; and Vegetative density exceeds a 90% cover in the boundary zone or grass filter. Version 1.9, March 1, 2011 VA DEQ STORMWATER DESIGN SPECIFICATION NO. 2 9.3. Ongoing Maintenance Page 18 of 20 SHEET FLOW TO FILTER OR OPEN SPACE Once established, Vegetated Filter Strips have minimal maintenance needs outside of the spring clean up, regular mowing, repair of check dams and other measures to maintain the hydraulic efficiency of the strip and a dense, healthy grass cover. Vegetated Filter Strips that consist of grass/turf cover should be mowed at least twice a year to prevent woody growth. BMP NOTES THE INFORMATION ON THIS SHEET IS DERIVED FROM THE VIRGINIA DEQ SPECIFICATION (NO. 2) FOR CONSERVED OPEN SPACE AND VEGETATED FILTER STRIPS. CONTRACTOR SHOULD BE FAMILIAR WITH ALL INFORMATION ASSOCIATED WITH THE SPECIFICATION. CONSERVED OPEN SPACE 1. PERIMETER OF CONSERVED OPEN SPACE SHOULD BE PROTECTED BY ACCEPTABLE SIGNAGE, SUPER SILT FENCE, SNOW FENCE, CHAIN LINK FENCE, ORANGE SAFETY FENCE OR OTHER COMPARABLE METHODS 2. NOTE THAT NO CLEARING, GRADING OR HEAVY EQUIPMENT ACCESS IS ALLOWED EXCEPT FOR TEMPORARY DISTURBANCES ASSOCIATED WITH INCIDENTAL UTILITY CONSTRUCTION, RESTORATION OPERATIONS OR MANAGEMENT OF NUISANCE VEGETATION 3. NOTE THAT (1) CONSTRUCTION OF THE GRAVEL DIAPHRAGM SHALL NOT COMMENCE UNTIL THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED AND PERIMETER E&S CONTROLS HAVE BEEN REMOVED AND CLEANED OUT; AND (2) STORMWATER SHOULD NO - BE DIVERTED INTO THE FILTER AREA UNTIL THE GRAVEL DIAPHRAGM AND/OR LEVEL SPREADER ARE INSTALLED AND STABILIZED. 4. NOTE THAT ANY LIGHT GRADING NECESSARY AT THE FILTER AREA BOUNDARY MUST BE DONE WITH TRACKED VEHICLES TO PREVENT COMPACTION VEGETATED FILTER STRIPS 1. NOTE THAT ONLY VEHICULAR TRAFFIC NECESSARY FOF THE FILTER STRIP CONSTRUCTION SHOULD BE ALLOWED WITHIN 10 FEET OF THE FILTER STRIP BOUNDARY 2. NOTE THAT IF EXISTING TOPSOIL IS STRIPPED DURING GRADING, IT SHALL BE STOCKPILED AND STABILIZED FOR LATER USE 3. NOTE THAT CONSTRUCTION RUNOFF SHALL BE DIRECTED AWAY FROM THE PROPOSED FILTER STRIP AREA, USING PERIMETER SILT FENCE OR, PREFERABLY A DIVERSION DIKE. 4. NOTE THAT CONSTRUCTION OF THE GRAVEL DIAPHRAGM SHALL NOT COMMENCE UNTIL THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED AND PERIMETER E&S CONTROLS HAVE BEEN REMOVED AND CLEANED OUT; AND (2) STORMWATER SHOULD NO - BE DIVERTED INTO THE FILTER AREA UNTIL THE GRAVEL DIAPHRAGM AND/OR LEVEL SPREADER ARE INSTALLED AND STABILIZED AND UNTIL THE TURF COVER IS DENSE AND WELL-ESTABLISHED. 5. NOTE THAT AMENDED SOILS SHOULD BE HAND -RAKED TO THE MOST LEVEL SLOPE WITHOUT USING HEAVY EQUIPMENT, BUT THAT ANY LIGHT GRADING NECESSARY TO ACHIEVE DESIRED ELEVATIONS AND SLOPES MUST BE DONE WITH TRACKED VEHICLES TO PREVENT COMPACTION. 6. NOTE THAT COMPOST AMENDMENTS AND/OR TOPSOIL SHALL BE INCORPORATED EVENLY ACROSS THE FILTER STRIP AREA, STABILIZED WITH SEED, AND, IF SLOPES EXCEED 3%, PROTECTED BY BIODEGRADABLE E&S CONTROL MATTING OR BLANKETS (EC -2). TH O G1 ZONAL 0M E M o N N 9__ o E UJ E LUHQ o L LL L w O 0 l!J L M a J U cowJ — n U UJ N XO C12W LL C) U-) _ N U >ko C 0')O N L Q M a GO J CD LU U) O D D O 0 w LU U z O U) O Z 0 P O a U Ln LU Z O LU w O U w a W L o o DATE 03/02/18 DRAWN BY J. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE W n Un z 1..1 O H O Q U U I-, LL LL' Q U J LU O O LU v) J Q p z OwQm J OQ r )^ V LU O z HMS W CC G JOB NO SHEET NO. C406 Section 6. Pollution Prevention Plan. reference County Code 17-404 and State Regulation 9VAC25-880-70 part II section A.4) A. Plan showing pollution activities and prevention practices Provide a reduced 11x17 copy of a site plan on which all of the following activity locations are clearly marked. Keep this plan up-to-date with ongoing site changes and inspections.) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County y' • i i `" Il' f9 rte NOW ii ` ,. — / . y.1 )V''.:e f i 1 \r 1 j .'71f% • • ' Zoo J 1 - r_'1 a PROPERTY LINE (R/W) l' `-1- .' l far i/ - L../-: \.. . w ' f. .,: - :J:.?: / i . 1. Z'... I„ % dY {y..r1. + Ir r ij,//„ l , N 1 i. ,r ,moi / •` a _' Q _ v _._'" 1'``tf ni ,'+. / 1 rt I ~ i o. :,:: ' 1 ' b L, ,[moi Qi'; -_, 7 i.• - \:..a. `Lulu C— P °.• .% _ \ qe Mo ar may\ q . / /. r \ \ _ ..::- - i i a `% allamr= till, a' I lam* ,..-/: _, _ \ \. \- Wil'# , 1o < E rr t V3 rid L_ OVERALL E&S PLAN NOTES: 1. THIS SHEET IS TO BE MARKED UP BY THE CONTRACTOR AS CONSTRUCTION PROGRESSES. TO SHOW THE LOCATION OF POLLUTION PREVENTION MEASURES Nr.. SCALE 1"=300' 0 300' 600' M E O 0V N N E N E W L6U.0 Lu O c`o J. _j U oo Z w — in O cn a(AoN a C7 W v Mz X3: o U C N L W o oa U-) 2N Z OHU cLr) OM ul M Z 00 J CD Lu D H CL O O D D W O 00 o Lu Lu p w oZ: 0 DATEn 0 03/02/18 DRAWN BY J. WILSON DESIGNED BY C. PENNETTI CHECKED BY C. PENNETTI SCALE w L z D O z U O_ LL Z LuO= O > D Lu LU J cl Q Ow J 0<0 0 J J 0 W JOB NO. 40490 SHEET NO. PPP O O 3 c B. Sources of Pollutants, to and urevention tices 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. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Pollutant, or Pollutant Location on site Prevention Practices, Generating Activity Control Measures Waste collection area will not receive a substantial amount of runoff from upland areas and does not drain directly to a 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 Minimization of exposure to precipitation and stormwater. Minimize the exposure of building materials, building products, construction wastes, trash, landscape materials, fertilizers, pesticides, herbicides, detergents, sanitary waste, and other materials present on the site to precipitation and to stormwater. Identify all non-stormwater discharges to occur on your site. Keep this plan up-to-date with ongoing site changes and inspections. See CGP, 9VAC25-880-70 section E for examples of non-stormwater discharges.) D. Non-stormwater dis Discharge Dust Control Water Pollutants or Pollutant Constituents Sediment Location on Site As required inside LOD Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County E. Persons responsible for pollution prevention practices Provide the names and contact information for all persons responsible for prevention practices as listed above.) F. Response and reporting practices Minimize discharges from spills and leaks. Minimize the discharge of pollutants from spills and leaks and implement chemical spill and leak prevention and response procedures as follows. Respond to all spills, leaks and discharges as follows; Materials and equipment necessary for oil or chemical spill cleanup will be kept in the temporary material storage trailers onsite. Equipment will include, but not be limited to, brooms, dustpans, mops, rags, gloves, goggles, kitty litter, sand, saw dust, and plastic and metal trash containers. All oil or other chemical spills will be cleaned up immediately upon discovery. Identify and stop source of discharge. Use absorptive materials to soak up as much chemical as possible. Place all contaminated material in trash containers for disposal. Report all spills, leaks and discharges as follows; Reports will be made to the following: Virginia Department of Emergency Management Emergency Operations Center (EOC) Phone: (800) 468-8892 Spills large enough to reach the storm sewers will be reported to the National Response Center at 1-800-424-8802. Provide detailed response and reporting practices according to 9VAC25-880-70, Part II, section A.4.e.) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County G. Pollution Prevention Awareness Describe training and procedures to provide awareness and compliance for all measures in this document; waste management, wash waters, prevention measures, etc.) The registered land disturber shall oversee all construction activities to implement and maintain pollution prevention measures. As such training and procedures shall be provided by the contractor for each worker on site before they begin land disturbing activities. Pollution Prevention Training shall include but is not limited to; Training on the proper storage and handling of hazardous solvent and chemicals, per the manufacturers recommendation. Training on proper fuel storage and the use of fuel containment facilities located on site. Training on the proper way to handle concrete/mortar washout areas, and the disposal of the waste water from these activities. Additionally training shall be provided on the proper way to dispose of all debris related to the construction activity (hazardous and non -hazardous materials). This list should not be deemed all-inclusive and if the contractor or registered land disturber deems that additional pollution prevention practices are required training shall be provided for them. Training on implementation of erosion and sediment control devices/procedures must be provided by registered land disturber each time a new E&SC procedure is constructed. Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 7. Discharges to impaired waters, surface waters within an applicable TMDL wasteload allocation, and exceptional waters. Provide detailed measures for any applicable TMDL) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 8. Qualified personnel The following personnel are responsible for inspections; Provide the name, telephone number, and qualifications of the qualified personnel conducting inspections.) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 9. Signed Certification Provide certification according to 9VAC25-870-370. For purposes of plan review and approvals, this certification should be the owner of the property, the same signature as appears on the bonds and applications. Another operator can be designated on the delegation of authority form to follow.) CERTIFICATION I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system 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: Chirs Schooley Company: The University of Virginia Foundation Title Signature: Date: Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 10. Delegation of authority. Provide the persons or positions with authority to sign inspection reports or to modify the stormwater pollution prevention plan. A formal, signed delegation of authority is needed.) Delegation of Authority I, (name), hereby designate the person or specifically described position below to be a duly authorized representative for the purpose of overseeing compliance with environmental requirements, including the Construction General Permit, at the construction site. The designee is authorized to sign any reports, stormwater pollution prevention plans and all other documents required by the permit. name of person or position) company) address) city, state, zip) phone) By signing this authorization, I confirm that I meet the requirements to make such a designation as set forth in the Construction General Permit (CGP), and that the designee above meets the definition of a "duly authorized representative". Operator Name: Company: Title: Signature: Date: Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 11. General permit copy Provide a copy of the construction general permit, 9VAC25-880) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County COMMONWEALTH of VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY General Permit No.: VAR10 Effective Date: July 1, 2014 Expiration Date: June 30, 2019 GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM CONSTRUCTION ACTIVITIES AUTHORIZATION TO DISCHARGE UNDER THE VIRGINIA STORMWATER MANAGEMENT PROGRAM AND THE VIRGINIA STORMWATER MANAGEMENT ACT In compliance with the provisions of the Clean Water Act, as amended, and pursuant to the Virginia Stormwater Management Act and regulations adopted pursuant thereto, operators of construction activities are authorized to discharge to surface waters within the boundaries of the Commonwealth of Virginia, except those specifically named in State Water Control Board regulations that prohibit such discharges. The authorized discharge shall be in accordance with this cover page, Part I - Discharge Authorization and Special Conditions, Part 11 - Stormwater Pollution Prevention Plan, and Part III - Conditions Applicable to All VPDES Permits as set forth herein. General Permit No.: VAR10 Page 1 of 21 PART DISCHARGE AUTHORIZATION AND SPECIAL CONDITIONS A. Coverage under this general permit. 1. During the period beginning with the date of coverage under this general permit and lasting until the general permit's expiration date, the operator is authorized to discharge stormwater from construction activities. 2. This general permit also authorizes stormwater discharges from support activities (e.g., concrete or asphalt batch plants, equipment staging yards, material storage areas, excavated material disposal areas, borrow areas) located on-site or off-site provided that: a. The support activity is directly related to the construction activity that is required to have general permit coverage for discharges of stormwater from construction activities; The support activity is not a commercial operation, nor does it serve multiple unrelated construction activities by different operators; The support activity does not operate beyond the completion of the last construction activity it supports; The support activity is identified in the registration statement at the time of general permit coverage; e. Appropriate control measures are identified in a stormwater pollution prevention plan and implemented to address the discharges from the support activity areas; and f. All applicable state, federal, and local approvals are obtained for the support activity. B. Limitations on coverage 1. Post -construction discharges. This general permit does not authorize stormwater discharges that originate from the site after construction activities have been completed and the site, including any support activity sites covered under the general permit registration, has undergone final stabilization. Post -construction industrial stormwater discharges may need to be covered by a separate VPDES permit. 2. Discharges mixed with nonstormwater. This general permit does not authorize discharges that are mixed with sources of nonstormwater, other than those discharges that are identified in Part I E Authorized nonstormwater discharges) and are in compliance with this general permit. 3. Discharges covered by another state permit. This general permit does not authorize discharges of stormwater from construction activities that have been covered under an individual permit or required to obtain coverage under an alternative general permit. 4. Impaired waters and TMDL limitation. Discharges of stormwater from construction activities to surface waters identified as impaired in the 2012 § 305(b)/303(d) Water Quality Assessment Integrated Report or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit for (i) sediment or a sediment -related parameter (i.e., total suspended solids or turbidity) or (ii) nutrients (i.e., nitrogen or phosphorus) are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a SWPPP that minimizes the pollutants of concern and, when applicable, is consistent with the assumptions and requirements of the approved TMDL wasteload allocations. In addition, the operator shall implement the following items: General Permit No.: VAR10 Page 2 of 21 a. The impaired water(s), approved TMDL(s), and pollutant(s) of concern, when applicable, shall be identified in the SWPPP; b. Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; c. Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and d. The applicable SWPPP inspection requirements specified in Part II F 2 shall be amended as follows: 1) Inspections shall be conducted at a frequency of (i) at least once every four business days or ii) at least once every five business days and no later than 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted on the next business day; and 2) Representative inspections used by utility line installation, pipeline construction, or other similar linear construction activities shall inspect all outfalls discharging to surface waters identified as impaired or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit. 5. Exceptional waters limitation. Discharges of stormwater from construction activities not previously covered under the general permit issued in 2009 to exceptional waters identified in 9VAC25-260-30 A 3 c are not eligible for coverage under this general permit unless the operator implements the following: a. The exceptional water(s) shall be identified in the SWPPP; b. Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; c. Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and d. The applicable SWPPP inspection requirements specified in Part II F 2 shall be amended as follows: 1) Inspections shall be conducted at a frequency of (i) at least once every four business days or ii) at least once every five business days and no later than 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted on the next business day; and 2) Representative inspections used by utility line installation, pipeline construction, or other similar linear construction activities shall inspect all outfalls discharging to exceptional waters. 6. There shall be no discharge of floating solids or visible foam in other than trace amounts. C. Commingled discharges. Discharges authorized by this general permit may be commingled with other sources of stormwater that are not required to be covered under a state permit, so long as the commingled discharge is in compliance with this general permit. Discharges authorized by a separate state or VPDES permit may be commingled with discharges authorized by this general permit so long as all such discharges comply with all applicable state and VPDES permit requirements. General Permit No.: VAR10 Page 3 of 21 D. Prohibition of nonstormwater discharges. Except as provided in Parts I A 2, 1 C, and I E, all discharges covered by this general permit shall be composed entirely of stormwater associated with construction activities. All other discharges including the following are prohibited: 1. Wastewater from washout of concrete; 2. Wastewater from the washout and cleanout of stucco, paint, form release oils, curing compounds, and other construction materials; 3. Fuels, oils, or other pollutants used in vehicle and equipment operation and maintenance; 4. Oils, toxic substances, or hazardous substances from spills or other releases; and 5. Soaps, solvents, or detergents used in equipment and vehicle washing. E. Authorized nonstormwater discharges. The following nonstormwater discharges from construction activities are authorized by this general permit when discharged in compliance with this general permit: 1. Discharges from firefighting activities; 2. Fire hydrant flushings; 3. Waters used to wash vehicles or equipment where soaps, solvents, or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge; 4. Water used to control dust that has been filtered, settled, or similarly treated prior to discharge; 5. Potable water sources, including uncontaminated waterline flushings; 6. Routine external building wash down where soaps, solvents or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge; 7. Pavement wash waters where spills or leaks of toxic or hazardous materials have not occurred (or where all spilled or leaked material has been removed prior to washing); where soaps, solvents, or detergents have not been used; and where the wash water has been filtered, settled, or similarly treated prior to discharge; 8. Uncontaminated air conditioning or compressor condensate; 9. Uncontaminated ground water or spring water; 10. Foundation or footing drains where flows are not contaminated with process materials such as solvents; 11. Uncontaminated excavation dewatering, including dewatering of trenches and excavations that have been filtered, settled, or similarly treated prior to discharge; and 12. Landscape irrigation. F. Termination of general permit coverage. 1. The operator of the construction activity shall submit a notice of termination in accordance with 9VAC25-880-60 to the VSMP authority after one or more of the following conditions have been met: General Permit No.: VAR10 Page 4 of 21 a. Necessary permanent control measures included in the SWPPP for the site are in place and functioning effectively and final stabilization has been achieved on all portions of the site for which the operator is responsible. When applicable, long term responsibility and maintenance requirements shall be recorded in the local land records prior to the submission of a notice of termination; b. Another operator has assumed control over all areas of the site that have not been finally stabilized and obtained coverage for the ongoing discharge; c. Coverage under an alternative VPDES or state permit has been obtained; or d. For residential construction only, temporary soil stabilization has been completed and the residence has been transferred to the homeowner. 2. The notice of termination should be submitted no later than 30 days after one of the above conditions in subdivision 1 of this subsection is met. Authorization to discharge terminates at midnight on the date that the notice of termination is submitted for the conditions set forth in subdivisions 1 b through 1 d of this subsection. Termination of authorizations to discharge for the conditions set forth in subdivision 1 a of this subsection shall be effective upon notification from the department that the provisions of subdivision 1 a of this subsection have been met or 60 days after submittal of the notice of termination, whichever occurs first. 3. The notice of termination shall be signed in accordance with Part III K of this general permit. G. Water quality protection. 1. The operator must select, install, implement and maintain control measures as identified in the SWPPP at the construction site that minimize pollutants in the discharge as necessary to ensure that the operator's discharge does not cause or contribute to an excursion above any applicable water quality standard. 2. If it is determined by the department that the operator's discharges are causing, have reasonable potential to cause, or are contributing to an excursion above any applicable water quality standard, the department, in consultation with the VSMP authority, may take appropriate enforcement action and require the operator to: a. Modify or implement additional control measures in accordance with Part II B to adequately address the identified water quality concerns; b. Submit valid and verifiable data and information that are representative of ambient conditions and indicate that the receiving water is attaining water quality standards; or c. Submit an individual permit application in accordance with 9VAC25-870-410 B 3. All written responses required under this chapter must include a signed certification consistent with Part III K. General Permit No.: VAR10 Page 5 of 21 PART II STORMWATER POLLUTION PREVENTION PLAN A stormwater pollution prevention plan (SWPPP) shall be developed prior to the submission of a registration statement and implemented for the construction activity, including any support activity, covered by this general permit. SWPPPs shall be prepared in accordance with good engineering practices. Construction activities that are part of a larger common plan of development or sale and disturb less than one acre may utilize a SWPPP template provided by the department and need not provide a separate stormwater management plan if one has been prepared and implemented for the larger common plan of development or sale. The SWPPP requirements of this general permit may be fulfilled by incorporating by reference other plans such as a spill prevention control and countermeasure (SPCC) plan developed for the site under § 311 of the federal Clean Water Act or best management practices (BMP) programs otherwise required for the facility provided that the incorporated plan meets or exceeds the SWPPP requirements of Part II A. All plans incorporated by reference into the SWPPP become enforceable under this general permit. If a plan incorporated by reference does not contain all of the required elements of the SWPPP, the operator must develop the missing elements and include them in the SWPPP. Any operator that was authorized to discharge under the general permit issued in 2009, and that intends to continue coverage under this general permit, shall update its stormwater pollution prevention plan to comply with the requirements of this general permit no later than 60 days after the date of coverage under this general permit. A. Stormwater pollution prevention plan contents. The SWPPP shall include the following items: 1. General information. a. A signed copy of the registration statement, if required, for coverage under the general VPDES permit for discharges of stormwater from construction activities; b. Upon receipt, a copy of the notice of coverage under the general VPDES permit for discharges of stormwater from construction activities (i.e., notice of coverage letter); c. Upon receipt, a copy of the general VPDES permit for discharges of stormwater from construction activities; d. A narrative description of the nature of the construction activity, including the function of the project (e.g., low density residential, shopping mall, highway, etc.); e. A legible site plan identifying: 1) Directions of stormwater flow and approximate slopes anticipated after major grading activities; 2) Limits of land disturbance including steep slopes and natural buffers around surface waters that will not be disturbed; 3) Locations of major structural and nonstructural control measures, including sediment basins and traps, perimeter dikes, sediment barriers, and other measures intended to filter, settle, or similarly treat sediment, that will be installed between disturbed areas and the undisturbed vegetated areas in order to increase sediment removal and maximize stormwater infiltration; 4) Locations of surface waters; General Permit No.: VAR10 Page 6 of 21 5) Locations where concentrated stormwater is discharged; 6) Locations of support activities, when applicable and when required by the VSMP authority, including but not limited to (i) areas where equipment and vehicle washing, wheel wash water, and other wash water is to occur; (ii) storage areas for chemicals such as acids, fuels, fertilizers, and other lawn care chemicals; (iii) concrete wash out areas; (iv) vehicle fueling and maintenance areas; (v) sanitary waste facilities, including those temporarily placed on the construction site; and (vi) construction waste storage; and 7) When applicable, the location of the on-site rain gauge or the methodology established in consultation with the VSMP authority used to identify measurable storm events for inspection purposes. 2. Erosion and sediment control plan. a. An erosion and sediment control plan approved by the VESCP authority as authorized under the Erosion and Sediment Control Regulations (9VAC25-840), an "agreement in lieu of a plan" as defined in 9VAC25-840-10 from the VESCP authority, or an erosion and sediment control plan prepared in accordance with annual standards and specifications approved by the department. Any operator proposing a new stormwater discharge from construction activities that is not required to obtain erosion and sediment control plan approval from a VESCP authority or does not adopt department -approved annual standards and specifications shall submit the erosion and sediment control plan to the department for review and approval. b. All erosion and sediment control plans shall include a statement describing the maintenance responsibilities required for the erosion and sediment controls used. c. A properly implemented approved erosion and sediment control plan, "agreement in lieu of a plan," or erosion and sediment control plan prepared in accordance with department -approved annual standards and specifications, adequately: 1) Controls the volume and velocity of stormwater runoff within the site to minimize soil erosion; 2) Controls stormwater discharges, including peak flow rates and total stormwater volume, to minimize erosion at outlets and to minimize downstream channel and stream bank erosion; 3) Minimizes the amount of soil exposed during the construction activity; 4) Minimizes the disturbance of steep slopes; 5) Minimizes sediment discharges from the site in a manner that addresses (i) the amount, frequency, intensity, and duration of precipitation; (ii) the nature of resulting stormwater runoff; and (iii) soil characteristics, including the range of soil particle sizes present on the site; 6) Provides and maintains natural buffers around surface waters, directs stormwater to vegetated areas to increase sediment removal, and maximizes stormwater infiltration, unless infeasible; 7) Minimizes soil compaction and, unless infeasible, preserves topsoil; 8) Ensures that stabilization of disturbed areas will be initiated immediately whenever any clearing, grading, excavating, or other land -disturbing activities have permanently ceased on any portion of the site, or temporarily ceased on any portion of the site and will not resume for a period exceeding 14 days; and General Permit No.: VAR10 Page 7 of 21 9) Utilizes outlet structures that withdraw stormwater from the surface (i.e., above the permanent pool or wet storage water surface elevation), unless infeasible, when discharging from sediment basins or sediment traps. 3. Stormwater management plan. New construction activities. A stormwater management plan approved by the VSMP authority as authorized under the Virginia Stormwater Management Program (VSMP) Regulation (9VAC25- 870), or an "agreement in lieu of a stormwater management plan" as defined in 9VAC25-870-10 from the VSMP authority, or a stormwater management plan prepared in accordance with annual standards and specifications approved by the department. Any operator proposing a new stormwater discharge from construction activities that is not required to obtain stormwater management plan approval from a VSMP authority or does not adopt department -approved annual standards and specifications shall submit the stormwater management plan to the department for review and approval. b. Existing construction activities. Any operator that was authorized to discharge under the general permit issued in 2009, and that intends to continue coverage under this general permit, shall ensure compliance with the requirements of 9VAC25-870-93 through 9VAC25-870-99 of the VSMP Regulation, including but not limited to the water quality and quantity requirements. The SWPPP shall include a description of, and all necessary calculations supporting, all post - construction stormwater management measures that will be installed prior to the completion of the construction process to control pollutants in stormwater discharges after construction operations have been completed. Structural measures should be placed on upland soils to the degree possible. Such measures must be designed and installed in accordance with applicable VESCP authority, VSMP authority, state, and federal requirements, and any necessary permits must be obtained. 4. Pollution prevention plan. A pollution prevention plan that addresses potential pollutant -generating activities that may reasonably be expected to affect the quality of stormwater discharges from the construction activity, including any support activity. The pollution prevention plan shall: a. Identify the potential pollutant -generating activities and the pollutant that is expected to be exposed to stormwater; b. Describe the location where the potential pollutant -generating activities will occur, or if identified on the site plan, reference the site plan; Identify all nonstormwater discharges, as authorized in Part I E of this general permit, that are or will be commingled with stormwater discharges from the construction activity, including any applicable support activity; d. Identify the person responsible for implementing the pollution prevention practice or practices for each pollutant -generating activity (if other than the person listed as the qualified personnel); e. Describe the pollution prevention practices and procedures that will be implemented to: 1) Prevent and respond to leaks, spills, and other releases including (i) procedures for expeditiously stopping, containing, and cleaning up spills, leaks, and other releases; and (ii) procedures for reporting leaks, spills, and other releases in accordance with Part III G; 2) Prevent the discharge of spilled and leaked fuels and chemicals from vehicle fueling and maintenance activities (e.g., providing secondary containment such as spill berms, decks, spill containment pallets, providing cover where appropriate, and having spill kits readily available); General Permit No.: VAR10 Page 8 of 21 3) Prevent the discharge of soaps, solvents, detergents, and wash water from construction materials, including the clean-up of stucco, paint, form release oils, and curing compounds e.g., providing (i) cover (e.g., plastic sheeting or temporary roofs) to prevent contact with stormwater; (ii) collection and proper disposal in a manner to prevent contact with stormwater; and (iii) a similarly effective means designed to prevent discharge of these pollutants); 4) Minimize the discharge of pollutants from vehicle and equipment washing, wheel wash water, and other types of washing (e.g., locating activities away from surface waters and stormwater inlets or conveyance and directing wash waters to sediment basins or traps, using filtration devices such as filter bags or sand filters, or using similarly effective controls); 5) Direct concrete wash water into a leak -proof container or leak -proof settling basin. The container or basin shall be designed so that no overflows can occur due to inadequate sizing or precipitation. Hardened concrete wastes shall be removed and disposed of in a manner consistent with the handling of other construction wastes. Liquid concrete wastes shall be removed and disposed of in a manner consistent with the handling of other construction wash waters and shall not be discharged to surface waters; 6) Minimize the discharge of pollutants from storage, handling, and disposal of construction products, materials, and wastes including (i) building products such as asphalt sealants, copper flashing, roofing materials, adhesives, and concrete admixtures; (ii) pesticides, herbicides, insecticides, fertilizers, and landscape materials; and (iii) construction and domestic wastes such as packaging materials, scrap construction materials, masonry products, timber, pipe and electrical cuttings, plastics, Styrofoam, concrete, and other trash or building materials; 7) Prevent the discharge of fuels, oils, and other petroleum products, hazardous or toxic wastes, and sanitary wastes; and 8) Address any other discharge from the potential pollutant -generating activities not addressed above; and f. Describe procedures for providing pollution prevention awareness of all applicable wastes, including any wash water, disposal practices, and applicable disposal locations of such wastes, to personnel in order to comply with the conditions of this general permit. The operator shall implement the procedures described in the SWPPP. 5. SWPPP requirements for discharges to impaired waters, surface waters with an applicable TMDL wasteload allocation established and approved prior to the term of this general permit, and exceptional waters. The SWPPP shall: a. Identify the impaired water(s), approved TMDL(s), pollutant(s) of concern, and exceptional waters identified in 9VAC25-260-30 A 3 c, when applicable; b. Provide clear direction that: 1) Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; 2) Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and 3) A modified inspection schedule shall be implemented in accordance with Part I B 4 or Part I B 5. General Permit No.: VAR10 Page 9 of 21 6. Qualified personnel. The name, phone number, and qualifications of the qualified personnel conducting inspections required by this general permit. 7. Delegation of authority. The individuals or positions with delegated authority, in accordance with Part III K, to sign inspection reports or modify the SWPPP. 8. SWPPP signature. The SWPPP shall be signed and dated in accordance with Part III K. B. SWPPP amendments, modification, and updates. 1. The operator shall amend the SWPPP whenever there is a change in the design, construction, operation, or maintenance that has a significant effect on the discharge of pollutants to surface waters and that has not been previously addressed in the SWPPP. 2. The SWPPP must be amended if, during inspections or investigations by the operator's qualified personnel, or by local, state, or federal officials, it is determined that the existing control measures are ineffective in minimizing pollutants in discharges from the construction activity. Revisions to the SWPPP shall include additional or modified control measures designed and implemented to correct problems identified. If approval by the VESCP authority, VSMP authority, or department is necessary for the control measure, revisions to the SWPPP shall be completed no later than seven calendar days following approval. Implementation of these additional or modified control measures must be accomplished as described in Part II G. 3. The SWPPP must clearly identify the contractor(s) that will implement and maintain each control measure identified in the SWPPP. The SWPPP shall be amended to identify any new contractor that will implement and maintain a control measure. 4. The operator shall update the SWPPP no later than seven days following any modification to its implementation. All modifications or updates to the SWPPP shall be noted and shall include the following items: a. A record of dates when: 1) Major grading activities occur; 2) Construction activities temporarily or permanently cease on a portion of the site; and 3) Stabilization measures are initiated; b. Documentation of replaced or modified controls where periodic inspections or other information have indicated that the controls have been used inappropriately or incorrectly and where modified as soon as possible; c. Areas that have reached final stabilization and where no further SWPPP or inspection requirements apply; d. All properties that are no longer under the legal control of the operator and the dates on which the operator no longer had legal control over each property; e. The date of any prohibited discharges, the discharge volume released, and what actions were taken to minimize the impact of the release; f. Measures taken to prevent the reoccurrence of any prohibited discharge; and g. Measures taken to address any evidence identified as a result of an inspection required under Part 11 F. General Permit No.: VAR10 Page 10 of 21 5. Amendments, modifications, or updates to the SWPPP shall be signed in accordance with Part III K C. Public Notification. Upon commencement of land disturbance, the operator shall post conspicuously a copy of the notice of coverage letter near the main entrance of the construction activity. For linear projects, the operator shall post the notice of coverage letter at a publicly accessible location near an active part of the construction project (e.g., where a pipeline crosses a public road). The operator shall maintain the posted information until termination of general permit coverage as specified in Part I F. D. SWPPP availability. 1. Operators with day-to-day operational control over SWPPP implementation shall have a copy of the SWPPP available at a central location on-site for use by those identified as having responsibilities under the SWPPP whenever they are on the construction site. 2. The operator shall make the SWPPP and all amendments, modifications, and updates available upon request to the department, the VSMP authority, the EPA, the VESCP authority, local government officials, or the operator of a municipal separate storm sewer system receiving discharges from the construction activity. If an on-site location is unavailable to store the SWPPP when no personnel are present, notice of the SWPPP's location must be posted near the main entrance of the construction site. 3. The operator shall make the SWPPP available for public review in an electronic format or in hard copy. Information for public access to the SWPPP shall be posted and maintained in accordance with Part II C. If not provided electronically, public access to the SWPPP may be arranged upon request at a time and at a publicly accessible location convenient to the operator or his designee but shall be no less than once per month and shall be during normal business hours. Information not required to be contained within the SWPPP by this general permit is not required to be released. E. SWPPP implementation. The operator shall implement the SWPPP and subsequent amendments, modifications, and updates from commencement of land disturbance until termination of general permit coverage as specified in Part I F. 1. All control measures must be properly maintained in effective operating condition in accordance with good engineering practices and, where applicable, manufacturer specifications. If a site inspection required by Part II F identifies a control measure that is not operating effectively, corrective action(s) shall be completed as soon as practicable, but no later than seven days after discovery or a longer period as established by the VSMP authority, to maintain the continued effectiveness of the control measures. 2. If site inspections required by Part II F identify an existing control measure that needs to be modified or if an additional control measure is necessary for any reason, implementation shall be completed prior to the next anticipated measurable storm event. If implementation prior to the next anticipated measurable storm event is impracticable, then alternative control measures shall be implemented as soon as practicable, but no later than seven days after discovery or a longer period as established by the VSMP authority. F. SWPPP Inspections. 1. Personnel responsible for on-site and off-site inspections. Inspections required by this general permit shall be conducted by the qualified personnel identified by the operator in the SWPPP. The operator is responsible for insuring that the qualified personnel conduct the inspection. 2. Inspection schedule. a. Inspections shall be conducted at a frequency of: General Permit No.: VAR10 Page 11 of 21 1) At least once every five business days; or 2) At least once every 10 business days and no later than 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted no later than the next business day. b. Where areas have been temporarily stabilized or land -disturbing activities will be suspended due to continuous frozen ground conditions and stormwater discharges are unlikely, the inspection frequency may be reduced to once per month. If weather conditions (such as above freezing temperatures or rain or snow events) make discharges likely, the operator shall immediately resume the regular inspection frequency. c. Representative inspections may be utilized for utility line installation, pipeline construction, or other similar linear construction activities provided that: 1) Temporary or permanent soil stabilization has been installed and vehicle access may compromise the temporary or permanent soil stabilization and potentially cause additional land disturbance increasing the potential for erosion; 2) Inspections occur on the same frequency as other construction activities; 3) Control measures are inspected along the construction site 0.25 miles above and below each access point (i.e., where a roadway, undisturbed right-of-way, or other similar feature intersects the construction activity and access does not compromise temporary or permanent soil stabilization); and 4) Inspection locations are provided in the report required by Part II F. 3. Inspection requirements. a. As part of the inspection, the qualified personnel shall: 1) Record the date and time of the inspection and when applicable the date and rainfall amount of the last measurable storm event; 2) Record the information and a description of any discharges occurring at the time of the inspection; 3) Record any land -disturbing activities that have occurred outside of the approved erosion and sediment control plan; 4) Inspect the following for installation in accordance 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; General Permit No.: VAR10 Page 12 of 21 d) Cut and fill slopes; e) Sediment basins and traps, sediment barriers, and other measures installed to control sediment discharge from stormwater; f) Temporary or permanent channel, flume, or other slope drain structures installed to convey concentrated runoff down cut and fill slopes; g) Storm inlets that have been made operational to ensure that sediment laden stormwater does not enter without first being filtered or similarly treated; and h) Construction vehicle access routes that intersect or access paved roads for minimizing sediment tracking; 5) Inspect areas that have reached final grade or that will remain dormant for more than 14 days for initiation of stabilization activities; 6) Inspect areas that have reached final grade or that will remain dormant for more than 14 days for completion of stabilization activities within seven days of reaching grade or stopping work; 7) Inspect for evidence that the approved erosion and sediment control plan, "agreement in lieu of a plan," or erosion and sediment control plan prepared in accordance with department - approved annual standards and specifications has not been properly implemented. This includes but is not limited to: a) Concentrated flows of stormwater in conveyances such as rills, rivulets or channels that have not been filtered, settled, or similarly treated prior to discharge, or evidence thereof; b) Sediment laden or turbid flows of stormwater that have not been filtered or settled to remove sediments prior to discharge; c) Sediment deposition in areas that drain to unprotected stormwater inlets or catch basins that discharge to surface waters. Inlets and catch basins with failing sediments controls due to improper installation, lack of maintenance, or inadequate design are considered unprotected; d) Sediment deposition on any property (including public and private streets) outside of the construction activity covered by this general permit; e) Required stabilization has not been initiated or completed on portions of the site; f) Sediment basins without adequate wet or dry storage volume or sediment basins that allow the discharge of stormwater from below the surface of the wet storage portion of the basin; g) Sediment traps without adequate wet or dry storage or sediment traps that allow the discharge of stormwater from below the surface of the wet storage portion of the trap; and h) Land disturbance outside of the approved area to be disturbed; 8) Inspect pollutant generating activities identified in the pollution prevention plan for the proper implementation, maintenance and effectiveness of the procedures and practices; 9) Identify any pollutant generating activities not identified in the pollution prevention plan; and General Permit No.: VAR10 Page 13 of 21 10) Identify and document the presence of any evidence of the discharge of pollutants prohibited by this general permit. 4. Inspection report. Each inspection report shall include the following items: a. The date and time of the inspection and when applicable, the date and rainfall amount of the last measurable storm event; b. Summarized findings of the inspection; c. The location(s) of prohibited discharges; d. The location(s) of control measures that require maintenance; e. The location(s) of control measures that failed to operate as designed or proved inadequate or inappropriate for a particular location; f. The location(s) where any evidence identified under Part II F 3 a (7) exists; g. The location(s) where any additional control measure is needed that did not exist at the time of inspection; h. A list of corrective actions required (including any changes to the SWPPP that are necessary) as a result of the inspection or to maintain permit compliance; i. Documentation of any corrective actions required from a previous inspection that have not been implemented; and j. The date and signature of the qualified personnel and the operator or its duly authorized representative. The inspection report and any actions taken in accordance with Part II must be retained by the operator as part of the SWPPP for at least three years from the date that general permit coverage expires or is terminated. The inspection report shall identify any incidents of noncompliance. Where an inspection report does not identify any incidents of noncompliance, the report shall contain a certification that the construction activity is in compliance with the SWPPP and this general permit. The report shall be signed in accordance with Part III K of this general permit. G. Corrective actions. 1. The operator shall implement the corrective action(s) identified as a result of an inspection as soon as practicable but no later than seven days after discovery or a longer period as approved by the VSMP authority. If approval of a corrective action by a regulatory authority (e.g., VSMP authority, VESCP authority, or the department) is necessary, additional control measures shall be implemented to minimize pollutants in stormwater discharges until such approvals can be obtained. 2. The operator may be required to remove accumulated sediment deposits located outside of the construction activity covered by this general permit as soon as practicable in order to minimize environmental impacts. The operator shall notify the VSMP authority and the department as well as obtain all applicable federal, state, and local authorizations, approvals, and permits prior to the removal of sediments accumulated in surface waters including wetlands. General Permit No.: VAR10 Page 14 of 21 PART III CONDITIONS APPLICABLE TO ALL VPDES PERMITS NOTE: Discharge monitoring is not required for this general permit. If the operator chooses to monitor stormwater discharges or control measures, the operator must comply with the requirements of subsections A, B, and C, as appropriate. A. Monitoring. 1. Samples and measurements taken for the purpose of monitoring shall be representative of the monitoring activity. 2. Monitoring shall be conducted according to procedures approved under 40 CFR Part 136 or alternative methods approved by the U.S. Environmental Protection Agency, unless other procedures have been specified in this general permit. Analyses performed according to test procedures approved under 40 CFR Part 136 shall be performed by an environmental laboratory certified under regulations adopted by the Department of General Services (1 VAC30-45 or 1 VAC30-46). 3. The operator shall periodically calibrate and perform maintenance procedures on all monitoring and analytical instrumentation at intervals that will ensure accuracy of measurements. B. Records. 1. Monitoring records and reports shall include: a. The date, exact place, and time of sampling or measurements; b. The individual(s) who performed the sampling or measurements; c. The date(s) and time(s) analyses were performed; d. The individual(s) who performed the analyses; e. The analytical techniques or methods used; and f. The results of such analyses. 2. The operator shall retain records of all monitoring information, including all calibration and maintenance records and all original strip chart recordings for continuous monitoring instrumentation, copies of all reports required by this general permit, and records of all data used to complete the registration statement for this general permit, for a period of at least three years from the date of the sample, measurement, report or request for coverage. This period of retention shall be extended automatically during the course of any unresolved litigation regarding the regulated activity or regarding control standards applicable to the operator, or as requested by the board. C. Reporting monitoring results. 1. The operator shall update the SWPPP to include the results of the monitoring as may be performed in accordance with this general permit, unless another reporting schedule is specified elsewhere in this general permit. 2. Monitoring results shall be reported on a discharge monitoring report (DMR); on forms provided, approved or specified by the department; or in any format provided that the date, location, parameter, method, and result of the monitoring activity are included. General Permit No.: VAR10 Page 15 of 21 3. If the operator monitors any pollutant specifically addressed by this general permit more frequently than required by this general permit using test procedures approved under 40 CFR Part 136 or using other test procedures approved by the U.S. Environmental Protection Agency or using procedures specified in this general permit, the results of this monitoring shall be included in the calculation and reporting of the data submitted in the DMR or reporting form specified by the department. 4. Calculations for all limitations which require averaging of measurements shall utilize an arithmetic mean unless otherwise specified in this general permit. D. Duty to provide information. The operator shall furnish, within a reasonable time, any information which the board may request to determine whether cause exists for modifying, revoking and reissuing, or terminating this general permit or to determine compliance with this general permit. The board, department, EPA, or VSMP authority may require the operator to furnish, upon request, such plans, specifications, and other pertinent information as may be necessary to determine the effect of the wastes from his discharge on the quality of surface waters, or such other information as may be necessary to accomplish the purposes of the CWA and the Virginia Stormwater Management Act. The operator shall also furnish to the board, department, EPA, or VSMP authority, upon request, copies of records required to be kept by this general permit. E. Compliance schedule reports. Reports of compliance or noncompliance with, or any progress reports on, interim and final requirements contained in any compliance schedule of this general permit shall be submitted no later than 14 days following each schedule date. F. Unauthorized stormwater discharges. Pursuant to § 62.1-44.5 of the Code of Virginia, except in compliance with a state permit issued by the department, it shall be unlawful to cause a stormwater discharge from a construction activity. G. Reports of unauthorized discharges. Any operator who discharges or causes or allows a discharge of sewage, industrial waste, other wastes or any noxious or deleterious substance or a hazardous substance or oil in an amount equal to or in excess of a reportable quantity established under either 40 CFR Part 110, 40 CFR Part 117, 40 CFR Part 302, or § 62.1-44.34:19 of the Code of Virginia that occurs during a 24-hour period into or upon surface waters or who discharges or causes or allows a discharge that may reasonably be expected to enter surface waters, shall notify the Department of Environmental Quality of the discharge immediately upon discovery of the discharge, but in no case later than within 24 hours after said discovery. A written report of the unauthorized discharge shall be submitted to the department and the VSMP authority within five days of discovery of the discharge. The written report shall contain: 1. A description of the nature and location of the discharge; 2. The cause of the discharge; 3. The date on which the discharge occurred; 4. The length of time that the discharge continued; 5. The volume of the discharge; 6. If the discharge is continuing, how long it is expected to continue; 7. If the discharge is continuing, what the expected total volume of the discharge will be; and 8. Any steps planned or taken to reduce, eliminate and prevent a recurrence of the present discharge or any future discharges not authorized by this general permit. General Permit No.: VAR10 Page 16 of 21 Discharges reportable to the department and the VSMP authority under the immediate reporting requirements of other regulations are exempted from this requirement. H. Reports of unusual or extraordinary discharges. If any unusual or extraordinary discharge including a bypass" or "upset," as defined herein, should occur from a facility and the discharge enters or could be expected to enter surface waters, the operator shall promptly notify, in no case later than within 24 hours, the department and the VSMP authority by telephone after the discovery of the discharge. This notification shall provide all available details of the incident, including any adverse effects on aquatic life and the known number of fish killed. The operator shall reduce the report to writing and shall submit it to the department and the VSMP authority within five days of discovery of the discharge in accordance with Part III 1 2. Unusual and extraordinary discharges include but are not limited to any discharge resulting from: 1. Unusual spillage of materials resulting directly or indirectly from processing operations; 2. Breakdown of processing or accessory equipment; 3. Failure or taking out of service of some or all of the facilities; and 4. Flooding or other acts of nature. I. Reports of noncompliance. The operator shall report any noncompliance which may adversely affect surface waters or may endanger public health. 1. An oral report to the department and the VSMP authority shall be provided within 24 hours from the time the operator becomes aware of the circumstances. The following shall be included as information that shall be reported within 24 hours under this subdivision: a. Any unanticipated bypass; and b. Any upset that causes a discharge to surface waters. 2. A written report shall be submitted within five days and shall contain: a. A description of the noncompliance and its cause; b. The period of noncompliance, including exact dates and times, and if the noncompliance has not been corrected, the anticipated time it is expected to continue; and c. Steps taken or planned to reduce, eliminate, and prevent reoccurrence of the noncompliance. The department may waive the written report on a case-by-case basis for reports of noncompliance under Part III I if the oral report has been received within 24 hours and no adverse impact on surface waters has been reported. 3. The operator shall report all instances of noncompliance not reported under Part III 1 1 or 2 in writing as part of the SWPPP. The reports shall contain the information listed in Part 111 1 2. NOTE: The reports required in Part III G, H and I shall be made to the department and the VSMP authority. Reports may be made by telephone, email, or by fax. For reports outside normal working hours, leaving a recorded message shall fulfill the immediate reporting requirement. For emergencies, the Virginia Department of Emergency Management maintains a 24-hour telephone service at 1-800-468- 8892. General Permit No.: VAR10 Page 17 of 21 4. Where the operator becomes aware of a failure to submit any relevant facts, or submittal of incorrect information in any report, including a registration statement, to the department or the VSMP authority, the operator shall promptly submit such facts or correct information. J. Notice of planned changes. 1. The operator shall give notice to the department and the VSMP authority as soon as possible of any planned physical alterations or additions to the permitted facility or activity. Notice is required only when: a. The operator plans an alteration or addition to any building, structure, facility, or installation that may meet one of the criteria for determining whether a facility is a new source in 9VAC25-870- 420; b. The operator plans an alteration or addition that would significantly change the nature or increase the quantity of pollutants discharged. This notification applies to pollutants that are not subject to effluent limitations in this general permit; or 2. The operator shall give advance notice to the department and VSMP authority of any planned changes in the permitted facility or activity, which may result in noncompliance with state permit requirements. K. Signatory requirements. 1. Registration statement. All registration statements shall be signed as follows: For a corporation: by a responsible corporate officer. For the purpose of this chapter, a responsible corporate officer means: (i) a president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy-making or decision-making functions for the corporation; or (ii) the manager of one or more manufacturing, production, or operating facilities, provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for state permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures; b. For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or c. For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official. For purposes of this chapter, a principal executive officer of a public agency includes: (i) the chief executive officer of the agency or (ii) a senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. 2. Reports, etc. All reports required by this general permit, including SWPPPs, and other information requested by the board or the department shall be signed by a person described in Part III K 1 or by a duly authorized representative of that person. A person is a duly authorized representative only if: a. The authorization is made in writing by a person described in Part III K 1; b. The authorization specifies either an individual or a position having responsibility for the overall operation of the regulated facility or activity such as the position of plant manager, operator of a well or a well field, superintendent, position of equivalent responsibility, or an individual or position having overall responsibility for environmental matters for the operator. (A duly authorized General Permit No.: VAR10 Page 18 of 21 representative may thus be either a named individual or any individual occupying a named position); and c. The signed and dated written authorization is included in the SWPPP. A copy must be provided to the department and VSMP authority, if requested. 3. Changes to authorization. If an authorization under Part III K 2 is no longer accurate because a different individual or position has responsibility for the overall operation of the construction activity, a new authorization satisfying the requirements of Part III K 2 shall be submitted to the VSMP authority as the administering entity for the board prior to or together with any reports or information to be signed by an authorized representative. 4. Certification. Any person signing a document under Part III K 1 or 2 shall make the following certification: I certify under penalty of law that I have read and understand this document and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." L. Duty to comply. The operator shall comply with all conditions of this general permit. Any state permit noncompliance constitutes a violation of the Virginia Stormwater Management Act and the Clean Water Act, except that noncompliance with certain provisions of this general permit may constitute a violation of the Virginia Stormwater Management Act but not the Clean Water Act. Permit noncompliance is grounds for enforcement action; for state permit termination, revocation and reissuance, or modification; or denial of a state permit renewal application. The operator shall comply with effluent standards or prohibitions established under § 307(a) of the Clean Water Act for toxic pollutants within the time provided in the regulations that establish these standards or prohibitions or standards for sewage sludge use or disposal, even if this general permit has not yet been modified to incorporate the requirement. M. Duty to reapply. If the operator wishes to continue an activity regulated by this general permit after the expiration date of this general permit, the operator shall submit a new registration statement at least 90 days before the expiration date of the existing general permit, unless permission for a later date has been granted by the board. The board shall not grant permission for registration statements to be submitted later than the expiration date of the existing general permit. N. Effect of a state permit. This general permit does not convey any property rights in either real or personal property or any exclusive privileges, nor does it authorize any injury to private property or invasion of personal rights, or any infringement of federal, state or local law or regulations. O. State law. Nothing in this general permit shall be construed to preclude the institution of any legal action under, or relieve the operator from any responsibilities, liabilities, or penalties established pursuant to any other state law or regulation or under authority preserved by § 510 of the Clean Water Act. Except as provided in general permit conditions on "bypassing" (Part III U) and "upset" (Part III V), nothing in this general permit shall be construed to relieve the operator from civil and criminal penalties for noncompliance. P. Oil and hazardous substance liability. Nothing in this general permit shall be construed to preclude the institution of any legal action or relieve the operator from any responsibilities, liabilities, or penalties to which the operator is or may be subject under §§ 62.1-44.34:14 through 62.1-44.34:23 of the State Water Control Law or § 311 of the Clean Water Act. General Permit No.: VAR10 Page 19 of 21 Q. Proper operation and maintenance. The operator shall at all times properly operate and maintain all facilities and systems of treatment and control (and related appurtenances), which are installed or used by the operator to achieve compliance with the conditions of this general permit. Proper operation and maintenance also includes effective plant performance, adequate funding, adequate staffing, and adequate laboratory and process controls, including appropriate quality assurance procedures. This provision requires the operation of back-up or auxiliary facilities or similar systems, which are installed by the operator only when the operation is necessary to achieve compliance with the conditions of this general permit. R. Disposal of solids or sludges. Solids, sludges or other pollutants removed in the course of treatment or management of pollutants shall be disposed of in a manner so as to prevent any pollutant from such materials from entering surface waters and in compliance with all applicable state and federal laws and regulations. S. Duty to mitigate. The operator shall take all steps to minimize or prevent any discharge in violation of this general permit that has a reasonable likelihood of adversely affecting human health or the environment. T. Need to halt or reduce activity not a defense. It shall not be a defense for an operator in an enforcement action that it would have been necessary to halt or reduce the permitted activity in order to maintain compliance with the conditions of this general permit. U. Bypass. 1. 'Bypass," as defined in 9VAC25-870-10, means the intentional diversion of waste streams from any portion of a treatment facility. The operator may allow any bypass to occur that does not cause effluent limitations to be exceeded, but only if it also is for essential maintenance to ensure efficient operation. These bypasses are not subject to the provisions of Part III U 2 and 3. 2. Notice. a. Anticipated bypass. If the operator knows in advance of the need for a bypass, the operator shall submit prior notice to the department, if possible at least 10 days before the date of the bypass. b. Unanticipated bypass. The operator shall submit notice of an unanticipated bypass as required in Part III I. 3. Prohibition of bypass. a. Except as provided in Part III U 1, bypass is prohibited, and the board or department may take enforcement action against an operator for bypass unless: 1) Bypass was unavoidable to prevent loss of life, personal injury, or severe property damage. Severe property damage means substantial physical damage to property, damage to the treatment facilities that causes them to become inoperable, or substantial and permanent loss of natural resources that can reasonably be expected to occur in the absence of a bypass. Severe property damage does not mean economic loss caused by delays in production; 2) There were no feasible alternatives to the bypass, such as the use of auxiliary treatment facilities, retention of untreated wastes, or maintenance during normal periods of equipment downtime. This condition is not satisfied if adequate back-up equipment should have been installed in the exercise of reasonable engineering judgment to prevent a bypass that occurred during normal periods of equipment downtime or preventive maintenance; and 3) The operator submitted notices as required under Part III U 2. General Permit No.: VAR10 Page 20 of 21 b. The department may approve an anticipated bypass, after considering its adverse effects, if the department determines that it will meet the three conditions listed in Part III U 3 a. V. Upset. 1. An "upset," as defined in 9VAC25-870-10, means an exceptional incident in which there is unintentional and temporary noncompliance with technology-based state permit effluent limitations because of factors beyond the reasonable control of the operator. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive maintenance, or careless or improper operation. 2. An upset constitutes an affirmative defense to an action brought for noncompliance with technology- based state permit effluent limitations if the requirements of Part III V 4 are met. A determination made during administrative review of claims that noncompliance was caused by upset, and before an action for noncompliance, is not a final administrative action subject to judicial review. 3. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventative maintenance, or careless or improper operation. 4. An operator who wishes to establish the affirmative defense of upset shall demonstrate, through properly signed, contemporaneous operating logs or other relevant evidence that: a. An upset occurred and that the operator can identify the cause(s) of the upset; b. The permitted facility was at the time being properly operated; c. The operator submitted notice of the upset as required in Part III I; and d. The operator complied with any remedial measures required under Part III S. 5. In any enforcement proceeding, the operator seeking to establish the occurrence of an upset has the burden of proof. W. Inspection and entry. The operator shall allow the department as the board's designee, the VSMP authority, EPA, or an authorized representative of either entity (including an authorized contractor), upon presentation of credentials and other documents as may be required by law to: 1. Enter upon the operator's premises where a regulated facility or activity is located or conducted, or where records must be kept under the conditions of this general permit; 2. Have access to and copy, at reasonable times, any records that must be kept under the conditions of this general permit; 3. Inspect and photograph at reasonable times any facilities, equipment (including monitoring and control equipment), practices, or operations regulated or required under this general permit; and 4. Sample or monitor at reasonable times, for the purposes of ensuring state permit compliance or as otherwise authorized by the Clean Water Act or the Virginia Stormwater Management Act, any substances or parameters at any location. For purposes of this section, the time for inspection shall be deemed reasonable during regular business hours, and whenever the facility is discharging. Nothing contained herein shall make an inspection unreasonable during an emergency. General Permit No.: VAR10 Page 21 of 21 X. State permit actions. State permits may be modified, revoked and reissued, or terminated for cause. The filing of a request by the operator for a state permit modification, revocation and reissuance, or termination, or a notification of planned changes or anticipated noncompliance does not stay any state permit condition. Y. Transfer of state permits. State permits are not transferable to any person except after notice to the department. Except as provided in Part I II Y 2, a state permit may be transferred by the operator to a new operator only if the state permit has been modified or revoked and reissued, or a minor modification made, to identify the new operator and incorporate such other requirements as may be necessary under the Virginia Stormwater Management Act and the Clean Water Act. 2. As an alternative to transfers under Part III Y 1, this state permit may be automatically transferred to a new operator if: a. The current operator notifies the department at least 30 days in advance of the proposed transfer of the title to the facility or property; The notice includes a written agreement between the existing and new operators containing a specific date for transfer of state permit responsibility, coverage, and liability between them; and c. The department does not notify the existing operator and the proposed new operator of its intent to modify or revoke and reissue the state permit. If this notice is not received, the transfer is effective on the date specified in the agreement mentioned in Part III Y 2 b. 3. For ongoing construction activity involving a change of operator, the new operator shall accept and maintain the existing SWPPP, or prepare and implement a new SWPPP prior to taking over operations at the site. Z. Severability. The provisions of this general permit are severable, and if any provision of this general permit or the application of any provision of this state permit to any circumstance, is held invalid, the application of such provision to other circumstances and the remainder of this general permit shall not be affected thereby. Section 12. Inspection logs Provide templates for your inspections. Requirements are listed in 9VAC25-880-70, Part II, section B and F.) Issued — 10/2014 Stormwater Pollution Prevention Plan (SWPPP) Albemarle County Section 12. Inspection logs Provide templates for your inspections. Requirements are listed in 9VAC25-880-70, Part II, section B and F.) 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Clar O a v cr O C O IA G m Y al ro O m+ m r aJ aj c t wm A as a) w w 0O O a) 7 0 ++ c `u i m O 3c M E u 0 r- r r CL Q ,C N YN c O arLH a) Ln c a a) oO. 7 H 00 LnGn O 6 LL r M m u a) 41 D G Y N O m = a+ 3 m u E u3 GL0 O0i5La 0 CaC O c -o 7 aJ OJ 0 N uE Ln a) v X a) N v O Y C O ro C O ro 'A o OIn o `4 c v a) L O N v mT - ro aj A w . o " a a U C N N LU 4 u C 0 N • N N 72 a, a)O -0 v v 3 to aN a) ro N LD O m o u 0 YUOC 1A y 7 16 O 7 ZOEi y O ro >- 0O a) +' M1. v L m N '` m u -0 u u N aj Y Qj u L Eu U O N y v 3 N a) L a) E Y L E c c a) N C L aJ Y Y V) — 7 vOi O O C O L C O u ro U ajLnO vOj O p - u Qj v U ii voi O CORRECTIVE ACTIONS Documentation of any corrective actions taken must be noted and retained with the SWPPP as required by the General VPDES Permit for Discharges of Stormwater from Construction Activities. The operator shall implement corrective actions according to Part II G of the Permit. CORRECTIVE ACTION LOG 7 certify under penalty of law that 1 have read and understand this document in accordance with the General VPDES Permit for Discharges of Stormwater from Construction Activities. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." Operator or Delegated Authority Signature SWPPP Amendment, Modification and Update Log Documentation of SWPPP amendment, modification, or update must be noted and retained with the SWPPP as required by the General VPDES Permit for Discharges of Stormwater from Construction Activities. The operator shall record these actions according to Part II B of the Permit. SWPPP Amendment, Modification and Update Log Date I Description of Amendment, Modification, or Update Responsible Party Responsible Party Responsible Party Responsible Party I certify under penalty of law that I have read and understand this document in accordance with the General VPDES Permit for Discharges of Stormwater from Construction Activities. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. " Operator or Delegated Authority Signature