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Home My WebLink AboutWPO202000032 Plan - VSMP 2021-02-05VSMP PLAN 1300 RICHMOND ROAD -FLOW AUTOMOTIVE LEGEND OWNER/DEVELOPER Owner: Flow 1300 Richmond LLC EXISTING NEW DESCRIPTION loor lem,271 Winston-Salem, INCN27101 Winston-Salem, bthomas@flowauto.com BOUNDARIES BENCHMARK ZONING SITE PROPERTY LINE HC - Highway Commercial Entrance Corridor ADJACENT PROPERTY LINE Amendment to SDP199500042 BUILDING SETBACK With SP199400004 PARKING SETBACK SITE TEXT SETBACKS 10 10 PARKING COUNT Front (measured from right-of-way or exterior edge of sidewalk if the sidewalk is outside of the TOPOGRAPHY right-of-way): Building: Min - 10 feet, Max - 30 feet` INDEX CONTOUR Parking: Min - 10 feet, Max - None INTERVAL CONTOUR 'None on any lot abutting a principal arterial highway or interstate m Side & Rear (if abutting lot is zoned residential, rural areas, or Monticello Historic District): 311.5 x x' SPOT ELEVATION Building: Min - 50 feet, Max - None n9 311.5 TC x X TOP OF CURB ELEVATION Parking: Min - 20 feet, Max - None Side &Rear (if abutting lot is zoned commercial or industrial): x' TOP OF WALL ELEVATION Building: Min - Accordance with Building Code, Max - None 311.5 Ls vV x x'p BOTTOM OF WALL ELEVATION Parking: Min - None, Max - None STREAM MAGISTERIAL DISTRICT STREAM BUFFER Rivanna 100 YEAR FLOODPLAIN SOURCE OF TITLE BUILDING BUILDING TMP 78-6 : DB 5272 PG 714 TMP 78-7 : DB 5272 PG 714 RETAINING WALL SOURCE OF BOUNDARY AND TOPOGRAPHY STAIRS Boundary & topographic survey provided by: EDGE OF PAVEMENT Roger W. Ray & Associates, Inc. (01/07/2020), updated (0311612020) - - ROAD CENTERLINE w/ portion from LIDAR retrieved (01/30/2020) Delineation of LIDAR & Surveyed Topo Shown Sheet C3. FRONT OF CURB Topography field verified by Justin Shimp, P.E. (03/25/2020) BACK OF CURB I CG-12 TRUNCATED DOME BENCHMARK SIDEWALK Datum for topography is NAVD 88 & BIKE PARKING Benchmark located in parking lot near existing building on TMP 78-6 elevation 420.08. HANDICAP ACCESSIBLE AISLE FLOODZONE HANDICAP PARKING According to the FEMA Flood Insurance Rate Map, effective February 4, 2005, MATERIAL (Community Panel 51003CO287D) a portion of this property does lie within a 1% annual chance floodplain. 0 CONCRETE RESERVOIR WATERSHED RIPRAP 0 ASPHALT This site is within the Upper Rivanna River Watershed. EC-2 MATTING EC-3 MATTING WATER & SANITARY SERVICES 0 WETLAND Site is served by Albemarle County Service Authority. All sanitary lines on site are private. TREELINE X X FENCE GENERAL CONSTRUCTION NOTES FOR UTILITY EROSION AND SEDIMENT CONTROL PLANS -0- -0- UTILITY POLE m m GUY WIRE 1. The plan approving authority must be notified one week prior to the pre -construction conference, one week prior to the commencement of land disturbing activity, and one week prior to the final inspection. oHu o u OVERHEAD UTILITY 2. All erosion and sediment control measures will be constructed and maintained according to minimum standards and specifications ucu ucu UNDERGROUND UTILITY of the Virginia Erosion and Sediment Control Handbook and Virginia Regulations VR 625-02-00 Erosion and Sediment Control Regulations. xO STORM 3. All erosion and sediment control measures are to be placed prior to or as the first step in clearing. STORM MANHOLE 4. A co of the approved erosion and sediment control Ian shall be maintained on the site at all times. PY PP P O O DROP INLET 5. Prior to commencing land disturbing activities in areas other than indicated on these plans (including, but not limited to, off -site borrow or waste areas), the contractor shall submit a supplementary erosion control plan to the owner for review and approval by STORM SEWER the plan approving authority. 6. The contractor is responsible for installation of any additional erosion control measures necessary to prevent erosion and ROOF DRAIN sedimentation as determined by the plan approving authority. SANITARY 7. All disturbed areas are to drain to approved sediment control measures at all times during land disturbing activities and during site CO SANITARY MANHOLE development until final stabilization is achieved. 8. During dewatering operations, water will be pumped into an approved filtering device. SANITARY SEWER MAIN 9. The contractor shall inspect all erosion control measures periodically and after each runoff producing rainfall event. Any necessary S S repairs or cleanup to maintain the effectiveness of the erosion control devices shall be made immediately. SANITARY SEWER LATERAL 10. All fill material to be taken from an approved, designated borrow area. WATER 11. All waste materials shall be taken to an approved waste area. Earth fill shall be inert materials only, free of roots, stumps, wood, W W rubbish, and other debris. WATER LINE 12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning Ordinance section 5.1.28. O O WATER METER 13. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle. 0 o 14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of 7:00am to 9:00pm. WATER METER VAULT 15. Borrow, fill or waste activity shall be conducted in a safe manner that maintains lateral support, or order to minimize any hazard to MtFIRE HYDRANT persons, physical damage to adjacent land and improvements, and damage to any public street because o slides, sinking, or FIRE DEPARTMENT CONNECTION collapse. 16. The developer shall reserve the right to install, maintain, remove or convert to permanent stormwater management facilities where GAS applicable all erosion control measures required by this plan regardless of the sale of any lot, unit, building or other portion of the property. GAS ens GAS LINE 17. Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75 Ibs/acre, and in the months of September EASEMENTS to February to consist a 50/50 mix of Annual Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved CONSTRUCTION by the County erosion control inspector. - - GRADING 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the top 4-6 inches of soil. Fertilizer shall be applied at 1000lbs/acre and consist of a 10-20-10 ACCESS nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or Tall Fescue and 0-5% SIGHT DISTANCE Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion control inspector. UTILITY 19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to structural measures is to - - - - - - STORMWATER FACILITY MAINTENANCE be repaired immediately. Silt traps are to be cleaned when 50% of the wet storage volume is filled with sediment. All seeded areas are to be reseeded when necessary to achieve a good stand of grass. Silt fence and diversion dykes which are collecting sediment STORMWATER ACCESS to half their height must be cleaned and repaired immediately. DRAINAGE 20. All temporary erosion and sediment control measures are to be removed within 30 days of final site stabilization, when measures are no longer needed, subject to approval by the County erosion control inspector. SANITARY 21. This plan shall be void if the owner does not obtain a permit within 1 year of the date of approval. (Water Protection Ordinance WATERLINE section 17-204G.) 22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the land disturbing activity - - GASLINE commenced. (Water Protection Ordinance section 17-207B) LAND USE SCHEDULE EXISTING Area % Building 39,330 SF 6.8% Pavement 218,787 SF 37.8% Sidewalk 5,334 SF 0.9% Undeveloped 315,799 SF 54.5% Total= 579,250 SF (13.30 ac.) PROPOSED Area % Building 51,686 SF 8.9% Pavement 233,216 SF 40.3% Sidewalk 4,550 SF 0.8% Undeveloped 289,798 SF 50.0% Total= 579,250 SF (13.30 ac.) "<Z COUNTY of ALBEMARLE Department of Community Development Construction Record Drawings (As -built) for VSMP The following is a list of information required on construction record drawings for stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the construction record drawing be prepared by someone other than the designer. Please do not provide design drawings as construction record drawings. A. A signed and dated professional seal of the preparing engineer or surveyor. B. The name and address of the firm and individual preparing the drawings on the title sheet. C. The constructed location of all items associated with each facility, and the inspection records to verify proper dimensions, materials and installation. The items include, but are not limited to the following: I. Inspection Records and photographs for pipe trenches and bedding, including underdrains. 2. Video Pipe inspection for any pipes which are not accessible or viewable. 3. Updated Location with geo-coordinates of all facilities. 4, Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities. 5. Current physical and topographic survey for all earthen structures. Ponds should include a survey of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required for alterations from the design. 6. Plants, location and type. 7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the installed type of drainage structures, culvert/pipe size, weirs, materials, inlets or end treatment(s), inlet and outlet protection, alignment and invert elevations compared to design. 8. Computations: For significant deviations from design, provide scaled computations verifying that the as -built condition is equivalent or better than design. 9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical sections and linings. 10. Rasements - Show all platted easements with dead book references labeled. Facilities and drainage must be within platted casements. Provide copies of recorded documents. 11. Guardrail, fences or other safety provisions - Display the constructed location of all safely provisions; fences, guardrail, including the type, length and applied end treatments, compared to design. 12. Material layers - biofiiter media, stone layers, sand layers, keyways and cores must be verified as to material types and depths. Include inspection reports, taxing or test pit reports and materials certifications. Biofilter media must bean approved state mix. 13. Access roads - show location of access roads, surface treatment, drainage, etc, as applicable. 14. Compaction reports are required to verify fill compaction in dams. 15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning. GENERAL NOTES 1. The information and data shown or indicated with respect to the existing underground utilities at or contiguous to the site are based on information and data furnished to the owner and engineer by the owners of such underground facilities or others. The owner or engineer shall not be responsible for the accuracy or completeness of such information or data. The contractor shall have full responsibility for confirming the accuracy of the data, for locating all underground utilities, for coordination of the work with owners of such underground utilities during construction, for the safety and protection thereof and repairing any damage thereto resulting from the work. All of these conditions shall be met at no additional cost to the owner. The contractor shall contact "Miss Utilities" of Virginia at 1-800-552-7001 prior to the start of work. 2. When working adjacent to existing structures, poles, etc., the contractor shall use whatever methods that are necessary to protect structures from damage. Replacement of damaged structures shall be at the contractor's expense. 3. The contractor shall be responsible for protecting all existing site structures from damage and coordinating work so that the owner can make necessary arrangements to modify/protect existing structures from damages. 4. The contractor shall be responsible for notifying all utility owners, adjacent land owners whose property may be impacted and the Virginia Department of Transportation prior to completing any off -site work. 5. Contractor shall notify and coordinate all work involving existing utilities with utility owners, at least 72 hours prior to the start of construction. 6. Contractor shall immediately report any discrepancies between existing conditions and contract documents to the owner and engineer. 7. Contractor shall submit for the approval of the owner submittals of all specified materials listed in the plans, to include shop drawings, manufacturer's specifications and laboratory reports. the owner's approval of submittals will be general and will not relieve the the contractor from the responsibility of adherence to the contract and for any error that may exist. 8. All bare areas shall be scarified, limed, fertilized, seeded and mulched. 9. All trees, saplings, brush, etc. shall be removed from within the right of way and the drainage easements. 10. Visibility of all mechanical equipment from the Entrance Corridor shall be eliminated. 11. Retaining walls require separate building permits. 12. All water service lines, sanitary laterals, and sprinkler lines must be visually inspected by the Albemarle County Building Department from the main to the structure. 13. Building or structures built before January 1, 1985 must have an asbestos survey performed in order to apply for a permit. Asbestos removal permits are required is positive for such from Albemarle County and VDOLI. Contact VDOLI for additional requirements and permits for demolition projects. 14. Where the flood level rims of plumbing fixtures are below the elevation of the manhole cover of the next upstream manhole in the public sewer, the fixtures shall be protected by a backwater valve installed in the building drain, branch of the building drain, or horizontal branch serving such fixtures. Plumbing fixtures having flood level rims above the elevation of the manhole cover of the next upstream manhole in the public sewer shall not discharge through a backwater valve. WP0202000032 TAX MAP 78 PARCELS 6 & 7 ALBEMAR VICINITY MAP SCALE: 1"=2000' Map provided by Google.com LE COUNTY, VIRGINIA SHEET INDEX (14 TOTAL) C1 COVER C2 SITE OVERVIEW C3 EXISTING CONDITIONS & DEMOLITION C4 GRADING & UTILITIES C5 E&SC NARRATIVE C6 E&SC PLAN PH 1 C7 E&SC PLAN PH 2 C8 E&SC PLAN PH 3 C9 E&SC PLAN PH 4 C10 STORM DETAILS C11 E&SC DETAILS C12 PRE DEVELOPMENT DRAINAGE MAP C13 POST DEVELOPMENT DRAINAGE MAP C14 INLET DRAINAGE MAP C15 DRAINAGE DETAILS SHIMP ENGINEERING LAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT Design Focused Engineering 912 East High Sheaf Phone: 434-227-5140 Chatlottesmile, VA 22902 shimp-engineenng.wss o z J SHIMP a L' . No. 45183 A �2I2 2I w� o�,4 S'lONAL �� VSMP PLAN ALBEMARLE COUNTY, VIRGINIA 1300 RICHMOND ROAD - FLOW AUTOMOTIVE SUBMISSION: 2020.06.02 REVISION: 01) 2020.10.22 02) 2021.02.02 FILE NO. COVER SHEET C1 OF 15 19.0781 C1 es THIS PROPERTY CORNER IS APPROXIMATE ' ONLY. g PLATS OF RECORD SHOW THE PROPERTY LINE TO FOLLOW THE STREAM. HOWEVER, NOTES H� ON SURVEYS OF THE ADJACENT PROPERTY STATE THAT THE STREAM WAS RELOCATED AT THIS R ' uN ' yp oW CORNER BY VA. DEPT. OF HWYS. NO S EVIDENCE OF THE ORIGINAL STREAM LOCATION EXISTS. M THE CORNER PROPERTY LINE SHOWN HERE ON F \\ d IS TO THE CENTER OF THE EXISTING STREAM. / T.M. 78-8B FF "� .W T.M. 78-58K / WILTON, LLC •, / \ 8 "" JAM S A., JR. & PEGGY W. DETTOR D.B. 1130-125 ' \••;\•`' �" '� D.B. 3713-419 D.B. 1198-307 & 308 PLAT D.B. 2700 317 - PLAT ZONED R10 \ / D.B. 391-296 PLAT // \ . \ r\\ "pA/ \\•�� \�___ b o D.B. 201-455 PLAT ZONED: R1 I PROPERTY LINE IS SHOWN AS \ \\ \� \ 't`�,\\ \•9`/�.,�<pl,\\\� \ '`. p,,; ,W y N THE STREAM ON PLATS p5'\ Al •W ."' "' .W ^� m" RECORDED IN D.B. 201-454 & `\ \ \ p lR \ \ n R W " „, N ,�"' ". GAP �, \\` �RS Fq \_- ,' A •y q•W / h ,W ,W D.B 1198-307 & 308 \ \\ r\ \\ \\ Fg MI"mm n ,Y ^" m ''^ 0.038D ACRE T.M. 78-580 1 \ \ \ \ \ \\\ \ \\ \\ \\ h'/�\\ •6j�c-qN v `...�..._...... _... "^ a� _ 0 P PAN TOPS CORNER, \\\ \ \ \ \, ` \ \ - _ - \ \ \\\ \�, \\ \\\ ` — Fp� — _ -, ._ _ _ STREAM cLAssFIc noN OVERLAP VERLA w_- L1 Lz PER USGB MAPS. F LD „ „ \\ „A„ D.B. 4358-684, 1 ` \ `� \ N. \ \ — — ' _ „ L3 JUSVERIN. 5 2, 20 Y La G AP - _ ausnry sNIMa, PE /s GB" - 6r00fl�4CRE / I I / J \ \\ - - _ - - ... 0.002 ACRE \ / 688 PLAT �� '\� \ \ \ \ \ 1 I. \,, \ _ _/ I \ — % N - --- - _ 0.008 ACRE],_ / 1 \ \ \ ` `\ `• _ ,' -' _ _ _ I %EX FENCE _ _ ZONED: HC iN \\ \ I \ \ \ \ - / /' tisou FouNo LL:\ i� \\ y�,_ 100 YR FLOODPLAIN N.'1fAPH COMPANY OF VIRGINIA EASEMENT C y \ PHONE AND lE \ \ �� --___ � \ __ \ /9GY CINE qS -_- 18..,...'Qs L15 \ \ ♦ / % 1 x �\ \\\ \ \`\ \ \ �1`— �A�Tp /' " - ,N OBNOyyN ON \ > -11p..._ s \ IRON FOUND IN �\ \ Tltll'H�1 _ APPROAMATE AWAIT' 4 P ok _ " ... \ \ CONCRETE t QF DDJST A CEqN 0_3> IATC DED Xo-` x MONUMENT \-///' a \ \ ___�\ ATION OF >ELEPHO / \ _ - \ \ \�52EtlER-EASFJIENL_ '_--^ NE ANO TELEO�RgPH OEM ANY �\\—J _\ \ \\\\`l\_-\I\\\\\\• 3� (D.B. 1549-598)4�) M A CA / \ �O �'' `T1fl ±�# \`__--_` /'' \ \\ \\ 1 L — I \\ \\\ \\ „f•�r��-EX / _YR FLpo _Sip.6.� ate �\ \`= `\\ \ •i50. \ \ `` \ RAP �� _ oT�---_____ �r�i „� h\ _ _ �`.\\ __ __/' /' .. \\ 1\ \� 1\ \` \ PRESERVED SLOPES �\ 340 --------------- ___ -__ IRON / FOUND 3. �f IRON SPNT-GDN$-TRUCVT0T\ _-FOUND AND READING EASEMENT, EX. 01 (D.B. 4553-43) 20 / \\ / / ---'\ \\\\ \ \\♦ \\ v\\ ,`,�\ �,,ti�v,$ �� \ --r�—__---i�_DRAMA "361�2'219 LAT - /-T.M.78-7 -------------T ------ �--------LOT 8 v\ ' --- ---- - _-----� m -A - \ — --- a -w — --_ 5.59 ACRES (DOES NOT INCLTJD _ ' ; / /-- ----------- ----------OV€RLAPS,-OR_GAPS) \i I .,/ %//'� 'I i -` •` � \ I�\II� _ FLOW 1300 RICHMOND LZ-C-- _72 714 D B 1168 6 6 5D.B.-440-37 LA • , • : / ' , — — '------__ \ -- — i & D.B. 201-454PPL 1 I II' J _/ \ __-�_� � � � _ - aeo - \ L '7�� III x �s � -�-__ \ - IIA,✓///�//,,,/ __-_______ — - --_ SAN MH __—_ / \ \ \ \ _ MAI�AGk`D/\ SLOPES \ \ l - \�` ��OP \�-\\ �\ I III EX. BLE STORY METAL ` /\ / /�/i//i / / \\ I\ \\ 1 \I \ I 1 / I» - ---------------' � SHIMP ENGINEERING \� \-_____________-__ PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT m 1 1• _ _ __ ___________ _ � _-_ � -, __ ___�_ �_ __ _>__=_c - Design FocusedEngineering \ _ � _ __ __ _ _ _ si n --'�z---,_---:`- �•':':':'• \" ti. --- --- \y -r - ----- - - _ / / / i /1 ��---\---------------------_----_= .'.'.'.'.'..\'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.�. a~ _\ _\` _ - — -- --___ -," --____ \` , / / ��--_ _________ -- _______ _ 912 East High Sln;e1 Phone: 431-227-5140 • 1 ! \\ \ — s s s \ \� - _ _ y _ _ _ l J , / I / I — _ _ — — — — — — _ — _ _ _ _ _ - — — — — — — — Chadotlesmile, VA 22902 shimp-engineenng.mm LIMITS OF DISTURBANCE I :':':':' ' ' �c _-_ _ -- / sic 1 D 0 71 �g�s — __ �410EX. X\�__�\ `� -.I OLE IN \ `— L_ 1707 P AT- --� '`�__\` .. .\ .'. .904 ti� ' �-•X �—x�= �� % - --_- ___ - / I1INI'�LF D:IC Iis\ ONE STOIRY STUC \ \-/' �� ♦, _ / —x — _% . 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S SHIMP ENGINEERING LAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT Design Focused Engineering 912 East High Stmet Phone: 434-227-5140 Chadottesmile, VA 22902 skimp-engineenng.wm IO U SHIMP > L' . No. 4518 2(zlzc w4 R`sSlnust 0 VSMP PLAN ALBEMARLE COUNTY, VIRGINIA 1300 RICHMOND ROAD - FLOW AUTOMOTIVE SUBMISSION: 2020.06.02 REVISION: 01) 2020.10.22 02) 2021.02.02 FILE NO. 19.078 EXISTING CONDITIONS & DEMOLITION O� UN Z / APPROXIMATE LOCATION OF / ■ / / SETN AIOINT TBR 1 OAK TREUTI u , c c� p 1 _ / O IBUR�IGM N SHEET C3 OF 15 // COMBINED UTILITY EASEMENT / / 0 I FO VEPCO, C EL AC 1PK TIRE WM •,u. •' u�X __ / NJA / / ••�••� ••�••�• BEGI NINGT•Is .7's•�•• ` 30 30 60 90 FOR VEPCO, CENTEL & �j I I (D.B. 1168-546)I • VAULT tiL � �:. �,� / ASCA / APPROXIMAdE LOCATION OF 20' / N I I I ` ( { WATERLINE EASEMENT I I I ��`�•. \ J / (D.B. 1327-145) // (P,B. 1549-598) o 1 ' �' Scale: 1"=30' �❑❑,❑•�:\\ \ \ \\ 0 \ �■ "�rr�, \ — Q P i'— �� ---_-- i— -- —�_ ---- IR( FOL JbN \ \ �• \ 46 N�44-- \ ♦/ -\ �� • \ \ \� 46 TOP OF 6' D 3 --- - - - - -- ------ MITS OF DIS AM 46 IRCROACH 350 \ If / S \ \ \ \ \ • APPROX. 5, 0 SF 48" CONC. 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LP EX L EX DI .V,1 n.ILS �CO 62° _ 1 e .. .. .. ssss } o— o °� �ECEPri SUBMISSION: 10 §6SHARED '°----- / \ 2020.06.02 15 ---� BUILDING A,3 -- \ REVISION: L 0 \ NEW FFI CE ° 16' I W A U _ 01) 2020.10.22 B p NEW 30' SWM ,�.♦�. g0' BENDNEW 10' SWI�1 A ES I NEW 6" SDR-35'1''z SALES SPACE �— BUILDING A4 a3 // / ��, 02 2021.02.02 ��/ r,. BUILDING I i ) _ LDING FF � NEW P / R-� €EAS ENT ATERAL PROVID � �.:,,; E ORSCHE 19 \ ' EASEMENT / ue ``'' FFE 417.00 SALES 19 \\ / / X. 3' MIN. COVER 1700 41_7.00 ' BUILDING / -' MIN. SLOPE APP�OXIr ATE\oCATIGN of \ \ � SIGN v A t500 -- FFE 419.50 NT3aL LEP oNP co�PAN`Y o� � � � \ /i \ ? ♦. N� s" o w VI GINI EA EME T V V V V V V V V \ ♦ _ W i L (;__. A \ \ \ \ \ \ 15" CON �EW DI-7 16 X x �A - I 7a (LP EX. EX. ILE . LP. H 13 -,� -I' - , BE<JD 16R0 x i BSo 16�' :x , 19'0 �rT 9'° /� / A AGED o S PIES 16 74 i �' �8 LIMITS OF DISTURBANCE 1 g37 �/- / FILE NO - - - - -- - - - - SLOPES ■ - ---__ _ ANAGED HO F i 3 `\� O O \ Gas � NOT TO ENCROACH x Gas Gas / EXISTING PARKING 30 o ,� --- _ __ __ ;, \ -." rr SPACF�C�TOREMAIN � 20 �� // 19.078 Sz 4 — '— -410 I fir. —Gas �s a Gas—Gas—ws—cns—cns t ♦/ / / I D -- so. — ---_ _ _ _ \ 1 \� J -- -- _ - '1 GRADING & UTILITIES •" ---- ------ R O.CATE WM : ,� . - -- --- ---- 4 L. � 9 � � // / � v � x E -- _ - -- - HU^\�'0#U OH - O 3NE T\. 20.- .....=` _ 7259 w � pcu ... .., , .: ., .38'46" W AP P R �// / �// // /'// /% / /% C M BI - /j /j !j i /j i � / !j /j 1 NED uTIUTY EA —�Gu � ��ea-Gas= --�/ / SHEET C4 OF 15 NO" / COMBINED UTILITY EASEMENT /! !i! !j / / / �i !i !j ! �i !i !j ! �/ !i !j I FO VEPCO, CENTEL &IACSA ON�-,i/// ..- .._.._.. .. ^4 FOR VEPCO, CENTEL & NING I (D.B. 1168-546) j . / / j . / �-� 30 30 60 90 / / APPROXIMATE LOCATION OF r I � ASCA / / I I ILL &OVERLAY APPROX. (D.B. 1327 145) / WATERLINE EASEMENT ILL & OVERLAY APPROX. o I 1,648 SF PER WP-2 MILL & OVERLAY APPR .•! !j !jj - / (P.B. 1549-598) 537 SF PER WP-2 y- I ` @70 SF PER WP-2 0 .�_ ,W„ Scale: 1"=30' PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTION PROJECT DESCRIPTION THIS PROJECT PROPOSES AN ADDITIONAL BUILDING AND PARKING LOT UPGRADES TO A SITE WITH TWO EXISTING BUILDINGS USED FOR THE SALE AND SERVICE OF AUTOMOBILES. THE TOTAL AREA OF DISTURBANCE IS 4.62 ACRES. THE PROJECT INVOLVES THE FOLLOWING WORK ACTIVITIES: 1. THE CONTRACTOR SHALL OBTAIN ALL LOCAL AND STATE EROSION AND SEDIMENT PERMITTING REQUIREMENTS AND MAINTAIN ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS. 2. INSTALLATION OF PERMANENT EROSION AND SEDIMENT CONTROL MEASURES AS SHOWN ON THE PLAN AND DETAILS. 3. GRADING AND PLACEMENT OF FILL SHALL BE IN GENERAL ACCORDANCE WITH THE PLAN. 4. ESTABLISHMENT OF PERMANENT STABILIZATION OF ALL DISTURBED AREAS. ADJACENT PROPERTIES CONSTRUCTION MAINTENANCE THE FOLLOWING CONSTRUCTION MAINTENANCE PRACTICES SHALL BE FOLLOWED AT THE SITE. 1. ALL E&S CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAIN EVENT. ALL DEFICIENCIES IDENTIFIED DURING THESE INSPECTIONS SHALL BE CORRECTED AS SOON AS PRACTICABLE. 2. THE SILT FENCE BARRIER SHALL BE REGULARLY CHECKED FOR UNDERMINING, DETERIORATION OR SIGNIFICANT EROSION. SEDIMENT SHALL BE REMOVED AFTER EACH STORM EVENT AND WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHES HALF THE HEIGHT OF THE CONTROL. 3. THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL MAINTENANCE REQUIREMENTS SET FORTH IN THE CURRENT EDITION OF THE VIRGINIA SEDIMENT AND EROSION CONTROL MANUAL, OTHER APPLICABLE COMMONWEALTH OF VIRGINIA REGULATIONS AND THE PROJECT SPECIFICATIONS. 4. ALL SEEDED AREAS WILL BE REGULARLY CHECKED TO ENSURE THAT A GOOD STAND OF GRASS IS MAINTAINED. 5. AREAS WITH RIP -RAP SHOULD BE REGULARLY INSPECTED TO DETERMINE IF HIGH FLOWS HAVE DAMAGED THESE CONTROLS OR CAUSED EXCESSIVE SEDIMENT DEPOSITION. ALL AREAS SHALL BE MAINTAINED IN ACCORDANCE WITH THE REQUIREMENTS OF THIS E&S CONTROL PLAN. THIS PROPERTY IS BORDERED ON THE NORTH BY PROFFIT RD; THE EAST/SOUTH BY MAPLE GROVE CHRISTIAN CHURCH; AND TO THE WEST/SOUTH BY BRIGHT BEGINNINGS ENVIRONMENTAL CONTROLS PRESCHOOL. OFFSITE AREAS SOIL MAY NEED TO BE IMPORTED FROM THE SITE FROM SITES WHICH SHALL HAVE EROSION CONTROL PERMITS. SOILS THE SITE CONTAINS THE FOLLOWING SOIL TYPES: 12D - CATOCTIN SILT LOAM - 15 TO 25% SLOPES, HSG B 23B - YADKIN CLAY LOAM - 2 TO 7% SLOPES, HSG B 71D - RABUN CLAY LOAM - 15 TO 25% SLOPES, HSG B 79B - MEADOWVILLE SILT LOAM - 2 TO 7% SLOPES, HSG B 88 - UDORTHENTS, LOAMY - 2 TO 25% SLOPES, HSG D CRITICAL AREAS EROSION & SEDIMENT CONTROLS 1. SAFETY FENCE: A PROTECTIVE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL MEASURE. STD. AND SPEC. 3.01. 2. CONSTRUCTION ENTRANCE: INSTALL AND MAINTAIN A CONSTRUCTION ENTRANCE, AS NECESSARY, THAT MEETS THE REQUIREMENTS OF STD. AND SPEC. 3.02 AND CONFORMS WITH THE REQUIREMENTS OF THE EROSION & SEDIMENT CONTROL PLAN. 3. SILT FENCE: INSTALL AND MAINTAIN SILT FENCE THAT MEETS THE REQUIREMENTS OF STD. AND SPEC. 3.05. THIS SILT FENCE SHALL BE INSTALLED AS SHOWN ON THE EROSION & SEDIMENT CONTROL PLAN AND ACCOMPANYING DETAILS FOR THE PURPOSE OF INTERCEPTING SILT -LADEN RUNOFF BEFORE IT IS DISCHARGED FROM THE SITE. THE SILT FENCE SHALL BE INSPECTED AND MAINTAINED TO ENSURE CONTINUED PERFORMANCE. 4. TEMPORARY SEDIMENT TRAP: A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS FOR ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETTLE OUT. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. STD. AND SPEC. 3.13. 5. TEMPORARY DIVERSION DIKE: A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA WHICH DIVERTS SEDIMENT -LADEN RUNOFF TO A SEDIMENT TRAPPING STRUCTURE. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. STD. AND SPEC. 3.09. 6. TEMPORARY SEEDING: TEMPORARY SEEDING SHALL BE APPLIED TO ALL DENUDED AREAS WITHIN SEVEN (7) DAYS TO DENUDED AREAS THAT MAY OR MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. TEMPORARY SEEDING SHALL BE APPLIED IN CONFORMANCE WITH STD. AND SPEC. 3.31. 7. PERMANENT SEEDING: PERMANENT SEEDING SHALL BE APPLIED TO AREAS DELINEATED ON THESE PLANS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. PERMANENT SEEDING STABILIZES DISTURBED AREAS AND ENHANCES THE BEAUTY OF THE SITE. 8. MULCHING: APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL SURFACE TO PREVENT EROSION AND FOSTER THE GROWTH OF VEGETATION. ORGANIC MULCHES (STRAW) HAVE BEEN FOUND TO BE THE MOST EFFECTIVE. 9. DUST CONTROL: CONDUCT DUST CONTROL OPERATIONS NECESSARY TO MET THE REQUIREMENTS OF STD. & SPEC. 3.39 AS REQUIRED TO CONTROL SURFACE AND AIRBORNE MOVEMENT OF DUST. 10.INLET PROTECTION: INLET PROTECTION MEASURES AROUNF THE NEW INLETS SHALL BE PROVIDED IN ACCORDANCE WITH STD. AND SPEC. 3.07. SILT FENCE, STRAW BALES OR TEMPORARY STONE APPLICATIONS SHALL BE APPLIED AS APPROPRIATE FOR CURRENT GRADE CONDITIONS. 11.OUTLET PROTECTION: RIP -RAP SHALL BE PROVIDED AT THE OUTFALL OF CONVEYANCE CHANNELS, CULVERTS, AND STORM SEWERS IN CONFORMANCE WITH STD. AND SPEC. 3.18. OUTLET PROTECTION SHALL BE INSTALLED WITH ACCOMPANYING STORM SEWERS AND SHALL BE INSPECTED AFTER EACH RAINFALL EVENT AND REPAIRED IF NECESSARY. ANT SEDIMENT BUILD UP SHALL BE REMOVED. PERMANENT STABILIZATION AND SEQUENCE OF CONSTRUCTION THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED SEQUENCE OF CONSTRUCTION: PHASE 1 1. INSTALL CONSTRUCTION ENTRANCES AND INLET PROTECTION ON ALL EXISTING INLETS. 2. INSTALL SILT FENCE AROUND SEDIMENT TRAP 2 LOCATION. 3. INSTALL SEDIMENT TRAP 2 WITH TEMPORARY DIVERSION DIKES. 4. RELOCATE STOCKPILE IN SEDIMENT TRAP 1 LOCATION, THEN INSTALL STORM PIPES Al-A4 USING SILT FENCE AS PROTECTION. 5. INSTALL REMAINING SILT FENCE AND SEDIMENT TRAP 1. USE CAUTION WHEN DIGGING AROUND EXISTING UTILITIES - EXISTING STORM PIPES TO REMAIN IN THIS PHASE. 6. INSTALL DIVERSION DIKE TO SEDIMENT TRAP 1. 7. CALL FOR INSPECTION OF EROSION AND SEDIMENT CONTROLS. PHASE 2 1. BEGIN GRADING AROUND SEDIMENT TRAP 2 TO PREPARE FOR INSTALLATION OF RETAINING WALL. 2. INSTALL PORTIONS OF RETAINING WALL AROUND SEDIMENT TRAP AND BEGIN TO FILL BACK PARKING LOT AREA. 3. LEAVE EXISTING STORM PIPES IN PLACE WHILE PIPES Al-A5 ARE BEING CONSTRUCTED. DO NOT INSTALL INLET TOPS DURING THIS PHASE; INSTEAD KEEP MANHOLE BASES TEMPORARILY BLOCKED. 4. WHEN READY TO CONNECT A5 TO A5a, THE EXISTING OUTLET PIPING MAY BE REMOVED. NOTE THAT OUTLET CONTROL EXISTS IN STRUCTURE A5a WHICH MUST BE REUSED OR RECONSTRUCTED FOR NEW PIPE OUT. 5. BEGIN MASS GRADING FOR NEW BUILDING AND LOWER PARKING AREA. PHASE 3 1. BEGIN CONSTRUCTION OF NEW BUILDING, THEN PLACE FILL FOR SERVICE RECEPTION RAMP. DIG OUT DETENTION POND DURING THIS PHASE IF EXTRA FILL IS NEEDED. 2. KEEP NEW INLETS COMPLETELY BLOCKED UNTIL TRAVELWAYS ARE STABILIZED WITH STONE. THEN ADD INLET PROTECTION. 3. KEEP SEDIMENT TRAP 1 IN PLACE UNTIL UPSTREAM SITE IS STABILIZED, THEN REMOVE TO FINISH PARKING AREA. 4. ONCE ROAD CONNECTING TO PANTOPS CORNER WAY IS BUILT, IT MAY BE USED AS A CONSTRUCTION ENTRANCE. 5. ONCE PIPE El-A3 IS INSTALLED AND UPSTREAM AREA IS STABILIZED WITH STONE, INSTALL DIVERSION TO DIRECT WATER TO INLET El. 6. REMOVE SEDIMENT TRAP 2 AND FINISH RETAINING WALL AROUND SEDIMENT TRAP 2 AREA. 6. ONCE FRONT BUILDING IS COMPLETE, INSTALL NEW MIDDLE ENTRANCE TO SITE. PHASE 4 1. REMOVE SEDIMENT TRAPS AND FINISH PARKING AREAS. 2. APPLY PERMANENT SEEDING TO ANY DISTURBED AREAS & LOW MAINTENANCE GROUND COVER TO ANY SLOPES 3:1 OR STEEPER. 3. INSTALL NEW PARTIAL ACCESS ENTRANCES. 4. ONCE ALL WORK IS COMPLETE, REMOVE INLET PROTECTION. 5. CALL FOR FINAL INSPECTIONS. 1. CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL ENVIRONMENTAL CONTROL MEASURES SO AS TO COMPLY WITH LOCAL ORDINANCES, STATE AND FEDERAL LAWS AND REGULATIONS APPLICABLE TO WATER POLLUTION IN WATERS OF THE STATE AND IN INTERSTATE WATERS. 2. CONTRACTOR SHALL MINIMIZE THE POTENTIAL FOR AIR POLLUTION BY THE USE OF EMISSION CONTROL EQUIPMENT ON CONTRACTOR OPERATED EQUIPMENT, SHUT -DOWN OF MOTORIZED EQUIPMENT WHEN NOT IN USE, AND ACTIVELY CONTROLLING DUST EMISSIONS THROUGHOUT THE PROJECT. EROSION & SEDIMENT CONTROL PERMITTING CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL LOCAL AND STATE EROSION AND SEDIMENT CONTROL PERMITS AND MAINTAINING ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS. GENERAL NOTES 1. THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO THE EXISTING UNDERGROUND UTILITIES AT OR CONTIGUOUS TO THE SITE ARE BASED ON INFORMATION AND DATA FURNISHED TO THE OWNER AND ENGINEER BY THE OWNERS OF SUCH UNDERGROUND FACILITIES OR OTHERS. THE OWNER OR ENGINEER SHALL NOT BE RESPONSIBLE FOR THE ACCURACY OR COMPLETENESS OF SUCH INFORMATION OR DATA. THE CONTRACTOR SHALL HAVE FULL RESPONSIBILITY FOR CONFIRMING THE ACCURACY OF THE DATA, FOR LOCATING ALL UNDERGROUND UTILITIES, FOR COORDINATION OF THE WORK WITH OWNERS OF SUCH UNDERGROUND UTILITIES DURING CONSTRUCTION, FOR THE SAFETY AND PROTECTION THEREOF AND REPAIRING ANY DAMAGE THERETO RESULTING FROM THE WORK. ALL OF THESE CONDITIONS SHALL BE MET AT NO ADDITIONAL COST TO THE OWNER. THE CONTRACTOR SHALL CONTACT "MISS UTILITIES" OF VIRGINIA AT 1-800-552-7001 PRIOR TO THE START OF WORK. 2. WHEN WORKING ADJACENT TO EXISTING STRUCTURES, POLES, UTILITIES, ETC., THE CONTRACTOR SHALL USE WHATEVER METHODS THAT ARE NECESSARY TO PROTECT STRUCTURES FROM DAMAGE. ANY DAMAGE CAUSED BY THE CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE THE CONTRACTOR'S SOLE RESPONSIBILITY TO REPAIR OR REPLACE. THIS EXPENSE IS THE CONTRACTOR'S RESPONSIBILITY. 3. REPLACEMENT OR REPAIR OF DAMAGED STRUCTURES SHALL BE AT THE CONTRACTOR'S EXPENSE. 4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING SITE STRUCTURES FROM DAMAGE AND COORDINATING WORK SO THAT THE OWNER CAN MAKE NECESSARY ARRANGEMENTS TO MODIFY/PROTECT EXISTING STRUCTURES FROM DAMAGES. 5. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING ALL UTILITY OWNERS, ADJACENT LAND OWNERS WHOSE PROPERTY MAY BE IMPACTED AND THE VIRGINIA DEPARTMENT OF TRANSPORTATION PRIOR TO COMPLETING ANY OFF -SITE WORK. 6. CONTRACTOR SHALL NOTIFY AND COORDINATE ALL WORK INVOLVING EXISTING UTILITIES WITH UTILITY OWNERS, AT LEAST 72 HOURS PRIOR TO THE START OF CONSTRUCTION. 7. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). 8. THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL BOUNDARIES, BUILDINGS, VEGETATION, AND OTHER PERTINENT SITE ELEMENTS. CONTRACTOR SHALL IMMEDIATELY REPORT ANY DISCREPANCIES BETWEEN EXISTING CONDITIONS AND CONTRACT DOCUMENTS TO THE OWNER AND ENGINEER. 9. CONTRACTOR SHALL SUBMIT FOR THE APPROVAL OF THE OWNER SUBMITTALS OF ALL SPECIFIED MATERIALS LISTED IN THE PLANS, TO INCLUDE SHOP DRAWINGS, MANUFACTURER'S SPECIFICATIONS AND LABORATORY REPORTS. THE OWNER'S APPROVAL OF SUBMITTALS WILL BE GENERAL AND WILL NOT RELIEVE THE CONTRACTOR FROM THE RESPONSIBILITY OF ADHERENCE TO THE CONTRACT AND FOR ANY ERROR THAT MAY EXIST. 10. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL NECESSARY PERMITS, INSPECTIONS, BONDS, AND OTHER RELATED ITEMS IN ACCORDANCE WITH LOCAL AND STATE POLICY. STORMWATER MANAGEMENT NOTES: 1. STORMWATER ON SITE IS ANALYZED AT FIVE DIFFERENT POINTS OF OUTLET. THE MAIN POINT OF ANALYSIS IS POA 1, WHERE A DETENTION POND COLLECTS RUNOFF AND RELEASES IT AT A RATE WHICH COMPLIES WITH CHANNEL PROTECTION REQUIREMENTS OF 9VAC25-870-66-B(3). THE RUNOFF FROM THIS DRAINAGE AREA IS RELEASED INTO A MAPPED FLOODPLAIN, MEETING FLOOD PROTECTION REQUIREMENTS. ALL OTHER DRAINAGE AREAS TO THE VARIOUS POINTS OF ANALYSIS MEET BOTH CHANNEL & FLOOD PROTECTION REQUIREMENTS AS THEY EITHER SATISFY THE ENERGY BALANCE EQUATION WITH AN IMPROVEMENT FACTOR OF 0.8 OR ARE RELEASED TO A MANMADE CONVEYANCE CHANNEL WITHOUT CAUSING EROSION OF THE SYSTEM, AND THEIR POST DEVELOPMENT 10 YR, 24 HR STORM PEAK FLOW RATE IS LESS THAN IN PRE DEVELOPMENT CONDITIONS. 2. WATER QUALITY WILL BE ADDRESSED BY PURCHASE OF 2.59 LBS NUTRIENT CREDITS TO MEET THE VRRM REDEVELOPMENT NUTRIENT REMOVAL REQUIREMENTS PER 9VAC25-870-63. 3. DETENTION POND COORDINATES: • (38.0355706,-78.4510122) MINIMUM STANDARDS (MS) All applicable Virginia Erosion and Sediment Control Regulations and Minimum Standards shall be adhered to during all phases of construction. These include, but are not limited to the following: 1. STABLIZATION OF DENUDED AREAS: Permanent or temporary soil stabilization shall be applied to bare areas within seven days after final grade is reached on any portion of the site. Temporary soil stabilization shall be applied within seven days to denuded areas that may not be at final grade, but will remain dormant or undisturbed for longer than 14 days. Permanent stabilization shall be applied at areas that are to be left dormant for more than 1 year. 2. STABILIZATION OF SOIL STOCKPILES: During construction of the project, soil stockpiles shall be stabilized or protected with sediment trapping measures. The applicant is responsible for temporary protection and permanent stabilization of all soil stockpiles on site as well as soil intentionally transported from the project site. 3. PERMANENT VEGETATIVE COVER A permanent vegetative cover shall be established on denuded areas not otherwise permanently stabilized. Permanent vegetation shall not be considered established until a ground cover is achieve that, in the opinion of the county Inspector, is uniform and mature enough to survive to inhibit erosion. 4.TIMING & STABILIZATION OF SILT TRAPPING MEASURES: Sediment basins and traps, perimeter dikes, sediment barriers and other measures intended to trap sediment shall be constructed as a first step in any land disturbing activity and shall be made functional before upslope land disturbance takes place. 5. STABILIZATION OF EARTHEN STRUCTURES: Stabilization measures shall be applied to earthen structures such as dams, dikes and diversions immediately after installation. 6. SEDIMENT TRAPS AND BASINS: A sediment basin shall control surface runoff from disturbed areas that is comprised of flow from drainage areas greater than or equal to three acres. The sediment basin shall be designed and constructed to accommodate the anticipated sediment loading for the land disturbing activity. The outfoll device or system device shall take into account the total drainage area flowing through the disturbed area to be served by the basin. 7. CUT AND FILL SLOPES: Cut and fill slopes shall be designed and constructed in a manner that will minimize erosion. Slopes that are found to be eroding excessively within one year of permanent stabilization shall be provided with additional slope stabilizing measures until the problem is corrected. & CONCENTRATED RUN-OFF DOWN CUT OR FILL SLOPES: Concentrated runoff shall not flow down cut or fill slopes unless contained within an adequate temporary or permanent channel, flume, or slope drain structure. 9.WATER SEEPS FROM A SLOPE FACE: Whenever water seeps from a slope face, adequate drainage or other protection shall be provided. 10. STORM SEWER INLET PROTECTION: All storm sewer inlets that are made operable during construction shall be protected so that sediment -laden water cannot enter the conveyance system without first being filtered or otherwise treated to remove sediment. 11. STABILIZATION OF OUTLETS: Before newly constructed stormwater conveyance channels are made operational, adequate outlet protection and any required temporary or permanent channel lining shall be installed in both the conveyance channel and receiving channel. 12. WORK IN LIVE WATERCOURSES: When work in a live watercourse is performed, precautions shall be taken to minimize encroachment, control sediment transport and stabilize the work area to the greatest extent possible during construction. Nonerodible material shall be used for the construction of causeways and cofferdams. Earthen fill may be used for these structures if armored by nonerodible cover materials. 13.CROSSING A LIVE WATERCOURSE: When a live watercourse must be crossed by construction vehicles more than twice in any six month period, a temporary stream crossing constructed of nonerodible materials shall be provided. 14. APPLICABLE REGULATIONS: All applicable federal, state and local regulations pertaining to working in or crossing live watercourses shall be met. 15. STABILIZATION OF BED AND BANKS The bed and banks of a watercourse shall be stabilized immediately after work in the watercourse is completed. 16.UNDERGROUND UTILITIES: Underground utilities shall be installed in accordance with the following standards in addition to other criteria: o.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 for dewatering operations shall be filtered or passed through approved sediment trapping device, or both, and discharged in a manner that does not adversely affect flowing streams or offsite property. d.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. 17.CONSTRUCTION ACCESS ROUTES: Where construction vehicle access routes intersect paved public roads, provisions shall be made to minimize the transport of sediment by vehicular tracking onto paved surfaces. Where sediment is transported on to a public road surface, the road shall be cleaned thoroughly at the end of each day. Sediment shall be removed by shoveling or sweeping and transported to a sediment control disposal area. Street washing shall be allowed only after sediment is removed in this manner. This provision shall apply to individual lots as well as to larger land disturbing activities. 18.TEMPORARY E&S CONTROL MEASURE REMOVAL: All temporary erosion and sediment control measures shall be removed within 30 days after final site stabilization or after temporary measures are no longer needed, unless otherwise authorized by the local program authority. Trapped sediment and the disturbed soil areas resulting from the disposition of temporary measures shall be permanently stabilized to prevent further erosion and sediment. 19. ADEQUACY OF RECEIVING CHANNELS: Properties and waterways downstream from the development site shall be protected from sediment deposition, erosion and damage, due to increases in volume, velocity and peak flow rates of stormwater runoff for the stated frequency storm of 24-hour duration. SHIMP ENGINEERING LAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT Design Focused Engineering 912 East High S1me1 Phone: 434-227-5140 Chatlottesmile, VA 22902 shimp-engineenng.wss SL' �L' SHIMP > No. 4518so It Z, w4 Off, R4sSlnust VSMP PLAN ALBEMARLE COUNTY, VIRGINIA 1300 RICHMOND ROAD - FLOW AUTOMOTIVE SUBMISSION: 2020.06.02 REVISION: 01) 2020.10.22 02) 2021.02.02 FILE NO. E&SC NARRATIVE SHEET C5 OF 15 19.078 C5 3 - --- SEQUENCE OF CONSTRUCTION - PHASE 1 X ..��'vc� \ ` ` 60 '' `\ --- ma�tat ='.. --- ❑❑❑❑ .� �� k\\ \\ �� '\� ,.00 YR FLOODPLAIN _ ' \\�-__- ----__ -----� ��"------�-�-- \ 1. INSTALL CONSTRUCTION ENTRANCES AND INLET PROTECTION ON ALL �� ! —--------' /, - _ -- EXISTING INLETS. �• \ \ \ MITS OF DISTURBANCE / 2. INSTALL SILT FENCE AROUND SEDIMENT TRAP 2 LOCATION. NOT TO ENCROACH ON _ \ \ \-PRESERVED-SLOPs -- 350 3. INSTALL SEDIMENT TRAP 2 WITH TEMPORARY DIVERSION DIKES. w 4. RELOCATE STOCKPILE IN SEDIMENT TRAP 1 LOCATION, THEN INSTALL \ \ STORM PIPES Al-A4 USING SILT FENCE AS PROTECTION. \� A \ �� v v\ • ------ / F �.� �� ---� \ \ � - -� 5. INSTALL REMAINING SILT FENCE AND SEDIMENT TRAP 1. USE CAUTION v x v \ \ \ \ \\ o— LAB= — — —350- - �, - WHEN DIGGING AROUND EXISTING UTILITIES - EXISTING STORM PIPES TO II �: TOP DRYSTOAGrt3s4 �� A+� vv ` . ` a� J o°p' _ _-� - REMAIN IN THIS PHASE. TOP WET STORAGE V A mil' _ 1 '- / I BOTTOM 28'x,a' 0379 \ \ �� .-•-_ -� --.� - �♦ J/ I -' ��, 15CMP ----�` - 6. INSTALL DIVERSION DIKE TO SEDIMENT TRAP 1. ON Ex. DI ! -__. Inner - _ ---_ 7. CALL FOR INSPECTION OF EROSION AND SEDIMENT CONTROLS. To. F•� F UND: // Y --- A �, �� \ \ �•• -- - P.� 2 — ,�•x,_ _360- 110 11 BERM�! ^/ SOIL EROSION & SEDIMENT CONTROL SYMBOLS \ \\ \ \ IVI� T. M, 78 7 1 I \ SYMBOL N0. TITLE KEY \ \\ �/ A \ \ ♦ - _ !� 5 . 5 9 A C A J D O J O V C U �- " �- A \ _5 /' / /' " 3.02 CONSTRUCTION ENTRANCE CE 7 - �// /' X X 3.05 SILT FENCE SF QO-_----------- / V E 3.07 INLET PROTECTION DA \\\\ A -A� -_7 ��"� —��,�♦ (M� ! _ OVERLAPS--OR-GAPS) \ 1 I-�//////i ® 3.09 TEMPORARY DIVERSION DIKE �D _Ii -� `�� —370 �' FLOW 1300 RICHMGND 22—_/' 313 TEMPORARYSEDEESIONTR P 370 i _ -� -�_� I----D-,�5272-714 \ ]'`"'. / i////�� LDRAWN TO SCALE] ,I TEMPORARY SEDIMENT A ST / � N A / - ■ O / EX. STOCKPILE SILT FENCE T \ ♦ \ \ \ \ \ \ \ - _ � r D . B . 1 1 6 8 — 5 4 6 , D. • B • 4 40 — 2 PEA / / /' � / /'/ 3.31 OUTLET PROTECTON ---_-- --� � /� 3.31 TEMPORARY SEEDING TS _-"---------- ® -REM IN UNTIL STOCKPILE IS \ ♦ \ \ -- _ / / //// ' 3.32 PERMANENT SEEDING S P / D. 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VA 22902 skimp-engineenng.wm D EX. . . . + + �+ 10 � I � is v 'L --BA •t s•.I s I� I�. ? II l SHR SIB �vII� ;EX. BOLLAPCSo BS�_C....TBR 402 r i BEN IARK� ■ MAG NA L 5 T ■ ELL VAT IO =42 .08 T.M. 785A STOPS CORNER, LC D.B. 4358-684, 688 PLAT ZONED: HC -+ � + + + + + + + +4`�� OLLY + + + + + + + + + + T-- ■ + �. .�..�. .�.. +++ + +++ + +++ + +++ + `S I��I ++++++++++++, �, 4d6,1 �, I� / + + + + + + + + + + + + + + I I s I / It +v + \ +4++++++++++++� \ SHIMP + + v+ + + + + + + + + + + L' . No. 45183 i + + + + + + + + + + + + + + + + + �++/ _ I I I I ■ v�vo r \ s OMB J + + + I f 1 + EX. v + v ---_ + + +\+ + + +i- - �...� .�.� I ■ SHRUBS +\+ 1 ,EX+ Wfi+- LP EX. LP EX. LP E X'I P ■ 1n + + +vF + +f�1� + AI / __ / 0 o— o— J U p EX DI TOP TO k +++++++++++Q++ - I oP LP +++ +++++ +�� --- i 1 i VSMP PLAN hF' + + + + + + + + + / GN , R L ®TgR /+ / ALBEMARLE COUNTY, VIRGINIA ,�+�N+++�++_ 1300 RICHMOND ++ + + 41 ++LPlER4)++* EX. ONE STORY \ a + + +\ / Ir / F � STUCCO SEX. MH - ' -____Q + + + + & BLOCK BUILDING I N I ; + $TQP+ +s+ + ROAD -FLOW oP ; x =+4,a `�.;' ��+,�*��,, -_ AUTOMOTIVE + +\+ + + + + + ■ (8 X x � + + R GM E ALP hX. �' k _ X, O EX DI MAPLB X.P TBJR 5" +++*+�+*+*+* J�+ �.. ' RE R +� ■ �� SUBMISSION: ^, 15 ...E • +I N \ E) j / o ++++++`+" ++`+++ I II t TRANSFORMER+- v ORTION OF BUILDING TB 2020.06.02 X x +++ +. � + TER ++ \ HRUB . . . . + . + _ - + +' ++ EX. +++++++++ --- ++ .-, X. REVISION: + . + + . + + . + + . + SHRUBS I } . + + . + TR + + + + X DRAIN TBR , + + + + + + + + ./ / v r S - . . TBR EX. I 0+ . . . . . . + + + + + + + + + + + + + + + I z + + + + + + + + p 01) 2020.10.22 i EEP INLETS +� 0 + + + + + + + +++ +++ + + + + H1H8 X. 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ROUND TG, // + \\ —Gtl SLOPES �3 x X + + + +---^_---- F + + + ++ EXISTING PLACED FILE NO SHRUBS - , + + + �Ei 0 0 J ANAGED Ir o _ ac s p i + + ��+ - - - - - - - - - =z 4------------- �.� - N TB _ X.MENT TO AINOT TO ENCROACH ++++++++++++++++ + + + ++ + �+ + + � G PARKING � + + + + + + + + + + + + + + + „` ' SPACES TO E6QAASIG _ , + + + + + + + + + + + + + ♦ � / 19 078 y—_ — - Y Y _-------_ + + 4 Q + + + + �� +-.-Y� ^�s cas -cns—r wsrc + + + + _ E&SC PLAN PH 2 PC _E---- ---- _ _ --- + + + dcu �*vcu� -- w d.. .` _�EAK�TREFD EEEX. p ♦t11,1 H OH _ / AAA ucu ucu ucu uc �u u1G ■ I\ , - - - ..; .. .-.. ?;N$9'3S'y6:,' cu E+++ j-iI -- EE X N H K12��,1�/IBUR�1t�1M ■ �� Nosy // / ■ /� SETNOIOINT TBIR �1 OAK % AK TREE OAK TREE OAK TREE, c W �• _ / fix` SHEET C7 OF 15 4cw' , VAULT SG (- _ / 30 30 60 90 ■ Scale: 1"=30' C7 r x 19' 360 �- -- ---�" : ��rmIX-X x =-X x -/= - __- SEQUENCE OF CONSTRUCTION - PHASE 3 '-- ----- --'� �' �-- 1 BEGIN CONSTRUCTION OF NEW BUILDING THEN PLACE FILL FOR SERVICE MITs of Dls 4s TOP OF 6' DAM 346 __ — — — — RECEPTION RAMP. DIG OUT DETENTION POND DURING THIS PHASE IF EXTRA FILL // / - I o _ / ao o \\ DY 3o.@E REn�ovE� \ NOT To oncs IS NEEDED. UNTIL TRAVELWAYS ARE STABILIZED __ � __ _ _ __ — 350 2 KEEP NEW INLETS COMPLETELY BLOCKED o SF 40 ------ WITH STONE. THEN ADD INLET PROTECTION. 4l-IRAS RISE --- HEN REMOVE TO FINISH PARKING _ _ - _ 3 KEEP SEDIMENT TRAP 1 IN PLACE UNTIL UPSTREAM SITE IS STABILIZED AND POND �y TRASB-RAG - C � / �� - DOWNSTREAM DETENTION POND IS COMPLETE, N E LASA7�RIP RAP -- -7 _ S TE, T 0 \ �° TI R CHANNE- - --- - _ \\ � � \E � \ OUTLET oF->=1�. _. � —_ AREA. _MAX.ExTEN ° SN NOK D 350- — ♦ / �.s' MINIMUM wIDTH� -r_-_ O,_ ��-- _ 4. ONCE ROAD CONNECTING TO PANTOPS CORNER WAY IS BUILT, IT MAY BE _L40'- -_-- _ USED AS A CONSTRUCTION ENTRANCE. 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SALES c E 470 NEW SALES _--- i �' BUILDING BUILDING % TO REMAIN FFE06.0 _ fN \ --_\- I $TneluzEDAPL / / _......20 \ \ 20 \ ♦ BLOCKED UNTIL W 4 'i HAND AIL42 ,� _ PIS REMOVED. I / i i ' i SHIMP ENGINEERING WALL /MA HEIGH AIL / /■ BEE 406.77) QX \ I SERVICE TI NEW PVGABI STABILIZED. TRA aNaE SITE I$ / / I / 1 / rLAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT AL L \ / FFE 420.77 y 19 R x / 1 / —�� o \\ / / / 1 / 1 Design Focused Engineering SE YI E \ aD\ Im RELF�PTION \�T�V 15. ---� 5 ��>GSANITARY WITH -�\ \ X i O1:p n EC P IO I �� \ HEIGHT 0' _ 0 p I 'C)`Z OR`NEW C/O �s•� - dvIPSTE / I / I 912 East High Sln;e1 Phone: 434-227-5140 \ �� -- - vim �s I n, - �AD` �• \ M 6 - - S s _ Chanotlesville. VA229o2 skimp-engineenng.com ..,_...2�.. 30 =0 CdV�6" SDR-5 LATERAL' ! I -- _ D � MAX. HEIGHT 30' _ Ir r>EX. B., ARDS MIN. SLOPE s �° �� 470 ♦ i��i ' T'_ BENC MARK: ■ -� 2 1 I ♦ C�Oi 1�� -�— MAG NA L S T ■ -1 I S A ECD Lfi IIO -42 .08 � �. �.. .. .�.. .. .9 A 1 ♦ CURB MAX HHT� �5' PROVIDE 4" CURB � ! -----� v / / 1 / / / > ABOVE TOP of \s ` / SHIMP \ v L' . No. 45183 ,�' PkYEMENT. BUI / I -v � NEW As��NM ' � z v � � � � � �, vv � � E LDING Al 4 �� \ �\ EXISTING 2 Z I zi w / I ,� ., v� � °° � � � � � � v s _ FFE NG SERVICE . 12 0 v ER VI / 1 StoN.e,< 12 �9 ! ! C/o APPROX 404 BS 2 V 12 ' \ r � 3 X� X � v TO REMAIN ��`---- I // I / LP Ex. LP ■ 9 ' v 0 o— FX-� EX. ■ 12 c/o, y2 �/ aaH4 v --- v M / T.M. 78 5A — TO 9 / T I i 1 / / / D1 14 40 / I 1 / STOPS CORNER, LC f )TT o / 14 1/473 --- __ i VSMP PLAN D.B. 4358-684, �____ F y BUILDING/ ALBEMARLE COUNTY, VIRGINIA A) ' 14 / �473 ' EXISTING SERVICE �'� i r'/ v ' 688 PLAT / / / �� ;� / / y s° FFE APPROX 414.75 EX. MH - y i 1 i I 1 300 RICHMOND ZONED: HC ��' /// ^� �� _—— � / — 16 TO REMAIN _��? ROAL) - FLOW o .� 1 �SIGN■ 0 A _ -414 9 FG I X 14'� AUTOMOTIVE _____ _ r` rEl ALP EX. LAP EX L EX DI MA LB �C ° �62° i 11 s - ".I o— { s o sERVIc �� SUBMISSION: / .� €'\ RECEPTI 2020 06 02 / 0 .. �..�.. I6 / oo I s -_- / a 5 § : \ REVISION: 15'° L ----� BUILDING A3 OARED -- \ 16 — NEW OFFICE / / v 01 2020.10.22 s, B p NEW 30' SWM ,�.♦�. NEW 10' SWL A CES NEW 6" SDR-35'1''z SALES SPACE �— BUILDING q4 „ �9� // / �02 2021.02.02 �� r,. BUILDING I i EASEMENT � i - � � ��. €EAS MENT ATERAL PRONTO LDING FFE NEW PORSCHE \\ 17 FFE 417.00 417.00 J SALES BUILDING 191 X. � 3' MIN. COVER oo / / MIN. SLOPE MPP�OXI1ATEMoCMnON GF>v A \ \ \ \ \,, SIGN v A 15� ® _ -- FFE 419.50 NT3AL LEP'LONLI COOPAN`Y GF ii \ ♦. 'a t—_----- , / / " VI GINI EA EME T ( ♦' - w NEW DI-7 3' " x i♦ 15" CON 6 �Y _PO (LP EX. LF EX. LP LP FH 3 / 1 z 16R0 x ISo 16�' '' a i 19'0 �x19'0 L 16 �, S DES o— s OF ANAGED. ■ / II X _ V HD E �cns 7cns �-10 '/ ,$ NIOTTTO ENCROACH ONE _ 1961 X / 1♦/ / N,L6/ // FILE NO. o EXISTING PARKING 30 / / 0 0 / 3 X _ �,��.� � 20 --------------- ----- - x — X \ � ,��, 1 g ^ Ex SPACF�C� TO REMAIN �♦� / L / 19.078 = z _ a_ — _ - ip.... �� -- ------------ _470 lV ■�..s Kcas—ons—ws—cns—cns t19eEx _ _ �__ _ E&SC PLAN PH 3 E ---- - _ O ---- - HU ucu—vcu0 c uw ucu �ocu°H ucu—uc ° _ 3NE T ,� \ \ I:a o 20 i// ojM / // I`/ w —use- ucu-=-£�f- .. :. . ,, .,,, ... . J .. � U UGU �QGU �' 38'46" v. 'uGu� �OF414---------- UTILITY , —UGG C J IIGFf� gppR ji / / i j/ jj / / / / // jj / / ji jj / / C MBINED EA —ucu - OHIJ /" / SHEET C8 OF 15 COMBINED UTILITY EASEMENT / ! _%' ! % % i ! / / j ! / / j ! / / j I FO VEPCO, CENTEL & ACSA ■ i . uFu • ucu FOR VEPCO, CENTEL & / "� ��'�" I D.B. 1168-546)I ♦ / . 30 30 60 90 C / / APPROXIMATE LOCATION OF NINGT ( I j / j /j / j /j // �.� ASCA / / I ILL & OVERLAY APPROX. / j / / / (D.B. 1327-145) / WATERLINE EASEMENT ILL & OVERLAY APPROX. o I 1,648 SF PER WP-2 MILL & OVERLAY APPR!ji - (P.B. 1549-598) 537 SF PER WP-2 y ` @70 SF PER WP-2 0 .�_ W„ Scale: 1"=30 ,, .-, \ \ , .�„!, + >t-� �_ ,>_ ,_ _ SEQUENCE OF CONSTRUCTION PHASE 4 ❑ ❑,❑ ❑ , ♦ W MAINTENANCE GR�UN \ \ �. . �'4#k' \� O / , �,/ \ ` _ ` - \ - _ - - - - - - - - - - - ♦ vE�sLOPEs 3:T�R \ x ��44 ---- _ — ----- ` 1. REMOVE SEDIMENT TRAPS AND FINISH PARKING AREAS. 01"STEEPER�(LOW GROW � \ ` \ - - ` _ _ _ - _ N - _ - - - - _ MITsoFDls as TOP OF 6' DAM 346 ' / —___ _ _ 2. APPLY PERMANENT SEEDING TO ANY DISTURBED AREAS & LOW / a° o w \\ \ — NOT TO OACH qq / , — — _ _ _ . MAINTENANCE GROUND COVER TO ANY SLOPES 3: 1 OR STEEPER. _ -- \ `PRE 350 3 INSTALL NEW PARTIAL ACCESS ENTRANCES \ \ \ APPROX 5, o sF N \ — �— — _y -- ---- 4. ONCE ALL WORK IS COMPLETE, REMOVE INLET PROTECTION. 48" CONC. RISE _ _ _ \ - TENTION POND c ' _ --� 5. CALL FOR FINAL INSPECTIONS. a! / m.-•.--T� - - ---� `- - gG- - v \ 2v , - LASSTLET r_ 19 \ \ �_ _ _ ' T OUTLET OF'1=1P.� --, - - N 350- ♦/ /.5' MINIMUM WIDTH ` I � \ ♦, - LENGTH / \ \ ` \ ♦ NEW 10, SWM -- -� ON II / \ �V oiw, �� v V \ �� - - '` ♦ ��. ACCESS EASEMENT EXD�f�-��.�-,-ter- ��-ter__, F UND. / - 5-PERM NT-CON�TRU ION , , , _ _ -46_ / I GRADI EA \ \ \ \ \ \NEW SWM EASE f / - - - - - EX. DI I�-_'' (D.B. 4553- 3) 96 \ `, \\ \9�° \ `3j0 \' \� \ - -50- v /; - - -360 56N , �� — — - '�361 -2 11 / LAT) SOIL EROSION 8 SEDIMENT CONTROL SYMBOLS \ - SYMBOL N0. TITLE KEY NEW 42'• \ 3 ` \ DE A 0 A E ID RBAACTE 6� /^ -I.� \ -- -- h \ \ OP \ •R V a_ - -_ -_ - --- / HANDRAILS — 8 \ T \ \ \ \ \ ———ID,%G - _- __ __ __ __ -- -- - / \ \ / / 3.02 CONSTRUCTION ENTRANCE CE 60 o C I\ I NEWS R-2� � v v v v v v � --- - ♦ ro - - -- - V / / / -CONNECT TO A - c2 v \ LQW MAiNTECEvGROUND - - �.* - - - - - - - - - - - -- V A 5 / �/' X X 3.os slLr FENCE sF \ \ \ QyER SLOPEg 3A OR — — , — — — — �c /� — - - - - _ _ - _. - - - — — — — J / / / / /' 3.07 INLET PROTECTION IP I x _ ERDM-SED2001 9 \ \ 'so \ \ \,STEEPER\(LOW\ 0 1 _ �-� - — — ``r ♦ -r.� \ I - \I / / / ® O ¢ ; , I FRAGRAN \SUMAC)\ _ \ 7 �'- MN L ,----.- — 1 i / / 3.09 TEMPORARY DIVERSION DIKE &D —370 \ ------ --- - - // / / S� ` V A \�� \— �� ♦ ot�2 �� - _ / �' / / // / 3.12 TEMPORARY DIVERSION / \ 3g° �0 [DRAWN TO SCALE] ____ _ - � O � \ 11 — � — / \.' ,� / 3.13 TEMPORARY SEDIMENT TRAP ST � � � //// �1 v\o v --■ ___' - - -- -------------- _ 3.18 OUTLET PROTECTION OP III �. / — ` ♦ \ ` \ — — —------- 3.31 TEMPORARY SEEDING TS AP AT Z — \ \ \ /% j / / / /'/�/ 3.32 PERMANENT SEEDING I-- 1 I SAN MH NEW GR-2 - _ - - - m■ 1 / / / / M 3.35 MULCH / - ` - _ - �380 M WIDTH �g _ / / / / /� p \ ' — I \ I 3.39 DUST CONTROLEX. SAN MH C / / I 9 /� 6 O �$ - _ M �D - 1 "\�-///// IN LIMITS OF DISTURBANCE 93 Al —370� 97 / y G NET — — — — -- — \ \■� EX. ONE '— • . • '•.: , • : � 6' V✓ wA// _ _ _ RESERVED- - � STORY ND D — — — •_ sLDPEs is 1 & BLOCK BUILDINGAL 02 x 91 Hq RAIL — — — \ t+. ♦— L — I Al w w 3 a 3 �• 0 6w — — — 1` #1290 03 1 — --- ----- _ ---- _y--■ —_x-x----- OW MAINTENANCE GROUND x - , _ ■ _ _ - _ _ _ /L 6 _ _ _ - - - \ \ tz -OO SLOPES G OR 4a ♦ - f _ - / / / I - - - - x \ STEEPER OW- G69� 02 - - \ ■ \ / 1 / / / / / 1 p Ok FRAGRANT SUMAC) CONC. AX. HEIGHT 4 Q \ `----�■ _ --- - - _ -- /\- -- SEG W/ 42- ANDRA -- \ 96 x 4 l g O 2 0— -- -- — — ,� I c 3 — _ — — 5 05 k RE ' / n ; 1 O6 \\6 3 AN r�032 �s 5 5 DEWW�C12-s-Fy._rT' - cas_x'�-o-s�oas—c +� DRR� --= .. �- /1 \ r ANAG€D i D 1 O - 7 01u N�V Q/ ,��.:� NEN�' 10' SWM-Q�„`__I . �. _\ \- / >/ // / / / Il �- \ SLOPES -N 00 o I 1 10ESSE ' / / /-410, J EX. M .�W �w - -- --_ 04 07 _ X. 0 E 1 — --- _ A �_ -x- x --e x_— ® / its _ - - x- �--X-'N'�\—\1�=--_�/ G... 3� ¢ w3 Ro Ro _ ao — _ — ! x — _ moo. / Z h Ru � Sao 4 `n i X= X i f / / / 'I �. J31J-701 , NEOJ�TAIRS / 10 __ Rc _ _ ---- 'RD-- ---- — _ - --- - - �ol '27) 6" RISERS - — — — - ---- ---- --_- _ — rF 07 P T __--_0 _ N,/ ,,� _ __ __ I / — _ _-- _ 40 ♦ 40p— _ _ _ rtI fF�'�, \\ 25 4 ---'- �, _x —X -._x c -/ I I �{�fU:I�E� / - - - _ - / �'C,,6 / BATTERY BAIT ------ --� x — —x -- - - - J X. M I I I I / '- - - ----- - 1 ... B U I L U 'PI G B - - I ER Y ----- N\ --- _ x _� — - M �/ / ■ / 1630 1 o Q ti STORAGE STORAGE -------------------------- SEGMENT AL LOCK / ■ / EX. SALES C E - — NEW SALES l - p m \ BUILDING BUILDING /' ET., TO REMAIN \ �` 4jO FFE 416.6Y� N — _ \, r , �' a WALLBMAIIHEIGH a/ /. 2079 , I -- 20 v, `� i i i SHIMP ENGINEERING W/ 42 HAND AIL ■ FFE 420.77 \ �� — 10 fjLAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT / BFE 406.77 0x \ }lo - SERVICE N Des FocusedEngineering SE VI E RELF�PTION �T�V 15L'o U A As v A / / I / I sin --"NJ 15.5♦ U- - "� X 912 East High Stmet Phone: 434-227-5140 �> .1 EC P 10 \ jo \ HEIGHT --_ O� ,� - - - - lQPSTE / 1 Charm II VA2z902 — \ -- _/ o esNge, shimp-engineenng.com AX. HEIGHT - 30'20 77 ___—_ _ 2 \\I D` o _ ~ eiiin � � i � i X BOLLARDS "" 16 5 s I I 470 __ 1 / I 1 1 / �� `P' �t �i----- - N MARK. U• _� 2 0o I T it lip \ — / / I / / BE C (. ■ 1 C Oi I / 1 I / / / �.� MAG NA L S T ■ AI I � 4I I I I I i '� � / j g i I / I 101 .08 I i 1( ELEVAI IO =42 ' 4 � CONC.�XTENDED ' f � dB- CURB MAX HT�25' . I \ I T / I I / O C \ II ', \ \ ■ \ OW MAI TENANCE GROUN 13 I t PROVIDE 4 CURB - / / / / / \ i U a ■ COVER LOPES 3:1 OR 1/ y I, 1 ABOVE TOP OF - \ \S, / � \\�� - N / I i I I / .SHIMP �= \ PkYEMENT. BUI - I I I L' .NO.45183 STEEPE (LOW GROW >} I I -- L D I N G NEW 30' SWM \ \, ,q1 " 2� FRAGR T SUM Ac) A EXISTING N/ i I i / A 2 It l 2( �4 EASEMENT � � � oo - � i i 2 �° �v I �r \s FFE SERVICE _ �? III i I o� 1z j \ � I ,', I � _ C/o E A P P R 0 X 404 A� �sstoivat � 2 12 `v i 12 6 TO REMAIN LL I I \'3 x so x OIQ LP LL� EX -ALP �� FKl EX. ALP ■ 9 127 4 \✓' s A\� J --�� MIt T.M. 785A — �. 1 To D g 14 .° it i l STOPS CORNER, LC ) o 14 ya7' -- / / i VSMP PLAN D.B. 4358-684, ___ oz y BUILDING _ i / ALBEMARLE COUNTY, VIRGINIA / / � , 14 � / G A2 688 PLAT /' / �� 473 ' EXISTING SERVICE �� 41Df� i l l r'/ v ', i _ ,EX. MH - 1300 RICHMOND FFE APPROX ' �'� / ti ,E. TO REMAIN 4 75 �` I / ROAD - FLOW ZONED: HC �I I II :. --- - 0 P . ■ ,� A - ,IGN ♦ AUTOMOTIVE / { C R0 zo 6 14/ � �..�..�� E ss -0- EX. LP EX L EX DI 1.1l:ILC 6 '� '� o— // � \ RECEPTI "� SUBMISSION: 2020.06.02 00 1° 3 650-1' SHARED----- / S/ / 15 ---� BUILDING A3 -- \ ,/— REVISION: L 0 16, I M. NEW AUDI FFICE 01) 2020.10.22 a .. B p =_ I SPACE _ BUILDING NEW 30' SWM ,�. ♦�. NEW 10' SWiA A ES I'`'" SALES E ING A4 as �a� // / -�, 02 2021.02.02 ��/ a r,. BUILDING I 1' ) � � �..�.. LD I so NG FFE NEW PORSCHE EASEMENT _ / � / ♦ \ � � . €EAS ENT �'.t:„<, � 19 FFE 417. a� —, 17°° 00 417.00 SALES BUILDING 191 ` i �� PP�OXI ATE\ocAT10N CF \ \ \ \ �� \ \ SIGN ® _ -- FFE 419.50 NT3AL LEPFONLv CO�(PANY o� \ /A \ ♦. /� 1 _------ , VI GINI EA EME T y _q \� -� � � (�-.A \ \ \ \ \ V ♦- 15" CON W !`tEW DI-7 7a EX. EX. LAP LP. H 3 -'� -I' - 16p x i BSo 16ei ;' , 19'0 �r19'° > so 1 ( 4 i ♦ / S PES 7a ice' �8 LIMITS OF DISTURBANCE 1 "♦/ " / FILE NO - - - - -- - - - - SLOPES ■ - -- _ A#A6ED H° F cas p cas NOT TO ENCROACH cas cas / EXISTING PARKING 30 o ,� — _ _ _ _ _ _ _ � \ -.' .� SPACF�C� TO REMAIN � 20 �i��' // 19.078 Sz 4 - - - �s-cas-cas-ws-cns- t ♦/ / �/��/ J11 4 __ --- ------ -- ---_ - - `\ - ,� -ll E&SC PLAN PH 4 __ ------------- .. � . x nas / 3 E1' T 20 4 Y ..,. J - ucu0c uw ucu �ocuOH ucu- uc u - usu - ua� ucu � •� i i ' / / \ i / ^ - / _ H U �u NAI I! ocu 1, �_ p APPR ■ S2T(A INT C MBINED UTILITY EASHEET C9 OF rJCOMBINED UTILITY EASEMENT /r _ ___ FO VEPCO, CENTEL & ACSA ♦ WM p — N •uFu • _�' / ONE / \ / FOR VEPCO, CENTEL & / "� �� NINGT I I (D.B. 1168-546)I ■ VAULT yG ; • �,� --� 30 30 60 90 ^ ^ ASCA / APPR WATERLINE LOCATION OF 20' ( v-�{ / _ WATERLINE EASEMENT I I I '��.�_ \ '" �'�\ \v- 1 (D.B. 1327-145) // (P.B. 1549-598) o ( 1 1` V o ..�_ 9 Scale: 1"=30' 401 391 391 381 381 37 371 STORM PROFILE A1—A6 C10 1" = 30' HORZ 1" = 10' VERT 4 STORM PROFILE A3a—El C10 1" = 10' VERT 360 F1 F2 A4 4G 355 410 M 00 U N 410 I 17 405 O 3 Z 400 IIIr 395 II 390 00 Cn K) M I,yll I�— w �- 405 5 350 400 345 395 340 390 335 330 385 z z 10+50 11+QQ D-- o >> zz z - 32510+00 10+50 6 STORM PROFILE A4—A40 7 STORM PROFILE F1—F2 C10 1" = 30' HORZ C10 1" = 30' HORZ 1" = 10' VERT 1" = 10' VERT \ \ CLASS Al RIP RAP AT OUTLET OF F1. F1 -340— —/ 340- 7.5' MIANMFIM--WILT NEW SWM EASEMENT ,T�'0� I•S I� r. soss11 r I•waspo Y52 -F 00�ptARd ,�--� W W N�-.--44 W / �.2.\ \ �• ! .—� _ W c' r)AM 346 w W \ / 11 TACKWELI ALL AROL is Xi001u��.\ rl v.yiu .I�rvorhl 'OP.f�O� DETENTION /J\POND OUTLET F1 SCALE: 1 "=30' J, NE #6 X 1 C ESS SPACER (TYPICAL 420 (A 5) 415 410 x 405 ZC 400 L N rr 395 n D 0 390 > AS DO u IIIIIIIIIIIIIIM I k • tA1NJ�� c •� I� • 61E1t!��© iF mf00 C10 1" = 30' HORZ 1" = 10' VERT 10+50 420 415 410 405 400 395 0 D2 D3 425 420 in 415 410 405 0 400 ~ 410 c) I 405 3 z 400 390 3851 D 0 0 o - Chi 00 M v� w 115.66 LF - M 0 0 z - o > 10+50 11 +00 >z z 5 STORM PROFILE D2—D3 C10 1" = 30' HORZ 1" = 10' VERT inn �� I •'e — •t • 11 +00 A} L 360 355 350 15' 345 340 335 330 11+5�5 PLAN VIEW 72" PRESSURE RELIEF HOLES 1/2" DIA. }A J MIN. )RT BAR SI, REBAR 425 420 415 410 405 11+54�0 _CA.1n) M A3 In � B1 B2 OO J m O r M �i uT 0 00 rn - a I— (O 0 0 c_¢ o_ TI -- -- --- I„111 25.50LF - o ---- „ a --_------ NcY ------ '------- 117.58 - M M 00 D 0 10+50 11+00 11+50 12+00 +50 13+00 13+50 O > 4+ m Z >Z > o- Z Z_ > pD > z M Z z_ > z O3 STORM PROFILE A3—B2 1 = 3U HUKL 1" = 10' VERT Existing Storm Conveyance Channel Calculations 1 = 3U HUKL 1" = 10' VERT Existing Storm Conveyance Channel Calculations SCC Q2 Q10 Channel Bottom Channel Side Side Channel Manning's Q2 Velocity Q10 Depth (cfs) (cfs) Shape Width (ft) Depth Slope 1 Slope 2 Slope N (fps) (ft) To Pond 11.51 18.05 Trapezoid 3 0.67 2:1 2:1 0.25 0.03 10.077 0.407 To Stream 5.09 16.70 Trapezoid 3 0.67 2:1 2:1 0.05 0.03 4.605 0.597 IM UILL111111/tilt/ - TECHNICAL NOTE TN 2.02 Minimum and Maximum Cover Heights for Corrugated HOPE Pipe (per ASTM F2648) May zozo Introduction The information in this document is designed to provids answers to general cover height questions; the data provided is not intended to be used far project design. The design procedure described in me Structures section (Section 2) of the Drainage Handbook provides detailed information for anatyang most common installation conditions. This procedure should be utilized for project specific designs. The two common cover height concoms are minimum cover in areas exposed to vehicular Me and maximum cover heights. Either may be Considered 'worst case" scenario from a loading perspective, depending on the project Conditions. Minimum Cover in Traffic Applications Pipe diametersfrom 4-through 48Hnch (100-1200 min) installed in traffic areas (AASHTO H-25 or HS-25 loads) must have at least one foot (0.3m) of cover over the pipe crown, while 60-inch (1500 ram) pipe must have at least 24 inches (0.6m) of cover. The backfill envelope must be constructed in accordance with the Installation section (Section 5) of the Drainage Handbook and the requirements of ASTM D2321. The backfill envelope must be of the type and compaction listed in Appendix A5, Table A-5-2A of the Drainage Handbook. In Table 1 below, this Condition s represented by a Class II material compacted to 90%standard Proctor density, although other material can provide similar strength at slightly lower levels of compaction. Structural backfill material should extend to the crown of the pipe; the remaining cover should be appropriate forthe installation and as specified by me design engineer. If settlement or rutting is a concem, it maybe appropriate to extend the structural backfill to grade. Where pavement is involved, sub -base material can be Considered in the minimum burial depth. While rigid pavements can be included in me minimum Cover, me thickness of flexible pavements should not be included in the minimum Cover. Additbnal information that may affect the Cover requirements is included in the Installation section (Section 5) of the Drainage Handbook. Some examples at what may need to be considered am temporary heavy equipment, construction loading , paving equipment and similar loads that are less than the design load, the potential of pipe flotation, and the type of surface treatment which will be installed over the pipe zone. Please note tat Table land 3 am based on the installation of N-12 and MEGA GREEN (per ASTM F2648) pipe under pavement using a uniform bwkfill type and compaction level, as depicted in Figure 1. Table 1 Minimum Cover Requirements for N-12eand MEGAGREENTM Pipes (per ASTM F2648) with AASHTO H-25 or HS-25 Load M.M.Dlanswicl, Minimumcur.r Inches ram fleet m 4 (100) - 48 (1200) live) 80 (1500) Maximum Cover Wall thrust generally governs the maximum cover a pipe Can withstand and Conservative maximum cover heights will result when using the information presented in the Structures section (Section 2) of the Drainage Handbook. The maximum burial depth is highly influenced by the type of backfill and level of compaction around the pipe. General maximum cover limits far NA2 and MEGA GREEN (per ASTM F2648) pipe are shown in Table 3 fora variety of backfill conditions. Table 3 was developed assuming pipe is installed in accordance with ASTM D2321 and the Installation section (Section 5) of the Drainage Handbook. Additionally, the calculations assume no hydrostatic load around the pipe, incorporate the maximum safety factors represented in Structures section of the Drainage Handbook, use material properties consistent with the expected performance characteristics far N-12 and MEGA GREEN (per ASTM F2648) materials as shown in Table 2 below, and assume the native sail (insibl) is of adequate strength and s suitable for installation. For applications requiring fill heights greater than those shown in Table 3 or where hydrostatic pressure due to groundwater s present, contact an ADS engineering representative. Figure 1 ADS N-12 and MEGAGREEN (per ASTM F2648) Trench Detail Under Pavement MIN. COVER TO MIN.COVERTO EN RIGID PAVEMENT, H / / / FLEXIBLE PAVEMENT, H FINAL BACKFILL O INITIAL SPRINGLINE BACK HAUNCH 4"(100mm)FOR BEDDING 4"-24" (100 ram - 600 mm) PIPE 6.(150 mm)FOR — SUITABLE N0 60"(750 ram-1500 mm)PIPE MIN. TRENCH WIDTH FOUNDATION Table 2 ADS N-12 and MEGAGREEN (per ASTM F2648) Mechanical Properties Initial 50-Year Design Compressive Design Tensile Cell Class Fu E Fu E Strain (%) Strain (%) i i i i ASTM D3350 42N20C-410" 9.7 4.0 3,000 110,000 800 21,000 435420C-12-60" Note: Minimum covers presented hem wane calculated assuming Class It beckol material campacled to 90%standard Proctor density around the pipe and structural bacMl b the crown ofthe pipe, as mcommendedin Section 5 of the Drainage Handbook, with an eakifionallayerofcnmpacled Meflo lane sub -base fora total coveres required. In shallow tmFic installations, especially where pavement is involved, a good quality compacted material b grade is inquired to prevent surface seMement and nufing. 4e90Ta0ENRe �W. HI1N1✓D,OHaOMB (%0)821,710 exw.'alls Wets, 1 x e90TRIlEMON &V0. HIDWN, OHA'ffie "Ifill Jrrm w Atlsplpe.mn ATN2.02 •ADa2r120 ATN2.02 OADe2020 10 HDPE PIPE COVER NOTES C1 O NOT TO SCALE TOP STIFFENER NOT REQUIRED TOP IS 14 GAGE CORRUGATED METAL OR 1/8" STEEL PLATE. PRESSURE RELIEF HOLES MAY BE OMMITTED, IF ENDS OF CORRUGATIONS ARE LEFT FULLY OPEN WHEN THE TOP IS ATTACHED. CYLINDER IS 16 GAGE CORRUGATED METAL PIPE OR FABRICATED FROM STEEL PLATE. NOTES: 1. THE CYLINDER MUST BE FIRMLY FASTENED TO THE TOP OF THE RISER. 2. SUPPORT BARS ARE WELDED TO THE TOP OF THE RISER OR ATTACHED BY STRAPS BOLTED TO TOP OF RISER. V V I SECTION A —A ISOMETRIC ANTI —VORTEX TRASH RACK DETENTION POND TRASH RACK �h. BMP TRASH RACK I'LVSTif Note: Minimum covers presented hem wane calculated assuming Class It beckol material campacled to 90%standard Proctor density around the pipe and structural bacMl b the crown ofthe pipe, as mcommendedin Section 5 of the Drainage Handbook, with an eakifionallayerofcnmpacled Meflo lane sub -base fora total coveres required. In shallow tmFic installations, especially where pavement is involved, a good quality compacted material b grade is inquired to prevent surface seMement and nufing. 4e90Ta0ENRe �W. HI1N1✓D,OHaOMB (%0)821,710 exw.'alls Wets, 1 x e90TRIlEMON &V0. HIDWN, OHA'ffie "Ifill Jrrm w Atlsplpe.mn ATN2.02 •ADa2r120 ATN2.02 OADe2020 10 HDPE PIPE COVER NOTES C1 O NOT TO SCALE TOP STIFFENER NOT REQUIRED TOP IS 14 GAGE CORRUGATED METAL OR 1/8" STEEL PLATE. PRESSURE RELIEF HOLES MAY BE OMMITTED, IF ENDS OF CORRUGATIONS ARE LEFT FULLY OPEN WHEN THE TOP IS ATTACHED. CYLINDER IS 16 GAGE CORRUGATED METAL PIPE OR FABRICATED FROM STEEL PLATE. NOTES: 1. THE CYLINDER MUST BE FIRMLY FASTENED TO THE TOP OF THE RISER. 2. SUPPORT BARS ARE WELDED TO THE TOP OF THE RISER OR ATTACHED BY STRAPS BOLTED TO TOP OF RISER. V V I SECTION A —A ISOMETRIC ANTI —VORTEX TRASH RACK DETENTION POND TRASH RACK �h. BMP TRASH RACK I'LVSTif ISf. m1-1111-ern 11 ORIFICE TRASH RACK DETAIL C10 NOT TO SCALE 410 ',405 F C400 0 rM 390 005 SHIMP ENGINEERING LAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT Design Focused Engineering 912 East High Street Phone: 4M-227-5140 Charlottesville, VA 22902 shimpengineenng.com �� n t O U SHIMP > L' . No. 45183 2 (Vill z l z c 0A V" R•sSlnu At VSMP PLAN ALBEMARLE COUNTY, VIRGINIA 1300 RICHMOND ROAD - FLOW AUTOMOTIVE SUBMISSION: 2020.06.02 REVISION: 01) 2020.10.22 02) 2021.02.02 FILE NO. STORM DETAILS SHEET C10 OF 15 NUI IU SUALL STONE 70' MIN. CONSTRUCTION ACCESS 3" SM-2A ASPHALT TOP `COURSE 2% �( 2% STONE CONSTRUCTION ACCESS 2% M:N, 21A AGGREGATE BASE PROFILE MIN. - ASPHALT PAVED WASHRACK 2% 2% 12' MIN.* *MUST EXTEND FULL WIDTH `---® POSITIVE DRAINAGE I TO SEDIMENT OPERATION OF INGRESS AND EGRESS II TRAPPING DEVICE PLAN I- 12' MIN. EXISTING PAVEMENT EXISTING SITIVE DRAINAGE SEDIMENT 4PPING DEVICE FILTER CLOTH -I ---` SECTION A -A A 111111i11111111 water tap of 1 lllch lllust be lllstalled v6t11 a niilli11111111 1 111ch ballcock shutoff value supplyhig a wash hose with a diameter of 1.5 riches for adequate constant pressure. Wasll water Must be carried away frolli the entrance to an approved settling area to remove seduuellt. All Sediment: shall be prevented from etrti ling stoma drams, ditches or watercourses. PAVED WASH RACK NO SCA_E PAVED CONSTRUCTION ENTRANCE (CE Not To Scale TABLE; 3.31-C TEMPORARY SEEDING PLANT MATERIALS, SEEDING BATPS, AND DATES SEEDING RATE NORTH" N m w SO[TrHS PLANT all 5/1 8/IS 2I15 Sll 9l1 SPECIES CHARACTERISTICS Acw loon a' m to to m to to 4I30 Blls Illl d/30 9l1 11/I5 OATS l W. (up to TOO lbs., 21be. X - Use spring v.riuice (e.g., Noble). (/A, mewl not bee tWo 3016s.) RYE° 2 W. (ap to 110 IN.. 2.5 IN. % - X X - % Um (or lue fill xdivga, winter raga's oeIIeal na Ims tlan so Ibs.) coves. rmmm ee coldm la e le,,imrre. GERMAN MILLET SO lbs. epprox, l lb. - X - - X - Wumwew vmuW. Dies et firer (Styria imliul float. Mry b eddM to summer mum. ANNUAL RYEGRASS` 601he. 19 IN. % - % X X Mry be Wded in mian. Will (� mmd-n2rl,m) mow mrt of I,mv etnm. WEEPING IS lbs. 3'h X - - X - Wum-season permwd, My LOVEGRASS booth. T.I. hd, dry slops (Eerfsfli€ enwwel and c;a, inr toe it.. My be .ailed to mixes. KOREAN 2316e. eppmx. Ph % X - X % - Wares season sell legume. LESPEDEZA` IN. T"Iemtm mid it.. May M f <eocde sue) eddei to miiw. a Northern Piedmont and Mountain region. See Plates 3.22-1 and 3.22-2. b Southern Piedmont and coastal Plain. e May be used as a cover crop with spring seeding. a May be used as a cover crop with fall seeding. X May be planted between these dates. - May nal be planted between these dates. 2 TEMPORARY SEEDING 011 j Not To Scale RIGHT-OF-WAY DIVERSION (RWD Not To Scale Compacted Soil 18" min. Flow 4.5' min. 4� DIVERSION DIKE (DD) PERMANENT SEEDING SPECIFICATIONS February 16 through April 30: Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; Annual Rye - 20 Ibs/acre. May 1 through August 15: Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; Foxtoil Millet - 20 Ibs/acre. August 16 through October 31: Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 lbs/acre; Annual Rye - 20 Ibs/acre. November 1 through February 15: Kentucky 31 Fescue - 128 lbs/acre; Red Top Grass - 2 Ibs/acre; Winter Rye - 20 lbs/acre. MULCHING SPECIFICATIONS: Straw or hay at a rate of 2 tons/acre. Must be anchored. Spread with mulch blower or by hand. LIME AND FERTILIZER SPECIFICATIONS: Lime and fertilizer needs should be determined by soil tests. Soil tests may be preformed by the Cooperative Extension Service Soil Testing Laboratory at VPI&SU, or by a reputable commercial laboratory. Information concerning the State Soil Testing Laboratory is available from CITY Extension Agents. Under unusual conditions where it is not possible to obtain a soil test, the following soil amendments will be applied: For Permanent Seeding: Seeded areas shall be limed at a rate of 2 tons per acre, and fertilized at a rate of 1,000 Ibs. per acre of 10-20-10 (10 lbs. per 1,000 square feet) or equivalent. For Temporary Seeding: Seeded areas shall be limed at a rate of 2 tons per acre, and fertilized at a rate of 600 Ibs. per acre of 10-20-10 (10 bs. per 1,000 square feet) or equivalent. LOW MAINTENANCE GROUND COVER: SOUTHEAST NATIVE GRASS SEED MIX (AMERICAN MEADOWS INC.) For slopes steeper than 3:1 grade, Mix the following seeds at 30 Ibs/acre each, along with EC-2 Matting (Total 150 lbs/acre): Virginia Wildrye (Elymus virginicus), Little Bluestem Grass (Schizachyrium scoparium), Purpletop (Tridens flovus), Broomsedge (Andropogon virginicus), and Indian Grass (Sorghostrum nutons). 5 )PERMANENT SEEDING (PS C11 Not To Scale GRAVEL CURB INLET SEDIMENT FIL TER GRAVEL FILTER * 12" RUNOFF WATER WIRE MESH FILTERED WATER A III EM G .A - SEDIMENT CONCRETE GUTTER 12" CURB INLET SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE AT CURB INLETS WHERE PONDING IN FRONT OF THE STRUCTURE IS NOT LIKELY TO CAUSE INCONVENIENCE OR DAMAGE TO ADJACENT STRUCTURES AND UNPROTECTED AREAS. * GRAVEL SHALL BE VDOT #3, #357 OR 5 COARSE AGGREGATE. 6 INLET PROTECTION OP) r..11 JNot To Scale �E MNitER S 11 1NL1(rESa ox[lsoxs A I.TOL e W. X' R r0.. r E V TM. a 2" TOL e aTEEL Koga'U'r IS" •^ .Ogp e" 21 24' 24• le• .oe•^ .oea 3r 4" 2r' •" to.W ]a" • - 24" 24" .Oe4^ .oep w^ 4r 0- 24- n"/3o• .ar .on^ sr 4- a4- .oe•" ors° 14• ea" 4Y' .O6•" .m3" le" 6P 4e^ .a4^ .ms- sr. 7e^ 4• 5`1 CONSTRUCTION OF A SILT FENCE (WITHOUT WIRE S UPPOR T) 1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. 6'MAX. FLOW] 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. .01 FLOW 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Contfol,VA, DSWC Sherwood and Wyant 8 ITEMPORARY SILT FENCE (S C11 Not To Scale PLATE. 3.05-2 Sediment Trap Design Data Weir DA Wet Wet Area 1 Dry �o� Area No. A B C H Z (ft.) Lengt (Acs. Vol. D1 Vol. Cy (sq. Vol. D2 2 (sq. (ft) h ) (Req.) (ft) (Prov.) ft.) (Req.) (ft.) Cy ft.) (ft.) (PCY 1 394.0 392,0 389.0 2.O 3.0 14.6 2.44 163.5 3.0 178.0 1860.0 163.5 2.0 167.4 2660. 0 2 384 382 379.0 2 2.0 5.4 0.90 60.0 3.0 60.0 680.0 60.0 2.O 68.7 1176.0 •• 1 . • • • hffi;,•�� (EXCAVATED) +/ CLOTH ORIGINAL GROUND EL=C \FILTER ELEV. \ *SEE PLATE 3.13-1 COARSE AGGREGATE CLASS I RIPRAP CROSS SECTION OF OUTLET CLASS I RIPRAP LENGTH (IN FEET) _ 6 X DRAINAGE (IN AC.) AREA � - � DIVERSION / DIKE aO Ilk 1 ' / COARSE AGGREGATE / ! EXCAVATED /FILTER CLOTHj�� AREA **COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5 OUTLET (PERSPECTIVE VIEW) 9 )TEMPORARY SEDIMENT TRAP (ST C11 j Not To Scale Id PIPE OUTLET CONDITIONS W=dn+ La NKLH WIIK Nu ULNINLU CHANNEL I If La _ d SECTION A -A FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMETER NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. Lo IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.18-4. 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. Specifications Outlet La (ft) d (in) W (ft) Al 40 6.0 4.5 F1 16 6.0 7.5 Class Al Riprap for all outlets 10 OUTLET PROTECTION (OP C11 j Not To Scale SOIL STABILIZATION MATTING SLOPE INSTALLATION FILL SLOPE SECTION SOIL STABILIZATION MATS SHOULD toBE INSTALLED VERTICALLY Q 5' DOWNSLOPE FOR BEST RESULTS. 0 TOE MAINTAIN SLOPE ANGLE SLOPE LINING (WET SLOPE) TREATMENT - 2_ POLYPROPELYENE NON -WOVEN (NEEDLE PUNCHED) GEOTEXTILE FILTER CLOTH (BEHIND TREATMENT - 2)\ IJ SOIL BOTTOM OF CUT SLOPE 7 NOTE: SLOPE SURFACE SHALL BE SMOOTH AND FREE OF Q ROCKS, LUMPS OF DIRT, GRASS AND STICKS. MAT SHALL BE PLACED FLAT ON SURFACE FOR PROPER SOIL CONTACT. 4' DIRT SHALL BE TAMPERED PRIOR TO LAYING TOP LAP OVER BERM TRENCH INTO BERM AND PROGRESS DOWNSLOPE SLOPE LINING (DRY SLOPE) BOTTOM OF FILL BOTTOM OF CUT TREATMENT - 2 OR SHOULDER BREAK POINT 11 BLANKET MATTING BM C11 Not To Scale TOP of CUT SLOPE TABLE 335-A ORGANIC MULCH MATERIALS AND APPLICATION RATES RATES: MULCHES: NOTES: Per Acre Per 1000 sq. ft. Straw or Hay A - 2 tons 70 - 90 lbs. Free from weeds and coarse (Minimum 2 matter. Must be anchored. tons for Spread with mulch blower winter cover) or by hand. Fiber Mulch Minimum 35 lbs. Do not use as mulch for 15001bs. winter cover or during hot, dry periods.* Apply as slurry. Corn Stalks 4 - 6 tons 185 - 275 lbs. Cut or shredded in 4-6" lengths. Air-dried. Do not use in fine turf areas. Apply with mulch blower or by hand. Wood Chips 4 - 6 tons 195 - 275 lbs. Free of coarse matter. Air- dried. Treat with 12 lbs nitrogen per ton. Do not use in fine turf mew. Apply with mulch blower, chip handler, or by hand. Bark Chips 50 - 70 cu. 1-2 Col. yds. Free of coarse matter. Air - or yds. dried. Do not use in fine Shredded turf areas. Apply with Bark mulch blower, chip handler, or by hand. " When fiber mulch is the only available mulch during periods when straw should be used, apply at a minimum rate of 2D00 Ibs./ac. or 45 lbs./1000 sq. ft. (MIN.) IPE OUTLET TO WELL EFINED CHANNEL SHIMP ENGINEERING LAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT Design Focused Engineering 912 East High Street Phone: 4M-227-5140 Chadoaewille, VA 22902 shimpengineering.com -`�L+�L' n Qs l Q��l+ r+PG, 0 U SHIMP > L' . No. 45183 2(zlzc w4 0� R4sSlrust e VSMP PLAN ALBEMARLE COUNTY, VIRGINIA 1300 RICHMOND ROAD - FLOW AUTOMOTIVE SUBMISSION: 2020.06.02 REVISION: 01) 2020.10.22 02) 2021.02.02 FILE NO. Ell DETAILS SHEET C11 OF 15 C11 ) Not To Scale ES-2 END SECTION Not To Scale Not To Scale C11 T.M. 78-58G1 PANTOPS CORNER, LC. D.B. 4358-684, 688 PLAT ZONED: HC POA PREDEV DRAINAGE AREA TO POA 4 0.271 AC WITHIN LIMITS OF DISTURBANCE, CN = 95 TOC = 5 MINS T.M. 78-5A PANTOPS CORNER, LC D.B. 4358-684, 688 PLAT ZONED: HC — — — — ' ... ------- 3S0\\\ \\\` +`-\\ \\\ �3 — � � —/ ' 100 YRFL0----=`- _-_f- SUMMARY OF DRAINAGE AREAS DISTURBED AREA UNDISTURBEDAREA DA AREA (AC) CN AREA (AC) CN TO PDA 1 DIRECTLY 1.615 88 0.068 67 TO EX DET PIPE, THEN P0A1 0.874 96 1.198 95 TO POA 2 1.02 65 1.82 65 TO POA 3 1 0.316 98 1.534 94 TO PDA 4 1 0.271 95 TO POA 5 1 0.3541 92 ..YR.'pOpPLA1N\--- ---- ' l ---____-' \ rr _ R�Ei)EV- IMAGE 4 TO POA 2 --- - ' "--- _ - - - - - - - - _--- ,\T�I11V LTM T TUF�BANCE, N -5 _ - -- '/',,- - ------ - 350 \DUJ, LPE\LIM�?S 0-DI�URBANCE, CN = 65 F` _ - -- '- v \�A�V v A Vv\wv v� LLYY�i'V� ^� Sad 1�— —350'/ 3> 'lea 360 ,i- ---------------------------- 1 \ \ // // \ \ \ \ \ \ \ \ • ' I\ - ' 37 \ y/ \ \ / / / i as 1----- 11T 1 / -----' l / r --------------------- \I II I\ \\ ----------------- \\ I I I \. �_------------ - __ 0,AFT FRS, LC 1D/q.1 � 110-71 ------- 571�j, IP91—TkIR 5�8 i f \' / 1 i1 f3P-701, of i �0# 14 oU 1707 P AT ----- -- II / 11 11 — If It If I I If I i /--� I/— \ I I I / �'— f i // / If I / / ,�-- .—.- ll IiI II 1 I J I2 3 rn _-- f -- __ -- — �410� — __ __ 4 '41p� it >•.I .�.. �.. — —� _'__— ` 0A 5...._.._...�� .. I PREDEV DRAINAGE AREA TO POA 0.354 AC WITHIN LIMITS OF DISTURBANCE, CN = 92 TOC = 5 MINIS \ \ 40 0 Scale: 1 "=40' SHIMP ENGINEERING LAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT Design Focused Engineering 912 East High Street Phone: 434-227-5140 Charlottesmile, VA 22902 skimp-engineenng.wm Qs �t lO 'PGA U SHIMP > L' . No. 451 83 2(zlzc w4 R`sSln r At 0 VSMP PLAN ALBEMARLE COUNTY, VIRGINIA 1300 RICHMOND ROAD - FLOW AUTOMOTIVE SUBMISSION: 2020.06.02 REVISION: 01) 2020.10.22 02) 2021.02.02 FILE NO. 19.078 PRE DEVELOPMENT DRAINAGE MAP SHEET C12 OF 15 C12 T.M. 78-58G1 PANTOPS CORNER LC. D.B. 4358-684, 688 PLAT ZONED: HC PREDEV DRAINAGE AREA TO POA 4 0.105 AC WITHIN LIMITS OF DISTURBANCE, CN = 65 TOC = 5 MINS STORMWATER MANAGEMENT NARRATIVE \\ \ \\_- Runoff from the site is analyzed at five points, labeled POA1 thru POA5. The drainage areas to t\ \ `\ ^\ points of analysis 1 thru 3 are separated into disturbed and undisturbed area, since the ....... improvement factor is only applied to the disturbed portions. Points of analysis 4 and 5 include A \\ \� ; -- - - — _ _ � — only disturbed area, since the disturbances create no change to the drainage patterns outside the limits of disturbance in those areas. Drainage areas to POA 1 are further separated into \ \ \\ \ \ - J.. \ I -__ _ ....... _ _ "- =..- _ - - - - — - drainage to the existing detentions stem on site and drainage straight to POA 1. All end up at ------ �_---; - POA 1, but this separation was used to ensure that the existing detention system will continue to -------------- \ function as designed. The post -development drainage area acreage and curve number to the existing detention system are less than in pre -development conditions. Runoff to POA 1 is held in a detention pond and released at a peak flow rate that complies with channel protection requirements set forth in 9VAC25-870-66-B3 (energy balance equation). Flood protection is met _'-- as runoff is outlet into a mapped floodplain. Runoff to all other points of analysis complies with ^ 7 9 _ - \\ flood protection requirements as the post development 10 yr, 24 hr storm is released at a peak '---- ____ ,_--' '� ,�--- / � — —360 -- `\>\\ flow rate less than in pre -development conditions. Channel protection requirements are met at all _' S G B -- / 1 \ \ _ \ points of analysis. POA 1 - POA 4 are analyzed according to 9VAC25-870-66(B)(3). POA 5 is \ \ = - analyzed according to 9VAC25-870-66 B 1 a _I O`STD NV DRAIN S AREA 0 PrOA Y 9 O( )( ) !1 -- -- Q.�36 �/ V�THIi�^LIM �I,5TURBANCE, EN 61 — — — — — — / — — — / FLOODPLAI�------ 0 ,AC Q�TSIDE\tliv}IT OF�DT5_T tR�AidG�E,-Eht --�- 6 --� / _ _ °° �--'-------' --- � - _ _� T\ .� \\ \\� \\ \\ `360��`�` \ \ `� �, �_ �.� r,,,�+s-•- ? '' SUMMARY OF DRAINAGE AREAS rYR FLOODPL /- --- __ -----_--' \ / _ _ /7i ♦\ `\ \`�\ \ \ \\ \ �\ �\ \ `� I I)LI-� I I — '//'' —_ `\ _ — — — — — — — _ 350 OODP DISTURBEDAREA JUNDISTURBEDAREA DA AREA (AC) CN AREA (AC) CN TO PDA 1 DIRECTLY 3.13 89 0.692 58 TO EX DET PIPE, THEN POA1 0.571 98 1.238 95 TO PDA 2 0.236 61 1.18 58 TO PDA 3 0.123 95 1.506 97 TO PDA 4 0.105 65 TO PDA 5 0.315 93 -360— — _ ) ` --- SU#KARY�O-F SrtORMWATER QUANTITY CALCULATIONS - \ AREA -- /�—� ------------------------- A�if---- •♦ _ '�---------I \ 1 / / '/ — -- `\\3JNO A W1THM� CJAMTS-_OF-` / 1------ / RBAN.CE, -l.N, —-_ \/,i' — / / / \3 \ \\ \ \ \\ Fl �� Ot�TSFDE " 4MIT--0F_---- — y---------- - 71 - `\ / /''' i' i -' - --- - \ V_---- ----- / / --- -' POA QIALLOWABLE Ids) Q1 PROPOSED (cfs) Q10 PRE (cfs) Q10 POST (cfs) 1 8.85 3.49 27.97 36.31* 2 1.73 0.49 7.29 3.74* 3 8.63 6.92 14.39 12.91 4 11.54 0.09 2.12 0.38 5 NA 1.221 2.671 2.41 *Discharges to Mapped Floodplain ----—— ------ ---- — — — ' 17V5 I / � � / _ �� '♦ V A A �� A - - - - ___- mil-_ .� \ I ,i' •-� \ ��_ _ _ 3eo—/ �� :.* - \ / - 11/,i/'/�//,/,i �'�_- - _---- - 390 - �� \ — / a - I11 II 11 - \/ 11 /i',/ / / / i i' — ___________ /,i r___ ________ _ _ _ \ � _ _ _ - ■ � `III I � � I / / / / // / / - ,''- _ _ -- — — — — _ - � � � \ / / I I `,,��pp -}�\_/ __-_ \ ter\ • I ♦ , II III --__- / /' /'/ ///'//'' /'- - \ \ 1 \ \ --� ^♦ �� _._�—_ . \ \ III I11 I --'--__ \ f �,,/I �� / /j % ///'/i �'i' --� L -- --— \ -, ` \� \_� -- _—•- ___-- -----� — �� l l l l I l 9 14. l i J — — — — — — — — — — — — — — —- _� /l� I lit1 — d — _ _ ` \3 \ / /rf'G9' I�IFj'iYT,I\I�RS, LC \ + _ _ A t � \ ,,��' - - e� - ,/ b; ; � �� I10-71 ------- M ENGINEERING H `— - r• •• \ I 557 11�, 1 \ LAND PL4NNING SITE DESIGN CIVIL ENGINEERING PROJECT MANAGEMENT �410 ` M..... \ \\MI V\ 1 `— _ --- — ------ ----------_///i// lY'l 'll'I IIR ,I� % _ Design Focused Engineering -'�a, a.. - r}� - as Sheaf one 1 / l {�L I 13'� -- 912E East $1 � Phone: —390- _ - / { 0 Chadotlesmile, VA 22902 shimp-engineenng.wss — _ --- --- — _ PAT v / / I I l _ /TI \ 1 `\ ► 71 D l' l I l I ------ I SHIMP a \ e I ° ° L' . No. 45183 _410-� 2( 'v4 CSTDEV DRAINAGE ARVA TO PO 3 .1 3 A ITHIN LIMITS OF DISTU ANCE, CN = 95 / / 1 I I OF DIST RBANCE, CN VSMP PLAN ALBEMARLE COUNTY, VIRGINIA T.M. 78-5A PANTOPS CORNER, Lc P T E R I A E A E o i I --- I; i ,� -' 1300 RIC H MO N D D.B. 4358-684, 11 XI TIN E E TIQ Y T k► ,-- ROAD - FLOW 688 PLAT & PO'/k/1 j ♦ J I v Savo �I I/ ZONED: HC 0.571 AC WITHIN LIMITS 0 _ AUTOMOTIVE IS U BA C C ■ .Q --- li �' 1 ` I 1 2 8 A T IDI I IT 'F \ ♦ ,- ,I'I SUBMISSION: PORTION OF POSTDEV DRAINAGE AREA TO POA 1 HSG B { ---- , �'' POSTDEV DR - TO �' % ♦ \\ ------ — mi EXISTING DETENTION EM - ---- /' � �/ \ — — — — — — — — — - f _ 410— ___-___ ZUZU.06.02 REVISION: 01) 2020.10.22 02) 2021.02.02 -- --- FILE NO 19.078 is po� ,/'I 0 It 5 /' +.. .. '�••�" ••......�.. 1 II 11 — -_"� ml +I_hTS-.i7+/---r-';,-'/, ,' ,,' ,,' ,/' -,.�,- POST DEVELOPMENT rr rrr. �.. 'ZX � 1 Y DRAINAGE MAP / POSTDEV DRAINAGE AREA TO POA 5 a 1 N - =, ,' ' \ 0.315 AC WITHIN LIMITS OF DISTURBANCE, CN = 93 TOC = �5 MINS SHEET C13 OF 15 40 0 40 80 12 Scale: 1"=40' C13 T.M. 78-58G1 \ I \\\ \\\\ \ \\ \\\�` \\ \\ \�• \ \ \ — PANTOPS CORNER, D.B. 4358-684, -------' i_---I 688 PLAT \ I \ \', .,— ,_ /�------------------------ \ ZONED: HC / f \ \ CLASS At RIP RAP F1 / p. I' AT OUTLET OF F1. / — -- — �/ -340— Z \ S' MWIMHM-0.9DTF�/ — — 0 yR F'IN_ _ _ \ \ \ 3\�\ `--_--- --/ by /_---\----- `_----__-_-_ ____ YYY / � 'ID0 R F 0 DPLL' „►_'� O / �'�_ -_ --- - ^`-_-` /` ,- / ------_ ----- \__'_'_/___----- - y �--------'' \ \\\ \ ---- - - - - - - - - - - - — 350 _--___ __ ---` � _-' /\- ' 49 S R A� \ \ \\ \ \ / LAS 50p T O o Al I \\ \\.. \ \ \ \\ \ \ \ w\ \\ \� — 350- — / / /� UTLET OF 1. FlJ .5' MINIMUM WIDTH ODPL / / I 0' LENGTH -360— — \ \ \ \ \ DE TION\PQND EASIN �O"5E _ \\ \ r �\ \ T INIFROM iME LOWER SIDE• - /(. I \ \ \\ `\\� \ . \\ `\ \C`NS CTI AND MAINTEPFRR -- \\�__ /' \\ \ \\ DSHALL E F µ-THE EASTERN � 60 — SIDE A ID TURBAS OPES-- - '- \ II\ / - - - - - - - - - - - - /' \ 1 / _ /- - - - - - - - - - - 190 RIP RAP AT \ --__- /_--_`- - - - - - - -____-- OUICET�}5' 1 I I __-___ \\ / \ // /// �'/'// /__-_--- _ 380 — — / �NIMUM WIDTR- — — — — - �390— �� \ - -- °' \ III 11 _ \(\ 'l /'//'' /i'''/''----------------- I l l _ _ r--_------_ ----` - m \\ II II 11 —370, _ l\1 / \ ' / ///,///i///,'- / -- _------- _-- --\\ --\\ I \ \\ \ / Xmftxn - - - / / _ �■ NE 4 • __-_- \- \� _ —. _-� 1 11 I III ` '--_y'.' (,/ / j ' /� %/'/ /,/ /�- -- -\\`\\\\ / • _.■ R. A ��\ -\\ ��RII �1�1 II _-___ //� / / j �/ ////�/ /'/ ,------- -`\ il / STR. 32 =r■ 0.05 A o — I 1--------- -- /\ `/' \ \\ \\ / 1 - 0.70 ■ = 0. /5 OP \\\ `__ \ 1111 III II\\\`� \\� \\�� ' / //// I\L \\\\ \` `�\_ —__-- `-- — — — — -- — -- -- — -- ' ,--\ \ ■ STR. 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D3 _ 3 0.42 AC \ ��---------------- \ N'= - 0----___ _ f C 0 84 /� 470 / 3 / 40 0 40 80 12 SHIMP ENGINEERING LAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT Design Focused Engineering 912 East High Stn;et Phone: 434-227-5140 ChadottesNlle, VA 22902 skimp-engineenng.wm Qs —1k LPG, lO U SHIMP > L' . No. 4518 2(zlzc w4 Off, R`sSlru♦t 0 VSMP PLAN ALBEMARLE COUNTY, VIRGINIA 1300 RICHMOND ROAD - FLOW AUTOMOTIVE SUBMISSION: 2020.06.02 REVISION: 01) 2020.10.22 02) 2021.02.02 FILE NO. 19.078 INLET DRAINAGE MAP SHEET C14 OF 15 C14 Scale: 1 "=40' LD-204 Stormwater Inlet Computations Inlets on Grade Only Sag Inlets Only E 2 (n N m E o n O U NO Q E L O O W U C ro E is U Ci � O c10i a F Cy Z y C 2 n O 0) 0 n N x > a oani (9 O co m a1 F rq U L n 0 W o 0l c Ci till T C3 C7 L C O n o O = e U 2 N a Ona) O n a 1 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 1 22 23 1 24 (ft) (ac) (in/hr) (cfs) (cfs) (cfs) (ft/ ft) ( ft/ ft) (ft/ ft) (ft) (ft) (cfs) (cfs) (ft) (ft) (ft) D3 DI-36 10 0.42 0.84 0.35 6.5 2.30 - 2.296 0.013 0.035 0.037 0.21 0.50 0.42 5.82 0.35 4.0 1.41 - 1.413 0.013 0.16 0.50 0.31 4.20 A5a* DI3B 6 0.41 0.85 0.35 6.5 2.27 - 2.268 0.013 0.054 0.025 0.080 0.22 0.50 0.44 4.38 0.35 4.0 1.40 - 1.396 0.013 0.16 0.50 0.32 1.99 E1 DI-313 6 0.49 0.82 0.40 6.5 2.59 - 2.592 0.013 0.0247 0.037 0.080 0.24 0.50 0.48 4.16 0.40 4.0 1.60 - 1.595 0.013 0.17 0.50 0.35 2.36 B2 DI-3B 12 0.26 0.70 0.19 6.5 1.21 - 1.205 0.013 0.089 0.020 0.080 2.42 0.17 100% 1.21 0.00 0.19 4.0 0.74 - 0.742 0.013 1.75 0.14 100% 0.74 0.00 B1 DI313 6 0.05 0.77 0.04 6.5 0.25 - 0.246 0.013 0.089 0.020 0.080 1.16 0.09 100% 0.25 0.00 0.04 4.0 0.15 - 0.151 0.013 0.97 0.08 100% 0.15 0.00 A3a DI3A 4 0.05 0.73 0.04 6.5 0.24 - 0.237 0.013 0.015 0.015 0.09 0.50 0.17 5.81 0.04 4.0 0.15 - 0.146 0.013 0.06 0.50 0.13 4.21 A6 DI-3B 10 0.29 0.89 0.25 6.5 1.65 - 1.651 0.013 0.027 0.030 0.17 0.50 0.35 5.76 0.25 4.0 1.02 - 1.016 0.013 0.13 0.50 0.25 4.17 A4a DI3C 12 0.14 0.62 0.09 6.5 0.58 - 0.580 0.013 0.01 0.013 0.06 0.50 0.12 4.91 0.09 4.0 0.36 - 0.357 0.013 0.05 0.50 0.09 3.55 A4 DI-36 6 0.14 0.65 0.09 6.5 0.60 - 0.602 0.013 0.027 0.045 0.12 0.50 0.25 2.75 0.09 4.0 0.37 - 0.370 0.013 0.09 0.50 0.18 1.99 A3 D1-3C 12 0.49 0.85 0.41 6.5 2.69 - 2.686 0.013 0.02 0.020 0.18 0.50 0.35 8.86 0.41 4.0 1.65 - 1.653 0.013 1 1 1 1 0.13 1 0.50 1 0.26 6.41 1 LLD-204 INLET CALCULATIONS C15 LD-229 Storm Drain Design Computations 1300 Richmond Road From Point To Point Catch A (ac) Runoff Coef Inc AC Accum AC Tot Tc (min) Tot Int (10yr) (in/hr) Tot Flow (loyr)(cfs) Up Inv El Dn Inv El Pipe Len (ft) Inv 5 % Pipe Dim (in) Pipe Cap (cfs) Velocity (fus) Flow time Inc (min) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 F2 F1 36.31 339.80 339.21 59.255 1.00% 30 42 9.7 0.10 D3 D2 0.42 0.84 0.35 0.35 5.00 7.10 2.51 411.00 406.73 115.66 3.69% 15 14 8.6 0.22 A5a A5 1.08 0.82 0.89 0.89 5.00 7.10 6.30 405.10 399.62 78.78 6.96% 15 18 13.6 0.10 E1 A3a 0.49 0.82 0.40 0.40 5.00 7.10 2.83 390.80 389.45 208.05 0.65% 15 6 4.6 0.75 B2 B1 0.26 0.70 0.19 0.19 5.00 7.10 1.32 1 392.40 392.23 25.5 0.65% 15 6 3.8 0.11 B1 A3a 0.05 0.77 0.04 0.22 5.00 7.10 1.59 392.03 389.45 117.58 2.20% 15 11 6.1 0.32 A3a A3 0.05 0.73 0.04 0.66 5.00 7.10 4.68 389.25 387.69 240.12 0.65% 15 6 5.1 0.78 A6 A5 0.29 0.89 0.25 0.25 5.00 7.10 1.80 402.04 399.62 20.17 12.00% 15 24 11.6 0.03 A5 A4 1.14 5.00 7.10 8.10 399.42 393.95 66.18 8.27% 15 20 15.5 0.07 A4a A4 0.14 0.62 0.09 0.19 5.00 7.10 1.35 395.77 393.95 75.22 2.42% 15 11 6.0 0.21 A4 A3 0.14 0.65 0.09 1.42 5.00 7.10 10.10 389.95 387.69 28.24 8.00% 15 20 16.2 0.03 A3 A2 0.49 0.85 0.41 2.49 5.00 7.10 17.71 384.69 382.99 64.13 2.65% 18 19 11.9 0.09 A2 Al 2.49 5.00 7.10 17.71 376.78 375.00 55.48 3.21% 18 1 20 12.6 0.07 2 LLD-229 STORM DRAIN CALCULATIONS C15 Flow Pantops LD-347 Hydraulic Grade Line n= 0.012 Junction Loss Outlet Water Inlet Water Structure Surface Surface Number Elev.* Do Oo Lo Sfa% Ht VD Ho O; Vi O;V; Hi Angle Ho Ht 1.3*Ht 0.5Ht Final H Elev. Rim. Elev (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) A2 377.98 1.50 17.70 55.5 2.42% 1.34 12.6 0.62 17.70 11.9 211.2 0.77 39 0.95 1.57 0.78 2.127 380.11 387.46 A3 385.89 1.50 17.70 64.1 2.42% 1.55 11.9 0.55 4.68 5.1 24.0 0.14 73 0.25 0.80 1.04 1 0.522 2.074 387.96 400.39 A3a 390.25 1.25 4.68 240.1 0.45% 1.07 5.1 0.12 1.59 6.1 9.7 0.20 41 0.25 0.37 0.49 0.243 1.315 391.56 403.75 B1 393.03 1.25 1.59 117.6 0.05% 0.06 6.1 0.15 1.32 3.8 4.9 0.08 90 0.15 0.30 0.39 0.194 0.254 393.29 396.85 B2 393.40 1.25 1.32 25.5 0.04% 0.01 3.8 0.07 0.00 0.0 0.0 0.00 0 0.00 0.07 0.09 0.043 0.052 393.45 396.85 *Outlet WSE is listed as the greater of either the calculated tailwater or the irnert out. LD-347 HYDRAULIC GRADE LINE CALCULATIONS COUNTY OF ALBEMARLE Department of Community Development Construction Record Drawings (As -built) for VSMP The following is a list of information required on construction record drawings for stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the construction record drawing be prepared by someone other than the designer. Please do not provide design drawings as construction record drawings. A. A signal and darted professional seal of the preparing engineer or surveyor. B. The name and address of the firm and individual preparing the drawings on the Lille sheet. C. The constructed location of all items associated with each facility, and the inspection records to verify proper dimensions, materials and installation. The items include, but are not limited to the following: 1. Inspection Records and photographs for pipe trenches and bedding, including underdrains. 2. Video Pipe Inspection for any pipes which are not accessible or viewable. 3. Updated Location with geo-coordinates of all facilities. 4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities. 5. Current physical and topographic survey for all earthen structures. Ponds should include a survey of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required for alterations from the design. 6. Plants, location and type. 7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the installed type of drainage structures, culvert/pipe size, weirs, materials, inlets or end treatmenl(s), inlet and outlet protection, alignment and invert elevations compared to design. 8. Computations: For significant deviations from design, provide scaled computations verifying that the as -built condition is equivalent or better than design. 9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical sections and linings. 10. Easements - Show all platted easements with dead book references labeled. Facilities and drainage must be within platted casements. Provide copies of recorded documents. 11. Guardrail, fences or other safety provisions - Display the constructed location of all safety provisions: fences, guardrail, including the type, length and applied end treatments, compared to design. 12. Material layers - biofrlter media, stone layers, sand layers, keyways and cores must be verified as to material types and depths. Include inspection reports, boring or test pit reports and materials certifications. Biel titer media must be an approved stale mix. 13. Access roads - show location of access roads, surface treatment. drainage, etc, as applicable. 14. Compaction reports are required to verify fill compaction in dams. 15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning. VSMP AS -BUILT REQUIREMENTS 5 C15 Flow Automotive Pond Riser Buoyancy Calculation Riser Dimensions: D= 48 H= 4.86 'above pond bottom Riser Volume= 61.1 cubic feet Buoyant Force =p*V = 62.41 b/cf *61.1 cf Buoyant Force = 3811 Ibs 1.25x BF = 4764 Ibs (factor of safety) Volume of Concrete in Riser Thickness=6" Concrete Volume = 44.2 cf Base Weight =p*V = 150 1 b/d * 44.2 Riser Weight= 66271bs Riser Weight > 1.25*Bouyant Force RISER FLOTATION ANALYSIS sP - Rivanna River Nutrient Bank Certificate No, James-039 July 16, 2020 KENDRA PATRICK, EIT Project Engineer Shimp Engineering, P.C. 912 East High St. Charlottesville, VA 22902 Kendra(a)Shimp-Engineerinq.com With a copy to: Buddy Thomas ( loth omas(c�f Iowa uto. com Owner: Flow 1300 Richmond LLC Contact: Buddy Thomas ( bthomas(a)flowauto.com) Project: 1300 Richmond Road Project No.: 19.078 DEQ SWM Nci Location: 1300 Richmond Road Charlottesville, VA 22911 Coordinates: (38.03497,-78.45035) Legal Reference: TMP 78-6 & 78-7 Receiving Water: Meadow Creek HUC12: 020802040401 Estimated Credits Required: 2.59 lb Dear Kendra and Mr. Thomas, SHIMP ENGINEERING ro LAND PLANNING I SITE DESIGN I CIVIL ENGINEERING I PROJECT MANAGEMENT Design Focused Engineering 0 912 East High Stet Phone: 41-227-5140 Chatlottesmile, VA 22902 shimp-engineenng.wss This letter is to confirm the availability to your project (referenced above ) of authorized Nutrient Credits sufficient to meet the your estimated requirements of 2.59 Nutrient Credits at our Rivanna River nutrient offset credit bank facility (the "Bank"). The Bank has been registered with the Virginia Department of Environmental Quality (DEQ). These Nutrient Credits are generated and managed under the terms of the Reduction Implementation Plan for the Bank dated November 2017, which was authorized by (DEQ) on September 5, 2018. The Bank has been authorized to provide Nutrient Credits for use in the .lames River watershed. These credits are transferable to those entities regulated under DEs Sloetre; Water Management program in accordance with VA Code 62.1-44.15:27. If we can provide further assistance please feel free to contact our office. Hotel Street Capi C, Bank Sponsor By Its M er Thomas m oss 1 540-68 -0171 ,Rivanna River Nutrient Offset Trading Bank, 31 Garrett Street, Warrenton, Virginia 20186 NUTRIENT CREDIT AVAILABILITY LETTER SLPG, O�R`sSlrlSH N51IMPw4 > 83 (z4zc ust VSMP PLAN ALBEMARLE COUNTY, VIRGINIA 1300 RICHMOND ROAD - FLOW AUTOMOTIVE SUBMISSION: 2020.06.02 REVISION: 01) 2020.10.22 02) 2021.02.02 FILE NO. STORM DETAILS SHEET C15 OF 15 C15