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HomeMy WebLinkAboutWPO202100023 Plan - VSMP 2022-07-12GENERAL NOTES APPLICANT 058A2-00-00-02100 SCOTT'S IVY EXXON 4260 IVY ROAD CHARLOTTESVILLE, VA 22903 OWNER: SR&DR LLC 1031 MILTON DRIVE KESWICK, VA 22947 ENGINEER: COLLINS ENGINEERING 200 GARRETT ST. SUITE K, CHARLOTTESVILLE, VA 22902 TELEPHONE (434)293-3719 FAX (434)293-2813 CONTACT: MR. SCOTT COLLINS, P.E. scott@collins-engineering.com TAX MAP NO. 058A2-00-00-02100 (D.B. 5139/ PG. 134) AREA 1.587 AC ZONING C-1 COMMERCIAL, WITH FLOODPLAIN, CRITICAL SLOPES, & ENTRANCE CORRIDOR (EC) OVERLAY DISTRICTS NOTE: A SPECIAL USE PERMIT (SP 2020-06) WAS APPROVED BY THE BOS ON AUGUST 19, 2020 FOR THE USE OF THE PROPERTY AS AN AUTO SERVICE STATION WHEN NOT SERVED BY PUBLIC WATER OR AN APPROVED CENTRAL WATER SUPPLY. SETBACKS FRONT BUILDING SETBACK: 10' MINIMUM AND 30' MAXIMUM SETBACK FROM ROUTE 250 SIDE & REAR BUILDING SETBACK ABUTTING ZONED RESIDENTIAL USES: 50' MINIMUM & NO MAXIMUM SETBACK SIDE & REAR BUILDING SETBACK ABUTTING ZONED COMMERCIAL/INDUSTRIAL USES: SEPARATION IN ACCORDANCE WITH CURRENT BUILDING CODE PARKING SETBACK: 10' PARKING SETBACK FROM ROUTE 250 BUILDING HEIGHT MAXIMUM BUILDING HEIGHT: 65 FEET PROPOSED BUILDING HEIGHT. • 24 CURRENT/PROPOSED USE. AUTO SERVICE STATION WITH (3) EXISTING SERVICE BAYS AND (4) PROPOSED SERVICE BAYS WITHIN THE 3,200 SF BUILDING EXPANSION CURRENT BUILDING. 1,950 SF W/ (3) SERVICE BAYS PROPOSED BUILDING w/ EXPANSION: 5,150 SF W/ (7) SERVICE BAYS TOPO & SURVEY SURVEY AND BOUNDARY INFORMATION PROVIDED BY MERIDIAN PLANNING GROUP. AND FIELD SURVEY WAS PERFORMED IN FEBRUARY, 2020. DATUM SET BY SURVEYOR. DATUM NAD 83 DATUM ADJACENT PROPERTY OWNERS: SEE EXISTING CONDITIONS, SHEET 2. EXIS77NG VEGETATION THE SITE IS PARTIALLY WOODED IN THE REAR OF THE PROPERTY. SCOTT'S IVY EXXON VSMP PLAN (WP0202100023) SAMUEL MILLER MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA a^z 3� 'Hen„.ee`o y `Eli g fir, SUBJECT o PROPERTY owers W / �Ly U,fI,a s,,,., P�11 IVY Rd IVY Rd 'x VICINITY MAP SCALE: 1" = 110001 Sheet List Table - SITE PLAN Sheet Number Sheet Title 1 COVER 2 EXISTING CONDITIONS & DEMOLITION PLAN 3 EROSION & SEDIMENT CONTROL NARRATIVE 4 EROSION & SEDIMENT CONTROL DETAILS 5 EROSION & SEDIMENT CONTROL PLAN - PHASE I 6 EROSION & SEDIMENT CONTROL PLAN - PHASE II 7 EROSION & SEDIMENT CONTROL PLAN - PHASE III S STORMWATER MANAGEMENT PLAN 9 STORMWATER MANAGEMENT DETAILS 9 TOTAL NUMBER OF SHEETS CRITICAL SLOPES IN ACCORDANCE WITH THE ALBEMARLE COUNTY CRI77CAL SLOPES COUNTY MAPPING I/ . °'°' 1' .- " � % ZONED: Cr PARAoi= CRITICAL SLOPES EXIST ON THE PROPERTY AND ARE SHOWN ON SHEETS 2 AND 4. ern- 1.587 AC. �� V� SEPTIC A� I L WATERSHED THIS DEVELOPMENT LIES WITHIN THE IVY CREEK WATERSHED. THE SITE IS NOT LOCATED � / TANK LID � WITHIN A PUBLIC WATER SUPPLY RESERVOIR WATERSHED, IT IS LOCATED DOWNSLOPE RESOLUTION TO APPROVE � 'jASFI / \ \ \ I / SP 202000006 SCOTT'S IVY EXXON FROM THE SOUTH FORK RIVANNA WATER SUPPLY WATERSHED. z \ FLOODPLAIN/WPO BUFFERS THERE IS A 100-YEAR FLOODPLAIN AND WATER PROTECT70N BUFFER LOCATED ON THIS SITE PER FEMA MAP PANEL J51003CO265D DATED MAY 16, 2016 & COUNTY GIS, RESPECTFULLY. ALSO NOTE THE PARCEL IS OUTSIDE THE LIMITS OF THE FEDERAL & STATE DAM BREAK INUNDATION ZONES PER COUNTY GIS DATA. SITE ACCESS THE SITE ACCESS FOR THE PARCEL IS PROVIDED VIA ROUTE 250 (IVY ROAD). THERE IS AN EXISTING ACCESS EASEMENT ACROSS A PORTION OF THE PROPERTY TO SERVICE PARCEL IMP 58A2-24C & 58A2-24. THE ACCESS EASEMENT WILL BE EXPANDED WITH THE SITE PLAN AND PLATTED WITH AN EASEMENT PLAT BE IT RESOLVED that, upon consideration of the staff reports prepared for SP 20 000006 and all of their attachments, the infoi mation presented at the public bearings, any written comments eceived, and the factors relevant to special use permits in Albemarle County Code §§ 18-22.2.2(16)(a) an 18-33.40, the Albemarle County Board of I upervisors hereby approves SP 202000006, subject to the cond tions attached hereto. I, Claudette K. Borgersen, do hereby certify that the foregoing writing is a true, correct copy f a Resolution duly adopted by the Board o Supervisors of Albemarle County, Virginia, by a vote of six to ero, as recorded below, at a regular eeting held on August 19, 2020. U z z O z � a O E to ) U �m �z ZU W Co z zin o O p Q U Ln V) z w � oe o RETAINING WALLS. NO RETAINING WALLS ARE PROPOSED WITH THE PROJECT - i0N6D, of I r o / (N71*51 NJr Cler c, Board of Cormty Svis rs12 TIRE 0'25^W e • LANDSCAPING: A LANDSCAPING PLAN HAS BEEN INCLUDED IN ACCORDANCE WITH ALBEMARLE COUNTY \ A e Na tTTMP ORDINANCE SECTION 32.7.9, SEE SHEET 5 OF FINAL SITE PLAN. N22.50'2a^Wy tssa' Mr. Gallaway Y_o Ms. LaPisto-Kirtley YMs. Mallek Y UTILITIES• AN EXIS77NG PRIVATE WELL AND SEP77C SYSTEM WILL PROVIDE WATER AND SEWER Ms. McKeel Y SERVICE FOR THE AUTO SERVICE STAT70N EXPANSION. THE SEPTIC SYSTEM WILL BE UPIvfs. Palmer Y UPDATED WITH THE SITE MODIFICATIONS IH IIF RICHMOND - ': ® Ms. Price Y TMP STORMWATER MANAGEMENT FACILITY: STORMWATER MANAGEMENT WILL BE ACHIEVED FOR THE SITE WITH AN ONSITE DETENTION BASIN. THE FACILITY SHALL PROVIDE WATER QUANTITY CONTROL FOR THE SITE. WATER QUALITY SHALL BE ACHIEVED ONSITE WITH THE PURCHASE OF NUTRIENT CREDITS. PARKING LOT/7RAVELWAYS CURB & GUTTER AGRICULTURAL/ FORESTAL DISTRICT: NONE IMPERVIOUS AREAS (WITHIN LOD): BUILDING/STRUCTURES: 6,235 SF (INCLUDING EXISTING CANOPY) PAVEMENT AREA (ASPHALT): 26,517 SF SIDEWALK/CONCRETE AREAS 3, 038 SF OPEN SPACE: NONE PARKING REQUIRED: 1 SPACE/EMPLOYEE = MN. 10 EMPLOYEES x 1 SP/EMPLOYEE = 10 SPACES 2 SPACES / SERVICE STALL = 7 SERVICE STALLS x 2 SPACES = 14 SPACES TOTAL SPACES REQUIRED: 24 PARKING SPACES PROVIDED: 17 PARKING SPACES AVAILABLE TO THE PUBLIC (THIS INCLUDES 1 HANDICAP SPACE) 16 SERVICE SPACES IN THE STORAGE LOT BURIAL SITE. NO CEMETERIES WERE FOUND DURING FIELD INVESTIGATION OF THE SITE. IMPERVIOUS AREAS (WITHIN PROPERTY BOUNDARY): 34,230 SF (0.78 AC) TOTAL (509 IMPERVIOUS SITE) ASPHALT/CONCRETE PAVED PARKING AND CIRCULA77ON AREA (WITHIN PROPERTY BOUNDARY): 28,180 SF PHASING. THIS PROJECT WILL DEVELOP WITH (1) PHASE. NOTES: CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND UTILITIES SHOWN ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO STARTING WORK. CONTACT ENGINEER IMMEDIATELY IF LOCATION OR ELEVATION IS DIFFERENT FROM THAT SHOWN ON THE PLANS, IF THERE APPEARS TO BE A CONFLICT, AND UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THE PLANS. THE CONTRACTOR MUST LOCATE ALL SURFACE AND SUB -SURFACE UTILITIES PRIOR TO ANY WORK ONSITE. ANY SIDEWALK AND/OR CURB DAMAGE IDENTIFIED IN THE SITE VICINITY DUE TO PROJECT CONSTRUCTION ACTIVITIES AS DETERMINED BY THE VDOT INSPECTOR SHALL BE REPAIRED AT THE CONTRACTOR'S EXPENSE. SIDEWALK WILL BE REPLACED AT THE DIRECTION OF THE VDOT INSPECTOR. ANY EXISTING SIDEWALK THAT IS CURRENTLY DAMAGED AND IN NEED OF REPAIR OR NOT IN COMPLIANCE WITH CURRENT STANDARDS SHOULD BE REPLACED AS PART OF THIS PROJECT AS WELL. IN ADDITION, ANY EXISTING CG-12S ALONG THE PERIMETER OF THE SITE SHOULD BE UPGRADED TO MEET CURRENT STANDARD IF NEEDED. ALL SIGNING AND PAVEMENT MARKINGS SHALL BE CONSISTENT WITH THE MUTCD. ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE STRUCTURE MUST HAVE A VISUAL INSPECTION PERFORMED BY THE BUILDING DEPARTMENT. SP20 0-06 Scott's Ivy Exxon Specia Use Permit Conditions I. Development of die use must he in general accord, as determined by the Director of I Zoning Administrator, with the Conceptual Plan title "Scott's Ivy Exxon - Special I Conceptual Layout PI n", prepared by Collins Engine ing, with the latest revision d 2020. To be in genera I accord with the Conceptual PI n, development must reflect th major elements within the development essential to th, design of the development an the narrative and con pt plan: a. Location and building footprint of the proposed expansion. b. The number Ofauto service bays. e. Mitigating lalIu1scaping within the stream buffer, to the satisfaction of the Cc d. Location and type of proposed landscaping tuffer. The landscaping buffer n of deciduous and evergreen plantings, to the satisfaction of the Planning Dir e. Location of the parking areas. 2. The following restrictions to any new outdoor lighting apply: a. all fixtures must befall cutoff; b, lighting is limited to 20 foot-candles at the +ound; c. new outdooi lighting must be on a timer or i otion sensor between the hour AM. 3. All mechanical equipment must be fully screened froat the view of adjacent propertia public streets. 4. Hours of operation of the service station are limited t within 7 AM - 9 PM, Monday Saturday. Fuel sales a e permitted 24 hours per day. APPROVED by the Albemarle County Community Development Department Date 11/29/2022 File WP02021-00023 anning and the m Perm it - e of June 2, following as described in ✓ Engineer. be a mixture of10PMand 6 and adjacent WI Q G I O X LU I� V/ r ,O V I LU O JOB NO. I 202183 SCALE 1 "=30' SHEET NO. 1 BOUNDARY CURVE TABLE Curve Length Radius Delta Tangent Chord Chord Bearing C1 206.21' 2701.49' 4°22'25" 103.16' 206.16' N 71°23'40" E C2 220.12' 1870.00' 6°44'39" 110.19' 219.99' N 68°19'42" W TH OF SCOTT R. LLINSZ -E(3X) / U Lic. No. 035791.'a 2DISE;2X) -- -- -- - - 110 7/12/21 �4 I ONAL z 0 � 1, A5H r I Z C, /! 8 81 ASH 8 ��H -z�" I OQ� C� 1E ASII nNj / ry / / o z PARADISE ° �A" 0 10 AS W 10 ASH �5 POP 2,ASH (2X) 8 ; .H %J ASH 10 ASII 3 0 z S Pub WELL ; 5 U k � m � 5 20 A 5 AS / I EXISTII / / m 0 z 'l � �� �10 ASH �DARADIS' _ CRITICALSL PES / 00 < O o m '3 Ln 1 / �� �� /TMP 58A2-24C CD Lu o 0 P 0 ASH / 720 4 PL ASH N h � � o 12 / RIVANNA WATER & SEWER / o C / /� / / } / PARADISE / AUTHORITY ZONED. Cf C� o / r 15 � �., `p � i F, P1�RADISE PARADISE � / --- Benchmark:LLI 0 A / �� 7 V / / / / o Iron Found I F / / / / 8 N: 3908385.82 ASHI E:11455502.05 sfiE��zAGISCi PARADISE(2X) Elev: 539.11 / ��ry L \ / / / EXISTING �I(ISE STING TREES �.X O ��� CRITICAL SLOPES TMP 58A2-21 (PART 1) LIMITS TO REMAIN SR & DR, LLC 15 ASH DB 5139 PG 1$4 - - 10' \ / / 0 5_4, �' / PARADISE 15 ASHI / Lu C C O ZONED: Cf / ~ U 10 DEL N N 1.587 AC. 8 PARADI E, / o r, r, / / � PARADISE\ v o SEPTIC / �\ EXISTING BUILDING �'� TANK LID _/ 8 ASH � �( 18 ASH / / X / TO REMAIN - �� \ I / \ I I / 10, 0 ASHI 8 PARR ISE /- � 10 MAPLE � R i i / EX. RESIDENTIAL CLUSTER c, / HOUSE 10 ASH` / U ` I TMP 58A2 24 �I i / /, A EATON, LOUIS S OR SUSAN E #4272 i / /;� I \ ZONED: RA0 / /� VEN E r / - < 10 DBL z / 7� / MAPLE 77 / 18 ASH FENC M / r v /10 AS EXI TING TREES / / - sip TOSBE REMOVED / I TYPICAL / / 5 ( ) 8 DOGWOOD 0 z -530 I / `� .. F04'/ O \ �Q-- �iz� \ I / /' / ( I I I I I CV > TMP 58A2-20 — I h �. ti; ��� i F O Cil Q LENVIC, LLC` o� \ PROPOSED FEMA 100 YEAR i N J ° DB ZONED: C1750 \ IF V / V OMR IS CURRENTLY UNDER REVIEW 3801 �� / / �_ FLOODPLAIN - BASED ON MODELING. N Q d --- --5z8- -- \ O WITH i WIT I I H N73'50'25"W- ---- _ -5�4- I 10.55' �� A��LE �� A0 �� N22'50 28"W V (J P i EXISTING FLOODPLAINY& \ I - _ 16.58' WPO BUFFER - BASED ON / \p A .. r�i / \ COUNTY GIS & F_EMA MAPPING Orn O '\ W W 0 _ _522- �, vA 0 _ o z oZS WO - \ \ EXISTING. BUILDING / EXISTING ��9 U PA w Q / / / (� - - _ - TMP 58A2-20A Z / n \ Q _ / I X - \ TO REMAIN GRAVEL O EXISTING ACCESS CAD / 1JOSEPH W RICHMOND Jr V / \ A �!o w' �� TO ADJACENT PR�PERT ES / TRUST v �� FP /_ \ N �� 1 TO REMAIN _520- DB 4992 PG 686 U LU o V I rI; 8.8' o ❑ _Q VDOT .UTILITY \� VARIABLE WIDTH ACCESS � � 45 n' � � � EASEMENT ��' 1 � DB 4522 PG 50 J \ EASEMENT DB 788 PG 841 1-STORY BRICK / / DB 841 PG 721 / / [� 1--I O L 00 n IVY EXXON r \� 1 DB 907 PG 509 EXISTING TREE #4260 // N EXISTING VENDING .•Oo o /,^ TO REMAIN A TO REMAIN' �� \ MW./ /IUl V / /UI� o I TYPICAL F� EXISTING CONCRETf _`/ J \ r BOLLARD'S o z w ❑ / WOOD FENCE i o L GV. (&X SLABS AND STINKS TO �•' I� RIP AP �y) EXISTING / �'� W O z o MW REMAIN 2O'X12' BOX CONCRETE UD Z IY U z \ n � ' � . - _ t ^ INV=521.08 _ w EXISTING• ��� v J / PE ANENT' RAINAGF{ ULVERTS �� / F" x N EXISTING SHRUBS ASPHALT GAS SIGN/ APPROX. X z TO REMAIN -- -- - - -TO BE I \ -- --- 30' FRONT MAX. BUILDIN-SETBACK RELOCATED / E P 43J L LONG 33 5 LJJ o •• •�,. AS ENT � ' V DB 21 G F' o AL EXIS7IN.G (2)GAS-PUMPS S28° '44°W� i - - - - - - — SIGN / / EXISTING /. °. CANOPY ' . __�� OO 1 8' N01°27'06"E /_ a -^ 20.00' � VDOT R/W ® -- - - - - - _ - / 0 10' FR6NT MIN. RUILDINCi S16 _ - & PARK) NG.SE•TEACK, w i � F _ n- - � / o O x N\� PLANTING - - I Fac52o � ASPHALT BEDS MB� ®d i — ENTRANCE \ EX: CURB d TO BE REMOVED � J EXISTING ASPHALT / - - � 1 - - - - GUARDRA S Fz 0 w - - - - - - - - / PAVEMENT WIT�IN o Benchmark: THIS AREA TO BE " 0 DI / Nail Found REMOVED- - ,v / JOB No. - - - TOP=515.06 / z U.S. ROUTE 250 <Q E�STING N:3908000Za4-� ---- -- - --�_—_ _ o � 00 / __--- - 202183 0 INV=510.82 IVY ROAD EXISTING ASPHALT _ _ PAVE1V1EiVT-455637.87 a _ _ _ / _ _ - - _ —� _ _ _ �0 ft^— _ _ �AVEMENI WaTH1N ROAD PAINT Elev: 517.13 y^ / - - - - GRAPHIC SCALE SCALE -528 DB 231 PG 585 THIS AREA TO BE (STRIPING) 20 0 10 20 40 80 II ---- - - - - -- REMOVED. - I i -SHEET NO.- -------- _ _ - - - , - - - - - ( IN FEET) - 1 inch = 20 ft. t 1992 EROSION & SEDIMENT CONTROL MEASURES: STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST of THE FOLLOWING: 3.01 SAFETY FENCE: A PROTEC77VE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE. TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY THE PUBLIC. APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY VIRTUE OF POTENTIAL ACCESS BY THE PUBLIC. 3.02 CONSTRUCTION ENTRANCE: A STABILIZED PAVED CONSTRUCT70N ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS. 3.05 SILT FENCE: A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE, AND TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS. THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 3.07 STORM DRAIN INLET PROTECTION: A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR CURB INLET TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SYSTEMS PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA. INLET PR07ECT70N APPLIES WHERE STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT STABILIZATION OF THE CORRESPONDING DISTURBED DRAINAGE AREA. 3.08 CULVERT INLET PROTECTION- A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM CULVERT. TO PREVENT SEDIMENT FROM ENTERING STORM CULVERTS PRIOR TO PERMANENT STABILIZAT70N OF THE DISTURBED AREA. INLET PR07EC77ON APPLIES WHERE STORM CULVERTS ARE EXIS77NG OR TO BE MADE OPERATIONAL BEFORE PERMANENT STABILIZAT70N OF THE CORRESPONDING DRAINAGE AREA. 3.09 TEMPORARY DIVERSION DIKE.• A TEMPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM UNPR07EC7ED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET TO DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT -TRAPPING FACILITY SUCH AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE TEMPORARILY DIVERTED TO PROTECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON S17F DURING CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WITH PROPER MAINTENANCE. 3.12 DIVERSION: A CHANNEL CONSTRUCTED ACROSS A SLOPE WITH A SUPPOR7ING EARTHEN RIDGE ON THE LOWER SIDE. TO REDUCE SLOPE LENGTH AND TO INTERCEPT AND DIVERT STORMWATER RUNOFF TO STABILIZED OUTLETS AT NON -EROSIVE VELOCITIES. APPLIES WHERE RUNOFF FROM AREAS OF HIGHER ELEVATION MAY DAMAGE PROPERTY, CAUSE EROSION, OR INTERFERE WITH THE ESTABLISHMENT OF VEGETATION ON LOWER AREAS, WHERE SURFACE AND/OR SHALLOW SUBSURFACE FLOW IS DAMAGING SLOPING UPLAND, AND WHERE THE SLOPE LENGTH NEEDS TO BE REDUCED TO MINIMIZE SOIL LOSS. 3.13 TEMPORARY SEDIMENT TRAP: A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. USE BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE CONSTRUCTED EITHER INDEPENDENTLY OR IN CONJUNCTION WITH A TEMPORARY DIVERSION DIKE. 3.14 TEMPORARY SEDIMENT BASIN. A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY. TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET" AND `DRY" STORAGE LONG ENOUGH FOR THE MAJORITY OF THE SEDIMENT TO SETTLE OUT. APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS EQUAL TO OR GREATER THAN THREE ACRES. THERE MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR THE CONSTRUCTION OF A TEMPORARY IMPOUNDMENT. 3.18 OUTLET PROTECTION: STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED AT THE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS. TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PR07ECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE P07EN77AL FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED STORMWATER FLOWS. APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS. 3.19 RIPRAP: A PERMANENT EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WITH FILTER FABRIC OR GRANULAR UNDERLINING. TO PROTECT THE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING THE POTEN7AL FOR INFILTRATION, AND TO STABILIZE SLOPES WITH SEEPAGE PROBLEMS, AND/OR NON -COHESIVE SOILS. USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL COND177ONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETA7VE COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS. 3.20 ROCK CHECK DAMS: SMALL TEMPORARY STONE DAMS CONSTRUCTED ACROSS A SWALE OR DRAINAGE DITCH. TO REDUCE THE VELOCITY OF CONCENTRATED STORMWATER FLOWS, THEREBY REDUCING EROSION OF THE SWALE OR DITCH. THIS PRACTICE ALSO TRAPS SEDIMENT GENERATED FROM ADJACENT AREAS OR THE DITCH ITSELF, MAINLY BY PONDING OF THE STORMWATER RUNOFF. THIS PRACTICE, UTILIZING A COMBINATION OF STONE SIZES, IS LIMITED TO USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS 3.31 TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETA7VE COVER ON DIS77JRBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE PR07EC77ON TO BARE SOILS EXPOSED DURING CONSTRUCTION UN77L PERMANENT VEGETATION OR 07HER EROSION CONTROL MEASURES CAN BE ESTABLISHED. 3.32 PERMANENT STABILIZATION: THE ESTABLISHMENT OF PERENNIAL VEGETATVE COVER ON DISTURBED AREAS BY PLAN77NG SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLE7ON OF CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETA7VE COVER. 3.35 MULCHING. APPLICA77ON OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL SURFACE. TO PREVENT EROSION BY PR07ECTING THE SOIL SURFACE FROM RAINDROP IMPACT AND REDUCING THE VELOCITY OF OVERLAND FLOW. TO FOSTER THE GROWTH OF VEGETATION BY INCREASING AVAILABLE MOISTURE AND PROVIDING INSULA77ON AGAINST EXTREME HEAT AND COLD. AREAS WHICH HAVE BEEN PERMANENTLY SEEDED SHOULD BE MULCHED IMMEDIATELY FOLLOWING SEEDING. AREAS WHICH CANNOT BE SEEDED BECAUSE OF THE SEASON SHOULD BE MULCHED USING ORGANIC MULCH. MULCH MAY BE USED TOGETHER WITH PLANTINGS OF TREES, SHRUBS OR CERTAIN GROUND COVERS WHICH DO NOT PROVIDE ADEQUATE SOIL STABILIZA7ON BY THEMSELVES, CAN BE USED IN CONJUNCTION WITH TEMPORARY SEEDING. 3.37 TREES SHRUBS VINES & GROUND COVERS: STABILIZING DISTURBED AREAS BY ESTABLISHING VEGETATIVE COVER NTH TREES, SHRUBS, VINES, OR GROUND COVERS. TO AID /N STABILIZING SOIL /N AREAS WHERE VEGETATION OVER THAN TURF /S PREFERRED, TO PROVIDE FOOD AND SHELTER FOR WILDLIFE WHERE WILDLIFE HABITAT /S DESIRABLE. APPLIES IN AREAS WHERE 77JRF ESTABLISHMENT IS DIFFICULT ON STEEP OR ROCKY SLOPES WHERE MOWING IS NOT FEASIBLE, WHERE ORNAMENTALS ARE DESIRABLE FOR LANDSCAPING PURPOSES AND WHERE WOODY PLANTS ARE DESIRABLE FOR SOIL CONSERVATION, OR TO ESTABLISH WLDLIFE HABITAT. 3.36 BLANKET MATTING: INSTALLATION OF A PROTEC77VE COVERING OR A SOIL STABILIZATION MAT ON A PREPARED PLAN77NG AREA OF A STEEP SLOPE OR CHANNEL TO AID IN THE CONTROLLING EROSION ON CRITICAL AREAS. 3.38 TREE PRESERVATION AND PROTECTION. PR07EC77ON OF DESIRABLE TREES FROM MECHANICAL OR OTHER INJURY DURING LAND DISTURBING AND CONSTRUCTION AC77W Y. TO ENSURE THE SURVIVAL OF DESIRABLE TREES WHERE THEY WILL BE EFFEC7VE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTECTION, LANDSCAPE BEAUTIFICATION, DUST AND POLLUTION CONTROL, NOISE REDUCTION, SHADE AND OTHER ENVIRONMENTAL BENEFITS WHILE THE LAND IS BEING CONVERTED FROM FOREST TO URBAN -TYPE USES APPLIES IN 7REE-INHAB17ED AREAS SUBJECT TO LAND DISTURBING ACTIVITIES. 3.39 DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND CONSTRUCTION AC77N77ES TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. 3.32 TABLE 3.32-D SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA Total Lbs. Per Acre Minimum Care Lawn - Commercial or Residential 175-200 lbs. - Kentucky 31 or Turf -Type Tall Fescue 95-100% - Improved Perennial Ryegrass 0.5% - Kentucky Bluegrass 0.5% Hieh-Maintenance Lawn 200-250lbs. - Kentucky 31 or Turf -Type Tall Fescue 100% General Slop& (3:1 or less) . Kentucky 31 Fescue 128 lbs. . Red Top Grass 2 lbs. - Seasonal Nurse Crop* 20 lbs. 150 lbs. Low -Maintenance Slope (Steeper than 3, I) - Kentucky 31 Fescue 108 lbs. - Red Top Grass 2 lbs. - Seasonal Nurse Crop* 20 lbs. - Crownvetch Me 20 lbs. 150 lbs. a Use seasonal nurse cropin accordance with seeding dates as stated below: S February 16th through April ...................... Annual Rye May 1st through August 15th ..................... Fortail Millet August 16th through October ...................... Annual Rye November through February 15th ................... Winter Rye a. Substitute Sericea lespedeza for Crownvetch east of Farmville, Va. (May through September use hulled Sericea, all other periods, use unhulled Sericea). If Flatpea is used in lieu of Crownvetch, increase rate to 30lbs./acre. All legume seed must be properly inoculated. Weeping Lovegrass may be added to any slope or low -maintenance mix during warmer seeding periods; add 10-20 lbs./acre in mixes. TABLE 331-A LIMING REQUIREMENTS FOR TEMPORARY SITES Recommended Application pil Test of Auricultural limestone below 4.2 3 tots per acre 41 to 5.2 2 tons per acre 52 to 6 1 tnn per ame TABLE 3JLB ACCEff"Ut TEMPORARY SEEDING PLANT MATERIAL -QU(CK REFERENCE FOR ALL REGIONS" Rare Flantin. One. State. + (mnijacrF) Sept I - Feb. 15 50150 Mu M Mnual Ryegreu nnrum amid-❑orum) & 50 - 100 Cereal (wimer) Rye (Sce,de real.) Feb. 16-Apr. 30 Anmm[Rye . w- 100 nolinm multi-Rnnim) May 1 . Ang 31 German Millet 50 GENERAL SLOPE (3:1 OR LESS) TOTAL LBS PER ACRE KENTUCKY 31 FESCUE 128 LBS RED TOP GRASS 2 LBS SEASONAL NURSE CROP 20 LBS 150 LBS SEASONAL NURSE CROP FEBRUARY 16 THROUGH APRIL ANNUAL RYE MAY 1 THROUGH AUGUST 15 FOXTAIL MILLET AUGUST 16 THROUGH OCTOBER ANNUAL RYE NOVEMBER THROUGH FEBRUARY 15 WINTER RYE NOTES: 1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32. 2. SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION OF SEED APPLICATION, IN ACCORDANCE W/ VESCH STD 3.35, PERMANENT SEEDING SCHEDULE PS NO SCALE (STD. & SPEC. 3.32 OF VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK, 3RD ED.) EROSION CONTROL NOTES ES-1: UNLESS OTHERWISE INDICATED, ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTCES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. ES-2. 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. ES-J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. ES-4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE S1TE AT ALL TIMES. ES-5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. ES-5: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADD177ONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. ES-7.•ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING AC77WTIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. ES-8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED WATER FILTERING DEVICE. ES-9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. General construction notes for Erosion and Sediment Control plans 1. The plan approving authority must be notified one week prior to the pre -construction conference, one week prior to the commencement of land disturbing activity, and one week prior to the final inspection. 2. All erosion and sediment control measures will be constructed and maintained according to minimum standards and specifications of the Virginia Erosion and Sediment Control Handbook and Virginia Regulations VR 625-02-00 Erosion and Sediment Control Regulations. 3. All erosion and sediment control measures are to be placed prior to or as the first step in clearing. 4. A copy of the approved erosion and sediment control plan shall be maintained on the site at all times. 5. Prior to commencing land disturbing activities in areas other than indicated on these plans (including, but not limited to, off -site borrow or waste areas), the contractor shall submit a supplementary erosion control plan to the owner for review and approval by the plan approving authority. 6. The contractor is responsible for installation of any additional erosion control measures necessary to prevent erosion and sedimentation as determined by the plan approving authority. 7. All disturbed areas are to drain to approved sediment control measures at all times during land disturbing activities and during site development until final stabilization is achieved. 8. During dewatering operations, water will be pumped into an approved filtering device. 9. The contractor shall inspect all erosion control measures periodically and after each runoff - producing rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of the erosion control devices shall be made immediately. 10. All fill material to be taken from an approved, designated borrow area. 11. All waste materials shall be taken to an approved waste area. Earth fill shall be inert materials only, free of roots, stumps, wood, rubbish, and other debris. 12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning Ordinance section 5.1.28. 13. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle. 14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of 7:00am to 9:00pm. 15. Borrow, fill or waste activity shall be conducted in a safe manner than maintains lateral support, or order to minimize any hazard to persons, physical damage to adjacent land and improvements, and damage to any public street because o slides, sinking, or collapse. 16. The developer shall reserve the right to install, maintain, remove or convert to permanent stormwater management facilities where applicable all erosion control measures required by this plan regardless of the sale of any lot, unit, building or other portion of the property. 17. Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75 lbs/acre, and in the months of September to February to consist a 50150 mix of Annual Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion control inspector. 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the Lop 4-6 inches of soil. Fertilizer shall be applied at 1000lbs/acre and consist of a 10-20-10 nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or Tall Fescue and 0-561c Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be applied at 801bs/100sf. Alternatives are subject to approved by the County erosion control inspector. 19. Maintenance: All measures are to be inspected week) and after each rainfall. An damage P Y Y g or clogging to structural measures is to he repair immediately. Silt traps are to be cleaned when 50% of the wet storage volume is filled with sediment. All seeded areas are to be reseeded when necessary to achieve a good stand of grass. Silt fence and diversion dykes which are collecting sediment to half their height must be cleaned and repaired immediately. 20. All temporary erosion and sediment control measures are to be removed within 30 days of final site stabilization, when measures are no longer needed, subject to approval by the County erosion control inspector. 21. This plan shall be void if the owner does not obtain a permit within 1 year of the date of approval. (Water Protection Ordinance section 17-204G.) 22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the land disturbing activity commenced. (Water Protection Ordinance section 17- 207B) IIATI P ' --JAW011P1N ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR AND WILL BE APPLIED TO DISTURBED ARES THAT WILL NOT BE BROUGHT TO FINAL GRADE WITHIN 30 DAYS. PLANTS SHOULD BE SELECTED APPROPRIATE TO THE SEASON AND SITE COND177ONS FROM TABLES 331B AND 3.31C. NOTE THAT TABLE 3.31B PRESENTS PLANTS WHICH CAN BE USED WITHOUT EXTENSIVE EVALUATION OF SITE CONDITIONS; TABLE 331C PRESENTS MORE IN-DEPTH INFORMAT70N ON THE PLANT MA7ERIALS. To CONTROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO GERMINATE AND GROW. SEEDBED PREPARATION IS ESSENTIAL. AN EVALUATION SHOULD BE CONDUCTED TO DETERMINE IF LIME IS NECESSARY FOR TEMPORARY SEEDING. TABLE 331A MAY BE USED TO DETERMINE THE ACTUAL NEED ALONG WITH SUGGESTED APPLICATION RA TES: FERTILIZER SHALL BE APPLIED AS 600 LBS/ACRE OF 10-20-10 (14 LBS/1,000 SQ. FT.) OR EQUIVALENT NUTRIENTS. LIME AND FERTILIZER SHALL BE INCORPORATED INTO THE TOP 2 TO 4 INCHES OF THE SOIL IF POSSIBLE. IF THE AREA HAS BEEN RECENTLY LOOSENED OR DISTURBED, NO FURTHER ROUGHENING IS REQUIRED. WHEN THE AREA IS COMPACTED, CRUSTED, OR HARDENED, THE SOIL SHALL BE LOOSENED BY DISCING, RAKING HARROWING OR OTHER ACCEPTABLE MEANS. TRACKING WITH BULLDOZER CLEATS IS MOST EFFEC7VE ON SANDY SOILS. THIS PRACTICE OFTEN CAUSES UNDUE COMPACTION OF THE SOIL SURFACE, ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PLANT GROWTH AS EFFECTIVELY AS OTHER METHODS OF SURFACE ROUGHENING. SEED SHALL BE EVENLY APPLIED WITH A BROADCAST SEEDER, DRILL, CUL77PACKER SEEDER OR HYDROSEEDER. SMALL GRAINS SHALL BE PLANTED NO MORE THAN 1i INCHES DEEP. SMALL SEEDS, SUCH AS KENTUCKY BLUEGRASS, SHOULD BE PLANTED NO MORE THAN 4 INCH DEEP. OTHER GRASSES AND LEGUMES SHOULD BE PLANTED FROM ld INCH To J DEEP. SEEDINGS MADE IN FALL FOR WINTER COVER AND DURING HOT AND DRY SUMMER MONTHS SHALL BE MULCHED ACCORDING TO MULCHING, STD. & SPEC. 3.35, EXCEPT THAT HYDROMULCHES (FIBER MULCH) WILL NOT BE CONSIDERED ADEQUATE. S7RAW MULCH SHOULD BE USED DURING THESE PERIODS. AREAS WHICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION WILL BE RE -SEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. DESCRIPTION OF EROSION & SEDIMENT EROSION CONTROL NOTES & NARRATIVE CONTROL MEASURES: THE PURPOSE of THIS LAND DISTURBING ACTIVITY IS TO GRADE THE IVY EXXON SITE FOR THE EROSION AND SEDIMENT CONTROL MEASURES: EXPANSION OF THE EXISTING SERVICE STATION. THE TOTAL AREA TO BE DISTURBED WITH THIS PLAN IT IS ANTICIPATED TO USE CONSTRUCTION ENTRANCES, DIVERSION DIKES, EXISTING SEDIMENT IS 0.98 ACRES. BASINS, AND SILT FENCES WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY EXIS77NG SI7E CONDITIONS SEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES. THE MAJORITY OF THIS SITE IS GRAVEL PARKING AROUND THE BACK AND SIDES OF THE EXISTING TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED BUILDING. BEHIND THE GRAVEL LOT IS GRASS WITH A FEW PLANTED TREES AND AT THE BACK OF THE PROPERTY IS A WOODS GRASS COMBINATION TO BE PROTECTED. THIS SITE SLOPES TO THE FROM AREAS TO BE GRADED AND STORED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL SOUTHEAST DIRECTION, DRAINING TO A RIPRAP BANK OF LITTLE IVY CREEK. THE SITE IS LOCATED TO BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT THE NORTH OF IVY ROAD. THE EXISTING SINGLE FAMILY HOUSE WILL REMAIN UNDISTURBED, AS WELL SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND AS THE EXISTING SERVICE STATION STRUCTURE AND CANOPY. THE EXISTING CONCRETE SLABS AND WHERE CONSTRUCTION ACTIVITIES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE UNDERGROUND STORAGE TANKS WILL REMAIN. EXISTING ASPHALT PAVEMENT ON SITE WILL BE MILLED PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. AND OVERLAID. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. ADJACENT AREAS: TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH IMLL BE LEFT THIS SITE IS BORDERED TO THE SOUTH BY IVY ROAD AND TO THE NORTH BY C&O RAILROAD. DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED NTH FAST PROPERTIES ZONED COMMERCIAL ARE TO THE EAST AND WEST. GERMINATING VEGETAT7ON IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS. SELECTION OF OFFSITE LAND DISTURBANCE. SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. IMPROVEMENTS TO BE MADE WITHIN THE VDOT RIGHT-OF-WAY ALONG IVY ROAD. CRITICAL AREAS: CONSTRUCTION ENTRANCE: SILT FENCE SHALL BE MAINTAINED ALONG THE LIMITS OF DISTURBANCE TO THE NORTH, EAST AND A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF WEST TO PROTECT THE ADJACENT PROPERTIES. TREE PROTECTION FENCING WILL BE PLACED ALONG VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE TO REDUCE THE AMOUNT OF MUD THE EXISTING TREELINE TO BE PROTECTED. CONTRACTOR SHALL ENSURE THAT ALL SEDIMENT TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. MAINTENANCE CONTROLS ARE ALONG IVY ROAD TO ENSURE THAT NO SEDIMENT LEAVES THE SITE CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE 774E AND DRAINS ONTO IVY ROAD. THERE ARE CRITICAL SLOPES ON THIS SITE THAT ARE NOTE TO BE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS. DISTURBED. FURTHER, GRADING SHALL NOT OCCUR WITHIN THE 100-YEAR FLOODPLAIN. SILT FENCE., SOILS: A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHE7IC FILTER FABRIC STRETCHED SOILS MAP IS INCORPORATED INTO EROSION CONTROL PLAN PHASE l WITH SOILS DATA INCLUDED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN WITH THIS NARRATIVE. SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN SEQUENCE OF CONSTRUCTION: PHASE l: ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE TO DECREASE THE VELOCITY OF SHEET 1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE APRE-CONSTRUCTION MEETING AS REQUIRED. FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS. THE SILT FENCE BARRIERS SHALL BE 2. PRIOR TO DISTURBANCES, 774E LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF PROTEC77ON FENCING SHALL BE INSTALLED. FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH J. No EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCT70N PROCESS RAINFALL AND MAINTAINED IN ACCORDANCE NTH THE VIRGINIA EROSION & SEDIMENT CONTROL WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT HANDBOOK (VESCH). 4. THE PROPOSED CONSTRUCTION ENTRANCE WITH WASH AREAS SHALL BE INSTALLED AS SHOWN ON PERMANENT STABILIZATION: THE PLANS. THE CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO SEDIMENT IS ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY THOROUGHLY AT THE END S17F CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. 5. INSTALL THE INITIAL CONSTRUCTION MEASURES AS SHOWN ON THE PHASE I EROSION CONTROL TEMPORARY SEEDING: SHEET THIS INCLUDES (1) SEDIMENT TRAP, WIRE SILT FENCE, AND DIVERSION DIKES MEASURES THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND Wl77-1 APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE TAKES PLACE. FOR A PERIOD OF MORE 77-IAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO 6. ONCE ALL THE PHASE I EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE PR07ECTION TO BARE SOILS EXPOSED EROSION CONTROL PHASE l PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL DURING CONSTRUCTION UN77L PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES MEASURES, THE CONTRACTOR CAN BEGIN THE MINIMUM GRADING OPERATIONS. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES, AND DIVERSIONS CAN BE ESTABLISHED. IMMEDIATELY AFTER INSTALLATION. DUST CONTROL: 7 PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOL177ON AND SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE TEMPORARY SOIL CONSTRUCTION ACTIVITIES. STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS To DENUDED AREAS THAT MAY NOT BE AT TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE To BE LEFT DORMANT FOR TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. MORE THAN ONE YEAR. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. TEMPORARY DIVERSION DIKE: PHASE //. 8. PHASE ll WILL BE COMPRISED OF BUILDING THE SERVICE STATION EXPANSION AND GRADING THE A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED PROPOSED PAVED ASPHALT LOT/TRAVELWAYS BEHIND THE SERVICE STATION. PLEASE NOTE THE AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM UNPR07ECTED SLOPES AND TO A EXISTING SERVICE STATION, INCLUDING GAS PUMPS ARE TO REMAIN OPERATING DURING THIS STABILIZED OUTLET, OR TO DIVERT SEDIMENT --LADEN RUNOFF TO A SEDIMENT TRAPPING PHASE OF CONSTRUCTION. STRUCTURE. MAX/MUM EFFECTIVE LIVE /S 18 MONTHS. 1O.AFTER ROUGH GRADING OPERATIONS ARE COMPLETE, CONTRACTOR CAN BEGIN INSTALLING THE ROCK CHECK DAMS: ROAD AND DRAINAGE STRUCTURES AS SHOWN ON THE PLAN. INLET PROTECT70N SHALL BE SMALL, TEMPORARY STONE DAMS CONSTRUCTED ACROSS A DRAINAGE DITCH TO REDUCE THE INSTALLED AS SHOWN ON THE PLAN. DRAINAGE STRUCTURES SHALL OUTFALL INTO THE SEDIMENT VELOCITY OF CONCENTRATED FLOWS, REDUCING EROSION of THE SWALE OR DITCH. LIM17ED TO TRAP UNTIL THE SITE IS STABILIZED. USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS, • SHOULD NOT BE USED IN 11. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN LIVE STREAMS. SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STORM DRAIN INLET PROTECTION: STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT THE INSTALLATION OF VARIOUS KINDS OF SEDIMENT TRAPPING MEASURES AROUND DROP INLETS FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. OR CURB INLET STRUCTURES PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA; PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. LIM17ED TO DRAINAGE AREAS NOT EXCEEDING ONE ACRE, AND NOT INTENDED TO CONTROL LARGE, CONCENTRATED STORMWATER FLOWS. PHASE Ill: TEMPORARY SEDIMENT TRAP: 12.ONCE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE CAN TRANSFORM THE SEDIMENT TRAP INTO THE DETENTION BASIN. No ITEM SHALL BE REMOVED OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. MAINTAIN DISTURBED AREAS FOR ENOUGH 77ME TO ALLOW MOST TO THE SUSPENDED SOLIDS TO SETTLE ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT OUT MAXIMUM EFFEC7VE LIFE IS 18 MONTHS. CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR TEMPORARY SEDIMENT BASIN: IN ACCORDANCE WITH THE WRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. A TEMPORARY BARRIER OR DAM WITH CONTROLLED STORMWATER RELEASE STRUCTURES WHICH IS 13.ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 FORMED BY CONSTRUCTING AN EMBANKMENT of COMPACTED SOIL ACROSS A DRAINAGEWAY. IT DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE No LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED DRAINAGE AREAS 3 ACRES OR GREATER IS USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM E SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY FOR ENOUGH TIME To ALLOW Mosr OF THE SUSPENDED SETTLE our. lr CAN MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND CONSTRUCTED ONLY WHERE THERE IS SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY SEDIMENTATION. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS UNLESS DESIGNED AS A PERMANENT POND BY A QUALIFIED PROFESSIONAL. OUTLET PROTECTION. THE INSTALLATION OF RIPRAP CHANNEL SECT70NS AND/OR STILLING BASINS BELOW STORM DRAIN OUTLETS TO REDUCE EROSION AND UNDER-CUTTNG FROM SCOURING AT OUTLETS AND TO SOIL DESCRIPTION REDUCE FLOW VELOCITIES BEFORE STORMWATER ENTERS RECEIVING CHANNELS BELOW THESE 16 - CODORUS SILT LOAM-09 TO 29 SLOPES. THESE DEEP, SOMEWHAT POORLY DRAINED SOILS ARE OUTLETS. FOUND IN FLOODPLAINS. VERY HIGH RUNOFF, WITH MODERATELY HIGH To HIGH PERMEABILITY. CULVERT INLET PROTECTION: A SEDIMENT FILTER LOCATED AT THE INLET To STORM SEWER CULVERTS WHICH PREVENTS SEDIMENT FROM ENTERING, ACCUMULATING IN AND BEING TRANSFERRED BY THE CULVERT. IT 41C -YADKIN LOAM-77 TO 157 SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ALONG ALSO PROVIDES EROSION CONTROL AT CULVERTS DURING THE PHASE of A PROJECT WHERE STREAM TERRACES. MODERATE RUNOFF, WITH MODERATELY HIGH To HIGH PERMEABILITY. ELEVAT70NS AND DRAINAGE PATTERNS ARE CHANGING, CAUSING ORIGINAL CONTROL MEASURES TO BE INEFFECTIVE. 42CJ - YADKIN CLAY LOAM-79 TO 157 SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND SAFETY FENCE: ALONG STREAM TERRACES. MODERATE RUNOFF, WITH MODERATELY HIGH TO HIGH A PR07EC77VE BARRIER INSTALLED To PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL PERMEABILITY. MEASURE. PERMANENT STAB/L/ZAT/ON: STORMWATER RUN-OFF CONSIDERATIONS. PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED AREAS AS PER THE PERMANENT STORMWATER MANAGEMENT. THE STORMWATER RUNOFF FROM THIS PROJECT DRAINS TEMPORARILY TO STABILIZATION OF THIS EROSION & SEDIMENT CONTROL NARRATIVE. THE SEDIMENT TRAP. THE SEDIMENT BASIN AND THE SEDIMENT TRAP WILL BE REMOVED AFTER THE DEVELOPMENT OF THE IVY EXXON PROJECT. AFTER CONSTRUCT70N IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED, FERTILIZED, AND SEEDED AS PER CURRENT VDOT STANDARDS. THIS SHALL CONSIST OF THE FOLLOWING: TOP SOIL - 2" DEPTH LIME - 2 TONS/ACRE FERTILIZER - 600 LBS/ACRE OF 15-30-15 SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX-114 (45 LBS/ACRE PENNLAWN CREEPING RED FESCUE, 37.5 LBS/ACRE ARGILS KEN77JCKY BLUEGRASS, 37.5 LBS/ACRE PARK KENTUCKY BLUEGRASS, 15 LBS/ACRE ANNUAL RYEGRASS & 15 LBS/ACRE PLEASURE PERENNIAL AFTER THESE AREAS ARE STABILIZED THEY WILL BE MOWED AND MAINTAINED ON A REGULAR BASIS. MAINTENANCE: IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC ATTENT70N WILL BE GIVEN TO THE FOLLOWING ITEMS. - A. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. B. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL BE REPLACED. C. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSIT70N REACHED HALF WAY TO THE TOP OF THE BARRIER. D. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. Lic. No. 035791 7/12/21 H Z Z O Z u-I O_ 2:a 2:V ,,AA/ Ln O (n Lu (n ca r Z w O m =, Z O z � O O ¢ m _ ~ H trait w Z � V) o� O IliIII W M MME '-I '-I Q N N v i L9 � 1_ m rr Z 0,11 ate 4 c'M It N C) W0,1\ r'V N W W Z R� V_t F" L9 Q Ix Z x U WI Ul , w Z Ix (~ C/? J� J� 0C O N Z Q 0- 0- �� VI I Z O X LU 1--I V/ r ,0 v / w J t V ~ -t-I LU w O w cc 2 0- (n JOB NO. 202183 SCALE SHEET NO. 3 1992 3.01 tl ..J _.• _• • _ f__ _ _-I 1992 3.05 1992 3.38 SAFETY FENCE iiak PERSPECTIVE VIEW PERSPECTIVE VIEW PERSPECTIVE VIEW PLASTIC FENCE METAL FENCE Source: Adapted from Conwed Plastics and VDOT Road and Bridge Standards 1992 Plate 3.01-1 SILT FENCE CULVERT INLET PROTECTION 'DISTANCE IS 6' MINIMUM IF FLOW IS TOWARD EMBANKMENT FLOW OPTIONAL STONE COMBINATION ROW VDOT 13, #357 OR 15 COARSE TO REPLACE SILT FENCE IN " HORSESHOE " WHEN HIGH VELOCITY OF FLOW IS EXPECTED Source: Adapted from VDOT Standard Sheets and Va. DSWC I RIPRAP Plate 3.08-1 Matti; i-111110 v •- ���!������%���������^1• t.il.i�.I♦../.1•QNrP�f,��fril�t�%trw 1 1992 IIl -, POSITIVE DRAINAGE *MUST EXTEND ruLl WITH `-- O 1 TO SEDIMENT OF INGRESS AND EGRESS P I TRAP NG DEVICE •.r-RAT10N PLAN 12 MIN. POSITIVE DRAINACf 2% TO SEDIMENT TRAPPING DFV'i SECTION A -A A imminuu wato tap of 1 inch tuwA be utstaffed wilts a Hummnu I wch ballcock shutoff cah-e sttpph'Illle a wa-h [lose Nlth a lhallletel of 1 a Il14I tul alleyuale comtaut plesslne. Wash water uiI be calved aw;n how the etlh:ulce to all apptot•ed setlluls al ea to lallil�e �elluund _all srclwlall shall be plch'atted hotu c7Ilawlt Storm flaws. ditches OI I.�'at kn -IH�c� PAVED WASH RACK NO SCALE 3.18 PIPE OUTLET CONDITIONS A A 'IPE OUTLET TO FLAT REA WITH NO DEFINED HANNEL L a 70% �d SECTION A -A FILTER CLOTH KEY IN 8--9•; RECOMMENDED FOR ENTIRE PERIMETER (MIN.) L 'IPE OUTLET TO WELL )EFINED CHANNEL I ft u > 'IM 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. La 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 8 INCHES. Source: Va. DSWC • • ..- 1111. � � :�.➢II■■'��� SIN;, 61 � �'! ;.III',;■=�h�I�Iu����ull� i �11T:i t��U i�' dt �3 1 �J`'�`•,o T��,� e+`fii4��,.,�1 I� C�„u4� �cra ✓iiy r , >^t,.tji°Q7x"`t le \` 'cs,'.! 9' ' G Source: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control, Sherwood and Wyant Plate 3.05-1 1992 SILT FENCE DROP INLET PROTECTION 2 X 4' WOOD FRAME DROP INLET STAKE ELEVATION OF STAKE AND FABRIC ORIENTATION SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IN STREET OR HIGHWAY MEDIANS. 3.07 Source: N.C. Erosion and Sediment Control Plate 3.18-1 Planning and Design Manual, 1988 Plate 3.07-1 FENCING AND ARMORING i ly y 1• � 11 III I I II1IIIIIIIIIIII ID � i dl n,amili. J I�� Pill --jg—ON CORRECT TRUNK ARMORING 00 TRIANGULAR BOARD FENCE Source: Va. DSWC TEMPORARY DIVERSION DIKE 4.5' min. Cimmnact.Pd Soil Plate 3.38-2 Lic. No. 035791 7/12/21 z z z 0 z0 w aLn 0 O � � U) Z w CO � z O� z 0 0 Ln HLn w z � L iiiIiIIIIIII!1101Ar m m rn N M N 0 W171\1 Q W .01�J � 0 J z VD �/ W o VD > _j W 1 O L9 z 0 z C) O z � x F- v w z W > o W I --I W 06 z W O z ~' Ln .. / W O 0 O N U w V LU ~ w a In JOB NO. 202183 SCALE AS NOTED SHEET NO. 4 : MEASURES INTENDED TRAP TE EROSION CONTROL HANDBOOK SPECIFICATIONNUMBER * SEODIMENT SHALL BE CONSTRUOCTED AS A FIRST 5 A � VIRGINIA EROSION & SEDIMENT CONTROL sue, SA SAFETYFENCE 3.01 STEP WITH ANY LAND DISTURBANCE ACTIVITY �� I Sediment Trap design #1 AND SHALL BE MADE FUNCTIONAL BEFORE Q I l 1 �' ASH / drainage area (acres) (< 3 ac) 0.35 CE CONSTRUCTION ENTRANCE 3.02 UPSLOPE LAND DISTURBANCE TAKES PLACE. 01� 8 ASH I trap volumes: OPAINAL CREST OF STONE WEIR wmAe� CR CR CONSTRUCTION ROAD 3.03 �24 ,LSH / elevation (ft) area (sovolume(cf) wlume(cy) CLEI'.GROUND STABILIZATION/ ° 1 ' A: r 511.50 262.0 0 0.0 �� 512 l .00 349.0 152 5.6 DRY STORAGE SF �� SILT FENCE 3.05 10 AS' � I `=✓1° _ i i i O � /10 ASH/ / � '2 A�{ � I � 513.00 555.0 600 22.2 lP STORM DRAIN INLET PROTECTION 3.07 C� V- I 514.00 789.0 1,269 47.0 WET STORAGE TEMPORARYDIVERSIONDIKE 3.09 -'LC aSXj OP uAx cxoun° 515.00 1048.0 2,184 80.9 fE%GWTED) FLIER CLOTH orer�Nu 8 ,I' �AO ASH 0 L� _ W � TEMPORARY ROW DIVERSION 3.11 zT ? �. _o ^ ,., � 1� -SEE PLATE 111 1 COARSE u�ECAW cuss I Rrwr } wet storage: SOIL TYPE qiC i � � L ��1 � 1 g * I ;/ � � � 2 A:�i � � I � � wet storage required (cy) (67 DA) 23.5 ST SEDIMENT TRAP 3.13 8 P 0 / _ bottom of stone weir (ft) 513.05 T i I wet storage provided at this elevation (cy) 23.5 ASH WELL EXISTItj� ! / slope of wet storage sides 2:1 OA - P OUTLET PROTECTION 3.18 20 - ,, PARADISE CRITICAL SL PES weir length (ft) (6xDA) 2.1 5• G W dry storage: bottom of trap elevation (ft) 511.5 RR RIPRAP 3.19 ' ` TING*ELL / d storage required c 67*DA 23.5 bottom try dimensions: 18'1 TMP 58A2-24C p FY 9 req (Y) ( ) P m H 0 ASH �' 0 ASH RIVANNA WATER & SEWER crest of stone weir 514.0 top of dam elevation (it) 515 z w i� RADISF AUTHORITY dry storage provided at this elevation (cy) 23.5 top width of dam (ft) 6' o z TS TS TEMPORARY SEEDING 3.31 co H O g 15 / ZONED: Cf slope of dry storage sides 2:1 top trap dimensions 33'X4T d / I / (n Uo PS PS PERMANENT SEEDING 3.32 _ _ PARADISE / w Co z �/ o 0 MU MU MULCHING 3.35 _ "5 10 A"' N I z O ark: 7 \ p a U nd F / �szb. �� - x ��, m ulni TPA TREE PROTECTION 3.38 385.82 ILU 502.05 i� =PROPOSED LIMITS OF DISTURBANCE (TYP.) SHED / _P 1'1` IPARADISE(2X) / `' TP / / � l � rr � DC OC DUST CONTROL 3.39 9 - 11 / �� EXISTING`, X / � aL TMP 58A2-21 (PART i) � � ' � M'�. �, � l / / O CRITICAL SLOPE BM SOIL STABILIZATION BLANKET 3.36 _ �, - i A - W i v i S SR & DR, LLCM 5 ASH 177-1-7-171 FINAL LANDSCAPE BUFFER AREA TO BE �, - A DB 5139 PG 1 �4-- -� \ / PLANTED AS SOON AS CLEARING AND /_� \\ ZONED: C,i PARAD -� X \\\ 10 DBL\ ' GRADING OF THEAREA IS COMPLETE �.,' 1.587 AC. SEPTIC PAI I I \ RADISE I �- w WIRE TANK LID_ 18 ASH ��%\ SF SUPPORT SOIL TYPE 10 J 8 PAR SE BOUNDARY (TYP.) 1 / EX. RESIDENTIAL R 10 H ^A I TMP 58A2-24 � HOUSE /I / EATON, LOUIS S OR SUSAN E a #4272 R NAGEAREA TOSILT f 1 / ZONED: RA } 10 DBL / E CE=�,Zo ACRES VEN E 10 ' I I I / < MAPLE / �18 ASH O \ FENC 7` PA IDI EI / SOIL TYPE 42C3 /10 ASH NOTE: SILT FENCE AND SAFETY FENCE SHALL BE INSTALLED AT LIMITS OF DISTURBANCE. THESE ARE OFFSET / - �♦ 8 DOGWOOD / M� \ \ FOR GRAPHICAL PURPOSES. / 53°� \ \ \ \ \ \I /k♦♦ WASH RACK / ��f \ DRAINAGE DIVIDES ARE MEASURED ATTHE / / \ � \ \ 3 i � ♦♦ / � \ so LIMITS OF DISTURBANCE OR DIVERSION i _ A ♦ �a. _� DIKE. i / -- L9 Z / - - I o 5� ♦ s�2 /� � f t \ z / TYP 58A2-20 - \ I \ y� - ♦ ■ ♦' ■ A~ X as �, \ \ O LENVIC, LLC I \ f DRAINAGE ■ ■ ■ ■ �oz . f Oo NOT :CONTRACTOR IN i DB 3801 PG 750 V A V I z /DIVIDE (TYP.) �i D ENSURE POSTIVE DRAINAGE / M i I V ALONG DIVERSION DIKE ZONEDC1 - - \ \ \ \ 1f O CONTRACTOR STAGING AREA " 0 \ ° -51a WITH RAIN GUAGE PAINT/SOLVENT / / STORAGE, DUMPSTER, AND PORTA-POTTIES - o CONC E E WASH ' - 5 ----- 1025 WRLE XX � OBOTTOM OUT\AREA \ i / I I W 0.55OFTRAP Q514 N�O'28°W v P i DEPRESSION FOR / i - 16.58' \ 6' WIDE DAM \ i DETAINING VEHICLE----.\ V 1 OO WASH WATERS I \ \ �� ._I i ----' ( DRAINAGE AREA TO DIMENT / �\ C \ I Z BASIN =o.gSACRES � � I z8 \\ / / ExlsnNc v vr�� UP TMP 58A2-20A ? GRAVEL i I s Q /JOSEPH W RICHMOND Jr o SOIL TYPE 16 18 / TRUST FP / 1�= -� \� �\ �N 1, / / _ - DB 4992 PG 686 FP \ / A A / / / 0 O I 18.8' o �� / Z / / / W 52O 45.0' B OM 0\\ VARIABLE WIDTH ACCESS / OF TRAP J EASEMENT 511.50 TDB 788 PG 841 / Q -STORY BRICK / CE 12'x 7 o' MIN. DB 841 PG 721 / IVY EXXON DB 907 PG 509 / O 0 O \ / N EXISTING VENDING I #4260 / TO REMAIN 0 NOTE: THIS CONSTRUCTION FP MW ENTRANCE SHALL BE INSTALLED, I / \ �" X Z i OPERATED AND MAINTAINED BY \ / / ' 0. OLL 6 .5' / �� THE CONTRACTOR. ALL / / / U w w WOOD FENCE i / 0 �/� ,GV. (&xj CONSTRUCTION TRAFFIC IN THIS ° RIP AP / / / Z MW AREA SHALL UTILIZE THIS i / / _ �+ \\ Q $ \ O EXISTIN -�� W CONSTRUCTION ENTRANCE. / 5' (y / PER ANENT RAINAGF/ _ �� / j W I --I W ASPHAT GAS SIGN titi o EAS ENT SIGN - - / i \ RELOTO,BCATED ' / q° \ DB PG 43J -= - - - , - - I U) O / MW s�61 S28' '44'1 SIGN i� Nor T EXISTING ®�1 CANOPY � V J op �" 1 8' i '' - �� CDV�, W Q 2 06"E / 20.00' VDOTR/W IOl z M� PLANTING IF ° E" - ASPHALT BEDS IP MBA / spa aO / el I W ENTRANCE EX CURB ® i / TO BE REMOVED � LJJ - DITCH, = _ GUARD hti i � / �Benchmark: / _ _ / - O ----- - ------ - --- -- - = Nail Found - - / / O O --- - _ / o U.S. ROUTE 250 w EXIISTING N:39080�Z_54-� / // / __ -- - N - - -- - IVY ROAD _ _ _ _-.5ti$=PAVEfvit fVT- E: 11455637.87 - - _ - �� �- ROAD PAINT Elev: 517.13 - _- DB 231 PG 585 (STRIPING) - - - - - NOTE: THIS PLAN DOES NOTPROPOSEANY GRADING WITHIN ' THE 100-YEAR FLOODPLAIN THEREFORE, THE PROPOSED ~ GRADING WILL HAVE NO IMPACT ON THE ELEVATIONS OR oo ONEAREST -- LIMITS OF THE FLOODPLAIN w -------- _ ' - INTERSECTION - - - - - - - Cr = - - - - - - - - ' - (MORGANTOWN ROAD) ' A li516---------- _ _ - - -- JOB NO. I - --- - --UP- 202183 GRAPHIC SCALE SCALE N \ j ' ^Q 7 5 k O S66'11'40"E U P 20 0 10 20 40 80 1 It F 162.74' AAO S11'07'42"W SHEET No. 2.64' ( IN FEET ) 1 inch = 20 ft. 5 SEDIM vANDBO KSPE Na SPECIFICATION UMBERCONTROL SEDIMENT SHALL BE CONSTRUCTED AS A FIRST EROSION CONTROL ° HANDBOOK SPECIFICATION NUMBER �t SA SAFETYFENCE 3.01 STEP WITH ANY LAND DISTURBANCE ACTIVITY l» 15 ASH 1 I AND SHALL BE MADE FUNCTIONAL BEFORE h II ) CE CONSTRUCTION ENTRANCE 3.02 UPSLOPE LAND DISTURBANCE TAKES PLACE. C� 4 ; / 8 / SH a ,ASH I Il CR CR CONSTRUCTION ROAD 3.03 Z% 4 ,? S H STABILIZATION Q ° 15 l" �" 'HRAUISE ,' � SF � SILT FENCE 3.05 �Q,�� ,� � L i '.� lP 12 STORM DRAIN INLET PROTECTION 3.07� ° ii 0 ASH �' C j / 5 PCP /1 ( / DD -Do - TEMPORARY DIVERSION DIKE 3.09 �0 aS i (2X( v� RW� TEMPORARY ROW DIVERSION 3.11 2AS1 ST SEDIMENT TRAP 3.13 8 'OF I 15 ASH WELL � - > iI LO A /15 ' I EXIST! OUTLET PROTECTION 3.18 10 ASH lr�PARADISE CRITICALSfjL� PES RIPRAP 3.19 EXISTING WELL TMP/ /58/A2-24C 10 ASH / I F ASH 2 RIVANNA WATER 8c SEWER w TS TS TEMPORARY SEEDING 3.31 / ��'' PARADISE I AUTHORITY / _ i / // �// 0 p °/ / ZONED: C1 A / d m O , V / /w Ln U 15 PS PS PERMANENT SEEDING 3.32 6 FARADISE.CPARADISE Iz MU MU MULCHING 3.35 _ •// i , / ' \ " I ,7 \ l i O p ark: _ " ¢_ nd �� ' Y, 56 5"� 0 ��' �8 N m Uli TPA TREE PROTECTION 3.38 385.82 ' - " ' i ,; \ / w z LU SHED P.API-PARADISE(2X) 11 ��//�� " 502.05 f . -PROPOSED LIMITS OF DISTURBANCE (TYPJ TP v \ VJ r o i i N DC OC DUST CONTROL 3.39 9 - 11 EXISTING , TMP 58A2-21 (PART i) / O CRITICAL SLOPES SR & DR, LLCM 15 ASH LU BM SOIL STABILIZATION BLANKET 3.36 _ / �,' Cry / A / W FINAL LANDSCAPE BUFFER AREA TO BE ��, V DB 5139 PG 1 �4-- - -� \ /ki PLANTEDAS SOONAS CLEARINGAND �'; \ ZONED: C1 PARAD f X _ _ \ / * * * * * GRADING OF THEAREA IS COMPLETE �,' �� \ 1.587AC• / /`� 1O 10 DBLDBLSE2� yy WIRE Kw, ti SEPTIC // SH � ��� � 18 ASH � �� CDC SUPPORT I I I I TANK LID_ DC \ f 10 J 8 PARAQISE \ �I j i V I i� EX. RESIDENTIAL R A (0 / / 10 ASH `� hti / TMP 58A2-24 HOUSE / / A EATON, LOUIS S OR SUSAN E #4272 ♦�"" � � + / RAIN;4G�AREATOSILT f � � / � \ ZONED: RA \ - - �TS 10 DBL / ENCE= ao ACRE TS VEN E r S3ti / F0 �D� �Ir I I i < MAPLE / �18� AWN / O \ FENC v I � I /10 ASH \ A NOTE: SILT FENCE AND SAFETY FENCE SHALL BE INSTALLED AT LIMITS OF \ DISTURBANCE. THESE ARE OFFSET I v v\�� 8 DOGWOOD \ / f� \ \ FOR GRAPHICAL PURPOSES. V /ti� WASH RACK +� v A DRAINAGE DIVIDES ARE MEASURED AT THE / t \ \ ! 00 \ so LIMITS OF DISTURBANCE OR DIVERSION DIKE. / / TMP 58A2-20 - \ ! \ y . _ / �� ■ ■ ■ ■ ■ i ■ ■ wM \ as �^ \ NOT : CONTRACTOR TO / l / LENVIC, LLC A / DRAINAGE � f / DB 3801 PG 750 \ / ( ) �1 X / _ \ \ I b DC CONTRACTOR STAGING AREA D ENSURE DIVERSION DRAINAGE % ZONED: C1 _ / / � v AA I � � z � DIVIDE TYP. ��'' "��� a 1 ALONG DIVERSION DIKE Sig_ v \ WITH RAIN GUAGE, PAINT/SOLVENT --— / _ - - - v v V A V STORAGE, DUMPSTER, AND PORTA-POTTIES V 0 C - ONCRETE WASH _ _ _ - i N73'50'25"W \ \ ° -BOTTOM f� OUT AREA 10.55' TRH ;� O� �/ OF TRAP -5a4 \ RLE '� . - , - 511.50 \'� \ I \ /,• ��V / \ \ P \ -N��O'28"W i - 16.58' DEPRESSION FOR 6i� \ ' WIDE DAM \ DETAINING VEHICLE - _ v WASH WATERS I X HX �� I DRAINAGE AREA TO SEDIMENT /00 BASIN =0.35ACRES /' r 26 - - - - -_'TMP 58A2 20A 2 GRAVEL' vc, I .) �� r�� �� P Qw /JOSEPH W RICHMOND Jr q 18' OO C w, / / I / TRUST F❑ �./ .1 Imo= -�� �\ ���01 / / / DB 4992 PG 686 FP / A A 1 / S10- 450' �� B OM �� VARIABLE WIDTH ACCESS o OF TRAP EASEMENT i 5AF 511.50 OO DB 788 PG 841 / N- 1-STORY BRICK j DB 841 PG 721 / CE 1z'x7o' MIN. OO \ IVY EXXON j l DB 907 PG 509 / EXISTING VENDING \ #4260 / TO REMAIN CM) NOTE: THIS CONSTRUCTION OO \ / / / 11 I F� MW ENTRANCE SHALL BE INSTALLED i 0 / OPERATED, AND MAINTAINED BY \ / / OLLARD' 6 .5' THE CONTRACTOR. ALL WOOD FENCE i / o GV. (EX,)' CONSTRUCTION TRAFFIC IN THIS RIP AP / i AREA SHALL UTILIZE THIS o EXISTINC/� -�� MOB ° _ CONSTRUCCTION ENTRANCE. / I PER ANENTI RAINAGF/ 5 ASPHH T ----- - - GAS SIGN' ti ° EA ENT SIGN I \ - ---- -30' FRONT MAX. BUILDIN SETBACK V TO BE ?' h� \ DB PG 43J / lb I -- -_- RELOCATED, a i � 4 •; / • . _ \%" MW s�6 �� �� � ••• •• � / S28' 'A4'WW/ �� — �-- SIGN CANaPI' EXISTING — N01'27'06"E VDOT R W -- --------- / — - - _ - - - - - _ _ - / / ' / i / - - 20.00' -- - -- --- --- -/ -_ - / - . - _10' I'R©NT MIN. P�U)LDIN�, / ' / -� / i - PARKING,SETBACK, - - --G / T & / / ' " POST ' � j _ Q� � C2� - - NQ PLANTING IF MB/ - - - - ASPHALT BEDS �\ 8a / f o 5i8 e/ I a ENTRANCE EX CURB / ✓� TO BE REMOVED, v v DITCH, - --- - - - - i /GUARDRAILS " Benchmark:- _ vIle Nail Found o U.S. ROUTE 250 �Iv E�ISTING N:39080U�Z_54-� - -- - IVY ROAD _ _ _ _ -.5ti$ --PAVEMENT- E: 11455637.87 - - - -- - - -'L - ROAD PAINT Elev: 517.13 DB 231 PG 585 (STRIPING) / NOTE: THIS PLAN DOES NOTPROPOSEANY GRADING WITHIN \ THE 100-YEAR FLOODPLAIN THEREFORE, THE PROPOSED GRADING WILL HAVE NO IMPACT ON THE ELEVATIONS OR \ oo ONEAREST _- LIMITS OF THEFLOODPLAIN. _ - INTERSECTION - - - - - - - \ (MORGANTOWN ROAD) A slb--------- \ --��-- -- ��-v - -- - - - - - - - - - = GRAPHIC SCALE / N \ 51k o \ S66'11'40"E UP 20 0 10 20 40 F 162.74' S11'07'42"W 5 v 2.64' ( IN FEET ) 1 inch = 20 ft. L L` ZM M N W O U0 Q W N Q a W a w a Q Z� \a 0 W / � � 0 z z O 0 0 U z x x U W w W 2: / 0 W F" I"I W U) 0 W Q U W J P� W J� O O O N U w J 0 O a w w UU)) JOB NO. 202183 SCALE 80 1 "-20' SHEET NO. 6 EROSION CONTROL VIRG/NIA EROSION& SEDIMENT CONTROL NOTE: MEASURES INTENDED TO TRAP HANDBOOK SPECIFICATION NUMBER * SEDIMENT SHALL BE CONSTRUCTED AS A FIRST �t OSA SAFETYFENCE 3.01 STEP WITH ANY LAND DISTURBANCE ACTIVITY 1» 1 ASH! AND SHALL BE MADE FUNCTIONAL BEFORE CE CONSTRUCTION ENTRANCE 3.02 UPSLOPE LAND DISTURBANCE TAKES PLACE. � � 4 / 8 �SH �18, ASH / CR CRS CONSTRUCTION ROAD 3.03 �0^� 24 ,? S H n / �/ LH w J A STABILIZATION �Y ; ,,, SF SILT FENCE 3.05 ��ti / 1 U AS' 1 " 7 H, L N GASH' � �'� '''2A-I lP � STORM DRAIN INLET PROTECTION 3.07 � TEMPORARYDIVERSIONDIKE 3.09 .20 aS hi P„P�� / 2X) 0 ASH 0 \Sr' _ �W-�-�-00-* TEMPORARY ROW DIVERSION 3.11 ? .,1 J, %� 1 / 1 SEDIMENT TRAP 3.13 2 Aji WELL / 15- �EXIST! OP OUTLET PROTECTION 3.18 20 A 15 ASH / / � �0 ASH�PARADISE CRITICALSL PES / /RTRS TS RIPRAP 3.19 '/ // i//✓-EXIS/TING/-WELL ' H / / TMP 58A2-24C 0 P � Q ASH ASH P \ � / p zRIVANNA WATER & SEWER TEMPORARY SEEDING 3.31 AUTHORITYco ZONED. Cf CO m 0S3° w Ln u 15 a PS PS PERMANENTSEEDING 3.32°v 6 PARADISE h PARADISE - / �w co (2X) f/ (n D MU MU MULCHING 3.35 ark: 'S 10 A"' - ✓ 6. J r ',7 \ V / zp < O nd �� /, �zy. "�- _� / m TPA TREE PROTECTION 3.38 85.82 -=' ASP /'�-' /' PROPOSED LIMITS OF `' / 10 , 8 I m �I DISTURBANCE=o.98AC: SHED N c� ( ) / VJ o 502.05 P.API -PARADISE \ / E 2X I DC DC DUST CONTROL 3.39 - 11 EXISTING,, h TMP 58A2-21 (PART i) BM SOIL STABILIZATION BLANKET 3.36 / / �jo �� ` CRITICAL SLOPE J / \ V ✓ LU SR & DR, LLC / / 5 ASH FINAL LANDSCAPE BUFFER AREA TO BE �� DB 5139 PC 134 PLANTED AS SOON AS CLEARING AND A ZONED: C,i PA 10 D B L A / GRADING OF THEAREA IS COMPLETE �;' �� 1.587 AC. w WIRE / SE- SF SUPPORT / TANK ram. j i� EX. RESIDENTIAL / � - � A I TMP 58A2-24 HOUSE / / EATON, LOUIS S OR SUSAN E a 40, #4272 / VEN E ZONED: RA , r, I \ O \ FENC � 7 PA IDLE NOTE: SILT FENCE SHALL BE INSTALLED" AT LIMITS OF DISTURBANCE. THESE ARE \ �V OFFSET FOR GRAPHICSE AL PURPOS. WASH RACK CONCRETE WASH /I I I ' � (0*-� I'OUTAREA / a F / TMP 58A2-20 DEPRESSION FOR LENVIC, LLC A fV P OO ETAINING VEHICLE DB 3801 PG 750 A AAA I z WASH WATERS ZONED C1 \ \ I O he \, Szg - - - - - - \ ° - - - - - - - - - � A \ \ \ u CONTRACTOR STAGING AREA - - - - - - O / 0 WITH RAIN GAUGE PAINT/SOLVENT STORAGE —Sz6- - - - - - - N73'50'25"W ' \ \ \ ° ° ' - ° ° '` ' ° + \ \ DUMPSTER, AND PORTA-POTTIES ' -,' ----- 10.55' �� A�TRP FFE= 6.55 �� V / ��i�v / N w ' LE �c N23'k0 28 W S P / �� I z 16.58 i Q - - - - / �0011 � z� � / / N Q PROPOSED 3,200 SFCL �� \ / ..I k BUILDING EXPANSION WITH 4 SERVICE BAYS o / �� �fv� oo - - �MP 58A2-20A Hp.. ��\ \ Q� // / J IOSEPH W RICHMOND Jr w •aDO / TRUST �' o o A / _ — DB 4992 PG 686 1 N I / / / / / V� 0 m Z 18.8' 510— I o �e Ln VD i ( 45.0' / i rI FFE=516.55 / DB ZK_ 1-STORY BRICK IVYEXXON ¢� CE 12'x70'MIN. x #4260 / (J NOTE: THIS CONS RUCT O OO \ � / / ✓ � Q I x I,i ENTRANCE SHALL BE INSTALLED, / // X OLLARD' 6 5' / �b OPERATED, AND MAINTAINED BY / / / U w Z THE CONTRACTOR. ALL w WOOD FENCE / + RIP AP / i �_^ CONSTRUCTION TRAFFIC IN THIS � / S GV. (EX.; , a ( 7� AREA SHALL UTILIZE THIS C- O CONSTRUCTION ENTRAIN E. / W 0 tiry o SIGN - , - w : V) con - '� S28' '44 - - / Q 'WW/ SIGN / / �CANOPY N01'27'06"E ' PS a 20.00' Pi U Z - - o PLANTING _ h H V) - - - - � BEDS - � I I a m v �`�5zs ° ASPHALT '^ / J � ENTRANCE PS I b W w ----------- 'y I � /GUARDRAILS - - _ Benchmark: _ _ - / Nail Found - - / / -- CD- / w 054 ON-- - U.S. ROUTE 250 EXISTING N:3908� IN - — - o -- IVY ROADPANEIVIENT E: 11455637.87 TO REMAIN. ENTRANCE �TO START TART AT THE END �ROAD PAINT OFTHEGUARDRAIL DB 231 PG 585 (STRIPING) -__--- - NOTE: THIS PLAN DOES NOTPROPOSEANYGRADING WITHIN THE 100-YEARFLOODPLAIN THEREFORE, THEPROPOSED ~ GRADING WILL HAVE NO IMPACTION THE ELEVATIONS OR o0 0NEAREST -- LIMITS OF THE FLOODPLAIN w -------- _ ' - INTERSECTION - - - - - - - _ - - - - - - - (MORGANTOWN ROAD) � - _ A li S16---- - - - - -- - --------- -- - -- - -- - -_ -'-_ - - - - JOB NO. u U P G� - -, 202183 _ GRAPHIC SCALE SCALE P N / / / o S66'11'40"E UP 20 0 10 2040 80 1n=20' / / �' Pry - / F 162.74' ��\ O S11'07'42"W SHEET NO. / / ✓ ��� - / 2.64' ( IN FEET ) s:0 1 inch = 20 ft. 7 SE(3X) PRE -DEVELOPMENT SWM PLAN: / SCALE III=301 10 ASH / A_y IP ASH Tc 0 hrs. / 23' OF OLF IN LEV.=2' / 1 rJ r H I 341' OF CONC. FLOW A ELEV.=28' / ^RAS`E H 1 I 10 ASH �► �urn � a+ � � ASH 1 � T ASH �. H I� V:�" 12 ASH � : yo 3° EXISTIN f0 ASH PAR IL _: CRITICALSL PES EXISTING W�L♦ ` TYP 58A2-24C O 1„ nS-i ^'_ ASH RIPANNA WATER &SEWER iI T PART; AAA AUTHORITY �� / (� ♦ 15 ZONED: C1 Z . ,J / S ♦♦ �'S' PARADISE 10 IF 4F ��� / ♦♦`ram �F5,26 'PARADISE(2X) ' � XISTI G TYP 58A2-21 (PART f) �� CRITICAL ORES SR & DR, LLC ' ` DB 6139 PC f34 52N �.. '.5 ASH / O ZONED: Cf " 61 / 1.587 AC. i10 DBL -i PARADISE SEPTIC TEA TANK LI0 IT / EX. IMP 8A 2-24 RESIDENTIAL 20 'L ® l EA TON, LOUIS S OR SUSAN E / 'T� HOUSE \ S ZONED: RA / ,D"l.' #4272 I VA DISE 532 I , Sy0 Sob ,1 SUB �A A h `, �° / 1 ° `�• � \ 12-20 ♦ o .50 ac. LLc SUBJECT PROP RTY, 011,5y _ tio� ° HE BOUNDARY FOR HE/ PCC7750 Typ• i TC CO.lO hCS. -/ 1� i ® N 0 PROPOSED LIMITS�OF� 526 IF / ®� DISTURBANCE 98 ac.) N7350'25°W ( �� / �.' - Si4 IS USED TO FINE/THE oss' APRP $ BOUNDARY FO THE N22'50'28"W Sy '�,6- ® \ VRRM W E UALITY sse' CALCULAT NS, TYP. T- 522 1� TYP 58A2-20A : GRAVENL ✓OSEPH W RICHMOND Jr FP / - o w TRUST �� H olo 520 DB 4992 PC 686 I" ® VARIABLE WIDTH ACCESS $ 45.0 EASEMENT DB 788 PG 94' O I 1-STORY BRICK �� ® DS 841 PG 721 h~ IVY EXXON / ^'� DB 907 PG 509 I M #4260 / EXISTING VENDING r 1 Tc=0.10 hrs. TO REMAIN MW 23' OF OF w/ A ELEV.=2' \ ; FP BOLLARD'S 6os' / a� \ 315' OF ONC. FLO w/ A ELEV.=23' , o . "- w Gv.(a�' \ OWN v� 1 0 5 I $ ASPHACT�_ ° kf�� GAS SIGN �L �% PE ANENT RAINAGE EAS ENT SIGN 5y - TO BE 30' FRONT MAX. BUILDINCAETBACK RELOCATED - 1 o T 22 PG 43 HEADWALL MW N01'27'06"E EXISTING CANOPY j� _ ■ 1 _8' - VDOT R/W -I 20.00' u 10& PAFKINGI SETBACK / o C2 Mg�IF o 0 / EX. CURB TO BE REMOVED � TOP=515.06- - - - INV=510.82 - _ _ _ y • - / 1 � _ 1 5i6 \ S34 HEADWALL CMQ S6611'40"E �58 IF - 162.74' �:. SIV07'42°W zsa' General Construction notes for Stormwater Management Plans 1. All dams and constructed fill to be within 95% of maximum dry density and 2% of optimum moisture content. All fill material to be approved b a PP Y geotechnical engineer. A geotechnical engineer is to be present during construction of dams. 2. Pipe and riser joints are to be watertight within stormwater Management facilities. 3. For temporary sediment traps or basins which are to be converted to permanent stormwater management facilities; conversion is not to take place until the site is stabilized, and permission has been obtained from the erosion control inspector. Pre -Development Impervious Area Summary Subarea A, Water Quantity Building/Structure 4,718 sf Sidewalks/Concrete 2,449 sf Roads/Driveways 32,775 sf 39,942 sf LOD, Water Quality Building/Structure 3,035 sf Sidewalks/Concrete 2,449 sf Roads/Driveways 25,521 sf 31,005 sf WATERSHED SUMMARY CN Area, ac. 1-year Flow, cfs 2-year Flow, cfs 10-year Flow, cfs FDA A (Pre-Dev) 84 1.50 3.52 4.77 8.74 CN Area, 1-year Flow, 2-year Flow, 10-year Flow, DA A (Post-Dev) 86 1.50 2.46 3.51 7.41 CHANNEL & FLOOD PROTECTION SUMMARY Pre-Dev. Post-Dev. Method of 9VAC25-870-66 Method of 9VAC25-870-66 Method of 9VAC25-870-66 Method of 9VAC25-870-66 Subarea Subarea Channel Protection Compliance Limits of Analysis for Channel Flood Protection Compliance Limits of Analysis for Flood Protection Protection A I A & B ISection 6.3.a (Energy Balance) N/A (Energy Balance Satisified) ISection C.2.b (10-yr. Post Flow < Pre Flow) N/A (10-yr. Post Flow < Pre Flow Satisified) A ADISE(3X) �A,ADISE(2X/ / POST -DEVELOPMENT SWM PLAN: SCALE 111_301 - 15 ASH a ASH -�s ASH Tc 0 hrs. 23' OF OLF w LEV.=2' 4 ASH / 5 / ,. ° 341' OF CONC. FLOW A ELEV.=28' PARADISE ASdI,,AH � s 12 1� � a ASH o ASH 1G ASH 12 Asr EXISTIN V0 ASH - PARA IS- CRITICALSL PES EXISTING%L�♦ P "� ELF' TYP 58A2-24C O RIYANNA WATER & SEVER I �, AUTHORITY S ♦� :� RELOCATED POWER ZONED: C1 H ,, POLE WITH STREET i`,' LIGHT ,ARAOISE 2 .ems /- ♦♦ ARnolsE(zx) EXISTI G TYP 58A2-21 (PART i) O r' CRITICAL LOPES SRIt , 19L13 .� ♦♦ ASH D5139 4 52I+ O / \ ZONED: C1 O /_ DBL 1.587 AC. ry �-'ARADISE SEPTIC VDOT STD., TANK D 522 CURB \ / /. / pia SH V soo I �o a1.5' / , EX. - URB / TYP 58A2-24 / RESIDENTIAL ,lO o ®CUT EATON, LOUIS S OR SUSAN E / J HOUSE �� 5 5-�T ZONED: RA PRIVATE ADS #4272 \ i� 00 ® 18"GRATE \ 63.S6 LF PRIVATE 12' ^S, DISE h INLET HDPE PIPE( a1 o.5% I 04 /RIM = 526.20 INV =512.1 0# INV O .79 I ry� 532 Sryry�ry VAR. WIDTH SWM SOS / 3.2% FACILITY & ACCESS -� O\S\ 6, No \ ASEMENT 530 y0 rSEPTIC TANKPti/ \ i DB._ PG.- IIIa NPROPOSED S F �^ \ HE BOUNDARY FOR HE ci Coco SUBJECT PROP RN, h_4 _ _ BOXTO3 VDOT STD. ES-1 50 ry DISTRIBUTIO NP• I ; �y0 - - `LII c g 0 PROPOSED LIMITS/'OF 526 I IF sc 56.a9 T/_-_ ®G DISTURBANCE .98 ) PROPOSED DETENTION I IY/JJ 10.55'U , 12 TRP - APLE N22'50'28°W , UP 16.58' CONCRETJ= I VARIED T A ;zz HEIGHT , I ABOVE TYP 58A2-20A PAVEMENT JOSEPH W RICHYOND Jr TRUST 520 DB 4992 PC 686 'o I I I EXISTING 18" EMIR I CULVERTTOBE y� EXTENDEDWITH I VDOT STD.. EW-2 HEADWALL A=o.98 AC Tc=B MIN 20.00' DI TOP=515.06 - - - INV=510.82 Ile Post -Development Impervious Area Summary Subarea A, Water Quantity Building/Structure 7,918 sf Sidewalks/Concrete 3,038 sf Parking Areas/Roads 33,649 sf 44,605 sf Post -Development Impervious Area Summary LOD, Water Quality Building 6,235 sf Sidewalks & Concrete 3,038 sf Parking Areas/Road 26,517 sf 35,790 sf U FFE l 1 S4®q \ ASINW/24"RISER IS USED TO FIN HE ® 6.55 : �2 ' BOUNDARYFO THE asp vVCEALITY CU T NS, TYP. KID PROPOSED 3,200 SF < BUILDING EXPANSION I % WITH SERVICEBAYS 4 3;4 UP i TC=5i6.4 1 BC=516.29 •• I 9 N N\ QI 3Q / I�. CUTS WITHROPOSED CUTS WITH RIPRAP 49 18.8' o ` DITCH (TYP.) (L 8,& EXTENDTO 45.0' RISER, W=3, D=2.5` / I, <92 P: lFFE=516.55 ®� 1-RICK IVY EXXON IVY EXX 4� i 1y � `- •� l 6.37 #4260 00 BC=516.08 / �. �•� .OLI ARC. 6 _ 3U/ RESERY� - / AREA 1 �. / i t✓I > , 30' FRONT MAX. BUILDING'$ETBACK , Vv; ® o G ' CANOPY VDOT STD. EXISTING .A TYP.)') A' VDOT R/W MIN BUILDING U / 10' FRONT SETRACK i�516, E o 0 EXISTING DRIVEWAY ACCESS TO ADJACENT PROPERTIES TO REMAIN h~ (4)EXISTING yyry 20'1 PE ANENT RAINAGE ULVERTS EAS ENT APPROX. 33 5' IDS 22 PG 43 ADWLONG - 28' '44"W � - _8 / �VDOT STD. CG-2 (TYP.) EXISTING GUARDRAIL TO REMAIN. ENTRANCE TOSTARTATTHEEND jOF THE GUARDRAIL 5i6 �_VDOT STD. \ CG-2 (TYP.) UP N S14 HEADWALL N S6611'40°E UP IF 162.74' G� snroTa2°w 6\EC2.64' PROPOSED STORMWATER MANAGEMENT NARRATIVE FOR THE PROJECT: OVERVIEW: THE PROPOSED STORMWATER MANAGEMENT PLAN COMPLIES WITH PART IS REQUIREMENTS TO MITIGATE IMPACTS FROM THE PROPOSED IMPROVEMENTS. SUMMARIES OF THIS COMPLIANCE CAN BE VIEWED IN THIS VSMP SET AND IN THE ACCOMPANYING STORMWATER MANAGEMENT CALCULATIONS PACKET. STORMWATER QUANTITY: CURRENTLY ALL OF THE EXISTING IMPERVIOUS AND PERVIOUS AREAS WITHIN THE PROJECT LIMITS EXIT THE PROPERTY UNTREATED. THE PROPOSED PLAN WILL CHANGE THIS AND WILL CAPTURE THE MAJORITY OF THE PROPOSED IMPROVEMENTS. THE CAPTURE AND DETENTION OF THE MAJORITY OF THESE IMPROVEMENTS IS REPRESENTED BY POST -DEVELOPMENT SUBAREA A, WHERE A DETENTION BASIN ATTENUATES THE RUNOFF. CHANNEL PROTECTION IS MET VIA 9VAC25-870-66 SECTION B.3.a. FLOOD PROTECTION IS MET VIA 9VAC25-870-66 SECTION C.2.b. PLEASE SEE THE ATTACHED STORMWATER MANAGEMENT CALCULATIONS PACKET FOR ADDITIONAL DETAILS PERTAINING TO THE STORMWATER QUANTITY COMPLIANCE. STORMWATER QUALITY: THE STORMWATER QUALITY REQUIREMENTS FOR THIS DEVELOPMENT ARE MET THROUGH THE BEST MANAGEMENT PRACTICE OF PURCHASING NUTRIENT CREDITS. A MINIMUM PHOSPHOROUS REMOVAL RATE OF 0.35 Ibs/yr IS REQUIRED. THE DEVELOPER WILL PURCHASE NUTRIENT CREDITS PRIOR TO THE ISSUANCE OF A LAND DISTURBANCE PERMIT. PLEASE SEE THE ATTACHED CALCULATIONS PACKET AND THIS SHEET FOR ADDITIONAL DETAILS. MILL AND OVERLAY OF EXISTING SITE PAVEMENT MILL AND OVERLAY OF IVY ROAD (RTE. 250) NEW PAVEMENT ALONG IVY ROAD (RTE. 250) GRAPHIC SCALE 15 0 15 15 15 ( IN FEET ) 1 inch = 30 ft. U Z Z C) ZO w a E 1n U �. U U 1n Z w COm � Z Z Z Ln 0 O O O Q u ~ (IJ) w Z L9 ZM M N � 1 yM V N C) W N Q W -J z Q W Z�F� � ✓ W W i W Q9 o z Q 11111.4 O � a Z U C G W CY-1 W > LU a :JUl C F- w Z O V) � U , V / J� O 0 O N U w J 0 aC w w = a U) JOB NO. 202183 SCALE 15 1,/=30' SHEET NO. 8 DETENTION BASIN'SWM 2' CONSTRUCTION NOTES: FACILITY PLANTING SPECIFICATIONS: 1. THE DETENTION BASIN SHALL HAVE ATURF GROUND COVER, SUCH AS GRASS OR SOME OTHER FORM OF A VEGETATIVE GROUNDCOVER. LANDSCAPING BEYOND THIS IS OPTIONAL AND IS NOT REQUIRED. 2. THE PROPOSED INTERIOR SIDE SLOPES OF THE BASIN SHALL BE A MAXIMUM OF 3:1 TO REDUCE THE RISK OF EROSION. THE PROPOSED FLOOR SLOPES SHALL BE GRADED AT A MINIMUM OF 0.50%TO PROVIDE POSITIVE DRAINAGE AT ALL TIMES TO THE RISER STRUCTURE. 3. WOODY VEGETATION SHALL NOT BE PLANTED OR ALLOWED TO GROW WITHIN 15 FEET OF THE TOE OF THE EMBANKMENT NOR WITHIN 25 FEET OF THE PRINCIPAL SPILLWAY STRUCTURE. 4. THE SOILS IN THE STORMWATER BUFFER AREA ARE OFTEN SEVERELY COMPACTED DURING THE CONSTRUCTION PROCESS, TO ENSURE STABILITY THE DENSITY OF THESE COMPACTED SOILS CAN BE SO GREAT THAT IT EFFECTIVELY PREVENTS ROOT PENETRATION AND, THEREFORE, MAY LEAD TO PREMATURE MORTALITY OR LOSS OF VIGOR. AS A RULE OF THUMB, PLANTING HOLES SHOULD BE THREE TIMES DEEPER AND WIDER THAN THE DIAMETER OF THE ROOTBALL FOR BALL -AND -BURLAP STOCK, AND FIVE TIMES DEEPER AND WIDER FOR CONTAINER -GROWN STOCK. 5. EXTRA MULCHING AROUND THE BASE OF TREES AND SHRUBS IS STRONGLY RECOMMENDED AS A MEANS OF CONSERVING MOISTURE AND SUPPRESSING WEEDS. CONTRACTOR REQUIREMENTS: 1. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LAYOUT OF ALL WORK COVERED UNDER THESE PLANS. 2. LANDSCAPE CONTRACTOR SHALL REFER TO THE STANDARDIZED LANDSCAPE SPECIFICATIONS FOR THE STATE OF VIRGINIA FOR ADDITIONAL INFORMATION. THE CONTRACTOR SHALL ABIDE BY ITS CONTENTS; HOWEVER ANY NOTES OR SPECIFICATIONS ON THE PLANS SHALL SUPERSEDE THOSE OUTLINED IN THE SPECIFICATIONS MANUAL (COPIES ARE AVAILABLE FOR A FEE FROM THE VIRGINIA CHAPTER OF THE AMERICAN SOCIETY OF LANDSCAPE ARCHITECTS, VIRGINIA NURSERYMEN'S ASSOCIATION, INC. AND THE VIRGINIA SOCIETY OF LANDSCAPE DESIGNERS). ALL DISCREPANCIES SHALL BE BROUGHT TO THE ATTENTION OF COLLINS ENGINEERING PRIOR TO THE CORRESPONDING CONSTRUCTION ACTIVITY. 3. ALL PLANT MATERIAL SHALL MEET THE MINIMUM SPECIFICATIONS AND STANDARDS DESCRIBED IN THE CURRENT ISSUE OF THE AMERICAN STANDARD FOR NURSERY STOCK, PUBLISHED BY THE AMERICAN ASSOCIATION OF NURSERYMEN, 1250 STREET, NW, SUITE 500, WASHINGTON, DC 20005. 4. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD AND NOTIFY THE DESIGNER OF ANY VARIANCE FROM THE PLAN. 5. THE LANDSCAPE CONTRACTOR IS RESPONSIBLE FOR VERIFYING THE LOCATION OF ANY ONSITE UTILITIES (CALL MISS UTILITY 1-800-552-7001 BEFORE ANY EXCAVATION). 6. REFER TO THE APPROVED FINAL SITE PLANS FOR ANY DETAILED SITE INFORMATION. 7. ALL WORK SHALL BE COORDINATED WITH OTHER PARTIES. 8. PLANTS WILL BE PREPARED FOR SHIPMENT IN A MANNER THAT WILL NOT CAUSE DAMAGE TO THE BARK, BUDS, BRANCHES, STEMS, OR OVERALL SHAPE OF THE STOCK. CONTAINER GROWN PLANTS WILL BE TRANSPORTED IN THE CONTAINERS IN WHICH THEY HAVE GROWN. 9. ALL PLANT MATERIAL, UNLESS OTHERWISE SPECIFIED, SHALL BE UNIFORMLY BRANCHED AND HAVE A VIGOROUS ROOT SYSTEM. PLANT MATERIAL SHALL BE HEALTHY, VIGOROUS, AND FREE FROM DEFECTS, DECAY, DISEASES, INSECT PEST EGGS, AND ALL FORMS OF INFESTATION. ALL PLANT MATERIAL SHALL BE FRESH, FREE FROM TRANSPLANT SHOCK OR VISIBLE WILT. PLANTS DEEMED UNHEALTHY WILL BE REJECTED. 10. ALL CONTAINER STOCK SHALL HAVE BEEN PROPAGATED IN A CONTAINER LONG ENOUGH FOR THE ROOT SYSTEM TO HAVE DEVELOPED SUFFICIENTLY TO HOLD ITS SOIL. CONTAINER STOCK WITH POORLY DEVELOPED ROOT SYSTEMS WILL NOT BE ACCEPTED. 11. PLANTS NOT INSTALLED ON THE DAY OF ARRIVAL ON SITE SHALL BE STORED AND PROTECTED BY THE CONTAINER. OUTSIDE STORAGE AREAS WILL BE SHADED AND PROTECTED FROM THE WIND AND SUN. PLANTS STORED ON SITE SHALL BE PROTECTED FROM ANY DRYING AT ALL TIMES BY COVERING THE BALLS OR ROOTS WITH MOIST SAWDUST, WET BURLAP, WOOD CHIPS, SHREDDED BARK, PEAT MOSS, OR OTHER SIMILAR MULCHING MATERIAL. 12. THE OWNER RESERVES THE RIGHT TO SUBSTITUTE PLANT MATERIAL TYPE, SIZE AND/OR QUANTITY. ANY SUBSTITUTIONS MUST BE APPROVED BY THE INSPECTOR INITIALLY, AND THEN THE DESIGNER. 13. MINOR FIELD ADJUSTMENTS MAY BE NECESSARY DUE TO SITE CONDITIONS (EX: ROOTBALL AND UTILITY CONFLICT). MAJOR ADJUSTMENTS MUST BE APPROVED BY THE DESIGNER. 14. NO PLANTING SHALL OCCUR WHEN THE SOIL IS FROZEN. 15. PLANT MATERIAL SHALL BE PLACED IN EXISTING SOIL WITH EACH PLANTING PIT EXCAVATED TO A SIZE SUFFICIENT TO CONTAIN THE ENTIRE ROOT BALL OR ROOT MASS, WITHOUT CRAMPING ROOTSTOCK. 16. THE CONTRACTOR SHALL MAINTAIN A ONE (1) CALENDAR YEAR 90% CARE AND REPLACEMENT WARRANTY FOR ALL PLANTINGS. THE PERIOD OF CARE AND REPLACEMENT SHALL BEGIN AFTER INSPECTION AND APPROVAL OF THE COMPLETE INSTALLATION OF ALL PLANTS AND CONTINUE FOR ONE CALENDAR YEAR. 17. THE CONTRACTOR IS RESPONSIBLE FOR REMOVAL AND DISPOSAL OF TRASH AND DEBRIS WITHIN THE LIMITS OF THE PLANTING ON A DAILY BASIS. 18. THE CONTRACTOR WILL NOT BE RESPONSIBLE FOR PLANT MATERIAL THAT HAS BEEN DAMAGED BY VANDALISM, FIRE, OR OTHER ACTIVITIES BEYOND THE CONTRACTOR's CONTROL. FACILITY CONSTRUCTION 1. THE DETENTION BASIN MAY SERVE AS A SEDIMENT BASIN AND/OR TRAP DURING PROJECT CONSTRUCTION. IF THIS IS DONE, THE VOLUME SHALL BE BASED ON THE MORE STRINGENT SIZING RULE (EROSION AND SEDIMENT CONTROL REQUIREMENTS VS. STORMWATER TREATMENT REQUIREMENTS). INSTALLATION OF THE PERMANENT RISER SHALL BE INITIATED DURING THE CONSTRUCTION PHASE, AND DESIGN ELEVATIONS SHALL BE SET WITH FINAL CLEANOUT OF THE SEDIMENT BASIN AND CONVERSION TO THE POST -CONSTRUCTION FACILITY IN MIND. APPROPRIATE PROCEDURES SHALL BE IMPLEMENTED TO PREVENT DISCHARGE OF TURBULENT WATERS WHEN THE BASIN IS BEING CONVERTED TO AN DETENTION BASIN. 2. THE DETENTION BASIN SHALL ONLY BE CONSTRUCTED AFTER THE CONTRIBUTING DRAINAGE AREA TO THE FACILITY IS COMPLETELY STABILIZED. IF THE SITE OF THE PROPOSED SWM FACILITY WILL BE USED AS A SEDIMENT TRAP OR BASIN DURING THE CONSTRUCTION PHASE, THEN THE FACILITY WILL BE DEWATERED, DREDGED AND RE -GRADED TO DESIGN DIMENSIONS AFTER THE ORIGINAL SITE CONSTRUCTION IS COMPLETE. MODIFICATIONS SHALL BE MADE TO THE RISER, ORIFICES AND BARRELS AS REQUIRED SO THAT THEY ARE CONSISTENT WITH THE FINAL CONSTRUCTION SPECIFICATIONS. 3. THE CONTRACTOR SHALL ASSEMBLE CONSTRUCTION MATERIALS ON -SITE, MAKING SURE THEY MEET DESIGN SPECIFICATIONS AND ARE PREPARED AT STAGING AREAS WHEN POSSIBLE. 4. THE CONTRACTOR SHALL CLEAR AND STRIP THE PROJECT AREA IF REQUIRED TO THE DESIRED SUB -GRADE. S. INSTALL E&S CONTROLS PRIOR TO CONSTRUCTION OF THE BASIN, INCLUDING TEMPORARY DE -WATERING DEVICES AND STORMWATER DIVERSION PRACTICES. ALL AREAS SURROUNDING THE BASIN THAT ARE GRADED OR DENUDED DURING CONSTRUCTION SHALL BE PLANTED WITH TURF GRASS, NATIVE PLANTINGS, OR OTHER APPROVED METHODS OF SOIL STABILIZATION. 6. CONTRACTOR SHALL EXCAVATE THE CORE TRENCH AND INSTALL THE SPILLWAY PIPE DURING THE ESC PHASE. 7. CONTRACTOR SHALL ALSO INSTALL THE RISER, OUTFLOW STRUCTURE AND/OR THE BARREL(s) WITH PERMANENT COLLARS DURING THE ESC PHASE TO ENSURE THE TOP INVERT OF THE OVERFLOW WEIR 15 CONSTRUCTED LEVEL AT THE DESIGN ELEVATION. 8. THE CONTRACTOR SHALL CONSTRUCT THE EMBANKMENT AND ANY INTERNAL BERMS IN 8-TO 12-INCH LIFTS, COMPACTION SHALL BE COMPLETED IN LIFTS WITH APPROPRIATE EQUIPMENT. THE CONTRACTOR SHALL ALSO ADHERE TO THE CLAY LINER SPECIFICATIONS OUTLINED IN TABLE 14.4 BELOW: Table 14.4. Clay Liner Specifications Property Test Method Unit Specification Permeability ASTM D-2434 Cmisec 1 x 10 Plasticity Index of Clay ASTM D-42N424 % Not less than 15 L uid Limit of ClayASTM D-2216 % Not less than 30 Clay Particles Pwsing ASTM D-422 % I Not less than 30 Clay Com ction AST& b2216 % 95% of standard proctor density Source: Virginia Stommler Management Handbook (1999) 9. UPON COMPLETION OF THE EMBANKMENT GRADING, THE CONTRACTOR SHALL EXCAVATE/GRADE UNTIL THE APPROPRIATE ELEVATION AND DESIRED CONTOURS ARE ACHIEVED FOR THE BOTTOM AND SIDE SLOPES OF THE BASIN. 10. CONTRACTOR SHALL THEN CONSTRUCTTHE EMERGENCY SPILLWAY IN CUT OR STRUCTURALLY STABILIZED SOILS. 11. THE CONTRACTOR SHALL THEN FINISH CONSTRUCTION OF ALL OUTLET STRUCTURES, INCLUDING DOWNSTREAM RIP -RAP APRON PROTECTION. 12. THE CONTRACTOR SHALL NEXT STABILIZE EXPOSED SOILS BY HYDROSEEDING OR SEEDING OVER STRAW. 13. THE CONTRACTOR SHALL THEN INSTALL THE APPROPRIATE BASIN LANDSCAPING IN ACCORDANCE WITH THE APPROVED PLANS. FACILITY MAINTENANCE: MAINTENANCE OF THE DETENTION BASIN IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND PERFORMANCE OF THE FACILITIES. DURING THESE INSPECTIONS THE FOLLOWING TASKS SHALL BE PERFORMED BY THE CONTRACTOR IN THE FIRST YEAR FOLLOWING INSTALLATION, AND THE OWNER THEREAFTER: 1. MEASURE SEDIMENT ACCUMULATION LEVELS IN THE BASIN. 2. MONITOR THE GROWTH OF THE GROUNDCOVER AND ANY TREES AND SHRUBS PLANTED, AS APPLICABLE. RECORD THE SPECIES AND THEIR APPROXIMATE COVERAGE, AND NOTE THE PRESENCE OF ANY INVASIVE PLANT SPECIES, AS APPLICABLE. 3. INSPECT THE CONDITION OF STORMWATER INLETS TO THE BASIN FOR MATERIAL DAMAGE, EROSION OR UNDERCUTTING. 4. INSPECT THE BANKS OF UPSTREAM AND DOWNSTREAM CHANNELS, IF APPLICABLE, FOR EVIDENCE OF SLOUGHING, ANIMAL BURROWS, BOGGY AREAS, WOODY GROWTH, OR GULLY EROSION THAT MAY UNDERMINE EMBANKMENT INTEGRITY. 5. INSPECT BASIN OUTFALL CHANNEL, IF APPLICABLE, FOR EROSION, UNDERCUTTING, RIP -RAP DISPLACEMENT, WOODY GROWTH, etc. 6. INSPECT CONDITION OF PRINCIPAL SPILLWAY AND RISER FOR EVIDENCE OF SPALLING, JOINT FAILURE, LEAKAGE, CORROSION OR OTHER FAILURES. 7. INSPECT CONDITION OF ALL TRASH RACKS, REVERSE SLOPED PIPES OR FLASHBOARD RISERS FOR EVIDENCE OF CLOGGING, LEAKAGE, DEBRIS ACCUMULATION OR OTHER FAILURES. 8. INSPECT MAINTENANCE ACCESS TO ENSURE IT IS FREE OF WOODY VEGETATION, AND CHECK TO SEE WHETHER VALVES, MANHOLES AND LOCKS CAN BE OPENED AND OPERATED. 9. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE BASIN FOR EVIDENCE OF SPARSE VEGETATIVE COVER, EROSION, OR SLUMPING. 10. OWNER OR CONTRACTOR SHALL MAKE NEEDED REPAIRS IMMEDIATELY. FACILITY INSPECTION: MULTIPLE INSPECTIONS ARE CRITICAL TO ENSURE THE BASIN(s) ARE PROPERLY CONSTRUCTED. BECAUSE THE TIMING OF THE INSTALLATION IS DICTATED BY THE CONTRACTOR, THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONTACTING THE ENGINEER AND INSPECTOR PRIOR TO INSTALLATION. MULTIPLE SITE VISITS AND INSPECTIONS ARE REQUIRED TO BE SCHEDULED BY THE CONTRACTOR WITH THE ENGINEER AND INSPECTOR DURING THE FOLLOWING STAGES OF THE DETENTION BASIN's CONSTRUCTION PROCESS: 1. PRE -CONSTRUCTION MEETING 2. INITIAL SITE PREPARATION (INCLUDING INSTALLATION OF PROJECT E&S CONTROLS) 3. EXCAVATION/GRADING (e.g., INTERIM/FINAL ELEVATIONS) 4. DETENTION BASIN INSTALLATION (e.g., INTERIM AND FINAL ELEVATIONS) 5. INSTALLATION OF THE EMBANKMENT, THE RISER/PRIMARY SPILLWAY, AND THE OUTLET STRUCTURE(s). 6. PLANTING PHASE (WITH AN EXPERIENCED LANDSCAPE ARCHITECT PRESENT/DIRECTING IF APPLICABLE) 7. FINAL INSPECTION (DEVELOP A PUNCH LIST FOR FACILITY ACCEPTANCE) OUTLET PROTECTION SUMMARY: SEE CALCULATIONS PACKET FOR FULL OUTLET PROTECTION EMBANKMENT NOTES: CALCULATIONS. AFTER AN INVESTIGATION OF THE SITE'S SOILS, SITE VISITS, AN ANALYSIS OF THE SURVEYED TOPOGRAPHY AND AN EXAMINATION OF VA DEQAPPENDIX A: EARTHEN EMBANKMENT, THE APPLICANT HAS PROVIDED A COMPREHENSIVE OUTLET PROTECTION OF 3.2" PIPE INTO DETENTION BASIN: EMBANKMENT DESIGN THAT DOES NOT NEED A GEOTECHNICAL STUDY ATTHIS OUTLET PROTECTION TO INCLUDE A FILTER FABRIC UNDERLAYMENT KEYED TIME. SUCH IS THE CASE DUE TO THE PRECAUTIONARY EMBANKMENT DESIGNS INTO THE EXISTING GROUND A MINIMUM OF 9" AT THE ENDS & ALONG THE PROPOSED. ASUMMARY OF THE EMBANKMENT DESIGN REQUIREMENTS ARE PERIMETER. EDGES OF FABRIC SHALL OVERLAP A MINIMUM OF 9". STONE TO LISTED BELOW, MANDATING THE CONTRACTOR MEET THESE REQUIREMENTSATA BE VDOT CLASS Al STONE WITH THE FOLLOWING DIMENSIONS: MINIMUM. La = 19 FT (TO EXTEND TO THE RISER TO PREVENT CLOGGING) THE EMBANKMENTS SHALL HAVE A COMPACTED CLAY CORE WITH A CUTOFF w1 = 3 FT TRENCH & BE IN ACCORDANCE WITH THE DETAILS SHOWN ON IN THIS PLAN. w2 = 3 FT BERMS AND SPILLWAYS SHALL BE STABILIZED WITH EC-3 MATTING & THE DEPTH = 1.5 FT REMAINING DISTURBED SLOPES SHALL BE STABILIZED WITH EC-2 MATTING. ALL BERM FILL MATERIAL SHALL CONSIST OF ML, CL, SC OR GC SOILS & BE FREE OF OUTLET PROTECTION OF EACH CURB CUT INTO DETENTION BASIN: WOOD, ROOTS, ROCKS OR ANY OTHER NON COMPACTING SOIL. COMPACTED FILL THESHALL BE PROCTOR MAXIMUM DRY DENSITY ASTM D698 AND HAVE A MINIMUM OUTLETPROTECTIONTOINCLUDEAFILTERFABRICEOF95°%OFMAXIMUMDRYDENSITYAND2%OFOPTIMUMMOISTURECONTENT. INTO THE EXISTING GROUND A MINIMUM OF 9" AT THE ENNDSDS & & ALONG THE ALL FILL MATERIAL AND CONSTRUCTION SHALL BE APPROVED BY AN ONSITE PERIMETER. EDGES OF FABRIC SHALL OVERLAP A MINIMUM OF 9". STONE TO GEOTECHNICAL ENGINEER PRESENT DURING THE CONSTRUCTION OFTHE BE VDOT CLASS Al STONE WITH THE FOLLOWING DIMENSIONS: EMBANKMENTS AND FILLAREAS. LA = 8 FT MIN. (EACH LENGTH WILL EXTEND TO THE RISER TO PREVENT CLOGGING, SO LENGTHS VARY) W1=3FT W 2 = 4.2 FT DEPTH = 1.5 FT ALBERMARLE COUNTY AS -BUILT CHECKLIST: isCOUNTY 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: 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 treatment(s), inlet and outlet protection, alignment and invert elevations compared to design. 8. Computations: For significant deviations from design, provide sealed 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 easements. 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. Biofrlter media must be an 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. StormRax^ ROUND SERIES TRASH RACK CONCRETE MANHOLE STANDARD 60 INCH RACK SHOWN DIMENSIONS IN INCHES PLAN SIDE VIEW Stonnital Round Series for Concrete Manhole ran Na ObnA Dim 01MC Min ID MY100 AS•24 1754 le yr 2B 24 30 RS36 21 144 40,t 36 43 RS18 27% 18 54 48 57 RS-60 _ 27'% 18 Y, 66' 60 70 Plastic Solutions, Inc. 0U6TOMER PO Bmc 4386, WlndmsW, VA 21603 238 McGhee W. Wrlles h VA 2.2603 :877) 877.5727 phone ITtOEC'F (540) 722.22 i9 fax http://www.plasac-solutbn.o�rn SECTION A-9: rYPICAL GR1PIUCAL DE7_An.S rFbmogeneDuo fill 4'mn DA d1 Verich-4' bebn lidiablej Sill ar rock L------mot- --J TYPICAL HOMOGENEOUS EMBANKMENT Tramitien fill rN aA or grmel Pipe outlet 1r00a14 No s Perforated collector Foundatim drain Bon1an drain FOUNDATION DRAIN BLANKET DRAIN r� f PaMF r nil MM Rock or gravel rhd be arw ° �.TrmmOim Mier Trana eft lifter CHIMNEY DRAIN TOE DRAIN figure A -Ian Xonmgeneous Enrbmrknrenn rc Seepage Controls LUTMS N4 "• e• ISOMETRIC CONCRETE STRICTURE DIMENSIONS INSIDE STRUCTURE DIMENSION OUTSIDE STRUCTURE DIMENSION AVAILABLE OPTIONS CROSS BRACING FOR OVERHANG HDPE ANTI -VORTEX PLATE X OAIE OIiAYM BY: APPDBr: DETAIL 1/2" zinc ploled nook .uam.d .th e/6' ra.tene, i'-1 n•' ill.. h.a. Isometric 1/4' HDPE plate (.pli... 1) ,_p.. MDPE el rvcl.ra pl..4..illr O 2-1/8 We. and 1/1- p1.1, [10 ...m..k red hr Ple°ue Solutions The or equal 000 l C1C)C10 �4 . - - .hole aim .p1,.csl wore HDPE ara.lura Flown olh Section / lot...1he'or ual-lpwiE Solnufac lac . count 6/8' di.. holc °'nxe. eaPi Elevation .lino. PLASTIC SOLITTIONS P.O. a.. lase DEBRIS CAGE ewMs ,r ei 2rW INC. e77-e77-6727 ..a,.t-,1... - STR INV OUT: 51i.00 T O 0- 6WIDE TOP OF DAM C ELEVATION = 514.64 3.6% U1 O SEE THIS SHEET FOR OUTLET PROTECTION DETAILS v v -k 513.50 3.50 VVl 6' W DE TOP OF DAM n ELEVATION = 514.64 r 1.2 0 O OIC VW K to 3 PROPOSED 024" HDPE STANDPIPE (STR. 3) WITH TRASHRACK TO SERVE AS THE RISER STRUCTURE. SEE DETAIL ON THIS SHEET, OR EQUIVALENT, FOR TRASHRACK. RISER RIM ELEV.=513.36. RISER TO HAVE ONE 8" LOW -FLOW ORIFICE (INV.=511.00). RISER INV OUT=511.00 (TO EXISTING RIPRAP LINED CHANNEL). TO PREVENT FLOTATION THE RISER BASE SHALL BE FIRMLY EMBEDDED 6" INTO AN 3.8" THICK REINFORCED CONCRETE FOUNDATION THAT IS 4'X4', AND BURIED BELOW GROUND. I 4$' WIDE PROPOSED GRASS LINED EMERGENCY SPILLWAY W/4:1 SIDE \ SLOPES AND C�EST ELEV.=513.50 514.64 �V 0 Ae UP LLJ - w �<C W O Lj NILL_N DETENTION BASIN DETAIL: SCALE 1"=1o' i 520 520 525 Y 3: 24" RISER w5°_5R3P54K FREEBOA o PROPOSED 6' WIDE TOP O TP=513.3 WITH A 48' WIDE GRASS LII D OUTFACE SPILLWAY (CREST ELEV=S: 515 N 525 10-YR PEAK �__-EXISTING GRADE (T NSE=513.57 2-YR PEAK M k PROPOSED a` I GRADE (TYP.) 1-YR EA 1-YR PEAK y WSE=513.38 of � 73.7 IF 12" I HOPE 53.0 BOTTOM F 369, I 5 10 BASIN = 11.00 11 OUT=510.00 I PROPOSED 024" HDPE STAN TRASHRACK TO SERVE AS TF 505 DETAIL ON THIS SHEET, OR E TRASHRACK. RISER RIM ELD ONE 8" LOW -FLOW ORIFICE OUT=511.00 (TO EXISTING R TO PREVENT FLOTATION T BE FIRMLY EMBEDDED 6" It 5O0 REINFORCED CONCRETE F( 4'X4', AND BURIED BELOW 0 0 to to 0+00 0+50 1+00 DAM ELEV=514.64 4ED EMERGENCY 3-So') YP.) DPIPE (STR. 3) WITH E RISER STRUCTURE. SEE QUIVALENT, FOR r.=513.36. RISER TO HAVE (INV.=511.00). RISER INV IPRAP LINED CHANNEL). HE RISER BASE SHALL [TO AN -18u THICK )UNDATION THAT IS SROUND. EXISTINC 525 PROPOSED 48' WIDE GRASS LI EMERGENCY SPILLWAY CRESI GRADE (TYP.) 513.50'. SPILLWAYTO HAVE 4:: SLOPES 520 520 G WIDE TOP OF DAM ELEV. _ 514-64' 515 515 PROPO! 481 GRADE 510 510 SOS 505 Q S o tr1 n i.o o 10+00 10+50 O VED ELEV.= SIDE IED TYP.) EMERGENCY SPILLWAY SECTION PROFILE SCALES (VERTICAL) i"=5o' (HORIZONTAL) �SSIONAL ECG w w Z z w 0 Ln 3 Ln z O z w 2 m F O 2 a ,A ° in o a V / 0::(.n U to Zto LU COm = Z =O 'o O Z O < U (!) 3 81 W > z w °+ W Ct C at / 0 Uj W �r 0 a 6 a O 0 ,y ,y U W N N � Q N N jd o O E 0 c J � 0 0 1\ ZM rn W > 0 0 MINIMUM s m v 0 l a � a N O T 0 ° W z o N Q a W J � Q o LU N Z U, o SIEMENS w z a 1 LLI S tj O/ z W LU N i_y O 0 Wll d X Q Z x X z U 0 U W <° 0 l W � a y m a W I� o T r--5� s--e : Ln Q E a LL� i ° l� Z Z Z °w w z U0 �- z fit �+� ,^ �J) w z L J J o c� W o J � a O to O 0 s J ° U U Uj ~ w m E 0- W N U o0 JOB NO. 202183 SCALE ° AS SHOWN O SHEET NO. 1 a 9 I�