The URL can be used to link to this page

Home My WebLink AboutWPO202200021 Plan - VSMP 2022-08-08STOCKTON CREEK SUBDIVISION GENERAL NOTES OWNER: STOCKTON CREEK LLC 455 SECOND STREET 57H FLOOR CHARLOTTESVILLE, VA 22902 DEVELOPER. RIVERBEND DEVELOPMENT, INC. 455 SECOND STREET SE SUITE 200 CHARLOTTESWLLE, VA 22902 AT7N: ALAN TAYLOR ENGINEER: COLLINS ENGINEERING 200 GARRETT ST SUITE K CHARLOTTESWLLE, VA 22902 (434)293-3719 TAX MAP NO.: 1. 06900-00-00-019BO (DB.5504, PG.614) - 3.64 ACRES 2. 06900-00-00-019CO (DB.5504, PG.614) - 7.70 ACRES J. 06900-00-00-019EO (DB.5504, PG.614) - 4.62 ACRES 4. 06900-00-00-019FO (DB.5504, PG.614) - 4.63 ACRES 5. 06900-00-00-019HO (OB.5504, PG.614) - 11.03 ACRES 6. 06900-00-00-019JO (DB.5504, PG.614) - 8.92 ACRES 7. 06900-00-00-050BO (OB.5504, PG.614) - 8.73 ACRES TOTAL AREA: 49.27 AC. ZONING: RA - RURAL AREA - WITH HAZARD OVERLAY DISTRICT, ENTRANCE CORRIDOR OVERLAY DISTRICT & CRITICAL SLOPES OVERLAY DISTRICT DEVELOPMENT RIGHTS: IMP 69-19C, IMP 69-19E, IMP 69-19F, & IMP 69-50B ALL HAVE (2) DEVELOPMENT RIGHTS AND MAY BE FURTHER SUBDIVIDED. IMP 69-19H AND IMP 69-19J BOTH HAVE (4) DEVELOPMENT RIGHTS AND MAY BE FURTHER SUBDIVIDED. IMP 69-19B HAS (2) DEVELOPMENT RIGHTS BUT MAY NOT BE FURTHER SUBDIVIDED N THE CURRENT CONFIGURATION. PROPOSED USE: 15 SINGLE FAMILY DETACHED (RURAL RESIDENTIAL) LOTS OPEN SPACE.` NONE (NOT APPLICABLE) RECREATION AREA: NONE (NOT APPLICABLE) CRITICAL SLOPES: CRITICAL SLOPES ARE LOCATED ON THE PROPERTY AND SHOWN ON THE EXISTING CONDITIONS PLAN SHEET (SHEET 2). NO CRITICAL SLOPES WILL BE IMPACTED WIN THE PROPOSED ROAD DEVELOPMENT AND SUBDIVISION OF THE PROPERTY. BUILDING HEIGHTS: MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35 FEET SETBACKS FRONT: MIN. 75' (ALONG EXISTING PUBLIC R/W) AND 25' (ALONG INTERNAL PRIVATE & PUBLIC STREETS) NO MAXIMUM SETBACK SIDE: MINIMUM - 25' AND NO MAXIMUM REAR: 35' MINIMUM AND NO MAXIMUM SUBDIVISION STREETS: ROADSIDE DITCH WATERSHED: STOCKTON CREEK WATER SUPPLY WATERSHED AGRICULTURAL/ FORESTAL DISTRICT` NONE TOPO & SURVEY: TOPOGRAPHY PROVIDED BY ROGER RAY & ASSOCIATES, JANUARY 2022. HE BOUNDARY LINE INFORMATION IS PROVIDED BY ROGER RAY & ASSOCIATES, AUGUST 2021. INFORMATION FIELD VERIFIED BY COLLINS ENGINEERING IN DECEMBER OF 2021. DATUM: NAD 83 EXISTING VEGETATION: EXIS77NG FARM LAND WITH CORN CROPS AND PASTURES FOR COWS. TREE VEGETATION OVER A PORTION OF THE PROPERTY, MAINLY ALONG THE STREAM CORRIDORS. (1) EXISTING FARM HOUSE WITH BARNS. LIGHTING: NO LIGH77NG IS PROPOSED PARKING: REQUIRED PARKING: 2 OFFSITE PARKING SPACES PER LOT WITHIN THE DRIVEWAY OF THE RESIDENTIAL LOTS PARKING PROVIDED: 2 OFFSITE PARKING SPACES PER LOT WITHIN THE DRIVEWAY OF THE RESIDENTIAL LOTS NOTE.' NO FORMAL ON -STREET PARKING IS PROPOSED ALONG THE PROPOSED STREETS AND CUL-DE-SACS. PHASING: THESE PROPER77ES SHALL BE DEVELOPED WITHIN (1) PHASE BURIAL SITES: NO CEMETERIES WERE FOUND DURING A FIELD INVESTIGATION OF THE SITE. STREAM BUFFERS' THE STREAM BUFFERS SHOWN HEREON SHALL BE MANAGED IN ACCORDANCE WITH THE ALBEMARLE COUNTY WATER PROTECT70N ORDINANCE. SEE SHEET 2 FOR THE LOCATION OF THE STREAM BUFFERS. RETAINING WALLS' NO RETAINING WALLS ARE PRPOPOSED. LANDSCAPING: STREET TREES ARE PROPOSED ALONG THE NEIGHBORHOOD STREETS IN ACCORDANCE WITH ALBEMARLE COUNTY LANDSCAPING REQUIREMENTS WITHIN SECTION 32.Z9 OF THE COUNTY CODE AND IN ACCORDANCE WITH CHAPTER 14. BUILDING SITES.' EACH PARCEL CONTAINS A BUILDING SITE THAT COMPLIES WITH SECT70N 4.2.1. OF THE ALBEMARLE COUNTY ZONING ORDINANCE. STREAM BUFFERS/FLOODPLAIN. THERE IS A 100-YEAR FLOODPLAIN ON THE PROPERTY, PER FEMA MAPS 51003CO225D, FEBRUARY 4, 2005. STREAM BUFFER EXISTS, AS SHOWN ON SHEET 2. OFFSITE DISTURBANCE.' NO OFFSITE DISTURBANCE IS PROPOSED WITH THIS PLAN NOTES: 1) THIS PROPERTY DOES NOT LIE WITHIN AN AGRICULTURAL AND/OR FORESTAL DISTRICT. 2) ONLY (1) DWELLING PER LOT SHALL BE PERMITTED. 3) STREET TREES SHALL BE PROVIDED ALONG ALL THE PUBLIC STREETS 40' O.C. IN ACCORDANCE WITH VDOT AND ALBEMARLE COUNTY STANDARDS. 4) EACH LOT SHALL HAVE AN INDIVIDUAL TRASH CONTAINER WITH PRIVATE TRASH SEROCE FOR PICKUP. 5) THIS PROPERTY IS NOT LOCATED WITHIN A DAM INUNDAT70N ZONE. 6) RETAINING WALLS GREATER THAN 3' IN HEIGHT REQUIRE A SEPARATE BUILDING PERMIT WALLS EXCEEDING 4' IN HEIGHT REQUIRE A STAMPED ENGINEERED DESIGN. WALLS CROSSING LOT LINES REQUIRE AN EASEMENT 7) ALL WATER LINES, SEWER LINES, AND FIRE LINES FROM THE MAIN TO THE STRUCTURE MUST HAVE A VISUAL INSPEC77ON PERFORMED BY THE BUILDING DEPARTMENT GENERAL BUILDING DEPARTMENT NOTES 1. WHERE THE FLOOD LEVEL RIMS OF PLUMBING FIXTURES ARE BELOW THE ELEVAT70N OF THE MANHOLE COVER OF THE NEXT UPSTREAM MANHOLE IN THE PUBLIC SEWER, THE FIXTURES SHALL BE PROTECTED BY A BACKWATER VALVE INSTALLED IN THE BUILDING DRAIN, BRANCH OF THE BUILDING DRAIN OR HORIZONTAL BRANCH SERVING SUCH FIXTURES. PLUMBING FIXTURES HAVING FLOOD LEVEL RIMS ABOVE THE ELEVAT70N OF THE MANHOLE COVER OF THE NEXT UPSTREAM MANHOLE IN THE PUBLIC SEWER SHALL NOT DISCHARGE THROUGH A BACKWATER VALVE. 2. DUE TO REQUIRED DISTANCES FROM LOT LINES AND STRUCTURES AS REQUIRED BY THE NFPA, UNDERGROUND PROPANE TANKS MAY BE PROHIBITED. THE BUILDER/DEVELOPER SHALL PLAN ACCORDINGLY. VSMP PLAN WP020220021 WHITEHALL DISTRICT ALBEMARLE COUNTY, VIRGINIA SH LAYOUT C 1" = 160' ------------------- --- 10 LOT 13 / \ \ 4.49 ACRES LOT 12 i r / LOT 2.40 ACRES \ \ \ / y _ \•. r 2.70 ACRES LOT To LOT14 3.90 ACRES / / LOT 112.74 ACRES 9.1 LOT 15 / / d • "�\ (/� / - 2.39 ACRES LOT 23 /1.90 ACRES LOT 16 2.25 ACRES / LOT 22 1 I / 2.49 ACRES // / II II V�� A _� // // °- �-" •�'� 19 LOT 3AACR % 2.07ACRE5 / I A �� 6.19 ACRES ° LOT 21 3.10ACRES / // LOT20�- 1 3.46 ACRESLOT 18 \\ \ 2.05 ACRESLOT 3B / �• � .yl 2.49 ACRES _ J L LOT 19 --------- --- 3.44 ACRES \ IMPERVIOUS AREAS (WITHIN LOD): PROPOSED ROAD WA Y 50,089 SF PROPOSED DRI VEWA YS 42,996 SF PROPOSED RESIDENCES 31,200 SF PROPOSED SIDEWALKS 0 SF TOTAL 124,285 SF OVERALL ACREAGES TOTAL ACRES OF LOTS: 46.76 AC (94.97) TOTAL ACRES OF OPEN SPACE: 0.00 AC (30.39) TOTAL ACRES OF ROW: 2.51 AC (5.19) 211) TRIP GENERATION CALCULATIONS SCALE: 1 "=100' TRIP GENERATION BASED ON ITE TRIP GENERATION MANUAL (10TH EDITION) 15 SINGLE FAMILY DETACHED UNITS (CODE 210) TOTAL ADT: 142 VPD (71 ENTER/ 71 EXIT) TOTAL AM PEAK: 12 VPH (3 ENTER/ 9 EXIT) TOTAL PM PEAK: 15 VPH (10 ENTER/ 5 EXIT) SUBJECT SITE Brookville Mano ir Q r'a Levilln RA �nr}�� f • S _�A VICINITY MAP SCALE: 1" = 2000' ROADS LEGEND EXIS77NG CULVERT a 0 CULVERT Q DROP INLET & STRUCTURE NO. CURB CURB & GUTTER a PROPOSED PAVEMENT EC-3A DITCH DEPTH OF EC-3A DITCH EC-2 DITCH DEPTH OF EC-2 DITCH w 250 Greenway EARTH DITCH DRIVEWAY CULVERT BENCH MARK CLEARING LIMITS 200- EXIS77NG CONTOUR zoo PROPOSED CONTOUR 240.55 VDOT STANDARD STOP SIGN PROPOSED SPOT ELEVA 77ON VSMP PLAN SHEET LIST Sheet Number Sheet Title 1 COVER SHEET 2 EXISTING CONDITIONS & DEMOLITION PLAN 3 EROSION & SEDIMENT CONTROL NARRATIVE 4 EROSION & SEDIMENT CONTROL DETAILS 5 EROSION & SEDIMENT CONTROL PLAN - PHASE 1 6 EROSION & SEDIMENT CONTROL PLAN - PHASE 11 7 EROSION & SEDIMENT CONTROL PLAN - PHASE III 8 EROSION & SEDIMENT CONTROL DETAILS AND CALCULATIONS 9 PRE -REDEVELOPMENT STORMWATER MANAGEMENT PLAN 10 POST -REDEVELOPMENT STORMWATER MANAGEMENT PLAN 11 STORMWATER MANAGEMENT PLAN DETAILS 12 OVERALL GRADING PLAN 13 DRAINAGE CALCULATIONS SCOTT /R. CITLLINS'Z Lic. No. 035791,E p 7/28/22 z 0 D U p /A w J U v/ LUZ z a o a 2: w m a ca w O a m U Ln U w z z Vl z 0 z ~ Ln U) f LUm m V) 0 a F z z N W N L 0 R W N O O N W N W J \J_ W 0 LLI O J Q LLI U LLI I- I z LU LU U) JLU W J0� a 0 0 O O CN M__ I w 0 a Q I O I --I m U) LU LU U O U 0 U) LU LU LU 222207 SCALE 5 SHOV) SHEET NO. 1 13 TOTAL SHEETS 53 \ \ / \ \\\\ \\ \ \\� \ \\ \ \\ // TH u \ \\\ \ \\\ \\ — / // / / 2. \ \ \ \ \ \ \ \ \ \\\ \ \ - it v v \ / / /T.M.6 6L C� v V A — — — vvvv vvv vv wvA v--_--v// / LO 61 v �: A\ T.M.69-6C — \ \ \\ \ \ \\ \ — — / STUART TAYOR SMACK 25.00' \ \ GIBSON, EVERETTJR / // \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ — / D.6.52 6-521 / \ \ \ \ \\\\ \ \\ \\ \\ \ \\ \ \ \ \ / / C9 C 1 O \ FIELDS \ \ \ \ \ \ \ \ \ \ \ \ / SCOTT R. LINS2Z / / v I ---- yv_vvA vv v A 1.07 ACRES - v D. 3415-764 707 P V A A V A A V\ \ v \ L� Lic. No. 035791 4 S70'00'flOE�A A vv vvv v v v v \ 112.98, V A \ C \ v v v I r —'�... /( �� , E `ter i ✓ v A V' I$ v�AVAvVA� AvVA \ 051043)155.� ...x...... •� r �� / / I —' v�vv \VA\\ \ ' — vvvv �v _� vAv VAA �A \ \ \ \ v A A v v v v --- / /' ' V A\ — V A v\�AVAv �w r /,�. v`�•..�. " \./V V�/ _/vA/%v�v\A vv/.1I /—// I'/vA V�—I \ // v� \I/ --M/vV\ vA/ 11/V\— —v/\ I/A'/4vV\ Iv / i/ I\v A1�v \ A — vIV//—/I//1N \�;\�v v\\—vv/iV—AfI\/�—T—v I v\/vv_\I—vv0 /VRIv— v_v A _ V\ ��v1 \/ vI— v'/ / IV5vvAv1 // vAvQv_—vIv J—v IvvIMvI _ �A v \v\—v0\—_v v--v/\1l2V��-✓/-\/—\-vAvv-'—\�v/ V �v\ /v\1AO—\ v_v vAv\\—v_b\j%v�Ay w//A/-C/\'Iv//\ �'—+\\\ / "vv, /v\/�/ VAW//v Av.\ ��//�v�v\///eA/�//�F^\ AS //v /'\ �B— .,/vv v /��"/ /-// 5\/ \\.�/ vVl/ v�vv/ v— — �vv v —./0A \3\v1 �— \ ; /,0i// / /v\v / 4v—�v v vI'\ vv / 1— v/Q/v \�\J \ �v\�/vvA_1//—» � —� 1-\vv�-- �—AI1 .v \vv/ \_A —1 — � v // \v—vI_`v—I\AS v I —v v—vv(— --\ va\ v/ v\ vA\ v \1 \v I �— v v/ 2——_'\ \ v2vC\\/Jv�1\0 / I— S\—\_v\.v\ �\ \v—c1/�/� 9 v —VI�v\ v vv\2 \v �—Tv/lA�vv v_�A\S\—v_v \ l— Fvv_ �AlV \ AAl\vA\_ v\ v\—v' \ v \ \v v V\v/ V vVAv\A�\ v _\vv\\A\ V \\ \A\�\1vv AV�Av�A_v/ \ _v\� \vv�\ vVv�\ \ — \AA vA\\—VJ\\Vv\\v A� AAA —\ \ F vv/\ v\V\.\ VvvA vv A vv\\v\v—\\AAv \\\ v —vvV\\ �_V\vv\I/ ` _AVA\ � \\�— v��\ �Ao w vAv\v AA\\— _\ \ v; \v�Av\0 v v\v�\v\\ V.\V _v'_vv\��\v\ V \vV��I—•—,mV Av',A �\ vv \\\� —I V\ v� v —vI\1vA�v\ —\' _ v V\\\/vvV —/ —r v /A\v---J v// /v �/v—/ /-- / ') _ / / " v— — v/ �/_ — �/_ _ �/I �`//—�— 0/�v v/D-/—/�v— 1l— —\/—_\ —v4vI/ Lv^\ - Avv /w� s\ �uelAIN/V— —IV I\/ _\��3�\�/�l — \A": �\� v �� I%v�\\/• \ //`� V\,i\� �1 v\O(�//,I�;3g AT.M.69-19G\ / T.AvV M—/ .v\/'•6v —/•A/ . I�/ 9 vv—REVISED A\-Av/�1 5v V �\N D /EVA/� °VN.�\ S --NG5" 7.oOCONCREEKLL i (%/�w FIELDS — — — — — �32.80 ACRES_ 23.27 6��04, PC614 ZPROPOSED SEPTIC A/ /v\v—gkAINFEkD v / '/ /�AVwAv 0 / /v1v/Vv o/ ��1r /ov'vR•vv•_�/VrVIELL'A/ V/A_v\�— 1A./M �/ �\ v/v—IILLv� v _ —V (vV — �vv� Iv /v _V v — \ v\ v� � vv \v — v �Vv\\ v\ \�\ vvv \/v_ v ��\�v v— \4A��\A`vA v\A /Dv\ \vi �� \ \ \\ V I\ \v A\ 1 �1 \` 1\ AV\v\ \ V �\\ \AAV � AAvvI1 \Iv�Iv1 � / 1' I \ v\ v iv v \ V \\ / v v v \/) � �v\\ /v \I ev l v - / � v \ \ \ Lu NJF~J<2YHWQ�—'C0 _-d02'�2"W — — -- / co m ¢ v �01 FL0o NO2'36'21'W U)LwazNNn 40.00' -- /> 4\ w co coiiPROXI AYE ¢Ln IJ0 A l REVISED LOT 7 ATIOM STREAM� 11.03+ - ACRES �v y �/85g' R 166./C5/ LIN TO BE REM 924� VDH No MONUMENT.IVbDRfVlSED LOBi� R FENCE O N4 5 1 4.63 ACRES RVED�TYP.)V -5, O�! TM1MFENCETOV . REAaVEp (TATES, JAMESPR930 w NO3 4o 00N1S4.34' O , $ '^CD 0 /O0 0 �9-6M 15ts SEPTIC L9 DRAINFE191US 21 IS AREA S195402,F REVISED LOT 8 ° /32CLAfi 89.15' 8.92+/-ACRES /Z/6.4456-44 90, B3530 234 PLAT 1 $ Q CM/// / EXISTING DRIVEWAY SEPTIC TO BE REMOVED /o� ADRINFILD REA / AAGRAWE$ AbME�LC 0 ', �6.�8 ACRES o , o CNI REVISED LOT 4 ciQT.M.69-19E lO o 4.62ACRE5 wZgCZJZ�zZ-- L ° Vo 6/ /bQ O � \n \�o T.M/696� 5Lwl � PWLb//1 TING STRUCTURES ioo' W rn\ s0 RMOVED(TYP.) BUR b� / PO \FRANKONLE�.0 �P-0 O /CARLADONLYo i � 6.3 80-82 W -- — _ — N6'50 Q1"L4U) 6 PLAT �$ o \ V 33.99 IS oZ94 \238.34�IS ISI-- ) NQ4'2�/1 g38 SEPTIC 'PALE— — — -- DRAINFIELD/245.2 OVERHEAD AREA UTILITY Q0 LINES — ho SEPTIC 930 — — — — SEPTIC AINFIELD c) DkAINFIELD AREA AREAW T��19{Y 0 REY$ED LOT3 Lu CD NiO'4156ACRES W0 69196 . REVISED LOT 1 ul F-11 U) � VDH 3.64 RES A�\ MONUMENT ROPOSEI0/ �A n 6�-�9P Lu FOUND SEPTIC WDRIL I%DI \\�\\\\ \�AVKTONREXLLGpT.M9B lcl� W89NTv03/�}POLE� lF�.8.73ACRES .bGIVA// n//)Dy�U7 EVjSED/,LOT2 �dACRES-882 ------ 880 IS \ / \CN � CRITICAL SLOPEj /co N .4m wl 751 4.2 VDH FREE MAN,,45881 2g0 V 5/ \A TUR )ON 81 21 MONUMENT OA FOUND 47J,72 VDH TER o --VONU— \ \ a nMONUMENT —N050 � _ \FOUND _\T — Lu � JOB NO. MONUMENT 222207 CASEyR1U5'Q s�21 ACRES S4'� nWFOUND eo o + \ aso 307SCALEpP vm - - — 1 =80' v� � \�A SHEET NO. 2MONIMENT0 INr) 1992 EROSION & SEDIMENT CONTROL MEASURES: STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE NH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF HE FOLLOWING: 3.01 SAFETY FENCE.• A PROTEC7VE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE. TO PROHIBIT HE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY 774E 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 CONSTRUCTION ENTRANCE ViWTH 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 HE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS. 3.05 SILT FENCE: A TEMPORARY SEDIMENT BARRIER CONSIS77NG 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 CONSTRUC7ON 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. HE 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 NH THE VWRGINIA 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 PR07ECTON APPLIES WHERE STORM DRAIN INLETS ARE TO BE MADE OPERA77ONAL 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 STABILIZATION OF THE DISTURBED AREA. INLET PR07ECT70N APPLIES WHERE STORM CULVERTS ARE EXIS77NG OR TO BE MADE OPERATIONAL BEFORE PERMANENT STABILIZATION 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 UNPR07ECTED 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 PR07ECT 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 WlTH PROPER MAINTENANCE. 3.12 DIVERSION: A CHANNEL CONSTRUCTED ACROSS A SLOPE WITH A SUPPORTING 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 HE 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. 314 TEMPORARY SEDIMENT BASIN. A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAK 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 DEVCES 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 HE VELOCITY AND ENERGY OF CONCENTRATED STORMWATER FLOWS. APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS. 319 RIPRAP: A PERMANENT, EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WITH FILTER FABRIC OR GRANULAR UNDERLINING. TO PR07ECT THE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF, SLOW HE VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING THE P07EN77AL FOR INFILTRATION, AND TO STABILIZE SLOPES NH SEEPAGE PROBLEMS, AND/OR NON -COHESIVE SOILS. USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETATIVE 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 HE VELOCITY OF CONCENTRATED STORMWATER FLOWS, HEREBY REDUCING EROSION OF HE SWALE OR DITCH. HIS PRACTICE ALSO TRAPS SEDIMENT GENERATED FROM ADJACENT AREAS OR THE DITCH ITSELF, MAINLY BY PONDING OF HE STORMWATER RUNOFF. HIS 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 VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING NH 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 UNTIL PERMANENT VEGETATION OR 07HER EROSION CONTROL MEASURES CAN BE ESTABLISHED. 3.32 PERMANENT STABILIZATION. THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANING SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DISTURBED AREAS /N A MANNER THAT /S ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. 3.35 MULCHING, APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL SURFACE. TO PREVENT EROSION BY PR07EC77NG THE SOIL SURFACE FROM RAINDROP IMPACT AND REDUCING HE VELOCITY OF OVERLAND FLOW. TO FOSTER THE GROWTH OF VEGETATION BY INCREASING AVAILABLE MOISTURE AND PRONDING INSULATION AGAINST EXTREME HEAT AND COLD. AREAS WHICH HAVE BEEN PERMANENTLY SEEDED SHOULD BE MULCHED IMMEDIATELY FOLLOWING SEEDING. AREAS WHICH CANNOT BE SEEDED BECAUSE OF HE SEASON SHOULD BE MULCHED USING ORGANIC MULCH. MULCH MAY BE USED TOGETHER K17H PLANTINGS OF TREES, SHRUBS, OR CERTAIN GROUND COVERS WHICH DO NOT PROVIDE ADEQUATE SOIL STABILIZATION BY THEMSELVES, CAN BE USED IN CONJUNCTION K17H TEMPORARY SEEDING. 337 TREES. SHRUBS VINES & GROUND COVERS: STABILIZING DISTURBED AREAS BY ESTABLISHING VEGETATIVE COVER NH TREES, SHRUBS, VINES, OR GROUND COVERS. TO AID IN STABILIZING SOIL IN AREAS WHERE VEGETATION OVER THAN TURF IS PREFERRED, TO PROVIDE FOOD AND SHELTER FOR WILDLIFE WHERE WILDLIFE HABITAT IS DESIRABLE. APPLIES IN AREAS WHERE TURF 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 WILDLIFE HABITAT. 336 BLANKET MATTING: INSTALLATION OF A PROTECTIVE COVERING OR A SOIL STABILIZATION MAT ON A PREPARED PLANTING 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 ACTIVITY. TO ENSURE THE SURVWVAL OF DESIRABLE TREES WHERE THEY WILL BE EFFECTIVE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTECTION, LANDSCAPE BEAUTIFICATION, DUST AND POLLUTION CONTROL, NOISE REDUCTION, SHADE AND 07HER ENVIRONMENTAL BENEFITS WHILE THE LAND IS BEING CONVERTED FROM FOREST TO URBAN -TYPE USES. APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING ACTIVITIES 3.39 DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND CONSTRUCTION ACTIVITIES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE HE 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 NH HE 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% High -Maintenance Lawn 200-250lbs. - Kentucky 31 or Turf -Type Tall Fescue 100% General Sl%& (3:1 or less) . Kentucky 31 Fescue 128 lbs. . Red Top Grass 2 lbs. - Seasonal Nurse Crop* .20 lbs. 150 lbs. Low -Maintenance Slope (Steeoer than 3:1) - Kentucky 31 Fescue 108 lbs. - Red Top Grass 2 lbs. - Seasonal Nurse Crop* 20 III - Crownvetch ie 20 lbs. 150 lbs. • Use seasonal nurse crop in accordance with seeding dates as stated below: February 16th through April ...................... Annual Rye May 1st through August 15th ..................... Foxtail Millet August 16th through October ...................... Annual Rye November through February 15th ................... Winter Rye " Substitute Sericea lespedeza for Crownvetch east of Fartnville, 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 LMUNG REQUIREMENTS FOR TEMPORARY SITES Recommended Application pH Test of Aoiculnual Limestone below 4.2 3 tons per acre 42 to 5.2 2 tole per acre 52 to 6 1 ton per ane TABLE "I-B ACCEPTABLE TEMPORARY SEEDING PLANE MATERIAL& -QUICK REFERENCE FOR ALL REGIONS" Rate ]%.n Dve, s.d� tlaL.,B ) Sept. I - Feb. 15 50/50 M4 M Annual RM. a,Iaum mnw-nnmmi & so-100 CaW(w ta)Rye (&.� m. .) Feb.16 - Apr. 30 A .0 Rye . 60 - 100 n„m,m multi-rf„nm) May 1. Aug 31 German Wla M 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 I/R 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 AC77WTY, AND ONE WEEK PRIOR TO HE FINAL INSPECTION. ES-3:ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS HE 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 ACT7077ES 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-6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLA7ON OF ANY ADDITIONAL 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 77MES DURING LAND DISTURBING AC77WTIES AND DURING SITE DEVELOPMENT UN77L FINAL STABILIZATION IS ACHIEVED. ES-8: DURING DEWA7ERING 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 EFFEC77VENESS 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, cr May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion control inspector. 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the top 4-6 inches of soil. Fertilizer shall be applied at 1000lbs/acre and consist of a 10-20-10 nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or Tall Fescue and 0-5%D Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion control inspector. 19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to structural measures is to 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) ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WIN 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 AIRES THAT WILL NOT BE BROUGHT TO FINAL GRADE WITHIN 30 DAYS. PLANTS SHOULD BE SELECTED APPROPRIATE TO THE SEASON AND SITE CONDITIONS FROM TABLES 3.31B AND 3.31C. N07E THAT TABLE 3.31B PRESENTS PLANTS WHICH CAN BE USED WITHOUT EXTENSIVE EVALUATION OF SITE CONDITIONS, • TABLE 331C PRESENTS MORE IN-DEPTH INFORMATION 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 HE 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 EFFECTIVE 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, CULTIPACKER SEEDER OR HYDROSEEDER. SMALL GRAINS SHALL BE PLANTED NO MORE THAN 11 INCHES DEEP. SMALL SEEDS, SUCH AS KENTUCKY BLUEGRASS, SHOULD BE PLANTED NO MORE THAN 4 INCH DEEP. 07HER GRASSES AND LEGUMES SHOULD BE PLANTED FROM 4 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. 335, 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 CONTROL MEASURES: THE PURPOSE OF THIS LAND DISTURBING ACTIVITY IS TO GRADE HE STOCKTON CREEK SITE FOR A EROSION AND SEDIMENT CONTROL MEASURES: RESIDENTIAL DEVELOPMENT. HE TOTAL AREA TO BE DISTURBED WITH THIS PLAN IS 16.29 ACRES. IT IS ANTICIPATED TO USE CONSTRUCTION ENTRANCES, DIVERSION DIKES, EXISTING SEDIMENT EXISTING SITE CONDITIONS BASINS, AND SILT FENCES WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY MOST OF HIS SITE IS FARMLAND WITH A FEW AREAS OF TREES SEPARATING VARIOUS AREAS OF SEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES. CLEARED PLOTS OF FARMLAND. OVERALL THE DISTURBED AREA SLOPES SOUTH TOWARDS ROUTE 151. TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED THE SITE IS LOCATED TO THE NORTH OF CRITZERS SHOP ROAD (ROUTE 151) AND WEST OF ROUTE FROM AREAS TO BE GRADED AND STORED FOR LATER SPREADING. STOCKPILE LOCATIONS SHALL 250. THE MAJORITY OF THE SITE DRAINS TOWARDS THE EXISTING CULVERT THAT CROSSES ROUTE 1 BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT ADJACENT AREAS.' SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND THIS SITE IS BORDERED TO THE EAST BY ROUTE 250 AND TO HE SOUTH BY CRITZERS SHOP ROAD. WHERE CONSTRUCTION ACTIwnES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE GOODLOE LANE IS ALONG THE WEST AND NORTHWEST BORDER OF THE SITE AND OLD TURNPIKE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. ROAD EXISTS TO HE NORTH OF HE SITE SELECT70N OF SEED MIXTURE WILL DEPEND ON HE TIME OF YEAR APPLIED. OFFSITE LAND DISTURBANCE. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT IMPROVEMENTS TO BE MADE WITHIN THE VDOT RIGHT-OF-WAY ALONG GOODLOE LANE. DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED NTH FAST CRITICAL AREAS: GERMINATING VEGETATION IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS SELECT70N OF SILT FENCE SHALL BE MAINTAINED ALONG THE LIMITS OF DISTURBANCE AS SHOWN ON THE PLAN TO SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. THE EAST NORTH, AND SOUTH OF THE SITE TO PROTECT THE ADJACENT PROPERTIES. CONTRACTOR CONSTRUCTION ENTRANCE: SHALL ENSURE THAT ALL SEDIMENT MAINTENANCE CONTROLS ARE ALONG GOODLOE ROAD TO ENSURE THAT NO SEDIMENT LEAVES THE SITE AND DRAINS ONTO THE ROAD. A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF SOILS VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE TO REDUCE THE AMOUNT OF MUD SOILS MAP IS INCORPORATED INTO EROSION CONTROL PLAN PHASE l WITH SOILS DATA INCLUDED TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. WITH THIS NARRATIVE. CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE SEQUENCE OF CONSTRUCTION: AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS. PHASE l: SILT FENCE' 1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE A PRE -CONSTRUCTION MEETING AS REQUIRED. A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED 2. PRIOR TO DISTURBANCES, THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN PROTECTION FENCING SHALL BE INSTALLED. SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE. TO DECREASE HE VELOCITY OF SHEET WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT. 4. THE PROPOSED CONSTRUCTION ENTRANCE WITH WASH AREAS SHALL BE INSTALLED AS SHOWN ON FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS HE SILT FENCE BARRIERS SHALL BE THE PLANS. THE CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE INSTALLED DOWN SLOPE OF AREAS NTH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE RAINFALL AND MAINTAINED IN ACCORDANCE NTH HE VIRGINIA EROSION & SEDIMENT CONTROL SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED HANDBOOK (VESCH). THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY PERMANENT STABILIZATION: SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN HIS MANNER. SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO 5. INSTALL THE INITIAL CONSTRUCTION MEASURES AS SHOWN ON THE PHASE I EROSION CONTROL PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO SHEET THIS INCLUDES (3) SEDIMENT TRAPS (1), SEDIMENT BASIN, WIRE SILT FENCE, AND SITE CONDITIONS, AND ALLOWS SELECT70N OF THE MOST APPROPRIATE PLANT MATERIALS. TO DIVERSION DIKES. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF LAND DISTURBANCE TAKES PLACE. A TEMPORARY CULVERT CROSSING MAY BE UTILIZED TO CROSS CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. THE EXISTING NON PERENNIAL STREAM TO INSTALL PERIMETER CONTROLS. TEMPORARY SEEDING., 6. ONCE ALL THE PHASE I EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE THE ESTABLISHMENT OF A TEMPORARY VEGETA7VE COVER ON DISTURBED AREAS BY SEEDING EROSION CONTROL PHASE I PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL NH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND MEASURES, THE CONTRACTOR CAN BEGIN THE MINIMUM GRADING OPERATIONS. PRIORITY SHALL BE SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE PLACED ON INSTALLING THE PERMANENT 36" CULVERT AND STABILIZING THE BANKS OF HIS FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO CULVERT UP TO THE TEMPORARY CONSTRUCTION ROAD. STABILIZATION MEASURES SHALL BE DOWNSTREAM OR OFF-S17E AREAS, AND TO PROVIDE PROTECTION TO BARE SOILS EXPOSED APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES, AND DIVERSIONS IMMEDIATELY AFTER DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES INSTALLATION. CAN BE ESTABLISHED. Z PERMANENT OR TEMPORARY SOIL STABILIZAT70N SHALL BE APPLIED TO DENUDED AREAS WITHIN DUST CONTROL: SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE TEMPORARY SOIL STABILIZAT70N SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. CONSTRUCTION ACTIVITIES PERMANENT STABILIZAT70N SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND MORE THAN ONE YEAR. REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. PHASE ll: DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF 8. PHASE ll CONSTRUCTION SHALL INCLUDE CONSTRUCTING STOCKTON CREEK LANE AND STOCKTON DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE KITH HE VESCH. CREEK COURT. THIS PHASE SHALL ALSO INCLUDE CONSTRUCTING THE ROADSIDE DITCHES AND TEMPORARY DIVERSION DIKE. UNDERGROUND STORM SEWER SYSTEM TO TEMPORARILY OUTLET TO SEDIMENT BASIN 1 (BUT WILL A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED ULTIMATELY OUTLET TO THE PROPOSED DETENTION BASIN AS SHOWN IN THE SWM PLAN). AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM UNPR07ECTED SLOPES AND TO A 9. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT TRAPPING SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE TEMPORARY SOIL STRUCTURE. MAXIMUM EFFECTIVE LIVE IS 18 MONTHS. STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT ROCK CHECK DAMS: FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. SMALL, TEMPORARY STONE DAMS CONSTRUCTED ACROSS A DRAINAGE DITCH TO REDUCE THE PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. VELOCITY OF CONCENTRATED FLOWS, REDUCING EROSION OF THE SWALE OR DITCH LIMITED TO USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS,' SHOULD NOT BE USED IN PHASE Ill: LIVE STREAMS. IO.ONCE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR STORM DRAIN INLET PROTECTION. CAN REMOVE THE SEDIMENT TRAPS. NO ITEM SHALL BE REMOVED UNLESS THE UPSTREAM AREAS THE INSTALLATION OF VARIOUS KINDS OF SEDIMENT TRAPPING MEASURES AROUND DROP INLETS ARE STABILIZED AND THE INSPECTOR GIVES PERMISSION. OR CURB INLET STRUCTURES PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA; 11. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN HE VIRGINIA EROSION AND LIMITED TO DRAINAGE AREAS NOT EXCEEDING ONE ACRE, AND NOT INTENDED TO CONTROL SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM LARGE, CONCENTRATED STORMWATER FLOWS. ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. TEMPORARY SEDIMENT TRAP: 12.ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT NH A STONE NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED OUTLET ACROSS A DRAINAGE SWALE, 70 DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY DISTURBED AREAS FOR ENOUGH TIME TO ALLOW MOST TO THE SUSPENDED SOLIDS TO SETTLE MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND OUT MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. SEDIMENTATION. TEMPORARY SEDIMENT BASIN: A TEMPORARY BARRIER OR DAM NH CONTROLLED STORMWATER RELEASE STRUCTURES WHICH IS PHASE IIIA: FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY. IT IO.ONCE THE SITE IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR IS USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM DRAINAGE AREAS 3 ACRES OR GREATER CAN REMOVE THE SEDIMENT BASIN AND CONVERT TO THE PROPOSED DETENTION BASIN. NO ITEM FOR ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETTLE OUT IT CAN BE SHALL BE REMOVED UNLESS THE UPSTREAM AREAS ARE STABILIZED AND THE INSPECTOR GIVES CONSTRUCTED ONLY WHERE HERE IS SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY PERMISSION. 11. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN HE VIRGINIA EROSION AND MAXIMUM EFFECTIVE LIFE IS 18 MONTHS UNLESS DESIGNED AS A PERMANENT POND BY A SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM QUALIFIED PROFESSIONAL. ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. OUTLET PROTECTION. 12.ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 THE INSTALLATION OF RIPRAP CHANNEL SECTIONS AND/OR STILLING BASINS BELOW STORM DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER DRAIN OUTLETS TO REDUCE EROSION AND UNDER-CUT77VG FROM SCOURING AT OUTLETS AND TO NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED REDUCE FLOW VELOCITIES BEFORE STORMWATER ENTERS RECEIWNG CHANNELS BELOW THESE SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY OUTLETS. MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND CULVERT INLET PROTECTION. SEDIMENTATION. 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 SOIL DESCRIPTION ALSO PROVIDES EROSION CONTROL AT CULVERTS DURING THE PHASE OF A PROJECT WHERE 4E - ASHE LOAM-25Z TO 457 SLOPES. THESE SHALLOW, SOMEWHAT EXCESSIVELY DRAINED SOILS ELEVATIONS AND DRAINAGE PATTERNS ARE CHANGING, CAUSING ORIGINAL CONTROL MEASURES ARE FOUND ON MOUNTAIN SLOPES MODERATE RUNOFF, NTH VERY LOW TO HIGH PERMEABILITY. TO BE INEFFECTIVE. HYDROLOGIC SOIL GROUP B SAFETY FENCE. • 7B - BRADDOCK LOAM-27. TO 7% SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON A PR07EC77VE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL FANS. MODERATE RUNOFF, NTH MODERATELY HIGH TO HIGH PERMEABILITY. HYDROLOGIC SOIL MEASURE. GROUP B. PERMANENT STABILIZATION. 14D - CHESTER LOAM-157 TO 25X SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON HILLSLOPES HIGH RUNOFF, NTH MODERATELY HIGH TO HIGH PERMEABILITY.NHYROLOGIC SOIL PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED AREAS AS PER HE PERMANENT GROUP B. STABILIZATION OF THIS EROSION & SEDIMENT CONTROL NARRATIVE 14E - CHESTER LOAM-257 TO 45X SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON AFTER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED, HILLSLOPES HIGH RUNOFF, WITH MODERATELY HIGH TO HIGH PERMEABILITY. HYDROLOGIC FERTILIZED, AND SEEDED AS PER CURRENT VDOT STANDARDS. HIS SHALL CONSIST OF SOIL GROUP B. THE FOLLOWING. TOP SOIL - 2' DEPTH 368 - HAYESVWLLE LOAM-2% TO 77 SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON LIME - 2 TONS/ACRE HILLSLOPES. MODERATE RUNOFF, NH MODERATELY HIGH TO HIGH PERMEABILITY. HYDROLOGIC SOIL GROUP B FERTILIZER - 600 LBS/ACRE OF 15-30-15 SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX-114 (45 LBS/ACRE PENNLAWN 36C - HAYESVWLLE LOAM-7% TO 15X SLOPES THESE DEEP, WELL DRAINED SOILS ARE FOUND ON CREEPING RED FESCUE, 37.5 LBS/ACRE ARGILS KENTUCKY BLUEGRASS, 37.5 LBS/ACRE HILLSLOPES. MODERATE RUNOFF, NH MODERATELY HIGH TO HIGH PERMEABILITY. HYDROLOGIC PARK KENTUCKY BLUEGRASS, 15 LBS/ACRE ANNUAL RYEGRASS & 15 LBS/ACRE PLEASURE SOIL GROUP B. PERENNIAL AFTER THESE AREAS ARE STABILIZED THEY WILL BE MOWED AND MAINTAINED 81B - HURMONT LOAM-27 TO 7% SLOPES THESE DEEP, WELL DRAINED SOILS ARE FOUND ON ON A REGULAR BASIS. INTERFLUVES. MODERATE RUNOFF, NH MODERATELY HIGH TO HIGH PERMEABILITY. HYDROLOGIC SOIL GROUP B. MAINTENANCE. IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY 81C - HURMONT LOAM-77 TO 15Z SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC ATTENTION WILL BE GIVEN TO THE INTERFLUVES. MODERATE RUNOFF, WlH MODERATELY HIGH TO HIGH PERMEABILITY. FOLLOWING ITEMS.- HYDROLOGIC SOIL GROUP B. A. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN 89B - UNISON SILT LOAM-27 TO 7% SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. FANS. MODERATE RUNOFF, NTH MODERATELY HIGH TO HIGH PERMEABILITY. HYDROLOGIC SOIL B. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT GROUP B. WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL BE REPLACED. 89C - UNISON SILT LOAM-71w TO 15X SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON C. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR FANS. MODERATE RUNOFF, WITH MODERATELY HIGH TO HIGH PERMEABILITY. HYROLOGIC SOIL DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE GROUP B. REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE TOP of THE BARRIER. STORMWATER RUN-OFF CONSIDERATIONS. D. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. STORMWATER MANAGEMENT. THE STORMWATER RUNOFF FROM HIS PROJECT DRAINS TEMPORARILY TO THE SEDIMENT BASIN & TRAPS. THE SEDIMENT BASIN AND THE SEDIMENT TRAPS WILL BE REMOVED AFTER THE DEVELOPMENT OF THE STOCKTON CREEK DEVELOPMENT PROJECT. V) Z Z O O a HLn ^ w V/ O ,,^ z O \ / m > W w Q� �� Ie iCOTT/R. C.'L,LINS'Z Lic. No. 035791,E ,, 7/28/22 AJ z O O w U J w < J w CC) w J¢ m O a F O Z O Z U) O In M 4 m � m to O -i 0 P z Z N N W [V Ln 0 L W Ul Z J J 0 (3) 7- [` M M N 4 M Nt N O N (N > LU J_ U) LU J = U Y LU �___ U) LU LU U) LU O O N I w O CI_ z g a_ C� G I z O I --I I --I �../0 00 L) LU LU O U 0 L) LU 9 Q Z J O O U z LU 0 LLJ U) 06 O O ce L LJ 222207 AS NOTED SHEET NO. 3 Pared construction entrance forermion control plans 1992 3.05 1992 3.05 TH 0 CONSTRUCTION OF A SILT FENCE CONSTRUCTION OF A SILT FENCE 1992 3.11 1992 3.17 O �� CONSTRUCTION -7O• MI" (WITH WIRE SUPPORT) (WITHOUT WIRE SUPPORT) ACCESS VIII� 3' SM-2A ASPHALT TOP 7��T] �j 7�Ft� �I �J STONE -LINED WATERWAYS SCOTT R. LINS'Z IZ COURSE IR 1. SET POSTS AND EXCAVATE A CXe 2. STAPLE WIRE FENCING TO THE POSTS. 1. SET THE STAKES. 2. EXCAVATE A 47X 4" TRENCH TEMPORARY 1 RIGHT-OF-WAY -01' -WA 1 O ~ EXISTING TRENCH UPSLOPE ALONG THE LINE UPSLOPE ALONG THE LINE OF LU Lic. No. 035791,E .r.T/ ; - ➢._-R_n _+ - _ PAVEMENT OF POSTS. . STAKES. DIVERSIONS 6'MAX w 1 10 7/28/22 w� - 6- M N. 2'A AGGREGATE BASE VDOT #1 4-12" �`S'SI ET1r'l COARSE AGGREGATE "14N oo^FIJL�I//�_ = ONAL Z a - Z 5'ONE �70' hI / IIII / _ 1 ) _ IIII FLOW 18" Il�-illll pppp - CCY}, I NJL'IUN ASPHALT PAVED- ACTF`-- A WASHRACN _ III " III O I- - a- FILTER CLOTH-IItR�1�R��I- KEY IN FILTER --CLOTH 6"-9" EXISTING !I 3. STAPLE FILTER MATERIAL 4. BACKFILL AND COMPACT 6' MINIMUMI% 2R PANEMEN11 FLOW III I IIII �IITO STAKES AND EXTEND THE EXCAVATED SOIL. 2% 12' MIN.• 4.IT INTO THE TRENCH.V-SHAPED WATERWAY WITH STONE CENTER DRAINNOTE: A GRANULAR Fn,TER MAY BB SUBSTITUTED FOR F[LTER CLOTH. o 17-- -___ 3. ATTACH THE FILTER FABRIC TO THE WIRE 4. BACKFILL AND COMPACT THE ,POSITIVE DRAINAGE FENCE AND EXTEND IT INTO THE TRENCH. EXCAVATED SOIL. TYPICAL GRAVEL STRUCTURE r 'MUST EXTEND FULL WIDTH �--A TO SEDIMENT / '3 W OF INGRESS AND EGRESS _ TRAPPING pLIRCE z OPERATION ��. U! /�. pl 0 M - -2/3 W O O FL ow - COMPACTED SOIL ____ _____ 4-12' __ __ _ _ __ axi tz' MIN IIII IIII II -III III - d =-_ Z o � < s POSITIVE DRAINAGE /�. /'� - " TO SEDIMENT / / SHEET FLOW INSTALLATION _ _ -- - - -IIII- m LU I� IwANPING DEVICE / �/ (PERSPECTIVE VIEW) ,.. - - '-' _1 m o 1 B�,k,,H,,N,73 1 FLOW / �= to:, urN III _ LJ a F117ERCt OTw III I" / I I �p-- III-__IIIIII KEY IN FILTER ~ W O 2 3 I FILTER CLOTH II AID I= / /� p Z I- o+ A A CLOTH 6" -G" V p Z c SECTION A -A =III - \ F owt e \\L H O in O EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. V) In F' IEIeeC) A nunnioau trala lap OI I sit IIIwl tic ML`LTlled trllll a ninuiIIIaII 1 WLII baOLock `� 8` r; is '°�' \\ g• MINIMUM PARABOLIC WATERWAY WITH STONE CENTER DRAIN W i o shlaoll t ah a .upplr'mM a wash It"c tttlll a thaalelet of I 'ill tle: tot adrellule FILTER FABRIC � NOTE: A GRANULAR FILTER MAY HE SUBSTITUTED FOR FILTER CLOTH. J LOavlml plesslae. Rash wale 111111.13 be L VIIed 3%%3% holes The elitLlte to all """ a fot'eLl eftlul_ a ea 10 Te110Ve ie(hlllell All He IMllell >11a0 be N eveltel hunt POINTS A SHOULD BE HIGHER THAN POINT B. � � Z c 'Jltp I WIRE I edemastoalus. cha•. ditches of watecomses. III DRAINAGEWAY INSTALLATION TYPICAL EARTHEN STRUCTURE Z N -I - (FRONT ELEVATION) 0 PAVED WASH RACK Source: Adapted from Installation of Straw and Fabric Filter Source: Adapted from Installation of Straw and Fabric Filter o Barriers for Sediment Control, Sherwood and Wyant Plate 3.05-1 Barriers for Sediment Control Sherwood and Wyant Plate 3.05-2 Source: USDA-SCS Plate 3.17-2 Source: Va. DSWC Plate 3.11-1 C a a 1992 3.08 1992 3.18 1992 3.36 1992 3.38 0 SILT FENCE CULVERT INLET PIPE OUTLET CONDITIONS TYPICAL ORIENTATION OF FENCING AND ARMORING PROTECTION A A TREATMENT - 9 1992 3.20 0 ENDIYAI.L (SOIL STABILIZATION BLANKET) ROCK CHECK DAM N N W N 3d - SMALL°W I CUT/FILL QUANTITIES: a N a0 O SLOPE _________________ ____ dO I 2 ACRES OR LESS OF DRAINAGE AREA: In r, `l---T-'-------- _ ON SHALLQIY SLOPES, STRIPS OF O TOE OF FILL I PIPE OUTLET TO FIAT NETTING PROTECTIVE COVERINGS DRIP LINE I VOLUME OF CUT FOR LIMITS OF DISTURBANCE: +F- CULVERT AREA WITH NO DEFINED TOTE BE APPLIED ACROSS 1 0o CU. YARD CHANNEL ��II B" j }S PLAN v[Ew 3, VOLUME OF FILL FOR LIMITS OF DISTURBANCE: SNOW FENCE I FILTER CLOTH 33,000 CU. YARD > I OPTIONAL) NET VOLUME OF FILL FOR LIMITS OF DISTURBANCE: I I L B WHERE THERE IS A BERM AT THE TOP OF THE SLOPE, - BERM / I (DOWNSTREAM VIEW) 1,500 CU. YARD c} I I 0 X -• BRING THE MATERIAL OVER THE BERM AND ANCHOR IT BEHINO THE BERM. ______________ __r______�__ ___ _________ ____ d aMl aM VDOT pl 6" OF TOPSOIL SHALL BE HAULED OFFSITE TO A > `-- --'' COARSE AGGREGATE N 00 PERMITTED (SWPPP) SITE I` 0 a TOE OF FILL SECTION A -A FILTER CLOTH KEY IN Br-G-; RECOMMENDED FOR E� PERIMETER SLOPE STEEPI FLOW `''! 3' ` , 00 AS EXPLAINED IN EACH PHASE NARRATIVE AND M 3 - sLOPEs. APPLv BOARD FENCE am REITERATED HERE, PERMANENT OR TEMPORARY SILT FENCE DISTANCE IS IF MINIMUM IF FLOW A ON COVERING PARALLEL TAM O IS TOWARD EMBANKMENT �- TO THE DIRECTION OF FLow coR° FENCE SOIL STABILIZATION SHALL BE APPLIED TO N ;l 11I 3d (MIN.) _ av0 ANCHOR SECURELY. 2-10 ACRES OF DRAINAGE AREA: DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL `- ROW A O PLASTIC FENCE (� GRADE IS REACHED ON ANY PORTION OF THE SITE. z ** DID ! - CORRECT METHODS OF TREE FENCING �, OPTIONAL STONE COMBINATION BRING MATERIAL DOWN e' STABILIZATION SHALL BE APPLIED WITHIN SEVEN N o PIPE OUTLET TO WELT, DAYS TO DENUDED AREAS THAT MAY NOT BE AT p DEFINED CHANNEL '"'"" I + 3' m 1 TO A LEVEL AREA BEFORE f FILTER CLOTH FINAL GRADE BUT WILL REMAIN DORMANT 3 T D• I s• PLAN VIEW UNDER TINNED sTewF n n N INTETURN THE END -a t �t I (OPTIONAL) (UNDISTURBED) FOR LONGER THAN 30 DAYS. N �, L a '� :..1Y (DOWNSTREAM VIEW) J PERMANENT STABILIZATION SHALL BE APPLIED TO 0 9. -• VDOT AI - DITCH FLOW coAxse AGGREGATE AREAS THAT ARE TO BE LEFT DORMANT FOR MORE > FLOW ti 2.9 d IN DITCHES, APPLY PROTECTIVE COVERING THAN ONE YEAR. ;I _ PARALLEL TO ME OIRECION OF FLOW. FLOW 2.r 3, J w SECTION A -A USE CHECK SLOTS AS REQUIRED. AVOID / Q Lij JOINING MATERIAL N ME CENTER OF / 'aFw 1 FILTER CLOTH KEY IN 6"-G': RECOMMENDED FOR ENTIRE PERIMETER ME DHCH IF AT ALL POSSIBLE. J l O NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP. GABION AXaa NFR J o CUSS I RIPRAP BASKET, OR CONCRETE. a `• VDOT 113, #357 OR #5 COARSE AGGREGATE 2. Le IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED 111,+ CORRECT TRUNK ARMORING CLASS I RIPRAP TO REPLACE SILT FENCE IN - HORSESHOE - WHEN 00 O C HIGH VELOCITY OF FLOW IS EXPECTED USING PLATES 3.18-3 AND 1STON. LL 9. BLESS THAANN TIMES TCH� MUM STONE DIAMETER, BUT NOT TRIANGULAR BOARD FENCE w O o I� o Source: Va. DSWC Plate 3.20-1 0 Source: Adapted from VDOT Standard I�-I O 3 Sheets and Va. DSWC Plate 3.08-1 Source: Va. DSWC Plate 3.18-1 Source: Adapted from Ludlow Products Brochure Plate 3.36-1 Source: Va. DSWC Plate 3.38-2 O \ U /1--1 Jill° 1992 3.01 1992 3.07 TEMPORARY DIVERSION DIKE 199z 3.14 1992 3.24 Q SAFETY FENCE SILT FENCE DROP INLET EXAMPLE PLAN VIEWS OF TEMPORARY CULVERT CROSSING U LU_ PROTECTION BAFFLE LOCATIONS IN Y U) 0 o Will - CAPACITY OF RPM: CUUoTM C �Coin acted Soil SEDIMENT BASINS- LU w O oil 2 X 4• WOOD FRAME TOGETHER = FLOW VRI°TH GRATE p VDOT /1 COARSE AGGREGATE C DEEP ,�•. ® V •• -+�� D F2PIPE DIAMETER OR 117, \ EARTH FlLL COVEREE �_ LU E ,.� ■.. - FRAME 16minD 2 - NO Srur WHICHEVER IS \ ROCK 1.5' WVt. GREATER ` BY URGE ANGULAR 1 1 1 II, t` - F.-` •-FLOW - (11I I INFLOW V J L (' �_ IIIILLLIIL1111 IIILLJWWIII IIII \\``'Q_ RISER LIA v r , O Of w a R 3' MIN. milli��`,WilillMilliEffilill \ 111111111111111111115 D/2 O Z IIIIIIIN r� .5' min. NORMAL POOL \ L = THE DISTANCE FROM 4LU O W THE POINT OF INFLOW yc, V I GATHER AROUND ME BAFFLE TO � FILTER CLOTH EXCESAT A �� Hw z S CORNERS `O THE RISER. V w ISM U J NORMAL POOL V J O PERSPECTIVE VIEWS 0/2 L RISER \� D t ,. -B4�E ELEVATION LU LU O r STAKE SPACING BETWEEN CHECK DAMS o PERSPECTIVE VIEW FABRIC I� VDOT 111 COARSE LARGE ANGULAR Q > L = THE DISTANCE SUCH THAT POINTS `^ AGGREGATE ROCK OVER lk e'x+x s NORMAL POOL RISER INFLOW EARTH FILL 1A AND H ARE OF EQUAL ELEVATION l \ U ,' MTV. � O x BAFFLE ` + ; ". O s ELEVATION OF STAKE AND L , 2 °/2 ! ° FABRIC ORIENTATION DETAIL A 1 3 INFLOW 50' MNIMUM I I I I U I I I I 50' MINIMUM 0 SPECIFIC APPLICATION F- A SHEETS OF 4' X I1/7 EXTERIOR r 6 TOP OF BANK TOP OF BANK $ u.a :�. - PLYWOOD OR EOMVALEM 0 W 'll' THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE _ LJ��` „P,P „• INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER Source: Va. DSWC Plate 3.20.2 RISER CREST ELEVATION d In THAN 57) WHERE THE INLET SHEET OR OVERLAND FLOWS (NO" - EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT i 4' i JOB NO. o PERSPECTIVE VIEW PERSPECTIVE VIEW APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS POSTS MIN. D. T SQUARE ONERSION AND/ DIVERSION AND/ 22207 IN STREET OR HIGHWAY MEDIANS. I , I L°RFAST 3' INTO ME GROUND. DR SHALE PLAN VIEW oR swALE L PLASTIC FENCE METAL FENCE B. SCALE o AS NOTED o Source: Adapted from Conwed Plastics and Plate 3.01-1 Source: N.C. Erosion and Sediment Control Source: Va. DSWC Plate 3.24-2 a VDOT Road and Bridge Standards Planningand DesignManual- 1988 Plate 3.07-1 SHEET NO. c Source: USDA-SCS Plate 3.14-6 N 4 s H VIRG/NIA EROS/ON & SEDIMENT CONTROL EROSION CONTROL I - - \ \ _ - - - - \ \ HANOBOOKSPEC/FICATION NUMBER j / ♦ / l / I I I I I I I I \\\ - v SA SAFETYFENCE 3•01 - //�,♦ / /k\/ /♦ I I I I V\A\A\ \ITW6 6L ♦�. L6 A A T. M.69-6CCE CONSTRUCTION ENTRANCE 3.02 \ �♦ // STUART T YORSIVIAC�K I - \\\ \\ \�\ \ GIBSON,EVERETTEJR - / \ �\ \ \ \\ \ \ \ \ \ \ \ \\\� / \ \ I� � SCOTT R. C'a'LLINS'Z /� DzB.5246-C�21 / I� IVA\\vvv\vv�vvv�� \ FIELDS- CRS CRS CONSTRUCTION ROAD STABILIZATION 3.03 / / / ♦ ♦ + / // / I \ \\ \ \\ \ \ \\ U Lic. No. 035791,E D��i415764)9 PLAT vvv/��jl / wAv��Avv�vv �� 1.07ACRE5 7 Z SF �F SILTFENCE 3.05 / / / / / ♦♦ / / ♦x j/ ` \ \ \ \ \\� \ \ - - 8�22 ,0 IOA lP IN U (DSTORM DRAIN INLET PROTECTION 3.07 i / / / ♦ / / / ♦♦ /// \ 1\ \ IS \ \ \ -i - p ClP CULVERT INLETPROTECTION 3.08 \ r' ; / // \ DD TEMPORARY DIVERSION DIKE a - - -` / //// ♦ \ _ - - \ \ \\�Q \� °. ¢ / ••- •-e / - - \ \\ \ - - \ \\ \ \ \ TEMPORARY ROW DIVERSION ii `♦ / / \ - - - O e r /� �. �\ r `_ - 'OR ST T.M.69-516- 1--�� 3 \ 7 R VISEai0T 6 \ \ p f - - 7� F \ \ •` / / / TOG ON C LL o \ �s r it /- �� \ \ l e` O O SCR/ T E \ \ \ \ \ c/ \ \ \ \ SOIL TYPE L%/ -_ \ C MCC DENIS \ \ \ \ \ \\ \\\ \\ \ \ \ \ \ \ \ - --------- `♦ / / /- 7 \� --' -� � dT/ `SD r 2 FIELDS - - - - ♦� .6 BOUNDARY (TYP.)i/,�/� �_\�. �� \\',`, T(/,� (/F \ \ \ \ \ \ \\ \\ \ \\\ \ \ \ \ ST SEDIMENTTRAP i ` - - - - _ / \ �� \ \ \ \ i- ��\ - g � / \ A/ .80 ACRES SB O SEDIMENTBASIN 3.74 \ - - - _ - - - \� / % \ ♦ / t\ \ \\ O� \ � � - \� \ \� ego -- - / /� A A ♦ v �.v - - vvvAvim \\ A \ % �� v OP --__-------Ar�/ v/ �-- oOUTLETPROTECTION i8 - -is 0 vA / / v v v-� ♦ - _ 1 ep� �� v�\�v Vv v� / i vv A \ I V A V _-- z < RR RIPRAP 3.ig \ / �-. / / / \ \ \ v ♦♦ . "Ofi3--�-_ ,�...,.r....._ AV AAA \ 4, A V A A \ V I \ \ -- r\� / vvvA\ \ \ I 1111 v vv-----_ Z o w a TS TS TEMPORARYSEEDING / / / - - ♦ \ \ SOILTYPE76 - - '' /_ \, " \\\ �\ \ \ \\\ \\ \ \ \ \ \\\ \\ \ Q m 33i \ ifi/ : A . - J \ �bb \V A �\�\\ \ \\ - - - 0 a w vwi / / i / AV AA \ V ♦♦♦A V ------ V / V��O'� A�V"VA�v� VAS �..;. v \ I I 1 \ VA A \ \ \ H uVi �o� A vv a\� vvu �v v A\V 11 v V -v v o PS PS PERMANENT SEEDING 3.32 ♦\� \ \ _ \ / •�\� \� `,\ \\- \ \ 1 I I \ \ \ \ - - \ w / V A V A \ _ o z DRAINAGE DIVIDE - - A VA \ \ 1�y\ \ r _ - - A z -SEDATE pr \�\ \V A V V A VVA V v -- - � 1�1 ��A..,,�v ��.� _� _-_ 'vv 111 \v _ o o z MU MU MULCHING A r / / V v vA - \ \ SEDIMENT BASIN - (TYP olLrvA��6 \ d \V I I V A V� \ v - - o 3.35 , -- \ \ _\ \ \ i= 3.6ACRES - \IL \�' / \ \ , - - _ SO TVPE yE 1 " III I \ .�. (n \_ - , \\ 7 /,_ gzz-- 1 -9z 1 \\\ \\ \ \ \ '� 7P TREE PROTECTION 3.38 \\\\\ ,r/ /�� SOIL TYPE- \ \ \\�� - \, ,`,• - �� I" ��• ��\\ / - \ III \\\\ \ \I \\\ \\ \\ \\\\ u � v=i _ \ // _ e \ \\ \ \ \ \\ \ \Lu \ r / BOUNDARY (TYPJ- - \ \ \ - - \ \ g / / \ LLe I ( \ \ \ \ \ DC DC DUST CONTROL 3.39 \ \ \\ i // / i - - \ \ \� �- - - - - \ ♦ \ - - - - - - - / O c \ \ \ LL \\ \ \ \ \ \ \ \ \ a o \�SOILTPP�$ii--- ` _9i8 „\. \\\\\ \ \ - \\\ z \ \ \\ \\_� \ - _ - - PROPOSED LIMITS OF' \ \\\ \ \ \ \ \ z / - •� - DISTURBANCE=16.z9ACRE5 APPRbXI ATE z -SOIL - E 14D \ \ / - c' LOCATION S EAIVI O+ + , //� .\� \\\� \\ \ \ - )s----` \ \ ♦♦ / --- �� J / Orr; BM + + + SOIL STABILIZATION BLANKET 3.3 \ \ \\ \\ ; // \� \ - \ �T - $ \ ♦ \ \ \ \\\ i //// --- \\\- --- - \ \ ♦ - -♦ X \\ \ \ \ \ \ \ \ \ \ \\\ \ \ \\ \\\ \ \\ \\\ \ V\ V \ I\ I I I I I I III II II ' /- - -\\ \\ \ ♦ ♦ A\VV�A ' AT .I S ry/`VI/r///�\/ /l//,//- / `- - \ \ \v\\ \\v\ vv \vv\ \V vOvv \ \� \ \ v\ vv\ v -- - _ v\v\V ' i♦ ♦ ,_ _ /,�•O�•/�R� EEII A\D IL TYPE U LITY -SOILTYPE -SBOUNDARY TYP. --- \. \1 \� r BOUNDARI ACTOR TO Y (TYP.) �OTECONTR ENSURE POSTIVE DRAINAGE -- V \ \ \\\I1 \\I \\I I SOLTYP7e CONTRACTORSAINGAR ALONG DIVERSIQN DIKE o VDH WITH FUELING TANK,DUMPSTER SOIL TYPE �4DAND PORTA-POTTIE - \\\ \\ o h MONUN} NV A \\ V IV-�tI y V A ' /V��///\///6♦ i / i /�/ `♦i �♦` / /♦ // / / ' r rV //I /vV r`A v -� �-�i - ss" -'- .YP.) -A \'•ASA vA v.A\ r\ �v`,v ♦ ro^AA� A AV A� VV\ ( \•A A A "A♦V,- •�v♦v�ti\ mv,♦V '�A ,•vI�A�*VV AAA�! AAA P\ I AV�/i�`vII v�A d � � vS. fi ` _` -' v -v� P �Av�A V A � \AV\ D1A RI ,VAV/�\AIV N��vA\GviI E A\\ SnviU/�wP`C\�PvAlI, wOP\ A E RV��T`%A�V�I\ARw,Evr vv v♦\ ,8 �8A, v� w•AV r \♦ vvV v v�- . �< r O//I/LT=8/A"r�/// / -/5/ r rIr ♦rr rr,- 2irG-i rr�� M_ OAD/ D r I I / /o�/ // / TP -D /f ' _v- / i/ //i S/ F //✓ / ♦/A ♦ / v♦Av♦//A /v .\/ i � ♦ i .V 1/ I ♦A lI/r I I / Ar♦��II I r IrI ♦/ l♦�I I/ /�I/vI //I/ I I I l /�A �' / /I I \/�I / II/ II//I \R/I/ /I/I//\ �/ I I I II /I /�/II /�I/I / I I/ // ////% /q// o/ A 0 SF CONCRETE WASH \ v r�� dA °\\ \ rArV rV A\VxJ \\ -\• 'Aw .V �\A � v\• v\'� \\- - \�-V \V A�V \A� VA\ AAI\ I \I \AIIII \I v vI\vII vA IVlI I o \Av \ \Av� vVa A� V \-- �_- 1IV \I p CDC)N �NC)N Lu ry r'VOUTAREA SUPPORT DIVIDE SOILTYPE TO w W1tEO CD 00 BOUNDARY (TYP.) ATE S�DIVERSION AND DIVERSION Tp.) 0 0SMALL SEDIMENT TRAPPING DEVICE 76 yv SOILTYPEBI6 V �0 Oil FOR CONSTRUCTION ENTRANCE A\AvSOILTYE�,F V A PROPOSED FENCE ROPOSED FENCE $ AROUND SEDIMEN illAROUND SEDIMENT /, A\ REATOEMNT 'SoILTVPE14DATRAP A N VTRATRAP 31.zCRELOT7 ♦\\ -� MAN TRUST AREATO v4o o RACTOR TO L9 TE: CON_ 4733-23 SEDIMENTTRAP _.5q NO �.4 -20& 21 'PLAT 2.44 ACRES NSURE POSTIVE DRAINAGE 0, DE ING DIVERSION DIKE /D44� o� 6.3530 234 PLAT M CAREAT SOIL TYPE AC 0 .99 iz'xBOUNDARY('SUPPORT TRUCION Apl, soCvPESgw/WI C7 ADE v ENTRANCE SHALL BE INSTALLED ST.M 6///OPERATED, AND MAINTAINED BY ROPOSEDTEMPORARY pPOFNOTE: THIS CONS Nt EATO IMENTTRA THE CONTRACTOR. ALL / / / / \ STOCKPILE SURROUNDED` \ '• - oPM ^ / I / o '\ \ � � 6 \ \CRANE\ H N N/ASH RACK ♦ ° \ BY SILT FENCE V A ' ° ♦ \ V A V� g' e r A v a ` g V / / \ I I III I : r' F \ \ 36.�8�AbCRE O /CONSTRUCTION TRAFFIC IN THIS / / y i ♦ "g SOIL TYPE \ \ 1 \ N ♦ \ ° \ yea' \ - ♦ �i 94 ` I I I I I / p LL e \ �- p \ \ \ \ m \ \ \ a SOIL TYPE I I \ \ AREA SHALL UTILIZE THI / \ r \ \ 'a \ ♦ I I I / _ ° \ N FLOW DIRECTION ♦ ,v A V �� v A \ - A CONSTRUCTION ENTRANCE. / \ ♦\ 1 AREA TO \ \ ` \ BOUNDARY(TYPJ I / p ¢ q`0 \\ \ \ N / ARROW (TYPJ \ i a \ \ \ ` e. - \ - ( J / \ O 2\ \ ♦ \ , SEDIMENTTRAP' \\� \ \ D \ SF I / / O /// / /// /// /� l \ ♦ r z=2.gzACRES \ \ \\ \� \ , \ r ♦ " \ \ , \ - Y / O l / \ \�\\ j/� ////// // /// / / \ \ \ ♦♦ \ \ \ \ \ \ ,\\\ t \ \ \ \ , \\ ♦`- \ \ ` \ -----SUPPORT / \ \ soIL7%b / p `\ \\\\ \� l � \ SOIL TYPE 8gB � � I / g / / / / ; DRAINAGE DIVIDE SOIL TYPE \ \ \ \ \ II I I I I _ Tj.M.6 6 / / / D A v r (TYP.) \ \-V _ ARE TO DID = II / / v v / / \ . 6 ,AVA\,VA\V ♦ U I I O A FR K D�fyLE� / 94 / - ( ) v \\\I A ♦ v I p� v _J N / BOUNDARY TYP. \ \ I / � / \ \ � � 88 AC / � I I I I I 1 LL k ,� / I / / \ f,OTE: CONTRACTOR TO I I \ \ ` � � \ ♦ � \ \ \ \ � \ \ ra "" \ 4' � ° \ / i \\♦ \ - �� v ��I � /C RL/AO LEY/ / I I I / / ENSURE POSTIVE DRAINAGE - - i / s - \ J A ��♦ �\ \ ♦� - 60 A �V p 6.3 80-8P A NG DIVERSION DIKE / \ ♦ , A \ �� 6 1/ - ///BLhIT I 1 l 1 I ✓/ AV A i /i / / I 1 A♦ \ V - �` \ -- �I I I11 VAI \11 (/ // ,o j�PO E �� \1 / / U) \ - 1 \ \ LL kz SEDIMENT BASIN r \ MOTE: ONTRA�TOITb\\ \\\\ \\\ \ / AREA TO r ` \ \ V 1 / p` /• IS 940___ . �'6%SOIL TYPE 3fiC l I °j / i-- �G� J I I , V A , - 11 1 1 . A \ } / / p P / / /- i ♦ \oPOELu 1_ , \\N/WIRE, 1=7.16ACRE5 r \\ \ �. D \ // / / ��\LL \ �� // \\\ O h� r DIKE VA\ \\ / �ASUPPORT V - - ��r \\\ \ AL ENSURE [VERSION \ \1A11A11A / p 6E 920- r 1\k \ \ O \I ALQN E lVER510N DI __--- ---- -�- / , 3, /- M / 1 ,4 \ \ I �� A n FSOIL TYKE 89C I IS/ \ - r `• VA� \ o ! \ V LL - S�- ,' i/' / / ,' . �-�_� � � � � - r r v � I I "POLE � �,� I ---- - __ -_- / //, h�� ,�. I CLASS , r �e%s v v ; IA11 111 OVERHEAD / 6 / Q // J <vv \------_- ----- ------ -_---'�;SUPPIORT/ //'� / /� -� v000,w=uPlr0sNei�, A \ /r v V v t VA VA / / AREA O DD - r / \1 \ UTILITY o / / / l I , .�. - _ - -- - - - --_ / / / i / // i_ - \ i / I / CONTOUR LINE \ - _ I �. // Off• _ - - -_ _ _ - - - - - --- -93o i / / i / // / , 912� \ - / `i.89AC - r \ ' I \ r ; . ` \\\ \\\,1111 1111 ' I LINES I !� / 017, / (� Q -- - - I�--- PROPOSEDLIMITSOF/-solLrvPE36c �' - / \ \ VI ! a i ��--- _ ��`.� '� / VA\\I DRAINAGE VIDE _DISTURBANCE = i6.zg ACRES TYP.) . SOILT\ PEC0- SOILTYPE i4I\/W o T BOUNDARY TYP.H \V A SOILtYPE8913 / \VA\ / / / / /' // % / VA / VDH ! \ /o - - _ // %/ //% , // \ \ \ - - /DISTURBANICE 116.z ACRES 'i PROPOSED LIMITS OFul / V v vim'' / -� 9 - V A i V A\VAA AAVA VA� / /// / / / I / i v-, \ \ \Vv vv /w/ v // / / / / / MONUMENT / \ I -\ -- - / / l \ solL'TYP) gad , AREA TO \\\\ FOUND v v //�JF,AIJ,(�9- \� NOTE: SILT FENCE SAFETYv v PROPOSED FENCE �, v VA A",P \ V I I l / � � / , /\ � � v ,�_ A \ � o.6zAC � ,. / W y / _ _ o� __,v w - - FENCE AND TREE PROTECTION - A 1 r ' \ VAA A \ VA VA v _ / / ; , / ! REVISED LOT $ \ _ - TRAP ND SEDIMENT r _ v v OCKTON-CREEK Z6 - - , / `I A \ /, \ \ VDH H SHALL BE INSTALLED AT LIMITS / � n , \ \\ \ � / 4.;56 ACRES__ - 3oILT�E66c / m ;. µ ; : y ; :\ \ \ \ \ \ \ \\ \ / OF DISTURBANCE.THSEARE , / %� MONUMENT U) �/D B.55/4,AG.614 / --/� / r � � :� �, b V v �� SF POLE I'A�V A \\ �' // . PURPOSES. DRAINAGE ADIVIDES \ \ - \ - - ! / / /p r T \' \ \ o AROUND ESpEDIMEN w/WIRE 1\\\\\ \\ \ \\ - i / / / F�� \ ARE MEASURED AT THE LIMITS v v - NOTE: CONfRACTbI�TO \ r �' a \ \ 8g0 ENSURE POSTIVE DRAINAGE BASIN SUPPORT \ / OF DISTURBANCE OR \ \ \ M f *'° ° * ; : soi \rvP� s c 9 soILTYP // \\ \\ \ \\l LLI v� � ,.� 9 solLrv�sB�\ DIVERSION DIKE. v vim\ V A \� v / V - - i / v -'ALONG DIV R I N DI E\\ - � / i / / / � �-��-- � �� i�� ,. ,.,;.,� \ 1 FOOT LONG AND -\ �/ � / \ / \\�' - / \ PLEASE SEE DETAIL SHEET 81 • i ; . , . w ; : FOOT HIGH BAFFLES / \ vv NI' EIyT yI� ��/ //// ---�� //I i �/ _-_ - - FOR SEDIMENT BASIN2'S-(I / s �, \ \4 ° / 4'" ll\VA \ \CN DESIGN DETAILS - / i \ / I \ \\\\ I \1 \ \\ \ 0 S - i -� v / < S VAA\\\ SOOILNYPR O� o� ii A� \ / -- - - - i r - ( / \ I _ I _ sLOHS -- - ) - ---- CV - \ - - - \ -- \ � I % // A * ' ss \ \ \ SOIL TI�f'E iyD r � A I --- - - - - -- F �-_' ."• � � _ __ .I•, , \ ��i" III\I \\�� \ \V \ \ \ 'SPIL TYPE iC - oL=oi_r6' dw----- ------ -- /i• A I _ --- '- - - --- --' -- -_- `--` -- _- " <- -ti-- --V--� - J- �\ -\ - '---'--' _ A sroNEO \ \\ \ \ A FREEM ASS'D\7�2, A T VR \I\R --__ - - in=6,w2=z8' JOIN FOUND 47 TM.69-19A7RCJJLSTJO��_SC_ & FOUW)- GRAPHIC RAPHIC \ I SCALE - - - CASEY RLUST 151 CRTEA a80 0 40 80 160 \\ \\ 320 -2-lACRES 'WIDETOPOFDAM, FOUND - - - - 8MONE NT - � /--VDH ��11�� - ( IN FEET MONUMENT V�1 inch = 80 ft. _- FUND I 1 / \ 'U'f121ENT MQ z Lu C� U) G � I O I --I 0 0 u z Lu W Lu Lu V) z z z ~ 0 U U) W 0 w IV) JOB NO. 222207 1 'r=80' SHEET NO. 5 EROSION CONTROL * VIRG/NIA EROS/ON& SEDIMENT CONTROL - / / / l l l - - - - - - ' V A V A \ \ V A \ \ \ V A V A A \ \ \ \ VAA \ A \ \ HANDBOOKSPEC/FICA TION NUMBER SA SAFETYFENCE 3.01 /T.MLO.6 6-6IL 3.0z / / I T. M.69-6-- - - - ___ CCONSTRUCTION ENTRANCE / C v A / S.TUA/RTT/AYOR/SMA/CKI v///✓/ // -/ - v v vGIBSON, EVERETT E JR /\ \vv\ vA\\v\\\\o�C�ss('aLLINS'Z 'B.52-521CONSTRUCTION ROAD STABILIZATION FIELDS L) Lic. No. 035791,n D415�4,707PLA�1.07ACRES A \7/2 20-j �w SILTFENCE 3.05 v ooO s / _` _ \ \ \ \ \ \\ \ \ \ \ \ \ \ \ tot lP STORM DRAIN INLET PROTECTION 3.07 / / / / / / / //{ ,_,�,� / �� // // // � ri/// � 1 � �;� �,_ w� ,��"� � ��-'�•.� �y /� /��"v_,//- '/ _ _ _- - w - v v v � � wvvvv�vvvvvv w v v ClP CULVERT INLET PROTECTION 3.08 b� / - _ 1. y Imo. ""iW W...�. / i J/ i A\� ✓ -" �� VA VA VA \ VA \ \ DD �� ISOTEMPORARY DIVERSION DIKE 3.0J `�yQ ��, ; �� u _r- -- ��//"-=../a�..�.'- -•" �a .=�...1A. . VT.M.6919G 9A A--------O A�-" I -//� +► TEMPORARY RO WDIVERSION / /- T.M.69-516 O -N vV3"ii -VIXQ SCR/ MCCLANAHAt; DENISTOCON C/REEK LL - -- - - - - - --�ACK FIELDS / SEDIMENTTRAP VA �- -- -- / 2.80 ACRES 614 A\ \ VVA AAV\\A\ AV 3-23 V \ V V A\ AA \vV \V \A A A \ \ \_ SB O SEDIMENT BASIN i _ / \ \ \ \ ♦ / 3 4 ��_ -- - A // / / A A ♦ A �_- v / `` v Q ��CRJC�l1 ST®PESw v ��w\�<<�.. A\ A A A V AA \ VA VAA \ V z ��- ----_- �_ \//� -� / AA A `♦ / / ��'`_ A A� ��--- evv�� z OP OUTLET PROTECTION 18 _ - - - - / v '� �� "�Qv ��,,. �vA• r / - - A A V A \ V A I A - - O m 3" 9 \ ✓ / / \ \� \ \ \ O p\ \ \\�\� / i 1 \ \ \ w \ / l \\\ \\ / / v ° vv v v VA AVA 111 I VA vAv- z a RR RIPRAP � \ .-, 6 a - � �� \ \ �yv'°v•�.. � \ V A A 1\ I Il \ Z o � a CD ROCKCHECKDAM 3.20\\A\� V A 1 VA V - - m w 0 \ �/ 1 / / / / v \ \ V �� \ � � -� /�v I : �'`� �v\\ \V`� �v � v•ram•. 1� VA�\\\1 \\\ \VA V v m \ \ \ �.. \ \ \ \ 1 I I \ c� Q V IVAv VA v v �..� m TS TS TEMPORARYSEEDING 3.31 / P - /- V A V v ♦ V A / O 0 A\ �VA\a\�VA A uV v V / w O / / - �i/ / Av VA �� . ---_ \ / v� ��/ ��"AA� vA �V1II VAA V�VA v -__ \ tn o z �\\\\\\ O A PS PS PERMANENT SEEDING z O� �\ 1" \\ \ �•� \ - \ \ III \ \ \ \ \ _ - - \ \ Q 3"3 --' _ ,/ a\ \\1 \�} \ 1 IIII \\�\ \\� \ o AREATO FLOW ARROW ♦ ( \ \ I l \ \ \ \ M MULCHING 3.35 \ \\ / / / - \\ \ \ \ \ Q - ` , a \ Q1=Ln 744ACRE5 ---- ♦ - 4- o / o �\ \ \ I(l(\ \ \ \\\ \ \ \ > > --� \ \ \ SEDIMENT BASIN - 9�z- -(TYP.)--- _ 9z //o/d� /d 11 \�\\ 1 I/I �. / - - \\ CO � VAA / / v V ♦ - / // 0A�A11�k. �� a ry � TREEPROTECTION 3dB vvV AVA // //ii'--.�� v �•�A '%- --- - ♦ PROPOSED LIMITS OF u: Av V�\ \\ v� v - v v� v / l_ _ v v- y DC gie ° 4 r \ VA\ \\ \ 1 v v v v z z \ \ \\ // \ � `� Q \ \ - - -` \ \ \ \ v / - - 9 S 9%\ i LOCA� ON S R AM \ \ \ \ \\\\ \\\\�\\ \ �\ \ \ \ \ z _ ' ♦ DISTURBANCE =16.z ACRE DC DC DUST CONTROL 3.39 / / \ \ - - - \ / - ♦ \ \ \ // / \ \ - \ BM SOIL STABILIZATION BLANKET \ \ \ --- -- - -` , \ \ \ \ I - - - -_\ - - \ \ \ \\ \ \ 1 1 \ \ \ + + + 5 \ v / A y, v� Q v \ _ _VDOTCLANEDI` �I - ♦ / / A 1 \ + + 33 V Q V / � � \ � �` ` ___- ( / O ERHE.AD � � `V A \\ V v �Q v STORM STIR zo - - -----r \ �r MU ♦ / ULI LIE y c \ A\ \�, �♦ �/ °. \' \ V V A�I// / vvv / DITCH TO ♦ _ l \ �OTERE POSTIVE D R IN v V v - A V A ENSURE POSTIVE DRAINAGE v V A A A i \ V A V ( CONTRACTOR STAGING AREA / / - vv v A V\ C) A I I \ \ ✓// / v vQv vvA\\ s / - v \ o r/ VDH WITH FUELING ' \ AND PORTA-POTTIES - I / A A v TEMPbRARY A� MONUN% N\\VAA\� \ \ \ v v v v ALONG DIVERSION DIKE v\ \ v v A \ x \ 1 TANK DUMPSTER_ \ / _ , EXTENSION OF \� w/WI E sv // ) QvA P@L A,V CONCRETE WASH V/ _sue S v V •, / V A \ \� 1 // w/ W11tE \ \ VA �pq �5�� HDPE \ SUPPOR i 5"HIGHwEI / / A 1 - - \ VA\ Vv v ` - ni ni / 1 OUT AREA // V A i , A F INV IN= z 01 A A s - - / A \ / / �, - \ VAV A V ni r.4 / SUPPORT . V A v SAY 9 5 A V A +� V v / . CD wlI' HIGH SIDES / / / 'K / A w ��/ --- `-- A t ` A A v / V / V A T.Ibi v A O co / a . A 1NV OUT= 00.00 V / V � SMALL SEDIMENT TRAP /� �- - 9 \ v V / // / (- v / / / / �, A\ / V A v R/W DIVERSION AND DIVERSION DIKE ��/ Ip - A v v v - _ v v TP / / / / \VA �A�S J IZ o / . 66 A \ v v �i v v / / / / v v v, I / PING DEVICE �:L 334• v \ V9p0vv V A A w v A a° � � I�i'* �� I ��• A \V A ER Y 0 / / / \ \ \ ♦` v ` VDOT CLASS Al-- \ PROPOSED FENCE V �� v / / / /O �• / FOR CONSTRUCTION ENTRANCE / A A• A \ z ` �� A \ ♦ - 9 A A O SEDI AVA\ �.148 A�5 �$ I ,19 6M \ \ \ A / - \ i / \\ \ \ DTCHTO `rC /Tj AROUNDSEDIMENTC\TRAP d \ \ s : \ Q� C TRAP STORM STIR io 9 / \ ED LOT 7 w' 'GRASS LINED DITCH\, �♦ \s ` \ \ \ ' �� / ,' / / / / o .. \ \ V� A . V v.V�\\ �v �`\ VA �� ST3 / a D l / / l / �/ // // / �IA MAN TRUST �r� L9 TO STORM STR 18 ,, AREA TO - _ A �\ \ �� , SEDIMENT TRAP f � 1 i..g... Vv � � A �A �\,A�� v A V A � A A? a �� - - -' � l � � �i � i l l l //�l / I I " A•. A - I � � �� / / / �// / //q-20& 21 LA - v s \ V �� , � , / NOTE: CONTRACTOR TO � � I T \i-z. ACRES - V A / / �// /�/ / �j/ / / I / / � / � / / ___ - - 44 V � , v . • ♦ , ": �� `, "• \ V�� WIDE � ; � / NSURE POSTIVE DRAINAGE � 111 � l I l�l I / // / / / / / // / // / // D.B.4456-4 4 ONG DIVERSION DIKE i / / �P _ -_ m bN 8� v vTovoF� -/ / /� l 1111�1111 // ° 6.3530-23�{ PLAT I - \ '. v v QAM v � / / (\ (/ Avs. i------- - 90 / �I I I I �' \ r \� �. A \V �A oe \ ® C7 CLASS AI LINED / / I I I / \ \ � Z I � / / / I I II 1 0 \ /IRE 8 \ `. DITCH TO STORM STIR 8 / l I I I I \ ! \ \\ / / T \;" - - - / SF I IIII �I I - / / / 1 izx7o'MIN. C \ /a'HIGHSIDE6 \\w \e . / O \ \\\ \\ \\\I \ I\ C A i NOTE: THIS CONSTRUCTION I / / - - V A w� : / v \ IPA ♦ - J SUPPORT PIORT j v I I I II I I �I' 11 II // °� �. , � V A� \ ENTRANCE SHALL BE INSTALLED, / / �� MU �� v \QV i� ' ✓�� \�V�A �a v \ t T ♦♦ / I I I o `�� c� v IT ♦♦ ; A PROPOSED TEMPORARY . v of • - - / I I I I I III / A T.M.6��z� // OPERATED AND MAINTAINED BY 1O v / I o A \ v �i // ° ` \ \oPM cIp I I1 III III i / \ ti \GRAVE FIO, N THE CONTRACTOR. ALL / / // ♦ 1 \ STOCKPILE SURROUNDED < �J�, CONSTRUCTION TRAFFIC IN THIS/ / WASH RACK \ n� "� BY SILT FE CE s .9 ♦ \ \ \ \ o B \ a - J \ IIII / o) % \ \ �` A \\ \ ♦ I I I III ° \: F 9 \ 26.�8ACRE / v \ \ �a IP I v 1 I A O) AREA SHALL UTILIZE THI v \ V A -♦IIII II I III IIII / � ° CONSTRUCTION ENTRANCE. / / GRASS LINED DITCH �A ; Ab v ♦ DA=a.94Ac ♦ <-- ;,' - I I I I I / o SEDIMENT TRAP / o / v T5 2. z ACRES Q TO STORM STIR 1 V ♦ A av �sv I P V A /�/ / //� �� v v ♦. v = 9 v vAv v �- ♦ -/ V� /// //// / f / / l I / / i/ 1 A � �� /I/ 1 1� � V _ -� • A ♦ I w%WIRE �� I v� I I �I I / � *3 VA* vQVAv �_ T.M.6 6 \ \ \ \\ - P r \ / J II I II� III I o �\ \ \ / l l / / / I it \ \ \ DRAINAGE DIVIDE 1 v \ \ \ \ \ ♦ \ 8"HIGHw IR "SUPPORT J / W \• \� \ / \\ fJOTE: CONTRACTOR TO / \ yI I� / o l l / I / / I \ D \ / T \ CD w/i.33'HIGH SIDES/ _ I yell l } / LL I" \�� ` •` \ Mi LbLd T 1 / / I �') v � � `: - -+ 94 (TYP.) / �) v \ \ \ � ___ v � �. -asp__ I I I I I I I I I � � k ,� "� � � v v J FR K D�fyLE� v V�o v - - / I, I / / ° _J ENSURE POSTIVE DRAINAGE \ o. `_ / / o LL - / / / - - - - s - - 6O� \ VDOT CLASS I LINED r��,1 11 I I I / 6 I - / i B.3 80-82, ✓ A A NG DIVERSION DIKE � T / � � , � ) \ wooranssAisTONE \ V / pO�E \ /'- � � IS/& 6 PLAT 1 1 / \ V A �.��- - 1 T \ L-9,ws=3as; AREATO DITCHTOSTORM STR III I1 ! V1 11 / /o o / / / / 1 A\ V - i - C ti A ♦ W2-ao.z5' N EDIMENT BASIN / - %, T VA V A / / O� //., �� /Lu o as / --�� _ .44ACRE5 A -NOTE: IS - 94 --- �� .'VDOTCLASSAILINEDDITCH DC \6� of \ \N/WIRE PS J \ 1 \ D ENSURE POSTIVE DRAINAGE \\\\\\\ \\\} / // �• LL LU ~ I _ - - - - - - - Q ALONG DIVERSION DIKE \\\ 1 / / / o e \ S ) \ J = p \ � TO STORM STR \ toP _� \ e % ! \ - : 1 � 9- � M \SUPPORT � ♦ �` IP ,� A \ VA 1 / ,�A � � O � ' \ ' - - - - - - - Q _ `�� / I / / / j 920- �� / j'. \ \ \\ \ \ \\ \\ ♦ DA=i.aoAC OC . 1 \ \ \ �8' \ / IS \ / v A _ ---- -- i S�- / __ - ��I A v - _ / v v v � _ / / / � A \ 1 � v . 4 � v i` I 1 VA� V11 1 "POLE �e Lv Z� V �` _ - - _ -- - - -_ - - -- - �W%WIKE / ,� / / �_r ` `^ V A v vVDOT CLASS II STONE, 3g _ A II I A V�1111� 1�I OVERHEAD/ / �E9 �` f / Q O Q A '--am-- / / - _ J ti v �� / / T QJ - - _- - -- -___ _ - .SUPPORT/ i / i A _ i A L CONTOUR L NEL� / \ \ V�\ VI l I IIII (UTILITY I O v. / / y - - - - - - - - - _ - PROPOSED LIMITS OF / . i sa2�/ ;�� \ i i VDOT CLASS �� ♦ A �II I I LINES !/ �p > i _ v �1 / V A Q v / -_ v AlI LINED ♦ _ A DRAINAGE DIVIDE v / \DITCHTOSTORMSTR6•. (TYPJ A `♦ II1� 11j 1111� ! / ✓� - Y __ _ - _DISTURBANCE=z6. 9ACRES��.\\ l V /�- // -- W v / - - ` - - so _ PROPOSED LIMITS OF,�\ v�� i �\ VAA A \�\ / /� / / //// // / 5 / I \ DISTURBANCE =16LI ACRES �� ' �S� \\ \ VAV A\\ / /// / // // o A A A VAAA VAVA�V A\� / ///j / /j // / / VDH v / \ VA \ \\\ v /i/i / / MONUMENT \ I /If i9D - _- / \ \-\ - AROUND SEDIMENT \ , \ , ? \ % 1 ul \\ / H / / V / / - \ \ - - < / ///,/ i // / // V� v PROPOSED FENCE \ r :BgS \ \ �. / \ \ VA VA AA\ �\ vv VA / // / // / / LLI FOUND v v - �� A \\ / / / / <M:E�- - - - NOTE: SILT FENCE SAFETY-, - - �I� \ VA \\ V A w REVISED LOT I- ^ - ` -FENCE AND TREE PROTECTIOW, v - --_TRAP /r \\ �/ / / / / v v / OCKTON CREEK ZO A \ VAV �\ VAV / \ � -SHALL BE INSTALLED AT LIMITS V A / / VDH 4.56 ACRES �__ - _ - - / / s \ \ OF DISTURBANCE. THSE ARE / PROPOSED FENCE \\ \ \ \ / J / / (FQ ND ' \ \/ / ////IMr, �s :\ \ \ 86 /\ \\ \ /MONUMENT / U) \ - OFFSET FOR GRAPHICAL / / / , \ o \ SF POLES I \\ \ -I / / PURPOSES. DRAINAGE DIVIDES v - / D �� `,`. `' �' ".\ v �� / / x. V A AROUND SEDIMENT / w/WIRE �\ ARE MEASURED AT THE LIMITS \ ♦ y * ; , . \ BASIN SUPPORT \) ( \ / w \ v NOTE: CONfRACTdI�TC� - vDIVER I \ OF DISTURBANCE OR-_ \ V A v � `��_, _ � ENSURE POSTIVE DRAINAGE \1 \\ �\\ Vl DIVERSION DIKE. v v v v s9oALONG DIV R I N DI E ; ""' " ":V A V A� A / / i - / ' : �s / \ V H \ \ - - / / i / / / - - / _ _ - i " , * , \ \ FOOT LONG AND / /� p /j ///// / / \\ Q �j \ = �i/// / - / / n/ `_ \ \ -- PLEOSRSEDIMENTIBS�EET8 // 1 ': ''.** \ \4FO \\ // //// \ I /( I \ \/ \ = / / / \ \ - s FOOT HIGH BAFFLES- / /i \ v N E T _- IN15_(I / 4 0 / :..// w� I VA I I I V 0 \NFQ - - ' v FOt�N LS- / ' A V A v� / - �� /%1II A VAS I I A \ v SDESIGN.DETAIII AO ii�l I AVA A� AVA O • - _ - -- - ) �� vv- '/ v / I �S�O� %% A �\\ I vvv sLOPPfS - -- _ - - '--- -- 1 - _ - u6' - i - _ , ,/ k_ uo 6 6 � Q JUH FREEMk�N A WIL) \\p�\\\\ VDOT CLASS Al STONE - - ----- -- - - `- - - L=�e'w�=a',wz=zs, Off". P ,, \ -- MONUMENT JOA \ \I \\1 \ - _---- ------ - ---_ - IS -%� \\ O -- -- ------ �\ � --- VOH'�` - r�-_ �' --' \ - �� FOUND f� \\� I - - - - - T. M.69-19A7 - P7UMEISLT _ ---- - s, ,--- -- --_ --- ATE _ f \\\-- - - \ _ GRAPHIC SCALE '-fOGf7� Q - - - - \ - - �UST,JOSEPH�OOTT 8c - - - Ffl�NIT R(� ��__ - _ - - - - /< - -_ - �' - -_-- -- \ _ _ - --____ '=-__=�47 �ERS �19f E 151 -✓, _ - CRTIEASiOPES _ -- - - - \-\ \ \ CASEYRLUSTVDH------ --_ z --\ \ �ARI S P R@A�\\ - --- , MONUMENT- \\ ao o <o ao eo azo /// // / _ -� - \ 2lACEiES - - --� �- ��W-`;- -- -- 8'WIDETOPOFDAM FOUND \- _ u',' p �� _ _ 20 / //-- -�----\�-�\ _-__- - --- - \ �� I ��^ -- -� ~� •�---- - ------ �.\ \. ( IN FEET ) \\\ \\ »� MONUMENT \ _ - \ \ - - - v -- -- -- -- -- ' �_ -- V� - - -_ \ /---�A �� -_ A 1 inch = 80 ft. v _ A \ . - ---- -- - - A v _ _ - H ----- - r � \ \\ � � FOUND \ (MO UNTO-== �-� `\ \ � - J F-I Lu � Q \) d / I z z g O o z co O Lu W Lu LL al� Ill z z O Q Yz O IIII O o LU 155 ILL I Lu w IV) JOB NO. 222207 SHEET NO. 6 EROSION CONTROL VIRGINIAEROS/ON&SEDIMENT CONTROL — — - \ — — — — — / HANDBOOKSPEC/FICA TION NUMBER P� / / , ' I \ — — — 1 \ \ \ \ \ \ I '•\ � I � /� � SAFETYFENCE 3.0a SA - - / // T.M.6 6L I I vAl \ \ CCSlRPEFS CRS �� CONSTRUCTIONENTRANCE .5L/2O / / 6 I LGIBSON -M.69-6C \ - r -r - - - __/- - , EVERETT E JRSTUART TAYOR;SMACK v6-5,21FIELDS CONSTRUCTION ROAD STABILIZA TION 3.03 D341$4 7D7 PLAT 7 ACRES 11( 1/1 I 1�I 1. 1 v p/ SILTFENCE 3.05 OSTORM DRAIN INLETPROTECTION 3.07 01 I vv ClP CULVERT INLET PROTECTION 3.08 _ / ' / / / / / / / / / / /// 1\ \ \ \ \ \ \ d p e r j ` ♦ / \ _ / ' / \ / / / , / /// / / I \ DD �� TEMPORARY DIVERSION DIKE 3.09 v - - _ - / / / V A A V A \ IS , v. V _ �� "' '/ / "' �.//� �' -•e- / / - - / / / /'. / / % / ' /l �� vv - - - -/ // T.M.69 19G v v v y i i� .� _' ORFST T.M.69-5 +-�--�� TEMPORARY RO WDIVERSION 3.11 A A / / —REVISED LOT / \ V A -_. - _ A O A �.v" V w ,� - J — o ems, it i�/— �\ \ O T --- / 7 PS \ \ \ // / _-�TOCKTON C EK LLCM/ \ \ \ \ \ / \ \ ; __ // _ \ /l �0 SOR�� S MCCLANRHA / / / /': \ \ - ---------_-/ / / \ \ \. — \\ "�. T T/ O r FIELDS \ / OP ST SEDIMENT TRAP 3.i3 \\ \ \ - -- - - - - - - - _ / // D\ PE�EE / \ \ \ �_ --� / // _ !/ I� �:6 3vACFEES v v \ v\ �� / � •s R F 04, C�61� -- T v �� _ �v v�� 2' - v v v SCOTT/R. C_t'LLINS% Lic. No. 035791.n 7/28/22 ��j SB SEDIMENT BASIN 3.14 - - - A / / ' / / A A v ♦ / 1 A - �� . _ - C� v� y \�� \ k " -'��,- _-- - 9� T�/ - _ / % I \ \ \ �- -_ / / / / V A ♦� J -(. v� v��- PEST // /� V A / / V� VA v♦ YS —�- _v� ��vvv v� v� r — / 1\ - O OP OUTLETPROTECTION 3.i8 \ \� - — _— — _ _ l / — \ v I / —\� �k '` . -. >a'° / - / - � S® \ � m _ r r v v/ . ♦ O v �� v vv �. v s IS / / A A \ v ♦ \ r ♦ I \ 1 A O r ,'s v �� "�� \� VA4V" _ w RR RIPRAP 3.19 - `\ - _ �_ _� \\ \ �/ / / �♦ , (\ ` ♦ •♦♦ \\ \ / � O �p �_-`- � �``� `_ IS_ �_ - Z (07 O Q CD 0 v \ \ j / I �/// / / // // / \ \ A \\\ \ \` ♦ ♦ ♦♦♦ \ \ ----- `♦-♦♦ l,`�I \\\ / `\\ Wr`-r�'vro \A\A'\ VV\A "\�\\�A\ \ \V�\\v�V\A \a�V�v \\A\AA\\ �.. '� -- -/��- m LuROCKCHECKDAM 310 u_ _ V En TS TS TEMPORARYSEEDING i \ ♦ \ IVIO FO PS PS PERMANENT SEEDING z \ // / / - \\ \ \ \ \\ _ \ \ . \ \ \ - - - -; - _ _ ``♦� 6 \ \�\+\)1A )�\\�'c `\\ \\ \ I - - - - -- _ _ _ - -.. FBI O m O \\ _ 922— — _ — — _ P5 —924— — /o � \ �e\ EROSION AND SEDIMENT CONTROL PLAN PHASE IIIA > MU MU MULCHING 3'35 \ �\ \ / / — \ \\ \ \ \ ` \ \ \ \ \ ♦\ \ / ------ --- -- ---- ---- - -s o---� / / 9 b ! SCALE: i" = 80' v=i vvwvv \\ \ \\ // / /j // __� �♦ \ \\ _- - -- g18 / / O \�\\� Ili q \. - \ \\ a 7P TREEPROTECTION 8 \ \ \ \ \♦ / �4 _ - F I I APPR�XIIYIAYE 33 / / / w ♦ \ ♦ / - PROPOSED LIMITS O Oi b L I VA z \ V AVA v DISTURBANCE-i6.z ACRES DC DC DUSTCONTROL 3.39 / / \ \ \ \ \ \ \ �♦ �\ / - o OCATION'STREAM \ V AVAV / - iS- _ -c� V r R�\�• A VAA vvv\ �� v A v v v v D-RAINAG SAREA TO 'o SOIL STABILIZATION BLANKET 3.36 ERHEAb -,SEDIMENT BASINi-i.8 ACRES P5 I.o V\ PIS \ A � v11\ t I III I l l v A V A \ 1 ( CONTRACTOR STAGING AREAv� vV va ♦ �V A\1 A g♦�♦ ♦v,vA v �V vl♦-�A♦v�v\ �\� \ /I` �p/ v�/�//// / --VD—H WITH FUELING TANK DUMPSTAND MONU -0 SF w/ POLE, 9 OUTAREA w/_yll \ 6"wGHWEI / -,SUPPORTES W DIVERSION AND DIVERSION DIKE \\ V\A\V\\ \ Y MALL SEDIMENT TRAPPING DEVICE \ \ FOR CONSTRUCTION ENTRANCE A\2.14Il C\ A\ I VV\Vf S V \ \ \ vv \ \\\ \ \\-- I IX! ,1 V A ' A \ 1 ,,I _ A � 1 A � A � �' �T � A A\ �A v i _ p ♦/ // / / / \ /. AV 1 I v lWro9-6M ED LOT /�/ /E MANMAN / RPS TRUST �t6456-44 Ipo 530-234 PLT \ \ �/ �\ \ \ / l l S / l l ♦ - _. Q m ., �p 6"HIGH EIR / // , / I / I I I I p� iz x7o'�If�. C / / ♦ S A � �. v �w IRE 8 . - / i i III I I I III III I / l \ �� v V e w/�'HIGHSIDes= // / \ �mVA �8-- SF / \\ v �SUPPORTs96 / / I I � II I III II III II °�//WAA' . I \ ♦v \♦ \\ m\ I V v �v\ � \ v sf� / /\/` e \ �\� \\\A \ \\ \ '<' aa\ �4.o4�D.A=v,-\ - / / '- - -<'` -I / I I I I i ,i I1,��i -r \li�� I /I I II�III III IIII II III 1I�IIIII 1II 1 I �IIIII III III IIII I�I I I /I / / / /// oo r/'• vA vA V Vv \\ 8\V \VNOTE: THIS CONSTRUCTION w/WIRE I/SUPOR\ENTRANCE SHALL BE INSTALLED \:o AA C\ y o�� \ sR OPERATED AND MAINTAINED BY / IP FOM THE CONTRACTOR. ALL (3 AV SH RACK o p �6. / O/ / S IF - AREA SHALL UTILIZE THI o5ACCONSTRUCTION ENTRANCE.o /SF I I, v I o /j////// / // �///// // //j// /�//// / // /// /////// / / /// /// �///�// //// /// �/ //// / �/vv/ / FV/'R / RL'/A/ f�NJ/ LLE��YI I/ /Q / / / l l I lI I I l �I /I / / G� ly I v _-- vv v \A - -- �♦-♦♦-- ♦ v ♦/� `� PS/ �z\/ �I�� i l 1 /I // 1- : -\ / ��A _\ \1\A V A\ I V \ }1 \Av V \A A \ A V1AA 'v .roe +v IPs7�v. ` \v \ \w_- -es-o�-- w/%WI�RE i1 I ��lI 111IllI11111�I �l1I l1VI AA\A\ \1�\ I I 6/ HIGHE-_SUPPORT HI( II T/M/6964 )46-a.33'HIGH SIDES/ w O"oLbT 1 K/D6O ♦/C B3 80-82T m /LLo 5& 6 PLaI 0' `d "`,LL rS'\�•/bu \�` '�P-0sE � / - - ISW�A i e a ---o --IP DAsslV\SU\POR\ DRAINAGEAREATO -----_ SEDIMENT BASIN i=i5.zo ACRES VDOT CLASS II STONEI\ OVERHEAD OJ r coNuRu087a UTILITY p e PPORT/ /SToLINE 930i`9izIP LINES /�PROPOSED LIMITS OF A/ v \ _\ fit- I 16.29 ACRE5; '�,��v �� t D STURBANCE= 9�% 0 v PROPOSED LIMITS OF v, =16.z9ACRES TH MATE LINEI T DISTURBANCE VDH v _ / MONUMENT / FOUND NOTE: SILT FENCE SAFETY REVISED LOT �� \ -- 1. \ P5 I A I /SOCKTpN CREEK �C _- v v _ -FENCE AND TREE PROTECTION. v - -- / /- V 1 w� \\\ \ O_ I \ \ 4.,56 ACRES _SHALL BE INSTALLED AT LIMITS \ \ / \ OF DISTURBANCE.THSEARE / ONUMENT / A6.614 _ / \ -- OFFSET FOR GRAPHICAL - _ _ - / / / / I \ o \ \ 5F POLE sol I \\ \\ \ I / // �F j�fD ' / PROPOSED FENCE • I \ V A j Q _ v _ AROUND SEDIMENT w WIRE PURPOSES. DRAINAGE DIVIDES \ \ � � �" - �// i \ \ \ \ °' l / l \� \ l ARE MEASURED AT THE LIMITS \ \ - / / / %/ / i / ' / ' 1- ,\ \ \ \ �r\BASIN / SUPPORT �� OF DISTURBANCE OR \ \ - / / i / / \ \ o o / // y ;� / :: \ \ DIVERSIONV DIKE. \ \ --89°- / ,-<* � , • "� . . ��`�\ \ � \ _ � / / \ / f� _-/ / / - ,,, \� \\ \\ _-_� � \ s44FOOTLONGAND � 1\ �// \�' / / / // / - / l / / - / .\ FOOT HIGH BAFFLES- / / / / /�/ \ / \ v v NN�1H EIyT - A / / / - v v - PLEASE SEE DETAIL SHEET 8 / I 4 / I V A � I I A VA NFQ ��VV11 y _ / / / _ ^/ - FOR SEDIMENT BASIN 1'S- / 4 o A / /' v FO ND --_- �;;/ j/ /i/ / - �' vv v-v _DETAILS- - / / J < \ S \ \ \ / DESIGN ;LIfl 1 "\. \ \ \\ \��Q `v - /% \ / VA v / / ��LAL SLOPES _ — ) \ - \ ,---- -- - _'-� / � - / /> // ��5 \ — u6' I — — — ., SIB _ II - - ,w � ��,'v`III'IIvv�vv`vv�` vvv vvv, I / -- - F \ \ I 1 FRE \ VDOTCLASSAISTONE. _ - --": �`�Y — _ M�f� T l)K\ P \ / \�y \ - MONUMENT JOq \\\ I — — -- / — -- — — — — — — — — _ -- - -L=a6% Wm-6% Wz=a8' O \ — ------ -- - ---- --- - __ FOUND \ \\\ - - - - _ \ \ � VDH -� _ - � r \- � \ - � � 47\T2 k� \ I I ------ - \_� - - - - - T.M.69-19A7 _ \ _ i - ; � PTUJVtE1S1T — — �\ \ _ - - - - - - - - - --—MLt11tfRAEP}T- ST - _ -------------- _ --_ — = %� ;=—= — — — \ GRAPHIC SCALE —_ C�A_SS€Y�RJ_UST _ _ _ = Ffl�NIT = ` �_ � RsR 1 �� - - \ ' _ _ - \ `\ \ - , �RLT E 1 > CR#IEAJ SiOPE� / , � \ _ _ - >� 80 0 40 80 160 320 21 ACRES LES \ \ \_\TH `------- ---�D'B4 R 8'WIDETOPOFDAM v A IV�FOUND -- _ V A \\ IN FEET � � M VDH _ � ONUMENY --- \ V[5H". _ \ \---_ \ \ -- \ \\ \ 1 inch = 80 ft. H - -- \ FOUND \ (MQ 'UMNF - _ !\ \ \, Lu a 0 ul z J J 0 u N N w N 0 ti M M O') N 4 C) N O Ld N J J U) Lu 2 U Y H U) w Lu - Q 0 O N U) � Z O V_/ p F- HI z 0 m U) z Lu �z 2: Lu 0 F Lu U o z z Q U O 0 Q Lu ru n w JOB NO. 222207 SHEET NO. 7 X X X X/ X X XIVI X X X X X \ Sediment Basin Design #1 X \ \ MIN. WI SPILLWAY \ \ \ / I'.I E T X X CREST OF EMERGENCY X v / �/ , '>. \X X , A drainage area (acres) 15.6 2'WITNOVT SPILLWAY X ♦ \�fi / 1 \ V A \ \ \ / / X -'X X \ PROPOSED FENCE \\ basin volumes: (using 2' contour intervals) 1 BM \ / / ` /X AROUND SEDIMENT BASIN" A elevation ft contour area s volume(cy) DESIGN ( 5-YR, 6NRMWELLEV e J- v X ♦1 x ' AV A AV A \ V A V C Y 144 FOOT LONG AND i X A \ \ \ / �� ♦ X FOOT HIGH BAFFLES X X X X X X X \\ \ 862.00 8i3L0 519 ' ° Gs• - - -- -- - \\\ X X X / X X / I J \ \V A SC R. CaLLINS'Z / X 4 X X \ X X ♦ �/ \\ X X X X X X \ X \ \, f 864.00 ]0599.0 1211 DR S ORAGE DEWATEMNG X • ��■ „ \ \ \ \ \ \ U Lic. N2 225 , n \ 72822 `�� WET • STORAGE::;..::r;: .:: :: ... RISER CREST X / X / X X /� , A DEVICE i I / I • ♦♦♦ X X x r X X X 866.00 13348.0 2096 X �i' i \ � \ sto 868.00 16330.0 3193 • f 1 6' CLASS I RIPRAP X X / \ X X \ 0.00 0.0 0 C T A X X / Xi / • I \ \ '>< ('WET * STOWE POINT J I 1 __ -- EMERGENCY III I ' , 866 \ \ � f (� WET • SIORACE REDUCED X / / SPILLWAY W/ • / 86 \ X \ X \ \ 0.00 0.0 0 TO 3N C.Y./ ACRq X - - FILTER FABRIC O 4 \ T� �C /X yDH • / / / ` \ \ \ \ UNDERLAYMENT X X \ (DEPTH=z') I X • / 862 \ \ wet storage: X / I 4:1 SIDE SLOPES & / c / p X X \ wet storage required (cy) (67*DA) 1059 design high water 866.96 X / X O I CREST ELEV.= 867.04 ♦ / 86o X \ X V dewatering orifice elevation (ft) 863.56 top of dam (ft) 868.00 X ti wet storage provided at this elevation (cy) 1059 top width of dam (ft) 8.0 X X 0 available volume before cleanou (cy) (34*DA) 537 bottom of basin (ft) 860.0 AVIV\ X X cleanout elevation (ft) 862.03 approx. bottom dimensions: 116'x55" \ / �� v X distance from cleanout to orifice (ft) (> V) 1.53 upstream face slope: 3:1 / / X • / / X downstream face slope: 3:1 y ' X 06 < \ \ \ z A X dry storage: v v o dry storage required (cy) (67*DA) 1059 baffles: YES Y_ / d� w O principle spillway crest (ft) 866.04 length of low, L (0) 114 z J dry storage provided at this elevation (cy) 1059 effective width, We (ft) 117 * `X X\ Z O w a X X r X \ x\ diameter of dewatering orifice (in) 8.0 L / We (baffles required if < 2) 1.0 X 9� \ \ \ X a m m / X / 7 / X \ X V diameter of flexible tubing (in) (orifice+2") 10.0 X XI / Q collars: YES 1 I A V i �� H LET � o SBi/ unoff: depth of water at spillway crest (ft) 6.04 \ : \ X o z -A X \ C (use 0.45 for bare earth) 0.45 slope of upstream face (Z:1) 3 X I X\ X �' �..� p W) o o / X \ X tc (min) 13.2 slope of barrel (Sb) 1.33°/G X X X \X\ \ OP O \ 7LET 'n l : I = X Ln 2yr 3.6 Q 2yr 25.3 length of barrel in saturated zone (Ls) 44.66 X \ X / w m I I X X - ; X 25yr 5.3 Q 25yr 41.1 number collars required 2 \ X X X\ X \ +i ^ A n W Ln \ // X I dimension of permanent collars 4.2x4.2' ` Q o X - 86p 1 r� 8 X I X principle spillway: \ X X X\\ \X \ x ♦♦ \� z j` He■ alleas�� X available head (11 1.00 emergency spillway: YES \ X \ X \ ♦j \ N VDOT CLASS Al STONElsols 68 X X \ \ X ♦ �\f X diameter riser m 36 required capacity Q25-Q cfs 4.1 X I ♦ \ � r � � � XI (�) q P Y ( p) ( ) OD X I L I X 1 �C A \ T L= 2 W1=6 W2=1 spillway capacity, Qp (cfs) 37.0 bottom width (ft) 6 1> \ \ X ♦ f I 3 566 X 8'wlDEroP IX diameter trash rack (in) 54 slope of exit channel(%) 10% ••�1� \ \ X \ X ♦♦ EDIME tTRAP #1 DETAIL / li X ♦♦, / • X X 6 X OF DAM - 868.00n X barrel length ft 74.94 minimun length of exit channel ft 32 1 \ ♦♦♦ " ' s O 9 O ♦ \ SCALE: 1= 20 X ♦ 4 X� head on barrel through embankment (ft) 8.04 crest of spillway (ft) 867.04 ** �\ \ ♦♦ X , - H��H�HH�7 X X 862 X X X I diameter of barrel (in) 24 �1 \ \ \ -/ 860X X \ X X X X X X X X X X X , X\ X NOTE: PLEASE SEE SHEET 11 FOR OUTLET PROTECTION xX_x X X X X X X X X X X� $�8° v))�,Fa�x DIMENSION CHART FOR SEDIMENT BASIN #1(DIMENSIONS DIAMETER H ERISERw/54"DIAMETER TRASH RACK. ARE THE SAME AS DETENTION BASIN OUTLET PROTECTION) X X RISER CREST=866.04. RISER TO INCLUDE A 8" DEWATERING \ ORIFICE (INV ELEV.=863.56). RIDER TO BE SETIN A MINIMUM 4 X X OF 30" OF COMPACTED SOIL OR AGGREGATE BASE OVER A 8'X8'X3/4" THICK GALVANIZED STEEL BASE CK PERMANENT LF X X X x X X REINFORCED CONCRETE FOUNDATION OTEE IFS'TEELOBASE IS USED SPECIAL 7494 -INV IN=86o; INV OUT=859 95 \ \ RCP BARREL ��' X X ATTENTION SHALL BE GIVEN SO THAT %COMPACTION IS ACHIEVED OVER \ \ 1.33%SLOPE THE PLATE. AT TIME OF CONVERSION TO DETENTION BASIN RISER TO BE / CONVERTED TO PERMANENT RISER STRUCTURE i- GRAPHIC SCALE SEDIMENT BASIN #1 DETAIL zo o 10 zo ao 1 n.. NOTE: SEDIMENT BASIN WILL BE CONVERTED TO DETENTION BASIN IN PHASE IIIA OP v A A V A I I I veer ` I I v v ♦ice\ �� A v `� v v v ♦':� `VDOT CLASS Al STONE \ _ Q I i Sediment Trap design #2 II\ \\ II T 2 \ ♦♦♦♦ L - J / W 1= 3 - /7 5 / drainage area (acres) (< 3 ac) 2.92 ♦ trap volumes: \\ \I \\ ♦� t elevation ftarea (so volume(cf) wlume c \ 894 756 0 0.0 V A `♦♦ �� }/� \ 896 1716 2,407 89.2 X \ \ ♦1 \ I } 898 2964 7,031 260.4 X \ X ` X X ♦♦ \ } \ ) 900 4500 14,442 534.9 \\ \ \\ X X X \ \X \ X ♦♦ \ }/} 0 0 0 0.0 I\ } X X \ N ` wet storage: \ C \\ X X \ \ +S 6 v f W / wet storage required (cy) (67*DA) 195.6 \ \ X O Y bottom of stone weir (ft) 897.24 X \ X \ \ x \ �♦ OP ` wet storage provided at this elevation (cy) 195.6 \ \ \ \ S U P slope of wet storage sides 3:1 I� A \ dry storage: I X X D III �" dry storage required (cy) (67*DA) 195.6 I �� A \ \ \ crest of stone weir 899.0 �� A \ f �� A dry storage provided at this elevation (cy) 195.6 slope of dry storage sides 3:1 X IO V' \ Qt v v v v ORIGINAL CREST OF STONE WEIR GROUND \ uw. DRY STORAGE WETSTORAGE (IXCAVATm) .SEE PLATE 3,13-1 weir length (ft) (6xDA) bottom of trap elevation (ft) bottom trap dimensions: top of dam elevation (ft) top width of dam (ft) top trap dimensions A \ \ \ �\ Sediment Trap design #3 \ / / X XI I X I \ - ` ♦♦ \\ \ \ \\ \ drainage area (acres) (< 3 ac) 1.44 X I 0` \ V A ♦♦♦ A trap volumes: C 1 i X <\ \ \ ♦♦ \ \ % \ elevation (ft) area (so volume(cf) volume(cy) X 7 ♦� V A\ \ 890 1408 0 0.0 X I '�� \\ \ \ \ \ \ 892 2160 3,541 131.2 �� \ \ \ \ \ 894 3040 8,716 322.8 / X O I f \ \ \ \ 0 0 0 0.0 wet storage: wet storage required (cy) (67*DA) 96.5 \ \ \ bottom of stone weir (ft) 891.68 wet storage provided at this elevation (cy) 96.5 X \ \ slope of wet storage sides 2:1 dry storage: \ dry storage required (cy) (67*DA) 96.5 crest of stone weir 893.0 ••��I��..A,r,,,,,,,gill logo Bill mill ,,,oijl(/■„�� dry storage provided at this elevation (cy) 89.4 }SEDIMENTTRAP#2 DETAIL slope of dry storage sides 2:1 SCALE: 1" = 20' ( IN FEET ) 1 inch = 20 11. Sediment Trap design #1 drainage area (acres) (< 3 ac) 2.82 trap volumes: elevation (ft) area (so volume(cf) volume(cy) 896 1339 0 0.0 898 1954 3,274 121.2 900 2695 7,903 292.7 902 3553 14,131 523.4 0 0 0 0.0 wet storage: wet storage required (cy) (67*DA) 188.9 bottom of stone weir (ft) 898.79 wet storage provided at this elevation (cy) 188.9 slope of wet storage sides 2:1 dry storage: dry storage required (cy) (67*DA) 188.9 crest of stone weir 901.0 dry storage provided at this elevation (cy) 188.9 slope of dry storage sides 2:1 CREST OF STONE WEIR �G:r�.•touace� WET STORAGE (EICAVATED) N CD LET 0 N Go 1`1 0 L9 _rn ti M M U) ® 0') Z " O NT z g " WC) � � U J _ W" Q � U v ♦� > 0 ` ♦� \ V A `/ W > Q \ \ \ X Z J _J J >F__l LU ST3 X V) L9 F__l o ----- -----" ti OJ > Z J *00 Z u1 X TQ C d 7w X W r O i lipi v X v Y oC .�.X ,x ,+ O ---- - - W z W 'WIDE x` o \ X X n LU U TOP OF X x o - Ul W �_ v --- F- U z DAM 9 X X - W z w Z 0 U) Y W v v vv v .�vv vv X H U 06N,..\\\\, ,g W z F \ GROUND \ - ell LL A v v DRY STORAGE - g VAIA,ffiF \ ` A (V . V ♦ U) F-I mow/WIRE o WET STORAGE \\ �m8 ` A A �I� A ♦♦ \ " II (IXCAVATED) A V ` A V �� ♦ \ W `BIER CLOTH G No \ ♦ - w�,S U P P O RT R3--SEE ATE 3.1, COARSE AGGREGATE_ CIASS I RPRAP \••. \ 86 \ \ \ ♦♦ \ �i wtu- V i � \ \\ \\ \+� V ♦ 0O ♦ \ \ IY 2 weir length (ft) (6xDA) 8.6 1 r �. \\ \ v v ♦♦ V A a 7os No ) bottom of trap elevation (ft) 890 I I \ \ >�� \ ♦ \ \ 222207 bottom trap dimensions: 22')04' EDIMENTTRAP #3 DETAIL \ \ I P) ♦ \ _ SCALE top of dam elevation (ft) 894 \ top width of dam (ft) 6' \ SCALE: 1" = 20' \ \ \ - - ♦♦♦ \ \ - 1 rr=20r top trap dimensions 38'X80' \ \ ♦ \ \ \ , %I' ♦ ' V \ SHEET NO. 8 �•� VA4lNll£• FLIER CLOTH DMGNAL GROUND ELw. COARSE AGGREGATE CLASS I RPRAP 17.5 894 14'X54' 900 6' 50'X90' F CREST OF STONE WEIR PRE -REDEVELOPMENT STORMWATER MANAGEMENT PLAN, SCALE 1°=80' I I / LO I' 6 o Pre -Development Impervious Area Summary $TI�ART TAYhOR,SAqK Subarea A, Water 607 \ Y 1 4 7P T D.6.�4 5 7 i i \ Building/Structure 8,600 sf Sidewalks/Concrete 0 sf / \\� Roads/Driveways 700 sf / \ / \ 9,300 sf 1\ Pre -Development Impervious Area Summary VRRM Limits delineated by ESC LOD, Water Quality _ Building/Structure 7,650 sf Sidewalks Concrete 0 sf PLEASE SEE SHEETS 5-7 FOR \� / ESC BOUNDARY USED FOR7,650 sf — \ Roads/Driveways 0 sf VRRM QUALITY CALCULATIONS \ WATERSHED SUMMARY FOR CHANNEL AND FLOOD PROTECTION \ Area, 1-year Flow, 2-year Flow, 10-year Flow, 100-year Flow, CN ac. cfs cfs cfs cfs DA A (Pre -Re Dev) 61 15.73 3.94 8.94 27.72 73.56 DA A (Post-ReDev) 67 15.73 1.78 8.47 24.83 85.72 STORMWATER MANAGEMENT NARRATIVE: TH \ V A OVERVIEW ��✓ I I� \�\\\\ \ T.M.69-6C — \ A \ \ \ THIS PROJECT PROVIDES STORMWATER MANAGEMENT (SWM) PRACTICES TO MITIGATE THE IMPACTS FROM THE PROPOSED O GIBSON, EVERETT E JR \ \ \\ \ \ IMPROVEMENTS. CHANNEL AND FLOOD PROTECTION COMPLIANCE ARE MET IN ACCORDANCE WITH MINIMUIM 9 VAC \ \ \ 5-870-66 REQUIREMENTS AND WATER QUALITY REQUIREMENTS HAVE BEEN SATISFIED. PLEASE SEE THE ATTACHED FIELDS 2 \ \ �SCOT T R. LINSZ 1.07 ACRES , �� \ \ � STORMWATER MANAGEMENT CALCULATIONS PACKET FOR ADDITIONAL DETAILS PERTAINING TO THIS PLAN'S COMPLIANCE. — — — — -_ — — — v VA V AA v L) Lic. No. 035791,n WATER QUALITY SUMMARY THE BOUNDARY FOR THE ESC LIMITS OF DISTURBANCE WAS USED AS THE BOUNDARY FOR THE VRRM WATER QUALITY "d7/28/22 CALCULATIONS. PLEASE SEE SHEETS 5-7 FOR THIS BOUNDARY. THE STORMWATER QUALITY REQUIREMENTS FOR THIS DEVELOPMENT ARE MET THROUGH THE BEST MANAGEMENT PRACTICE OF PURCHASING NUTRIENT CREDITS. A MINIMUM 0��`r'SIONAL ESQ PHOSPHOROUS REMOVAL RATE OF 5.63 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. WO \\ I �. r +'•. \ \ WATER QUANTITY SUMMARY \ \ \\\\� \ \ \ �\ �` �� r "" / \ ` \� " '•, �. (3 / --- _ \ THE STORMWATER MANAGEMENT PLAN CONTAINS ONE PRIMARY DRAINAGE AREA, SUBAREA A. THIS DRAINAGE AREA \ \ \ �\ �\ \ \ °\\\, ` / �� \ \ \ /J S --_---\ CAPTURES THE VAST MAJORITY OF THIS PLAN'S PROPOSED IMPERVIOUS AREAS. T.M.69-19G� ��\ \ \ \�\ \ = \�� \� QF TR T.M.69-516 \ VISED LOT \ �\ -� - \\ ��\ _ \ \� \o��C4/ T )S MCCLANAHAi�i, 6EN�\ IN THE EXISTING CONDITION, THE MAJORITY OF THE DISTURBED AREA DRAINS TO ANON -PERENNIAL STREAM, WHICH HAS —R \ \\ �\ \� J�%\� �1p --�ST_QCKTON CREEK LLC/ \ \ \ \ / \\ \ \� \ - \ T(f I T/� O r FIELDS NO STREAM BUFFER, AND FLOWS SOUTH TOWARDS A CULVERT THAT RUNS UNDER CRITZER SHOP ROAD (ROUTE 151). AS 6 E$_QNp/ F FL 2.80 A S-__ THE LIMITS OF THIS PROJECT ARE MUCH SMALLER THAN THE OVERALL DRAINAGE AREA OF THIS NON -PERENNIAL STREAM, \ •B.`04�PC7,,614� e ' \ �� 700 YEAR FEMA\,�� -/ e \ \�� , "'� \ �F "`YI`SFM THE BOUNDARY OF SUBAREA A IN THE EXISTING CONDITION IS DELINEATED BY THE FUTURE AREA THAT WILL BE CAPTURED �� \ \ �� F� AND ROUTED THROUGH THE PROPOSED DETENTION BASIN. MOST OF THE LAND COVER IN THE EXISTING CONDITION IS \� \\ , T �'\ \ FLOODPLAI\\ \ \ �� /�. L�0 E \ �\�\•"� ,-T \ qQ %' CLEARED FARMLAND, WITH A FEW EXISTING STRUCTURES AND WOODED AREAS SURROUNDING THE NON -PERENNIAL \� /� STREAM AND BETWEEN EXISTING CLEARED PLOTS OF FARMLAND. ,, \\\ ' LLV- / v-� \\ \� \ \\ .. \�"_� \ \ -..✓ TWJ DDn Dn Cl=l !lC\/CI AIDMI=NlT WAC nkil= r nAlrl=NITDATI= I ni 11 CAI I T C l DATl.IArl= ADCA TG l 1=1 TNI=ATI= l RV IA.IWA/ TC Z r , \ \ DEVELOPMENT'S RUNOFF TO MEET MINIMUM CHANNEL AND FLOOD PROTECTION REQUIREMENTS SET FORTH IN 9 VAC VJ W ° \•� ROUTED OUTFLOWS ARE 25-870-66. THE IOOMP COMN BASIN PLIANT WITH MINIMUM UTFALLS BACK OOUNTY &STATHE TE REQUIREMENTSENNIAL STREAM. THE RESULTANT DETENTION BASIN O < Q 4484� A �� \ �" \\ \ IN SUMMARY, CHANNEL PROTECTION FOR SUBAREA A IS MET THROUGH 9VAC25-870-66 SECTION 6.3.a (ENERGY BALANCE) � Q m \ / ♦ "� \ \ '•. A� AND FLOOD PROTECTION IS MET THROUGH 9VAC25-870-66 SECTION C.2.b. (10yr. POST FLOW < 10 yr. PRE FLOW). U Q —_ ♦ - \ ,\ \\ \ COMPLIANCE WITH THESE SECTIONS IS ACHIEVED PRIMARILY THROUGH THE PROPOSED DETENTION BASIN. PLEASE SEE THE H w O 924_ ATTACHED CALCULATIONS PACKET AND THIS SHEET FOR ADDITIONAL DETAILS. O Z LL Ln _92°-- -92a--r / A '\\\\�1\ 1� V\ \ \ \� L � m \ J �/ m � \\ \ \ I l \ \ 9z°� A 'P OXIMATE �\ / \ \ \� \\ \\ \\\ \ li a o \ \ \\ d TIO STREA J �\ \ \\\ \ \\ \\ z N INN, ClVE I-� \ V \\ ��V� \ \\ V v�� // \\\ °° MON MEN\ \� v 9 \\ 902 H V / \ AAE$ R \ _930- �ooVA\ V / I KER \ \� \� CDw � 0 0 0 )� _ v \ ` -- // / �o \. l I II II \ / I / D LOT; 71 \ MAN TRUSt � // — � \ \ � ° �A _�\ \ � , VA\ \ yv L9 3- \v \\ \ —1- / i- i-othr/ / � ♦ / �Oor / / OLF w1al_Ey/I' %46OF C�NcFL wldE V:30' °B.4456 353234 PLAT (y) �/\//�/ \/ / // \�/// //� �\Y/ � \��V \ _I /A / _� 'j / / / \ / \ \% I \ \ \ \ ��• \I ( \ \ V \ AV \ \ \\ \\A \\\�A V\\\ \\�V\\\ A�V �\\ �\\�\\\\� \ \\ �\�\ \��\��o\�\VVA �\\ A \\�VA � �1�*VIi�ly\I � A \��IA�R\\ v`\! ^A A \ \\\\ \v \ V vA\ \_�f —_ / 89\\i � �\i I� �\I I II I GE1 S�yL ♦ A \\ 894� \ A\ CCQV \ # STREAM BUFFER °� ioo FOOT WPO SUBAREA A ° \�1ac. O CN361-V W Tc=O hrs. dz N6I �\1 \ \ _�__♦��I♦s 1��' _� / r% A�A V �� I1\ �\�\�A �\V \\ \\\\\AV \V1\�I\\\\ \\\\��1 \\VAv\�_ A—/ �/f/ \IIV ..M.-� / / / AA \-- /0 o �°�r�\v v\ i z W � Ld '/OTJ�FCADL/ 911 aaa J L�YA0-82,69°�� 5,& 6/PLAT 940 y 0-6 QQ Q 940—� l l I — — ; \� VA\\�\ \A \\\ A\\ \ \. �� as°—�I— \ �� — / IS l L � W Q 920— —so 1 \ \ \ \\ \ \ \ III 7 ♦ 1 PLE J '7 1 1 �w OVERHEAD' o I/Z H Q -932 — — — —_ \/PSg�;I� ♦ I \ \ \\ I I . \ \ \ / / \ ( UTILITY 01 /r z Q ?� -930- / /\/\ bgfv F� 1 "\ \\ \ \\ \ 1 \\ — � ( 1 \ \ LINES / ° - SU81ECL- / �RePEaTx / 1 ♦ V v \ 0 . - __- �/ 920 w L W \\ / LU VD/H \ y / ///� VA v _ / 111 I ♦ l 1 ♦A / / / fA U FO ND 141415 _� 1) 111 II �� \ I ♦ �� Ul U �NUENT _ �� / / / V A V v / 1 11 �—� �� I \ �� / \ W O w \ � h$ED T / �� Z Sf LQ \ 1 1 / CKTOP� REE L�6 v / / / A v v / / ) U EAST I 4.56 A POLE F U \ LU ✓ i 890 \ ---\\ DH / 1 MONCFME T CL \N� �— CP _ — — — -- _ IF \ �/ / 6 \ \ // \\J 1 i. A�r� \ - \%\ V FREEf1(lT \ / — MOUNDENT JpA 4 1 - T_M.69 9At\ — --M MENT S / / o '� \\=cO5EPH3COTT& __ -- FflD_\��ZERSR U F�\51 — \ \ILeP=� — — vDH GRAPHIC SCALE JOB No. — R11� \\_I � _ — __i MON MENT ZZZZ07 —21 ACRES-\\ �_ _� \ D.B - \\ �� _FODUND - 80 ,�T \\\ \\_ �� -� -. SCALE 0 VDH ( IN FEET) SHEET NO. fih 80 ft ONUMENT inch 9 POST- REDEVELPMENT STORMWATER MANAGE MENT PLAN, SCALE \ A \V� /V - 1 TH 0�� \ T.M.69 6C \ Post -Development Impervious Area Summary \ GIBBON, EVERETT E 1R \ \ / \ \ �� ri / ST�ARTTAYLORSIVIACK \ VA V / \ FIELDS \ A V \ Subarea A, Water Quantity j D.B.5246-521' V VA \ v / A \ �SCOTT R. LINSZ Building 24,720 sf — — — 1.07 ACRES _ _ — v V A \ U Lic No 035 1,n D.6.3415�704,707 PLAT I I / � - - \ \ � _ � 1 Parking Areas/Roads 90,150 sf — — -� \� \ — _ — K / \ Sidewalks & Concrete 0 sf / / �// — _ _\ = _ i —��K \ \ \ \ \ \ \ o� 7/28/22 f i - ---- --__� \K \ \ \ \ o� z 114,870 sf ° SSI ER�� \ V A ONAL w OK Post -Development Impervious Area Summary / \ \ \A \ \ \\ \ \ \ zwnVRRM Limits delineated b ESC LOD, Water Quality \ K K K K K Building 31,200 sf / \ �_ PLEASE SEE SHEETS 5 7 FOR \ \ ems` K \ �\ (3�. Sidewalks&Concrete Osf J \ K K K / K K K K �� p j` A \ ESC BOUNDARY USED FOR / / T.M.69-19G \ \ \ \ \ _ �j\ K \\ `� . RF T.M.69-516 \ \ \ \ Parking Areas/Road 93,085 sf VRRM QUALITY CALCULATIONS / ----R VISED LOTS \ \ \ s�K K K �/ yK� 4 \0( jC RT1> MCCLANAHAN DENIS \\ \ \ o 124,285 sf _ / T CON C EK LLC TOS� FIELDS \ \ V V \ \ \ ��EE K 63-ACRES \ \ �\A� K � _ �K � —�A� v� �� . K� � QiVA7 F Fq 2.80 ACRES B.�04, PG.614 A \ ioo YEAR FEMA A V� K / �� \ K K �K K\�K� Kv K v 7fF S A \ ♦ �\ FLOODPLAIN. pMFNp / �\ \ CR�AL SLOP \ ° ,° KK 0 V 0 o. / \ _ Zap — \ K J / �\ \\\\ / / / \ ♦♦♦ 1 \ �•�� ` LOT 1 \\\1 \ \ \\\ \\ \\\ \A \�\ / // //// \ / //// G /// /l / ////// / // /// //// /// _/ /—�'//� �\" \� \/\\��/\\\—\\ \\ \ ��\ \A \ V ♦�\ �°/♦�� \ �/AA /��♦� A \�\9\��/��\\` /o A —\ g9� �— •_g�e-e\—/�\j��/��KI �♦/ K /��L\�IN�\�, K\ LLK KA�K\II \�K\�\KOK KK �K K�KK\ / K�� \ ' \ \ \ L \ I\1V \AI I \� a_ w on 05.0\5.ACRES \\1=fLu ,F 9 4\'Ogz6 6� LOT 12 zz2.41 ACRES 920 w LOT9 co gZ �i\ 9s8y Ln 2.98 ACRES n\ XIMATt zATIO TREF ♦ o ♦ �—OVER .C°ooio ♦o g 2"CRE5\ 12 3o2° UT °o \ \ I \ A/% sA /\\ V\V \\ \\ \\�(� A ��-Vv�\ A`s� \♦� w� / 9°♦ `VDH \< o 1896 MONNMENf\\ LOT 14 Eg1 o9s 3.95 ACRES POLE c '930- / ea �O` \ \ VA V� \ A fl°O �VA \A� \ v o0 06 A Tc=o aohrs. ♦ \ / ��ATETM50{i \ H o w \`\V 46OFOLEw/AELEV.=i ♦ 41#`/\V/�// KK� KERRYVD, ` Q nl nl E_ 583'OFCONC. FLOW W/AELEV: 8' ,♦ /\ K \ \2.148 ACRES- / y / V \ V A �� 6� CHANNEL FLOW IN PIPES Qa ft/s ♦ � � / � � / 0/ K \ \ o \ \ // �� l •g �� k� \V '��. �� V A� `S'/��C` \ VA\ �A�. A�R'ES%�� / �04 / �\c" T.M.69-6M \ �4 / �'►� Sq�9� � REVISED LOT 7 2 i , � � , ♦� 7 v �� - -cp FRMAN T�tUST `� s� ° — s S�IICC �v 9 F B \ •90 i b,B.4733-2 p j �_ A V 9 —9 � D L9 5/47/33-20 & 21 PLAT a�o,� _ i}.4456 444 ��Q _ / K i' t'S.ki. AT�C///'/9� - °� �� /�/ VA�� 90 8g8 \ oo/ �� / KK KK K �� \ A �� M o 353 234 PLAT / 940 � A CQ / / ♦ ° / s\ �° SUBAREA A �o K O7 0 0 z� 3 /�� 8��°� �qO 6 15.73 ac. I / KK K �V�\ V V A N / i / ♦%942 94 \ 9�� \/� / flo ��\\ VAA CN=67 \ \ / KC�� a \ 0 89 / I / 944 — 944 ti I �\ s ♦ L3_ hrs. A V / LOT 15 / °� K K K V 9p� %% .Q / \-�� \ _\ �A�A�♦♦ ♦\♦ � � 9\♦ //��oI/ \ A m\ \ a��9\ A-A�e ��\. 0doA�,0�90°6�,� A \ \\\�\�\9�0NV0��_0\ �89°o 86O9_9�z0\��-0 8 8\w�mS��94 A�� o/ 90 8 \�88V ��,o��A��\ �, K K KKK K K \V\\ TA .M\ : \I - 5 1 CNNJh 2.40ACRES \GRAVES 26.988 AC�S 46 s9/'�90 :ER o Oo°m 04 L04 23 oK 2.02 ACRE01 \ \c°LOY16 qQ o.25A' W ,2 T.M�696G oL_ (zHzZCD k �° J QLOT —&8s IFRANK/DONLEY°6 POSCARLA DONLEY sysE 80 °i Q onD.B.3, 0:) & 86/FLT 24 � O I5 / K.. K / - 94I99008 \\ \V I(o K K K LU / sso zo POLE Q_ > 6 OVERHEAD\V — 9sUTILITY o LOT 3LOT17 LINES 0 -90 yVF2.07 ACRES— 6.19 ACRES Q C) p[ -RROPERTY, I—Sao— 20 / / / /-1 5� 1 A \ A N / / w 9_y_-� r �o 2b�A`vv- � v v A /i �/ E 884 r z 900 �/ �� co 'VDH \ / /Ht/E>PULE Ul Q z o O zFOUNd wMONUVENT \ /II 11n�I z J VFS-,00/LLUz�\` OSTOCKTON CREEK LLC a \ MONUMENT 4.56ACRE 10 FOUND Lij 0D.6.504, PG.6 4vLOT18 --LOT 36' 205-ACRES F- U Lu J z 2 49 ACRESi \ — — i //� \\ �° '/ %' / I / \�\ \ \� \ �\ /6�� i \ J O � s° - _ � �� % LOT 9'- ♦ \ � � `� � /� � � � � g VG VDH \ / / / -- — c = \\ \ _ �\ �� // l i f f 3. 3 ACRES \ \ \ \ \ \ , ��a"p�L� \ \ U) O MONUMENT \\ i/ /F Q FOUND / \ O \ S �� % \ _ /i / \ \ \ � 868 — O � � 864.866 �� V�\ \ V -880 CRITICAL SLOPES 6z �� / 86o °m A V 0�� V°' V O \ CP / TM 69 50 --— — — F // / a 86z 0 60y w �� ( i �� _ - FREE s668w`brb� 86 ---, � MAN ARTHUR H OR c) �� — MONUMENT JOANN F ' -- / rg6 858�° I --- FOUND 0 _ 1 x i 4T 729 ACRES � /iVf31i — — — VDH \ — "TS - 860_ -- C / / ° MONUMENT- J T.M.6919A7 1VlONUMENT _ST _ _ -- JusT,1o5EPH S�oTT & _ FOUND -_ `� (I RS S p� — _ — _ i MONUMENT JDUMENT GRAPHIC SCALE cos N07 FOUND \ CASEY fiJUST_ — \ CRI T�-}Jr CRITICAL SLOPES __ 10 `f' 21 ACRES D.B� 3�T1.1� \ ---- -- -- -- FOUND so o ao so so 320 2222 / - — / _ _ / — \ - - -- _ — _ _ — �HWY.� _ 9� 211 \ \ _ _ SCALE 37 — — i / / THRU \ VDH — 1 "-$0' _ \ \ \ -- ( IN FEET) a / — \ \� — — _ _ \ --- j \ \ \ \ \ \ \ \ \ \ �I FDU MENT VDH SHEET No. / / i / / / - — ON ND' MONUMENT 1 inch = 80 ft. 10 DETENTION BASIN DETAIL, SCALE 1"=20' / / I i JI / / '• I / � l I I PROPOSED CLASS AI, EC-1 RIPRAP OUTLEIT PROTECTION WITH GEOTEXTILE FABRIC TO B KEYED INTO EX. GROUND 9" MIN. AT ENDS & ALONG PERIMETER. FABRIC TO OVERLAP A MIN. OF 9" (L=32'-EXTEND TO RISER, WT=6 FT, W2=15 FT, D-i8" ). / J 4EERGIINCY 40'W/E GRAS LIN\ SPILLWAY (CREST ELEV.=866.40') /WITH SIDES SLOPED AT 4:1 00 R� C, 8' WIDE TOP OF DAM ELEVATIO =E j PROPOSED STIR. Ai, A 3 " HDPE STANDPIPE TOPPED WITH A STEEL WEIR PLATE PROVIDING A 24" OPENING AND TRASHRACK TO SERVE AS A RISER STRUCTURE. RISER TO HAVE A RIM ELEV.=86 .2 ' A 6" LOW -FLOW 4 7r ORIFICE INVERT ELEV.=86o.00'. RISER TOP, & LOW -FLOW ORIFICE TO HAVE STATE APPROVED TRASHRACKS. SEE THIS PLAN FOR TRASHRACK DETAILS, OR EQUIVALENT. 6 PROPOSED CLASS AI, EC-1 RIPRAP OUTLET ff ROTECTION WITH GEOTEXTILE FABRIC TO BE t� [KEYED INTO EX. GROUND MIN. AT ENDS & - -- LONG PERIMETER. FABRIC TO OVERLAP A MIN. OF 9" (L=16', W1=6 FT, W2=i8 FT, D-18") OUTLET PROTECTION SIZING I I / I 00 VARIABLE WIDTH SWM ACCESS AND MAINTENANC�ENT lo' PRIVATE ASPHALT ACCESS ROAD TO SW FACILITY WITH 2o' PRIVATE ACCESS EASEMENT _ / \ CRITZER (ROUT O 5D 777 TYPE LENGTH WIDTH DEPTH TO DENTENTION BASIN RISER VDOT CLASS iA 3z' 6'-15' 1.5' OUTFALL OF DETENTION BASIN VDOT CLASS 1A 16' 6'-18' 1.5' 875 875 100-YR PEAK WSE 866.98 PROP SEDSTR.Ay A36"HDP 10-YR PEAK WSE= 866.38 STAN PIPE TOPPED WITH A STEEL 2-YR PEAK WSE= 64.63 WEIR PLATE PROVIDING A 24" 1-YR PEAK WSE= 83.82 OPENING AND TRASHRACK TO SERVE ASA RISER STRUCTURE. RISER O HAVE RIM ELEV:864.s7', As" LOW- LOW ORIFICE INVERT 8 Q ELEV. 86o.00'. RISER TOP,& 8 0 7 LOW- LOW ORIFICE TO HAVES ATE 7 PLAN ORTRASHRACK DETAIL, OR EQUI LE,T. 8-WIDETOPOFDAM ELEVATION=868' WITH o'WIDE RIPRAP LINED EMERGE NCY SPILLWAY (CREST ELEV. 866.4a') 865 � 865 PROPOSED GRADE EXISTING INV=859.00 GRADE 860 PIPE AI To 74.94 � OF 2 VV 8Go III 24 ai TO PREY iNT FLOATATION THE RISE BAPROPOSED BASIN'S I LOOR SHALL BE SLOPED O DRAIN TOWAR SR15ER(0.5% MIN.)WI HPOSITIVE VDOT ES-i TO OUTLET PRO ECTION SLOPES 855 HROUGHOUT 855 TOPREVE TFLOATATION THE RISE BASE SHALL BE FIRMLYE BEDDED6"INTO PROFILESCALES AN i8" THICK REINFORCED -"=5' (VERTICAL) CONCRET FOUNDATION a"=50'(HORIZONTAL) THAT 15 5' S', AND BURIED BELOWG OUND. 85o SSo O N O O 0 00 D ado m 00 m 10 00 0+00 0+50 1+00 1+50 DETENTION BASIN SECTION 20 8' W IDE TOP OF DAM ELEVATION =868' PROPOSED GRADE 865 865 �40 PROP05 D 40' WIDE VDOT CL. Al ZIPRAP LINED EMERGI NCY SPILLWAY W14s& FILTER FABRIC UNDI RLAYMENT(STONE DEP H=iB")SIDES SPILLWAY CREST ELEV =866.40 86o 86o rn 00 N M 00 00 00 00 0+00 0+50 HORIZONTAL GRAPHIC SCALE 0 10 20 40 so ( IN FEET ) 1 inch = 20 ft. GENERAL SWM NOTES: 1. STATE APPROVED TRASH RACKS SHALL BE INSTALLED ON ALL ORIFICE OPENINGS. SEE THIS SHEET, OR EQUIVALENT, FOR DETAILS. 2. CONCRETE FOUNDATIONS SHALL BE INSTALLED ON ALL RISER STRUCTURES MEETING MINIMUM VESCH 3.14 SPECIFICATIONS, INCLUSIVE OF STR. 6 SINCE IT IS LOCATED WITHIN THE DRY BASIN AND IS SU BJECT TO BUOYANCY. 3. CONTRACTOR SHALLHIREATHIRD PARTY GEOTECHNICAL ENGINEER TO ENSURE THE EMBANKMENTS ARE STRUCTURALLY SOUND. ALL EXISTING AND PROPOSED FILL MATERIAL AND PROPOSED CONSTRUCTION SHALL BE APPROVED BY AN ONSITE GEOTECHNICAL ENGINEER PRESENT DURING THE CONSTRUCTION OF THE EMBANKMENTS AND FILL AREAS, AND PRESENT DURING THE CORE SAMPLING. 4. THE DOWNSTREAM EMBANKMENT SIDE SLOPES OF ALL PERMANENT FACILITIES, INCLUSIVE OF THE DRY BASIN, SHALL HAVE A MAXIMUM 3:1 SLOPE. 5. CONTRACTOR SHALL EXCAVATE SEDIMENT LADEN MATERIAL IN ANY ESC SEDIMENT TRAPPING DEVICES AT THE TIME OF THE FACILITIES' CONVERSIONS TO PERMANENT SWM FACILITIES, IF APPLICABLE. AT SUCH TIME THE CONTRACTOR SHALL REGRADE THE SEDIMENT TRAPPING DEVICES TO THE PROPOSED GRADES SHOWN ON THE SWM SHEETS. THE CONTRACTOR SHALL MINIMIZE SOIL COMPACTION DURING THE CONVERSIONS. DETENTION BASIN SPILLWAY SECTION HORIZONTAL GRAPHIC SCALE ( IN FEET ) 1 inch = 50 ft. VERTICAL GRAPHIC SCALE 2.5 5 10 ( IN FEET ) 1 inch = 5 ft. General Construction notesfor Stormwater Management Plans i. All dams and constructed fill to be within 950A of maximum dry density and 2%of optimum moisture content. All fill material to be approved by a 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 basi Its 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 County erosion control inspector. ALL SLOPES GREATER THAN 3:1 SHALL BE PLANTED WITH NON -EROSIVE LONG GRASSES OR OTHER TYPES OF NON -EROSIVE PLANTINGS. GRASS LINED DRY RETENTION BASIN CONSTRUCTION NOTES: FACILITY PLANTING SPECIFICATIONS: 1. THE DRY BASIN SHALL HAVE TURF 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 DRY BASIN SHALL BE 3:1 WITH THE TOP OF THE EMBANKMENT SERVING AS A SAFETY BENCH. THE PROPOSED FLOOR SLOPES SHALL BE GRADED TO PROVIDE POSITIVE DRAINAGE ATALL 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. 1. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LAYOUT OF ALL WORK COVERED UNDER THESE PLANS. 2. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD AND NOTIFY THE DESIGNER OF ANY VARIANCE FROM THE PLAN. 3. THE CONTRACTOR IS RESPONSIBLE FOR VERIFYING THE LOCATION OF ANY ONSITE UTILITIES (CALL MISS UTILITY AT 1-800-552-7001 BEFORE ANY EXCAVATION). 4. REFER TO THE APPROVED FINAL SITE PLANS FOR ANY DETAILED SITE INFORMATION. 5. ALL WORK SHALL BE COORDINATED WITH OTHER PARTIES. 6. THE CONTRACTOR IS RESPONSIBLE FOR REMOVAL AND DISPOSAL OF TRASH AND DEBRIS WITHIN THE LIMITS OF THE DRY BASIN ON A DAILY BASIS. 7. THE CONTRACTOR WILL NOT BE RESPONSIBLE FOR DAMAGE CAUSED BY VANDALISM, FIRE, OR OTHER ACTIVITIES BEYOND THE CONTRACTOR's CONTROL. FACILITY CONSTRUCTION 1. THE DRY BASIN MAY SERVE AS A SEDIMENT TRAPPING DEVICE 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 ( Q O ) THE PERMANENT RISER AND BARREL 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 DRY BASIN IN MIND. APPROPRIATE PROCEDURES SHALL BE IMPLEMENTED TO PREVENT DISCHARGE OF TURBULENT WATERS WHEN THE BASIN IS BEING CONVERTED TO A DRY BASIN. 2. THE DRY BASIN SHALL ONLY BE CONSTRUCTED AFTER THE CONTRIBUTING DRAINAGE AREA TO THE FACILITY IS COMPLETELY STABILIZED. IF THE PROPOSED LOCATION OF THE DRY BASIN WILL BE USED AS A SEDIMENTTRAP 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 THATTHEY 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 PROJECTAREA IF REQUIRED TO THE DESIRED SUB -GRADE. 5. INSTALL E&S CONTROLS PRIOR TO CONSTRUCTION OF THE DRY BASIN INCLUDING TEMPORARY DE -WATERING DEVICES AND STORMWATER DIVERSION PRACTICES. ALL AREAS SURROUNDING THE DRY 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 INSTALLTHE 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. CONTRACTOR SHALL ENSURE THE TOP INVERT OF THE OVERFLOW WEIR IS 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 Specmcarions Property Test Method Unit Specification Permeability ASTM D-2434 Cmisec 1 x 10 Plasticity Index of Clay ASTM D-4231424 % Not less than 15 Li uid U dotClay I ASTM D-2216 % Not less than 30 Clay Particles Passing IASTM DA22 % Not less than 30 Cla Com coon ASTM D-2216 % 95%ol standard proctor denty .source: Vlrglnla warmxarer managemena manaooal.11 YfJ) 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 DRY BASIN. 10. CONTRACTOR SHALL THEN CONSTRUCT THE 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 IF APPLICABLE. 12. THE CONTRACTOR SHALL NEXT STABILIZE EXPOSED SOILS BY HYDROSEEDING OR SEEDING OVER STRAW. FACILITY MAINTENANCE: MAINTENANCE OF THE DRY BASIN IS DRIVEN BY ANNUAL INSPECTIONS THAT EVALUATE THE CONDITION AND PERFORMANCE OF THE FACILITY. 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 DRY BASIN. 2. MONITOR THE GROWTH OF THE GROUNDCOVER. 3. INSPECT THE CONDITION OF STORMWATER INLETS TO THE DRY BASIN FOR MATERIAL DAMAGE EROSION OR UNDERCUTTING. 4. INSPECT THE BANKS OF UPSTREAM AND DOWNSTREAM CHANNELS FOR EVIDENCE OF SLOUGHING, ANIMAL BURROWS, BOGGY AREAS, WOODY GROWTH, OR GULLY EROSION THAT MAY UNDERMINE EMBANKMENT INTEGRITY. 5. INSPECTTHE DRY BASIN's OUTFALL CHANNEL 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 ALLTRASH RACKS, REVERSE SLOPED PIPES OR FLASHBOARD RISERS AS APPLICABLE FOR EVIDENCE OF CLOGGING, LEAKAGE, DEBRIS ACCUMULATION OR OTHER FAILURES. B. 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 AS APPLICABLE. 9. INSPECT INTERNAL AND EXTERNAL SIDE SLOPES OF THE DRY BASIN FOR EVIDENCE OF SPARSE VEGETATIVE COVER, EROSION, OR SLUMPING. 10. OWNER OR CONTRACTOR SHALL MAKE NEEDED REPAIRS IMMEDIATELY. FACILITY INSPECTION: MULTIPLE INSPECTIONS ARE CRITICALTO ENSURE THE DRY BASIN IS 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 DRY BASIN'S CONSTRUCTION PROCESS: 1. PRE -CONSTRUCTION MEETING 2. INITIALSITE PREPARATION INCLUDING INSTALLATION OF PROJECT E&SCONTROLS 3. EXCAVATION/GRADING (e.g., INTERIM/FINAL ELEVATIONS) ) 4. INSTALLATION OF THE EMBANKMENT, THE RISER/PRIMARY SPILLWAY, AND THE OUTLET STRUCTURE(s). 4. DRY BASIN INSTALLATION (e.g., INTERIM AND FINAL ELEVATIONS) 5. PLANTING PHASE FOR TURF GROUNDCOVER 6. FINAL INSPECTION (DEVELOP A PUNCH LIST FOR FACILITY ACCEPTANCE) Splash Block Instructions Patent -pending cut-out to allow;( Before installation of the Splash Block, or any I P g ..f rain diverting accessory, make sure the grade I for fitment of downspout With around the foundation slopes away from the I low clearance of elbow house. There should he a 6 inch fall in the first 10 feet from the house. - e_ 10 Feet 6 in Water directing chevron pattern reduces washout AMERIMAX amerimax.com 1 800-347-2586 InfotRamenmaR.win Hole for landscape spike at front of splashblock allows it to be secured to ground StormRaxn- ROUND SERIES TRASH RACK (OR EQUIVALENT) CONCRETE MANHOLE STANDARD 60 INCH RACK SHOWN DIMENSIONS IN INCHES PLAN SIDE VIEW StDm RSI Round Series for Concrete Manhole DYC Min ID MIn On n 26 30 M 40% 36 4354. 4e s7 66H NI 70 Plastic Solutions, Inc. I2slatEn O V ` VO sae 43e6. W kCba . VA 27604 4' 73e MrC,l,ee a4 WMvee. VA 72Q03 ISTn E77•sni anus, PROEM lsal7u-ulam hfgx//www.lfaztlnso,nlm.mn :uilw•,ic "••• aWR*£R 9ECIIOry Rcaw.WtraRrccsss ISOMETRIC CONCRETE STRUCTURE DIMENRONS INSIDE STRUCTURE DIMENSION OUTSIDE STRUCTURE DIMENSION AVAILABLE OPMNS CROSS BRACING FOR OVERHAM HOPE ANTI -VORTEX PLATE CITE OIHAIIR eY: Amour. DETAIL 1 /2" zinc plated hook attached with 3/8' farlener ®®0 2-1/8' die. holm 1 0) 0 ®1) Isometric L/4- HOPE plate (optional) Fife o Await j S' r" x HDPF elruclurnl plastic with 0 2-1/8" hole. and 1/4" plate b Plastic manufacturedY O00 Solution. inl. or ,.at 0000 x' s~' e" Aa' p HDpe el."uc C.,ral Plnefic a1h 2-1/0' holes and 114' plate .Section manufactored by Plastic 3olulimna L r or rgcal i,A' die hole 0 0 o o OO 4 0 0 BNP Elevation =i cc dnc DEBRIS CAGE lill'\]PLASTIC SOLIPPIONS P a Ra. UA8 Tiam�ler 1• am INC. eTY-e'n-6vzT m.ple.e-Wularnm SECTION A-9: TYPICAL GRAPffiCAL DETAD.S - HomOgF*DUS fill --------� I 4' i m n Cutoff trench-4• bdo• suitable material Sol or pock L___-_-----J TYPICAL HOMOGENEOUS EMBANKMENT TraaiOon fill odl W gro el 4Blanket Pipe outlet Coa 1 or., Perforated +xaecla ourdation dmin drain FOUNDATION DRAIN BLANKET DRAIN dins, n, aa^, met wuel aRah Rdorlrickn or grovel to ^• t, Ta iller ansilkin CHIMNEY DRAIN TOE DRAIN as Source_ SCS Fngineermg Field Manual Figure A -la. Homogeneous Eitibankittews ,c'.S'eepage Controls EMBANKMENT NOTES: AFTER AN INVESTIGATION OF THE SITE's SOILS, SITE VISITS, AN ANALYSIS OF THE SURVEYED TOPOGRAPHY AND AN EXAMINATION OF VA DEQ APPENDIX A: EARTHEN EMBANKMENT, THE APPLICANT HAS PROVIDED A COMPREHENSIVE EMBANKMENT DESIGN THAT DOES NOT NEED A GEOTECHNICAL STUDY AT THIS TIME, SUCH IS THE CASE DUE TO THE PRECAUTIONARY EMBANKMENT DESIGNS PROPOSED. A SUMMARY OF THE EMBANKMENT DESIGN REQUIREMENTS ARE LISTED BELOW, MANDATING THE CONTRACTOR MEET THESE REQUIREMENTS AT A MINIMUM. THE EMBANKMENTS SHALL HAVE A COMPACTED CLAY CORE WITH A CUTOFF TRENCH & BE IN ACCORDANCE WITH THE DETAILS SHOWN IN THIS PLAN. BERMS AND SPILLWAYS SHALL BE STABILIZED WITH EC-3 MATTING & RIPRAP AND THE REMAINING DISTURBED SLOPES SHALL BE STABILIZED WITH EC-2 MATTING. ALL BERM FILL MATERIAL SHALL CONSIST OF MIL, CL, SC OR GC SOILS & BE FREE OF WOOD, ROOTS, ROCKS OR ANY OTHER NON COMPACTING SOIL. COMPACTED FILL SHALL BE PROCTOR MAXIMUM DRY DENSITY ASTM D698 AND HAVE A MINIMUM OF 95% OF MAXIMUM DRY DENSITY AND 2% OF OPTIMUM MOISTURE CONTENT. ALL FILL MATERIAL AND CONSTRUCTION SHALL BE APPROVED BY AN ONSITE GEOTECHNICAL ENGINEER PRESENT DURING THE CONSTRUCTION OF THE EMBANKMENTS AND FILL AREAS. COUNTY OF ALBEMARLE Department of Community Development us L1611% 16 Construction Record Drawings (As -built) for VSMP The following is a list of information required on construction record drawings for 609FO- 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. g P 8 g 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 - biofilter 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. Biofilter 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. SCOTT/R. C'OLLINS% Lic. No. 035791,n 7/28/22 Z Z M O U) J o U Z o lY � w OnW CI CI O 1--1 U a OF a O w o z F z O O M z O .Uri. .. U) WLUDOm W Q In Z Z N N LU CD 00 CD 00 0 0 �I WN C) N N W \ ZW J J I. > W tj O ZJ U WY W UlU) ZW IJ W JR Q 0 C)0 N U C3 w a lun JOB NO. 222207 SCALE 1 "=80T SHEET NO. 11 V 1� 1� V 1 A I I I I V A \ OUTLET PROTECTION SIZING / I I �/ � � I I I I I IIIII�IIIII�II\\\VAVA \ / SCOTT AR. ZbLLINS% / L� Lic. No. 035791,n 7/28/22 \\\\\ \ FLOODING OF DOWN GRADIENT PROPERTIES. PLEASE SEE SHEET 13. FOR / / /i �0 A DETAIL OF THE SPLASH BLOCK, OR EQUIVALENT. I VAVA�AVVA� Vv>>vv�>�� wvv � �� --- � _�// // /// ��O \V AV A A� \IS VA v ��- A _-ac"`�-�� '�r�" � r/%��' � r ��..�•� // I_ - F - \� rag/ T.M.69-19GT.M.6 O -REVISED LOT (p MCCLANA 0-,TOCONCREEKLLC FIE - - - - - - - -- \26ACRES 2.80 D.6,55.04 P 614' -_CRMCA -St ,ems-"i/ /'�iooYEARFEEMAv�vA \LOT S 5.65,AvCRES FFE=922.67/ 924-\-- GAR= zz.00 4 I LOT 12 _ - \\ 2.41 ACRES 90 - / _ - - ' / /Gy 920 920 - - \ \ \ at. �z \ DOWNS POUT AN�-� - 7 \\UNOFF TOWARDSCT ROOF / \ 9z6_ RI I , . 920-CT ROOF I - �TOCKTON CREEK LANE - v V A -I - A OA \ 1 i- 30 �� I/ / / \\ L6l� 10 - �\ \ \ 0 \ 9 OVER IT �x 9 \ LIN \ `2O - -�v vA FFE=gzo 6,- / - T \ _ _ gio / / FFE=goS 67 A \ \ GAR=920.00 - / GAR=9o5.00 ) V = V / ( \ \ /'i/- V" 910 TYPE LENGTH WIDTH DEPTH RIPRAP CHANNEL OUTFALL OF36"CULVERT VDOT CLASS II 30' UP TO 874 CONTOUR 42" IT.M.6 6L I Iv/ IIII I IIII �V1 AA�v�AAvA L06v�vAv vv V A AV A T.M.69 6C RCP CULVERT / WATERSHED SUMMARY FOR PROPOSED 36" v v GIBSONEVERETT E 1RXART F,IELDS \\ 15p6.52 6- 21 07P/ D.6:84a047_ \NOTE: ALL HOUSES SHALL HAVE SPLASH BLOCKS AT THE OUTLETS OF / / / / / \ -_ A VAA THEIR DOWNSPOUTS TO PREVENT EROSION, SEDIMENTATION OR / / / / / �/ �V v V Area, 2-year Flow, 10-year Flow, 100-year Flow, CN ac. cfs cfs cfs DA to Culvert Crossing Stockton 59 35.91 11.50 44.09 115.56 Creek Lane Project Sbddan Creek Plan Sheet No. Designer LW Sheet 1 or 1 Culvert Rev. Date Data 5109122 STATION: AHW'Controls HYDROLOGICAL DATA: 100 yr. Flood plain elev. Design AHW depti elev. Structures elev. teq. - TWAIev. Culvert#1: DA=35.91 ac., CN=59, Tc=24.2 min., 2-year Q=11.50 cis,10-year _ Q=44.09 CIS, 100-year Q=115.56 cfs Shoulder elev. 1354.6 _ CL elev. 1355.22 DISCHARGES USED RISK ASSESSMENT ADT Skew ° Cover " 0 2 = 11.5 CFS Deburs Available Length 0 10 = 44.09 CFS Overtopping Stage 0 100 = 115.56 CFS Flood Plain Management Inv. El. 873.92 So= 2.08% Inv. El. 868.87 Q CFS Criteria and Sgnilcant Impact Orig. Gr. Elev. L= 243 Orig. Gr. Ekv. _= 0 = CFS CULVERT TYPE &SIZE Q CIS HEADWATER COMPUTATIONS CONT. HW. ELEV. OUTLET VELOCITY nd 7 COMMENTS INLET CONT. OUTLET CONTROL HWID HW Ke do (dc«D)/2 ho H LSo HW C.M. Snnoolh Proposed136' RCPCulvert(2yr) 11.5 11.5 0.49 1.5 0.5 1.1 2.04 0.66 0.5 5.0 -3.9 1.5 5.05 E%1 VDOTSTD.EW-Klass IIOuIk Prok4on Proposed 36' RCP Culvert(10 yr) 44.1 44.1 1.18 3.5 0.5 2.2 2.58 3.58 0.5 5.0 -1.0 3.5 8.08 Proposed 36" RCP Culvert (100 yr) 115.6 115.6 4.28 12.8 0.5 3.0 3.00 17.34 0.5 5.0 12.8 12.8 16.35 Design Flood Exceed. Pob. _ Bey. Overbp Flood Exceed. Prob, Bev. SUMMARY & RECOMMENDATIONS: Base Flood l%Exceed. Prob. _ Elev. z O 0 (w J U Z O << W OCL w m Lu w do En Q Q O inn w z F F�1 Z 0 O M Z O ..Lr) Ln WLu co=)m ./. Ln Ln H Z z N 8ge-- I\\\�\\\\\ \ \\�m m 'n / m ©6�m LOT14 \ \\ \\ \ /\� p \` \ \ o r \ � \ \ \ MONUMENT \ \ \ y\ \ \\�\ \ \ \ \ F\ \ \ \\ I / / \ \ \ \\ �l , ✓/ - / 7 - I\ \ \ \ \ \\ \\ �\ \\ \ _ \\ \ \ \ \ \ _ % o$ 9 - - / goo / \ \ \ \ '89z_ 9p2 3.95 ACRES `� \ Y2 L \ \ \ \� \ \ \ \ v vv �� n� rv� vv;vvv�v I I I I 11 V v v' ✓/, -- v v v v v v v �v vv m� p 'DOWNSPOUTAND IRECTR O // / Ccv�n 930._ /� �� v V °� v VAVA vvvvvvv vvv V �v �� v;90AAAVA��A��.� vv vlll'�, /� / �/ ! V I �� vX BLOCK SHALL DIRECT ROOF v vVAA ////p�/ �� l ATE$, 1A C�rvl�v vv vv vv A / / // / / \ \ 4r/ \ �� / 6'\ \ \ FFE=932.67 \\ \ \\ \ \ - \ \ \\ \ \o\\\ \\ \ i.\ \ \ \ \ /q h'Y o7°y 7 p70 906 i /l i\ - J \ / RUNOFF TOWARDS SOUTH \ / \ h /Y / /\-"^ "/ e I \\ KERpY\ SIDE OF HOUSE \ / / / V \ R \ I I / / // / // \ \ \ \ 1 \ \ \ / \ GAR= z 00 \\ \ \ \ /\ \ \ \ �, / o - I (/ / xo / ep� \ FF'E=939.93 . / \2.148 A $ 4!R-e v- G4vAaR,= _4- 4 \/-MgvJo69 •\/vv /\\ �\s\/ s /°�.\\\Y"\> \a�tite �\�1'Y o\ >\ �� 9\,�- 92k v\ \vv\ v \v 1\ VmryN �\ 9 \� \\ \\vA �\�/SyamV LT �o'\ c \k v �vOI SN A7/c 7C/iR srPvL $/! \��\\\ I0\ \ \�\v 9 \\�8°�A\A 8� \V\8v8A_\\8\ySG\v- A��\\R$\\.`�\`\ AC 9\v3A4\ C,\A�\\\• Rgv\\f/ S \ \ /°�\9y\ o\�v\�mo\- oT�z�904 993.z /BSMT- 0 27 v \�FE=94i, GR9V1SED LOT 7 goo.. i=goo.00 /\4 /E MAN TRUST \x IQ\o/ V4738-23 \Y'PLAT WNS'O)fAND ASH vb QjD B.4456 44 BLOCK SHALL DIRECT ROOF RUNOFFTOWARDS30 234 PLAT jB STOCKTON CREEK LANE O \ oo � �/ / s3a_ 942 III0 O \ y\e e •\\ \v�\� \ek -��r. •%.{ /\ ~�\ `\ v\ �v \\ \1v \ \\\\A\ \ \ \ \ \\ vo� Q\ v_ � Z \vv A\ \ v � V '\\\.- \ -\\94z o `\ 20o FOOT WPLOT1569 Vv TAA _\ vv OT2 2.40ACRES TREAM BUFFER B E Hb LC \\ S26�8ACRES 61, 2.02ACRES 46 K \\�8o° 8 '946.So GAR894-17 OT LOT 16�� o \ �i0 A o / - 'DOWN POUTA DSPLASH \v I �VN-_00_-� �� \gip �6 �'P /�\ ' 2.2.rJA / ,�// / 1 _ / I I I 11V T/. M./67 6 / / / I I 1pI I 1 \ BLOCK SHALL DIRK I ROOF \ / / Vx vn 9 \ \ � 06• _ _ °j-/ - s y s / �o Q 69 / 20' PUBLIC DRAINAGE ESMT \ \ / \ \ 1 �T6 ti990 88 �\ \ Fsic��0--' / \ \ > / o LL y \ LC)Tj 1 / / I I V A�STOCKT N CREE S \ l I 9� , 9 �� Lt'�9 8 �� \ S,o O I FRANK DONLEY & / I i� A STOCKTON CREEK LANE � _ / � � V .8 FF G r i v A s l / �� \ a6 A o p . CARLA ONLEY� I /� / s, / �s l - s V A� \ '- /� / \ I 6 p.6.3 8d 8$ \ v _ / -- �� \ V A A I , \ s8 ` �v / -�A /. I I / O� /s $5/& 6 PLAT I I I I V ` v $' 0 8 -1 V ( / / rV / / A\ \ \ 9 v j' / ILOT 22 - -- V 9oz I I / o \ 40 / �� / 1 / o � v [ 2.491ACkE / 1 X GAR-939.So // l ' • ROPOSEDSVDOTRIGH` F W` �j _ AY\ I \ ! i 940 i / I / % J I \ \ \ �r 9p ` \ \ \ \ \I` \ \ \� \ \ 1 I l l l/ l f 9a 9 6 /9zo POLE r / OVERHEAD� -g3z _ - - - - - \ - -PROPOSED 50' VDOT RIGHT-OF-WAY '/ / -FFE-gi8.17 / \ \\ \I \ \ \II \ \ - \ _ \ / 1 \ \ I \ UTILITY I o SCOT 3A--- --- ---- -- __ - ---- _--_- --_ --// � GARV=91-,.50v / v \ LOT 17 LINS �CREL vFFEv=884' 3 --� I��UBJCUTA 6.19ACRES // /OD SPLASH GAR=4.17 -PROPERTY,- /BLOCK SHALL DIRECT ROOF __-_ _ / ��--\ - I -_mot -._-�/ �RUNOFFTOWARDS /920 STOCKTON CREEK LANE v\ z-o'1_�P\�R�IJVAl\T3-E,-�DRAINAGE 5 _ E-S-'MI�T // PU/B 3�0ACR�1 \1 V 800 8 VDH36"RCPCULVERTFE=6751 7 ESIGN THIS SHEET j MONUMENT GAR=874.50 FFEe8 6 FOUN p0 REVISED // V/D /STOCKTONCRMLC DOWNSPOUT/WENT � N\ / T 4.56 AGR�E ANAH SIPOLE 4' PGA14�_BLOCK SHALL DIRE C)OF SRUNOFFTOWARDS SOUTH LOT 181/DrB 55 �7- AND/OR EAST SIDES OF HOUT TOWARDS DETENTION BASIN LICDRAINAGE E\SMTA V.05yACiES \� / 20 01 EIS/ / / / / II / / _ - \ 'DOWNSPOUT AND SPLASH LOT \ %\BLOCK SHALL DIRECT ROOF VDH/� \ - _T / / / / / / - / / / _ - -r / l \ \ \ \ - - _ / / I 1. 3 ACRES \ \ \ \ \ RUNOFF TOWARDS SOUTH MONUMENT _ l/ -� / / I I / \ \ \\ \SIDEOFHOjSE \ \ FOUND\< 1 / / �- - 866 - ` I \ \ \ - 2o'PUBLIC DRAINA EESMT/ 1\ 1\\ \\\\ \ \\\ \\ 11 I \\ \\ \\\ \ \ _ CSfTiCAL SLAPES__ _ _ _ _ / _- / -v vvv -_--- - - ----- v�v- -�/ c' \ v � T. 69- I / / /// / \ \ v \ _ v / / / / co 862 BOG T - o A - j �� \/ / SQ \\ V A F 6 6 g6o_\ \ _ %/ s C�H FREEMAN ARTHUR H bk \ \ ) I 1 r F858 IS \ OUNDEN \ \ \ \ - - - - - - - v $_ �86 $ 8 v _ I / JOA� \\ \ \ V A \ V A \ ---- - _ _ T 1 T.M.69 19A7 _-MONtfMEN STq TE -- - _ - F - \ - %� \ _ )/ / \ I 47;729 \ \ - �F� - - CASEY P _LUST- - - --fl11NiT _ \ GRI_TZE gR(TE - _ _ �Si42PE _ _-_ - - _ _ �T,�osEPH S�OTT 8� _ _ R 151 - - - - - - - vDH GRAPHIC SCALE - - - / \ \ �/ - - / 21 ACRES _ RptBABL�Ey WIp_RA, -FOU D- VUH ..ONUM N } -- \ IN FEET \1 9`U -F / -�\ \ VDH \ 1 inch = 80 ft. `FOUND / \ v MONUMENTEnlIND L9 CA ti M ® M O� N M z N J W O J N WN � Zw J � IIIIIIIII� � zo z � g L9 O 1--1 z�~ 0 U3 W Y LU Ul W LU U 0> , F- I Z LU LU z 0 ''� v - J J W O IttttJ a 0 O O N U Lu 0 w a JOB NO. 222207 ySCALE 1 rr-OOr SHEET NO. 12 Design Storm Year 10 DRIVEWAY CULVERT io-YEAR CAPACITY CALCULATIONS 0 INVERT �TH ELEVATIONS SCOTT R. LINS'Z O L) Lic. No. 0357911n 150 7/28/22�� c� IONAL It w w z z V) z J 0 U O C N c O U C N Z }} 3 M Z O O F /A U w Z o �a J w Ou�mw 0 yam r in (^ w 0 Z O �- 3 o O0 Z ` Z 0 0 H O m o w o W M m Ln =) U J to i H Z c Z N O Design Year: 10 Project: Victorian Heights Job #: 202196 Prepared by: LMW, PE a 0 J�CTION MSS 0 c c 0 0 O N N p W r1i r-4CD 00 N Q N N E 0 0 0 GRATE INLET COMPUTATIONS ` L9 N c_ Ci) - > r 0 0 M 0 3 ® /M/�� y� N N 0 a M 0 T c � 1 N o W O pD C 0 N � WN Roadside Ditch Lining Calculations Job Number: 222207 Designed By: LMW > a Stockton Creek Lane MaxS=5D% EC-2,MaxV�.0fps VDOTL7.A1,n�m2 Max V=3Afps EC-3TypeA,MmV=7.0fps VDOTCI.I,n=0M o LU VDOTCI.II,n�D95 J f > Z cn z o L9 �J/ O 0 _ I O > c >� z U Q M J o Uo ` U WI Y w o � c Y W z E Ul w q� o Roadside Ditch Lining Calculations Job Number: 222207 Designed By: LMW U OC z Stockton Creek Court Max S=5.0% EC-2 MmV�.o fps VDOTQ.A1,n�A72 F 0 w w 7 Z MaxV=3Afps EC-3TypeAMaxV=7.0fps VDOT CI. I, n�.085 0 VDOTCI.II,n�A95 0 z w z z i o U J w o Q n J v 3 O N 0 O 0 N 0 U E U O a ta O w m O U JOB NO. 222207 SCALE 0 N/A 0 a 0 SHEET NO. 13 ©- III 1 ' 1 III 111 ��®----_-_- ®--_-----_--- --_-_-_- STRUCTURE DRAINAGE D (IN) FLOW TYPE NOTES INLET TYPE AREA (FTC) PERIMETER (FT) A (ACRES) C I (IN/HR) Q (CFS) 9 DI-5, STD. PG-2 TYPE 2.50 12.67 2.85 0.45 4.00 5.13 3.2 WEIR FLOW 6"HIGH BERM 9 DI-5, STD. PG-2 TYPE 2.50 12.67 2.85 0.45 6.50 8.34 4.6 ORIFICE FLOW TOP ELEV=895.5 10 DI-5, STD. PG-2 TYPE 2.50 12.67 4.04 0.40 4.00 6.46 3.7 WEIR FLOW GRATE LOCATED 10 DI-5, STD. PG-2 TYPE 2.50 12.67 4.04 0.40 6.50 10.50 7.3 ORIFICE FLOW IN SAG 8 DI-5, STD. PG-2 TYPE 2.50 12.67 0.53 0.55 4.00 1.17 L2 WEIR FLOW 6"HIGH BERM 8 DI-5, STD. PG-2 TYPE 2.50 12.67 0.53 0.55 6.50 1.89 1.6 WEIR FLOW TOP ELEV=894.4 7 DI-5, STD. PG-2 TYPE 2.50 12.67 5.57 0.35 4.00 7.80 4.0 ORIFICE FLOW GRATE LOCATED 7 DI-5, STD. PG-2 TYPE 2.50 12.67 5.57 0.35 6.50 12.67 10.7 ORIFICE FLOW IN SAG 6 DI-5, STD. PG-2 TYPE 2.50 12.67 0.39 0.65 4.00 1.01 1.1 WEIR FLOW GRATE LOCATID 6 DI-5, STD. PG-2 TYPE 2.50 12.67 0.39 0.65 6.50 1.65 1.5 WEIR FLOW IN SAG Sta From Sta To T (min) C Value Area (ac.) CA ccu I' (in/hr) Q (cfs) Slope (ft/ft) Earth(n�.03) Jute(Sod)(n�.05) Riprap I" (m/hr) Q" (cfs) Depth" (ft) Min.Design Width (ft) Vel. Depth VeL Depth Vel. Depth (Depth) (Type) Note: Ditch terminates at STR-18 12+09 ]0+00 6.0 0.50 0.24 0.12 5.4 0.65 0.0450 2.58fps 0.29 ft 6.50 0.78 0.31 ft 12" Earth 6.00 ft Note: Ditch terrrrirtates at STR-17 12+09 ]0+00 6.0 0.40 0.39 0.16 5.4 0.84 0.0450 2.97fps 0.31 ft 6.50 1.01 0.34ft 12" Earth 6.00ft Note: Ditch terminates at STR-9 12+09 18+79 12.0 1.97 0.45 0.89 4.3 3.81 0.0750 2.2 fps 0.69 ft 5.30 4.70 0.75 ft VDOT CL A I Riprap 6.00 ft Note: Ditch terminates at STR-10 12+09 19+83 8.0 0.60 0.48 0.29 4.9 L4l 0.0750 2.0 fps 0.48 ft 6.00 1.73 0.53 ft VDOT CL A 1 Riprap 6.00 ft 24+OS 19+83 I2.0 0.30 3.44 1.32 4.3 5.68 0.0574 2.6 fps 0.85 ft 5.30 7.00 0.91 ft VDOT CL A 1 Ri ra 6.00 ft Note: Ditch terminates at STR-8 24+OS 19+83 8.0 0.55 0.53 0.29 4.9 1.43 0.0574 1.8 fps 0.51 ft 6.00 1.75 0.55 ft VDOT CL A I Riprap 6.00 ft Sta From Sta To T (mho) C Value Area (ac.) CA ccu I' (in/hr) Q (cfs) Slope (ft/ft) Earth (n�.03) Jute Sod) n�.05 Riprap I' (in/hr) Q" (cfs) Depth" (ft) Min.Design Width (ft) Vel. Depth Vel. Depth Vel. Depth (Depth) (Type) Note: Ditch terminates at STR-7 10+00 12+95 9.0 0.35 5.57 1.95 4.7 9.16 0.0700 1.8 jps L04 ft 5.80 l 1.31 1.13 ft VDOT CL I Riprap 8.00 ft Note: Ditch terminates at STR-6 10+00 12+95 6.0 0.65 0.39 0.25 5.4 1.37 0.0700 2.0 jps 0.48 ft 6.50 1.65 0.51 ft VDOT CI. A 1 Riprap 6.00 ft