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HomeMy WebLinkAboutWPO202000026 Plan - Submittal (First) Erosion Control Plan 2020-04-29r, ITT DATA OWNER i DEVELOPER: PROPERTYADDRESS: YANCEY, CHARLES ERNEST 6557 DICK WOODS ROAD CHARLOTTESVILLE VA, 22903 6557 DICK WOODS ROAD CHARLOTTESVILLE VA, 22903 PLAN PREPARER: ,ROUDABUSH, GALE, & ASSOCIATES 914 MONTICELLO ROAD CHARLOTTESVILLE, VA. 22902 TAX MAP PARCEL No: 07100-00-00-02180 LOT AREA: 73.94 AC. ZONING: RURAL AREAS DISTRICT (RA) USE: LAND USE BUILDING HEIGHT:: MAXIMUM STRUCTURE HEIGHT IS 35 FEET SFTR®Cuc. FRrnnrr Slnr REAR 75' 25' 3:5' PROPOSED IMPERVIOUS AREA: Q. 0 AC. PROPOSED TURF AREA: Q.O AC. PROPOSED OPEN SPACE AREA: 2.82AC (PASTURE) MAGISTERIAL DISTRICT SAMUEL MILLER DRAINAGE DISTRICT MECHUMS RIVER - STOCKTON CREEK, HUC JR0I BOUNDARY, DB, 5131566 TOPOGRAPHY ALBEMARLE COUNTY GIS (TAKEN MARCH 2020) CRITICAL SLOPFIS: CRITICAL SLOPES EXIST ON THIS SITE & ARE LOCATED AS SHOWN. FL OODPLAIN: THE SUBJECT PROPERTY IS IN FLOOD HAZARD ZONE X (AREA OF MINIMAL FLOOD HAZARD PROJECT DESCRIPTION: THE PURPOSE OF THIS PROJECT IS TO CREATE SAFER, MORE USEABLE FARIvr"LAlVL1 pY r RcATeivu A ,viOrncc GE,VTLE GRADE ACROSS A STEEP RA VINE. THE INTENT IS TO USE AVAILABLE FILL DIRT AND TO RETURN THE LAND TO PRE-EXISTING LANDCOVER 1NA POSTOEVELOPED CONDITION. STORM WATER MANAGEMENT• THE PROPOSED LAND DISTURBANCE 1S UNDFRSTOODTO BE EXEMPT FROM THE VIRGINIA J vR,vl vy" I Cri IvhA lIv/A7 LIvtL-IV I PLA,v' REOv1RME":TS UNDER ALBEMARLE COUNTY CODE OF ORDINANCES 17-303-H AS AN AGRICUL TURAL ENGINEERING OPERATION ,rp; ' .g7,PrAAj Ri lFFFR(.S).4I-If3wAj 1-1FRFnN .SHALL ,RF M.ANAOFn IN ACCnRDA,II�fC,E WITH THE ALBEMARLE COUNTY WATER PROTECTION ORDINANCE. THIS S1TE IS NOT LOCATED WITHIN THE WATERSHED OF PUBLIC WATER SUPPL Y RESERVOIR. WORK AREA PROTECTION & MAINTENANCE 1. ALL FENCES REQUIRED TO BE REMOVED OR DISTURBED BY CONSTRUCTION SHALL BE SALVAGED, STORED, PROTECTED AND RE -INSTALLED BY CONTRACTOR AT THE DIRECTION OF AND LOCATION DESIGNATED BY THE PROJECT MANAGER. IF SUCH FENCE MATERIAL CANNOT BE REUSED DUE TO DAMAGE CAUSED BY CONTRACTOR, CONTRACTOR SHALL INSTALL NEW FENCE OF THE SAME TYPE OF MATERIAL. TEMPORARY FENCING REQUIRED BY PRIVATE PROPERTY OWNERS SHALL BE PROVIDED BY CONTRACTOR. CONTRACTOR IS ADVISED TO CONTACT PROPERTY OWNERS AT LEAST FORTY-EIGHT (48) HOURS IN ADVANCE OF REMOVING itlll\I AI 1€ln nnf'1Trf"^T !'t AI PYC AAIV AAI€A�hl c. kin T ANY FENCE IN ORDER TO COORDINATE RELOCATION ANID/Ore rr'<vILLoIvlr yr "IV1 nIVIivimKAAL7, myr TO ESTABLISH AND CONFIRM WITH THE OWNER THE PRE -CONSTRUCTION CONDITION OF ANY FENCE TO BE REIY"OVED, DISTURBED OR REPLACED. 2. CONTRACTOR IS PERMITTED TO WORK IN THE PUBLIC RIGHT-OF-WAY (FOLLOWING ISSUANCE OF VDOT APPROVAL) AND ANY TEMPORARY OR PERMANENT EASEMENT (FOLLOWING VERIFICATION OF EXISTENCE OF EASEMENT) SHOWN ON THE PLANS. HOWEVER, CONTRACTOR SHALL NOTIFY PROPERTY OWNER(S) FORTY-EIGHT (48) HOURS PRIOR TO WORKING ON ANY PRIVATE PROPERTY TO GAIN AND COORDINATE ACCESS AND TO DETERMINE A STORAGE AREA FOR MATERIALS IF NEEDED, COORDINATION OF ACCESS TO PUBLIC RIGHT-OF-WAY AND STORAGE OF MATERIALS THEREON SHALL BE COORDINATED WITH VDOT AND THE PROJECT MANAGER. CONTRACTOR'S FAILURE TO SO NOTIFY AND COORDINATE WITH PROPERTY OWNERS AND/OR THE PROJECT MANAGER MAY RESULT IN DELAYS. y CONTRACTOR SHALL, AT HIS EXPENSE- MAINTAIN THE WORK. SITF IN A CLEAN AND ORDERLY APPEARANCE AT ALL TIMES ALL DEBRISANDSURPLUS MATERIALCOLLECTEDSHALL BE DISPOSED OF OFF THE WORK �I r - t'*n\I MATT rI AT I.11C` C'VF7CAIC'C SITE D 1 LVIV I1'4.!"tl..l VI1, rtl 111. LAI LIVJL• 4. EXISTING LAWNS, TREES, SHRUBS, FENCES, UTILITIES, CULVERTS, WALLS, WALKS, DRIVEWAYS, POLES, SIGNS, PIGH.T OF ,A.'AY MONUMENTS, MAILBOXES AND THE LIKE SHAH BE PROTECTED FROM DAMAGE DU IRING THE WORK. ANY DAMAGE CAUSED TO SUCH ITEMS SHALL BE REPAIRED OR REPLACED BY CONTRACTOR AT NO ADDITIONAL COST. PROPERTY PINS DISTURBED BY CONTRACTOR THAT ARE NOT SHOWN ON THE PLAN S S TO BE DISTURBED SHALL BE RESTORED BY A LICENSED SURVEYOR AT CONTRACTOR'S EXPENSE. 5. CONTRACTOR SHALL EMPLOY EROSION CONTROL DEVICES AND METHODS AS REQUIRED TO MEET THE REQUIREMENTS AND INTENT OF THE LOCAL EROSION CONTROL ORDINANCE. CONTRACTOR SHALL PROVIDE THE NECESSARY DIVERSION DITCHES, DIKES OR TEMPORARY CULVERTS REQUIRED TO PREVENT MUD AND DEBRIS FROM BEING WASHED ONTO THE STREETS OR PROPERTY. CONTRACTOR'S VEHICLES SHALL BE KEPT CLEAN TO PREVENT MUD OR DUST FROM BEING DEPOSITED ON STREETS. NO AREA. SHALL BE LEFT DENUDED FOR MORE THAN SEVEN (7) CALENDAR DAYS, `ivL Cr I 'w or 1. PRIOR TO REMOVING ANY VEGETATION„ CONTRACTOR SHALL MEET WITH THE PROPERTY OWNERS AND THE PROJECT MANAGER TO REVIEW THE LIMITS OF CONSTRUCTION AND OBTAIN PERMISSION TO REMOVE VEGETATION REQUIRED TO DO THE WORK. 2. TREE AND PLANT ROOTS OR BRANCHES THAT MAY INTERFERE WITH THE WORK SHALL BE TRIMMED OR CUT ONLY WITH THE APPROVAL OF THE PROJECT MANAGER. ANY TREES OR PLANTS WHICH ARE SHOWN TO REMAIN THAT DO NOT INTERFERE WITH THE WORK, BUT ARE DAMAGED BY CONTRACTOR OR HIS SUBCONTRACTORS, SHALL BE REPAIRED OR REPLACED BY CONTRACTOR AT NO ADDITIONAL COST. 3. CONTRACTOR SHALL CLEAN UP, RESTORE, SEED AND MAINTAIN ALL DISTURBED AREAS IMMEDIATELY UPON COMPLETION OF WORK ON EACH SITE. TOPSOIL, SEED, FERTILIZER AND MULCH SHALL BE PLACED IN ACCORDANCE WITH ESC AUTHORITY STANDARDS ON ALL DISTURBED AREAS. A PERMANENT STAND OF GRASS ADFO_UATE TO PREVENT EROSION SHALL BE ESTABLISHED PRIOR TO FINAL ACCEPTANCE. 4. THE ACT OF RESEEDING SHALL NOT QUALIFY AS "STABILIZED". THE CONTRACTOR SHALL BE RESPONSIBLE TO ESTABLISH VEGETATION, NOT SIMPLY APPLY SEED AND MATERIALS. YANCEY FARM PAD 2 mr M �m7 4 �@ ROSION CONTROL PLAN VICINITY MAP SCALE: i "-2000 FEET UTILITIES 1. ANY DAMAGE TO EXISTING UTILITIES CAUSED BY CONTRACTOR OR ITS SUBCONTRACTORS SHALL BE CONTRACTOR'S SOLE RESPONSIBILITY AND REPAIRED AT CONTRACTOR'S EXPENSE. ?, THESE PLAINS no M07 GL IARA:NTEE THE FXISTFNCF, NON-EXISTENCE OR LOCATION OF UTILITIES. CONTRACTOR SHALL VERIFY THE EXISTENCE AND LOCATION OR THE NON ---EXISTENCE OF UTILITIES. AT I CAN'T A 6Jnl IDS PRIOR TO ANY EXCAVATION OR CVA�CTRIudVTlf'I�I CONTRACTOR SHALL NOTIFY Ar11 I;�ITII ITY LL/'{JI Tip € IV VI\lJ RI - (1 800-552-7001) AND/OR THE RESPECTIVE UTILITY COMPANIES FOR GAS, WATER, SEWER, POWER, DWONIR ANIfl PAW P. rr]NTPA{`TOP fiHAI L TIMELY ARRANGE TO HAVE THE VARIOi1S I lTll iTiFS I OCATED; AND TO —HAVE THEM REMOVED OR RELOCATED, OR TO DETERMINE THE METHOD OF PROTECTION ACCEPTABLE TO THE RESPECTIVE OWNER, IF THE METHOD OF PROTECTION IS NOT OTHERWISE SPECIFIED. CONTRACTOR SHALL CONDUCT ITS WORK IN THE VICINITY OF EXISTING UTILITIES IN ACCORDANCE WITH THE RESPECTIVE UTILITY'S RULES AND REGULATIONS. ANY COST INCURRED FOR REMOVING, RELOCATING OR PROTECTING UTILITIES SHALL BE BORNE BY CONTRACTOR UNLESS INDICATED OTHERWISE. CONTRACTOR SHALL EXCAVATE TO LOCATE BURIED UTILITIES FAR ENOUGH IN ADVANCE OF ITS WORK TO ALLOW FOR HORIZONTAL AND /OR VERTICAL ADJUSTMENTS TO ITS WORK AND/OR THE UTILITIES. NO ADJUSTMENT IN COMPENSATION OR SCHEDULE WILL RF ALLOWED FOR DELAYS RESULTING FROM CONTRACTOR'S FAILURE TO CONTACT AND COORDINATE WITH UTILITIES. 3. WHEN THE WORK CROSSES EXISTING ING UTILITIES, THE EXISTING UTILITIES SHALL BE ADEQUATELY SUPPORTED AND PROTECTED FROM DAMAGE DUE TO THE WORK. ALL METHODS FOR SUPPORTING AND MAINTAINING THE EXISTING UTILITIES SHALL BE APPROVED Bi' THE RESPECTIVE LiTii iTY CviviPAlvY A"vD/Om THE L.111V NLER. CONTRACTOR SHALL EXERCISE CARE TO INSURE THAT THE GRADE AND ALIGNMENT OF EXISTING UTILITIES ARF MAINTAINED AND THAT NO JOINTS OR CONNECTIONS ARE DISPLACED. BACKFILL SHALL BE CAREFULLY PLACED AND COMPACTED TO PREVENT FUTURE DAMAGE OR SETTLEMENT TO EXISTING UTILITIES. ANY UTILITIES REMOVED AS PART OF THE WORK, AND NOT INDICATED TO BE REMOVED OR ABANDONED, SHALL BE RESTORED USING MATERIALS AND INSTALLATION EQUAL TO THE UTILITY'S STANDARDS. 4. CONTRACTOR SHALL NOTIFY LANDOWNERS, TENANTS AND THE PROJECT MANAGER PRIOR TO THE INTERRUPTION 'OF ANY SERVICES. SERVICE INTERRUPTIONS SHALL BE KEPT TO A MINIMUM AND SHALL ONLY OCCUR WITH THE KNOWLEDGE AND PERMISSION OF THE SERVICE'S OWNER OR AUTHORITY. 5, TWP Aflli ISTMENT OF Al L MANHCII_F TCJPS, WATER VALVE BOXES. GAS VALVE BOXES AND WATER METER BOXES SHALL BE THE RESPONSIBILITY OF CONTRACTOR. 6. ALL WATER METER, VALVES AND FIRE HYDRANT ADJUS I MEN T S/RELOCAT IONS SHALL BE PERFORMED BY THE CONTRACTOR. CONTRACTOR SHALL KEEP A "REDLINE" SET OF PLANS DOCUMENTING ALL SUCH AS --BUILT REOSIONS. SHEET INDEX HEI 11 COVER S Itt I SHEET 2 BOSTING CONDITIONS/ SOILS MAP SHEET 3 ---- EROSION CONTROL PLAN - PHASE I f%LAr'r-r r ICrlP%Ql^Ll dl A LI EbLJ A+@IIM 1 onr_C I At r—nuoIVll 1 IlVL r"I r l " 1"II"7mov- 1 SHEET 5 EROSION CONTROL NARRATIVE SHEET 6 EROSION CONTROL NOTES & DETAILS CONTRACTOR SHALL KEEP ACCURATE RECORDS OF ANY CHANGES .SUBSTITUTIONS, ALTERATIONS, VARIATIONS OR UNUSUAL CONDITIONS ENCOUNTERED OR IMPLEMENTED WHILE E-NG.A.GED ON THIS PRIO,IFCT. THESE RECORDS SHAI_I_ RF IN THE FORM OF "REDLINES'. "REDLINES" SHALL REFER TO THE CONTRACTOR'S HAND ANNOTATIONS USING RED COLORED PEN/PENCIL TO DEPICT ACTUAL CHANGF, SUBSTITUTION, OR CONDITION. PRIOR 10 CONT RmACT OR REQUES 11NG PART IAL OR F U LL PAYMENT, CONTRACTOR SHALL PROVIDE THE OWNER WITH AN UP-TO-DATE CONTRACTOR'S RECORD DRAWING. SPECIFICALLY, THIS SET OF PLANS, ISSUED TO THE CONTRACTOR AS FINAL CONSTRUCTION DRAWINGS, SHALL BEAR THE "REDLINE" MARKINGS LISTED BELOW AS WELL AS THE CONTRACTOR (AGENT OR SUPERINTENDENT) SIGNATURE AND CERTIFICATION BELOW: • REDLINES SHOULD ALWAYS BE ACCURATE NEAT, LEGIBLE, DATED AND REASONABLY SCALED Ann I AFPr.F RF17) I F"TTFRq Tn TITI F �HFFT WITH 'C'.ONITRA(Tn R'-, PFt`npn 1)IRAWIN(;' INCLUDING CONTRACTOR'S NAME, DATE, AND OTHER RELEVANT INFORMATION • CONTRACTOR'S REPRESENTATIVE OR SUPERINTENDENT SHALL INITIAL EACH SHEET. IF A SHEET HAS NOT BEEN CHANGED AT ALL OR NO MARK HAS BEEN ADDED, LABEL THE SHEET ONLY 'NO CHANGES' • IF A SHEET HAS BEEN CHANGED OR MODIFICATIONS HAVE BEEN ADDED, LABEL IT 'REVISED' • USE WRITTEN EXPLANATION TO DESCRIBE CHANGES. REFER TO SPECIFIC ACTIONS INSTEAD OF REFERENCING CHANGE ORDER NUMBERS OR RELATED DOCUMENTS • USE CLEAR LETTERING • NEVER REMOVE OLD VALUES OR DETAILS, JUST REDLINE OR "X' THROUGH THEM. IF THERE IS NO R00h,A FOR THE NEW VA VALUE, YOU CAN GO TO THE SIDE AND REDI. INN THE REPLACEMENT VALUE_ • PROVIDE THE REDLINE DETAILS OF CHANGES OR ADDITIONAL INFORMATION, INCLUDING oUT IVOT LIMITEDIII O FAORiCATION, ERECT;O"ti, I"JSTALLATIOIVI, LOCATIO r, SIZI VG, MATERIAL, DIMENSION„ ADDITIONS, RELOCATIONS, SUBSTITUTIONS, ETC • BE SPECIFIC WHEN MAKING NOTES TO UNDERGROUND UTILITIES, SHOWING EXACT LOCATION„ DEPTH, AND MATERIAL USED (EXAMPLE: SEWER LATERALS) • PROVIDE ALL NECESSARY INFORMATION OF CONTRACTOR'S DESIGNED SYSTEMS OR SUBSTITUTIONS • CROSS OUT ANY FLAN REFERENCE TO "APPROVED EQUAL" AND REPLACE WITH ANY -r-.r rl\ rr-. r-. tlAT1l1\! r-.r 4 AnlA Alnr 1If`.rA AI If11\1/A THE CONSTRUCTION P1A Y�Th A A PROCESS /1 rr-. e"• SPECIFIC INFORMATION O V'ARiAI ICE USED UURIINIG HE CONS RUCTION I -'ROC ESE All rl"4T rl r, IATIAAIa^ l+rlA l'1r Iil1 ral1AT1l1A lr^ AI CY I'1rr AA In f1r1 ATrn • !Ad . I l .i"IAI- [GES IN 1AIV'E 1 F! i` VHI I )INISI kGRA10F M-0 IF ICA 101 ISS �11 1IPPS AND MRF HI FD INFORMATION ON PIPING UTILITIES, EARTHWORK, ETC. SHALL BE REDUNED. • RECORD ALL UNEXPECTED OBSTRUCTIONS, COMPLICATING FACTORS, UNSUITABLE CONDITIONS FOUND IN THE PROJECT AREA INCLUDING ROCK, UNUSUAL TOPSOIL CONDITIONS, BURIED DEBRIS, ETC. • ATTACH OR INCLUDE ANY SHOW DRAWINGS OR SUPPLEMENTAL INFORMATION TO THE CONTRACTOR'S RECORD DRAWING CHANGES MADE AS A RESUI T OF ANY I=+'_EGI_II ATORY OR OWNER INSPECTION PR4]CESS CERTIFICATION STATEMENT: HIS HAND -MARKED SET OF DRAWINGS HAS BEEN REDLINED O PROVIDE ACCURATE T R T DETAILED RECORD OF ANY SUBSTANTIVE CHANGES TO THE APPROVED DESIGN DRAWINGS. ANY ITEM NOT "REDLINED' ON THIS PLAN SET OR SUBSEQUENT PAGES SHOULD BE CONSIDERED TO BE CONSTRUCTED IN ACCORDANCE WITH THE DESIGN AS SHOWN". NAM E TITLE DATE FOR: ____----- - -- `------------u-----_---.------ (CONTRACTOR) 11 A a z 0Q,J zQ© CL � i5 1� c 7 C] Q; ICI J Z III I I V 1 fl n. w. I I z aco III I_CLu I i -Jz T_<N r y T t < = I? c (3L err' III © U) tiJ UJ a 1A a: p R 9 4w 5;9 Lu cv co Q r 11J 0 IL I I 11I.,� Iillll i1�I��IIIIII Ic4iilu: '_ji I i I I I w co �a w. C� i1� I111I ill I ILUI I I I I III II..i�lil1 11 chi w I Dill Till 11 'DF L. / NAGGART l 22841��A71n �O n a 10NAI. z i a. i1 J nll Ii II <_ I 1 I— z 0 I ttQ W CL z II�+ z ] CA LU LJJ 0 Q z o z 4 II 0 I VJ 0 cr W I f1h TC. I 'R!1 I I uA ,cuf_%j SCALE- ASiSHOWN I I JOB#: 119.1164 I CONTOUR INTERVAL: NIA SHEET.1 OF 6 I� w U W = rn� NN(Q N zm Z) �- ¢�o III III °U I J-J �> < 7L 4y w w V� OON ¢�N Q_ <�o III ! a�4 ~� w z 0 a: x 0� a o act UON 4w Zz9 Ll! 'K co O a h rn ~ V Nw I� Tol 2 111�lIllil III �IIIIII W IIZ I�IIIIII 11�11�111111 III I11111 Ilfl�llllll 0 T D Z dF ply, � JIMMY L. TAGGART Lic. No. A 4 ,Qn 22841� - S��v SIONAL to i I z n_ a Q V� o� � IC\j zU � `CV�Z �- � s Z �z� Q CC w j _ <s0m II � 8 � I��� w��IL I c� � � a�Y� v z� z II � o� w DATE: 04-20-2020 SCALE:_ AS SHOWN JOB#: 19.1164 CONTOUR INTERVAL:4 FT I SHEET: 2 uF 6 j L L ALBEMARLE GIS I CRITICAL SLOPES SEDIMENT TRAP 18' WIDE RIPRAP OUTLET (CLASS I RIPRAP) L DRAINAGE AREA TO ST=2,56AC �i to �r 00 _ _ _aa aa- fa _ant LIMITS OF DIS I UIKCDH114L r_ �J Pwq rE QL_ IN 'N L�VL M trlLl\LJ! am D) Men aft 4ft �tS � TOPSOIL _ r STOCKPILE r r (TS NY� \ •4P S) -- `•. `� i`f r t t t � t r r r r t CONSTRUCTION ROAD TO BE STABILIZED WTIH VD❑T #57 STONE OR SIMILAR VD❑T CQARSF AGGREGATE AND SPRAYED WITH ri ATCR AS NECF�..Ci.�inR I iN ❑RDER Tu REDUCE DUST 5ATE I I TEMPORARY SEDIMENT TRAP CALCULATIONS Drainage Area= 2.56 acres STAGE -STORAGE REPORT ELEV(FT) STORAGE (CF) STORAGE (CY) AREA(SF) Design Volumes: 674 0 0 1700 Wet Storage- 675 1813 67 1928 M nimum Volume Req'd. = 67 cy * 2.56 acres _ 172 cy 676 3857 142 2164 Available Basin Volume Prov'd. = 227 cy @ 677.00 Dry Storage_ 677 6141 227 2407 Volume Req'd. = 67 cy * 2.56 acres = 172 cy 67B 8799 325 2916 CMinimum Available Basin Volume Proved. = 216 cy @ 679.00 679 11979 443 3453 Design Elevations: Top of Berm r 680.00 Design Dimsenions: Berm Width 4.5' Weir Elev = 677.00 amLength: Base Dimension: 132' x 361(Long Side at Dam) Weir Width = 16' Wet Storage Sank Slope: 1:1 Floor Elev — 674.00 Dry Storage Sank Slope: 2:1 Sediment Cleanout Elev = 675.5 4*- -_ i/ -EROSION & SEDIMENT CONTROL LEGEND E G,02 CONSTRUCTION ENTRANCE j 3,05X X X SILT FENCE 7'b TEMPORARY Tl 1 I� � nrrrnc+rn>.1 1l 1l r r iii V r_m,JIUN DIKE (-I CAhl ti..��n11 Uw ©� WATER DIVERSION ❑P 3,18 D OUTLET PROTECTION nSR F3, 2 1) nSR SURFACE ROUGHENING S D D rT,,) T S SEDIMENT TRAP TEMPORARY SEEDING pCC►MAKIrKIT 4U'rnrh1f: l-� ■ F - 1 4.Fi 1.11-111L11 I VLLJ,//,11U mr / r .16 of IcT rnNTPnl CONSTRUCTION ROAD STABILIZATI❑N TrITAI nVCTI IdUC-n ADCA = 0 00 Af DCC` I I LS 1 mt__ 1J1l.] 1 UI\17L_.i! r11\Lrl L,UL rILANL-J 1 %RAW v w 11 I `-J '0 " iuCIO)CM r NCMm -� C4 0 Q:Z) �� I v >(n$ f sty WWLU r LU 1 r%144 V wj LU o b u- ON wav 4W Z® 0 0Q r.. �yy�m �NLU r ti G 0 �� f_- - .A JIMMY L. TAGGART Lic. No. �. 22841 0 '�ta�-20-2061:0_ NU _'Y10NAL Y'y_rr G va �C I — C Ir 0 w z CD �01z: Q �1 Coal z w 0 C/) �: z a W Qz�e� 0 V w AMA Lwj Q ft w DATE: 04-20-2020 SCALE: AS SHOWN 1 IflDiff• 110 '1'1 "A I Jk_.Jl.iyi CQ_NTOl1R INTERVAL:4 FT SHEET: 3 OF 6 r, T PRIOR TO CONSTRUCTION i . D'1nr'NER SHALL Pus T SURE rT BONDS FOR CONSTRUU I IUN, EROSION & SEDIMENT CONTROL. 2. CONTRACTOR SHALL OBTAIN PERMITS TO WORK WITHIN STATE RIGHT-OF-WAY (VDOT LAND -USE PERMIT). BONDING FOR WORK WITHIN THE VDOT RIGHT-OF-WAY MAY BE REQUIRED TO OBTAIN THE PERMIT. 3. CONTRACTOR SHALL COORDINATE WITH OWNER TO OBTAIN VSMP PERMI I S, AS REQUIRED BY THE STATE DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ). 4. CONTRACTOR SHALL OBTAIN LAND DISTURBANCE PERMIT FROM THE r f)l 1KITY OF ALBEMARLE PRIOR Tn DEGlklkliNG rInkloTDI If•TInAI v J I vNvL I IUIY. 5. A PRE -CONSTRUCTION MEETING WITH THE ENGINEER. THE CERTIFIED LAND DISTURBER, AND THE ENVIRONMENTAL INSPECTOR MAY ALSO BE REQUIRED. ALLOW 72 HOURS FOR COORDINATION AND SCHEDULING OF PRE -CONSTRUCTION MEETING. C. AREA OF FOREST/OPEN SPACE SHALL BE DEMARCATED (FENCED -OFF) PRIOR TO ANY LAND DISTURBING ACTIVITIES, PRQJECT DESCRIPTION THIS PROJECT PROPOSES TO GRADE APPROXIMATELY 3 ACRES OF PASTURE ON AGRICULTURAL LAND TO PROVIDE EASE OF ACCESS FOR LIVESTOCK AND EQUIPMENT. FOLLOWING GRADING OPERATIONS, THE LAND `vyl BE SEEDED AND ALLOWED TO RETURN TO PASTURE. EXISTING SITE QONDITIONS THIS LOT CONSISTS OF APPROXIMATELY 73.94 ACRES OF VACANT GENTLE TO STEEPLY SLOPING AGRICULTURAL PASTURE LAND THAT DRAINS TO AN EXISTING CREEK AND POND IN THE CENTER OF THE PROPERTY. A CREEK FLOWS FROM THE POND IN A NORTHERN DIRECTION THROUGH TH nnnnrn-ry E rrtVrLrtI1. ADJACENT AREAS THE RESIDENTIAL LOT IS ROUND RY AD.I.ACENT AGRICI I Tc fRAI I ANn ANn SINGLE FAMILY RESIDENTIAL PROPERTY, THE PARCEL IS FRONTED TO THE SOUTH BY STATE ROUTE 637 (DICK WOODS ROAD), THERE IS AN EXISTING CREEK ON THE NORTHERN BORDER OF THE PROPERTY. Rigl0a 5. MULCH (3.35) - PLANT RESIDUES OR OTHER SUITABLE MATERIALS SHALL BE APPLIED TO DISTURBED SURFACES TO PREVENT EROSION AND REDUCE OVERLAND FLOW VELOCITIES. THIS PRACTICE SHOULD BE APPLIED TO ALL SEEDING OPERATIONS, OTHER PLANT R E MATERIALS WHICH DO NOT PROVIDE ADEQUATE SOIL PROTECTION BY THEMSELVES, AND BARE AREAS WHICH CANNOT BE SEEDED DUE TO THE SEASON BUT WHICH STILL NEED PROTECTION TO PREVENT SOIL LOSS. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON SLOPES IF STRAW IS TO BE USED. 6. - DUST CONTROL METHODS MUST BE USED TO REDUCE THE AMOUNT OF AIRBORNE DUST DURING ALL PHASES OF CONSTRUCTION WHERE SOIL IS EXPOSED OR DISTURBED. MANAGEMENT STRATEGIES 1. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING vPEIDirlI IVI`'lS CAI.' BEGI V ►A'VII"ID EI:ID AS QUICKLY AS POSSIBLE. 2. THE CONSTRUCTION ENTRANCE AND PERIMETER EROSION CONTROL MEASURES SUCH SILT FENCE SHALL BE INSTALLED AS THE FIRST STEP OF DISTURBANCE. 3. THE SEDIMENT TRAP MEASURE SHALL BE INSTALLED WITH PERIMETER SILT FENCE PRIOR TO ANY GRADING AND SHALL BE SEEDED AND MULCHED IMMEDIATELY FOLLOWING INSTALLATION. 4. THE SEDIMENT TRAP SHALL BE CHECKED FOR SEDIMENT ACCUMULATION AFTER EVERY RUNOFF PRODUCING STORM EVENT. .C�EDIMEI.'T c.7HOULD aL RLII/IVVED WHCN IT REACHE,j ONE-HALF OF THE DESIGN VOLUME OF THE WET STORAGE. 5. TEMPORARY SEEDING OR OTHER STABILIZATION METHODS. SUCH RE AS BASE AGGREGATE WILL FOLLOW IMMEDIATELY AFTER ACHING FINAL GRADES, N. OFF -SITE AREAS ANY FILL BROUGHT FROM OFF -SITE SHALL BE VISIBLY INSPECTED BY THE CONTRACTOR TO ENSURE THE FTII IS CLFA.N ANn FREE FRnM CONTAMINATION. ANY FILL THAT CONTAINS DEBRIS OR CONTAMINATION 7 SHOULD BE TURNED AWAY AND DISPOSED OF IN AN AREA APPROVED BY ALBEMARLE COUNTY. gn1i cz - -A HE LOAM.T SLOPE2 HYDROLOGIC SOIL GROUP B. SOMEWHAT STEEP SLOPING AND SOMEWHAT EXCESSIVELY DRAINED, STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSIST OF LOAM, SANDY LOAM, AND BEDROCK, PERMEABILITY IS VERY LOW TO HIGH WHILE AVAILABLE WATER CAPACITY IS LOW, SURFACE RUNOFF IS MEDIUM, HAZARD OF EROSION IS MODERATE. jtAA-1-IAYF q\lII I 1 r lAU `7 Tn 7 1.:�1- Q( !: A`T CI nQrC HYDROLOGIC SOIL GROUP B, GRADUAL SLOPING AND WELL DRAINED, STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSISTS OF LOAM, CLAY, SANDY CLAY LOAM, AND FINE SANDY CLAY LOAM, PERMEABILITY IS MODERATELY HIGH TO HIGH WHILE AVAILABLE WATER CAPACITY IS HIGH, SURFACE RUNOFF IS MEDIUM, HAZARD OF EROSION IS SLIGHT. 36C-HAYESVI'LLE LOAM, 7 TO 15 PERCENT HYDROLOGIC SOIL GROUP B, MODERATE SLOPING, STARTING AT SURFACE I AYER TO 5l IRSTRATI IM final I AYPPI:4 trflNSl'ST nF I DAM, Ci AYE gANnY CLAY LOAM, AND FINE SANDY LOAM, PERMEABILITY IS MODERATELY HIGH Tn Wlr-'W WWII Cr ❑1lAII API P' WATCD 1`ADA(sITV IC I..IIf'_lU CI IDDArsr DI 1AIrlCC Lc v ..y 'I.,.-- _►r�ltrluuti 11- 1-1• % r_j r %r i I 1 Ila 1 11V1 I, lawim ml L- INurlq'VI I I,; MEDIUM, HAZARD OF EROSION IS SLIGHT. 66E-PARKER VERY STONY LOAM, 2T� 45 PERCENT SLOPES HYDROLOGIC SOIL GROUP A, STEEPLY SLOPING AND EXCESSIVELY DRAINED, STARTING AT SURFACE LAYER TO SUBSTRATUM, SOIL LAYERS CONSIST OF EXTREMELY STONY LOAM, EXTREMELY COBBLY LOAM, STONY SANDY LOAM, BEDROCK, PERMEABILITY IS MODERATELY HIGH TO HIGH WHILE AVAILABLE WATER CAPACITY IS LOW, SURFACE RUNOFF IS MEDIUM. a QQ-AAFAflf'1WVI1 I F I nAkA ') Tr)7 PPP F'NT CI nPPZ HYDROLOGIC SOIL GROUP A, GRADUAL SLOPING AND WELL DRAINED, STARTING AT SURFACE LAY ER TO SUBSTRATUI!I, SOIL LAY ERS CONE .- OF LOAM, PERMEABILITY IS MODERATELY HIGH TO HIGH WHILE AVAILABLE WATER CAPACITY IS HIGH, SURFACE RUNOFF IS LOW, HAZARD OF EROSION IS SLIGHT. CRITICAL SLOPES CRITICAL SLOPES EXIST AS SHOWN ON THIS PLAN STRUCTURAL PRACTICES 1. TEMPORARY CONSTR=IQU ENTRANCE (3.= - A TEMPORARY CONSTRUCTION ENTRANCE SHALL BE INSTALLED AT THE ENTRANCE TO THE LIMITS OF DISTURBANCE AS SHOWN ON THE EROSION AND SEDIMENT CONTROL PLAN. 2. SILT FENCE B - ARRIER (3.C15} SILT FENCE BARRIERS WILL BE INSTALLED TO FILTER RUNOFF FROM SHEET FLOW AS INDICATED ON THE EROSION AND SEDIMENT CONTROL PLAN. 3. 1DIYERSION (3,12) - A DIVERSION CHANNEL TU UlKtCT I Ht F LUW OF STORM RUNOFF INTO THE SEDIMENT TRAPS WILL BE INSTALLED AS SHOWN ON THE EROSION AND SEDIMENT CONTROL PLAN. 4. EMP RY SEDIMENT TRAP 3.1 � - T A 3 A P 4R TEMPORARY SEDIMENT TRAP IS TO BE CONSTRUCTED IN CONJUNCTION WITH CULVERT INLET PROTECTION. CALCULATIONS FOR THE SEDIMENT TRAP ARE SHOWN ON THE EROSION AND SEDIMENT PLAN SHEET. VEGETATIVE PRACTICES 1. SURFACE ROUGHENING i3.29i - ALL AREAS WITH A GRADE STEEPER THAN 3:1 SHALL BE STAIR -STEP GRADED OR GROOVED (PLATE 3,29-4) TO AID IN GRASS ESTABLISHMENT, INCREASE INFILTRATION, AND TO SLOW RUNOFF VELOCITIES. n rfZ nr+n1l 1►efw e_ rTn .�I, Avll lain (I �n" r..o�s...Il L. I UESOILING & D I UCKPILING (I U" - l UrZ)UlL WILL BE S I KIrr LU FROM AREAS TO BE GRADED AND STOCKPILED FOR LATER USE. STOCKPILES ARE TO BE STABILIZED WITH TEMPORARY VEGETATION OR TO HAVE SILT FENCE INSTALLED ALONG THE LOWER PERIMETER TO PROTECT DOWNSTREAM AREAS, 3. - AREAS NOT BROUGHT TO FINAL GRADE Agin ■ nrn1AA1 fA,t" , ■f1f1t TI 1 ■ a l J . IA Ill- -1 . FOR A P"ERIVU Ur MORE THAN 14 UATJ Zr1ALL UL STABILIZED WITH A TEMPORARY SEED MIXTURE ACCEPTABLE FOR THAT TIME OF YEAR. CRIMPING, PUNCH ROLLER -TYPE ROLLERS, OR TRACK WALKING MAY BE USITD T(D INCORPORATE .RTRAW MI AIrH INTn THE SOIL ON SLOPES IF STRAW IS TO BE USED. 4. PERMANENT SEEDING (3,32) - AREAS BROUGHT TO FINAL GRADE OR THOSE CONSTRUCTION AREAS THAT WILL REMAIN DORMANT FOR YEAR OR MARE SHALL BE STABILIZED WITH A PERMANENT SEED MIXTURE ACCEPTABLE TO THAT TIME OF YEAR. PREPARE SURFACE WITH APPROVED TREATMENT AND ADDITIVES PRIOR TO APPLYING \� ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED TO ESTABLISH GROWTH, THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE ,NS 1 ALLA1 IUN AND MAINTE NANCE OF ALL EROSION AND SEDiMEivT CONTROL PRACTICES. 8. DURING FINE GRADING OPERATIONS, MAINTAIN ALL DIVERSION DITCHES TO THE SEDIMENT TRAP. THE SEDIMENT TRAP SHALL REMAIN FUNCTIONAL THROUGHOUT CONSTRUCTION, AFTER BEING NOTIFIED BY THE EROSION AND SEDIMENT CONTROL ADMINISTRATOR, THE TEMPORARY EROSION AND SEDIMENT CONTROLS CAN BE CLEANED UP OR REMOVED, AND THE SEDIMENT TRAP CAN BE FILLED IN AND SEEDED FOR SITE STABILIZATION. DCDLlAAICAIT CTA ONI ITATIf1Al fy_FNm '11'ILI`U I J If9171L2^IIV1V ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH r+r r■ - n ---- .1 11 .l a-,-r-1 1. DIMAW & JttU IMMLUTAItLT f-ULLUWING FINISHED GRADt. SEEDING SHALL BE DONE WITH KENTUCKY 31 TALL FESCUE IN ACCORDANCE TO STANDARD AND SPECIFICATION 3.32, PERMANENT SEEDING, OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. ANY FERTILIZER AND LIME APPLICATIONS SHALL BE IN ACCORDANCE WITH SOIL TEST RESULTS. ALL SEEDED AREAS WILL BE STRAW MULCHED TO PROTECT AGAINST RILL EROSION AND TO PRESERVE SOIL MOISTURE THAT WILL rHiu".ICL SLED GERMiNATIVIv. CRIMPIIG, PUivCH ROLLER- T PE ROLLERS, OR TRACK WALKING MAY BE USED TO INCORPORATE STRAW MULCH INTO THE SOIL ON SLOPES IF STRAW IS TO BE USED. EROSION CONTROL MAINTENANCE A A Cal P\rilrl�al 11 . IIY Utl*I L, ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. THE FOLLOWING ITEMS WILL BE CHECKED IN PARTICULAR: 12. THE CONSTRUCTION ENTRANCE SHALL BE CHECKED DAILY FOR SOIL BUILDUP. IF THE ENTRANCE BECOMES CLOGGED WITH SOIL AND FAILS TO PREVENT THE TRANSPORTATION OF SOIL ONTO THE ROAD►.AY, ADDI I iVIAML S I OIvE, REPLAi,EMEINI 1 OF S T ONE, OR A WASH -RACK MAY BE REQUIRED. 13. SILT FENCE SHALL BE INSPECTED IMMEIDIATFI Y AFTFR EACH RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL, CLOSE ATTENTION SHALL BE PAID TO THE REPAIR OF DAMAGED SILT FENCE RESULTING FROM END RUNS AND UNDERCUTTING. SHOULD THE FABRIC ON A SILT FENCE DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END OF THE EXPECTED USABLE LIFE AND THE BARRIER STILL BE NECESSARY, THE FABRIC SHALL BE REPLACED PROMPTLY. SEDIMENT DEPOSITS SHOULD BE REMOVED AFTER EACH STORM EVENT. THEY MUST BE REMOVED WHEN nrrinC'ITC nr-A" I AMMMAl1VIAAArr-1 \, f\LII I I a I r r11r 11r1r111r - - Ir UCrVJD 1a I`NLM%.rl Mr-r-RUAIMMILLT VIVL-1"IALr IHE ritllsrll Or Ina BARRIER. ANY SEDIMENT DEPOSITS REMAINING IN PLACE -AFTER - HE SILI FENCE IS NO LONGER REQUIKLU SHALL BE UHL55ED TO CONFORM WITH THE EXISTING GRADE, PREPARED, AND SEEDED. 14. DIVERSION DIKES SHALL BE INSPECTED AFTER EVERY STORM AND REPAIRS MADE TO THE DIKE, FLOW CHANNEL, OUTLET, OR SEDIMENT TRAPPING FACILITY AS NECESSARY. ONCE EVERY TWO WEEKS, WHETHER A STORM EVENT HAS OCCURRED OR NOT, THE MEASURE SHALL BE INSPECTED AND REPAIRS MADE IF NEEDED. DAMAGES CAUSED BY CONSTRUCTION TRAFFIC OR OTHER ACTIVITY MUST BE REPAIRED BEFORE THE END OF EACH WORKING DAY. 15. STORMWATER CONVEYANCE CHANNELS (WHERE APPLICABLE): 15.1. GRASS LINED CHANNELS - DURING THE INITIAL ESTABLISHMENT, GRA SS LINED CHANNELS SHOULD BE REPAIRED IMMEDIATELY AND RE-ESTABLISHED IF NECESSARY. AFTER GRASS HAS BECOME ESTABLISHED, THE CHANNEL SHOULD BE CHECKED PERIODICALLY TO DETERMINE IF THE GRASS IS WITHSTANDING FLOW VELOCITIES WITHOUT DAMAGE. IF THE CHANNEL IS TO BE MOWED, IT SHOULD BE DONE IN A MANNER THAT IT WILL NOT DAMAGE THE GRASS. 15.2. RIPRAP-LINED CHANNFI S - RIPRAP LINED CHANNELS SHnlll n BE CHECKED PERIODICALLY TO ENSURE THE SCOUR IS NOT nr r_i iPPiNf^ BFIUr'ATW PAPPir I INf1PD1 IAIIAIf` nP TIJC DIDDAD mull.- -.---.--..-I"-V1 1I iL r ." I\rlr LAYER. THY~ CHANNEL SHOULD ALSO BE CHECKED TO DETERMINE THE STONES ARE NOT DISLODGED BY LARGE FLOWS. 15.3.IF SEDIMENT IS DEPOSITED IN A GRASS -LINED CHANNEL, IT SHOULD BE REMOVED PROMPTLY TO PREVENT DAMAGE TO THE GRASS. SEDIMENT DEPOSITED IN A RIPRAP CHANNEL SHOULD BE REMOVED WHEN IT REDUCES THE CAPACITY OF THE CHANNEL. 16. CHECK DAMS (WHERE APPLICABLE): SHALL BE CHECKED FOR SEfiIAAEASEIT Af'`r[ IAAI II ATIOKI ArT=D rX/r .rY Pl IKItW1= DDf)nl I('IhIr1_ 4ZTrl%QL! y Vv1T1VaJ .IIyIT F71 1 Vr\ I-►LI11 IaVI"' 1 1 I\1dVyV"" JI"""' EVENT. DIMENT SHOULD BE REMOVED WHEN IT REACHES vi4v HALF OF THE vux v ll,4m HEIGHT OF THE MEASURE. REGULAR INSPECTIONS SHALL BE MADE TO INSURE THE CENTER OF EACH DAM IS LOWER THAN THE EDGES. EROSION CAUSED BY HIGH FLAWS AROUND THE EDGES of THE DAM SHOULD BE CORRECTED IMMEDIATELY. 17. THE EARTHEN EMBANKMENTS SHALL BE CHECKED REGULARLY TO ENSURE THAT IT IS STRUCTURALLY SOUND AND HAS NOT BEEN DAMAGED BY EROSION OR CONSTRUCTION EQUIPMENT. 18. THE STORMWATER MANAGEMENT FACILITIES SHOULD BE CHECKED REGULARLY BY THE HOMEOWNERS ASSOCIATIONS TO ENSURE THAT THEY ARE STRUCTURALLY SOUND AND HAVE NUT BEEN DAMAGED BY EROSION. 19. THE EMERGENCY SPILLWAY SHALL BE CHECKED REGULARLY TO ENSURE THAT ITS LINING IS WELL ESTABLISHED AND EROSION RESISTANT. GRASS SHALL BE KEPT MOWN BELOW A HEIGHT OF 15" AND THE OUTLET SHOULD BE CHECKED FOR CLOGGING, 20. THE DAM SECTION SHALL BE KEPT FREE OF SAPLINGS OR T REES.(REFER TO THE ADDITIONAL MAINTENANCE SPECIFICATIONS) 21, ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RE -SEEDED AS NEEDED. IN THE EVENT THAT THE APPLIED SEEDING FAILS TO TAKE HOLD, BLANKET MATTING SHALL BE PLACED IN APPROPRIATE AREAS DEEMED NECESSARY BY THE ENGINEER OR LKUNUN CON I RUL INSPECTOR. ES QUEI�CE OF CONSTRUCTION 1. AFTFR ORTAININr. At.I RFQlIIPFf) PERMITS THE CONTRACTOR -W- AI COORDINATE A PRE -CONSTRUCTION MEETING, ALLOWING 72 HOURS FOR ITS COORDINATION, 2. INSTALL CONSTRUCTION ENTRANCE OFF OF DICK WOODS ROAD. 2.1. SHOULD THE TEMPORARY CONSTRUCTION ENTRANCE NOT BE MAINTAINED PROPERLY OR AN EXCESSIVE AMOUNT OF SOIL FOUND TRACKED ONTO TH -- - - - -- _ E PUBLIC ROADWAY, THEN A PAVED CUNSTRI.ICTiUIV ENTRANCE, WATER TANKER TRUCK WITH TWO (2) PRFSSl1RF WASI-IFRS AND A SFTTI INr: APPA MAY BF PrQI IIRtr n BY THE EROSION AND SEDIMENT CONTROL PROGRAM An AA I AI I CTPATnD ra.TIIIT 1I--1. 3. CLEARING AND GRUBBING SHALL FIRST BE LIMITED TO THAT NECESSARY TO INSTALL SILT FENCE, AND OTHER PERIMETER CONTROLS. ALL PERIMETER CONTROLS MUST BE MADE FUNCTIONAL PRIOR TO ANY UPSLOPE LAND DISTURBANCE THAT TAKES PLACE. 3.1. SII T FENCE SHAI I RF INSTAII Fn nN THE nrlWNHIII: clnE OF THE ACTIVE TRENCHING OPERATIONS. 4. PRIOR TO ADDITIONAL CLEARING AND GRUBBING, THE CONTRACTOR SHALL COORDINATE INSPECTIONS, AS REQUIRED BY THE COUNTY Orr Al PrLAADI r vl r1�uI�1T1AiI 1a_a_. 5. CLEAR AND GRUB THE REMAINDER OF PROJECT AREA. 5.1. THE LAND DISTURBANCE SHALL BE RESTRICTED TO THE LIMITS OF DISTURBANCE SHOWN IN THE APPROVED EROSION CONTROL PLANS. 5.2. THESE LIMITS ARE CONFINED TO THE PROPERTY BOUNDARIES .�-i H v.r�A. N HLRT=ON THIS PLAI:1. 6. STOCKPILE TOPSOIL WITHIN AN AREA ON THE PROPERTY OR A LOCATION APPROVED BY ALBEMARLE COUNTY COMMUNITY DEVELOPMENT. INSTALL SILT FENCE AT THE PERIMETER OF STOCKPILE(S) AS NECESSARY. 7. DENUDED AREAS SHALL DRAIN TO AN APPROVED EROSION CONTROL MEASURE AT ALL TIMES DURING CONSTRUCTION. R P;7PUANDNT nD Tr7LADnPARY Cnil CTADII I7ATInhI CUAI I Dr ADDI ICn ._11.nrrr. -1 VI1 1_,►u V1\rl1♦i JVIL JIr7LJIL..1 Lr'1 I IVY\ JI lr1L1_ L]L f"1r I-LIGL/ TO ALL DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON A10 POR 11014 OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FUR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 9. LIME, FERTILIZE AND APPLY TEMPORARY OR PERMANENT SEEDING TO ALL DENUDED AREAS IMMEDIATELY AFTER ACHIEVING FINAL GRADES. 1f1 Al I PDDUAAICKIT Cl r1DrQ CTDCDCG TUAhI Z.1 CUAI I DCrCnlr I r... ZVV 1 1_I Alvl FILJT I ./y.%J1 L-If JI L.LI "IN I l lr,%l1 J. I .31 1114.L- 114L►.L_IYL STABILIZATION WITH LANDSCAPING VEGETATION HARDIER THAN GRASS, 'vvHiCH '"ILL NOT REQUIRE MOWING. 11. AFTER PROPOSED CONSTRUCTION' IS COMPLETED AND THE SITE IS COMPLETELY STABILIZED, PERMISSION IS TO BE OBTAINED FROM THE EROSION CONTROL INSPECTOR FOR THE REMOVAL OF SILT FENCING AND OTHER REMAINING TEMPORARY EROSION CONTROL MEASURES. T CONTROL MINIMUM 1. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT FOR LONGER THAN 14 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. CONTRACTOR SHALL ESTABLISH A STABILIZED SITE, AND NOT ALLOW ANY SEDIMENT TO EXIT THE PROJECT LIMITS. 2. DURI".G CUl:15TRUCTIO": OF I HE IDRUJECT, SOIL STOCKPILES A1114U BORROW AREAS SHALL BE STABILIZED OR PROTECTED WITH _ SED1MEIv I TRAPPING MEASURES. THE APPLICANT IS RESPONSIBLt FOR THE TEMPORARY PROTECTION AND PERMANENT STABILIZATION OF A I STOCKPILES ALL SOIL S OG LES ON SITE AS WELLA R S BORROW AREAS AND SOIL INTENTIONALLY TRANSPORTED FROM THE PROJECT SITE. CONTRACTOR TO PROTECT STOCKPILE AREAS WITH SILT FENCE. 3. A PERMANENT VEGETATIVE COVER SHALL BE ESTABLISHED ON DENUDED AREAS NOT OTHERWISE PERMANENTLY STABILIZED. PERMANENT VEGETATION SHALL NOT BE CONSIDERED ESTABLISHED UNTIL A GROUND COVER IS ACHIEVED THAT IS UNIFORM, MATURE ENOUGH TO SURVIVE AND WILL INHIBIT EROSION. CONT0v"CTOR SHALL ESTABLISH A VEGETATNVL- vv`r'ER OIN ALL vEI"iUDED AREAS. 4. SEDIMEIV 1 TRAPS, PERiMEri ER DIKES, SEDIMEN I ISARRItKZ) ANU OTHER MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP IN ANY LAND -DISTURBING ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. CONTRACTOR SHALL ESTABLISH THE PERIMETER CONTROLS OF SUPER SILT FENCE AS THE FIRST STEP OF THE LANDS DISTURBANCE FOR THIS PROJECT. 5. STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES AND DIVERSIONS IMMEDIATELY All! ER iiISTALL.ATivill. CONTRACTOR SHALL INSPECT EROSION CONTROL MEASURES AFTER EACH RAINFALL EVENT. 6. SEDIMENT TRAPS AND SEDIMENT BASINS SHALL BE DESIGNED AND CONSTRUCTED BASED UPON THE TOTAL DRAINAGE AREA TO BE SERVED BY THE TRAP OR BASIN. THERE ARE TWO SEDIMENT TRAP PROPOSED. A. THE MINIMUM STORAGE CAPACITY OF A SEDIMENT TRAP SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA AND THE TRAP SHALL ONLY CONTROL DRAINAGE AREAS LESS THAN THREE ACRES. B. SURFACE RUNOFF FROM DISTURBED AREAS THAT IS COMPRISED OF FLOW FROM DRAINAGE AREAS GREAI ER THAN OR EQUAL TO THREE ACRES SHALL BE C[DIVTROIIFD BY A SEDIMENT BASIN, TI-11= MINIMI JM STORAGE CAPACITY OF A SEDIMENT BASIN SHALL BE 134 CUBIC YARDS PER ACRE OF DRAINAGE AREA., THE OUTFACE SYSTEM' SHALL, AT A MINIMUM, MAINTAIN THE STRUCTURAL INTEGRITY OF THE BASIN DURING A 25-Y EAR STORM OF 24- H OUR DURATION. RUNOFF COEFFICIENTS USED IN RUNOFF CALCULATIONS SHALL CORRESPOND TO A BARE EARTH CONDITION OR THOSE CONDITIONS EXPECTED TO EXIST WHILE THE SEDIMENT BASIN IS UTILIZED. 7. CUT AND FILL SLOPES SHALL BE DESIGNED AND CONSTRUCTED IN A MANNER THAT TO BE EWILL MINIMI7F FROONSI nPESTHAT RF Fnl INn. A RODING EXCESSIVELY WITHIN ONE YEAR OF PERMANENT STAblLILAIlUN SHALL BE PROVIDED WITH ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECTED.THERE ARE NO PROPOSED CUT OR FILL SLOPES. HOWEVER, THE CONTRACTOR' IS TO RESTORE THE PROJECT AREA TO EXISTING GRADE. IF THE AREAS WITH NATURALLY STEEP SLOPES ARE FOUND TO BE ERODING EXCESSIVELY AFTER ONE YEAR, CONTRACTOR IS TO PROVIDE ADDITIONAL SLOPE STABILIZING MEASURES UNTIL THE PROBLEM IS CORRECIED. 8. CONCENTRATED RUNOFF SHALL NOT FLOW DOWN CUT OR FILL SLOPES UNLESS CONTAINED WITHIN AN ADEQUATE TEMPORARY OR PERMANENT CHANNEL_, FI [DMF nR SI OPE DRAIN STRUCTURE. MAXIMIZE SHEETFLOW AND GROUNDWATER INFILTRATION 9. WHENEVER WATER SEEPS FROM A SLOPE FACE, ADEQUATE DRAINAGE OR OTHER P ROTECTION SHAL L BE PROVIDED.CONTRACTOR TO NOTIFY ENGINEER AND COUNTY EROSION CONTROL INSPECTOR. 10. ALL STORM SEWER INLETS THAT ARE MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO THAT SEDIMENT -LADEN WATER CANNOT ENTER TINE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE TREATED TO REMOVE ["I-All►lr►ITrI Ir-rlr- Ar%r- L611 ftiTr1 La r+1-r6-1- JLU1ML1v 1 . I ntr%r- HITC Ilk)a I UNM Jr-Wr-rt INLL II S PRUPUSED. 11. BEFORE NEWLY CONSTRUCTED STORMWATER CONVEYANCE CHANNELS OR PIPES ARE MADE OPERATIONAL, ADEQUATE OUTLET PROTECTION AND ANY REQUIRED TEMPORARY OR PERMANENT f.HANNI-I I ININ� v SHALL BE INSTALLED IN BOTH THE CONVEYANCE CHANNEL AND RECEIVING CHANNEL.THERE ARE NO STORMWATER CONVEYANCE CHANNELS OR PIPES PROPOSED. 12. WHEN WORK IN A LIVE WATERCOURSE IS PERFORMED, PRECAUTIONS SHALL BE TAKEN TO MINIMIZE ENCROACHMENT, CONTROL SEDIMENT TRANSPORT AND STABILIZE THE WORK AREA TO THE GREATEST EXTENT POSSIBLE DURING CONSTRUCTION. NON-ERODIBIF MATERIAL SHALL BE USED FOR THE CONSTRUCTION OF CA_U_SEWAYS AND COFFERDAMS. EARTHEN FILL MAY Bt USED FDR IHESL STRUCTURES IF ARMORED BY NON -ERODIBLE COVER MATERIALS.CONTRACTOR SHALL FOLLOW THE VESCH CHAPTER 3.25 UTILITY STREAM CROSSING RFOIJIREMENTS MR THE TWn INTERMITTENT STREAM CROSSINGS. 13. WHEN A LIVE WATERCOURSE MUST BE CROSSED BY CONSTRUCTION VEHICLES MORE THAN TWICE IN ANY SIX-MONTH PERIOD, A TEMPORARY VE HICULAR EHICULAR STREAM CROSSING CONSTRUCTED OF NON -ERODIBLE MATERIAL SHALL BE PROVIDED. CONTRACTOR SHALL FOLLOW THE VESCH CHAPTER 3.25 UTILITY STREAM CROSSING REQUIREMENTS FOR THE TWO INTERMITTENT STREAM CROSSINGS_ 14_ ALL APPLICABLE FEDERAL, STATE AND LOCAL REQUIREMENTS I1rr1TAILlILIfN r^ LA-1-rrl- 1a1 AFti r'GfTlA11YIIVla I lJ 11I1[IISI'CIIVI� IN L liY S_RS 1.� IIV[v 11'1IF WA 1. EF1IrY11 lPi:ZL� SHALL BE MET.CONTRACTOR SHALL FOLLOW FOLLOW ALL APPLICABLE FEDERAL, STATE AND LOCAL REQUIREMENTS FOR THE TWO INTERMITTENT STREAM CROSSINGS. 15. THE BED AND BANKS OF A WATERCOURSE SHALL BE STABILIZED IMMEDIATELY AFTER WORK IN THE WATERCOURSE IS COMPLETED, CONTRACTOR SHALL FOLLOW THE VESCH CHAPTER 3.25 UTILITY STREAM CROSSING REQUIREMENTS FOR THE TWO INTERMITTENT STREAM CROSSINGS. __ __ 16. UivDERGRVUivD UTILITT LINES SHALL t3L IN,IALLLD IN AC;(;UKUANC:L WITH THE FOLLOWING STANDARDS IN ADDITION TO OT'R APPLICABLE CRITERIA: A. NO MORE THAN 500 LINEAR FELT OF TRENCH MAY BE npENEi,,1 AT ONE TIME, B. LAUAVAIEU MAIERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES. C. EFFLUENT FROM DEWATERING OPERATIONS SHALL BE FILTERED OR PASSED THROUGH AN APPROVED SEDIMENT TRAPPING DEVICE, OR BOTH, AND DISCHARGED IN A MANNER THAT DOES NOT ADVERSELY AFFECT FLOWING STREAMS OR OFF -SITE PROPERTY. D. MATERIAL USED FOR BACKFILLING TRENCHES SHALL BE PROPERLY PROPERLY /-r%L■rhArrr-11 IL1 .„nrr1 rA •l.l....LERS___ VoUIVIr-M,ILu INUINUr-1% IU MINIMIE UUN ANU PRUMUIL STABILIZATION. E. RE-W ABILILATIUN SHALL BE ACCOMPLISHED IN ACCORDANCE WITH THIS CHAPTER. F. APPLICABLE SAFETY REQUIREMENTS SHALL BE COMPLIED WITH.CONTRACTOR TO ADHERE TO THE APPLICABLE STANDARD FOR PRIVATE AND PUBLIC UTILITY INSTALLATION. 17. WHERE CONSTRUCTION VEHICLE ACCESS ROUTES INTERSECT PAVED OR PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY VEHICULAR TRACKING ONTO THE PAVED SURFACE, WHERE SEDIMENT IS TRANSPORTED ONTO A PAVED OR PUBLIC ROAD SURFACE,_ T_H_E ROAD _SURFA_C_E_ SHALL BE CLEAIvED I HORUUGHLT AT I HE ENU ur LAUH UAT. SLUIMLN I SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPORTED TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THIS PROVISION SHALL APPLY TO INDIVIDUAL DEVELOPMENT LOTS AS WELL AS TO LARGER LAND -DISTURBING ACTIVITIES.CONTRACTOR SHALL MAKE PROVISIONS TO KEEP ApJACEIVT ROADS CLEAN FROM SOIL BUILD-UP.. 18. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE VESCP AUTHORITY. TRAPIPIED rrr�lr NT I rt.vrr-r L � 1LIUlmL_ 1 AND i T -iE I .-. .,- EI __ AFrP,nS RI=Ci ii .- ---.- FROM FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION.CONTRACTOR SHALL STABILIZE SITE, AND OBTAIN INSPECTOR APPROVAL PRIOR TO REMOVING EC MEASURES. UPON APPROVAL OF THE ENVIRONMENTAL INSPECTOR, INSTALL INFILTRATION AREAS AND CONNECT ROOF DRAINS. 19. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE PROTECTED FROM SEDIMENT DEPOSITION, EROSION AIVV DAMAGE DUE TO INCREASES IN VOLUME, VELOCITY AND PEAK FLOW RATE OF STORMWATER RUNOFF FOR THE STATED FRFIDIIFNrY STORM OF 24-HOUR DURATION IN ACCORDANCE WITH THE F0l10WING STANDARDS AND r'.RITFRIA; 'CZTPrAU PI7gTnDATI0KI Amn 1VV 1 yl V-i11- P1 RELOCATION PROJECTS THAT INCORPORATE NATURAL CHANNEL DESIGN CONCEPTS ARE NOT MAN-MADE CHANNELS AND SHALL BE EXEMPT FROM ANY FLOW RATE CAPACITY AND VELOCITY REQUIREMENTS FOR NATURAL OR MAN-MADE CHANNELS:THIS PROJECT DOES NOT INCLUDE ANY ADDITIONAL IMPERVIOUS SURFACES AND THE PROJECT AREA WILL BE RESTORED TO ITS EXISTING CONIDTIONS.THEREFORE WILL NOT PRODUCE ANY ADDITIONAL STORMWATER RUNOFF. A. COivCENTRAT ED STORMWATER RUNOFF LEAVING A DEVELOPMENT SITE SHALL BE DISCHARGED DIRECTLY INTO AN ADEQ� LATE NATHRAI OR MAN-MADE RECEIVING CHANNEL, PIPE OR STORM SEWER SYSTEM. FOR THniE SITE; WHERE RIIKlf1FF IS nj1C WADf_Cr1 lkiTn A D10 nD Dior V IFIIAV ITT1V r 1 II L 'i,ll r- IF_ Iz SYSTEM, DOWNSTREAM STABILITY ANALYSES AT THE OUTFALL OF THE PIPE OR PIPE SYSTEM SHALL BE PERFORMED. B. ADEQUACY OF ALL CHANNELS AND PIPES SHALL BE VERIFIED USING THE VSMP CHANNEL PROTECTION CRITERIA. STORMWATER DISCHARGES ARE CLASSIFIED INTO ONE OF THREE TYPES OF CHANNEL. (1) "MANMADE STORMWATER CONVEYANCE SYSTEM" MEANS A PIPE, DITCH, VEGETATED SWALE, OR OTHER STORMWATER CONVEYANCE SYSTEM CONSTRUCTED BY MAN EXCEPT FOR RESTORED STORMWATER CONVEYANCE SYSTEMS OR, rAy THE MAI`:IMADE STOR1n:l:ATER Cvll,gvu_`Ir%vg%vE SYSTEM SHALL CONVEY THE POST -DEVELOPMENT PEAK FLOW RATE FROM THE TWO-YEAR EVENT WITHOUT CAUSING EROSION OF THE SYSTEM DETENTION OF THE STORMWATER OR DOWNSTREAM IMPROVEMENTS MAY BE INCORPORATED INTO THE APPROVED LAND -DISTURBING ACTIVITY TO MEET THIS CRITERIA AT THE DISCRETION OF THE STORMWATER PROGRAM ADMINISTRATIVE Al ITHr);?ITY' (B) THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED S I ORM'VY/A l ER FLOW J U NATURAL STURM'ravA I €R CONVEYANCE SYSTEMS SHALL BE MET. QDEVELOPED C= I.F. * (QPRE-DEV. * RVPRE-DEV.) / RVDEVELOPED UNDER NO CONDITION SHALL QDEVELOPED ] Q PRE-DEV. NUR SHALL QDEVELOPED BE REQUIRED TO BE LESS THAN THAT QFOREST * RVPRE-DELI.)/RVDEVELOPED OR IN ACCORDANCE WITH ANOTHER MFTHODfDInr;Y THAT IS DEMONSTRATED BY THE VSMP AUTHORITY TO ACHIEVE_ EQUIVALENT RESULTS AND IS APPROVED BY THE. BOARD. n n 2 "NAT URAL STORMWATER E CONVEYANCE SYSTEM ME ANS EANS THE MAIN CHANNEL OF A NATURAL STREAM AND THE FLOOD -PRONE AREA ADJACEINIT TO THE MAII:1 CHA17'11:IEL UR, (3) "RESTORED STORMWATER CONVEYANCE SYSTEM" MEANS A STORMWATER CONVEYANCE SYSTEM THAT HAS 'BEEN DESIGNED AND CONSTRUCTED USING NATURAL CHANNEL DESIGN CONCEPTS. RESTORED STORMWATER CONVEYANCE SYSTEMS INCLUDE THE MAIN CHANNEL AND THE FLOOD -PRONE AREA ADJACENT TO THE MAIN CHANNEL. (A) I HE U^E'VELOPMEN I SHALL BE GONSiS I tN I, IN CUMBINATIUN WITH OTHER STORMWATER RUNOFF. WITH THE DESIGN PARAMETERS OF THE RESTORED STORMWATER CONVEYANCE SYSTEM THAT IS FUNCTIONING IN AI~C'ORDAANrF WITH ... ... (B) THE PEAK DISCHARGE REQUIREMENTS FOR CONCENTRATED STORMWATER FLOW TO NATURAL STORMWATER CONVEYANCE SYSTEMS SHALL BE MET. SEE 19(B)(1)(8). A j,4;°' I z A F---i GA ----� CD z T- _ r__4 0)Nm Cv 5 zo CN .< Q.�- :5 2 D 4 Zf�rr I Q� I.. W) U CT ir � 1.111 0 Q Q !� vV ct, J-_ � 4 3cbQ w w2 - r Lu � U� 0_jC) - JZ CC<N [I] 'K- <I1� [} () w 1 rN Er -�,_1. . N_ I "It - I.-�/1 I- Cam] Q,/y��F� y 0 co , " j ,z onu O�& U-J,a-LO ( � I11 Z I 0) IK9� 5 9 I� :5e 0')'7r _N lIJ . 4 r C\1 [h r- 'IT LI�r T- I I I 1 0 � z a .A' . t.TH O1 0. N. %j Gl a ""� /4`-- -t G ) -7 �f ��I J1MMT L. I/Ab(jANI If °.� Lic. No. 22841 04-20- 6"l0NAL 020 E� /,,:�"' H I a D a- J 0 a: < � 7_ 11 li V t Q "�E I IIIIIIIIIII 11 �H LjL. � M z a . I= uj � a: L�0o D < I.S. 0 () z 11 wL_ L_j%S'Ir) I I 0_ WAML 15L ow)_ � � oer �_ rI 06 1 1 < whim>� () 1' 111111111111111111 0 0 rU) V I I r r I 11 w I 1 1. DATE: 04-20-2020 SCALE: AS SHOWN !LIB#: 1.9.1.1.64 CONTOUR INTERVAL: N/A SHFFT7 1; nr r. cE CONSTRUCTION ENTRANCE STONE 70' MIN, CONSTRUCTION ACCESS -� I r- 3" SM-2A ASPHALT TOP COURSE ? 2% STONE CONSTRUCTION L6" 'MIN. 21A AGGREGATE BASE PROE'` 70' M:N. hCHY I.hIT TA9/Ell Ai.7r1'1!'!L 1 I�HY GL3 WASHRACK EXISTING PAVEMENT rr-EXISTING 2% I 2% PAVEMENT -- 2% 12' MJN.* I 1-POSITIVE DRAINAGE *MUST EXTEND FULL VVIDTH A TO SEDIMENT OF OPERATION AND EGRESS TRAPPING DEVICE C7PERt�AT10N PLAN 12, Vllhd, - 1posn VI' DRAINAGE 2� TO SEDIMENT TQAP1711 r nMrICF N A -,A 6 ...S..S...�..-.. «......... !..-. ..JC 1 :UVL 111MA U_U _ K 3-3. 11LlLiiiluii Wi11C1 lil�J U� ; lil'4%il lllll�l UC lllhl'AllCU VV1Lll it lllllllllllllll 1 IIlGll uaLcacx 91111t0ffvahe AIPPtiM a wadi hone with a (l al leter of 1.5 inches for adequate constatlt pres,,otre. Wash water must be Sallied away froul tite entrance to an approver! settling tu•en to remove serWitent. All 4ediilleat shall be mev, eated frolll etlterilm *tolin draill.s. clitches or watercoirsei4. ►a PAVED WASH RACK NO SCALE o� TEMPORARY DIVERSION DIKE �W CLEAN WATER DIVERSION Source: V& DSWC Compacted Sail U3 1min1 -Flow 4.5' min. Plate 3.09-1 SF SILT FENCE CONSTRUCTION OF A SILT FENCE 1' T!T T T T T !{ T T 1T1 Tl tT T'Y T'7 r.l T r Tw rr r-. i ( W 11 I i U U 1' WIRE ,�)' UPPUM 1. SET THE STAKES. 2. ExCAV,ATE A 47X 4" TRENCH TJPgT.OPF. AT.ONf. 7'fTF TT.MP. OP STAKES. 4 PLOW 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. -i- SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) SF/STONE NOT REQUIRED AFTER SLOPES ARE STABILIZED DOWNSLOPE OF OUTFIALL POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALILATION (FRONT ELEVATION) TYPICAL TREATMENT - 1 (SOIL STABILIZATION BLANKET) INSTALLATION CRITERIA 2' TAMP FIRMLY ANCHOR SLOT f■ ANCHOR SLOT APPROXIMATELY 2 APLES REQUIRED PER i SQ. rua, CT MAI GRIP L ROLL. /Jff ANCHORR SLUM, JUNCTION SLOTS d� CHECK SLOTS TO BE BURIED S' TO 12". 12" MAX. 4:1 OR FLATTER B' MAX. STEEPER THAN 4:1 JUNCTION SLOT EDGE AND ENO JOINTS I I 1 I I I I I I I jCHECKSLOT * To BE SNUGLY A13UTTED (JUTE MESH WILL HAVE I I I TERMINAL FOLD STAPLED LAP JOINT IN I LIEU OF EDGE JOINT) }LAP JOINT 2- MIN. (JUTE MESH ONLY) I 5' MAX. 4:1 FLATTER OR 3' MAY. STEEPER 'ru^u A.1 I i I I 1 6' TO 12' I I I I I I I I d I I 2" rTAMP CHECK SLOT I FIRMLY I IFFF-7,E" JUNK 2' 12' - �- *CHECK SLOT s + I I I I I TO 2 1 1 I I II Al I r I - -1 rWAR. VAR. Tn R" MIN. PIN V I FW 1 STAPLING DIAGRAM I 4 *CHECK SLOTS AT MIN. STAPLE FORMED FROM NO.11 STEEL WIRE. 50' C-C INTERVALS; 8" STAPLE MIN. LENGTH FOR SANDY SOIL NOT REWD WITH ALL 8' STAPLE MIN. LENGTH FOR MWFR _gn11 FIRMLY 6' TO 12' TERMINAL FOLD - + TAMP FiRmLT 2" I 1 rt T PLATE: 3.36-2 PERMANENT SEEDING MIXTURES FOR PS THE PIEDMONT AREA TABLE 25 TOTAL LBS. PER ACRE MINIMUM CARE LAWN - COMMERCIAL OR RESIDENTIAL 175-200 LBS. - KENTUCKY 31 OR TURF -TYPE TALL FESCUE 95-100% - IMPROVED PERENNIAL RYE GRASS 0-5% - KENTUCKY BLUEGRASS 0-5% HIGH MAINTENANCE LAWN 200-250 LBS. - KENTUCKY 31 OR TURF -TYPE TALL FESCUE 100% GENERAL SL OPE (3. 1 OR LESS) - KENTUCKY 31 FESCUE 12a LBS. - RED TOP GRASS 2 1 R.C; - SEASONAL NURSE CROP* 20 LBS. LOW -MAINTENANCE SLOPE (STEEPER THAN 3:1) KENTUCKY 31 FESCUE 108 LBS. - RED TOP GRASS 2 LBS. SEASONAL NURSE CROP* 20 LBS- CROWN VETCH** 20 LBS. TOTAL 150 LBS. "USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED BELOW: FEBRUARY 16TH THROUGH APRIL 30TH............ ANNUAL RYE MAY 1ST THROUGH AUGUST 15TH ................ FOXTAIL MILLET AUGUST 16TH THROUGH OCTOBER 31ST...........ANNUAL RYE NOVEMBER 1ST THROUGH FEBRUARY 15TH ........ANNUAL RYE * SUBSTITtJ7F ;;F_RIC':F_A I FSPr-nE7A F:nR C RnWWVFTr'I-I FAST rIF FAPRAVII I P: \IA (MAY THROUGH SEPTEMBER USE HULLED SERICEA, ALL OTHER PERIODS, USE I iAINI ll 1 Frl CEGII E=©1 11= I<1 ATQCa 1C 11CCr-I tnl 1 1=1 I nE ror�snrnnR�rru lklr+r lAC r- warr.� 11 1 L 11 L Gy) v4]1-r..I 11m LILY yr vll Lixilm V"li/n, 11Mh.J 1��i'1- C RATE TO 30 LBS.IACRE, ALL LEGUME SEED MUST BE PROPERLY iNNOCULATED. WEEPING LLVEGRASS MAY BE ADDED TO ANY SLOPE OR LOW MAINTENANCE MIX DURING WARMER SEEDING PERIODS; ADD 10- 20 LBSJACRE IN MIXES. PS PERMANENT SEEDING FERTILJZATION AND MAINTENANCE I TABLE 24 �1 Maintenance Fertilization rOr Permanent .7eedings Use Soil Test Recommendation or Rates Shown Below Seeding Mixture Formulation Lbs. per Lbs. perl Time Mowing Acre 1000 sf Tall fescue makes 10-10-10 500 11-5 Yearly, or as *Not closer than 3" if up 70% or more or 400 9.2 needed fall occasional mowing is of cover_ 30-10-10 desired. Crownvetch Spring the year Service lespedeza 0-20-0 400 9.2 following establishmentand Blydsfoot trefoil every 4-5 years thereafter. Fairly uniform Fall the year Not required. not closer J stand of Tall fallowing then 4" if occasional Tescue & Service I 5-10-10 I 500 11.5 I establish- ment I mowing is desired, and lespedeza, or and every 4-5 then in fall after seed Birdsfoot Trefoil- years thereafter. has matured. Weeping Spring the year Not required. not closer Lovegrass & following than 4" if occasional Service lespedeza 5-10-10 500 11.5 establishment mowing is desired, and fairly uniform plant and every 3A fall after sericea has distribution years thereafter, matured. Red & chewings 20-10-10 250 5.$ September, 30 Mow no closer than 2" fescue, Kentucky I I I I A -..- 1 UI�yS laser I fnr reel facr ie anal 161 r I bluegrass; and closer bluegrass, hard 2(3-10-10 100 2.3 December, May 20-June-30, if than 3" for fescue. fescue mixture: needed. Ts TEMPORARY SEEDING MIXTURES FOR THE PIEDMONT AREA TC Gu 1 TEMPORARY SEEDINGS BY RATES, DEPTHS, AND DATES Seeding Rate Planting depth L11 Seeding zones ,f2)and Seeding Date { Species Per Lb511000 7a and 7b 6b 6a and 5b acre Sq. ft (Inches) $f1- 211- 5f1- 8115- 3!1 5f1- 8115- 3115 6J1- 4130 8114 11130 4130 8114 11/15.5131 7f31 10131 Choose one. BY BY BY Barley 2.5 bu. 2-80 1-2 X - 10f15 X - 10l15 X - 1011 OAhq i hlr 2,21 1.? x - - y - r I Rye (4) I I 12.5 bu. I I 1 3.22 I I I 1 2 I I I X I I I l I I X l I I x l I l l I I X l I I x l I l l I I X l l l II I II Barley or Rye Plus 150 lb& 3.45 1 X X 10115 X X 10115 X X 10J1 Foxtail XX X X X X X X X millet 5 Weeping 4lbs. 0.09lovegrass 114-112 X X - Annual 50Ibs. 1.15 114-112 X - 1111 X 1111 X - rYegrasS 8115 I IVIIIIet () 50 lbs. 1.15 I12 - X - X - X 111 A-pli-bin On slopes. of 2:1 Fl.,Hnr. t � r rr,,......,� t,�, .,1 ... 1 :.r c+�4u1 (2) Refer to figure A - Adopted from USDA, AIRS Miscellaneous Publication #1475, January 1990 (3) Between fail and spring seeding dates, use mulch only if ground is frozen and reseed when thawed (4) May be used as a nurse crop for late fall/early winter permanent seedings, add 56 Ibslac, to the permanent seeding mixture �"fI IYIPI yIL711U JLAiG r11'�IIYYtl�I flLII IIII II�fl C7 [IUiI YCII113lTf d[Y .7eCll IYllx (5) May be used as a nurse crop for mid -summer permanent seedings. Add 2 Ibsfac to permanent seed mix- (6) May be used as a nurse crop for mid -summer permanent seedings. Add 10 Ibalac. to the permanent seeding mix. UT SEDIMENT TRAP TEMPORARY SET1T11IRATT TRAP" ORIGINAL GROUND ELEV. • SEE PLATE 3.13-1 67 CU. YD./ACRE 87 CU. YD./ACRE (EXCAVATED) 4' MAX. 1 1 4 FILTER CLOTH ORIGINAL GROUND ELEV. COARSE AGGREGATE CLASS I RIPRAP UKUaa �tL. 1 1'UN Ur UU I Lt I Iyl..Acc I 0IP°.,A13 LENGTH IN B x DRAINAGE EA (IN AC.) COARSE AGGREGATE EXCAVATED AREA (/-FILTER CLOTH .�,�� *'COARSE AGGREGATE SHALL ;BE VDOT #3, 0357 OR #5 OUTLET (PERSPECTIVE VIEW) SOURCE: VA. DSWC DIVERSION DIKE PLATE. 3.13-2 MINIMUM TOP WIDTH(w) REQUIRED FOR SEDIMENT TRAP EMBANKMENTS ACCORDING TO HEIGHT OF EMBANKMENT (FEET) y EXCAVATED AREA MAX. DEPTH - 4' SOURCE: VA. DSWC H Ho 1.5 0.5 2.0 2.0 1.0 2.0 2.5 1.5 2.5 l 3.5 2.5 3.0 N0 H 4.0 3.0 3.0 4.5 3.5 4.0 5.0 4.0 4.5 I PLATE. 3.13-1 J ' QVj U �L C>�m o to zzo Io w }_..7 dV JJJ CDLU75 ccLll LLI ILLI 0�O J Er<64 W p a(a _() ❑ ! ! I ";�N en 11 III Cr (0rK _ W I ZL o0LL ON 'aa 6�j QCNI . ZZ9 1 I I� ANC' I I Z I I IIIII�IIIIIIiI IIII".I�IIIIIIII W III�II�IIIIIIII IIIrAIIllfllfl CD III IR'I I 1 1 1 A�T l3 OP Ih I ,JIMMY L. TAGGART Lic. No. 22841 <v 4-20-2020 ti' '9rONAL V♦ O < < r_ � 0 tomtr'' W I I I =t_► 'y z III���° III <20D � I�L.._ 8 o� 0 w I- I11 0 nZ V� _V vJ LU U cc 111 [DATE: r/-'AI r. �04-20-2020 Ar C1IA1,A1L1 JOB#: 19.1164 CONTOUR INTERVAL: N A SHEET: 6 OF 6