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HomeMy WebLinkAboutWPO201200045 Plan - E&S Erosion Control Plan 2013-04-23& [m OWNS EVELOPER: MARCH MOUNTAIN PROPERTIES, LLC. & MARCH MOUNTAIN Sheet Title PROPERTIES 1, LLC DEPTH OF EC -3A DITCH BEIGHTS DEVELOPMENT CORPORATION EC -2 DITCH 5380 GOLF DRIVE, SUITE 103 EROSION & SEDIMENT CONTROL PLAN CROZET, VA 22932 EROSION & SEDIMENT CONTROL PLAN NOTES & DETAILS TELEPHONE- (434)-823-2003 cri FAX: (703)-997-1490 CONTACT: MR. GAYLON BEIGHTS ENGINE ER: COLLINS ENGINEERING 200 GARRETT ST., SUITE K. c\1 CHARLOTTESVILLE, VIRGINIA 22902 TELEPHONE: 434.293.3719 "qr FAX: (434)-245-0300 CONTACT: MR. SCOTT COLLINS, P.E. cv) EMAIL: SCOTT@COLLINS-ENGINEERING.COM PRE -AP PLICATION CONFERENCE: SEPTEMBER 19,2008 TAX MAP NO.: 055E-01-00-OOOGO & 055E -01-00-000A1 ZONING: NEIGHBORHOOD MODEL DISTRICT APPROVED WITH LL PROFFERS 9-14-05 BY ALBEMARLE COUNTY BOARD OF SUPERVISORS TOTAL ACREAGE: 2.58 ac. SUBDIVISION STREETS: CURB & GUTTER DRAIN GE DISTRICT: SLABTOWN BRANCH TO THE LICKINGHOLE DRAINAGE BASIN WATER LICKINGHOLE CREEK TOPO SURVEY: JENNINGS-STEPHENSON, PC. PROVIDED TOPOGRAPHY Cj PROVIDED IN AUGUST 2006 AND UPDATED DECEMBER 2007 AND NOVEMBER 2008. FIELD VERIIFIED BYCOLLINS < ENGINEERING IN JUNE 2010. LIGHTING: NO STREET LIGHTING IS PROPOSED, zLpp,R 4w :V 011,0 TRAIL VILZ-, 46!F XW U WA WES 60RO 10, "FION VICINITY MAP F SCALE: 1" = 2500' EXISTING CULVERT TO 0,414RZ 04 ,& DROP INLET & STRUCTURE NO. CURB & GUTTER _*_ VDOT STANDARD STOP SIGN EXISTING CONTOUR 200 PROPOSED CONTOUR Ct?OZET F1,EZ.0 To CHARLO 411.3 THE TOP ELEVATION DENOTES THE 405,0 PROPOSED ELEVATION OF THE RETAINING WALL & THE BOTTOM ELEVATION DENOTES THE LOWER EXPOSED PROPOSED ELEVATION OF THE RETAINING WALL. 411.3 PROPOSED SPOT ELEVATION R2T 27' RADIUS ON F/C L D T R A I L V I L LA I ■ It R. 0k LIMITS OF E� �T H f&- P ROJ N #1 BAS1 g /4�i 3 WPO -2410 -DO Q36./ 1'( 71s; EXISTING SEDIMENT 15ASN' 000 0 S% x H 0 055)�,0-z,01'_,Q0-(00G0_- V! 1 MARCH' UN V 05 EO,01-00- MO TAW- 009HO -0 -,,PROPERTIES '14L MdONTAIN PRQPER-TIE 0 IN VE-, SUITE163-- IN /j43801GOLI �,'I)RiVt,$61TE 1(03 538AGOLFORI i'y c _'VA 22-9 IRbZET, 32 VA 12932 Nv 'A 5w U 1 1 #6 10� 055EO�01-00 0 1�' -bi 0 a Mout F PZf Tl, GOLF 'DRIVE, -SUI-t I R k A V, 1�� ROZET, VA 229 A -- IN A.L,, BASIN #2 NV\M ROPOSED SE0 MEN t BASIN\, > K 055EO-01-00-000AI MARCH MOUN I 1z Sul TAIN PR OPERTIES'�, 'v, > 'GOLF 0 DRIV�,ISUITE 163 ITAIN 4 CROZET, VA 22932 .s BLOCK 13 X 5.11\ \SU ITE 055E 1-00-OOOGO BLOCK 14 !293�, OPERTIES MARCHMOUNfAIN P14 GQLFPRIVE, SUITE 103 -.5390 V CROZ T� A 2293Z k, Z 4 \B\LOC V _�R ? 7 z . SHEET LAYOUT SCALE: 1"= 150' CURRENT OWNER/DEVELOPER MARCH MOUNTAIN PROPERTIES, LLC. BEIGHTS DEVELOPMENf CORPORATION 5380 GOLF DRIVE, SUITE 103 CROZET, VA 22932 0 *02004[01014 - 0 COLLINS ENGINEERING 200 GARRETT ST., SUITE K CHARLOTTESVILLE, VIRGINIA, 22902 PHONE: (434) 293-3719 Sheet List Table EC -3A DITCH Sheet Title T-1 DEPTH OF EC -3A DITCH ESC -1 EC -2 DITCH ESC -2 EROSION & SEDIMENT CONTROL PLAN DEPTH OF EC -2 DITCH EROSION & SEDIMENT CONTROL PLAN NOTES & DETAILS EARTH DITCH cri DRIVEWAY CULVERT BENCH MARK _*_ VDOT STANDARD STOP SIGN EXISTING CONTOUR 200 PROPOSED CONTOUR Ct?OZET F1,EZ.0 To CHARLO 411.3 THE TOP ELEVATION DENOTES THE 405,0 PROPOSED ELEVATION OF THE RETAINING WALL & THE BOTTOM ELEVATION DENOTES THE LOWER EXPOSED PROPOSED ELEVATION OF THE RETAINING WALL. 411.3 PROPOSED SPOT ELEVATION R2T 27' RADIUS ON F/C L D T R A I L V I L LA I ■ It R. 0k LIMITS OF E� �T H f&- P ROJ N #1 BAS1 g /4�i 3 WPO -2410 -DO Q36./ 1'( 71s; EXISTING SEDIMENT 15ASN' 000 0 S% x H 0 055)�,0-z,01'_,Q0-(00G0_- V! 1 MARCH' UN V 05 EO,01-00- MO TAW- 009HO -0 -,,PROPERTIES '14L MdONTAIN PRQPER-TIE 0 IN VE-, SUITE163-- IN /j43801GOLI �,'I)RiVt,$61TE 1(03 538AGOLFORI i'y c _'VA 22-9 IRbZET, 32 VA 12932 Nv 'A 5w U 1 1 #6 10� 055EO�01-00 0 1�' -bi 0 a Mout F PZf Tl, GOLF 'DRIVE, -SUI-t I R k A V, 1�� ROZET, VA 229 A -- IN A.L,, BASIN #2 NV\M ROPOSED SE0 MEN t BASIN\, > K 055EO-01-00-000AI MARCH MOUN I 1z Sul TAIN PR OPERTIES'�, 'v, > 'GOLF 0 DRIV�,ISUITE 163 ITAIN 4 CROZET, VA 22932 .s BLOCK 13 X 5.11\ \SU ITE 055E 1-00-OOOGO BLOCK 14 !293�, OPERTIES MARCHMOUNfAIN P14 GQLFPRIVE, SUITE 103 -.5390 V CROZ T� A 2293Z k, Z 4 \B\LOC V _�R ? 7 z . SHEET LAYOUT SCALE: 1"= 150' CURRENT OWNER/DEVELOPER MARCH MOUNTAIN PROPERTIES, LLC. BEIGHTS DEVELOPMENf CORPORATION 5380 GOLF DRIVE, SUITE 103 CROZET, VA 22932 0 *02004[01014 - 0 COLLINS ENGINEERING 200 GARRETT ST., SUITE K CHARLOTTESVILLE, VIRGINIA, 22902 PHONE: (434) 293-3719 Sheet List Table Sheet Number Sheet Title T-1 COVER ESC -1 EROSION & SEDIMENT CONTROL PLAN NARRATIVE ESC -2 EROSION & SEDIMENT CONTROL PLAN ESC -3 EROSION & SEDIMENT CONTROL PLAN NOTES & DETAILS 4 TOTAL NUMBER OF SHEETS APPROVED by the Albemarle Courity Community Developfrx fit 00,pattment Dote Re JZ_ COLLINS ENGINEERING IS NOT RESPONSIBLE OR LIABLE FOR ANY CONSTRUCTION OR DAMAGES TO THIS PROJECT PRIOR TO ALL FINAL PLAN APPROVALS. a 0 0 _000' _r" �I COLLINS rA ,4 116. No. 035781 - 17- IA� L 0�r m IN CD z DEPARTMENT OF COMMUNITY DEVELOPMENT PLANNER/ZONING 0') Ik- ENGINEER m IMT, NiM cri RM15211ne MET 'Line 0) COLLINS ENGINEERING IS NOT RESPONSIBLE OR LIABLE FOR ANY CONSTRUCTION OR DAMAGES TO THIS PROJECT PRIOR TO ALL FINAL PLAN APPROVALS. a 0 0 _000' _r" �I COLLINS rA ,4 116. No. 035781 - 17- IA� L 0�r m IN CD z 0') Ik- m cri 0) c\1 < "qr Lu cv) SVT ce Q) to LL <n. D_ c O LAJ Cj 0 < LIJ > cy 0 cj Lu 0 LDu E z > c/) Lu ii LLJ 0 CL O_ w cr_ O> 0 u 0 '"D u) LLJ x u I 0 E 0 uloLLJ w f r% w L'i S LLI z L,J 0 U) > V) z _j 0 w 0",0 ct 0 < > c:) C) 0 X c\1 0 uj 0 b Lu q) E rn 0 uiE - 0 JOB NO. 02009 0 V) q; SCALE NIA SHEET NO. > Q) T-1 0 LEG ROADS L______ - --I __ -,--- - -------- _____ I ilaww"M I 10001000 I womb N EC -2 DI TCH � J, 05 SJL T ffEMCE' DEP7H OF EC -2 DITCH A 7EWPORARY SEDIMENT BARRIER CONS7577NG OF A SYNTHE77C FILIER FABRIC STRETCHED � ACROSS AND ATTACHED TO SUPPOR77NIC POSTS AND E617RENCHED, TO IN7ERCEPT AND DETAIN EARTH DITCH SMALL AMOUNT5 OF SEDIMENT FROM DIISTURBED AREAS DURING C0NS7RUC770N OPERA 77ONS IN � ORDER TO PREVENT SEDIMENT FROM LE.-AWNG THE SITE, AND TO DECREASE THE VELOCITY OF DRIVEWA Y CUL VER T SHEET FLOWS AND LOW- TO-MODERA 7E' LEVEL CHANNEL FLOWS. THE SILT FENCE BARRIERS � SHALL BE INSTALLED DOWN SLOPE OFAREAS NTH MINIMAL GRADES TO FILTER SEDIMENT BEN I MARK LADEN RUNOFF FROM SHEET FLOW AS JNDICATED, THEY SHALL BE INSPEC7ED IMAIEDIA TEL Y AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WIN THE VIRGINIA EROSION & �' SEDIMENT CON7ROL HANDBOOK (VESCH). CLEARING LIA41TS � 3 .IQZ SLQ8M MLY INLEE EL?QTECFja., VDOT STANDARD STOP SIGN A SEDIMENT FIL7ER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP � INLET OR CURB INLET TO PREVENT SEDIMENT FROM EN7ERING STORM DRAINAGE SY57EA4S EXIS7G CONTOUR PRIOR TO PERMANENT STABILIZA TON OF 7HE DISTURBED AREA. INLET PRO TEC77ON APPLIES WHERE STORM DRAIN INLETS ARE TO BE MADE OPERAnONAL BEFORE PERMANENT 200 PROPOSED CONTOUR STARILIZA77ON OF THE CORRESPOND/NG' DIS77JRB-FV DRAINAGE AREA. 240,55 PRCI I--,- T9C T18 WA-7011MMM09M (9 1 1-1 I I STR� a- 1h.- TEMI @e P, P, @ mowaa-� IEA41 (�) <MD) SEDI, 4D� INLE 0 1W X _-I'____ �, 0 7V 7V SIL T CYA @ L cg) n j CON. @ � GHE� bb TEA41 8 P, - - - S10, III- DIVE (B L--� PER) (9 t--� Top,� e I CUL I (9 _*_� DUS OTSD E - --- - I .__L�� = 756 (9 SAFI F, TEM) (9 MIX LIMI[N G - FOR TE aH Test below 4-2 4.2 to .5.2 5.2 to 6 'OSED SPOT ELEVA 77ON EROSION & SEDIMENT CONTROL )EN07ES TOPIDACK OF CURB MEASURES: EXIS; 7NG CUL VERT STRUCWAL EROSION AND SEDIMENT CONTROL PRAC77CES SHALL BE IN ACCORDANCE CUL7T WTV THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK STRUCTURAL RUNOFF TO DOWNSTREAM OR OFF-SIM7 AREAS, AND TO PROVIDE PR07EC77ON TO BARE SOILS PRAC77CES USED IN THIS SECTION CONSIST OF THE FOLLOWNG. DROP INLET & S77?UCTURE NO. TEMPORARILY DIVERTED TO PR07ECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON HANDBOOK SPECIRCATFON NUMBER J. 0 1 SA FE Z YX EEN-CL CURB A PROTEC77VE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CON7ROL MEASURE. W BAIL BARRIER 3.04 TO PROHIBIT 7HE UNDESIRABLE USE OFAN EROSION CON7ROL MEASURE BY THE PUBLIC. CURB& GU TTER APPLICABLE TO ANY CON7ROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED ORARY DIVERSION DIKE 3.09 UNSAFE BY WRIUE OF POTEN77AL ACCESS BY THE PUBLIC. PROPOSED PA VEMENT � J,02 MUSLRU&M F_N7_7?ANflL_ EC -'TA DITCH A STABILIZED PAVED CONS7RUC77ON ENTYANCE WITH A WASH RACK LOCATED AT POINTS OF � VEHICULAR INGRESS AND EGRESS ON A CONSTYUC77ON SITE. TO REDUCE THE AMOUNT OF DEPTH OF EC -JA DITCH MUD 7RANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF � CONS7RUC770N ENTRANCES SHALL BE 1INSTALLED AS SHOWN ON 7HE PLANS TO REDUCE THE DEPEND ON THE 77ME OF YEAR APPLIED Alltllipqr cr'niarwT, mAAfcpr)PTr,/) r)Airn) piignu, wiAnwAyc EC -2 DI TCH � J, 05 SJL T ffEMCE' DEP7H OF EC -2 DITCH A 7EWPORARY SEDIMENT BARRIER CONS7577NG OF A SYNTHE77C FILIER FABRIC STRETCHED � ACROSS AND ATTACHED TO SUPPOR77NIC POSTS AND E617RENCHED, TO IN7ERCEPT AND DETAIN EARTH DITCH SMALL AMOUNT5 OF SEDIMENT FROM DIISTURBED AREAS DURING C0NS7RUC770N OPERA 77ONS IN � ORDER TO PREVENT SEDIMENT FROM LE.-AWNG THE SITE, AND TO DECREASE THE VELOCITY OF DRIVEWA Y CUL VER T SHEET FLOWS AND LOW- TO-MODERA 7E' LEVEL CHANNEL FLOWS. THE SILT FENCE BARRIERS � SHALL BE INSTALLED DOWN SLOPE OFAREAS NTH MINIMAL GRADES TO FILTER SEDIMENT BEN I MARK LADEN RUNOFF FROM SHEET FLOW AS JNDICATED, THEY SHALL BE INSPEC7ED IMAIEDIA TEL Y AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WIN THE VIRGINIA EROSION & �' SEDIMENT CON7ROL HANDBOOK (VESCH). CLEARING LIA41TS � 3 .IQZ SLQ8M MLY INLEE EL?QTECFja., VDOT STANDARD STOP SIGN A SEDIMENT FIL7ER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP � INLET OR CURB INLET TO PREVENT SEDIMENT FROM EN7ERING STORM DRAINAGE SY57EA4S EXIS7G CONTOUR PRIOR TO PERMANENT STABILIZA TON OF 7HE DISTURBED AREA. INLET PRO TEC77ON APPLIES WHERE STORM DRAIN INLETS ARE TO BE MADE OPERAnONAL BEFORE PERMANENT 200 PROPOSED CONTOUR STARILIZA77ON OF THE CORRESPOND/NG' DIS77JRB-FV DRAINAGE AREA. 240,55 PRCI I--,- T9C T18 WA-7011MMM09M (9 1 1-1 I I STR� a- 1h.- TEMI @e P, P, @ mowaa-� IEA41 (�) <MD) SEDI, 4D� INLE 0 1W X _-I'____ �, 0 7V 7V SIL T CYA @ L cg) n j CON. @ � GHE� bb TEA41 8 P, - - - S10, III- DIVE (B L--� PER) (9 t--� Top,� e I CUL I (9 _*_� DUS OTSD E - --- - I .__L�� = 756 (9 SAFI F, TEM) (9 MIX LIMI[N G - FOR TE aH Test below 4-2 4.2 to .5.2 5.2 to 6 'OSED SPOT ELEVA 77ON 3-09 ffi1jP_QHARY VlkE820 Dff-f.;- A IEWPORARY RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING )EN07ES TOPIDACK OF CURB DISTURBED AREA. TO DIVERT STORM RUNOFF Ffl0M UPSLOPE DRAINAGE AREAS A WAY FROM DENO TES TOP OF BOX UNPRO7EC7FD DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET TO DIVERT GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND SEDIMENT -LADEN RUNOFF FROM A DISWURBED AREA TO A SEDIMENT-7RAPPING FACILITY SUCH RUNOFF TO DOWNSTREAM OR OFF-SIM7 AREAS, AND TO PROVIDE PR07EC77ON TO BARE SOILS AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE k WRGINIA EROSION & SEDIMENT CONTROL TEMPORARILY DIVERTED TO PR07ECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON HANDBOOK SPECIRCATFON NUMBER SITE DURING CONSTRUCT10N, THESE STTUCTURE5 GENERALLY HAVE A UFF EXPECTANCY OF 18 * MON7HS OR LESS, WCH CAN BE PROLONGED WTH PROPER MAINTENANCE W BAIL BARRIER 3.04 J. 12 DI ffi?�5_10N.- THE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DISTURBED AREAS BY PL,AN77NG A CHANNEL CONS7RUCTED ACROSS A SLOPE WN A SUPPOR77NG EARTHEN RIDGE ON THE ORARY DIVERSION DIKE 3.09 LOWER SIDE. TO REDUCE SLOPE LENG'TH AND TO IN7ERCEPT AND DIVERT STORMW47ER I � - I I I - 1. RUNOFF TO STABILIZED OUTLETS AT N8�-EROSIVE- VELOCITIES. APPLIES WHERE RUNOFF FROM I 207B) � . I AREAS OF HIGHER ELEVAT70N MAY DARAGE PROPERTY, CAUSE EROSION, OR IN7ERFERE KITH ORARY SEDIMENT TRAP 3.13 THE ESTABLISHMENT OF VEGET4770N ON LOWER AREAS, WHERE SURFACE ANDIOR SHALLOW . SUBSURFACE FLOW IS DAMAGING SLOP1JNG UPLAND, AND WHERE THE SLOPE LENG7H NEEDS TO fENT BASIN 3.14 BE REDUCED TO MINIMIZE SOIL LOSS. DEPEND ON THE 77ME OF YEAR APPLIED J.IJ- TMP-QRAL?Y SMLMOT ZNAP_- I " PRO TEC 77ON 3.07 A 7EWPORARY PONDING AREA FORMED BY CONSTRUC77NG AN EARTHEN EMBANKMENT WTH A SLOPING, WELL DRAINED SOIL ON BROAD, CONVEX FOOT SLOPES AND STONE OUTLET TO DETAIN SEDIMENT -LADEN RUVOFF FROM SMALL DISTURBED AREAS LONG FENCE 3.05 ENOUGH TO ALLOW THE MAJORITY OF T,HE SEDIMENT TO SETTLE OUT USE BELOW DISTURBED LONG, AREAS OF THIS SOIL ARE LONG AND WDE. THEY RAAVGE FROM 5 AREAS WHERE THE TOIAL CONTRIBU77MG DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE TO ABOUT 30 ACRES. 77 -IE SURFACE LAYER OF THIS SOIL IS OARK SEDIMENT TRAP MLL BE USED NO LONiGER THAN 18 MON7HS, AND IT MAY HE CONSTRUCTED REDDISH BROWA/ SILT LOAM ABOUT 8 INCHES THICK. PERMEAB/LITY AND EITHER INDEPENDENTLY OR IN CONJUNCI70N WfTh A 7EMPORARY DIVERSION DIKE. , RUCTION ENTRANCE 3.02 'T �Q STABILIZING DIS7URBED AREAS BY ESTABLISHING AFGETA 77VE COVER W77-1 7REES, SHRUBS, MEDIUM. THE HAZARD OF' EROSION IS MODERATE. THIS SOIL HAS GOOD J. 14 7EMPORAR Y SEDIMENT UASIN., TIL 774, A TEMPORARY BARRIER OR DAM WF7H A CONTROLLED STORMWAIER RELEASE S7RUCTURE K DAM 3.20 FORMED BY CONSTRUCnNG AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY SOIL IS DEEP, WELL DRAINED, AND MODERATELY S7EEP, IT IS' ON SIDE TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISR)RBED AREAS IN "WET" AND 'DRY" STORAGE SLOPES THAT BORDER SMALL DRAINAGEWAYS� SLOPES ARE SM007H AND LONG ENOUGH FOR THE MAJORITY OF 77-1E SEDIMENT TO SET71E OUT APPLIES BELOW ORARY FILL DIVERSION ,110 DIS7URBED AREAS WHERE THE TOTAL CONTTIBUYING DRAINAGE AREA IS EQUAL TO OR WINDING. 7HEY RANGE FROM 3 TO ABOUT 20 ACRES. GREATER THAN THREE ACRES 774ERE MUST BE SUFFICIENT SPACE AND APPROPRIATE 26C3 -DYKE-CLAY LOAM -7Z TO 15X SLOPES, SEVERELY ERODED. TrH/S DEEP TOPOGRAPHY FOR THE CONS7RUC770N OF A 7EMPORARY IMPOUNDMENT 1 3.12 :`SION J -1d OUTLET eRQM00M COLLUVIAL FANS. SLOPES ARE SMOOTH AND ABOUT 200 TO 400 FEET S7RUCTURALL Y LINED APRONS OR 0 7HER ACCEPTABLE ENERGY DISSIPA 77NG DEWCES PLACED LONG. AREAS OF THIS SOIL ARE LONG AND NARROW THEY RANGE FROM AT THE OU7LET5 OF PIPES OR PAVED CHANNEL SEC71ONS. TO PREVENT SCOUR AT ANENT SEEDING J. J2 S TORM WA 7ER OU ILE 75; TO PRO 7EC T THE OU TLE T 3 TRUC 7URE, A NO TO MINIMIZE 7HE PO TEN 77A L STABILIZE DIS7URBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO S17E COND177ONS, FOR DO VINS 7REA M EROSION 8 Y REDUCIING THE �E L OCI TY A NO ENERG Y OF CONCEN TRA TED AND ALLOWS SELEC77ON OF THE MOST APPROPRIA 7E PLANT MA 7FRIALS. TO IMPROVE WILDLIFE STORMWA 7ER FLOWS. APPLICABLE TO THE OURLETS OF ALL PIPES AND ENGINEERED CHANNEL 'OILING 3.30 SECRONS. I AP. J. 19 EER ERT INLET PR07EC77ON 3.08 A PERMANENr, EROSION -RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WTH BOTH BASINS SHALL REMAIN IN PLACE FOR THE DURA77ON OF THIS PROJECT AT FILTER FABRIC OR GRANULAR UNDERLINING. TO PR07ECT THE SOIL FROM 77-11- EROSIVE THE COMPLETION OF THIS PROJECT AND OTHER DEVELOPMENT IN TH#S AREA, THE FORCES OF CONCEN7RA70 RUNOFF, SLOW THE VELOCITY OF CONCENTRA7ED RUNOFF WHILE SEDIMENT BASIN MLL BE CONVERTED TO A B/O-FIL7ER FOR PRE-7REATWENT OF ENHANCING THE P07EN77AL FOR INFIL77RA770N, AND TO STABILIZE SLOPES WTH SEEPAGE , CON TROL 3.39 PROBLEMS, ANDIOR NON -COHESIVE SOILS USE WHEREVER SOIL AND WAITER IN7ERFACE AND WLL ALSO PROVIDE ADD17IONAL STORMWATER MANAGEMENT . 7HE EXIS77NG BLOCK THE SOIL COND1770NS, WA 7ER 7URBULEINCE AND VELOCITY, EXPECTED VEGETA 77VE COVER, ETC., 2 SEDIMENT BASIN WILL ALSO BE CONVERTED TO A PERMANENT STORMWATER ARE SUCH THAT 774E SOIL MAY ERODE' UNDER 7HE DESIGN FLOW COND117ONS. 'ORARY SLOPE DRAIN 3.15 REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZA 77ON SHALL BE REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOL177ON AND 3-20 ROCK GYCQK_ PAMS-.- SMALL TEMPORARY ST9NE DAMS CONS7RUCTED ACROSS A SWALE OR DRAINAGE DITCH. TO 'TY FENCE 3.01 REDUCE THE VELOCITY OF CONCEN7RA 7ED STORYWA TER FLOWS, THEREBY REDUCING EROSION TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE OF THE SWALE OR DITCH. 7HIS PRAC7RCE ALSO TRAPS SEDIMENT GENERATED FROM ADJACENT THE PRESENCE OF AIRBORNE SUBSTANCES *HICH MAY PRESENT HEAL IN HAZARDS, TRAFFIC SAFETY AREAS OR IRE DITCH ITSELF, MAINLY BY PONDING OF THE STORMWA TER RUNOFF. 7HIS PROBLEMS OR HARM ANIMAL OR PLANT LIFE. PRAC77CE, U77LIZING A COMBINA71ON O)F STONE SIZES, IS UM17ED TO USE IN SMALL OPEN PORAR Y RIGH T- OF- WA Y 3.11 CHANNELS WHICH DRAIN 10 ACRES OR LESS. 3-11-A UMEMENTS tARY SMS ;conmterlded Applic AgdOLIWAI 3 tons per acre 2 tons per acre I ton per acre 3.31-8 ACMPT4114A TEMPORARY SEUDING PLANT AW1311ALS 'QuICK R"L�Ruwl � �, FOR Al L REGIONS' I . Rate Planting Date saxio oh&-�=) SePL I - F4:b. 15 50/50 Mi � x of Aawwal Xwwww 50-100 CWeal (Wmter) Rye Feb. 16 - Apr. 3G INMRW I t -N 60-100 ,A�L� tl . . - � � May I - Aug 31 Gun M11 t 40 Source: Va. DSWC ZROSION CONTROL NOTES ES -1., UNLESS OTHERMSE INDICATED, ALL VEGETA77VE AND STRUCAURAL EROSION AND SEDIMENT CON7ROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICA77ONS OF THE 1IMN-18 ER-O-SION AND SEDLMENT CON7ROL tLANDBOOK AND VIRGINIA REGULA77ONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGUL A 77ONS, ES -2: THE PLAN APPROWNG AUTHORITY MUST BE N071FIED ONE WEEK PRIOR TO THE PRE-COIVS7RUC77ON CONFERENCE, ONE WEEK PRIOR TO ThE COMMENCEMENT OF LAND DISTURBING AC77VITY, AND ONE KEEA( PRIOR TO THE FINAL INSPEC770N. ES -3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE IPLACED PRIOR TO OR AS 77 -IE FIRST S7FP IN CLEARING. ES -4. A COPY OF 774E APPROVED EROSION AND SEDIMENT CONIROL ,PLAN SHALL BE MAINTAINED ON THE S1 7E AT ALL 77MES. ES -5. -PRIOR TO COMMENCING LAND DISTURBING AC77V777ES IN AREAS OTHER THAN INDICA TED ON 7HESE PLANS (INCLUDING BUT NOT LIMITED TO, OFF-SITE BORROW OR WASTE AREAS), THE CONTTACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CON7ROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY 7HE PLAN APPROWNG AUTHORITY ES -6. 7HE COA17RACTOR 15 RESPONSIBLE FOR INSTALLA 77ON OF ANY ADDIRONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTA77ON AS DETERMINED BY THE PLAN APPROVING AUTHORITY ES -7. -ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT' CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIV177ES AND DURING S17E DEVELOPMENT UN77L FINAL STABILIZA77ON IS ACHIEVED. ES -8. -DURING DEW47ERING OPERATIONS, WATER MLL BE PUMPED IN71-0 AN APPROVED W47ER FILTERING DEWCE. ES -9. THE CON7RACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF -PRODUCING RAINFALL. EVENT ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN 7HE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY I I General gonstrixtion notes for Erosion and Sedhowt Control plans I . I . . I I . . I I . � I -1,11 I � " , L �jborlailap vin� wir4 stbertotifieAonoWeek (W'10,111f, . , .pro g,a th y mw . I PT1 , �.Twe-ex)n3ttueLion � . I 00100rence, one w�ek- pciet to the commenceniont of land JiMbim(g activity, =4 -one Wtzck I : prioi�.10 th,,, final inspectioa. � . . I 2. All cr%ioii and soditnent wittEol nicatays will be tvn5trwied nd maintained accixding,10 � . . � , minimura 5311dwo and,specifwations of the Vj,rginhi Erosion and.Sediment CoWol I I HandbookandVirei ' R -1 i V-RQ5-61�00,Erosionau ' I I _. ma eg,u Ml( )fts , 4 Sediment. Control .11 I Rlell!"latiolik, I 1 13. zut erosWa and sodiflaefit contr6l nwows are to be placcdpdqr ty:or as the first �slcp in , , I . ,. , I � I .. I . � cleartyle, � . . � V, I I I . 1 4. A COPY of t1r, �WoVed erosion,ind sediment c6ritrol plan shalt be inaintainedon the site at all'tifnes. � � . . , 5 , . ftior it) con --an glayt , I I .. . 0, I �. 0 di,,sturbing s4ivitie in ma,.�, other tb4n indjv4ed (in the's plans, I I- ,5 . I I I - ., � - I . I (iqCNd:iq& tatt, pot limited to, off7sito horrow orvast . e areal)� tit con:tractor shall subinit a . . � � I I ... I . . I , I I . 5 I uppternm"� erosion control Plan to the owiter for remew and amoval by thaTIlan I vprovin,q authofity� . . I i . (L The eaatj�wurr is tvwOwibie, for �-ft,taatii .. � I . . on ol'lany:Additloral ero'sli0v ti)Afol Tnew &O", I I ncces I preven , ter,osion a,nd,sedin)cntnfi'on As detertnined .:,,!.%4ry tor � � I .. - by the p" approyiitv8 I I � I I 419horiql- I � � 7. All disturbed areas are to ik-Ain to akxoved. sediment co measinreg At all ti'me-SAining . I I � I land disturling dctivifieA�ard danng sile-d I eNrtl0Tme#t utitil,fioal,�libili�at,i�-titi,i-, aohieve,d_ I I I 1. . I I . . � ' �. I)on g d ning�opmatjons, water will Isc pit m.d' Wm , I I I.n , qwatL I pr i Rpo into:qnapim , nterlag&vli�.0.1 I � � 9., 711eciartractor shall inspea,all:erowri comol measure,, periodicWly and after acb rtjnpff - . . � ­ I I . . I � producing rainfall ew%m Aqy noccasary repairs or clea ,to flinintailt tile effective. . I OUP noss of the crosion control devico shaft W tuade itutnediately. I I I I I I � I . . I If I )� �All rill: -materal to be. U ft -pproved. de jgnatmj jx)rrow area- ' I I k -en � put#1 a. ,. � I I � 81 I � I ll� All waste. materials-qhall be taken to an app-oved wastemva. Earth fill shall be I-nw . . mat, M�AIK otilyz free. of n -AiL sittaf , er debn I x , p:K Woddl Tawish, afid,oth is� I . . . .1 _. I I . I . I . V2- Rd" 'low cml:wo�stdAt�l.iks4r6tot),O.re�.1,4i3Oiddl',Itliin,I day -s of c4xiij?"dupar/oninfy , I - i - - � 1. I Ordinancz section 5,1.28, 1 1 13. AtHitert, tuat�-rials shall I-ye,.franilxwle#i'n.Q->ttlt)liance with sm.tion 0-301 lof thetCode of I , I , � � I . I 1. . � . I Aff�etnarle_ � I . I I .. I I 1 1.114. B&tow, fill ot Waste activity, inyolv*g i 0-dustlial-q-pe. poowa, equip shall be 11iiWted To � . I I . . . �dwr MAIM: Of 7 fooah:L W 91 1 . � Aftm, . I . I I . 15, Boirow'. fill or wa!;(v 41jy4, bhW1 1)e.cfmducted ina safe mamier than maintains laterlitl . . I - � I . sul4myt, or ot,derto minirubzeartyliazardto pe.",ns� phy-sical damage toad ntlark an(i . .. . , . 11 . , . jace - d I , . . , � in-Vroyaw.atss. and damage to any public strect twcause o �sfides, si0jng�,. or collaIx'o � , I . . I ., . . I . , . , 16. The 4cy""lop" shall rese-&C,the 41t to install. fiWaUdit rcmOve or�couvcrt to erhnAwdt I I P I -4i,vmwattv management. fwilities,�% hee applieable -alferosiou (xxlxo1 inea, I I ,oxes requited . I hy, thi 8 pia". reg I 9 .ef fxxii0n,of the-rH-�verty- ,�4�olegst�ftlic,sA]eofan),Iot,�ovit.,I)uiidin A-w4h ­ . . 17. TemrKwary stabili.eatiwt %hall The tem1mrary see -ding and mulching. Seedinggi,s lobe a175 -- I I lbalatre, and in the dkdaft- of Septeraber to FebmwY to consist a 10150 mix of Aunual � I I .1 I . . Rye"sud (70e;il Winter Rye, or in Nlmohand April to witsia of,kmual,Rye_ojr��M � . � , AN, I I . drmp C,Qnsist 1� Cenumi.MilleL SUaw Mulchjs to be applied at 9.01.bbfity.)Sf� 4h Augu tik t(* I 1. I I . , , - pn, et in . I I Altemativ ATe Cb .e I ,�44te��tt�ii�c,(�ft);'Tq)ft)yokv , untyero�o rn A faq). ator I 18. PCIManent stabi[tization shall,bc fift)c and fC1tift=__P.erManCnt seeding, and tnuldil. I I I I AgficWtural grWc litwstoae�shaff be applied al:90lbs/l0ftfjncot_po0tedjAto the top 4-6 . I W,;hev of soAl 'Awfilizer -,W be applied at 10001b0 acre, and ".-vusist ofa 10-20-:10 jim-lielo , . . I . I I . 1. 1. 1. ' m.ix- Permanent s "g:Shall be Applied* I W)INOtere And �,,ons,isto(91'1$, Kenimu*y 3 For I - . - . I . I . ']'all Fes,cue and ( %, llemani ,Ryegrasm or. KenLwky. Blue A; M4 1 . )__5 , gt4s�� Str w. Je4, is to be I .1 I .101 . I - .1 . I I I I applic(Lat 801811005f Alt&rnativ.C,5:are sllt�jcetto *Proved byt1KC0tinty cro-siom control, I . . , . 11181W.WL . I . . . . . � I I - 11 19� _matntenance� Xtl measures, ate to be*spected weekly ad after exit Wdall, Amy damagO I I iir A . - I I 'I( M Tig A:irvt,-turalyni-q,.qir�,,zitto�ber*-mirininleanip.lu S, Impmam hp�tlamned j.j1 XA_,fPOffARK SEED-LNI& 7HE ESTABLISHMENT OF A TEMPORA R Y VEGETA 77 VE CO VER ON DIS TURRED AREA S B Y SEEDING . . lt�cl_ I � I .1 � -, - . 1. I . WhQjt �50% of the, wet stozaeo Volume is filled wilksediment. All acedcd areas afc� w bc� I 1. '' - I I I ­ I .1 � I . KITH APPROPRIATE RAPIDLY GROWNG ANNUAL RANTS. TO REDUCE EROSION AND I I 'resecded.wheft Ilemssary to achieve agood.staadof aras& Sift fence and diversic)n dilws I . � I � . I I . SEDIMENTA 77ON BY STABILIZING DIS77JRIBED AREAS 774A T WILL NOT BE BROUGHT TO FINAL . � which ". cAleethig w,diment to half their.height must be,cleaued and repaired . GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND ,� � mintedialely, I . I . RUNOFF TO DOWNSTREAM OR OFF-SIM7 AREAS, AND TO PROVIDE PR07EC77ON TO BARE SOILS � � I I I I— ­ � , . � yerp.ionandsediment control mea m-s4mA6bere-tOoved, �Nithio,1(04ays of ZO. ,All kemporar A I IS I � , I EXPOSED DURING CONSTRUCRON UN77L. PERMANENT VEGETABON OR OTHER EROSION CONTROL I final aile stabilizaiioal, wheri,mcasqves are no longget needed, subject to approval byl the I . MEASURES CAN BE EST48LISHEO. I I I . County emion.,x3niAll ius�ctklr. . I . . GRADED AND STORED FOR LA7ER SPREADING. STOCKPILE LOCA77ONS SHALL BE ON S17E AND SHALL . 2-1. Mji,- plaiti. shall b(�.Void, it The "aetAovs but. obtain a peimit within I vear (A thei,(date pf � - J.J2 PERMAMEYT STABILIZA77 i ON; � � .. . . .1 . . . 11-2(W--!. approval. �Waler Priuclion Ordinancewction , ) - THE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DISTURBED AREAS BY PL,AN77NG I I . � I I 22� :P4toanent yeretation,sMI be installcd oo -,W dc-auded arcas wiWa itioc, (9),uionft� ,-A,,r, . � � SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO ,the date ibeland4isturbing activjr,%r,c*=nencr4.,�1Vate% Protection Ordinance, section 17- 1 PERMANEN77-Y STABILIZE DIS77JRBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO I � - I I I - 1. S17E COND1770NS, AND ALLOWS SELECRON OF 7NE MOST APPROPRIA TE PLANT MATERIALS. TO I 207B) � . I IMPROVE WILDLIFE HABITAT TO ENHANCE NA77JRAL BEAUTY UPON COMPLE770M OF TEMPORARY SEEDING WLL BE PERFORMED FOR ALL DENUDED AREAS WHICH WLL BE LEFT DORMANT C0NS7RUC770N AC77W77ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETA77W COVER. FOR MORE THAN SEVEN DAM THESE AREAS SHALL BE SEEDED WTV FAST GERMINA77MG Zo "20-0- APPLICA 77ON OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL SURFACE. TO PREVENT EROSION BY PR07EC77NG THE SOIL SURFACE FROM RAINDROP IMPACT AND REDUCING ry n SOIL DESCRIPTION 7HE VELOCITY OF OVERLAND FLOW TO FOSTER THE GROWTH OF VEGETA77ON BY INCREASING DEPEND ON THE 77ME OF YEAR APPLIED A VAILA BLE MOIS 7URE AND PRO 14DING IINSULA 77ON A GAINS T EX TREME HEA T A NO COLD. AREA S 258 -DYKE- SILT LOAM- 2Z TO 77, SLOPES, THIS SOIL IS DEEP, (3EN7LY WHICH HA VE BEEN PERMANEN7L Y SEEDED SHOULD BE MULCHED IMMEDIA IEL Y FOLLOWINC SLOPING, WELL DRAINED SOIL ON BROAD, CONVEX FOOT SLOPES AND SEEDING. AREAS WHICH CANNOT BE SEEDED BECAUSE OF 7HE SEASON SHOULD BE MULCHED COLLUVIAL FANS. SLOPES ARE SM007H AND ABOUT 300 TO 1000 FEET USING ORGANIC MULCH. MULCH MAY8E USED TOGETHER WITH PLAN771VGS OF TREES, SHRUBS, LONG, AREAS OF THIS SOIL ARE LONG AND WDE. THEY RAAVGE FROM 5 OR CERTAIN GROUND COVERS W41CH 00 NOT PROWDE ADEQUATE SOIL STABILIZA770M BY TO ABOUT 30 ACRES. 77 -IE SURFACE LAYER OF THIS SOIL IS OARK THEMSELVES, CAN BE USED IN CONJUhICTFON WF7H TEMPORARY SEEDING. REDDISH BROWA/ SILT LOAM ABOUT 8 INCHES THICK. PERMEAB/LITY AND J�,177 7REES SY&U&S VINES & GRQQN CO VERS� AVAILABLE WATER CAPACITY ARE MODERATE SURFACE RUNO)FT_ IS �Q STABILIZING DIS7URBED AREAS BY ESTABLISHING AFGETA 77VE COVER W77-1 7REES, SHRUBS, MEDIUM. THE HAZARD OF' EROSION IS MODERATE. THIS SOIL HAS GOOD WNES, OR GROUND COVERS, TO AID IN STABILIZING SOIL IN AREAS WHERE VEGETA77ON OVER TIL 774, THAN TURF IS PREFERRED, TO PROWDE FOOD AND SHELTER FOR WLDLIFE WHERE WILDLIFE 37DJ -HAYESVILLE-CLAY LOAM -15Z TO 257* SLOPES, SEVERELY ERO)DED. THIS HABITAT IS DESIRABLE. APPLIES IN AREAS WHERE TURF ESTABLISHMENT IS D#TIGULT, ON SOIL IS DEEP, WELL DRAINED, AND MODERATELY S7EEP, IT IS' ON SIDE S7EEP OR ROCKY SLOPES WHERE MOWING IS NOT FEASIBLE, WHERE ORNAMENTALS ARE SLOPES THAT BORDER SMALL DRAINAGEWAYS� SLOPES ARE SM007H AND DESIRABLE FOR LANDSCAPING PURPOSES, AND WHERE WOODY PLANTS ARE DESIRABLE FOR ABOUT 200 TO 400 FEET LONG. AREAS OF THIS SOIL ARE LONG AND SOIL CONSERV4770N, OR TO ESTABLISH WILDLIFE HABITAT WINDING. 7HEY RANGE FROM 3 TO ABOUT 20 ACRES. ERVA77ON AND PROZEC77M 3.38 7REE BEES 26C3 -DYKE-CLAY LOAM -7Z TO 15X SLOPES, SEVERELY ERODED. TrH/S DEEP PR07EC77ON OF DESIRABLE 7REES FROM MECHANICAL OR OTHER INJURY DURING LAND S7RONGLY SLOPING, WELL DRAINED SOIL IS ON CONVEX SIDE 15LOPES OF DISTURBING AND CONS7RUC770N ACTIV07Y. TO ENSURE THE SURVfV4L OF DESIRABLE TREES COLLUVIAL FANS. SLOPES ARE SMOOTH AND ABOUT 200 TO 400 FEET WHERE THEY WILL BE EFFEC77VE FOR EROSION AND SEDIMENT CONTROL, WATERSHED LONG. AREAS OF THIS SOIL ARE LONG AND NARROW THEY RANGE FROM PROIEC770N, LANDSCAPE REAUTIFICAMON, DUST AND POLLU77ON CONTROL, NOISE REDUCTFON, 5 TO ABOUT 30 ACRES. SHADE AND OTHER ENWRONMENTAL BENEFITS WilLE THE LAND IS BEING CONVERTED FROM STABILIZE DIS7URBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO S17E COND177ONS, FOREST TO URBAN -TYPE USES. APPLIES IN 7REE-INHABITED AREAS SUBJECT TO LAND AND ALLOWS SELEC77ON OF THE MOST APPROPRIA 7E PLANT MA 7FRIALS. TO IMPROVE WILDLIFE DIS77JRBING AC77W77ES. .STORAIWAZER RUN-OFF CONSIMRA77ONS.- REMAINING EROSION CON7ROL 17EMS AS SHOWV ON THE EROSION CON7ROL PLAN. THIS STOCKPILEIBORROW AREA DRAINS TO A PROPOSED SEDIMENT BASIN WITH A ,IM DOT ONMOL: SMALL AREA DRAINING TO AN EXIS77NG SEDIMENT BASIN TO THE EAST OF BLOCK 2. REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DIS7URBINa DEMOL177ON AND BOTH BASINS SHALL REMAIN IN PLACE FOR THE DURA77ON OF THIS PROJECT AT CONSTRUCTION AC77W77ES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM THE COMPLETION OF THIS PROJECT AND OTHER DEVELOPMENT IN TH#S AREA, THE EXPOSED SOIL SURFACES AND REDUCE' THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY SEDIMENT BASIN MLL BE CONVERTED TO A B/O-FIL7ER FOR PRE-7REATWENT OF PRESENT HEALTH HAZARDS, 7RAFT7C SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LhrF. DUST CON7ROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF ANY RUN-OFF BEFORE IT LEAVES THE SITE, THE POND BELOW THIS SWM FEA77JRE DUST DURING C0NS7RUC77ON MEASURES EMPLOYED SHALL BE IN ACCORDANCE WTH THE WLL ALSO PROVIDE ADD17IONAL STORMWATER MANAGEMENT . 7HE EXIS77NG BLOCK VESCH. 2 SEDIMENT BASIN WILL ALSO BE CONVERTED TO A PERMANENT STORMWATER SHALL BE APPLIED WTHIN SEVEN DA YS TO DENUDED AREAS THA T MA Y NOT BE A T FINAL GRADE BUT WLL MANAGEMENT WET POND FACILITY IN THE FU77JRE. � CONTROL MEASURES* am=.. - &0M AND 5081ENT QNNa MEA I 500, ____ PURP OF THIS LAND DISAIRBING AC77VITY IS TO PROVIDE A STOCKPILE AREA FOR THE CONSIRUCRON IT IS AN77CIPA TED To USE CONS71?UC770N ENIRANCES, DIVERSION DIKES, EXIS77NG SEDIMENTRASINS, OF THE ROADS, ALLEYS AND ASSOCIATED DRAINAGE STRUCTVRES FOR BLOCK 1J, PHASE 8 AT OLD TRAIL A PROPOSED SEDIMEN T BA SIN A ND SIL T FENCES TO CON 77?OL SURFA CE DRA INA GE TEMPORA R Y 14LLAGE THE TOTAL PROPOSED AREA 710 BE DISTURBED W7H THIS PROJECT IS 6.81 ACRES. SEEDING WILL BE USED IMMEDIATELY FOLLOWNG A" LAND DISTURBANCE AC77W77ES. TEMPORARY Xl-S77NG- SIZE C "NIZZONS.* F STOCKPILE AREAS MLL BE MAINTAINED FROM TOPSOIL IHAT WLL BE 57RIPPED FROM AREAS TO BE THIS S17E CONSISTS OF AN OPEN GRASS FIELD WTH NO VEGETATION, SLOPING DOWNWARD TO THE EAST THE 0 S17E IS LOCATED TO THE EAST OF OLD TRAIL DRIVE, AND DRAINS TO SLABTOWN CREEK. GRADED AND STORED FOR LA7ER SPREADING. STOCKPILE LOCA77ONS SHALL BE ON S17E AND SHALL A DA CfA T A BEA: 2 BE STABILIZED WTH A TEMPORARY VEGETA77VE COVER. PERMANENT SEEDING WLL BE PERFORMED THIS SITE IS BORDERED TO THE NORTH BY THE FUTURE PIEDMONT RE77REMENT FACILITY IN BLOCK 2 TO THE FOR ALL AREAS WCH WILL NO LONGER BE EXCAVATED AND WHERE C0NS7RUC77ON AC77W77ES EAST IS FU77JRE UNDEVELOPED MIXED-USE BLOCKS. RESIDEN77AL AND MIXED-USE DEVELOPMENTS ARE HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH AN 77CIPA TED IN THE FU7URE DEVELOPMENT OF BLOCK 4 AND 1J PHASE A TO THE WEST AND BLOCK 14 TO WU BE LEFT DORMANT FOR A YEAR OR MORE SELEC77ON OF SEED MIXTURE WILL DEPEND ON THE THE SOUTH. OLD TRAIL DRIVE EXISTS TO THE WEST 77ME OF YEAR APPLIED. QEMTE,LAN.Q 2SELEMNCE TEMPORARY SEEDING WLL BE PERFORMED FOR ALL DENUDED AREAS WHICH WLL BE LEFT DORMANT No OFF-SITE LAND DISTURBANCE IS PROPOSED. ALL LAND DIS77JRBANCE IS TO OCCUR WITHIN THE LIMITS OF FOR MORE THAN SEVEN DAM THESE AREAS SHALL BE SEEDED WTV FAST GERMINA77MG DIS77JRBANCE AS SHOWN. VEGET47ION IMMEDIAZELY FOLLOWNG GRADING OF THOSE AREAS. SELEC77ON OF SEED MIXTURE WLL C&ZZQAj., AHEA.Ij: DEPEND ON THE 77ME OF YEAR APPLIED EXTRA CARE SHALL BE TAKEN TO PROVIDE PROTEC77ON TO THE EXIS771VG POND BELOW PROPOSED SEDIMENT OMIRUCRO ENTRANCE BASIN #2. 7HIS POND IS LOCA 7ED TO THE EAST OF OLD TRAIL AND LIES BETWEEN OLD TTAIL AND THE A STABILIZED PAVED CONS7RUC77ON ENTRANCE WTH A WASH RACK LOCATED AT POINTS OF EXIS77NG SUBDIVISION CONTRACTOR SHALL MONITORIINSPECT THIS BASIN AND THE SILT FENCE ON A VEHICULAR INGRESS AND EGRESS ON A CONSTRUC770N S/7E TO REDUCE 77 -IE AMOUNT OF MUD CON77NUOUS BASIS TO ENSURE THAT IT IS FUNC770NING CORRECTLY AND 7HAT SEDIMENT IS NOT LEAWNG THE 7RANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. S17 -E AND ENTERING THE POND. CONSIRUC17ON ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE SMS, AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS SOILS MAP IS INCORPORATED INTO THE EROSION CON7ROL PLANS WTH SOILS DATA INCLUDED WTH THIS SIL T_ ffAGF.� NA RRA 77 VE. A 7EMPORARY SEDIMENT BARRIER CONSIS77NG OF A SYNTHE77c FILTER FABRIC smEwHED ACROSS SEQUENKE QE MM'imsok AND ATTACHED TO SUPPOR77NG POST3 AND EN7RENCHE0. TO INTERCEPT AND DETAIN SMALL 1. N077FY ALBEMARLE COUNTY TO SCHEDULE A PRE-CONSTRUCRON MEETING AS REQUIRED, AMOUNTS OF SEDIMENT FROM OIS77JRBED AREAS DURING CONS77?UC77ON OPERA77ONS IN ORDER TO 2 NO EROSION CON7ROL MEASURES MAY BE REMOVED DURING THE CONS7RUC77ON PROCESS WTHOUT 7HE APPROVAL FROM THE INSPECTOR ON THE PROJECT PREVENT SEDIMENT FROM LEA VING 7HE SITE. TO DECREASE 7HE VELOCITY OF SHEET FLOWS AND J. THIS S17E SHALL U77LI77ZE THE PAVED CONSTRUC77ON EN7RANCE ASSOCIATED WITH BLOCK 13B. PROVISIONS LOW- TO-MODERA 7E LEVEL CHANNEL FLOWS. THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SHALL BE MADE TO MINIMIZE THE TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO 7HE PAVED SLOPE OF AREAS WIN MINIMAL GRADES TO FX7ER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS SURFACE WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE INDICA 7ED. THEY SHA U BE INSPEC 7E0 IMMEDIA TEL Y AFTER EA CH RAINFALL AND MAIN TAINED IN CLEANED THOROUGHL Y A T THE END OF EACH DA Y SEDIMEN T SHALL BE REMO VED FROM THE ROADS BY ACCORDANCE WTH THE VIRGINIA EROSION & SEDIMENT CON7ROL HANDBOOK (VESCH). SHOVELING OR SWEEPING AND 7RANSPOR77NG TO A SEDIMENT CON7ROL DISPOSAL AREA. S7REET WASHING PERMANENZ: IZA 770N. SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. THE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DIS7URRED AREAS BY PLAN77NG SEED. 4. INSTALL THE IN177AL C0NS7RUCnON MEASURES AS SHOWV ON THE EROSION CONTROL SHEET THIS TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO PERMANENTLY INCLUDIES SILT FENCE AND A SEDIMENT BASIN. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE STABILIZE DIS7URBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO S17E COND177ONS, CONSTRUC7ED AS A FIRST STEP W7H ANY LAND DISTURBANCE AC77WTY AND SHALL BE MADE FUNC77ONAL AND ALLOWS SELEC77ON OF THE MOST APPROPRIA 7E PLANT MA 7FRIALS. TO IMPROVE WILDLIFE BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 5. IN ADD177ON TO ENSURING THAT THE PAVED C0NS7RUCI7ON ENTRANCE IS INSTALLED, INSTALL ANY HABIT4 T TO ENHANCE NA 7URAL BEAUTY UPON COMPLE77ON OF CONSIRUC770N AC77W77CS, ALL REMAINING EROSION CON7ROL 17EMS AS SHOWV ON THE EROSION CON7ROL PLAN. AREAS WILL RECEIVE A PERMANENT' VEGETA77VE COVER. 6. ONCE ALL THE EROSION C0N77?OL 17EMS HAVE BEEN INSTALLED AS SHOWV ON THE EROSION CONTTOL PLAN M YFP- 6A R K SE& M Q.: AND THE INSPECTOR HAS APPROVED THE EROSION CON7ROL MEASURES, THE CON7RACTOR CAN BEGIN THE ESTABLISHMENT OF A 7EMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WTH GRAD)NfG OPERATIONS. STABILIZA77ON MEASURES SHALL BE APPLIED TO EARTHEN S7RUCTURES SUCH AS APPROPRIATE RAPIDLY GROWNG ANNUAL PLANTS. TO REDUCE EROSION AND SEDIMENTA77ON BY DAMS, DIKES, AND DIVERSIONS IMMEDIA TEL Y AF7ER INSTALLA 7701V. STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF 7 ROUGH GRADE THE S17E TO THE CONTOURS SHOWN ON THE EROSION CONTROL PLAN, MORE 77 -IAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTRE4M OR 8. PERMANENT OR 7EMPORARY SOIL STABILIZA77ON SHALL BE APPLIED TO DENUDED AREAS WTHIN SEVEN OFF-SITE AREAS, AND TO PROWDE PR07EC77ON TO BARE SOILS EXPOSED DURING CONS7RUC77ON DAYS AFTER FINAL GRADE IS REACHED ON ANY POR77ON OF THE SITS TEMPORARY SOIL STABILIZ477ON UN77L PERMANENT VEGETA77ON OR OTHER EROSION CONTROL MEASURES CAN BE ESTABLISHED. SHALL BE APPLIED WTHIN SEVEN DA YS TO DENUDED AREAS THA T MA Y NOT BE A T FINAL GRADE BUT WLL QUST MNYO L: REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZA 77ON SHALL BE REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOL177ON AND APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE 77 -IAN ONE YEAR. 9. GRADE OUT 77 -IE REMAINDER OF THE S17E AND GRADE THE ROADS AS SHOWN ON THE EROSION CONTROL CONSTRUC7701V AC77W77ES. PLAN. INSTALL STORM SEWER FOR THE PROJECT, USING INTERMEDIATE INLET PR07EC77ON TO PR07ECT THE TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE END OF THE PIPES THE PRESENCE OF AIRBORNE SUBSTANCES *HICH MAY PRESENT HEAL IN HAZARDS, TRAFFIC SAFETY 10. FINE GRADE, SEED AND FERTILIZE THE DENUDED AREAS. PROBLEMS OR HARM ANIMAL OR PLANT LIFE. 11. ONCE THE S17F IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CONTRACTOR CAN REA40VE DUST CON7ROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF THE EROSION CON7ROL MEASURES NO /7EM SHALL BE REMOVED UNLESS THE UPSTREAM AREAS ARE DUST DURING C0NS7RUC77ON MEASURES EMPLOYED SHAIJ BE IN ACCORDANCE W17H 7HE VESCH STABILWZED AND THE INSPECTOR GIVES PERMISSION. MY-Eg-EARY DJOM�'QY &KE. 12. MAINZAIN ALL EROSION CON7ROL MEASURES AS SPECIFIED IN 7HE VIRGINIA EROSION AND SEDIMENT A RIDGE OF COMPACTED SOIL CON5`7RUC7FD AT 7HE TOR' OR BASE OF A SLOPING DIS77JRBED AREA C0N7R(OL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRA TOR IN WHICH DIVERT5 OFF-S/ IE RUNOFF AWAY FROM UNPROTSC7FD SLOPES AND TO A STABILIZED OUTLET, ACCORIDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT 7RAPPING S7RUCIURE. MAXIMUM 13. ALL 7EMPORARY EROSION AND SEDIMENT CON7ROL MEASURES SHALL BE REMOVED WTHIN 30 DAYS AFTER EFFEC77VE LIVE IS 18 MON7HS. FINAL S17E STABILIZATION OR AF7ER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND THE DISTURBED MWFQRAt?Y S&2LAIENT 8 A SOIL AREAS RESUL77NG FROM THE DISPOS17ION OF' TEMPORARY MEASURES SHALL BE PERMANEN77-Y A 7EMPORARY BARRIER OR DAM WIN CONIROLLED STORMWATER RELEASE SIRUCTURES WHICH IS FORMED BY CONS7RUCTING AN EMBANKMENT OF COMPAC7ED SOIL ACROSS A DRAINAGEW4 Y IT IS USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM DRAINAGE AREAS 3 ACRES OR GRE47FR FOR ENOUGH 77ME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SET7LE OUT IT CAN BE 7EMPOORARY SM21-NG.- CONSTRUCTED ONLY WHERE THERE IS SUFROIENT SPACEAND APPROPRIATE TOPOGRAPHY MAXIMUM ALL DENUDED AREAS WHICH MLL BE LEFT DORMANT FOR EX7ENDED PERIODS OF EFFEC77VE LIFE IS 18 MONTHS UNLESS DESIGNED AS A PERMANENT POND BY A QUALIFIED TIME SHALL BE SEEDED w1rH FAST GERMINA TING TEMPORARY VEGETATION PROFESSIONAL, . IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE SEED MIXTURE WILL QU TLE Z: M ZEC 90A- DEPEND ON THE 77ME OF YEAR AND WILL BE APPLIED TO DISRJRBED ARES THAT 7HE INSTALLA77ON OF RIPRAP CHANNEL SEC77ONS ANDIOR S77LLING BASINS BELOW STORM DRAIN WILL N0 T BE BROUGH T TO FINAL GRADE W THIN 30 DA YS. OU7LE7S TO REDUCE EROSION AND UNDER-CUT77VG FROM SCOURING AT OUTLETS AND TO REDUCE PLANTS SHOULD BE SELEC7ED APPROPRIATE TO THE SEASON AND SITE FLOW VELOC177ES BEFORE STORMW47ER EN7ERS RECOWNG CHANNELS BELOW 7HESE OU7LEM CONDITIONS FROM TABLES ,3.J18 AND J.JlC. N07E THAT TABLE J.31B PRESENTS SAFrTy E - - ENCE., PLANTS WHICH CAN BE USED WITHOUT EX7ENSIVE EVALUA 77ON OF SITE A PROTEC77VE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CON7ROL CONL9177ONS; TABLE J.JlC PRESENTS MORE IN-DEPTH INFORMATION ON THE MEASURE. PERMA NEN T S TA BIL LZA 77 PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED AREAS AS PER THE PERMANENT STABILIZA77ON OF 7H/5' EROSION & SEDIMENT CONTROL NARRATIVE. AF7ER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED, FERTILIZED, AND SEEDED AS PER CURRENT VDOT STANDARDS. THIS SHALL CONSIST OF THE FOLLOWING; TOPSOIL - 2" DEPR� LIME - 2 TONSIACRE, FERTILIZER - 600 LBS./ACRE OF 15 -JO -15 SEED - ERNST 5311 CONSER VA 77 ON SEED MIX - ERNMX­ 1 14 (45 L8S./ACRE PENNLAWN CREEPING RED FESCUE, J75 LBSIACRE ARGILE KENTUCKY BLUEGRASS, JZ5 LBSIACRE PARK KENTUCKY BLUEGRASS, 15 LBS.IACRE ANNUAL RYEGRASS & 15 LBS./ACRE PLEASURE PERENNIAL AFTER THESE AREAS ARE STABILIZED, THEY WILL BE A40WED AND MAINTAINED ON A REGULAR BASIS. MAINMNAN IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC ATTENTION WLL BE GIVEN TO THE FOLLOWING ITEMS. A. SEDIMENT BASINS ANDIOR TRAPS WLL BE CLEANED AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. B. ALL GRAVEL OUTLETS MLL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT WILL PREVENT PROPER DRAINAGE IF THE GRAVEL IS CLOGGED BY SEDIMENT, THE GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL BE REPLACED. C. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETERIORA77ON OF THE FA13RIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE TOP OF THE BARRIER. D. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THA T A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. FLANI MAILKIAL,-)� To COAITROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO GERMINATE AND GROW. SEEDBED PREPARA77ON IS ESSENTIAL. AN EVALUA77ON SHOULD BE CONDUCTED TO DETERA41NE IF LIME IS NECESSARY FOR 7EMPORAR Y SEEDING. TABLE J. J1A MAY BE USED TO DETERMINE 7HE ACTUALL NEED ALONG WITH SUGGESTED APPLICA77ON RATES: � FERTIUZER SHALL BE APPLIED AS 600 LBSIACRE OF 10-20-10 (14 LBS11,000 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 HA 5 BEEN RECEN 7L Y L OOSENED OR DIS TURRED, NO FUR THER ROUGHIENING IS REQUIRED. WHEN THE AREA IS COMPACTED, CRUSTED, OR HARD51VED, THE SOIL SHALL BE LOOSENED BY DISCING, RAKING, HARROWING, OR 07 -HER ACCEPTABLE MEANS. TRACKING WITH BULLDOZER CLEATS IS A40ST EFFEC77VE ON SANDY SOILS. THIS PRAC77CE OFTEN CAUSES UNDUE COMPAC77ON OF 77 -IE SOIL SURFACE, ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PLANT GROWTH AS EFFECTIVELY AS 07HER METHODS OF SURFACE ROUGHENING. SEED SHALL BE EVENLY APPLIED WITH A BROADCAST SEEDER, DRILL, CULTIP,ACKER SEEDER OR HYDROSEEDER. SMALL GRAINS SHALL BE PLANTED NO . MORE THAN 1j INCHES DEEP. SMALL SEEDS, SUCH AS KENTUCKY BLUEGRASS, SHOULD BE PLANTED NO MORE THAN 4 INCH DEEP. OTHER GRASSES AND LEGUMES SHOULD BE PLANTED FROM j INCH TO I DEEP. SEED11WGS MADE IN FALL FOR WINTER COVER AND DURING HOT AND DRY SUMME-R MONTHS SHALL BE MULCHED ACCORDING TO MULCHING, S7D. & SPEC. J. J5, 1EXCEP T THA T H YDROMUL CHES (FIBER MUL CH) WILL NO T BE CONSIDERED ADEQUATE STRAW MULCH SHOULD BE USED DURING THESE PERIODS. AREAS WHICH FAIL TO ESTAGLISH VEGETATIVE COVER ADEQUA7F TO PREVENT RILL E-ROSION WILL BE RE -SEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. . '��_ _', S_ 1� - I - 1) . P . ', i4 ,!SCOT R. COLUNS'-X ) )--q ) Lie. No. 035791,�� I's 5-;71 - I �� ,0. 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THERE IS NO TREE CLEARING ASSOCIATED WITH THIS 1 -_ , \ I �:- .�i ; �, ktii �,�A I i 11�� -11 I �111,,,I,l I � 11 , I -�,�,.'* " , � � - , - � . �, _" .. 11_�,:� 11, I , I I I i I 1, " ��'�_ .:,�-V,_ ­ - _____ I � % '', - I � , "�.191, _� _1-11, - 11 , I , , , _�­, \ �1- - - 1-1 __ -1-1- - � I . I ,_ 11 . I -, -� - ', I I - I I I f � , __`­_�,`,-T�� 1�1__`Ii � , t I " \\�.-,,-,I% \ \ , \ "",­` `�,,',,._,�, , / \ �,` �­n ­-= =� -.,f!ff.',',! ,t��'j �" 1 1 I t i ,�,- IF -ji__ `!�, � �,, ,,� � '1� � 1 / '' / ,/ / ". // ", / _"""�,_ , �;"� T. -,�, __ ______ ___1 _Fj:LL___11__ , * � . I � . 11 ____ i _ , , , t / / " / , z " _ - .. ..... - _/ z I \ , , I �f 1�i � i. _. i �: - / / NOTES: X , _,� i , -� L.j_l�_L ."',_ , , F___ __ - '_ \ , - _� .,'_� , w.l 1�,,� " �' —, , I I - I . I I \� ".1 _i I I . , ��ii; .- , -I ------ - - i I I _�D__ J i � i___,_____._i.__.__ ...... --I -41--t - � I I ...",if, � P� , , i / / / / I / I I PROJECT. THE LIMITS OF DISTURBANCE FROM THIS SECTION -, \ -I,- , ,� :,_F::, 1 1 1 1 ; - I I i I � 1,,� \ , , / , � / " - . ... .. � � I / .1 �� V�2.",;�t,,, � � '1�li ... I I I 1 � " I F I , V�_""":t,� \ 11 �_ 1, �­'��,,��,.�,.'_"�;,�, �� ,,'�. __51 Ili, , � � , � , -) \ _�­ , -��-,�-,,', �­��_,�,:� , ,,,� " -."� . . .... - - 1 ! I I , , I . , _�, 11* , �0,��f,�, ,,,,,,��,,��:�,��""","--,,,, �,��,­��,` :�-.--�',2�� -�,',,� -': � , _ fl T__��__ � �! ) ��, - _­ , , � . � i, - i . - , 1 4 '\ , . /� — -, \ . ��,,',,�,,��,'�'J'_, , , �' I -� �� .11 I _1�, , , , , _ __ ,��_,,.���,� :"-��,,,,',",'�,,��-',',�'�'�",,,- "", - p ­ 1 , . ,,",,�� �,��,�,';��l�,,,�-.���-,��,�,�,��',,-,�",�,��,,��,,.-�,,�,�,,, �`,;�, --,-.',,-�`�-N`,��i,'.' IN \ i� \ >_ , , � I � - - , " - , 7 , - I � , '' �.1111" — 111. ­_ � -1, , �, "�, � � __ � �__ , , 'J,,,',�;�',, ia"�­, - -_ I I _��: �,­,, - � � , i,�, -�-�.""��,--,.-,�,,�'--�,i,-;. -, -�,,�-,':,"�,',�� I I I I ., . i ii: L_ �' ,�I_ I t �­ i ! V -,�.r, \ . ,��`,v -,. �,,, _;��3`_ �� _,.��,', I I .1 I , , \ t , / / / I , I - ONLY INCLUDES OPEN FARM LAND. THE TOTAL LIMITS OF � ." - __, . �, -, ­ 1. -11 ­ � 1, " li", \ , �. " / /,, " , /' �'. , I 1 1 1 1 I 11, i � t. �. " . � - � . Ii i / I �_\_ � --\ �,_�,,�,�,,_ ��,�. � "' ! i I "I I t : I \ 11 \� � i I I \ ,�_ , e;ii � i I _ , I ,�---- � I � , , ", -1 lil � d I � I ;� I 11.1 __ __ "I" - � - . � - ". , I I , , , �;, SCOT X COLLINSZ t , / I \ �,, .. ��I,',�.,�� �.. -1.11. __L � ,.. _, J-1 ,I . �1' -I------,-,- ___ __ _ %, 1 �,� , ', 11 I " / " r , .,� / - - __ ,_­�, �'_.­�__�_,��- , __15i � -_.-_I------- .� , / i / I I 1-1 IF --I------- v , , - - --,.", I .1, i I � '.,� . - I ,,, - l-, � . q, �, I , I , � r— I ': _�7. , . 5 . I , 1, �gff / I \ 1,,( _ - � I I �� , I i, i / / , �_ i__: " 1_,�, I \ 1 ;: � " I . , , _�_ I 1�1' , , I" 1 11 1 ­ I i 7 , - , I � q _*_ - 1� �l �, IN i 1 , 11 ft,0 ', , ­�, . / — \ � , �, , I ,� i I I ; \_ ) s. / l DISTURBANCE IS 6.8iAC. I CD 1_" -T, -i ,-1 � � � I I I �� ,,fi�, \�' ----1 % , \ / , F I � \ � , - � t \ lk " � " i i , -1, . I U Lie, No. 0351 U -t �-_ 14I !.it I I I : 11 " " t \ _., __.- I,/ . I . v___ . � lr-��I i i � i , \ , , , \ ...... / / I / I / I I I p 1�1 ­41� 1 / --, � ____ I Ill � -, 1 I— N I I �� 11 11- I ,[__ k �, I ,,� i, \ � � � � j f 11 , " " / I 'A 2. THERE IS NO CONSTRUCTION ACTIVITY PROPOSED WITHIN i I_ � I , ­, ____ -.'4 f 11; 1 i - / I // I ---- Ir N � . �,11.11111 I I I i ! t I � t � � I � I I I I - 11 I � i I I_ I I F 1 j I . 4 I � 1 i I F i i � ___ _____fm_I__1_ I I i 1 1 1 � I I � - � ., - fl �- __j i - � I � - ) i i___11 i . ., -If '. 1, \ " - I / I I I I -T, 111) !�) - ;�- I - I -f-- � ,I � .. - 1 i _1� i___ \ I \ � � , 1, _ _­ - I i ! i � i - MU Ut'LAII'4,�)]KtAMtSUt-l-tK'L)I<WtILANL)t). 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"I I " , ______ " , __ __ ,-- 11 / / 11 I i I I-_ C -Q 11 . , ---------.. � -"-. _-_1.______________ , 1_� ­­, I , k, 1. � i , , (! � I \ \ I I ti I- Q) 0 '__T 1� ______1_.________ 1_ / \1 [ I I I i . _� � i 11 � � - __ � � 11 \ \ -1 E �­ � '__� --- -,-- ­__ -, - 7� Ii. . , .1 \� f � � I � / ,- I / � I � i Lu -- - ­ 11 — I- i / / \ i � I 1 ) ) I I I 0 w -E _____ __6,_f& ,� - . `_ I - --- ___� --- _� ;� \ , � i � I ! I I ( " �\ , \ � = Q _ __1 - _---­ � / 1- - " --,--- ,� / ­ __ __ - ­ __ __ I I I i i � i �\ \ \ \ 33� - 1� __ i - - - - / ( , t 1 j I I I , \ \ 0 ,�, - ___ _----� / I - � - -,.- -, ", / __ . � I � 1 1 1 �\t� 'I � � , 0- En -0- - - z I ---, _.,_______ / ! / , 1. I I � i �\ \ \ I 0 __ - / 4 / - __ __ �_ ill / / I f I � I . I I \ \ \,\\,\ \ _0 - ___._ __ --- / � I/ - -1 - __ __ ­ -.-,-,---.- r/ _­� --,/ '�' I_ / � I i I I I "� � I \ \ JOB NO. 0 tZ I I - ,� 1, - - - �__,_. 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I q) 0 - - - - - 11 , / ,�/� " 111`b�_ , ; \ 'I, 1�' - \ \ 1. I 11 i I ! � \ i �C: _t7 -1 - - __ / I /I - / ,-. � I / /,I \ , 0 1 .0e '� 1_� - \ - I , ! I I ) \ , / ,-� .1 \ , , �� _�� . I I "* \ � , � \ \ \ I 1 � \ � / , "', " \ ) I i I ,-- -, I � \ \ /111 i I \ \ \ I - - � --- I i , � � ESC -2 -�� - � i �, � 11- \ I � T I " I , __ I � � - 1" / --- __ __ __ _ - __ ­� ,- ­-� � - -- ---,- 11 ___ ___ 1�11� , --- � ! \ __ - ­ I , / [- I I f J! I t , ". / \� \ \ \ 1 I \ � I I t- -1z SEDIMENT BASIN BAFFLE DEI -AIL NO SCALE SHEETS OF 4'X8'Xj' EXTERIOR PLYWOOD OR EQUIVALENT 6 Tr 2"X4" WOODEN FRAME RISER CREST ELEVATION --.._._..-POSTS MIN. SIZE 4" SQUARE OR S" ROUND. SET AT LEAST 3' INTO THE GROUND DROP INLET PERSPECTIVE VIEWS C' 7r A f/!" AME ,A THER :XCESS IT CORNERS ELEVATION OF STAKE A FABRIC ORIENTA TIONM SIL T FENCE (3 DROP INLET PROTECTION.o7- NO SCALE 21A SIDE EL �7W MOL "e -Ex ctm OR AERM Mm SNOWAX ow of F"ft EL Ir WC Fl-= %1M11r&rZW . PRW H1140PAW .7 #am or" " AV off am W PA%VAW. TABLE 3.32-D SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT ARFA Total Lbs. Per Acre lino 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% HiLyh-Maintenance Lawn 200-250 lbs. - Kentucky 31 or Turf-T�pe Tall Fescue 100% 9gagr-d Slope (3:1 or J!nA) - Kentucky 31 Fescue 128 lbs. - Red Top Grass 2 lbs, - Seasonal Nurse Crop Lba. 150 lbs. than - Kentucky 31 Fescue 108 lbs. - Red Top Grass 2 lbs. - Seasonal Nurse Crop 20 lbs. - Crownvetch .20. lb -a 150 tbs. 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 A.ye November through February 15th ............. Winter ye Substitute Sedeea lespedeza for Crownvetch east of Farmville, Va. May through September use hulled Sericea, all other periods, use uMulled Sericea). If Flatpea is used in lieu of Crowrivetch, increase rate to 30 lbs./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. A TTA CH FILTER FA BR TO STAKES OR POST EXTEND IT INTO TREP EXCA VA TED RA CKFIL LED COMPA C TED )EN STAKE � POST TI = 5AVIV. SILT FENCE .(WITHOUT WIRE, SUPPORT) 3.05-- 2-) NO SCALE 1. SET POSTS AND EXCA VA TE A 4"X4 2. STAPLE WIRE FENCING TO THEPOSTS. J. ATTACH 77 -IE FILTER FABRIC T# TRENCH UPSLOPE ALONG THE LINE THE WRE FENCE AND EXTEND OF POSTS. IT INTO 77 -IE TRENCH. W 115 > =H Eli FLOW � -I I I I r SIL T FENCE WITH WIRE SUPPORZ) NOSCALE 4. BACKFILL AND COMPACT THE EXCA VA TED SOIL. EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. I 4 SEDIMENT BASIN #2 M X 0 48" CMP RISER 8 C -TOP OF RISER - 653 BOTTOM OTTOM OF RISER - 651 36" CMP BARREL <, ___56 LF @:1.79% INV IN. 651 INV OUT. 650 CLASS I RIPRAP OUTFALL ___W1--9', W2=23, L=2d, D=2' Sediment Masin #2 Design T SpHiWAY CFXW OF VAMEWY drainage area (acres)= - &63 1=14M HIGH VLAIE 2461HOUT '"UWAY hinuNhim&c�vif"��;n 11�^Mit contour IS) r'5 m. VORM ff I U eilevation (ft) contour area (st volume (cy) 650.00 7473.0 0 652.00 918,0 614.9 . .... f fasm cant 654.00 10W.0 1358.5 ow. MWA 656.00 12831.0 2238.1 'TcFucE SCOMW CLEW~ F *a - ("slofwe =6 U U) 2: cc TO -4 CM/ AM) wet storage: 0 0 _j ;!� wet storage reqLuired (cy) (67*DA) 444.2 design high water (ft) dewatering orifte elevation (ft) 651.76 top of dam (it) wet storage provided at this elevation (cy) 540.7 top width of dam (ft) available volurnei before cleanout (cy) (34*DA) 225A bottom of basin (ft) cleanout elevatimn (ft) 650.72 approx. bottom dimensions: distance from cifeanout to orifice (ft) (> V) 1.04 upstream toe slope., downstream face slope: d!y storage: dry storage requiked (cy) (67*DA) 444.2 baffles: principle spillwa)y crest (ft) 653.00 length of flow, L (ft) dry storage proviided at this elevation (cy) 444.2 effective width, We (9) diameter of dewatering orifice (in) 6.0 L I We (baffles not required if > 2) diameter of flexitDie tubing (in) (orifice+2") 8,0 collars: runoff depth of water at spillway crest (ft) C (use 0.45 for Ware earth) 0.6 slope of upstream face (Z1) tc (min) 9.5 slope of barrel (8b) 12yr 4.3 0 2yr 17.11 length of banal in saturated zone (Ls) i 25yr 7.0 0 25y 30.63 number collars required dimension of collars principle spip"yr. I available head (ft') 1.0 emergency spillway: diameter riser (h) 48 required capacity (Q25 -tip) (cls) spillway capacityf, tip (cls) 30.63 bottom width (ft) diameter trash rank (in) 72 slope of exist channel (Rift) barrel length (ft) 56 minimum length of exit channel (ft) head on barrel thirough embankment (ft) 4.00 crest of spillway (it) diameter of barrell (in) 36 YES 83 105 0,79 YES 3,00 2:1 1.79% 19.38 2 4.0 x 4.0 NO NIA NIA NIA N/A NIA SCOT CoLlINS1171 Lic. No. 0:35`7913 � jONAL 357913�'`S,rORAL S a r9l cr) Z CY) cyi CL LU U) ev ct 0 < Z Uj 0 C\I 0 Ct < cy F- Uj M 06 WCL CL ry, Z Z 0 0 >�„''r. U LUcti0 W mmmi Z0 o - q) 0 CL < f _j V) U < 0- U.J L1J V) 0ca X X Q) W I Z U1E D LIJ 0 Cr 06 ()f W L.0 Uj LU W 1Z Z j Z 0 C) O 0 LLJ < 0 0 6 XQ :S (1) () 0 V) 0 LLI UA E UA n E 0 U) JOB NO. 02009 ti V) > SCALE' 0 AS SHOWN SHEET NO. sa 0 0 ESC -3 uj U Z 0 U) Z U U) 2: cc W 0 0 0 _j ;!� W U) >ce an ui Uj 0- > Z 0 Uj U) > ce LLJ 0� a r9l cr) Z CY) cyi CL LU U) ev ct 0 < Z Uj 0 C\I 0 Ct < cy F- Uj M 06 WCL CL ry, Z Z 0 0 >�„''r. U LUcti0 W mmmi Z0 o - q) 0 CL < f _j V) U < 0- U.J L1J V) 0ca X X Q) W I Z U1E D LIJ 0 Cr 06 ()f W L.0 Uj LU W 1Z Z j Z 0 C) O 0 LLJ < 0 0 6 XQ :S (1) () 0 V) 0 LLI UA E UA n E 0 U) JOB NO. 02009 ti V) > SCALE' 0 AS SHOWN SHEET NO. sa 0 0 ESC -3