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Home My WebLink AboutWPO202100051 Plan - Revision 2023-01-17GENERAL NOTES OWNER TMP 09900-00-00-00800 MILL GROVE LLC 200 GARRETT STREET, STE H CHARLOTTESVILLE, VA 22902 ENGINEER COLLINSENGINEERING 200 GARRETT STREET, STE K CHARLOTTESVILLE, VIRGINIA 22902 TELEPHONE 434.293.3719 FAX (434)-293-2813 CONTACT MR. SCOTTCOLUNS, P.E. EMAIL: SCOTTna COLLINS-ENGINEERING. COM TAX MAP PARCEL TMP 09900-00-00-00800 AREA 6.17 ac. (PER COUNTY GIS) PURPOSE THIS PLAN PROPOSES TO INSTALL A DRIVEWAYAND DRIVEWAY ENTRANCE TO ACCESS THE EXISTING LOT. ZONING RA, RURAL AREAS USE RESIDENTIAL SUBDIVISION WATERSHED SOUTH BRANCH WATER SUPPLY WATERSHED TOPO & SURVEY TOPOGRAPHYAND BOUNDARYPROVIDED BYLINCOLN SURVEYING. THE SITE WAS FIELD VERIFIED IN APRIL OF 2021. DATUM NAD 83 SOUTH EXISTING VEGETATION THE PARCEL IS PARTIALLY WOODED PHASING CONSTRUCTION WILL OCCUR IN ONE PHASE. CRITICAL SLOPE CRITICAL SLOPES EXIST WITHIN THE SUBJECT PARCEL. SLOPES WERE PREVIOUS( Y IMPACTED WITHIN THIS AREA FOR DRIVEWA Y ENTRANCE. FLOODPLAIN THE PROPOSED PLAN DOES NOT CONTAIN 100-YEAR FLOODPLAINS AND IS LOCO TED WITHIN ZONE X PER FEMA MAP #51003CO255D WITH AN EFFECTIVE DATE OF 214105, H15TORICSTRUCTURES NO HISTORIC STRUCTURES WERE FOUND ON THI5 PROPERTY DURING FIELD INVESTIGATION OF THE SITE. COLLINS ENGINEERING IS NOT RESPONSIBLE OR LIABLE FOR ANY CONSTRUCTION OR DAMAGES TO THIS PROJECT PRIOR TO ALL FINAL PLAN APPROVALS. CONTRACTOR SHALL VERIFY OC4 TIONAAID ELEVATION OF ALL UNDERGROUND UTILITIES SHOWN ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO STARTING WORK. CONTACT ENGINEER IMMEDIA TELYIFLOC,4 TION OR ELEVATION IS DIFFERENT FROM THATSHOWIN ON THE PLANS, IF THERE APPEARS TO BE CONFLICT, AND UPON DISCOVERY OF A N Y UTILITY NO TSHO WN ON THE PLANS. LEGEND EDGE OF EXISTING PAVEMENT SUBJECT PROPERTY LIMITS ADJACENT PROPERTY LIMITS COUNTY DEFINED STEEP SLOPES PROPOSED DRIVEWA Y CUL VERT EXISTING CONTOUR 2oa PROPOSED CONTOUR EXISTING BMP SILT FENCE CULVERT INLET PROTECTION -DISTFNCE IS 6' MINIMUM IF FLOW 1 IS TmI EM&WgAEW OPTIONAL STONE COMBINATION "WCT 03, #357 OR g5 000VI TO RVIICE SILT FENCE IN " HOn>canoc wI HIGH VELOCITY OF FLOW IS EXPECTED TOTAL LBS GENERAL SLOPE (3:1 OR LESS) PER ACRE KENTUCKY 31 FESCUE 128 LBS. RED TOP GRASS 2 LBS. SEASONAL NURSE CROP 20 LBS. SEASONAL NURSE CROP 150 LBS FEBRUARY 16 THROUGH APRIL ANNUAL RYE MAY 1 THROUGH AUGUST 15 FOXTAIL MILLET AUGUST 16 THROUGH OCTOBER ANNUAL RYE NOVEMBER THROUGH FEBRUARY 15 WINTER RYE NOTES: 1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32. 2. SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION OF SEED APPLICATION, IN ACCORDANCE W/ VESCH STD 3.35. OPS PERMANENT SEEDING SCHEDULE NO SCALE (STD. & SPEC. 3.32 OF VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK, 3RD ED.) TABLE 3.31-C TEaff'ORARY SEEDING PLANT MATEMIS, SEEDING RATES, AND DATES SEEDING W RATE NORTH' BOVINE PLANT vl 5/1 8/IS 2/0Stl 9/1 SPECIES CHARACTERISTICS Acre 1000 ftt to to b b b b 4130 8/I5 Ill/ 4/30 9/1 11/15 OATS 7 W. (up to IOO lbc., 2 Ibs. X - - Use spring vsrifries Nublel. veru move) not leu rn.n sO It..) RYEa 2 W. (up b I101bs.. 2.5 IM. X - X X - % Um for she Rill seedivgs, wiekr ($gg(g �Oroijp) not Ims tlsw SO lhe.) u. Tolerates Fold and low N01&urt. 06RMAN MILLET 5016s. spptox. I Its. X - Wean-xaeon swml. Dim M 6rw (Setaria II16 I front. Mry be added to summer mixes. ANNUAL RYEGRA58` 601M. 1'1, IM. X - X % - X May ! cJded in mixm. Will ({dd19m twlE-Oorvml now not of nml swtda. WEEPING IS lb.. X s LOVECRASS ��rn1 t�m1hot. dry afepa ¢,p{{9pjig gurvulel led uid, infertile roils. Mry OF Ydli:fl In m1Am. KOREAN 75 ILa BRPFoB, li5 X X - X X - Warm etason atmuJ m legue. LESP6DE2A° Rx Tolmabe slid wilt. May! Mi lum tlded to mia®. • Northern Piedmont and Mountain Legion. See Plates 3.22-1 and 3.22-2. 6 Southern Piedmont and Coastal Plain. May be used as a cover crap with spring lading. it May be used as a cove clop with fall lading. X May be planted between these dates. - May IL4t be planted between these dates. STONE 70' MIN. CONSTRUCTION ACCESS 3"SM-2A ASPHALT TOP COURSE EXISTING y 2% PAVEMENT 6" MIN. 21A AGGREGATE BASEis PROFILE STONE 70' MIN. CONSTRUCTION ASPHALT PAVED ACCESS WASHRACK (STING y% I 2% PAVEMENT 12% 12'MlN' 1 � "MUST EXTEND FULL WIDTH POSITIVE DRAINAGE TO SEDIMENT OF INGRESS AND EGRESS TRAPPING DEVICE OPERATION PLAN 12' MIN. POSITIVE DRAINAGE TO SEDIMENT . .. � � TRAPPING DEVICE FILTER CLOTH SECT/ON A A A minimum water tap of 1 inch must be installed with a minimum 1 inch bal/cock shutoff valve supplying awash hose with diameter or 1.5 inches for adequate constant pressure. Wash water must be carried away from the entrance to an approved settling area to remove sediment. All sediment shall be prevented from entering storm drains, ditches or watercourses. PAVED WASH RACK \ NO SCALE ATTACH FILTER FABRIC TO STAKES OR POSTS 6 EXTEND /T INTO TRENCH Compacted Soil Non-Erodable Liner 18" min. 1 Flow 87 55 T M P 99-8DRIVEWAYENTRANCEROAD 86-86�87Be��aA387S6A2N-m 8]-6•w� 7ueza S A M U E L MILLER D I S T R I C T 87-5A� 87 52A m1y y0 q \ to 87-84D26/22 87-53A bA ybR, 87-56A1ALBEMARLE COUNTY VIRGINIA 8676A A.�� s`68675 SCO 87-Sa fl7-52 �'L w 4 P Ob R' P 87-66 (D'ss EX. 15" CULVERT �e7c3 y �`- LicT-1803J:_; _- ^Gb m 87A-2 d`P 87.56A d ^ �o a /`cs a ^�„ c76 ddd g tis7A-4 a yc m m/eP/i �e e768ATO BE REPLACED EXISTING dad 87-4 \65.21 IP WITH NEW 15" FLOODPLAIN ddddaaadd86 1, 7Z' O 993 -spy P��''�7A-15' a^Pp�b� g169 CMP CULVERT A\ c + m�� <,' �y ej� a7-7°" \_ L=8' W=4' D=2' �saM ��,�� S, 99-108C L=48 1 / 99=5 99-54 99-55 99-108D �.✓mt V 99�9 p } OP WITH FILTER FABRIC UNDERLAY MENT d11a� gg.5C o Q U9.7 9953 99-SSA 665.90 ��8„F2/Ih \ d�m tia ;w o C7 \ 991.1008H w INN TMP 087AO-00-00-006AO 6.,ram, > 659.7o DOUGLASMARY C Eve 99-52A 99 5699108 9.9\ 19SFB6Simi., ZONING: RA ees =E 9PROP 4441 PG. 165 9 S23'1510"W ° SITE s9-5s El EX. ENTRANCE TO \ \\E )9 a �� 9973 99-12 99-53A *A ' Q BE UPGRADED AS e>2\ - �� 3 \"' r ,e„o7 ,q ' 9910 a u _ O �J T -" 664.35 ysa\ O" 99-13A 99-59A c- F SHOWN \`. \ - p� RTE �Q o �Spppp� �6g2 „UP EXISTING CRITICAL VICINITY MAP o 0 0 CE \\\ ;� NV"- \\\�qNk R € � � 6657; SLOPES 111=iSooFT � g g \ - 62.62 U O PAVED CONSTRUCTION \ 70- ` o a Ur)z ENTRANCE 12'x7O' MIN. 66603 \ 0 o Z 1'L Will WASH RACK \ �16Wo f TS - - - - _ =670, \ - _ - \ > O o TMP 09900 00 00 00700 0, - o K2 v s 32 f - - - - - - - - - \ - \ - - \ ' \ I94 -56'F ' STAFFORD ROBIN ANNE hry - 1 \ - - - - _ - - - - - 672_ \670 ZONING: RA ^��' 2 - _ �Y K - - - - _ B W > O WOODEN �ry 683.85 - _ - ' ,'� 36 OP50 X k �� \� 665,99 IY O STAKEOR WB 169 PG. 89 Ce STEEL POST WELL 68 U) III 5MIN.) \ \ > SOURCE: VA. 4.5 DSWC min. PLATE 3.09-1 EXCAVATED SOIL BACKF/(LED AND coMPAc7ED 1111N II 4x4"TRENCH DD TEMPORARY DIVERSION DIKE 3.05-2 SILT FENCE sF (WITHOUT WIRE SUPPORT) FFORD 89 577 3 PLAT PLAT SOIL DESCRIPTION 22C3 - CULPEPPER CLAYLOAM-7% TO 15% SLOPES. SOILS OF THIS SERIES ARE VERY DEEP, WELL DRAINED, MODERATELY PERMEABLE, WITH MEDIUM TO HIGH POTENTIAL FOR SURFACE RUNOFF. 76 - RIVERVIEW LOAM-0% TO 5% SLOPES. SOILS OF THIS SERIES ARE VERY DEEP, WELL DRAINED, MODERA TEL Y PERMEABLE AND FORMED INLOAMYALLUVIUM ON FLOOD PLAINS. RUNOFF IS LOW, CAUSING THIS SOIL TO FLOOD FOR SHORT PERIODS MOSTLY IN WINTER OR EARLY SPRING MONTHS. 95 - WEHADKEE SILT LOAM-0% T02% SLOPES. SOILS OF THIS SERIES ARE VERY DEEP, POORL Y DRAINED, MODERA TEL Y PERMEABLE AND FORMED IN LOAMY SEDIMENTS. RUNOFFAND INTERNAL DRAINAGE IS VERY SLOW, AND MOST AREAS ARE FREQUENTL Y FL OODED. 705 700 695 12' GRAVEL DRIVEWAY Ego SLOPE=15.38% 8" DEPTH #25,26 STONE BASE U. by 675 670 665 N N the Community [ oafs County o+oo o+So i+oo i+So z+oo 2+50 3+00 CENTERLINE OF DRIVEWAY 3+So y+oo LU _IF 690- > 21690 PS r CHANNEL 06 cit e G w 690aa' ° � N N CD N _ o � 52\\,2' O1RTSTrOCKPILE CUB PO -690-_ IRS_ARCA 686. 4 \ \6 \ _ 699.73 ITS REVISED GRADING 24PINE30 & REMOVAL OF THE 02 - ROADSIDE DITCH V 693.27 16PINE30 - Cie)- _ 12MAP PIS _ N CLEARING LIMITS, _ RIPRAP F F ' E_ I - - NTS- --�\ 16 CED d N�1 �696 C:) _--VEL=_3.45FP-;s 91 N TMP 09900-00-00-00800 - 2aoAKao � 1.7. MILL GROVE LLC CZZO=2:78CES - - - - - - ; � z ZONING: RA D10=0.52FT � , _ W DIE,4884 PG. 238 -CLEARING LIMIT3� V a PROPOSED 12' WIDE ---- _�6PwE4o6�� W z � v _ op e J 710- GRAVEL DRIVEWAY -POP-12POP20 J Q � 8" #25,26 STONE BASE - zocEo4o - s� _ - - - - _ _ > - - - - / /1 v 711.03 DEPTH Vl NICCN ? ,/ SITE PLAN NOTES: W � z �N LIMITS OF DISTURBANCE - \ 1. CONTRACTOR SHALL CONTACT MISS UTILITY PRIOR TO � 12 --__ ANY EXCAVATION OR INSTALLATION OF THE EROSION Ur � 0.40 AC. CONTROL MEASURES. O L1J U 12. ANY DIRT STOCKPILE SHALL BE REMOVED WITHIN 1 YEAR 712- AND THE SITE GRADED BACK TO EXISTING CONDITIONS 0� O _ AND STABILIZED. THE EXISTING DRAINAGE PATTERNS Z Q Q 50 O - - _ 50 100 FEET +50 7 \ � SHALL BE RESTORED ONCE THE STOCKPILE IS REMOVED. _ > O I I - _ - - IF THE STOCKPILE IS NEEDED LONGER THAN ONE YEAR, U SCALE: , "=50' --7�n.zz - DID � THE APPLICANT SHALL NOTIFY THE COUNTY AND REQUEST LLJ 0� AN EXTENSION. I, \ W 3. THIS PLAN IS FOR A DRIVEWAY SERVING ASINGLE- W Y ------- ----- -- FAMILY HOME. W �/ E&S GENERAL NOTES EROSION CONTROL NOTES &NARRATIVE � GENERAL CONSTRUCTION NOTES FOR EROSIONAND SEDIMENT CONTROL PLANS PURPOSE: � U)� � I i. The plan approving authority must be notified one week poor to the pre -construction conference, one week prior to the commencement of land disturbing activity, THE PURPOSE OF THE LAND DISTURBING ACTIVITY /S TO CONSTRUCTAOR/VEWAYENTRANCE FOR VEH/CULARACCESS TO TMP 99-8 FROM PLANK T and one week prior to the final inspection. ROAD. THE PROPERTY /S LOCATED /N NORTH GARDEN /NALBEMARLE COUNTY VIRGIN/A. THE EXISTING ORIVEWAYACCESS TO THE PROPERTY WILL V 1 F- 2. A// erosion and sediment control measures will be constructed and maintained according t0 minimum standards and specifications of the Virginia Erosion and BE UPGRADED FOR BETTER ACCESS TO ALLOWA VEHICULAR ENTRANCE TO THE PROPERTY MEETING VDOT ENTRANCE REQUIREMENTS. THIS w � VF Sediment Contra/ Handbook and Virginia Regulations VR 825-02-00 Erosion and Sediment Contra/ PROJECT WILL /NVOLVEAPPROX/MATELY 0.40 ACRES OF LAND DISTURBANCE. ANY EXCESS D/RT FROM THE CONSTRUCT/ON OF THE DRIVEWAY Regulations. SHALL BE PLACED ON SITE /N THEAREA SHOWN ON THE PLANS. LLJ 3. Ail erosion and sediment control measures are to be placed prior to or as the first step In Gearing. EXISTING SITE CONDITIONS: � L.L 4. A copy Of the approved erosion and sediment control plan Shall be maintained On the Site at all times. THE SUBJECT PROPERTY /S LOCATEDALONG PLANK, EAST OFROUTE29. ITIS LOCATED IN ALBEMARLE COUNTY JUST SOUTH OFSOUTH BRANCH , ^ 5. Prior to commenting land disturbing activities in areas other than Indicated on these plans (including, but not limited to, off -site borrow or waste areas), the CREEK THIS SITE /S CURRENTLY VACANT, GRADUALLY SLOPING DOWNWARD NORTH TOWARD PLANK ROAD. THE MAJORITY OF THE LOTIS WOODEDAND THERE ARE CRITICAL SLOPES ALONG THE NORTHERN BOUNDARYADJACENT TO PLANK ROAD. � V, contractor shall submit a supplementary erosion control plan to the owner for review and approval by the plan ADJACENTAREAS: L approving authority. THE PROPERTY IS BORDERED TO THE NORTH BYPLANKROAD AND SOUTH BRANCH CREEK. THE PROPERTY IS SURROUNDED TO THE WEST AND � f 6. The contractor is responsible for installation of any additional erosion control measures necessary to prevent erosion and sedimentation as determined by the plan SOUTH BYRURAL PROPERTIES WITH RESIDENTIAL HOUSES. ACHURCH /S LOCATED EASTOF THE PROPERTY. F- approving authority. OFFSITE LAND DISTURBANCE: W 7. All disturbed areas are to drain to approved sediment control measures at all times during land disturbing activities and during site development until final NO OFFSITE LAND DISTURBANCE /S PROPOSED WITH THIS SET OF PLANS. N stabilization is achieved. CRITICAL AREAS L-I- 8. During deWatedng opefafions, water Will be pumped into an approved filtering device. CR/T/CAL SLOPES EXIST ON THIS PROPERTYALONG THE NORTHERN BOUNDARYADJACENT TO PLANK ROAD. AOR/VEWAYALREADYEXISTS FROM 9. The contractor shall inspect a// erosion control measures periodically and after each runoff producing rainfall event Any necessary repairs or cleanup to maintain the PLANK ROAD TO THE PROPERTY. THIS DRIVEWAY WILL BE UPGRADED FOR BETTER VEH/CULARACCESS FROM PLANK ROAD TO THE PROPERTY, MEETING MOOT REQUIREMENTS. EROSION CONTROL MEASURES SHALL BE IMPLEMENTED TO PROTECT THE EX/STING GRIT/CAL SLOPES /NTHIS AREA. effectiveness Of the erosion control devices shall be made immediately. SEQUENCE OF CONSTRUCT/ON: 10. All rill material to be taken from an approved, designated borrow area. 1. NOTIFY THEALBEMARLE COUNTY EROSION CONTROL INSPECTOR TO SCHEDULER PRE -CONSTRUCTION MEETING AS REQUIRED. 11. All waste materials Shall be taken t0 8n approved waste area. Earth (Ill shell be inert materials Only, free of roots, stumps, wood, rubbish, and other debris. 2. FLAG THE CLEARING LIMITS AND WOODED AREA THAT /S TO REMAIN. � Q 12. Borrow Of waste areas are t0 be fBClBImBd within 7 days Of COmplBtlOD per Zoning Ordinance section 5.1.28. 3. NO EROSION CONTROL MEASURES MAYBE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THEAPPROVAL FROM THE INSPECTOR ON 13. Alf inert materials shall be transported in compliance with section 13-301 of the Code Of Albemarle. THEPROJECT. CV 14. Borrow, (III Or waste activity involving industrial -type power equipment Shell be limited t0 the hours Of 7.'008m t0 9:001 4. INSTALL THE INITIAL EROSION CONTROL MEASURES AS SHOWN ON THIS SHEET. INSTALL THE SILT FENCE AND CONSTRUCTION ENTRANCE AS 15. Borrow, fill or waste activity shall be conducted in a sale manner than maintains lateral support or order to minimize any hazard to persons, physical damage to SHOWN. THESE MEASURE /S INTENDED TO TRAP SED/MENTAND SHALL RECONSTRUCTED AS A FIRST STEP INLAND D/STURBANCEACTIV/TIES AND adjacent land and improvements, and damage to anypublic street because O Slides, Sinking, Or Collapse. SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE THE CONTRACTOR /S TO STAY WITHIN THE LIMITS OF 18. The developer Shall reserve the right to inSfa//, maintain, remove or convert t0 permanent Sto/%nWatef management facilities Where applicable all erosion Control D/STURBANCEATALL T/MESAND ENSURE POSITIVE ORA/NAGEALONG ANY MEASURES INTENDED TO DIVERT WATER. � w 5. INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE EROSION CONTROL PLAN. J measures Squired by this plan regardless Of the Sale of any lot, unit, building or otherportion Of the properly 6. ONCE ALL THE EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE EROSION CONTROL PLAN AND THE COUNTY INSPECTOR HAS � F 17 Temporary sfabll/zat%on shall be temporary seeding and mulching. Seeding is to 6e at 75Ibs/acre, and in the months of September to February to consist a 50/50 APPROVED THE EROSION CONTROL MEASURES, THE CONTRACTOR CAN INSTALL THE ORIVEWAYAS SHOWN ON THE PLANS. THE CONTRACTOR SHALL I) mix of Annual Ryegrass and Cereal Winter Rye, Of in March and April to consist ofAnnual Rye, or May INSTALL THE UPGRADED CULVERT PIPE ALONG PLANK ROAD, INSTALLING THE CULVERT INLET PROTECTION AND OUTLET PROTECT/ON WITH THE � w through August to consist of German Millet. Straw much is t0 be applied at 80/bs/f00sf. Alternatives are subject to approved by the County erosion control inspector. CULVERTP/PE O w _ 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agriculture/ glade limestone shall be applied at 90/bs/1000sf, incorporated into 7. PERMANENT OR TEMPORARY SOIL STAB/L/ZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE /S REACHED W a to the top 4-6 inches of soil. Fertilizer shall be applied at 100011is/acfe and consist of 10.20-10 nutrient ON ANY PORT/ON OF THE SITE.TEMPORARY SOIL STAB/L/ZAT/ON SHALL BEAPPL/ED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAYNOT BEAT FINAL GRADE BUT WILL REMAIN DORMANT(UNDISTURBED)FOR LONGER THAN 30 DAYS. PERMANENTSTABILIZATION SHALL BEAPPL/ED TO AREAS JOB NO. mix Permanent Seeding shall l78 applied at 180I65/acro and Consist Of 95% Kentucky 31 Of Tall Fescue and 0-5% Perennial Ryegras5 Of Kentucky Bluegrass. Straw THATARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 172138 t -t mulch is to be applied at 80/bs/100sf. Alternatives are subject t0 approved by the County erosion contra/ 8. AN DISTURBED AREAS OR STOCKPILES SHALL BE STRAWED AND SEEDED AS SOON AS THE D/RTOPERAT/ONSARE COMPLETED. J. 7Z 1 3H inspector. 9. UPON COMPLETION OF THE DRIVEWAY ENTRANCE, PERMANENTLYSEED AND STRAW THED/STUBBED AREAS. MAINTAIN THE EXISTING DRAINAGE 19. Maintenance: All measures are to be inspected weekly and after each rainfall Any damage Or dogging to Structural measures is to be repair immediately. Silt traps PATTERNS ON THE PROPERTY, AS SHOWN ON THE PLANS. INSTALL THE R/PRAP D/TCHALONG THE DRIVEWAY are to be leaned when 50% of the wet storage volume Is filled with sediment. All seeded areas are to be 10. MA/NTA/MALL ERGS/ON CONTROL MEASURES AS SPECIFIED /N THE VIRGINIA EROSION AND SED/MENTCONTROL HANDBOOK, REMOVING ONLY SCALE reseeded when necessary to achieve a good stand of grass. Silt fence and diversion dykes which are collecting sediment to half their height must be caned and WHEN APPROVED BY THE COUNTYENG/NEER /NACCORDANCE WITH THE VIRGINIA EROSIONAND SEDIMENT CONTROL HANDBOOK. " ' if. ALL TEMPORARY EROSIONANO SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYSAFTER FINAL SITE STAB/L/ZAT/ON OR AFTER repaired immediately. THE TEMPORARYME,ASURES ARE NO LONGER NEEDED, UNLESS OTHERWISEAUTHORIZED BY THE LOCAL PROGRAMADM/N/STRATOR. TRAPPED 1 -5� 20. All temporary erosion and sediment control measures are t0 be removed within 30 days of final site stabilization, when measures are no longer needed, subject to SED/MENTAND THE DISTURBED SOIL AREAS RESUL TING FROM THE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENT[ Y STABILIZED approval by the County erosion control %nSpBCtOf. TO PREVENT FURTHER EROSIONAND SEDIMENTATION' SHEET NO. 21. This plan shall be void i(the owner does not obtain a permit within 1 year o(the date ofapprova/. (Water Protection Ordinance section 17-204G.) 22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the land disturbing activity commenced. (Water Protection 1 O F 1 Ordinan section 17- 2078)