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WPO201300062 Plan - Approved 2013-09-09
0EYVEW4.L MOTES.. OWNER: WRIGHT 104, LLC 707 EAST JEFFERSON STREET CHARLOTTESVILLE, VA 22902 ENGINEER: COLLINS ENGINEERING 200 GARRETT STREET, SUITE K CHARLOTTESVILLE, VA 22902 434.293.3719 TAX MAP PARCELS: T.M.P. 101 -2 D.B. 4122 Pg. 715 T.M.P. 101 -2C Q.B. 4256 Pg. 443 T.M.P. 101 -2B D.B. 4256 Pg. 443 TOTAL SITE ACREAGE = 58.04 ACRES ZONING: RURAL AREA 45.85 ACRES 6.49 ACRES 5.70 ACRES 1 1 • i EROSION 8t SEDIMENT CONTROL PLAN USE: VACANT LAND - TIMBERED LAND NEEDING EROSION AND SEDIMENT CONTROL EXISTING CONDITIONS: SITE HAS BEEN TIMBERED, EXISTING RIPRAP DITCHES AND DRIVEWAYS RUN THROUGH THE PROPERTY. THE REMAINING PORTION OF THE SITE IS CURRENTLY WOODED. FLOODPLAIN: NO FLOODPLAIN EXISTS ON THE SUBJECT PROPERTY, PER FEMA MAP #51003C, PANEL 0405D STREAM BUFFERS: NO STREAM BUFFERS EXIST WITHIN THE LIMITS OF THE PROJECT AREA. TOPOGRAPHY: TOPOGRAPHY AND BOUNDARY OF THE SITE WERE PROVIDED BY VIRGINIA RESOURCE MAPPING, MARCH, 2013. DATUM: NAVD88 CRITICAL SLOPES: CRITICAL SLOPES EXIST ON THE SUBJECT PROPERTY WHERE SHOWN ON THE PLANS WATERSHED. NORTH FORK HARDWARE RIVER WATERSHED NOTES: THERE ARE NO KNOWN GRAVES OR MARKINGS OF A PLACE OF BURIAL ON 1rHE PROPERTY OCTOBER 4, 2013 SAMUEL MILLER MAGISTERIAL DISTRICT ALBEMARLE COUNTY, VIRGINIA MP 10100- 00 -00- 02A1-. � WRIGHTr10 'EEC X45!85 ACRES - - JI/ / / // j // /l 1,9.B. 4261, PQ: 394 _ - - _ 1 / / J ZONED: ,&ZCIRAL 'AR\ EA Z -wit' /� - -�'� % i � / / / //� / // / / / �;` /.��✓/��n, /L �'`�1�_ —�\ \ —.��� �`�-�/ / f //',/ / i/ mfr // �/� / / / / i � .: ,�✓ JG � � / / / / % � I /._ / T�P 10100- 00- 400�0�24 ; \ \\\ \ \` \�\ s�,/�� �, ,y �� M ��-/ iI1f WIGHT 104 LLY 1 \� \ \ \� \x?t��C` �x� ``�rC� 45.85 ACRES D.Q. 4122, PG. /715 ZONED: RU �AC ARLIA \ \ \\ \` \ \\ \ ` ��� \\ \ \4� \\ \ \� k V// Jr� > I \< � �` 1 I�'\ - - aa�co--' �� a�-/ - � � , ei / � 1�00..fJO� -_ - _ ��TMP,�01� 09'9 �i f ,' I ff 1 E4,, tLC� _ _ _ - -_ - J WRF�HT 104,L-LC it 1 A\G�ES .425E 413:- 0. Q :-�_RUR L-ARE/z:_-- - - __ _ - - ZQE,,:; 'R R L�ARE/�/ / / / / y / // 7� �\ `• \ \' \ -� -� _...._ SHEET LAYOUT SCALE: 1" = 160' ROADS U A 6" 6" DUDLEY MOUNTAIN ESC PLAN TITLE SHEET COVER SHEET 1 EROSION & SEDIMENT CONTROL NARRATIVE & NOTES 2 EROSION & SEDIMENT CONTROL PLAN & DETAILS 3 TOTAL SHEETS 3 }PY This copy of the approved Plan is roaorvod for 10 afflolal fries of Albom&W County, Please cio riot rorfiavo thlt, la_h from the file. APPROVED by the Albemarle County Community Development Department Date'�6 Zt�! He G`1�'UYf3 cr�O�� /7 (:�Ar- 0 O �LOIVIII`Rq. COLLINS �Z U No. 35791 101413 �� _TONAL Z z J 0_ ¢ r- oUm w D 0 J O M > W W ce LU 0 0 ROUTE 631 , D 1 VICINITY MAP SCALE: 1" = 3000' LEGEND EXISTING CULVERT EARTH DITCH CUL VERT DRIVEWAY CULVERT DROP INLET & STRUCTURE NO. BENCH MARK CURB CLEARING LIMITS CURB & GUTTER -' — — '-' — PROPOSED PAVEMENT -Ss- VDOT STANDARD STOP SIGN EC -3A DITCH - - - -Z00- ` - - EXIS77NG CONTOUR DEPTH OF EC -3A DITCH 200 PROPOSED CONTOUR EC -2 DITCH 240.55 PROPOSED SPOT ELEVA 77ON 7BC DENOTES TOP /BACK OF CURB DEPTH OF EC -2 DITCH T/B DENOTES TOP OF BOX DUDLEY MOUNTAIN ESC PLAN TITLE SHEET COVER SHEET 1 EROSION & SEDIMENT CONTROL NARRATIVE & NOTES 2 EROSION & SEDIMENT CONTROL PLAN & DETAILS 3 TOTAL SHEETS 3 }PY This copy of the approved Plan is roaorvod for 10 afflolal fries of Albom&W County, Please cio riot rorfiavo thlt, la_h from the file. APPROVED by the Albemarle County Community Development Department Date'�6 Zt�! He G`1�'UYf3 cr�O�� /7 (:�Ar- 0 O �LOIVIII`Rq. COLLINS �Z U No. 35791 101413 �� _TONAL Z z J 0_ ¢ r- oUm w D 0 J O M > W W ce LU 0 0 ERO lO CONTROL HANDBOOK RSPEC RCA 17ONMNUMBER CON7ROL SAFETY FENCE 3.01 CE CONSTRUCTION EN77?ANCE 3.02 SF x -x x- SIL T FENCE 3.05 L J TEMPORARY SEEDING 3.31 PS PS PERMANENT STABILIZATION 3.32 MU Mu MULCHING 3.35 TP 0 13 TREE PR07ECTION J. 38 DC DC DUST CONTROL 3.39 ROCK CHECK DAM 3.20 LIMITS OF DISTURBANCE - - -- SOILS BOUNDARY BAFFLE �■� DRAINAGE DIVIDE RLIM FABRIC MTMCHm 6' e im"101t 11 _i.��iL% � / ►_ fit. � ►_ TABLE 3.31 -8 ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS "QUICK REFERENCE FOR ALL REGIONS" Rate Man( illS12d 1 Sep ties albs. a re) Sept. 1 - Feb. 15 50/50 Mix of Annual Ryegrass (L.nlium multi- flnrum) & 50 - 100 Cereal (Winter) Rye (Secale cereale) Feb. 16 - Apr. 30 Annual Ryegiam 60-100 (Lulium multi - durum) May 'I - Aug 31 German Millet 50 (Selaria italica) Source: Va. DSWC TABLE 3,31•A LIMING REQUIREMENTS FOR TEMPORARY SITES Recommended Application pH Test of Agricultural Limestone below 4,2 3 tons per acre 4.2 to 5.2 2 tons per acre 5.2 to 6 1 ton per acre ROCK C'HKC K' DAM 2 ACRES OR LESS CF DRAINAGE ARIIA: y- I F�S'� R!7i1 !NOR'NS"f ulu �7E'8i ruoa zt - I 3 10 ACRC,S' OF D&UNAGF. ARLOA: -I- C T.LT-'P n uni M 3' l:i0D53rkjs�1 lr:f "'Rj � %Tor rl Fn-x:v ucmx:an •- 'ilYw�l lC: Niil' 5mrce: Va- DSWC.' 1611e 1.20-1 111 137 EROSION & SEDIMENT CONTROL MEASURES: STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING. 3.01 SAFETY FENCE., A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CON7ROL MEASURE. TO PROHIBIT 774E UNDESIRABLE USE OF AN EROSION CON7ROL MEASURE BY THE PUBLIC. APPLICABLE TO ANY CON7ROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY VIRTUE OF P07EN77AL ACCESS BY THE PUBLIC. 3.02 CONSTRUCTION ENTRANCE: A STABILIZED PAVED CONS TRUC77ON EN IRA NCE WITH A WASH RACK LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBJLIC ROADS BY MOTOR VEHICLES OR RUNOFF. C0NS7RUC77ON ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ON750 PUBLIC ROADWAYS. 3.05 SILT FENCE,• A TEMPORARY SEDIMENT BARRIER CONSIS77NG OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONS7RUCTION OPERA77ONS IN ORDER TO PREVENT SEDIMENT FROM L'EAVNG THE St 7E; ANO TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO- MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS Wl7H MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 3,08 CULVERT INLET PROTECTION,• TO PREVENT A SEDIMENT FlL TER LOCATED A T THE INLET TO STORM SEWER CULVERTS. SEDIMENT FROM ENTERING, ACCUMULA 77NG IN AND BEING 7RANSFERRED BY A CULVERT AND ASSOCIATED DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZATION OF A DISTURBED PROJECT AREA. TO PROVIDE EROSION CONTROL AT CULVERT INLETS DURING THE PHASE OF A PROJECT WHERE ELEVA77ON AND DRAINAGE PATTERNS CHANGE, CAUSING ORIGINAL CONTROL MEASURES TO BE INEFFEC77VE OR IN ,NEED OR REMOVAL. WHERE CULVERT AND ASSOCIA7ED DRAINAGE SYSTEM IS TO BE MADE OPERA77ONAL PRIOR TO PERMANENT STABILIZATON OF THE DISTURBED AREA. 3.09 TEMPORARY DIVERSION DIKE,• A TEMPORARY RIDGE OF COMPACTED .SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT- 7RAPPING FACILITY SUCH AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMW47ER RUNOFF MUST BE TEMPORARILY DIVERTED TO PR07E'CT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON S 17E- DURING CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WI7H PROPER MAINTENANCE. 3.13 TEMPORARY SEDIMENT TRAP: A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF 7HE SEDIMENT TO SETTLE OUT USE BELOW DISTURBED AREAS WHERE THE TOTAL CON7RIBU77ING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE CONS7RUCTED El7HER INDEPENDEN R Y OR IN CONJUMC77ON WI TH A TEMPORARY DI VERSION DIKE. 3.18 OUTLET PRO7EC770N STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPA77NG DEVICES PLACED AT 7HE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE POTEN77AL FOR DOWNSTREAM EROSION BY REDUCING 7HE VELOCITY AND ENERGY OF CONCEN7RATED STORMWATER FLOWS APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS 3.19 RIPRAP: A PERMANENT, EROSION - RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WI7H FILTER FABRIC OR GRANULAR UNDERLINING. TO PROTECT THE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING THE P07EN77AL FOR INFILTRA770N, AND TO STABILIZE SLOPES WITH SEEPAGE PROBLEMS, AND /OR NON - COHESIVE SO /LS. USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETA77VE COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS. 3.20 CHECK DAMS.• SMALL TEMPORARY DAMS CONS7RUC7ED ACROSS A SWALE OR DRAINAGE DITCH. TO REDUCE THE VELOCITY OF CONCENTRATED STORMWA TER FLOWS, THEREBY REDUCING EROSION OF THE SWALE OR DITCH. THIS PRAC77CE ALSO TRAPS SEDIMENT GENERATED FROM ADJACENT AREAS OR THE DITCH ITSELF, MAINLY BY PONDING OF THE STORMW47ER RUNOFF. 3.31 TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SEDIMENTA7ON BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE- AREAS, AND TO PROVIDE PR07E'C77ON TO BARE SOILS EXPOSED DURING CONS7RUC7ION UNTIL. PERMANENT VEGETA77ON OR OTHER EROSION CONTROL MEASURES CAN BE ESTABLISHED. 3.32 PERMANENT STABILIZATION: THE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DISTURBED AREAS BY PLAN77NG SEED. TO REDUCE EROSION AND DE C REASE SEDIME NT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MA7ERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION AC77W77ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. 3.39 DUST CON7ROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEM0LI77ON AND CONSTRUCTION AC77W77ES TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CON7ROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. EROSION CONTROL NOTES ES -1: UNLESS OTHERWISE INDICATED, ALL VEGETA 71 VE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND D SPECIFICATIONS TIONS OF MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECI C THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VT 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULA TONS. ES -2: THE PLAN APPROVING AUTHORITY MUST BE N077FIED ONE WEEK PRIOR TO THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. ES-J.-ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT LIM17ED TO„ OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. ES -6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY' ADDITIONAL EROSION CON7ROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AU THORI TY. ES -7.• ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING AC77VI TIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. ES -8: DURING DEWA TERING OPERA TONS, WATER WILL BE PUMPED IN 70 AN APPROVED WATER FILTERING DEVICE. ES -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. EROSION CONTROL NOTES 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING AC77VITY, AND ONE WEEK PRIOR TO THE FINAL INSPEC770N. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CON57RUCTEDD AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF 7HE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULA7IONS VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS. J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS 774E FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON 774E SITE AT ALL TIMES 5. PRIOR TO COMMENCING LAND DISTURBING AC77W77ES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIM17ED TO, OFF -SITE BORROW/ OR WASTE AREAS), THE CON7RACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CON7RACTOR IS RESPONSIBLE FOR INSTALLA7ON OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTA7ON AS DETERMINED BY THE PLAN APPROVING AUTHORITY. Z ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING AC77VI77ES AND DURING S17E DEVELOPMENT UN77L FINAL STABILIZA7ON IS ACHIEVED. 8. DURING DEW47ERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED RL 7E"RING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PEERIODICALLY 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. 10. ALL FILL MA7ERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WA57E• AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SEC77ON 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECT70N 13 -301 OF THE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE AC77WTY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7:00 AM TO 9:00 PM. 15. BORROW, FILL OR WASTE AC77V TY SHALL BE CONDUCTED IN A SAFE M ANNER THAT MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC S7REET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REA40VE OR CONVERT TO PERMANENT STORMWATFR MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF 7HE SALE OF ANY LOT, UNIT, BUILDING OR OTHER POR77ON OF THE PROPERTY. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS /ACRE, AND IN THE MON7HS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50150 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST Tr0 CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBSIIOOSF. A# 7ERNA77VES ARE RO CONTROL INSPECTOR. SUBJECT T EROSION SUB 0 APPROVAL BY THE 18. PERMANENT STABILIZATION SHALL BE LIME AND FER7LIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS11000SF, INCORPORATED INTO THE TOP 4 -6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT 1000LBS /ACRE AND CONSIST OF A 10 -20 -10 NUTRIENT MIX. PERMANEiNT SEEDING SHALL BE APPLIED AT 180LBS /ACRE AND CONSIST OF 959 KENTUCKY 31 OR TALL FESCUE AND 0 -5X PERENNIAL RYGRASS OR KENTUCKY BLUEGRASS. STIRAW MULCH IS TO BE APPLIED AT 80LBS1100SF. AL7ERNA77VES ARE SUBJECT TO APPRROVAL BY 7HE EROSION CONTROL ER ON C L INSPECTOR. 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPEC7ED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TrO BE REPAIRED IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WE7f STORAGE VOLUME IS FILLED WITH SEDIMENT ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL S17E STABILIZA T70N, WHEN MEASURES ARE NIO LONGER NEEDED, SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. 21. THE E &S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE E &S COMI7R0LS AS NECESSARY IN THE FIELD AS SITE COND177ONS CHANGE. IN ADD/770N, NO SEDIMENT BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION. PERMANENT STABILIZATION PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED ,AREAS AS PER THE PERMANENT STABILIZATION OF THIS EROSION & SEDIMENT CONTROL NARRATIVE. AFTER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED, FERTILIZED, AND SEEDED AS PER CURIRENT VDOT STANDARDS. THIS SHALL CONSIST OF THE FOLLOWING; TOPSOIL - 2" DEPTH, LIME - 2 TONS /ACRE, FERTILIZER - 600 LBS /ACRE OF 15 -30 -15 SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX- 714 (45 LBS /ACRE PENNLA WN CREEPING RED FESCUE, JZ 5 LBS /A1 CRE ARGILS KENTUCKY BLUEGRASS, JZ5 LBS /ACRE PARK KENTUCKY BLUEGRASS, 15 LBS /ACRE ANNUAL RYEGRASS & 15 LBS /ACRE PLEASURE PERENNIAL AFTER THESE AREAS ARE STABILIZED, THEY WILL BE MOWED AND MAINTAINED ON A REGULAR BASIS MAINTENANCE: IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASUIRES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. :SPECIFIC ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS.• A. SEDIMENT BASINS AND /OR TRAPS WILL BE CLEANED? AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION &r SEDIMENT CONTROL HANDBOOK. IN ADDITION, THE COMPARTMENTS OF THE SEDIMENT BASINS WILL BE CONTINUALLY CLEANED ON A ROUTINE BASIS. B. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARL r 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 REGULARL Y FOR UNDERMINING OR DETERIORATION OF THE FABRIC 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 THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED' AND RESEEDED AS NEEDED. DESCRIPTION OF EROSION & SEDIMENT CONTROL MEASURES: EROSION AND SEDIMENT CONTROL MEASURES: IT IS AN77CIPATED THAT A CONSTRUCTION EN7RANCE, DIVERSION DIKES Wl77-1 CHECK DAMS, A SEDIMENT TRAP, CULVERT INLET PROTECTION, OUTLET PROTECTION, AND SILT FENCE WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING AND DUST CONTROL WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE AC77VI77ES. TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED FROM AREAS TO BE GRADED AND STORED FOR LATER SPREADING. STOCKPILE LOCA77ONS SHALL BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETA77VE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION AC77W77ES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. SELEC77ON OF SEED MIXTURE WILL DEPEND ON 774E 77ME OF YEAR APPLIED. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST GERMINA77NG VEGETA77ON IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS SELEC77ON OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. CONS7R -[( C77ON ENTRANCE.• A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT THE POINT OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. A PAVED CONSTRUCTION ENTRANCE SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS SILT FENCE.• A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYN7HE77C FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPOR77NG POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING 7HE SITE TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO- MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPEC7E'D IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROS /ON & SEDIMENT CONTROL HANDBOOK (VESCH). CULVERT INLET PROTECTION TO BE INSTALLED AT THE EXISTING AND PROPOSED CULVERTS ALONG THE EXISTING DRIVEWAY. PERMANENT STABILIZA7ON: THE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DISTURBED AREAS BY PLAN77NG SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO S17E CONOl7IONS, AND ALLOWS SELEC77ON OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLE7ION OF CONSTRUCTION AC7IVI7ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETA77VE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE- RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SEDIMENTA77ON BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE PR07EC77ON TO BARE SOILS EXPOSED DURING CONSTRUCTION UN77L PERMANENT VEGETA77ON OR 077-IER EROSION CONTROL MEASURES CAN BE ESTABLISHED. DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOL177ON AND CONSIRUC77ON AC77W77ES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, 7RAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. TEMPORARY DIVERSION DIKE, A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM UNPROTECTED SLOPES AND TO A STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT 7RAPPING STRUCTURE. MAXIMUM EFFECTIVE LIFE 15 18 MONTHS TEMPORARY SEDIMENT TRAP.• A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT W17H A STONE OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS FOR ENOUGH 77ME TO ALLOW MOST TO THE SUSPENDED SOLIDS TO SETTLE OUT MAXIMUM EFFEC77VE LIFE IS 18 MONTHS. OUTLET PROTECTION: THE INSTALLA7ON OF RIPRAP CHANNEL SEC77ONS AND /OR S77LLING BASINS BELOW STORM DRAIN OUTLETS TO REDUCE EROSION AND UNDER- CUT7NG FROM SCOURING AT OUTLETS AND TO REDUCE FLOW VELOCITIES BEFORE STORMWATFR EN7FRS RECEIVING CHANNELS BELOW THESE OU7LE7G SAFETY FENCE.• A PROIEC77VE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL MEASURE. CHECK DAM: A DAM ALONG A DITCH WHICH REDUCES VELOCITY AND THUS PREVENTS EROSION AND ALLOWS SEDIMENT -LADEN RUNOFF TO SETTLE. TEMPORARY SEEDING: ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR AND WILL BE APPLIED TO DISTURBED ARES THA T WILL NOT BE BROUGHT TO FINAL GRADE WITHIN 30 DAYS. PLANTS SHOULD BE SELECTED APPROPRIATE TO THE SEASON AND SITE CONDITIONS FROM TABLES 3.31 B AND 3.31 C. N07E THAT TABLE 3.31B PRESENTS PLANTS WHICH CAN BE USED WITHOUT EXTENSIVE EVALUATION OF SITE COND177ONS; TABLE 3.31 C PRESENTS MORE IN -DEPTH INFORMATION ON THE PLANT MATERIALS TO CONTROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO GERMINATE AND GROW. SEEDBED PREPARATION IS ESSENTIAL. AN EVALUATION SHOULD BE CONDUCTED TO DETERMINE IF LIME IS NECESSARY FOR TEMPORARY SEEDING. TABLE 3.31A MAY BE USED TO DETERMINE THE ACTUAL NEED ALONG WITH SUGGESTED APPLICATION RATES: FERTILIZER SHALL BE APPLIED AS 600 LBS /ACRE OF 10 -20 -10 (14 LBS /1, 000 SQ. FT.) OR EQUIVALENT NUTRIENTS LIME AND FERTILIZER SHALL BE INCORPORATED INTO THE TOP 2 TO 4 INCHES OF THE SOIL IF POSSIBLE. IF THE AREA HAS BEEN RECENTLY LOOSENED OR DISTURBED, NO FURTHER ROUGHENING IS REQUIRED. WHEN THE AREA IS COMPACTED, CRUSTED, OR HARDENED, THE SOIL SHALL BE LOOSENED BY DISCING, RAKING, HARROWING, OR OTHER ACCEPTABLE MEANS. TRACKING WITH BULLDOZER CLEATS IS MOST EFFECTIVE ON SANDY SOILS THIS PRACTICE OFTEN CAUSES UNDUE COMPACTION OF THE SOIL SURFACE, ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PLANT GROWTH AS EFFECTIVELY AS OTHER METHODS OF SURFACE ROUGHENING. SEED SHALL BE EVENLY APPLIED W17H A BROADCAST SEEDER, DRILL, CUL TIPACKER SEEDER OR HYDROSEE•DER. 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 4 INCH TO j DEEP. SEEDINGS MADE IN FALL FOR WINTER COVER AND DURING HOT AND DRY SUMMER MONTHS SHALL BE MULCHED ACCORDING TO MULCHING, STD. & SPEC. 3.35, EXCEPT THAT HYDROMULCHES (FIBER MULCH) WILL NOT BE CONSIDERED ADEQUATE. STRAW MULCH SHOULD BE USED DURING THESE PERIODS. AREAS WHICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION WILL BE RE- SEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. EROSION CONTROL NOTES & NARRATIVE PURPOSE, THE PURPOSE OF THIS LAND DISTURBING ACTIVITY IS FOR THE STABILIZA 77ON OF RURAL LAND 77-IA T HAS BEEN TIMBERED. THE TOTAL AREA TO BE DISTURBED WITH THIS WORK IS 2281 ACRES. EXIS71NG SITE CONDITIONS: THE SITE IS AN EXISTING PARCEL THAT HAS BEEN TIMBERED. AN EXISTING DRIVEWAY OFF OF DUDLEY MOUNTAIN ROAD EXISTS AND RUNS THROUGH THE CENTER OF THE SITE. AN EXISTING RIPRAP DITCH AND CULVERTS EXIST ON THE UPHILL SIDE OF THE DRIVEWAY. A SECOND RIPRAP DITCH CUTS 7HROUGH THE S17E" DIRECTING WATER TOWARDS THE DRIVEWAY AND CULVERT. THE MAJORITY OF THE DISTURBED AREA IS BETWEEN THE S17E HIGH POINT AND THE DRIVEWAY, AND DRAINS TOWARDS DUDLEY MOUNTAIN ROAD. ADJACENT AREAS, THIS SITE IS BORDERED BY PRIVATE RESIDENCES AND RURAL LAND, AND DUDLEY MOUNTAIN ROAD TO THE NORTHWEST. OFF517E• LAND DISTURBANCE, NO OFFSITE LAND DISTURBANCE PROPOSED CRI77CAL AREAS: 774E EXIS77NG DUDLEY MOUNTAIN ROAD SHALL BE PROTECTED WITH THE PROPOSED WORK. SEDIMENT SHALL BE INTERCEPTED AND CONVEYED TO A SEDIMENT BASIN AND TRAP BEFORE BEING RELEASED TOWARDS THIS ROAD WAY. S0, ILS. SOILS MAP IS INCORPORATED INTO THE EROSION CON7ROL PLANS WITH SOILS DATA INCLUDED WITH THIS NARRA77VE. SEQUENCE OF CONSTRUC770N: 1. IV077FY ALBEMARLE COUNTY TO SCHEDULE A PRE- CONSTRUC7ON MEETING AS REQUIRED. 2. NO EROSION CON7ROL MEASURES MAY BE REMOVED DURING THE CONSTRUCT70N PROCESS WITHOUT THE APPROVAL FROM 774E INSPECTOR ON THE PROJECT. 3. INSTALL 774E PAVED CONSTRUCTION ENTRANCE AS SHOWN ON THE PLANS AT THE DRIVEWAY ENTRANCE OFF OF DUDLEY MOUNTAIN ROAD. THE CONSTRUC77ON ENTRANCE SHALL BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE 7HE TRANSPORT OF SEDIMENT BY (VEHICULAR) 7RACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC D SURFACE, O ROA ACE TH U E ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPOR77NG TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. 4. INSTALL THE IN177AL CONS7RUC77ON MEASURES AS SHOWN ON THE EROSION CONTROL PLAN SHEETS 77-IIS INCLUDES THE SEDIMENT 7RAP, DIVERSION DIKE REPAIRS, CULVERT INLET PROTECTION, SILT FENCE, AND OUTLET PROTECTION TO BE INSTALLED AT THIS TIMEE, STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES, AND DIVERSIONS IMMEDIATELY AFTER INSTALLA770N. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE AC77VITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 5. ALL REMAINING 517E AREAS SHALL BE LIMED, FERTILIZED, AND SEEDED. 6. PERMANENT OR TEMPORARY SOIL STABILIZA7ON SHALL BE APPLIED TO DENUDED AREAS W77HIN SEVEN DAYS AFTER FINAL GRADE 1S REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DA YS TO DENUDED AREAS THA T MA Y NOT BE A T FINAL GRADE, BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS PERMANENT STABILIZA7ON SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. Z ONCE THE SITE" IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CON7RACTOR CAN REMOVE THE EROSION CONTROL MEASURES NO ITEM SHALL BE REMOVED UNLESS THE UPS7REAM AREAS ARE STABILIZED AND THE INSPECTOR GRANTS PERMISSION. 8. MAINTAIN ALL EROSION CON7ROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 9. ALL TEMPORARY EROSION AND SEDIMENT CON7ROL 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 LOCAL PROGRAM ADMINISTRATOR. 7RAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESUL 77NG FROM 7HE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. SOIL DESCRIPTION 130 - CATOCTIN VERY STONY SILT LOAM, 157 TO 257. SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WA TER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MA 7ERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -5.95 IN /HR) KSAT 13E - CATOCTIN VERY STONY SILT LOAM, 257 TO 457 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -5.95 IN /HR) KSAT 210 - CULPEPER FINE SANDY LOAM, 157 TO 257 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM META - ARKOSIC SANDSTONE AND QUARTZITE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 29B - FAUQUIER SILT LOAM, 27 TO 77 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WA TER TABLE, RESIDUUM WEA THERED FROM GREENSTONE PARENT MA TERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 29B - FAUQUIER SILT LOAM, 77 TO 157 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 291 - FAUQUIER SILT LOAM, 157 TO 257 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 29E - FAUQUIER SILT LOAM, 257 TO 457 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSA T 31C - FAUQUIER VERY STONY SILT LOAM, 77 TO 157 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH. (0 -1.98 IN /HR) KSAT 323 - FLUVANNA SILT LOAM, 27 TO 77 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, MODERA TEL Y LOW TO MODERA TEL Y HIGH (0.06 -0.57 IN /HR) KSA T 33C - FLUVANNA VERY STONY SILT LOAM, 77 TO 157 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WA TER TABLE, RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK PARENT MATERIAL; CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, MODERA TEL Y LOW TO MODERA TEL Y HIGH (0.06 -0.57 IN /HR) KSA T 48D - LOUISBURG VERY STONY SANDY LOAM, 157 TO 259 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GRANITE AND GNEISS PARENT MATERIAL,' CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, HIGH TO VERY HIGH (5.95 -19.98 IN /HR) KSAT 63B - ORANGE SILT LOAM, 27 TO 79 SLOPES, WELL DRAINED, 12 TO 36 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM HORNBLENDE GNEISS PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO MODERATELY HIGH (0 -0.20 IN /HR) KSAT 64B - ORANGE VERY STONY SILT LOAM, 27. TO 77 SLOPES, WELL DRAINED, 12 TO 36 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM HORNBLENDE GNEISS PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO MODERA TEL Y HIGH (0 -0.20 IN /HR) KSA T r ATTACH FILTER FABRIC TO STAKES OR POSTS & EXTEND IT INTO TRENCH WOODEN STAKE STEEL POST LENGTH = 5' MIN. EXCAVATED SOIL BACKFILLED AND COMPACTED SILT FENCE sF (WITHOUT WIRE SUPPORT, NO SCALE H 0�� o� l� SC01I 11I' . COLLINS'' U No. 35791 ,�L- .o6 16(410 TONAL �' U) Z z O a 0Um w -1 O WW Ono w Q � d a` .-I L9 z 00 I..L. r � J M � N L.L M l zJ C:) O N U W W04 06 a z W Ljj W E- J J H Q > Q oC W W <C L9 U) z O -' J W 0 z < x 0� z z C) O01 �{ F- W p W Ul (f) Ce 2: W 0 W z (1) ' ZW 1-- 0-6 0� Q z 0 Z U ` J W as ry It p w 0 0 UjO © Chi J � Q LU o W JOB NO. 132091 SCALE 1 It =100' SHEET NO. 2 i SS - SSF -SSF- S SUPER SILT FENCE W /WIRE 3 3.05 /P IP I INLET PROTECTION 3 3.07 DD --10 100- T TEMPORARY DIVERSION DIKE 3 3.09 n 1 SEDIMENT BASIN 3 3.14 11 ©11 S TEMPORARY SEEDING 3.31 PS PS PERMANENT STABILIZATION 3.32 MU Mu MULCHING 3.35 TP 0 13 TREE PR07ECTION J. 38 DC DC DUST CONTROL 3.39 ROCK CHECK DAM 3.20 LIMITS OF DISTURBANCE - - -- SOILS BOUNDARY BAFFLE �■� DRAINAGE DIVIDE RLIM FABRIC MTMCHm 6' e im"101t 11 _i.��iL% � / ►_ fit. � ►_ TABLE 3.31 -8 ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS "QUICK REFERENCE FOR ALL REGIONS" Rate Man( illS12d 1 Sep ties albs. a re) Sept. 1 - Feb. 15 50/50 Mix of Annual Ryegrass (L.nlium multi- flnrum) & 50 - 100 Cereal (Winter) Rye (Secale cereale) Feb. 16 - Apr. 30 Annual Ryegiam 60-100 (Lulium multi - durum) May 'I - Aug 31 German Millet 50 (Selaria italica) Source: Va. DSWC TABLE 3,31•A LIMING REQUIREMENTS FOR TEMPORARY SITES Recommended Application pH Test of Agricultural Limestone below 4,2 3 tons per acre 4.2 to 5.2 2 tons per acre 5.2 to 6 1 ton per acre ROCK C'HKC K' DAM 2 ACRES OR LESS CF DRAINAGE ARIIA: y- I F�S'� R!7i1 !NOR'NS"f ulu �7E'8i ruoa zt - I 3 10 ACRC,S' OF D&UNAGF. ARLOA: -I- C T.LT-'P n uni M 3' l:i0D53rkjs�1 lr:f "'Rj � %Tor rl Fn-x:v ucmx:an •- 'ilYw�l lC: Niil' 5mrce: Va- DSWC.' 1611e 1.20-1 111 137 EROSION & SEDIMENT CONTROL MEASURES: STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING. 3.01 SAFETY FENCE., A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CON7ROL MEASURE. TO PROHIBIT 774E UNDESIRABLE USE OF AN EROSION CON7ROL MEASURE BY THE PUBLIC. APPLICABLE TO ANY CON7ROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY VIRTUE OF P07EN77AL ACCESS BY THE PUBLIC. 3.02 CONSTRUCTION ENTRANCE: A STABILIZED PAVED CONS TRUC77ON EN IRA NCE WITH A WASH RACK LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBJLIC ROADS BY MOTOR VEHICLES OR RUNOFF. C0NS7RUC77ON ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ON750 PUBLIC ROADWAYS. 3.05 SILT FENCE,• A TEMPORARY SEDIMENT BARRIER CONSIS77NG OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONS7RUCTION OPERA77ONS IN ORDER TO PREVENT SEDIMENT FROM L'EAVNG THE St 7E; ANO TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO- MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS Wl7H MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 3,08 CULVERT INLET PROTECTION,• TO PREVENT A SEDIMENT FlL TER LOCATED A T THE INLET TO STORM SEWER CULVERTS. SEDIMENT FROM ENTERING, ACCUMULA 77NG IN AND BEING 7RANSFERRED BY A CULVERT AND ASSOCIATED DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZATION OF A DISTURBED PROJECT AREA. TO PROVIDE EROSION CONTROL AT CULVERT INLETS DURING THE PHASE OF A PROJECT WHERE ELEVA77ON AND DRAINAGE PATTERNS CHANGE, CAUSING ORIGINAL CONTROL MEASURES TO BE INEFFEC77VE OR IN ,NEED OR REMOVAL. WHERE CULVERT AND ASSOCIA7ED DRAINAGE SYSTEM IS TO BE MADE OPERA77ONAL PRIOR TO PERMANENT STABILIZATON OF THE DISTURBED AREA. 3.09 TEMPORARY DIVERSION DIKE,• A TEMPORARY RIDGE OF COMPACTED .SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT- 7RAPPING FACILITY SUCH AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMW47ER RUNOFF MUST BE TEMPORARILY DIVERTED TO PR07E'CT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON S 17E- DURING CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WI7H PROPER MAINTENANCE. 3.13 TEMPORARY SEDIMENT TRAP: A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF 7HE SEDIMENT TO SETTLE OUT USE BELOW DISTURBED AREAS WHERE THE TOTAL CON7RIBU77ING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE CONS7RUCTED El7HER INDEPENDEN R Y OR IN CONJUMC77ON WI TH A TEMPORARY DI VERSION DIKE. 3.18 OUTLET PRO7EC770N STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPA77NG DEVICES PLACED AT 7HE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE POTEN77AL FOR DOWNSTREAM EROSION BY REDUCING 7HE VELOCITY AND ENERGY OF CONCEN7RATED STORMWATER FLOWS APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS 3.19 RIPRAP: A PERMANENT, EROSION - RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WI7H FILTER FABRIC OR GRANULAR UNDERLINING. TO PROTECT THE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING THE P07EN77AL FOR INFILTRA770N, AND TO STABILIZE SLOPES WITH SEEPAGE PROBLEMS, AND /OR NON - COHESIVE SO /LS. USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETA77VE COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS. 3.20 CHECK DAMS.• SMALL TEMPORARY DAMS CONS7RUC7ED ACROSS A SWALE OR DRAINAGE DITCH. TO REDUCE THE VELOCITY OF CONCENTRATED STORMWA TER FLOWS, THEREBY REDUCING EROSION OF THE SWALE OR DITCH. THIS PRAC77CE ALSO TRAPS SEDIMENT GENERATED FROM ADJACENT AREAS OR THE DITCH ITSELF, MAINLY BY PONDING OF THE STORMW47ER RUNOFF. 3.31 TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SEDIMENTA7ON BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE- AREAS, AND TO PROVIDE PR07E'C77ON TO BARE SOILS EXPOSED DURING CONS7RUC7ION UNTIL. PERMANENT VEGETA77ON OR OTHER EROSION CONTROL MEASURES CAN BE ESTABLISHED. 3.32 PERMANENT STABILIZATION: THE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DISTURBED AREAS BY PLAN77NG SEED. TO REDUCE EROSION AND DE C REASE SEDIME NT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MA7ERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION AC77W77ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. 3.39 DUST CON7ROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEM0LI77ON AND CONSTRUCTION AC77W77ES TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CON7ROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. EROSION CONTROL NOTES ES -1: UNLESS OTHERWISE INDICATED, ALL VEGETA 71 VE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND D SPECIFICATIONS TIONS OF MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECI C THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VT 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULA TONS. ES -2: THE PLAN APPROVING AUTHORITY MUST BE N077FIED ONE WEEK PRIOR TO THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. ES-J.-ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT LIM17ED TO„ OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. ES -6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY' ADDITIONAL EROSION CON7ROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AU THORI TY. ES -7.• ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING AC77VI TIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. ES -8: DURING DEWA TERING OPERA TONS, WATER WILL BE PUMPED IN 70 AN APPROVED WATER FILTERING DEVICE. ES -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. EROSION CONTROL NOTES 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING AC77VITY, AND ONE WEEK PRIOR TO THE FINAL INSPEC770N. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CON57RUCTEDD AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF 7HE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULA7IONS VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS. J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS 774E FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON 774E SITE AT ALL TIMES 5. PRIOR TO COMMENCING LAND DISTURBING AC77W77ES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIM17ED TO, OFF -SITE BORROW/ OR WASTE AREAS), THE CON7RACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CON7RACTOR IS RESPONSIBLE FOR INSTALLA7ON OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTA7ON AS DETERMINED BY THE PLAN APPROVING AUTHORITY. Z ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING AC77VI77ES AND DURING S17E DEVELOPMENT UN77L FINAL STABILIZA7ON IS ACHIEVED. 8. DURING DEW47ERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED RL 7E"RING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PEERIODICALLY 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. 10. ALL FILL MA7ERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WA57E• AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SEC77ON 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECT70N 13 -301 OF THE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE AC77WTY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7:00 AM TO 9:00 PM. 15. BORROW, FILL OR WASTE AC77V TY SHALL BE CONDUCTED IN A SAFE M ANNER THAT MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC S7REET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REA40VE OR CONVERT TO PERMANENT STORMWATFR MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF 7HE SALE OF ANY LOT, UNIT, BUILDING OR OTHER POR77ON OF THE PROPERTY. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS /ACRE, AND IN THE MON7HS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50150 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST Tr0 CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBSIIOOSF. A# 7ERNA77VES ARE RO CONTROL INSPECTOR. SUBJECT T EROSION SUB 0 APPROVAL BY THE 18. PERMANENT STABILIZATION SHALL BE LIME AND FER7LIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS11000SF, INCORPORATED INTO THE TOP 4 -6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT 1000LBS /ACRE AND CONSIST OF A 10 -20 -10 NUTRIENT MIX. PERMANEiNT SEEDING SHALL BE APPLIED AT 180LBS /ACRE AND CONSIST OF 959 KENTUCKY 31 OR TALL FESCUE AND 0 -5X PERENNIAL RYGRASS OR KENTUCKY BLUEGRASS. STIRAW MULCH IS TO BE APPLIED AT 80LBS1100SF. AL7ERNA77VES ARE SUBJECT TO APPRROVAL BY 7HE EROSION CONTROL ER ON C L INSPECTOR. 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPEC7ED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TrO BE REPAIRED IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WE7f STORAGE VOLUME IS FILLED WITH SEDIMENT ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL S17E STABILIZA T70N, WHEN MEASURES ARE NIO LONGER NEEDED, SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. 21. THE E &S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE E &S COMI7R0LS AS NECESSARY IN THE FIELD AS SITE COND177ONS CHANGE. IN ADD/770N, NO SEDIMENT BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION. PERMANENT STABILIZATION PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED ,AREAS AS PER THE PERMANENT STABILIZATION OF THIS EROSION & SEDIMENT CONTROL NARRATIVE. AFTER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED, FERTILIZED, AND SEEDED AS PER CURIRENT VDOT STANDARDS. THIS SHALL CONSIST OF THE FOLLOWING; TOPSOIL - 2" DEPTH, LIME - 2 TONS /ACRE, FERTILIZER - 600 LBS /ACRE OF 15 -30 -15 SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX- 714 (45 LBS /ACRE PENNLA WN CREEPING RED FESCUE, JZ 5 LBS /A1 CRE ARGILS KENTUCKY BLUEGRASS, JZ5 LBS /ACRE PARK KENTUCKY BLUEGRASS, 15 LBS /ACRE ANNUAL RYEGRASS & 15 LBS /ACRE PLEASURE PERENNIAL AFTER THESE AREAS ARE STABILIZED, THEY WILL BE MOWED AND MAINTAINED ON A REGULAR BASIS MAINTENANCE: IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASUIRES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. :SPECIFIC ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS.• A. SEDIMENT BASINS AND /OR TRAPS WILL BE CLEANED? AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION &r SEDIMENT CONTROL HANDBOOK. IN ADDITION, THE COMPARTMENTS OF THE SEDIMENT BASINS WILL BE CONTINUALLY CLEANED ON A ROUTINE BASIS. B. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARL r 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 REGULARL Y FOR UNDERMINING OR DETERIORATION OF THE FABRIC 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 THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED' AND RESEEDED AS NEEDED. DESCRIPTION OF EROSION & SEDIMENT CONTROL MEASURES: EROSION AND SEDIMENT CONTROL MEASURES: IT IS AN77CIPATED THAT A CONSTRUCTION EN7RANCE, DIVERSION DIKES Wl77-1 CHECK DAMS, A SEDIMENT TRAP, CULVERT INLET PROTECTION, OUTLET PROTECTION, AND SILT FENCE WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING AND DUST CONTROL WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE AC77VI77ES. TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED FROM AREAS TO BE GRADED AND STORED FOR LATER SPREADING. STOCKPILE LOCA77ONS SHALL BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETA77VE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION AC77W77ES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. SELEC77ON OF SEED MIXTURE WILL DEPEND ON 774E 77ME OF YEAR APPLIED. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST GERMINA77NG VEGETA77ON IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS SELEC77ON OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. CONS7R -[( C77ON ENTRANCE.• A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT THE POINT OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. A PAVED CONSTRUCTION ENTRANCE SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS SILT FENCE.• A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYN7HE77C FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPOR77NG POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING 7HE SITE TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO- MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPEC7E'D IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROS /ON & SEDIMENT CONTROL HANDBOOK (VESCH). CULVERT INLET PROTECTION TO BE INSTALLED AT THE EXISTING AND PROPOSED CULVERTS ALONG THE EXISTING DRIVEWAY. PERMANENT STABILIZA7ON: THE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DISTURBED AREAS BY PLAN77NG SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO S17E CONOl7IONS, AND ALLOWS SELEC77ON OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLE7ION OF CONSTRUCTION AC7IVI7ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETA77VE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE- RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SEDIMENTA77ON BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE PR07EC77ON TO BARE SOILS EXPOSED DURING CONSTRUCTION UN77L PERMANENT VEGETA77ON OR 077-IER EROSION CONTROL MEASURES CAN BE ESTABLISHED. DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOL177ON AND CONSIRUC77ON AC77W77ES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, 7RAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. TEMPORARY DIVERSION DIKE, A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM UNPROTECTED SLOPES AND TO A STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT 7RAPPING STRUCTURE. MAXIMUM EFFECTIVE LIFE 15 18 MONTHS TEMPORARY SEDIMENT TRAP.• A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT W17H A STONE OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS FOR ENOUGH 77ME TO ALLOW MOST TO THE SUSPENDED SOLIDS TO SETTLE OUT MAXIMUM EFFEC77VE LIFE IS 18 MONTHS. OUTLET PROTECTION: THE INSTALLA7ON OF RIPRAP CHANNEL SEC77ONS AND /OR S77LLING BASINS BELOW STORM DRAIN OUTLETS TO REDUCE EROSION AND UNDER- CUT7NG FROM SCOURING AT OUTLETS AND TO REDUCE FLOW VELOCITIES BEFORE STORMWATFR EN7FRS RECEIVING CHANNELS BELOW THESE OU7LE7G SAFETY FENCE.• A PROIEC77VE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL MEASURE. CHECK DAM: A DAM ALONG A DITCH WHICH REDUCES VELOCITY AND THUS PREVENTS EROSION AND ALLOWS SEDIMENT -LADEN RUNOFF TO SETTLE. TEMPORARY SEEDING: ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR AND WILL BE APPLIED TO DISTURBED ARES THA T WILL NOT BE BROUGHT TO FINAL GRADE WITHIN 30 DAYS. PLANTS SHOULD BE SELECTED APPROPRIATE TO THE SEASON AND SITE CONDITIONS FROM TABLES 3.31 B AND 3.31 C. N07E THAT TABLE 3.31B PRESENTS PLANTS WHICH CAN BE USED WITHOUT EXTENSIVE EVALUATION OF SITE COND177ONS; TABLE 3.31 C PRESENTS MORE IN -DEPTH INFORMATION ON THE PLANT MATERIALS TO CONTROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO GERMINATE AND GROW. SEEDBED PREPARATION IS ESSENTIAL. AN EVALUATION SHOULD BE CONDUCTED TO DETERMINE IF LIME IS NECESSARY FOR TEMPORARY SEEDING. TABLE 3.31A MAY BE USED TO DETERMINE THE ACTUAL NEED ALONG WITH SUGGESTED APPLICATION RATES: FERTILIZER SHALL BE APPLIED AS 600 LBS /ACRE OF 10 -20 -10 (14 LBS /1, 000 SQ. FT.) OR EQUIVALENT NUTRIENTS LIME AND FERTILIZER SHALL BE INCORPORATED INTO THE TOP 2 TO 4 INCHES OF THE SOIL IF POSSIBLE. IF THE AREA HAS BEEN RECENTLY LOOSENED OR DISTURBED, NO FURTHER ROUGHENING IS REQUIRED. WHEN THE AREA IS COMPACTED, CRUSTED, OR HARDENED, THE SOIL SHALL BE LOOSENED BY DISCING, RAKING, HARROWING, OR OTHER ACCEPTABLE MEANS. TRACKING WITH BULLDOZER CLEATS IS MOST EFFECTIVE ON SANDY SOILS THIS PRACTICE OFTEN CAUSES UNDUE COMPACTION OF THE SOIL SURFACE, ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PLANT GROWTH AS EFFECTIVELY AS OTHER METHODS OF SURFACE ROUGHENING. SEED SHALL BE EVENLY APPLIED W17H A BROADCAST SEEDER, DRILL, CUL TIPACKER SEEDER OR HYDROSEE•DER. 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 4 INCH TO j DEEP. SEEDINGS MADE IN FALL FOR WINTER COVER AND DURING HOT AND DRY SUMMER MONTHS SHALL BE MULCHED ACCORDING TO MULCHING, STD. & SPEC. 3.35, EXCEPT THAT HYDROMULCHES (FIBER MULCH) WILL NOT BE CONSIDERED ADEQUATE. STRAW MULCH SHOULD BE USED DURING THESE PERIODS. AREAS WHICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION WILL BE RE- SEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. EROSION CONTROL NOTES & NARRATIVE PURPOSE, THE PURPOSE OF THIS LAND DISTURBING ACTIVITY IS FOR THE STABILIZA 77ON OF RURAL LAND 77-IA T HAS BEEN TIMBERED. THE TOTAL AREA TO BE DISTURBED WITH THIS WORK IS 2281 ACRES. EXIS71NG SITE CONDITIONS: THE SITE IS AN EXISTING PARCEL THAT HAS BEEN TIMBERED. AN EXISTING DRIVEWAY OFF OF DUDLEY MOUNTAIN ROAD EXISTS AND RUNS THROUGH THE CENTER OF THE SITE. AN EXISTING RIPRAP DITCH AND CULVERTS EXIST ON THE UPHILL SIDE OF THE DRIVEWAY. A SECOND RIPRAP DITCH CUTS 7HROUGH THE S17E" DIRECTING WATER TOWARDS THE DRIVEWAY AND CULVERT. THE MAJORITY OF THE DISTURBED AREA IS BETWEEN THE S17E HIGH POINT AND THE DRIVEWAY, AND DRAINS TOWARDS DUDLEY MOUNTAIN ROAD. ADJACENT AREAS, THIS SITE IS BORDERED BY PRIVATE RESIDENCES AND RURAL LAND, AND DUDLEY MOUNTAIN ROAD TO THE NORTHWEST. OFF517E• LAND DISTURBANCE, NO OFFSITE LAND DISTURBANCE PROPOSED CRI77CAL AREAS: 774E EXIS77NG DUDLEY MOUNTAIN ROAD SHALL BE PROTECTED WITH THE PROPOSED WORK. SEDIMENT SHALL BE INTERCEPTED AND CONVEYED TO A SEDIMENT BASIN AND TRAP BEFORE BEING RELEASED TOWARDS THIS ROAD WAY. S0, ILS. SOILS MAP IS INCORPORATED INTO THE EROSION CON7ROL PLANS WITH SOILS DATA INCLUDED WITH THIS NARRA77VE. SEQUENCE OF CONSTRUC770N: 1. IV077FY ALBEMARLE COUNTY TO SCHEDULE A PRE- CONSTRUC7ON MEETING AS REQUIRED. 2. NO EROSION CON7ROL MEASURES MAY BE REMOVED DURING THE CONSTRUCT70N PROCESS WITHOUT THE APPROVAL FROM 774E INSPECTOR ON THE PROJECT. 3. INSTALL 774E PAVED CONSTRUCTION ENTRANCE AS SHOWN ON THE PLANS AT THE DRIVEWAY ENTRANCE OFF OF DUDLEY MOUNTAIN ROAD. THE CONSTRUC77ON ENTRANCE SHALL BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE 7HE TRANSPORT OF SEDIMENT BY (VEHICULAR) 7RACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC D SURFACE, O ROA ACE TH U E ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPOR77NG TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. 4. INSTALL THE IN177AL CONS7RUC77ON MEASURES AS SHOWN ON THE EROSION CONTROL PLAN SHEETS 77-IIS INCLUDES THE SEDIMENT 7RAP, DIVERSION DIKE REPAIRS, CULVERT INLET PROTECTION, SILT FENCE, AND OUTLET PROTECTION TO BE INSTALLED AT THIS TIMEE, STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES, AND DIVERSIONS IMMEDIATELY AFTER INSTALLA770N. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE AC77VITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 5. ALL REMAINING 517E AREAS SHALL BE LIMED, FERTILIZED, AND SEEDED. 6. PERMANENT OR TEMPORARY SOIL STABILIZA7ON SHALL BE APPLIED TO DENUDED AREAS W77HIN SEVEN DAYS AFTER FINAL GRADE 1S REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DA YS TO DENUDED AREAS THA T MA Y NOT BE A T FINAL GRADE, BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS PERMANENT STABILIZA7ON SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. Z ONCE THE SITE" IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CON7RACTOR CAN REMOVE THE EROSION CONTROL MEASURES NO ITEM SHALL BE REMOVED UNLESS THE UPS7REAM AREAS ARE STABILIZED AND THE INSPECTOR GRANTS PERMISSION. 8. MAINTAIN ALL EROSION CON7ROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 9. ALL TEMPORARY EROSION AND SEDIMENT CON7ROL 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 LOCAL PROGRAM ADMINISTRATOR. 7RAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESUL 77NG FROM 7HE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. SOIL DESCRIPTION 130 - CATOCTIN VERY STONY SILT LOAM, 157 TO 257. SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WA TER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MA 7ERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -5.95 IN /HR) KSAT 13E - CATOCTIN VERY STONY SILT LOAM, 257 TO 457 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -5.95 IN /HR) KSAT 210 - CULPEPER FINE SANDY LOAM, 157 TO 257 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM META - ARKOSIC SANDSTONE AND QUARTZITE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 29B - FAUQUIER SILT LOAM, 27 TO 77 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WA TER TABLE, RESIDUUM WEA THERED FROM GREENSTONE PARENT MA TERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 29B - FAUQUIER SILT LOAM, 77 TO 157 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 291 - FAUQUIER SILT LOAM, 157 TO 257 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 29E - FAUQUIER SILT LOAM, 257 TO 457 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSA T 31C - FAUQUIER VERY STONY SILT LOAM, 77 TO 157 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH. (0 -1.98 IN /HR) KSAT 323 - FLUVANNA SILT LOAM, 27 TO 77 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, MODERA TEL Y LOW TO MODERA TEL Y HIGH (0.06 -0.57 IN /HR) KSA T 33C - FLUVANNA VERY STONY SILT LOAM, 77 TO 157 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WA TER TABLE, RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK PARENT MATERIAL; CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, MODERA TEL Y LOW TO MODERA TEL Y HIGH (0.06 -0.57 IN /HR) KSA T 48D - LOUISBURG VERY STONY SANDY LOAM, 157 TO 259 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GRANITE AND GNEISS PARENT MATERIAL,' CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, HIGH TO VERY HIGH (5.95 -19.98 IN /HR) KSAT 63B - ORANGE SILT LOAM, 27 TO 79 SLOPES, WELL DRAINED, 12 TO 36 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM HORNBLENDE GNEISS PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO MODERATELY HIGH (0 -0.20 IN /HR) KSAT 64B - ORANGE VERY STONY SILT LOAM, 27. TO 77 SLOPES, WELL DRAINED, 12 TO 36 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM HORNBLENDE GNEISS PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO MODERA TEL Y HIGH (0 -0.20 IN /HR) KSA T r ATTACH FILTER FABRIC TO STAKES OR POSTS & EXTEND IT INTO TRENCH WOODEN STAKE STEEL POST LENGTH = 5' MIN. EXCAVATED SOIL BACKFILLED AND COMPACTED SILT FENCE sF (WITHOUT WIRE SUPPORT, NO SCALE H 0�� o� l� SC01I 11I' . COLLINS'' U No. 35791 ,�L- .o6 16(410 TONAL �' U) Z z O a 0Um w -1 O WW Ono w Q � d a` .-I L9 z 00 I..L. r � J M � N L.L M l zJ C:) O N U W W04 06 a z W Ljj W E- J J H Q > Q oC W W <C L9 U) z O -' J W 0 z < x 0� z z C) O01 �{ F- W p W Ul (f) Ce 2: W 0 W z (1) ' ZW 1-- 0-6 0� Q z 0 Z U ` J W as ry It p w 0 0 UjO © Chi J � Q LU o W JOB NO. 132091 SCALE 1 It =100' SHEET NO. 2 i - - -- SOILS BOUNDARY BAFFLE �■� DRAINAGE DIVIDE RLIM FABRIC MTMCHm 6' e im"101t 11 _i.��iL% � / ►_ fit. � ►_ TABLE 3.31 -8 ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS "QUICK REFERENCE FOR ALL REGIONS" Rate Man( illS12d 1 Sep ties albs. a re) Sept. 1 - Feb. 15 50/50 Mix of Annual Ryegrass (L.nlium multi- flnrum) & 50 - 100 Cereal (Winter) Rye (Secale cereale) Feb. 16 - Apr. 30 Annual Ryegiam 60-100 (Lulium multi - durum) May 'I - Aug 31 German Millet 50 (Selaria italica) Source: Va. DSWC TABLE 3,31•A LIMING REQUIREMENTS FOR TEMPORARY SITES Recommended Application pH Test of Agricultural Limestone below 4,2 3 tons per acre 4.2 to 5.2 2 tons per acre 5.2 to 6 1 ton per acre ROCK C'HKC K' DAM 2 ACRES OR LESS CF DRAINAGE ARIIA: y- I F�S'� R!7i1 !NOR'NS"f ulu �7E'8i ruoa zt - I 3 10 ACRC,S' OF D&UNAGF. ARLOA: -I- C T.LT-'P n uni M 3' l:i0D53rkjs�1 lr:f "'Rj � %Tor rl Fn-x:v ucmx:an •- 'ilYw�l lC: Niil' 5mrce: Va- DSWC.' 1611e 1.20-1 111 137 EROSION & SEDIMENT CONTROL MEASURES: STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING. 3.01 SAFETY FENCE., A PROTECTIVE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CON7ROL MEASURE. TO PROHIBIT 774E UNDESIRABLE USE OF AN EROSION CON7ROL MEASURE BY THE PUBLIC. APPLICABLE TO ANY CON7ROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY VIRTUE OF P07EN77AL ACCESS BY THE PUBLIC. 3.02 CONSTRUCTION ENTRANCE: A STABILIZED PAVED CONS TRUC77ON EN IRA NCE WITH A WASH RACK LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBJLIC ROADS BY MOTOR VEHICLES OR RUNOFF. C0NS7RUC77ON ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ON750 PUBLIC ROADWAYS. 3.05 SILT FENCE,• A TEMPORARY SEDIMENT BARRIER CONSIS77NG OF A SYNTHETIC FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED, TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONS7RUCTION OPERA77ONS IN ORDER TO PREVENT SEDIMENT FROM L'EAVNG THE St 7E; ANO TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO- MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS Wl7H MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 3,08 CULVERT INLET PROTECTION,• TO PREVENT A SEDIMENT FlL TER LOCATED A T THE INLET TO STORM SEWER CULVERTS. SEDIMENT FROM ENTERING, ACCUMULA 77NG IN AND BEING 7RANSFERRED BY A CULVERT AND ASSOCIATED DRAINAGE SYSTEM PRIOR TO PERMANENT STABILIZATION OF A DISTURBED PROJECT AREA. TO PROVIDE EROSION CONTROL AT CULVERT INLETS DURING THE PHASE OF A PROJECT WHERE ELEVA77ON AND DRAINAGE PATTERNS CHANGE, CAUSING ORIGINAL CONTROL MEASURES TO BE INEFFEC77VE OR IN ,NEED OR REMOVAL. WHERE CULVERT AND ASSOCIA7ED DRAINAGE SYSTEM IS TO BE MADE OPERA77ONAL PRIOR TO PERMANENT STABILIZATON OF THE DISTURBED AREA. 3.09 TEMPORARY DIVERSION DIKE,• A TEMPORARY RIDGE OF COMPACTED .SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA. TO DIVERT STORM RUNOFF FROM UPSLOPE DRAINAGE AREAS AWAY FROM UNPROTECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET. TO DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT- 7RAPPING FACILITY SUCH AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMW47ER RUNOFF MUST BE TEMPORARILY DIVERTED TO PR07E'CT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON S 17E- DURING CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MONTHS OR LESS, WHICH CAN BE PROLONGED WI7H PROPER MAINTENANCE. 3.13 TEMPORARY SEDIMENT TRAP: A TEMPORARY PONDING AREA FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF 7HE SEDIMENT TO SETTLE OUT USE BELOW DISTURBED AREAS WHERE THE TOTAL CON7RIBU77ING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE CONS7RUCTED El7HER INDEPENDEN R Y OR IN CONJUMC77ON WI TH A TEMPORARY DI VERSION DIKE. 3.18 OUTLET PRO7EC770N STRUCTURALLY LINED APRONS OR OTHER ACCEPTABLE ENERGY DISSIPA77NG DEVICES PLACED AT 7HE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PROTECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE POTEN77AL FOR DOWNSTREAM EROSION BY REDUCING 7HE VELOCITY AND ENERGY OF CONCEN7RATED STORMWATER FLOWS APPLICABLE TO THE OUTLETS OF ALL PIPES AND ENGINEERED CHANNEL SECTIONS 3.19 RIPRAP: A PERMANENT, EROSION - RESISTANT GROUND COVER OF LARGE, LOOSE, ANGULAR STONE WI7H FILTER FABRIC OR GRANULAR UNDERLINING. TO PROTECT THE SOIL FROM THE EROSIVE FORCES OF CONCENTRATED RUNOFF, SLOW THE VELOCITY OF CONCENTRATED RUNOFF WHILE ENHANCING THE P07EN77AL FOR INFILTRA770N, AND TO STABILIZE SLOPES WITH SEEPAGE PROBLEMS, AND /OR NON - COHESIVE SO /LS. USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETA77VE COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS. 3.20 CHECK DAMS.• SMALL TEMPORARY DAMS CONS7RUC7ED ACROSS A SWALE OR DRAINAGE DITCH. TO REDUCE THE VELOCITY OF CONCENTRATED STORMWA TER FLOWS, THEREBY REDUCING EROSION OF THE SWALE OR DITCH. THIS PRAC77CE ALSO TRAPS SEDIMENT GENERATED FROM ADJACENT AREAS OR THE DITCH ITSELF, MAINLY BY PONDING OF THE STORMW47ER RUNOFF. 3.31 TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETATIVE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SEDIMENTA7ON BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE- AREAS, AND TO PROVIDE PR07E'C77ON TO BARE SOILS EXPOSED DURING CONS7RUC7ION UNTIL. PERMANENT VEGETA77ON OR OTHER EROSION CONTROL MEASURES CAN BE ESTABLISHED. 3.32 PERMANENT STABILIZATION: THE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DISTURBED AREAS BY PLAN77NG SEED. TO REDUCE EROSION AND DE C REASE SEDIME NT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MA7ERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION AC77W77ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. 3.39 DUST CON7ROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEM0LI77ON AND CONSTRUCTION AC77W77ES TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CON7ROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. EROSION CONTROL NOTES ES -1: UNLESS OTHERWISE INDICATED, ALL VEGETA 71 VE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND D SPECIFICATIONS TIONS OF MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECI C THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VT 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULA TONS. ES -2: THE PLAN APPROVING AUTHORITY MUST BE N077FIED ONE WEEK PRIOR TO THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. ES-J.-ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. ES -4: A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES ES -5: PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT LIM17ED TO„ OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. ES -6: THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY' ADDITIONAL EROSION CON7ROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AU THORI TY. ES -7.• ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING AC77VI TIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. ES -8: DURING DEWA TERING OPERA TONS, WATER WILL BE PUMPED IN 70 AN APPROVED WATER FILTERING DEVICE. ES -9: THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. EROSION CONTROL NOTES 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING AC77VITY, AND ONE WEEK PRIOR TO THE FINAL INSPEC770N. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CON57RUCTEDD AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF 7HE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULA7IONS VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS. J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS 774E FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON 774E SITE AT ALL TIMES 5. PRIOR TO COMMENCING LAND DISTURBING AC77W77ES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIM17ED TO, OFF -SITE BORROW/ OR WASTE AREAS), THE CON7RACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CON7RACTOR IS RESPONSIBLE FOR INSTALLA7ON OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTA7ON AS DETERMINED BY THE PLAN APPROVING AUTHORITY. Z ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL 77MES DURING LAND DISTURBING AC77VI77ES AND DURING S17E DEVELOPMENT UN77L FINAL STABILIZA7ON IS ACHIEVED. 8. DURING DEW47ERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED RL 7E"RING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PEERIODICALLY 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. 10. ALL FILL MA7ERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WA57E• AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SEC77ON 5.1.28. 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECT70N 13 -301 OF THE CODE OF ALBEMARLE. 14. BORROW, FILL OR WASTE AC77WTY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7:00 AM TO 9:00 PM. 15. BORROW, FILL OR WASTE AC77V TY SHALL BE CONDUCTED IN A SAFE M ANNER THAT MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC S7REET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REA40VE OR CONVERT TO PERMANENT STORMWATFR MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF 7HE SALE OF ANY LOT, UNIT, BUILDING OR OTHER POR77ON OF THE PROPERTY. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS /ACRE, AND IN THE MON7HS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50150 MIX OF ANNUAL RYGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST Tr0 CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBSIIOOSF. A# 7ERNA77VES ARE RO CONTROL INSPECTOR. SUBJECT T EROSION SUB 0 APPROVAL BY THE 18. PERMANENT STABILIZATION SHALL BE LIME AND FER7LIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS11000SF, INCORPORATED INTO THE TOP 4 -6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT 1000LBS /ACRE AND CONSIST OF A 10 -20 -10 NUTRIENT MIX. PERMANEiNT SEEDING SHALL BE APPLIED AT 180LBS /ACRE AND CONSIST OF 959 KENTUCKY 31 OR TALL FESCUE AND 0 -5X PERENNIAL RYGRASS OR KENTUCKY BLUEGRASS. STIRAW MULCH IS TO BE APPLIED AT 80LBS1100SF. AL7ERNA77VES ARE SUBJECT TO APPRROVAL BY 7HE EROSION CONTROL ER ON C L INSPECTOR. 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPEC7ED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TrO BE REPAIRED IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WE7f STORAGE VOLUME IS FILLED WITH SEDIMENT ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL S17E STABILIZA T70N, WHEN MEASURES ARE NIO LONGER NEEDED, SUBJECT TO APPROVAL BY THE EROSION CONTROL INSPECTOR. 21. THE E &S INSPECTOR HAS THE AUTHORITY TO ADD OR DELETE E &S COMI7R0LS AS NECESSARY IN THE FIELD AS SITE COND177ONS CHANGE. IN ADD/770N, NO SEDIMENT BASIN OR TRAP CAN BE REMOVED WITHOUT WRITTEN AUTHORIZATION. PERMANENT STABILIZATION PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED ,AREAS AS PER THE PERMANENT STABILIZATION OF THIS EROSION & SEDIMENT CONTROL NARRATIVE. AFTER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED, FERTILIZED, AND SEEDED AS PER CURIRENT VDOT STANDARDS. THIS SHALL CONSIST OF THE FOLLOWING; TOPSOIL - 2" DEPTH, LIME - 2 TONS /ACRE, FERTILIZER - 600 LBS /ACRE OF 15 -30 -15 SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX- 714 (45 LBS /ACRE PENNLA WN CREEPING RED FESCUE, JZ 5 LBS /A1 CRE ARGILS KENTUCKY BLUEGRASS, JZ5 LBS /ACRE PARK KENTUCKY BLUEGRASS, 15 LBS /ACRE ANNUAL RYEGRASS & 15 LBS /ACRE PLEASURE PERENNIAL AFTER THESE AREAS ARE STABILIZED, THEY WILL BE MOWED AND MAINTAINED ON A REGULAR BASIS MAINTENANCE: IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASUIRES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAINFALL. :SPECIFIC ATTENTION WILL BE GIVEN TO THE FOLLOWING ITEMS.• A. SEDIMENT BASINS AND /OR TRAPS WILL BE CLEANED? AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION &r SEDIMENT CONTROL HANDBOOK. IN ADDITION, THE COMPARTMENTS OF THE SEDIMENT BASINS WILL BE CONTINUALLY CLEANED ON A ROUTINE BASIS. B. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARL r 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 REGULARL Y FOR UNDERMINING OR DETERIORATION OF THE FABRIC 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 THAT A GOOD STAND IS MAINTAINED. AREAS SHOULD BE FERTILIZED' AND RESEEDED AS NEEDED. DESCRIPTION OF EROSION & SEDIMENT CONTROL MEASURES: EROSION AND SEDIMENT CONTROL MEASURES: IT IS AN77CIPATED THAT A CONSTRUCTION EN7RANCE, DIVERSION DIKES Wl77-1 CHECK DAMS, A SEDIMENT TRAP, CULVERT INLET PROTECTION, OUTLET PROTECTION, AND SILT FENCE WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY SEEDING AND DUST CONTROL WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE AC77VI77ES. TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED FROM AREAS TO BE GRADED AND STORED FOR LATER SPREADING. STOCKPILE LOCA77ONS SHALL BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETA77VE COVER. PERMANENT SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND WHERE CONSTRUCTION AC77W77ES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. SELEC77ON OF SEED MIXTURE WILL DEPEND ON 774E 77ME OF YEAR APPLIED. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST GERMINA77NG VEGETA77ON IMMEDIATELY FOLLOWING GRADING OF THOSE AREAS SELEC77ON OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. CONS7R -[( C77ON ENTRANCE.• A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT THE POINT OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE THE AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. A PAVED CONSTRUCTION ENTRANCE SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE THE AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS SILT FENCE.• A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYN7HE77C FILTER FABRIC STRETCHED ACROSS AND ATTACHED TO SUPPOR77NG POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING 7HE SITE TO DECREASE THE VELOCITY OF SHEET FLOWS AND LOW -TO- MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE INSTALLED DOWN SLOPE OF AREAS WITH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPEC7E'D IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROS /ON & SEDIMENT CONTROL HANDBOOK (VESCH). CULVERT INLET PROTECTION TO BE INSTALLED AT THE EXISTING AND PROPOSED CULVERTS ALONG THE EXISTING DRIVEWAY. PERMANENT STABILIZA7ON: THE ESTABLISHMENT OF PERENNIAL VEGETA77VE COVER ON DISTURBED AREAS BY PLAN77NG SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS TO PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO S17E CONOl7IONS, AND ALLOWS SELEC77ON OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLE7ION OF CONSTRUCTION AC7IVI7ES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETA77VE COVER ON DISTURBED AREAS BY SEEDING WITH APPROPRIATE- RAPIDLY GROWING ANNUAL PLANTS TO REDUCE EROSION AND SEDIMENTA77ON BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE FOR A PERIOD OF MORE THAN 30 DAYS TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO DOWNSTREAM OR OFF -SITE AREAS, AND TO PROVIDE PR07EC77ON TO BARE SOILS EXPOSED DURING CONSTRUCTION UN77L PERMANENT VEGETA77ON OR 077-IER EROSION CONTROL MEASURES CAN BE ESTABLISHED. DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOL177ON AND CONSIRUC77ON AC77W77ES. TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, 7RAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. TEMPORARY DIVERSION DIKE, A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM UNPROTECTED SLOPES AND TO A STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT 7RAPPING STRUCTURE. MAXIMUM EFFECTIVE LIFE 15 18 MONTHS TEMPORARY SEDIMENT TRAP.• A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT W17H A STONE OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS FOR ENOUGH 77ME TO ALLOW MOST TO THE SUSPENDED SOLIDS TO SETTLE OUT MAXIMUM EFFEC77VE LIFE IS 18 MONTHS. OUTLET PROTECTION: THE INSTALLA7ON OF RIPRAP CHANNEL SEC77ONS AND /OR S77LLING BASINS BELOW STORM DRAIN OUTLETS TO REDUCE EROSION AND UNDER- CUT7NG FROM SCOURING AT OUTLETS AND TO REDUCE FLOW VELOCITIES BEFORE STORMWATFR EN7FRS RECEIVING CHANNELS BELOW THESE OU7LE7G SAFETY FENCE.• A PROIEC77VE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL MEASURE. CHECK DAM: A DAM ALONG A DITCH WHICH REDUCES VELOCITY AND THUS PREVENTS EROSION AND ALLOWS SEDIMENT -LADEN RUNOFF TO SETTLE. TEMPORARY SEEDING: ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING SELECTION OF THE SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR AND WILL BE APPLIED TO DISTURBED ARES THA T WILL NOT BE BROUGHT TO FINAL GRADE WITHIN 30 DAYS. PLANTS SHOULD BE SELECTED APPROPRIATE TO THE SEASON AND SITE CONDITIONS FROM TABLES 3.31 B AND 3.31 C. N07E THAT TABLE 3.31B PRESENTS PLANTS WHICH CAN BE USED WITHOUT EXTENSIVE EVALUATION OF SITE COND177ONS; TABLE 3.31 C PRESENTS MORE IN -DEPTH INFORMATION ON THE PLANT MATERIALS TO CONTROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO GERMINATE AND GROW. SEEDBED PREPARATION IS ESSENTIAL. AN EVALUATION SHOULD BE CONDUCTED TO DETERMINE IF LIME IS NECESSARY FOR TEMPORARY SEEDING. TABLE 3.31A MAY BE USED TO DETERMINE THE ACTUAL NEED ALONG WITH SUGGESTED APPLICATION RATES: FERTILIZER SHALL BE APPLIED AS 600 LBS /ACRE OF 10 -20 -10 (14 LBS /1, 000 SQ. FT.) OR EQUIVALENT NUTRIENTS LIME AND FERTILIZER SHALL BE INCORPORATED INTO THE TOP 2 TO 4 INCHES OF THE SOIL IF POSSIBLE. IF THE AREA HAS BEEN RECENTLY LOOSENED OR DISTURBED, NO FURTHER ROUGHENING IS REQUIRED. WHEN THE AREA IS COMPACTED, CRUSTED, OR HARDENED, THE SOIL SHALL BE LOOSENED BY DISCING, RAKING, HARROWING, OR OTHER ACCEPTABLE MEANS. TRACKING WITH BULLDOZER CLEATS IS MOST EFFECTIVE ON SANDY SOILS THIS PRACTICE OFTEN CAUSES UNDUE COMPACTION OF THE SOIL SURFACE, ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PLANT GROWTH AS EFFECTIVELY AS OTHER METHODS OF SURFACE ROUGHENING. SEED SHALL BE EVENLY APPLIED W17H A BROADCAST SEEDER, DRILL, CUL TIPACKER SEEDER OR HYDROSEE•DER. 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 4 INCH TO j DEEP. SEEDINGS MADE IN FALL FOR WINTER COVER AND DURING HOT AND DRY SUMMER MONTHS SHALL BE MULCHED ACCORDING TO MULCHING, STD. & SPEC. 3.35, EXCEPT THAT HYDROMULCHES (FIBER MULCH) WILL NOT BE CONSIDERED ADEQUATE. STRAW MULCH SHOULD BE USED DURING THESE PERIODS. AREAS WHICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION WILL BE RE- SEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. EROSION CONTROL NOTES & NARRATIVE PURPOSE, THE PURPOSE OF THIS LAND DISTURBING ACTIVITY IS FOR THE STABILIZA 77ON OF RURAL LAND 77-IA T HAS BEEN TIMBERED. THE TOTAL AREA TO BE DISTURBED WITH THIS WORK IS 2281 ACRES. EXIS71NG SITE CONDITIONS: THE SITE IS AN EXISTING PARCEL THAT HAS BEEN TIMBERED. AN EXISTING DRIVEWAY OFF OF DUDLEY MOUNTAIN ROAD EXISTS AND RUNS THROUGH THE CENTER OF THE SITE. AN EXISTING RIPRAP DITCH AND CULVERTS EXIST ON THE UPHILL SIDE OF THE DRIVEWAY. A SECOND RIPRAP DITCH CUTS 7HROUGH THE S17E" DIRECTING WATER TOWARDS THE DRIVEWAY AND CULVERT. THE MAJORITY OF THE DISTURBED AREA IS BETWEEN THE S17E HIGH POINT AND THE DRIVEWAY, AND DRAINS TOWARDS DUDLEY MOUNTAIN ROAD. ADJACENT AREAS, THIS SITE IS BORDERED BY PRIVATE RESIDENCES AND RURAL LAND, AND DUDLEY MOUNTAIN ROAD TO THE NORTHWEST. OFF517E• LAND DISTURBANCE, NO OFFSITE LAND DISTURBANCE PROPOSED CRI77CAL AREAS: 774E EXIS77NG DUDLEY MOUNTAIN ROAD SHALL BE PROTECTED WITH THE PROPOSED WORK. SEDIMENT SHALL BE INTERCEPTED AND CONVEYED TO A SEDIMENT BASIN AND TRAP BEFORE BEING RELEASED TOWARDS THIS ROAD WAY. S0, ILS. SOILS MAP IS INCORPORATED INTO THE EROSION CON7ROL PLANS WITH SOILS DATA INCLUDED WITH THIS NARRA77VE. SEQUENCE OF CONSTRUC770N: 1. IV077FY ALBEMARLE COUNTY TO SCHEDULE A PRE- CONSTRUC7ON MEETING AS REQUIRED. 2. NO EROSION CON7ROL MEASURES MAY BE REMOVED DURING THE CONSTRUCT70N PROCESS WITHOUT THE APPROVAL FROM 774E INSPECTOR ON THE PROJECT. 3. INSTALL 774E PAVED CONSTRUCTION ENTRANCE AS SHOWN ON THE PLANS AT THE DRIVEWAY ENTRANCE OFF OF DUDLEY MOUNTAIN ROAD. THE CONSTRUC77ON ENTRANCE SHALL BE INSTALLED WHERE CONSTRUCTION VEHICLE ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE 7HE TRANSPORT OF SEDIMENT BY (VEHICULAR) 7RACKING ONTO THE PAVED SURFACE. WHERE SEDIMENT IS TRANSPORTED ONTO A PUBLIC D SURFACE, O ROA ACE TH U E ROAD SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY SHOVELING OR SWEEPING AND TRANSPOR77NG TO A SEDIMENT CONTROL DISPOSAL AREA. STREET WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. 4. INSTALL THE IN177AL CONS7RUC77ON MEASURES AS SHOWN ON THE EROSION CONTROL PLAN SHEETS 77-IIS INCLUDES THE SEDIMENT 7RAP, DIVERSION DIKE REPAIRS, CULVERT INLET PROTECTION, SILT FENCE, AND OUTLET PROTECTION TO BE INSTALLED AT THIS TIMEE, STABILIZATION MEASURES SHALL BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES, AND DIVERSIONS IMMEDIATELY AFTER INSTALLA770N. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A FIRST STEP WITH ANY LAND DISTURBANCE AC77VITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. 5. ALL REMAINING 517E AREAS SHALL BE LIMED, FERTILIZED, AND SEEDED. 6. PERMANENT OR TEMPORARY SOIL STABILIZA7ON SHALL BE APPLIED TO DENUDED AREAS W77HIN SEVEN DAYS AFTER FINAL GRADE 1S REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DA YS TO DENUDED AREAS THA T MA Y NOT BE A T FINAL GRADE, BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS PERMANENT STABILIZA7ON SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. Z ONCE THE SITE" IS STABILIZED AND THE INSPECTOR HAS GIVEN APPROVAL, THE CON7RACTOR CAN REMOVE THE EROSION CONTROL MEASURES NO ITEM SHALL BE REMOVED UNLESS THE UPS7REAM AREAS ARE STABILIZED AND THE INSPECTOR GRANTS PERMISSION. 8. MAINTAIN ALL EROSION CON7ROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 9. ALL TEMPORARY EROSION AND SEDIMENT CON7ROL 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 LOCAL PROGRAM ADMINISTRATOR. 7RAPPED SEDIMENT AND THE DISTURBED SOIL AREAS RESUL 77NG FROM 7HE DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. SOIL DESCRIPTION 130 - CATOCTIN VERY STONY SILT LOAM, 157 TO 257. SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WA TER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MA 7ERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -5.95 IN /HR) KSAT 13E - CATOCTIN VERY STONY SILT LOAM, 257 TO 457 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -5.95 IN /HR) KSAT 210 - CULPEPER FINE SANDY LOAM, 157 TO 257 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM META - ARKOSIC SANDSTONE AND QUARTZITE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 29B - FAUQUIER SILT LOAM, 27 TO 77 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WA TER TABLE, RESIDUUM WEA THERED FROM GREENSTONE PARENT MA TERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 29B - FAUQUIER SILT LOAM, 77 TO 157 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 291 - FAUQUIER SILT LOAM, 157 TO 257 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSAT 29E - FAUQUIER SILT LOAM, 257 TO 457 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH (0 -1.98 IN /HR) KSA T 31C - FAUQUIER VERY STONY SILT LOAM, 77 TO 157 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GREENSTONE PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO HIGH. (0 -1.98 IN /HR) KSAT 323 - FLUVANNA SILT LOAM, 27 TO 77 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, MODERA TEL Y LOW TO MODERA TEL Y HIGH (0.06 -0.57 IN /HR) KSA T 33C - FLUVANNA VERY STONY SILT LOAM, 77 TO 157 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WA TER TABLE, RESIDUUM WEATHERED FROM ACID AND BASIC IGNEOUS ROCK PARENT MATERIAL; CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, MODERA TEL Y LOW TO MODERA TEL Y HIGH (0.06 -0.57 IN /HR) KSA T 48D - LOUISBURG VERY STONY SANDY LOAM, 157 TO 259 SLOPES, WELL DRAINED, MORE THAN 80 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM GRANITE AND GNEISS PARENT MATERIAL,' CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, HIGH TO VERY HIGH (5.95 -19.98 IN /HR) KSAT 63B - ORANGE SILT LOAM, 27 TO 79 SLOPES, WELL DRAINED, 12 TO 36 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM HORNBLENDE GNEISS PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO MODERATELY HIGH (0 -0.20 IN /HR) KSAT 64B - ORANGE VERY STONY SILT LOAM, 27. TO 77 SLOPES, WELL DRAINED, 12 TO 36 INCHES TO WATER TABLE, RESIDUUM WEATHERED FROM HORNBLENDE GNEISS PARENT MATERIAL, CONVEX DOWN AND ACROSS -SLOPE SHAPE, NO FREQUENCY OF PONDING OR FLOODING, VERY LOW TO MODERA TEL Y HIGH (0 -0.20 IN /HR) KSA T r ATTACH FILTER FABRIC TO STAKES OR POSTS & EXTEND IT INTO TRENCH WOODEN STAKE STEEL POST LENGTH = 5' MIN. EXCAVATED SOIL BACKFILLED AND COMPACTED SILT FENCE sF (WITHOUT WIRE SUPPORT, NO SCALE H 0�� o� l� SC01I 11I' . COLLINS'' U No. 35791 ,�L- .o6 16(410 TONAL �' U) Z z O a 0Um w -1 O WW Ono w Q � d a` .-I L9 z 00 I..L. r � J M � N L.L M l zJ C:) O N U W W04 06 a z W Ljj W E- J J H Q > Q oC W W <C L9 U) z O -' J W 0 z < x 0� z z C) O01 �{ F- W p W Ul (f) Ce 2: W 0 W z (1) ' ZW 1-- 0-6 0� Q z 0 Z U ` J W as ry It p w 0 0 UjO © Chi J � Q LU o W JOB NO. 132091 SCALE 1 It =100' SHEET NO. 2 i SEDIMENTTRAP #s --_ ---- -- ---- - - - - -- // SCALE: 1 =20 - - - - -- /T 10100,00- 90 -002A1 / /// \ I I \ I IGH1/104 LLi lI �1 \ \ \ \ r�l/ / / � / i / I I I \ I 51$5/ ACRES / / G 94 �0U AR 11N RZ4 F /' ` ID 00 I / \ �� ��J � � // // 0/ > > GRARHIC s-C'-ALE ��J,T� owl Of SC0`I " R. COLLINS Z U No. 35791 0NAL / 100/ 0 50 /}(r0 200 \ \ 400\ _ IN FEET _ G __/ / / //' _.••/ /// //' /' / /' //i / / / � / / / / / / /III \ \ ` / / / �� �.- -_ - _ Ali inch = 100 ft. zz /TMP 1011100,-100-Q0-0C ,2� / - _ , �� 0 Q /41AC�RB G. 715/ / / /' /' /� %1/ /� / �� / /' _ I \ \ \ \ / - �`� _ i�-G \ ° ° �00� _ O / ZOKD: RURAL RE9 -- / w cn / / / / / ✓ / / / / / / / / / /� / J / / / 1/� / I (� / I I I / / - ���r..�,a..x .. ..�c..a.....oc..+.x...x"'x '� / , \ ° � O I / / / v( �/ / / / / / / /1 J ✓ /' / / `t J/l L / 6 I / ) // / - - -_ SILT FENCE / �r / ��` �� ° �`,�•0, ___ - -- -__ V) z / / / / / / / 1 ' WIDE RIPRAP STONE w // / / / /� /� ) / / / i/ / / / ° 57 _ -- iii 1/ � �\ (/ J J \, �� / / / l / / J I - _ _ / / `�/ / ° WEIR CREST ELEV. =636 \ ce /------ - - - - -- / NOTE: / - ✓ / / . ENTRANCE CULVERT SHALL (\I \I} LIMITS OF DISTURBANCE \ \� ,\ �� `r I / / / / ! / / / _ BE CLEANED & ALL SEDIMENT / =27.8i ACRES \ \-, w /� / / / / ' / / / / / ' f / ` \ , � }I; � / / / / / / / �/ / / / / � � � / / / / � � -� WITHIN IT SHALL BE REMOVED MIN r 7, ` y OF DISTURBANCE- =27.81 ACRES fA ALL DISTURBED AREA rfs•.� ��f.�`. / ,EXISTING CULVERT I SHALL BE LIMED, \-RIPRAP DITCH OUTFALL`�� - /r / \ I FERTILIZEDI & SEEDED \ \ \ \ �i �- / �/ _ _'�- - ZIA 3/2g' o _ - �. buo c ' /,j _ - 0 \ - - - - - - - - / / / / / •'.`��'�,\ / I I I I / I I - ACCESS ROAD FROM DUDLEY _ - - /� _ / / / / r'` :r•:-��)) I I I I I MOUNTAIN ROAD TO BE PAVED xA \ , 29B EXISTING CULVERT `: ---� .-•- -- r- � ______��' / /' / / � / � `��`'��^ I I I / /// // � / RIPRAP DITCH OUTFALL� * � ��`� \•�. �\ y��� < � �� � � � `- J CP •: \ r' EXISTING RIPRAP ROADSIDE\ EXISfi► RIPRAP�D > \ .o6ac.; Cw =0.45; Tc= .Smin. 33G / / ) S J // / J / l I II I I ,> 1 \ \ \ \ \ DITCH \ r ` \\ \\ \� rah "\ �\ _�. 5 - 4. 7 z cfs & Qio= i cfs �� / ' ♦ J -� - - / / / / / I / I Y I` ' \ II \ \ p \uz+ 057 ft.; Vz -3.90 ft/s 0- 0.6 ft.; V10= z8 ft/s Q EXISTING RIPRAP / l ) I I `tt•: :- \ \1 \ �"�n� t DITCH ♦ � / / - f • / -/% / \ ;I 3 \ I " \o.o8ac., Cw= o.8o;Tc =5min . d Q2= 33cfs & Qio= 0.43cfs v� D2= .z4ft.;Vz= z.zoft /s �o tY) o\ i Di4= =z. ft s LF 200 Q y4 p/ ®/ /Tc =13 min. CF =415' C 6% ®/ F r - - - / ~ \ / I \ �' / l / ,� /� / / Tc =2 min. / / l l 'Ji► ; l :\ \ ( \ / C J / / L "y3 EX/ IS/ T ING J CULVERT ( l I // I � � 4 � •c:+ , - • {� / i , � � � I ` ` I I ) I \ \ \ \ I \ I I I J J 1 \ J A/ O R DO + P\ C+.S. E l RIPRAP DU IT H ST# 1 TO REMAIN \ \ o\ .3 oac.; Cw =o.8o; Tc =S min . :{ 2.61 AC. Q2= 1.25cs & Quo =.6icfs 010Q Oo- O U � I \ TMP �0 WRIGHT Dz= o. 34 f. V2=4.37 ft/s lNE 5.70 -ACR )--,S Dio= 0.37 ft.; V10=4.64 ft/s DB 4256, PG. 4 A/ L! A / MP�1 100 -0 0-0 o 0OZGO ZONED: /RURAL Mjh�a � U WRIGHQT4 LLC F'L> --6-49- ACRES= EXISTING A- / / °� I \ RIPRAP DITCH CONTRACTOR SHALL REPAIR EXISTING /\ Y 1 i r I� \ _ - Tc= 12min. �. /�Y / � d � \ \ \ \ \ � ` Z� D�t1RA1_ AREA � _ ._._ - _-_ _ ._ ._ - - � .i _ \ � 0.8 ac.; Cw =o,45� ,� � \\ �\ _\ - - � - ._ - = �� // r DIVERSION DITCH BACK TO A 2.5 -2 / � - � - - / ® \ , � \ \ \ D =18' � o.89 ac.; - CHANNEL & INSTALL A RIPRAP LINING / G �" � � \ 7 - \ I = 02= 1.52cfs & Qio= 2.o0cfs \ u % \ Dz= 0.36 ft.; V2=4.62 ft/s Dso =0.40 ft.; V3.0= 4.96ft/s ' \ \ = •• •. - - - - - - / _ - - - W/ SAFETY FENCE (P) DIVERSION DIKE WITH CHECK DAMS _ / LIMITS OF DISTURBANCE - - - _ / , > _ /� <� i - / ,' ® - \ ) APPROXIMATE LOCATION OF -27.81 ACRES - - - _ - _ c / _� -..� _ EXISTING ROAD CULVERT. _ -�� �� X (� /'� 'L / - - ' \ -J CONTRACTOR SHALL INSTALL - - _ �S7- 4 RIPRAP AT OUTFALL WITHIN 46- -13U -- _ ♦/�x��' - �. r - - OLF =zoo' Q 12 _ - _ _ 1�/ I \ \ VDOTRIGHT-OF-WAY. Tc 12 min. -SILT FENCING 7`1 -7\ _ - - '"tom ,.�,• „ _... ...: -"�� �,, - . � \ '' '- _..._ ��a�. �- - --- / - _ / � - _. .z Mme„ ..: � . >�- �. .� -_-•�� . ,� _,• �,.�a - --- �,-,., ,� NTAIN R - - - -- =�:� -- ,., � ;>r-°� _°ter, ,. � ,--�' �-1�. .»_� a ;:.:� ,� F> ,• : :. Ns�rs �,.. ... .... ..� . _ ". <, � .. �� A° .. �_° . °• �'� �-+�, �;�,;� . CONTRACTOR SHALL INSTALL z.. "- -_ "�..�. "r-- ..!13.YS��.: #;. . : ...�.: . 3,.4 a�� -�� °��Y -... 3`T.F'#I,A%.a, "n ,. '. . Y §. :. � � ♦ .. �°t�/ ,, "'.t ,Y � . ..' -�'� -� `:. -.. . tr _..,,.� wh .: ,. :, ..., +y..:.Xd'^. . �• �a °,,.� CONTRACTOR SHALL RE- ESTABLISH SHOULDER AT ,. . � ,� - CONTRACTOR SHALL REMOVEZ BOTH SIDES OFTHE ENTRANCE CLEAN OUT EXISTING MIN. PAVED CROWNED SURFACE EXISTING ENTRANCE &CULVERT ANDk', CULVERT &CUT -IN /ESTABLISH A NEW DITCH LINE TO "�__ _ - --- w/ 8' STONE BASE ON TOP OF RE-ESTABLISH EXISTING DITCH LINE & ` - - - THE EXISTING CULVERT. CONTRACTOR SHALL REMOVE ..: , EXISTING ROADWAYTOAPOINT SHOULDER ALONG ROADWAY. ANY EXISTING RIPRAP WITHIN THE ROADWAY PAVED ENTRANCE BEYOND THE HILL CREST. Sediment Trap 1 design 174.9 bottom of stone Weir (ft) drainage area (acres) ( <3) wet storage provided at this elevation (cy) 2.61 trap volumes: 2:1 dry storage: elevation (ft) area (sf) volume(cy) 632 3960.0 0.0 634 5802.0 359.4 636 7762.0 860.0 638 9822.0 1509.8 wet storage: wet storage required (cy) (67 *DA) 174.9 bottom of stone Weir (ft) 634.0 wet storage provided at this elevation (cy) 359.4 slope of Wet storage sides 2:1 dry storage: 10 dry storage required (cy) (67 *DA) 174,9 crest of stone weir 636.0 dry storage provided at this elevaticon (cy) 500.6 slope of dry storage sides 2:1 V , \ !SEE PulE 3 to C00;35E pG( LEGATE CLASS x R�RAP weir length (ft) (6) DA) 15.7 bottom of trap elevation (ft) 632 bottom trap dimensions: 28')(215' top of dam elevation (ft) 638 top width of dam (ft) 10 top trap dimensions 247'x52' FW- � d' � O ri z O I` M M O O J N i¢- W � zQ W O6 W � z J I > Q U) LLJ L9 W F~-- QC 0 0.6 z 0 Q zU C) z' H i � W W 0 / Q LU 0. LU U) W 06 W z z 0_ U) I- 0 zW W/ 0J O �Q V O W N J U! 0 Z) 0 w 0 LU a � JOB NO. 132091 SCALE AS SHOWN SHEET NO. 3