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HomeMy WebLinkAboutWPO202100015 Plan - VSMP 2021-05-26CLUB GENERAL NOTES OWNER/DEVELOPER IMP 060E2-00-00-00100 FARMINGTON COUNTRY CLUB 1625 COUNTRY CLUB CIRCLE CHARLOTTESVILLE, VA 22901 ENGINEER COLLINS ENGINEERING 200 GARRETT ST., SUITE K. CHARLOTTESVILLE, VIRGINIA 22902 TELEPHONE 434.293.3719 FAX (434)-293-2813 CONTACT MR. SCOTT COLLINS, P.E. EMAIL SCOTTOCOLLINS-ENGINEERING.COM TAX MAP PARCEL TMP 060E2-00-00-00100 AREA 271.2880 cc. (PER COUNTY GIS) PURPOSE THIS PLAN PROPOSES TO REGRADE HOLE 6 OF THE FARMINGTON COUNTRY CLUB GOLF COURSE. ZONING RA, RURAL AREAS USE COUNTRY CLUB, GOLF COURSE WATERSHED IVY CREEK WATERSHED TOPO & SURVEY TOPOGRAPHY PROVIDED BY ALBEMARLE COUNTY GIS AND AERIAL SURVEY. THE SITE WAS FIELD VERIFIED IN MARCH OF 2021. DATUM NAD 83 SOUTH EXISTING VEGETATION THE PARCEL IS PREDOMINANTLY GRASS PHASING CONSTRUCTION WILL OCCUR IN ONE PHASE. CRITICAL SLOPE CRITICAL SLOPES EXIST WITHIN THE SUBJECT PARCEL, HOWEVER NO MANAGED STEEP SLOPES OR PRESERVED SLOPES. FLOODPLAIN THE PROPOSED PLAN DOES NOT CONTAIN 100-YEAR FLOODPLAINS AND IS LOCATED WITHIN ZONE X PER FEMA MAP #51003CO266D WI TH AN EFFECT/ VE DA TE OF 214105. HISTORIC STRUCTURES NO HISTORIC STRUCTURES WERE FOUND ON THIS PROPERTY DURING A FIELD INVESTIGATION OF THE SI TE. COLLINS ENGINEERING IS NOT RESPONSIBLE OR LIABLE FOR ANY CONSTRUCTION OR DAMAGES TO THIS PROJECT PRIOR TO ALL FINAL PLAN APPROVALS. CONTRACTOR SHALL VERIFY LOCA77ON AND ELEVATION OF ALL UNDERGROUND UTIL177ES SHOWN ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO STAR77NG WORK. CONTACT ENGINEER IMMEDIATELY IF LOCA77ON OR ELEVATION IS DIFFERENT FROM THAT SHOWN ON THE PLANS, IF THERE APPEARS TO BE A CONFLICT AND UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THE PLANS. EROSION CONTROL NOTES & NARRATIVE PURPOSE_ THE PURPOSE OF THE LAND DISTURBING ACTIVITY 1S TO REGRADE HOLE 6 OF THE FARMINGTON COUNTRY CLUB GOLF COURSE. THIS PROJECT WILL INVOLVE APPROXIMATELY 2.95 ACRES OF LAND DISTURBANCE. EXISTING SITE CONDITIONS: THE SUBJECT PROPERTY ALONG OAK CIRCLE IS WEST OF A SINGLE FAMILY HOME ON THE CORNER OF OAK CIRCLE AND FARMINGTON DRIVE. THIS SITE SLOPES GENERALLY NORTH AND ULTIMATELY DRAINS WEST OFF THE GREEN TOWARDS A DITCH. WOODED AREAS EXIST IN THE WESTERN PORTION OF THE PROPERTY. ADJACENT AREAS.• THE PROPERTY IS BORDERED TO THE EAST AND WEST BY SINGLE FAMILY HOMES. TO THE NORTH OF THE LIM1TS OF DISTURBANCE 1S MORE OF THE GOLF COURSE. TO THE SOUTH OF THE SITE 1S OAK CIRCLE. OFFSITE LAND DISTURBANCE.• NO OFFSITE LAND DISTURBANCE /S PROPOSED WITH THIS SET OF PLANS. CRITICAL AREAS. NO MANAGED OR PRESERVED STEEP SLOPES EXIST ON THIS SI7E SEQUENCE OF CONS7RUC77ON: 1. NOTIFY THE ALBEMARLE COUNTY EROSION CONTROL INSPECTOR TO SCHEDULE A PRE -CONSTRUCTION MEETING AS REQUIRED. 2. FLAG 774E CLEARING LIMITS AND WOODED AREA THAT IS TO REMAIN. J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT. 4. INSTALL THE INITIAL EROSION CONTROL MEASURES AS SHOWN ON THIS SHEET. INSTALL THE SILT FENCE, DIVERSION DIKES, AND SEDIMENT TRAP AS SHOWN. THESE MEASURE IS INTENDED TO TRAP SEDIMENT AND SHALL BE CONSTRUCTED AS A FIRST STEP IN LAND DISTURBANCE ACTIVITIES AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. THE CONTRACTOR IS TO STAY WITHIN THE LIMITS OF DISTURBANCE AT ALL TIMES AND ENSURE POSITIVE DRAINAGE ALONG ANY MEASURES INTENDED TO DIVERT WATER. 5. INSTALL ANY REMAINING EROSION CONTROL ITEMS AS SHOWN ON THE EROSION CONTROL PLAN. 6. ONCE ALL THE EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE EROSION CONTROL PLAN AND THE COUNTY INSPECTOR HAS APPROVED THE EROSION CONTROL MEASURES, GRADING CAN BEGIN AS SHOWN ON THE PLAN. 7. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO DENUDED AREAS THAT MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 8. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE COUNTY ENGINEER IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. 9. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES INCLUDING THE TEMPORARY SEDIMENT TRAP SHALL BE REMOVED WITHIN 30 DAYS AFTER FINAL SI7E STABILIZATION, OR AFTER THE TEMPORARY MEASURES ARE NO LONGER NEEDED, UNLESS 07HERWSE AUTHORIZED BY 774E LOCAL PROGRAM ADMINISTRATOR. TRAPPED SEDIMENT AND 774E DISTURBED SOIL AREAS RESULTING FROM 774E DISPOSITION OF TEMPORARY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND SEDIMENTATION. ATTACH FILTER FABRIC TO STAKES OR POSTS & EXTEND IT INTO TRENCH WOODEN STAKE OR S$TEEL POST (L= 5' MIN.) EXCAVATED SOIL BACKFILLED AND COMPACTED 4'z4" TRENCH SIL T FENCE sF (WITHOUT WIRE SUPPORT FARMINGTON COUNTRY CLUB - GOLF COURSE HOLE 6 VSMP PLAN (WP0202100015) JACK JOUETT DISTRICT ALBEMARLE COUNTY, VIRGINIA E&S GENERAL NOTES GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. J. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DIS77JRBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH RUNOFF PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SECTION 5.1.28. 12. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE CODE OF ALBEMARLE. 13. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF 7.-OOAM TO 9:OOPM. 14. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAN MAINTAINS LATERAL SUPPORT, OR ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND DAMAGE TO ANY PUBLIC STREET BECAUSE 0 SLIDES, SINKING, OR COLLAPSE. 15. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. 16. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING IS TO BE AT 75 LBS/ACRE, AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO CONSIST A 50/50 MIX OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR. 17. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90LBS/1000SF, INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED AT 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED AT 180LBS/ACRE AND CONSIST OF 957 KENTUCKY 31 OR TALL FESCUE AND 0-59 PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR. 18. MAINTENANCE.- ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIR IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 509 OF THE WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. 19. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 20. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF THE DATE OF APPROVAL. (WATER PROTECTION ORDINANCE SECTION 17-204G.) 21. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WATER PROTECTION ORDINANCE SECTION 17- 207B) TABLE 3.31-C TEMPORARY SEEDING PLANT MATERIALS, SEEDING RATES, AND DATES SEEDING RATE NORTH` SOUTIIIHb PLANT 311 511 9115 2/15 5/1 911 SPECIES CHARACTERISTICS Acre 1000 fit In to In In to to 4110 8/11 11/1 4/10 9/1 11/15 OATS 3 bu. (up to 100 lbs., 2 lbs. x - - x - - Use sprang varieties (..g.. Noblc). (Avers sativa) not leas than 50 lbs.) RYEa 2 bu. (up to 110 the., 2.5 lbs. X - x x - x Use for late fall modings, winter (Sue a cereal. not less than 50 lbs.) cover. Tolerates cold and low mciature. GERMAN MILLET SO lbs. roles x. 1 lb. - X - - x - Warm-seeaw annual. Dies at first mry italics) frost. May be added to aunurtor mixm. ANNUAL RYEGRASS` 60 lbs. Vh lb.. X - X x - X May be added in mixes. Will (Lolmm multi -Flamm) mow cot of most studs. WEEPING 15 lbs. 5-h oa. - x - - X - Warm- season perennial. May LOVEGRASS bunch. Tolerates hot, dry slopes (Eneicatis curvulal and acid, infertile soils. May be added to mixes. KOREAN 25 lbs. appre.. 1% X X X X - Warm season anumal leguam. LESPEDEZA` lbs. j Tolerates acid suits. May be sr uluwa added to mixes. ` Northern Piedmont and Mountain region. See Plates 3.22-1 and 3.22-2. b Southern Piedmont and Coastal Plain. c May be used as a cover crop with spring seeding. itMay be used as a cover crop with fall seeding. X May be planted between these dates. - May I= be planted between these dates. GENERAL SLOPE (3:1 OR LESS) PER ACRE KENTUCKY 31 FESCUE 128 LBS. RED TOP GRASS 2 LBS. SEASONAL NURSE CROP 20 LBS. 150 LBS SEASONAL NURSE CROP FEBRUARY 16 THROUGH APRIL ANNUAL RYE MAY 1 THROUGH AUGUST 15 FOXTAIL MILLET AUGUST 16 THROUGH OCTOBER ANNUAL RYE NOVEMBER THROUGH FEBRUARY 15 WINTER RYE NOTES: 1. LIME AND FERTILIZER NEEDS SHALL BE DETERMINED BY SOIL TESTS AND APPLIED IN ACCORDANCE WITH VESCH STD. 3.32. 2. SEEDINGS TO BE MULCHED IMMEDIATELY UPON COMPLETION OF SEED APPLICATION, IN ACCORDANCE W/ VESCH STD 3.35. PERMANENT SEEDING SCHEDULE NO SCALE (STD. & SPEC. 3.32 OF VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK, 3RD ED.) SOIL DESCRIPTION J68 - HAYES V/LLE LOAM-27. TO 79 SLOPES. SOILS OF THIS SERIES ARE VERY DEEP, WELL DRAINED, MODERATELY HIGH TO HIGHLY PERMEABLE, WITH MEDIUM POTENTIAL FOR SURFACE RUNOFF. 14D - CHESTER LOAM-15X TO 257 SLOPES. SOILS OF THIS SERIES ARE VERY DEEP, WELL DRAINED, MODERATELY HIGH TO HIGHLY PERMEABLE, WITH HIGH POTENTIAL FOR SURFACE RUNOFF. 36C - HAYESVILLE LOAM-77 TO 157. SLOPES. SOILS OF THIS SERIES ARE VERY DEEP, WELL DRAINED, MODERATELY HIGH TO HIGHLY PERMEABLE, WITH MEDIUM POTEN77AL FOR SURFACE RUNOFF. Compacted Soil Non-Erodable Liner 18" min. Flow SOURCE: SOURCE: VA. D4.5' min. SWC PLATE 3.09-1 DD TEMPORARY DIVERSION DIKE c a f .0 n ( o rh N SUBJECT 0- VICINITY MAP: SCALE: 1" = 1000' STONE 70' MIN. CONSTRUCTION ACCESS 3"" SM-2A ASPHALT TOP COURSE 29 111 29 STONE CONSTRUCTION ACCESS -1 MIN. 21A AGGREGATE BASE PROFILE 70' MIN. ASPHALT PAVED FWASHRACK 2% 1 29 1 �21- 12' MIN.* ~ I I - ^ !,POSITIVE DRAINAGE *MUST EXTEND FULL WIDTH 11 TO SEDIMENT OF INGRESS AND EGRESS OPERA TION TRAPPING DEVICE PLAN w 72' MIN. - Lic. No. 035791,E s04/23/21w4 i CC'_Ip n':ry1j. i1� � -x • - • • PAVEMENT -EXISTING PAVEMENT POSITIVE DRAINAGE TO SEDIMENT TRAPPING DEVICE FILTER CLOTH-1 " SECTION A -A A minimum water top of 1 inch must be installed with o minimum 1 inch ballcock shutoff valve supplying a wash hose with diameter or 1.5 inches for adequate constant pressure. Wash water most be carried away from the entrance to an approved settling area to remove sediment. All sediment shall be prevented from entering storm drains, ditches or watercourses. PAVED WASH RACK NO SCALE 2"x4" WOODEN FRAME L)ROP INl FT OSILT FENCE 1P DROP INLET PROTECTION s.oD NO SCALE APPROVED by the Albemarle County Communit D2elop2 ent Department Date S File WP0202100015 z Q J M M U) N \ /�� �J w N _J WCN N LU W > cn W J z J_ > O LU w U 0 �. 0-6 L9 J L0 _j W (0 V O z= z U W ICOLU w Y D W W J = "' E: U Ul U) LU LL �U W � z W z U) 0 ~ U LLI Q O /Orrd� `aJ 0 CN N z I� U W J F w a w C LL L U) JOB NO. 182150 SCALE AS SHOWN SHEET NO. 1 OF 3 1992 3.38 Lk i CUT/FILL ANALYSIS: I / � D VOLUME OF CUT FOR LIMITS OF DISTURBANCE: 1200 CY / NOTE: ONTR CTOR T VOLUME OF FILL FOR LIMITS OF DISTURBANCE. yioo CY / h ENSURE POSTIVE DRAINAGE / NET VOLUME OF FILL FOR LIMITS OF DISTURBANCE: 2900 CY I ' ' / LONG DIVERSION DIKE % IN AREAS OF CUT, 6" OF TOPSOIL SHALL BE HAULED OFFSITE TO A ` 1 / o / PERMITTED (SWPPP) SITE. THE REMAINDER OF SURPLUS CUT WILL BE USED TOWARDS REGRADING THE SUBJECT SITE. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE v� APPLIED TO DENUDED AREAS WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACH ON ANY PORTION OFTHE SITE. \ \ 00 STABILIZATION SHALL BE APPLIED WITHIN SEVEN DAYS TO 0 ` DENUDED AREAS THAT MAY NOT BEAT FINAL GRADE BUT WILL \ \ I I RIGHT OF LAY DIVERSION (TYP.) 59 DRAINAGE DIVIDE (TYP. REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 3o DAYS. PERMANENT STABILIZATION SHALL BEAPPLIETOAREAS THAT ARE � TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. \ \ \ \ 1 \ ; \ \ s91> \ I \ TMP 6oE2-oG-2 --- / TIP 6oEz-1 s8, s z -- \ — — FARM INGTON\\COU NTRY CLUB — — D.B. 1263 PG.668- l �s80_ -- �� / �+ / TRAP r PROPOSED Ce sus \ AROPUND SEDIM \ j / / / \ ` S INLET PROTECTION -s80 --- OR EXISTING DROP 1992 3.11 \ \ / \ ` INLET TO REMAIN I \ TO TRAP bc0 \ S EXISTINGASPHALT� Lic. No. 035791,, s04/23/21 9`w4 � IONAL EC'l� H z z 0 zz w a E Ln U V� U LnU Z�m w :3 z O Oz 0 < Q E F�1 w Z o H a W r4 N N Q GO N OCD C`4 M c STONE WEIR \ / / / ` ART PATH TO / \ STi � 5�0 / REMAIN \ \ \ Source: Va. DSWC Plate 3.38-2 \6' WIDE TOP OF A -- _ � \ DAM= 6.00 LIMITSOFDISTURBANCE =2.95AC Q 57 Z / e�j i �\ PROPOSED REROUTED 25o LF _ / i h EXISTING CURB ALONG iz" HDPE PRIVATE YARD DRAIN /CART PATH TO REMAIN / 0 M STARTINV=584.00 - + v / C END INV = S76.00 - ro 600 60° / r \ / I PROPOSED LIMITS OF --- __ \ DISTURBANCE (TYP.) 604 /(co�O / \ TREE PROTECTION (TYP.) (o°� / 606 v \ / OUTLET PROTECTION TO INCLUDE A FILTER FABRIC / UNDERLAYMENT KEYED INTO THE EXISTING v v A GROUND A MINIMUM OF 9" ATTHE ENDS & ALONG - - Source: Va. DSWC Plate 3.11-1 \ \ \ \ THE PERIMETER. EDGES OF FABRIC SHALL OVERLAP \ A MINIMUM OF 9". STONE TO BE VDOT CLASS Al STONE (L=io FT, w1=2.5 FT, w2=10.83 FT, DEPTH=i.5 FT) TMP 6oE1-0C-3 01� - \ ----- --- - -- _ Sediment Trap design #1 drainage area (acres) (< 3 ac) 2.84 AP1°m trap volumes: oRawti CREST Or STORE WEIR I vARueEE' elevation (ft) area (sf) volume(cf) volume(cy) GROUND I��- 572 1606 0 0.0- 574 4368 5,748 212.9 DRY STORAGE - N VARABLE _ - -- jTMP�s 576 7289 17,281 640.1 / / \ \� / o6yo / 624 + 0 0 0 0.0 0 0 0 0.0 WET STORAGE 4, (IXGW3E0) FILTER aoTN GROUND - i / / / ` ELEV EXISTING DITCH LINE- - / -b30 / GROUND wet storage: -SEE PLATE 3.13-1 COARSE AGGREGATE CLASS I RIPRAP wet storage required (cy) (67*DA) 190.3 OAK bottom of stone weir (ft) 573.79 , - — — — _ / / / C/RCLE wet storage provided at this elevation (cy) 190.3 slope of wet storage sides 2:1 -- / / -- \G13A IC SCALE weir length (ft) (6xDA) 17.0 / --- - - — --- dry storage: bottom of trap elevation (ft) 570 0 _-x 30 0 15 30 ­60 dry storage required (cy) (67*DA) 190.3 bottom trap dimensions: 36x60' - crest of stone weir 574.8 top of dam elevation (ft) 576 dry storage provided at this elevation (cy) 190.3 top width of dam (ft) 6' / / _ - ( IN FEET)slope of dry storage sides 2:1 top trap dimensions 90'X106' / 1 inch = 30 ft. 22.�00 LE' LU N J W C N z \ W > (n LU ilk d z _j— J J _j > O I- o W U z 0 N L9 O J O J O z Q (D w U � 0 LU Y w > J U Q Z Dz Z O iw O o� z z � o � +_ ::D uj N rn O ~ U LLJ WITH FUELING TANK, DUMPSTER, AND PORTA-POTTIES O \ Q /�r� x _ O V _ — - C:) z 630- N / PAVED CONSTRUCTION ENTRANCE / 12'x70' MIN. -- w - - F NOTE: THIS CONSTRUCTION ENTRANCE SHALL BE \ INSTALLED, OPERATED, AND MAINTAINED BY THE CONTRACTOR. ALL CONSTRUCTION TRAFFIC IN THIS 0 0 J AREA SHALL UTILIZE THIS CONSTRUCTION ENHANCE. +• ILA I N JOB NO. x - \ 182150 \ SCALE 1 o0 1 T'=30' i2+oo — - SHEET NO. 2 OF 3 A9�/ 10 QQ 00 12° v �� ` \ s8� — — TMP 6oE2-1 — — — — FARM INGTON\COUNTRY CLUB v / D.B. 1263, PG. 66$- sao_ — \ --- / Lic. No. 035791,E s04/23/21w4 �SIONAL E��'l V) z O z w d 0 E L" U Um z"c� w G 2z z O J Q U in tLn w z H a — -- i 0 \ I I ♦ \ \ \ r80 S ° I 1\ \%*\ Mcp / _ rl PROPOSED REROUTED 25o LF / 12" HDPE PRIVATE YARD DRAIN \ / START INV = S84.00 !END INV = 576.o0 j h / 600 /600 htoo TMP 604 6oE2-oG-1 / / / / (001) 6,o / (000 / FABRIC TER F / O/ UNDERLA MENTKEYEDINTOTHEEXISTING / 610 OUTLET GROUND A MINIMUM OF 9" ATTHE ENDS & ALONG THE PERIMETER. EDGES OF FABRIC SHALL OVERLAP A MINIMUM OF 9STONE TO BE VDOT CLASS Al 614 _ V \ STONE (L=10 FT, w1=2.5 FT, w2=10.83 FT, DEPTH=i. FT) TMP 6oE3.-OC-3— \ EXISTING CHANNEL INTO WHICH/ / 0" 618 \ WHICH PIPE OUTFALLS / b° / o / / - -CO r6o I \ ROOF DRAIN AND YARD INLET DESCRIPTIONS STR. No. PIPE INFORMATION INLET INFORMATION COMMENTS DIA. (in.) LENGTH (ft.) SLOPE (%) INVERT IN INVERT OUT MATERIAL INLET TYPE RIM ELEVATION EX 1 EX INLET 585.77 EX 12" ADS GRATE INLET OUT 12 250.00 3.20% 584.00 576.00 1 HDPE Structure Area (Acres) Cw t° (min.) EX 1 3.37 0.39 10.0 z Q \ J rn � M M 0 p� + N \ _ / N LU N J W C O N —� W > cw w DC z z > cL w OU Lu + _ (D " 0 � z L9 J � J O ,Q (D � z Q V 0 0 WI Q Y /LU w J z / U G Q z O z w 0� Z w z +_ ::D - N � VJ U) O � U � z --- _ _ _ _ -----� - Of 0. �— — B NO. _ — - ---- 182150 -- G \ _ � IC SCALE ��f00 _ � SCALE \ / i x0 30 0 15 30 \GO\ � � � - � � � II =30' O _ 11+00 SHEET NO. IN FEET) — - - 3 OF 3 1 inch = 30 ft.