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HomeMy WebLinkAboutWPO201900022 Plan - VSMP 2020-07-22VICINITY MAP: 1" = 2,000' 1l N /1,1 s �I l SOILS DIVIDE V SITE TYP. \ rC Og.RO II \ \ LIMITS OF DISTURBANCE\ �0 I (4.25 ACRES) \ \ N- GOAKS DR - /\�GLESIDE FA ��v vF,�a�DE LN Q \ �-ECRF �� 20 \ \ X D-DL_-D D �N� SS OR C•� _; � \ \ \ I LN V V A I I \ Ix \ I yea, f � ~ ®• \ \ � \ � �-I\ \ � � � � oR�� P XXXXX�X 1�y R\I �\° SOILS 144U Q/ / x x�x- S SRC O= Z _ ,.` <y ryEYN; � \ ,OCD•FO RGEIRL "v` • \ DRAINAGE LIMITS TO eoi DADA.o7 bA D �I�\I I SEDIMENT TRAP I A� \ X (2.65 ACRES) Q•Ov AL TEyNrSRD o- Charlottesville -City 2000 ft '.� I i. i, < yc=1,F c' I 1 x I I GENERAL EROSION & SEDIMENT CONTROL NOTES / I1 , it (9. lI 1. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE ) SOI & 14C l �/ / ( I\ l WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITY, AND ONE WEEK PRIOR TO THE FINAL 1 x INSPECTION. 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO / I I i /I / I MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND / I VIRGINIA REGULATIONS VR 625-02-00 EROSION AND SEDIMENT CONTROL REGULATIONS. / // -fX. GRAVEL DRTVE 3. 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. / / / I / \ r X x x X 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS / / cj / // \\� / GATE x XV, x x SINCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A UPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN APPROVING AUTHORITY. A C 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY / _ _ _ - - - - - J_ - - TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN APPROVING AUTHORITY. - -_t -- SF5"1- GRAVEL \ EX. DIRT PILE S�1LS 7C - - - - - _-CLEAN-WATER"�9 \ MATERIAL�TOi KKPILE AREA - - - - � DIVERSIi#T_' _ - - _ - - - - - - P�DVIDEEC LINL D CNANNEt \ \ - - �� -1PSTREAM-SIDE` DIVF�ION­ \ GLEAN WAT DD \ =/� (2J SiUESLORES9DERTH�� _ DIVERSIO N #1\ - PROVIDD'E�EC-2 LINED QHANINIEL ON \ �\ \\ UPSTREAM SIRE OF DIV SION - - - - - _ - - - _ - \ (2:1 SIDE SLOPE 1' DEPTH)\ EX. DIRT PILE _ _ - _z . RIGHT -OF W \ -A85- - �'-D)Db=_D TDB BB D DCY-U�DD-=4�-�fgf\ \IVERSIONti W� DAB ����°oP-----------------I / o D 1 / CI CULVERT INLET / O- 8� \ + BRA FOR / / OPROTECTION I \ SADISE PARADE Q0�, I \ \ \ \ \ CLUSTER DOUBLE\� STAGING/LAY(,QWN cpRAVEL oy 1 1I x V / RAME x -\ \ \ I HED V\ GRAVEL �'?Q x x -ma{ I WINDERY BARN I I EQUIP4NT BARN + \ \ CONC II x \ \ / \ I / TP 01 PROTECTON \ - - - - - - - - EX. GRAVEL DRIVE \ GATE /'/ / J �'-� QO GRAVEL GRAVEL -- - - - - - - - - - - - - - --- -- / GRAVEL 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND O� / / / \ \ \� c�9 / EX. STORM TO REMAIN DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. / ` 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. SF SF/-�S� / �480 j \ - _ coNcwi a0 / / / \ CULVERT INLET OIL TANK 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY AND AFTER EACH / / / / I� P H / / / / I �/ 7 / / PROTECTION CI RUNOFF -PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE / / / / SEX. STO> TBR \ \ BHP BHP / O/ I / �� / EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. � 0// 'A / r, -/ 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED, DESIGNATED BORROW AREA. / / / '� / I � va va -da va da va da va 11. ALL WASTE MATERIALS SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, i / / RETREAT BARN // A111 FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. O % I 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION PER ZONING ORDINANCE SECTION TIP TR E Ds / 5.1.28. _ o / I� I coot e OCK ILS 37C3 13. ALL INERT MATERIALS SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13-301 OF THE CODE OF ALBEMARLE. i -I / / % I I,0001 D Acr�AAYDO CURB CURB - - I �( I I STAGING/LAYDOW , y/ / 14. BORROW, FILL OR WASTE ACTIVITY INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT SHALL BE LIMITED TO THE HOURS OF _ Q-� ' I \14P "300 / / / / �/' 7:00 AM TO 9:00 PM. _ - I _ I D �y GRAVEL H SAME 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAN MAINTAINS LATERAL SUPPORT, OR - LH;S DISTURBANCE_- ` - GRAVE W��100 / GRAVEL O ORDER TO MINIMIZE ANY HAZARD TO PERSONS, PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS, AND 1- (4-25 A S) �� \ �� \ o P /may // DAMAGE TO ANY PUBLIC STREET BECAUSE O SLIDES, SINKING, OR COLLAPSE. -O� ) O / / 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR CONVERT TO PERMANENT STORMWATER - w ODENC ODEN CURB MANAGEMENT FACILITIES WHERE APPLICABLE ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS �- �\ \ a a 0 s F OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. / Q / / \ 01 d ° cos p eM �O - \ GRAVEL Q A O / 0' I--- 17. 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 RYE GRASS AND CEREAL WINTER RYE, 1 DID _ \ A ��- / OR IN MARCH AND APRIL TO CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST OF GERMAN MILLET. at DIVE I�KE / \ ~ ° / /P i STRAW MULCH IS TO BE APPLIED AT 80LBS/100SF. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION _ -' \\ CONTROL INSPECTOR. 0__ _ � 11" � \ �1� /dy � TA / GRA "50 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER, PERMANENT SEEDING, AND MULCH. AGRICULTURAL GRADE O \ / GRAY 0"50 LIMESTONE SHALL BE APPLIED AT 90LBS/1000S.F., INCORPORATED INTO THE TOP 4-6 INCHES OF SOIL. FERTILIZER SHALL BE O a \ `o APPLIED AT 1000LBS/ACRE AND CONSIST OF A 10-20-10 NUTRIENT MIX. PERMANENT SEEDING SHALL BE APPLIED AT 6 �\ \ / \ �\ PO" - -� / / / �. / EX. GRAVEL DRIVE LBS/1000 S.F. AND CONSIST OF TURF -TYPE TALL FESCUE BLEND AND 0-5%PERENNIAL RYE GRASS. STRAW MULCH IS TO BE I \ \ \ \ `jp� O"5�- $ �'�/ APPLIED AT 80LBS/l000 S.F. ALTERNATIVES ARE SUBJECT TO APPROVED BY THE COUNTY EROSION CONTROL INSPECTOR. vEL O SOILS 14B \ \ FOR SEEDING DURING WINTER, MIX 20%ANNUAL WITH T.T.T. FESCUE/PERENNIAL RYE BLEND AND SEED AT 7 LBS/1000 S.F. - COVER SEEDED AREAS WITH TYPAR TURF BLANKET (OR EQUIV.) SUITABLE FOR SEED GERMINATION AND PIN IN PLACE PER MANUFACTURER'S INSTRUCTION. / 6p \ O O \\ \ PO 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% 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 DIKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT MUST BE CLEANED AND REPAIRED IMMEDIATELY. SILT FENCE SF 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED WITHIN 30 DAYS OF FINAL \ N \4 // 1 //= (PARALLEL T RIVE) \ / SITE STABILIZATION, WHEN MEASURES ARE NO LONGER NEEDED, SUBJECT TO APPROVAL BY THE COUNTY \ \ \ EROSION CONTROL INSPECTOR. TEMP. SEDIMENT TRAP @T \ �� \ LIMITS OF DISTURBANCE 21. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 YEAR OF THE DATE OF DRAINAGE AREA = 2.65 Aq. \ \ \, // 6 EX. STORM TO REMAIN (4.25 ACRES) / APPROVAL. (WATER PROTECTION ORDINANCE SECTION 17-204G.) \ 6WIDE EMBANK. (TOP ELIEN. 466.00) O 22. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE BOTTOM OF TRAP ELEV. 4'3.00 \ `. '� CONSTRUCTION DATE THE LAND DISTURBING ACTIVITY COMMENCED. (WATER PROTECTION ORDINANCE SECTION 17-207B. I WET VOLUME = 181 CY Q \ a I / ENTRANCE 16.0' STONE WEIR I BOTTOM OF WEIR @ ELEV. 464.00 EX. RAVEL DRIVE l G MAINTENANCE NOTES TOP OF WEIR @ ELEV. 45IN .00 / DRY VOLUME = 218 CY I A NFALRAL, L LOW G ITEMS WILL MEN CHONTROLIN PARTICULAR. WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT I I I I II / _ \ I N E&SC MEASURES SOILS INFO: 1. THE INLET PROTECTION WILL BE CHECKED REGULARLY FOR SEDIMENT CLEANOUT. a I INSTALL VDOT STD. EC-2 CE CONSTRUCTION ENTRANCE: E&SC STD. 3.02 SOILS GROUP 14B -CHESTER LOAM, 2 TO 7%SLOPES IR/M1PS O 2. THE GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP WHICH WOULD PREVENT DRAINAGE. IF / 11 I �i"f I I I WPLINING IN CHANNELSOILS GROUP 14C - CHESTER LOAM, 7 TO 15%SLOPES THE GRAVEL IS CLOGGED BY SEDIMENT, IT SHALL BE REMOVED AND CLEANED OR REPLACED. O 1 I I V SOILS GROUP 14D CHESTER LOAM, 15 TO 25%SLOPES J W 16� _ / I III I I I I I I SF SILT FENCE E&SC STD. 3.05 SOILS GROUP 37C3 - HAYESVILLE CLAY LOAM, 7 TO 15%SLOPES 3. THE SILT FENCE BARRIER WILL BE CHECKED REGULARLY FOR UNDERMINING OR DETERIORATION OF THE FABRIC. vJP I SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHES HALF WAY TO THE TOP OF THE BARRIER. / WPO-100 y \ - I O II I Ii i I I I CIP CULVERT INLET PROTECTION E&SC STD. 3.08 4. THE SEEDED AREAS WILL BE CHECKED REGULARLY TO ENSURE THAT A GOOD STAND IS MAINTAINED. AREAS SHALL BE 100 O��s >3 I I I INSTALL VDOT STD. EC-3 FERTILIZED AND RESEEDED AS DETERMINED NECESSARY BY VIRGINIA TECH SITE DEVELOPMENT DEPARTMENT. WPO" J LINING ON STEEP SECTION DD DIVERSION DIKE E&SC STD. 3.09 O P� 1 � � � � I I +� I � OF CHANNEL PS RIGHT-OF-WAY DIVERSION E&SC STD. 3.11 CONSTRUCTION SEQUENCE ��oq 466 8/�/�® "II I Ii I ®O \ I I I I I 1. CLEARLY MARK LIMITS OF WORK THEN INSTALL CONSTRUCTION ENTRANCE AND PERIMETER SILT FENCE. l \ \` 4 B 3�- WPO- I Q I I II I I INSTALL VDOT STD. E - EX. POND OP OUTLET PROTECTION E&SC STD. 3.17 2. ESTABLISH STAGING/LAYDOWN AND STOCKPILE AREAS. INSTALL TREE PROTECTION. \6 = ° I ° I I LINING IN CHANNELIR/Ml PS 2' V 3. INSTALL DIVERSION DIKES WITH EC-2 MATTING, RIGHT-OF-WAY DIVERSIONS, AND INLET/OUTLET PROTECTION ON /P TO TOPSOILING E&SC STD. 3.30 EXISTING CULVERTS. WpQ"50 / I 50 / II I I I RIP RAP OUTLET TS TEMPORARY SEEDING: E&SC STD. 3.31 4. INSTALL SEDIMENT TRAP AND ENSURE DRAINAGE TO TRAP. PROTECTION JPO" �� - - L ) I I I O �46p- / �/ I I OP 5. PERFORM DEMOLITION ACTIVITIES. PS PERMANENT SEEDING: E&SC STD. 3.32 6 COMMENCE SITE DISPOSE OF DEBRIS ANDING AND ADDITIONAL SOI S APPROPRIATELY. UBBING TIVITY. STRIP TOPSOIL AND STORE IN STOCKPILE AREA, 4' DEPTH MAX. �j j E�T EX. POND MULCHING E&SC STD. 3.35 7. ESTABLISH NEW SITE GRADES AND STORM DRAIN INFRASTRUCTURE WITH INLET PROTECTION, CULVERT INLET SPILLWAY PROTECTION, AND RIP RAP OUTLET APRONS. / l \ i l B/M SOIL STABILZATION 8. APPLY EROSION CONTROL MATTING ON ALL SLOPES GREATER THAN 4:1. I III l I I BLANKETS & MATTING E&SC STD. 3.36 9. STABILIZE IMPERVIOUS SURFACES WITH GRAVEL OR PAVEMENT AND ESTABLISH VEGETATION ON ALL NON-PAVEDII 11 l TP AREAS THAT HAVE BEEN DISTURBED. TREE PROTECTION E&SC STD. 3.38 10. ONCE SITE HAS BEEN DEEMED STABILIZED BY COUNTY INSPECTOR, CLEAN AND REMOVE ALL TEMPORARY EROSION I I I I I l I I I I I I Il l DUST CONTROL E&SC STD. 3.39 CONTROL MEASURES AND THEN CONVERT TEMPORARY SEDIMENT TRAP TO LEVEL SPREADER AS SHOWN. APPROVED by the Albemarle County Communityry Development Department Date 7/Z2/20 171C�'�'l I�Y4r)G F'Ir DDY�� waterstreetstudio landscape architecture I civil engineering 418 E Main Street 434.295.8177 Charlottesville, VA 22902 o �PLTH Op P L� r Alan G. Franklin 10 Lie. No. 35326 w ° 04/02/2020 'PS 1.0NAL professional seal project manager Eugene Ryang project team Mark Lieberth OAKENCROFT FARM WINERY project name client OAKENCROFT HOLDINGS LLC project address 410 EAST WATER STREET #500 CHARLOTTESVILLE, VA 22902 project number 90%CONSTRUCTION DRAWINGS project phase MAY 15, 2020 issue date revisions EROSION & SEDIMENT CONTROL PLAN - STAGE A sheet title 0 15' 30' 60' EC4 sheet number 6` SCH. WVC OVERF• W/ waterstreetstudio landscape architecture I civil engineering 418 E Main Street 434.295.8177 Charlottesville, VA 22902 LTH OF vr�c t VO r9 . Alan G. Franklin Lie. No. 35326 w O W. 70NAL professional seal project manager Eugene Ryang 4838 .0 + project team 4g� Mark Lieberth 5 �}f EX. STORM TO REMAIN CULVERT INLET PROTECTION CI ANU KLMVVt wAY \ / I I III IM\\ol \O\ \ \\\ 1d i I I I rA. vKAV[L UKIV[ UE CONSTRUCTION ENTRANCE: SEDENT TRAP TO REMAIN �J a I UNjIL CONTRIBUTING I II SF SILT FENCE o DISTURBED AREAS ARE z STABILIZED I \\ \ \ d I II I I I CI CULVERT INLET PROTECTION a LINING INSTALLC°HANNEE(g/� p$ pp DIVERSION DIKE / 100 \ WPO100 I I I I I II v / wp0-100 I I I I I RIGHT-OF-WAY DIVERSION o%woQww= I p$ EX. POND �BOTTEOSMP OUTLET PROTECTIONw Wp0-100 QINSTALL VDOT STD. EC-3 0100p/ LINING ON STEEP SECTION TOPSOILINGOF CHANNELz op01� TEMPORARY SEEDING:K p465�-- WPO-100 q=DA,� O g_�I -100 __WP\tja50� INSTALL VDOT STD. EWPO O50PERMANENT SEEDING:WPO-100 LINING IN CHANNE Wp0-100 -.6�_ _ MULCHINGWpp-50 wPp50-- OUTLET Wp0-50�PROTECTION SOIL STABILZATION u wp0-50 I I I C BLANKETS & MATTING > 3 wpO� / I IIh \I IEXI POND WPO 50-- E�T _ --- SPILLWAY TP TREE PROTECTION -50' -- ---- WPO WPO50' 0 DUST CONTROL PO-50 W SOILS INFO: SOILS GROUP 14B CHESTER LOAM, 2 TO 7%SLOPES SOILS GROUP 14C - CHESTER LOAM, 7 TO 15%SLOPES w SOILS GROUP 14D - CHESTER LOAM, 15 TO 25%SLOPES I I I I I I I I I 0 1530' 60 11 N I L 4 sheet number p SOILS GROUP 37C3 - HAYESVILLE CLAY LOAM, 7 TO 15%SLOPES a OAKENCROFT FARM WINERY project name client OAKENCROFT HOLDINGS LLC project address 410 EAST WATER STREET #500 CHARLOTTESVILLE, VA 22902 project number 90%CONSTRUCTION DRAWINGS E&SC STD.3.02 project phase E&SC STD. 3.05 MAY 15, 2020 E&SC STD. 3.08 issue date E&SC STD. 3.09 E&SC STD. 3.11 E&SC STD. 3.17 E&SC STD. 3.30 E&SC STD. 3.31 E&SC STD. 3.32 revisions E&SC STD. 3.35 EROSION & E&SC STD.3.36 SEDIMENT CONTROL E&SC STD. 3.38 E&SC STD.3.39 PLAN STAGE B sheet title SOURCE: ADAPTED from VDOT Standard Sheets and Va. DSWC **USE PLASTIC FENCING FOR TREE PROTECTION PLATE. 3.08-1 CLASS Al RIP RAP (BROWN RIVERSTONE OR LUCK CHALET) A T 3Do lk Do PLAN VIEW SEE PLAN FOR SIZING OF EACH OUTLET PROTECTION k 31 + La JPIPE OUTLET TO FLAT AREA WITH NO DEFINED CHANNEL L SOURCE: VDOT ROAD AND BRIDGE STANDARDS 0°� I1 7- FILL SLOPE SECTION SECTION A -A FILTER CLOTH SOIL STABILIZATION MATS SHOULD BE INSTALLED VERTICALLY 5. / KEY IN 6"-9"; RECOMMENDED DOWNSLOPE FOR BEST RESULTS. Q FOR ENTIRE PERIMETER / 10 OUTLET PROTECTION / f5, a Q SOURCE: VA. DSWC PLATE 3.09-1 Q 4f�N Q o%�a���� Compacted Soil / OL�R�9a It, Q 18" min. -Flow Q IIIII-11' I—Ilil��ll �� 4.5' min. TEMPORARY DIVERSION DIKE TOE MAINTAIN SLOPE ANGLE ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS QUICK REFERENCE FOR ALL REGIONS RATE PLANTING DATES SPECIES (LBS/ACRE) SEPT. 1- FEB. 15 50/50 MIX OF ANNUAL RYEGRASS & CEREAL WINTER RYE 50-100 FEB. 16 - APR. 30 ANNUAL RYEGRASS 60-100 MAY 1 -AUG. 31 GERMAN MILLET 50 TEMPORARY SEEDING DBH= DIAM PLATE: 3.36-,.TRUNK AT I OEX.- 20" DB RADIUS TR ZONE PROTECTR MAXIMUM L CLEARING NOTE: SLOPE SURFACE SHALL BE SMOOTH PROPOSE[ AND FREE OF ROCKS, LUMPS OF DIRT, GRASS AND STICKS. MAT SHALL BE PLACED FLAT ON SURFACE FOR PROPER SOIL CONTACT. f z' DIRT SHALL BE TAMPERED PRIOR TO LAYING TOP LAP OVER BERM TRENCH INTO BERM AND PROGRESS DOWNSLOPE TOP OF SLOPE LINING SLOPE LINING CUT SLOPE (WET SLOPE) IF(DRY SLOPE) TREATMENT-2l'- _I POLYPROPELYENE sir � Ilr NON -WOVEN Ih 2' (NEEDLE PUNCHED) i1I SN TREATMENT-2 GEOTEXTILE FILTER 11-1= F�\jER CeSOURU FtERI CLOTH (BEHIND 4 pg0 SOI TREATMENT-2) IrIOf SOIL] .`E BOTTOM OF FILL SLOPE iWpTi 11 j�� 4 ~Ilan �I 111- BOTTOM OF CUT SLOPE _ BOTTOM OF CUT SLOPE 4' OR SHOULDER BREAK POINT SOIL STABILIZATION MATTING SLOPE INSTALLATION TABLE 3.32-D SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA Total Lbs. Per Acre Minimum Care Lawn - Commercial or Residential M200 lbs. Turf -Type Tall Fescue 95-100% 0-5%D 0-5% HiRh- Maintenance Lawn 200-250 lbs. .IG�it�1g1.3i�r Turf -Type Tall Fescue 100% General Slope (3:1 or less) Y.•twir•1ryrJi �•• cue 128 lbs. - Red Top Grass 2 lbs. - Seasonal Nurse Crop ' 20 lbs. 150 lbs. Low -Maintenance Slope (Steeper than 3:1) e 108 lbs. - Red Top Grass 2 lbs. - Seasonal Nurse Crop ' 20 lbs. - Crownvetch " lbs. _20 150 lbs. ` Use seasonal nurse crop in accordance with seeding dates as stated below: February 16th through April ...................... Annual Rye May 1st through August 15th ..................... Foxtail Millet August 16th through October ...................... Annual Rye November through February 15th ................... Winter Rye " Substitute Sericea lespedeza for Crownvetch east of Farmville, Va. (May through September use hulled Sericea, all other periods, use unhulled Sericea). If Flatpea is used in lieu of Crownvetch, increase rate to 30 lbs./acre. All legume seed must be properly inoculated. Weeping Lovegrass may be added to any slope or low -maintenance mix during warmer seeding periods; add 10-20 lbs./acre in mixes. PERMANENT SEEDING SOURCE: Adapted from Installation of Straw and Fabric Filter Barriers for Sediment Control, Sherwood & Wyant PLATE. 3.05-1 1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO THE POSTS. TRENCH UPSLOPE ALONG THE LINE OF POSTS. I � r� I FLOW III II 4" 3. ATTACH THE FILTER FABRIC TO THE WIRE 4. BACKFILL AND COMPACT THE FENCE AND EXTEND IT INTO THE TRENCH. EXCAVATED SOIL. FLOW EXTENSION OF FABRIC AND WIRE INTO THE TRENCH. �IyRT"—�j111� - CONSTRUCTION OF A SILT FENCE PLASTIC FENCING SHALL BE 40 INCH HIGH "INTERNATIONAL ORANGE" PLASTIC (POLYETHYLENE) WEB FENCING SECURED TO CONVENTIONAL 60-INCH TALL METAL "T" OR "U" POSTS DRIVEN TO A MINIMUM DEPTH OF 18 INCHES ON 6-FOOT MINIMUM CENTERS. THE _ FENCING SHALL BE INSTALLED AT THE LIMITS OF CLEARING. THE FENCE SHOULD HAVE THE E:I 7 FOLLOWING MINIMUM PHYSICAL QUALITIES: TOE OF FILL Iy • TENSILE YIELD: AVERAGE 2,000 LBS PER 4-FOOT WIDTH (ASTM D638) • ULTIMATE TENSILE YIELD: AVERAGE 2,900 LBS PER 4-FOOT WIDTH (ASTM D638) 13 • ELONGATION AT BREAK (%): GREATER THAN 1000% (ASTM 1 1Jo • CHEMICAL RESISTANCE: INERT TO MOST CHEMICAL AND ACIDS L ILI_ I ELEVATION OF STAKE AND DETAIL A FABRIC ORIENTATION SPECIFIC APPLICATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE THE INLET DRAINS A RELATIVELY FLAT AREA (SLOPE NO GREATER THAN 5%) WHERE THE INLET SHEET OR OVERLAND FLOWS (NOT EXCEEDING 1 C.F.S.) ARE TYPICAL. THE METHOD SHALL NOT APPLY TO INLETS RECEIVING CONCENTRATED FLOWS, SUCH AS IN STREET OR HIGHWAY MEDIANS. f%ll T r—r—kIr%r-' r%r%t-%r% IAII r-T M Me%Tr-/%-r1e%AI DRAINAGE SWALE DIRECTS FLOW TO SEDIMENT BASIN 70' MIN. 3" SM-2A ASPHALT TOP COURSE A� 2% 2% DIVERSION DITCH J F SIDE ELEVATION EXISTING GROUND A 70' MIN. EXISTING PAVEMENT 6" VDOT #21A AGGREGATE BASE .. , 1 10' MIN. 12% dd 12' IMIN. 2% I 2% DIVERSION DITCH MINbbbDIVERSION DITCH MIN. DRAINAGE POSITIVE DRAINAGE WIDTH AT DESIGN WATER TO SEDIMENT II ELEVATION IS 4.0' I TRAPPING DEVICE PLAN VIEW MUST EXTEND FULL WIDTH OF INGRESS AND EGRESS OPERATION 7111 AAIAI 2% EXISTING PAVEMENT r ,N., L TOE OF FILL 0 0 SILT FENCE o 0 0 0 DISTANCE IS 6' MINIMUM IF FLOW IS TOWARD EMBANKMENT * FLOW OPTIONAL STONE COMBINATION 1.0' 1.5' h FLOW " VDOT #3, #357, #5, #56 OR #57 COARSE AGGREGATE CLASS I RIPRAP TO REPLACE SILT FENCE IN " HORSESHOE " WHEN HIGH VELOCITY OF FLOW IS EXPECTED CULVERT INLET PROTECTION .SEE PLATE 1.13-1 Wet Storage ORY.STORAGE WET STORAGE (EK°AVATER} FILLER CLOTH GROUND `1orv. COnRSE AGGRE°STE� CLASS I MPRM Wet Storage Required (cy) (67*DA) 174.2 Bottom of stone Weir (tt) 464.0 Wet Storage Provided at this Eelevation 181.0 Slope of Wet Storage Sides 3:1 Weir Length (tt) (6xDA) DryStorage: Bottom otTrap Elevation (tt) DryStorage Required (c)4 (67*DA) 174.2 Bottom Trap Dimensions: Crest of Stone Weir 465.0 Top of Dam Elevation (tt) DryStorage Provided at this Elevation (c 218.0 Top Width of Dam (tt) Slope of Dry Storage Sides 3:1 Top Trap Dimensions TYPICAL TREATMENT-2 SOIL STABILIZATION MATTING INSTALLATION SOIL STABILIZATION MATTING SHALL BE USED IN CONJUNCTION WITH RIPRAP AT OUTLET END OF PIPE . >4 �° ° ``I +trtNlww \ / ENTRENCH EDGES OF MATERIAL C CHEK SLOTS TO BE ,1 CONSTRUCTED AS PER MANFACTVRERS RECOMMENDATIONS. SET IM" WATER HYDRANT WITH FROST PROOF HYDRANT 3' ABOVE GRADE AND 4' OFF EDGE OF PAVEMENT TRANSVERSE CLOSED CHECK NOW"'— _rr TRANSVERSE OPEN CHECK SLOT w - UPSTREAM AND DOWNSTREAM TERMINAL 15.6 453 65'xl20' 466 6 80'xl 40' waterstreetstudio landscape architecture I civil engineering 418 E Main Street 434.295.8177 Charlottesville, VA 22902 (Alan �PLTH OF 4441 t 10 G. FranklinLic. No. 35326S I ON A L professional seal project manager Eugene Ryang project team Mark Lieberth OAKENCROFT FARM WINERY project name client OAKENCROFT HOLDINGS LLC project address 410 EAST WATER STREET #500 Q41ARLOTTESVILLE, VA 22902 project number 90%CONSTRUCTION DRAWINGS project phase MAY 15, 2020 issue date revisions EROSION & SEDIMENT CONTROL DETAILS sheet title EC4903 sheet number (WITH WIRE SUPPORT) SOIL STABILIZATION MATTING CHANNEL INSTALLATION Oakencroft Farm Winer �// 676 58ort g / 1 y Legend (Nate'. Some sums on map may not apceann legend) SH LI 4 -rt O N�o GP I 601 620V 'P9ti1p? x r � i / 'C`� GATE LN 58orRl FRJ �1 KSFARMt'iD > B RRAc ? g \ Iy 1\ 't 520 rt Cq rCIN RD PROJ RB NCE ACRES 1 �` �5 e� A o �NTRIBUT 4e A10 J 9p,R roc hy0"r , o�-0 Stlifi ft IF �\� RUST 1 G USTf/G oR RO crsweb gild, a asarlauronKD OAKENC w1a)zse-se3z Map ., fur °"piay perpe,e, Only• Aerul lmal lydo my CrEmm°'weehn of val ard other 9carrm POINT OF ANALYSIS - CONTRIBUTING DRAINAGE AREA = 425 ACRES (STREAM JUST DOWNSTREAM OF POND Q PROPOSED LEVEL SPREAE VSMP CHANNEL & FLOOD PROTECTION ANALYSIS STORMWATER MANAGEMENT NARRATIVE VSMP CHANNEL PROTECTION CRITERIA & FLOOD PROTECTION CRITERIA THIS RE -DEVELOPMENT PROJECT CREATES A SLIGHT INCREASE IN IMPERVIOUS COVER AND SUBSEQUENTLY A MINIMAL INCREASE IN RUNOFF VOLUME AND PEAK FLOW FROM THE WORK LIMITS TO THE STREAM CHANNEL JUST DOWNSTREAM OF THE DAM OF THE EXISTING POND. HOWEVER, THE PROJECT LIMITS (4.25 ACRES) ARE LESS THAN 1 % OF THE CONTRIBUTING DRAINAGE AREA (425 ACRES) OF THE EXISTING STREAM CHANNEL JUST BELOW THE DAM SO THE EXISTING STREAM CHANNEL SERVES AS AN ADEQUATE RECEIVING CHANNEL FOR THE PROJECT. AN EXISTING, MANMADE DITCH CHANNEL AT THE TOE OF THE DAM WILL BE SEEDED AND MATTED WITH VDOT STD. EC-3 AND WILL CONVEY THE 24-HR, 2-YEAR AND 10-YEAR DESIGN STORM RUNOFF FROM THE PROJECT SITE, THROUGH THE STREAM BUFFER, TO THE STREAM CHANNEL TO ENSURE THAT THE RUNOFF WILL NOT NEGATIVELY IMPACT DOWN -GRADIENT PROPERTIES OR RESOURCES; THEREFORE, PER 9VAC25-870-66, THE VSMP CHANNEL PROTECTION CRITERIA AND FLOOD PROTECTION CRITERIA IS SATISFIED. WATER QUALITY CONTROL 113E:E: /1I I/E lnw arRr7-\UMI_r-1) 9VAC25-870-65 THE PROJECT LIMITS OF DISTURBANCE, 4.25 ACRES, IS LESS THAN 5.00 ACRES AND THE CALCULATED TOTAL LOAD (TP) REDUCTION REQUIRED USING THE VRRM SPREADSHEET, 1.10 LB/YR, IS LESS THAN 10 LB/YR. THE WATER QUALITY CONTROL PLAN FOR THE PROJECT IS TO PURCHASE CREDITS FROM AN APPROVED NUTRIENT BANK. (SEE FOLLOWING SHEET FOR WATER QUALITY CALCULATIONS) IT SHOULD BE NOTED THAT A RAINWATER HARVESTING SYSTEM, UTILIZING ROOF RUNOFF FROM ALL OF THE PROJECT STRUCTURES, IS BEING INSTALLED AS PART OF THIS PROJECT. RECLAIMED RAINWATER WILL BE UTILIZED FOR TOILET FLUSHING AND IRRIGATION. THE RAINWATER HARVESTING SYSTEM IS NOT INCLUDED IN THE STORMWATER MANAGEMENT PLAN AT THIS TIME. Nerr 0alurxrolt VAm pFel.st ry Date: 1 3/17/2010 U near Development Project? No Information pment Project (Treatment Volume and Loads) Enter Total Disturbed Area (acres) 4.25 Pro-ReDevelmp Fit Land Cover lacresl A Seals B sells C solb D Solla Toalls Fartw/OPm9paca (acrwl -undisturbed, pmtebed forestial peon orrelorested 0.00 0'00 Managed Turf(a di- disturbed, graded for arcs or other turf to be 2.75 2.75 1.50 ImpstvbwCovwiabw) L50 4.25 Prealesrdderea rtt Laard fares ,steed A sods asale CsalY 0Sills TonN Forest/Dp.Sq (sonsi undisturbed. reelected fores o ns orreforested 0.00 Om Menages T, eaef(asaxl-disturbed graded Ion ands or other turf to be 2.63 2.63 Imwrs'Iaw Cover labor 1.62 1.62 Are. ChAl OK. as. Cr OK. 415 Constaslts Annual Rainfall(imhes) 43 Target Rainfall Event indesl 100 Total Phwphoms (TPI EMC (nel 0.26 Total Nhmeea(TN) EMC(mg/O 2116 Target TPLoad(Ratacre/yo 0.41 P) Iunitleuaptredlonfadb) 0.90 Runoff Coefficients III taltunpw Falb [Onrlam YalYy daledxltm e4da Check: BMP Design Specifications List: 2011 Stds & Specs Linear project? No Land cover areas entered correctly? -/ Total disturbed area entered? s/ A $oft B gas CSa4e D Sol, F.-eu0pen Space 0.02 OA3 0.00 0.05 Mar 4Turf 0.15 0.20 1 0.22 D15 Impervbw Cover 0.95 0.95 1 0.95 0.95 Land Cover Summary -Pre Pre-ReDewbpmeM Listed Adjuaean ForesVOper, Spal Cove,(aoes) 0.00 0.00 Weighted Ralfprertt Om DoD %FORA 0% 096 Managed Tud Caner(acres) 2.75 2.63 Weighted Rv(turll o20 0.20 %Managed Turf 65% 64% repervlousCifor(aeres) 150 1.50 RvOmpervical OB5 0.95 %Impervous 35% 36% Tad SheA..(xres) 41S 4.13 Site Rv 0A6 0.47 Treatment Volume and Nutrient Load Pre -Re Development Treatment Volume lane-hl 0.1646 0.1626 Pre -Re Development Treatment Volume (cubicfeeq 7,269 7,082 PretleDevelopment TP Load pb/yr) 4.50 4.45 n..eoer rdpmeat TD wad pn one Fibt.lo i Lab Toe Baseline ID Load (Ibex) iOAlla{/spa/KappllmmprereoereloDrrnn,r arN ntluaing pervlaus land proposed far new Irr seraous revers 1,69 Adjusted Land Cover Summary: Pre ReDeve irp Bart land rover minus pervious land rover(forest/open are or .proved turf) orreove proposed forI i.pervbus rover. Adjusted total acreage h mnshtent man Post-Renevebpment uoeoae (minus a ter" rfnewimpervoes rover). CaLmn tsham bad redurtbn requrement for new Impervious cover (based on new development batl grog, 0.41 InVarre/year). Add Cover Summary -Past Manor LOW Cover SummmY-Post Lard Cover Summary -Post Pwt ReOev. B New lno,endrue, fbd-Rvpaveloprrwnt hat-Drvebprmm Final lmparvbus Forest/Open Spa¢ Fore iflOpen Space eoverlaber Om epver(abesl 0.00 Weighted RY(for,en oat Weighted Rv(forest) 0.00 %Forest 0% %Forest Of6 Managed Turf Cover 243 managed Turf Certain 2.63 Weighted Rv(I 0.20 Weighted Rv hurl 0.20 %Managed Turf 62% %Managed Turd 64% Impervious Cave, 162 Ral Impervious ]Serf New Impervious Cover 012 (xrer cover lacresl laser RY(indai anal 0.95 Rvlimparnal l 0.95 R bertia Maus) O.RS %ImpeMous 38% %Impervious 36% Tool Relan . Seat Mal Final SealA .(abet US lawn 4.13 Ilz.-. Final he Der me RY DA9 ft rvSeal Rv 0.47 Treatment Volume and Nutrient Load Final Poe- Post ReDeveloporent Post -Development Develaprtwnt Trtaerant Via.. 0.1721 Treatment volume 0.1626 Treatment Volume 00035 local lane It) Jarrett) Final Poe- Post ReDevelopment Post Development Tre Development 7,496 Treatment Volume 7,082 Treatment Volume 414 loube dume cudcfeed Irubir reed Imbir reed Final Post- Pos4Re0evelopment Development TP Post C 4.71 LoadIIDl 4A5 evelopment TIP 0.26 Load (Ib/yr)' Load III (Ib/yr) ost-DrvRI.Er m aslA-0opmenl T., a,P lozdpa,I a1L .Ed or, eoe L.m le/sale/PI gbpaely) a4a, andallun Required (.tow Pre- 10% Reoeeratea .Load) TP Load Reduction TP Lead Reduction Required For Required for New Redeveloped Area 0.89 Impervious Area 021 Ub/rrl (Ib/vrl TP Load Reduction Required (lb/yr) 1 1.10 IR - - (j LIMITS F_- / 1 DISTURANC \ = I (4.25 A RES) I \\ SOILS 37C3 AR �T, \ \ „ , �IT, RJR,_ °���vv���� -„ SOILS 14D = O �� \ ivy „_`�_ ( I b„ QOR OR I S , I � - 1 t Y . tf i DISTURBAN R F ' 6 rT.wr as Q / o / REo �hI SOILS 37 I 6 __-- a € O 14B /u,�� LIMITS OF 0`�_ �p0 /// DISTURBANCE / /„ �� WP0-50�� // /��' (4.25 ACRES) „ p / �:: v' „A „ o y . EX. POND / � \F, A III � /;:'R„r,.:.�„ (II VRRM LAND USE KEY II( I EXISTING CHANNEL W/ VDOT STD . A I „ - EC-3 MATTING ADD TO SERVE AS 1 „ l I CONVEYANCE TO STREAM LIMITS OF ANALYSIS 4.25 ACRES 10 �WpO.1Q�„„ ���I I L--J PROJECT LIMITS (ADEQUATE RECEIVING CHANNEL) MANAGED TURF, HSG B 2.60 ACRES LEA IIII IMPERVIOUS COVER, HSG B 1.50 ACRES WpO-SO-g I I I EX. POND EX. STREA U SPILLWAY 1- 0 30' 60' 120' �I)IIII�411 I IIII STORMWATER QUALITY MAP: PRE-DEV. \ T = LIMITS F 1 SOILS 37C3 _ l DISTURg4A E \ (4.25 A RE I \ � \\\Oel Is 3- - _ `er,\� � - -- \\ ,D� \\�\ SOI lIF A I LID.:. ISbIL 14 �.LET TA , R \ U,o o - J'IT..5 , FILTER �-� I lowAr . / J� ED j /�OF JI� € , -� MY FEE -MTWB ARE ­TFII If kjDI o , IT qq 46-5 / WP _ - ,, 1 LIMITS OF 46 p0 /� DISTURBANCE .,, (4.25 ACRES) IS EX. POND VRRM LAND USE KEY EXISTING CHANNEL W/ VDOT STD EC-3 MATTING ADD TO SERVE AS r 1 LIMITS OF ANALYSIS 4.25 ACRES CONVEYANCE TO STREAM L J PROJECT LIMITS (ADEQUATE RECEIVING CHANNEL) MANAGED TURF, HSG B 2.63 ACRES IMPERVIOUS COVER, HSG B 1.62 ACRES waterstreetstudio landscape architecture I civil engineering 418E Main Street 434.295.8177 Charlottesville, VA 22902 o � A'I Op vr*c f VO r9 . Alan G. Franklin FA Lie. No. 35326 w O 4 A L professional seal project manager Eugene Ryang project team Mark Lieberth OAKENCROFT FARM WINERY project name client OAKENCROFT HOLDINGS LLC project address 410 EAST WATER STREET #500 CHARLOTTESVILLE, VA 22902 project number 90%CONSTRUCTION DRAWINGS project phase MAY 15, 2020 issue date revisions STORMWATER MANAGEMENT PLAN sheet title EX. POND EXASTREA U II II\I I SPILLWAY 1- 0 30' 60' 120' ? w6mmmmmiiii �IIIIII� HIV IIII STORMWATER QUALITY MAP: POST-DEV. SW5901 sheet number SOILS 37C3 e 1 F u +u f r{+ r iF t.r a a S• \ Aaez! TIME OF - Av R x 7^t.: 3w AxzUd.,.x'.>. '%i ^7..? F•. . � I(-� \ CONCEN IONS ' h' J !, r S IL 1 ar r. I -� PATH \ � 7� { �� .w j . } �� x I J 44 nx EECEUT \ STA. 0+35� \ ( \ STA.0+90 \ll STI.1+38 STA.1+59� EX. STRErN JI �- DRAINiAGE�REA \ TO MANMAIJE I= I I CHANN�L ' Iz` �� \w LAT ELTER 7 �i W-F! AAA,,PIT.-.,, a,-NFE­ T _ '_­�' ILS 37 �1� TLEF EX. POND r I EXISTING CHANNEL W/ VDOT STD EC-3 MATTING ADD TO SERVE AS III' ;4' CONVEYANCE TO STREAM 04, III. (ADEQUATE RECEIVING CHANNEL) D.A. TO MANMADE CHANNEL = 2.15 ACRES //� I I fir Ii IIIII (MANAGED TURF, HSG B = 1.65 ACRES) //IIIII III (IMPERVIOUS COVE , S B 0.50 ACRES) _ I EX. POND Tc = 9.9 MINUTES SPILLWAY Q2(24HR) = 3.37 CFS 0 30' 60' 120' /' I I III III ^IIIII Qlo(24HR) = 7.88 CFS EXISTING CHANNEL DRAINAGE AREA MAP EX. CHANNEL Oakencroft Winery Type // 24-hrALB-02YR Rainfall=3.60]' Prepared by {enter your company name here} Printed 3/17/2020 HydroCAD® 9.10 s/n 06424 ©2010 HydroCAD Software Solutions LLC Page 1 Summary for Subcatchment 2S: D.A. TO EX. CHANNEL Runoff = 3.37 cfs @ 12.03 hrs, Volume= 0.172 af, Depth> 0.96" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hrALB-02YR Rainfall=3.60" Area (ac) CN Description 1.650 61 >75% Grass cover, Good, HSG B 0.500 98 Paved parking, HSG B 2.150 70 Weighted Average 1.650 76.74% Pervious Area 0.500 23.26% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.2 100 0.0200 0.18 Sheet Flow, Grass: Short r 0.150 P2= 3.60" 0.1 20 0.0500 3.60 Shallow Concentrated Flow, Unpaved Kv= 16.1 fps 0.6 250 0.0200 6.95 5.46 Pipe Channel, 12.0" Round Area= 0.8 sf Perim= 3.1' r= 0.25' n= 0.012 9.9 370 Total EX. CHANNEL Oakencroft Winery Type 1124-hrALB-10YR Rainfall=5.50]' Prepared by {enter your company name here} Printed 3/17/2020 HydroCAD® 9.10 s/n 06424 ©2010 HydroCAD Software Solutions LLC Page 2 Summary for Subcatchment 2S: D.A. TO EX. CHANNEL Runoff = 7.88 cfs @ 12.02 hrs, Volume= 0.395 af, Depth> 2.21" Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs Type II 24-hrALB-10YR Rainfall=5.50" Area (ac) CN Description 1.650 61 >75% Grass cover, Good, HSG B 0.500 98 Paved parking, HSG B 2.150 70 Weighted Average 1.650 76.74% Pervious Area 0.500 23.26% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 9.2 100 0.0200 0.18 Sheet Flow, Grass: Short r 0.150 P2= 3.60" 0.1 20 0.0500 3.60 Shallow Concentrated Flow, Unpaved Kv= 16.1 fps 0.6 250 0.0200 6.95 5.46 Pipe Channel, 12.0" Round Area= 0.8 sf Perim= 3.1' r= 0.25' n= 0.012 9.9 370 Total Channel Report ,ryenno.smmrrsA=u�,be4maeoaurwoeca ne5rerurk uv. Turlay.urt]mM Station 0+35 02 userdefired Highlighted Invert Elev (ft) = 464.00 Dpth ft) - 0.38 Slope (%) = 2.20 Q (cfs) 3.370 N-Value = 0.035 Nee (sgft) = 1.54 Velocity (fits) = 2.20 Calculations Wetted Perim (fl) - 7.13 Compute by: Known Q Crit Depth, Yc (ft) - 0.35 Known Q (cfs) = 3.37 Top Width (ft) - 7.08 EGL (fo = 0.45 (Sta, El, n){Sta, El, n)... (Am.iflS.m .K.m.Y.MfiHam,NOD]...Xi]m..N.c.) Elev (ft) SectionDepth (A) 466,00 46550 466.00 4 .W '16a.W 463.W -2 0 0 4 6 6 10 12 14 16 16 20 Sta (ft) Channel Report 2W 1.50 1.00 0.50 0.00 -0W IkEnMV F;ma64iwnb.4MEatl9RnbCTaa G.i Oab,.4ptlrk uv. TurLy,W„]mm Station 0+90 02 User -defined Highlighted Invert Elev (ft) = 463.00 Depth (ft) = 0.36 Slope (%) = 2.10 Q (cfs) = 3.370 N-Value = 0.035 Am(sgft) = 1.43 Velocity (fits) = 2.35 Calculations Wetted Perim (fl) = 8.09 Compute by: Known Q Crit Depth, Yc (ft) = 0.33 Known Q (cfs) = 3.37 Top Width (ft) = 5.98 EGL (ft) = 0.45 (Sta, El, n){Ste, El, n)... IAm.ifl5mH3.W Nam,AMfiHam,N1m,AAeHa.M.K.m. AAi6H,8CA NO.m.0A35j,`X.m Nam.0.IX51 Elev (ft) Section Depth (ft) 468.W 465W 465.W ae4s0 484.W 463.W 462M Channel Report eprm.swrrr um ba,oernaurwoaca megarmrk� rr.1.,,ur,]mm Station 1+38 02 userdetined Highlighted Invert Elev (ft) = 461.00 Depth (ft) = 0.31 Slope (%) = 12.50 Q (pis) = 3.370 N-Value = 0.035 Am(sgft) = 0.09 Velocity (Ns) = 4.85 Calculations Wetted Perim (fl) = 3.58 Compute by: Known Q Crit Depth, Yc (ft) = 0.43 Known Q (cfs) = 3.37 Top Width (ft) = 3.48 EGL (ft) = 0.68 (Sta, El, n){Ste, El, n)... 1 om, NamHa.o0. Nx.m, AMsµAm, Oaf m, AmsHl om. N,.m. AossHu.m, Nzm, a.MSH+am, Nam, Aoasi Elev (ft) Section Depth (ft) 464,00 463 W 46zs0 462.W 461.W 4e1.W 45050 -2 0 2 . 8 6 +0 12 ib +6 Ste (ft) Channel Report 3.00 2.50 2.00 1.50 1.00 0.60 0.00 4m rryeenm.�iwsum,tre,maemaiutwoeca �a M.ubarkt,v. Trray.ur,]mm Station 1+74 02 Userdefined Highlighted Invert Elev (ft) = 459.00 Depth (ft) = 0.37 Slope (%) = 3.85 Q (pis) = 3.370 N-Value = 0.035 Am(sgft) = 1.19 Velocity (Ns) = 2.83 Calculations Wetted Perim (fl) = 5.55 Compute by: Known Q Crit Depth, Yc (ft) = 0.39 Known Q (cfs) = 3.37 Top Width (ft) = 5.44 EGL (ft) = 0.49 (Sta, El, n){8ta, El, n)... 1Am,N1mH3.a0. NAm, Ao OKIam, 4am, AM5H+4m. 4N.m,ppea pam,Nam, o.MSH+cm,.m,Aout Elev (ft) Section Depth (ft) 4W.W 461M 461.W ,W.W .W.W 4W W 489.00 458m NINE NINE NINE ----- ----------- ----------- ----------- ----- ----------- ----- ----------- ----------- ----------- -��--------4- ------------MENNEN ------------- ------------- ------------ ------------ ------------- ------------- NINE --- ----------- ----------- ----------- ----------- ----------- Channel Report tryerM.Ewrsfiaaiamb4MEae®aiuCwoaca Oa M.Arark]c Er tl 'ur,7mm Station 0+35 010 userde5nad Highlighted Invert Elev (ft) = 464.00 Depth (ft) = 0.54 Slope (%) = 2.20 Q (cis) = 7.880 N-Value = 0.035 Am(sgft) = 2.87 Velocity (ftts) = 2.74 Calculations Wetted Perim (fl) = 9.71 Compute by: Known Q Crit Depth, Yc (ft) = 0.52 Krwwn Q (cfs) = 7.88 Top Width (ft) = 9.64 EGL (fo = 0.66 (Sta, El, n){Sta, El, n)... 1 Am. iflSmH).m, N4 m. AmSHAm. NOD]. AA'aHl ]m. NS.m. A015) Elev (11) SectionDepth (ft) 466.0) 4fi5W 4e6.00 '181M 454.W 4WS0 a 0 z 4 6 e +0 12 +4 +6 is 20 Ste (ft) Channel Report 2W 1.50 1.00 0.50 0.00 as0 IkEnMV F;ma64iwnb.4MEa9@RNOCiaa G.i O6EY.4gtlrklc TuatlaY.W„]mm Station 0+90 010 userde5nad Highlighted Invert Elev (ft) = 463.00 Depth (ft) = 0.64 Slope (%) = 2.10 Q (cfs) = 7.880 N-Value = 0.035 Am(sgft) = 2.88 Velocity (Ots) = 2.94 Calculations Wetted Perim (fl) = 8.06 Compute by: Known Q Crit Depth, Yc (ft) = 0.51 Known Q (cfs) = 7.W Top Width (ft) = 7.94 EGL (ft) = 0.67Ste, (tits, Eli n){El, n)... 1 Am. ifl5.Y0H3.m, NAm. AMfiHam, Ntm. AA'aHB.m. K.AT AAi6H,8 CA NO.m.0A35j,`X.m NE m.0.051 Elev (ft) SwumDepth (ft) 065W 465.W 4a4s0 08f.W 463.W 462M Channel Report M,EnMn E¢ar Etlaiwv,bNMMtl41RnbCTAe G.i O6Ey.4gtlrk uv. Tuatlay,W„]mm Station 1+38 010 userde5nad Highlighted Invert Elev (ft) = 461.00 Depth (ft) = 0.46 Slope(%) = 12.50 Q(pis) = TWO N-Value = 0.035 Am(agft) = 1.31 Velocity (Ns) = 6.03 Calculations Wetted Perim (ft) = 4S3 Camputa by: Known Q Crit Depth, Y. (ft) = 0.64 Known Q ids) r 7.88 Top Width (ft) = 4.68 EGL (ft) = 1.03 (Ste, El, n){Ste, El, n)... (100,ammH3.m, Nxa), AmsµAm, N, m,.a om. Nt.m AA3fiH,2m.Nzm,p.X1am, Nam,pam Elev (ft) Section Depth (ft) 464.00 463 W 162M 462.00 461.W 461.00 46050 4 0 2 . 8 a 10 12 ib 16 Sta (ft) Channel Report 3.00 2.50 2.00 1.50 1.00 0.50 0.00 -0SO tryeenm.[wrramaonbe,maemnmxwoeca �a M.wmrkt,v. Trray.ur,]mm Station 1+74 Q10 usarde5nad Highlighted Invert Elev (ft) = 459.00 Depth (ft) = 0.53 Slope (%) = 3.85 Q (pis) = 7.880 N-Value = 0.035 Am(sgft) = 2.22 Velocity (Ns) = 3.56 Calculations Wetted Perim (fl) = 7.51 Compute by: Known Q Crit Depth, VC (ft) = 0.57 Known Q (cfs) = 7.88 Top Width (ft) = 7.36 EGL (fo = 0.73 (Ste, El, n){Ste, El, n)... 10m, 461mH'.KMc.M, A sa(lTa ,4a.ao, AM KIM4N.m. O.Airi NAM, o.msHlam, 44HM. 0cm Elev (ft) swum Dept' (ft) 461M 461.W '161 4110.01) 4W.W 489.00 458m ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- -��--------4- ------------- ------------- ------------- ------------ ------------ ------------- MENNEN MENNEN ------------- NINE ----- ----------- ----------- ----------- ----------- Waterstreetstudio landscape a architecture I civil engineer ing 418 E Main Street 434.295.8177 Charlottesville, VA 22902 AvTH OF LF? C� Alan G. Franklin 94 Lic. No. 35326 I C N A L professional seal project manager Eugene Ryang project team Mark Lieberth OAKENCROFT FARM WINERY project name client OAKENCROFT HOLDINGS LLC project address 410 EAST WATER STREET #500 C-HARLOTTESVILLE, VA 22902 project number 90% CONSTRUCTION DRAWINGS project phase MAY 15, 2020 issue date revisions STORMWATER CALCULATIONS sheet title SW5 sheet number J-- — — —_ \ \ \ \ \ \ — — — — — \ \ \ \ r ', ' ' '. .;• .x Y u' r r rr s"-„-.•t yc / ! .-f—,'�;'?+ -."--c / / � ��— — __ \\ \ \ \\ \ ( r ,L i ro::,� ! ) ,.'..r f / G. r l ) '/, 'sw,. -'-�I-s N-S+•,.,:-,—�F1 � \ / / / � — — — _ — — — \ \ \ \ \ \ \ \ \ �' , ',:".. / .,!` .�.. : x,' �. 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IN AT ILR 1 _ p / 42. a0 ° nssl V a]d.b in,, 21 I wx T — \\ \\ //— l 11 — — — \ / 43,560 SF OF WPO / I l l i \ \ \ \ \ — � — — — — — — — — — — — BL-FERDISTURBANCE EX. POND / WPO/STREAM BUFFER MITIGATION CALCS Buffer Disturbance = 43,560 sf (1 Acre) Mitigation Area = 43,560 sf x 2 = 87,120 sf (2 Acre) STREAM BUFFER RESTORATION/ESTABLISHMENT AREA I/l i I • 750 CONTAINER GROWN SEEDLING TUBES 8' X 81 / / 1 1 I I I !' �: Greater than 'a acre buffer disturbance: ON CENTER / I I' Use Restoration/Establishment Table B -100 Option C: ?�o I I I 11 Enter into a five year maintenance and performance guarantee for 100% of buffer planted with containergrown seedling tubes at 700 per acre approximately 8' x 8' on center with minimal survival g g p pP Y P� required after two growing seasons: 490 plants. q �WPO 1 v� WPO-50--j� J I I WPO-100 —fig q"06 �g V#aIi,5 III I. 2 Acres x 700 = 1,400 Container Grown Seedling Tubes @ 8' x 8' O.C.* A % % / / i WPo 1� O--10 WPo_ioo� / / I I I *Mix of native species required for seedlings to include \NP100 American Basswood ��� - ---- I I I 100AmericanPersimmon �� �� �� -o�� /� � -,I _ _ III 100Black Gum �� ��� +P � +� �-0�� �� __-',, -f 5TR-E l/ I 100 Dogwood �W +oso� - -' -� - - - I EX. POND 100 Musclewood SPILLWAY 100 Paw 100 Redbud - � ��� � I III I III 100RverrBirch 100 Sassafras �' 100 Shagbark Hickory l 100SwampWhiteOak — ---- -- — Sycamore 100White Oak 3 —_----- ---- / 100 Witch Hazel / // 50 50 WPO \\ 11 �� ��� ��� WPO /50 100 �\ / /Wp0 WPO-50 1 \ \ \ / Q 31 / I \ �WPO-100NP0100 STREAM BUFFE, RESTORATION/ESTABLISHMENT AREA o \ \ IR 650NTAGROON 8 SEEDLING TUBES X 3 / \\\\ \ _ zi S \\\\\\ g -77 — — 0 20' 40' 80' Q o / U 0 STREAM BUFFER MITIGATION PLAN waterstreetstudio landscape architecture I civil engineering 418 E Main Street 434.295.8177 Charlottesville, VA 22902 , ,>,Tx of vr�c r VO r9 , Alan G. Franklin P Lie. No. 35326 w e 4 1 ON A L professional seal project manager Eugene Ryang project team Mark Lieberth OAKENCROFT FARM WINERY project name client OAKENCROFT HOLDINGS LLC project address 410 EAST WATER STREET #500 CHARLOTTESVILLE, VA 22902 project number 90%CONSTRUCTION DRAWINGS project phase MAY 15, 2020 issue date revisions STREAM BUFFER MITIGATION PLAN sheet title SW5 sheet number