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HomeMy WebLinkAboutWPO201900042 Plan - VSMP 2020-07-23GENERAL NOTES OWNER: STANLEY MARTIN COMPANIES LLC 11710 PLAZA AMERICA DRIVE, SUITE 1100 RESTON, VA 20190 DEVELOPER: STANLEY MARTIN HOMES 404 PEOPLE PLACE, SUITE 303 CHARLOTTESVILLE, VA 22911 ENGINEER: COLLINS ENGINEERING 200 GARRETT ST SUITE K CHARLOTTESVILLE, VA 22902 (434)293-3719 TAX MAP NO.: 090000-00-00-02800 (DB 4571, PG421) 1776 SCOTTSVILLE ROAD CHARLOTTESVILLE, VA 22903 TOTAL AREA: 13.00 ACRES ZONING. NMD - NEIGHBORHOOD MODEL DISTRICT WITH PROFFERS AND CODE OF DEVELOPMENT (ZMA 2013-00017 WITH ENTRANCE CORRIDOR OVERLAY (EC) & STEEP SLOPE OVERLAY) CODE OF DEVELOPMENT - LAST REVISION DATE: NOVEMBER 8, 2016. VARIA77ON #2 TO THE CODE OF DEVELOPMENT AND APPLICA7ON PLAN IS CURRENTLY UNDER REVIEW. PROPOSED USE: RESIDENTIAL DEVELOPMENT - TOTAL 100 RESIDEN7AL LOTS 100 SINGLE FAMILY ATTACHED RESIDENTIAL UNITS (TH AND VILLA UNITS) FUTURE COMMERCIAL BUILDING (NOT PART OF THIS PLAN) DENSITY: ALLOWABLE DENSITY PER ZMA APPLICATION PLAN: TOTAL ALLOWABLE MINIMUM RESIDENTAL DWELLING UNITS: 80 UNITS TOTAL ALLOWABLE MAXIMUM RESIDENTIAL DWELLING UNITS: 100 UNITS MINIMUM NON-RESIDENTIAL GROSS FLOOR AREA = 10,000 SF MAXIMUM NON-RESIDENTIAL GROSS FLOOR AREA = 60,000 SF OPEN SPACE: PARKS: MINIMUM AREA REQUIRED FOR PARKS WITHIN DEVELOPMENT = 3.28 ACRES (25.2%) PARKS AND AC77VE/PASSIVE RECREATIONAL AREAS PROVDED: OPEN SPACE A (BUFFER): 0.06 ACRES OPEN SPACE B (BUFFER): 0.09 ACRES OPEN SPACE C (BUFFER/POCKET PARK #4): 0.54 ACRES OPEN SPACE D (POCKET PARK #3): 0.19 ACRES OPEN SPACE E (BUFFER): 0.02 ACRES OPEN SPACE F (POCKET PARK #1): 0.63 ACRES OPEN SPACE G (BUFFER): 0.10 ACRES OPEN SPACE H (POCKET PARK #2): 0.83 ACRES OPEN SPACE I (BUFFER): 0.21 ACRES OPEN SPACE J (COMMUNITY PARK): 1.00 ACRES TOTAL PARK AREA PROVIDED: 3.67 ACRES (28.27 OPEN SPACE) OPEN SPACE TO BE OWNED AND MAINTAINED BY THE HOMEOWNERS ASSOCIATION. ALL OPEN SPACE SHALL BE RESERVED IN A DEED FOR THE COMMON USE OF LOT OWNERS IN THE SUBDIVISION AND NO OPEN SPACE IS PROPOSED TO BE DEDICATED PUBLIC SPACE. BUILDING RESIDEN7AL HEIGHTS(MAX.): BLOCK A: MAXIMUM HEIGHT 50 FEET (1-4 STORIES) BLOCK B: MAXIMUM HEIGHT 50 FEET (1-4 STORIES) BLOCK C: MAXIMUM HEIGHT 40 FEET (1-3 STORIES) BLOCK D: MAXIMUM HEIGHT 40 FEET (1-3 STORIES) BLOCK E. MAXIMUM HEIGHT 50 FEET (1-4 STORIES) BLOCK F.• MAXIMUM HEIGHT 40 FEET (1-3 STORIES) BLOCK G: MAXIMUM HEIGHT 40 FEET (1-3 STORIES) SETBACKS: RESIDENTIAL: FRONT.- 5' MINIMUM (18' MINIMUM FROM R/W OR EDGE OF SIDEWALK TO GARAGE) SIDE. 5' SETBACK (MIN. 10' BUILDING SEPARATION) & 8' CORNER LOT SETBACK REAR: 10' MINIMUM NON-RESIDENTIAL: FRONT: 5' MINIMUM (25' FRONT SETBACK FROM ROUTE 20) SIDE. 5' MINIMUM & 8' CORNER LOT SETBACK REAR: 15' MINIMUM (25' REAR SETBACK FROM ROUTE 20) SUBDIVISION STREETS: CURB & GUTTER WATERSHED: RIVANNA RIVER DRAINAGE DISTRICT - NOTE: THIS SITE IS NOT LOCATED WITHIN A PUBLIC WATER SUPPLY RESERVOIR WATERSHED. AGRICULTURAL/ FORESTAL DISTRICT. • NONE TOPO & SURVEY.- THE BOUNDARY LINE AND PARCEL INFORMATION WAS PROVIDED BY ROUDABUSH, GALE AND ASSOCIATES IN MAY OF 2018. THE TOPOGRAPHY INFORMATION IS BASED ON FIELD SURVEY COLLECTED IN JUNE OF 2012 BY LINCOLN SURVEYING THE PROPERTY IS CURRENTLY BEING SURVEYED FOR UPDATED TOPOGRAPHY FOR THE FINAL SITE PLAN. INFORMATION HAS BEEN FIELD VERIFIED BY COLLINS ENGINEERING IN JANUARY OF 2020. DATUM: NAD 83 EXISTING VEGETATION: PAR77ALLY WOODED WITH (1) RESIDENCE ON THE PROPERTY AND EXIS77NG GRAVEL DRIVEWAYS LIGHTING. NO STREET LIGH77NG IS PROPOSED WITH THE DEVELOPMENT PARKING: PARKING REQUIRED: 2 SPACES PER UNIT + (1 SPACE PER 4 SFA UNITS) 100 SFA UNITS = 200 OFF-STREET PARKING SPACES 25 ON-STREET/SURFACE PARKING SPACES TOTAL PARKING SPACES REQUIRED: 225 SPACES PARKING SPACES PROVIDED (MINIMUM (1) DRIVEWAY SPACE + (1) GARAGE SPACE): OFF-STREET PARKING SPACES (2) SPACES PER LOT 200 SPACES ON-STREET/SURFACE PARKING SPACES PROVIDED FOR GUEST PARKING = 33 SPACES + (9) ADDIT70NAL SPACES FOR THE FUTURE COMMERCIAL AREA. TOTAL PARKING SPACES PROVIDED: 233 TOTAL PARKING SPACES FOR RESIDENTIAL UNITS PHASING: THIS PROPERTY SHALL BE DEVELOPED IN 2 PHASES. THE RESIDENTIAL PROPERTY SHALL BE DEVELOPED IN PHASE 1, AND THE COMMERCIAL DEVELOPMENT SHALL BE DEVELOPED IN PHASE 2. BUILDING SITES: PARCELS 1-100 EACH CONTAIN A BUILDING SITE THAT COMPLIES WITH THE REQUIREMENTS OF SECTION 4.2.1 OF THE ALBEMARLE COUNTY ZONING ORDINANCE. BURIAL SITES: NO KNOWN CEMETERIES EXISTS ON THE PROPERTY. STREAM BUFFERS: THERE ARE NO WPO 100' STREAM BUFFERS ON THIS PROPERTY. ANY STREAM BUFFER SHALL BE MANAGED IN ACCORDANCE WITH THE ALBEMARLE COUNTY WATER PROTECTION ORDINANCE. WETLANDS/STREAMS. THERE ARE NO WETLANDS OR STREAMS LOCATED ON THE PROPERTY. FLODDPLAIN: THE PROPERTY LIES IN AN AREA DESIGNATED AS ZONE X AS SHOWN ON THE FLOOD INSURANCE RATE MAP COMMUNITY PANEL NO.' 51003C0407D, DATED FEBRUARY 4, 2005. CRITICAL SLOPES: THERE ARE NO PRESERVED SLOPES ON THE PROPERTY. MANAGED SLOPES ARE SHOWN ON THE PROPERTY BASED ON THE ALBEMARLE COUNTY GIS MAPPING FOR THIS PARCEL. THESE MANAGED SLOPES ARE SHOWN ON SHEET 2 AND SHEET 4 AND SHALL BE MANAGED IN ACCORDANCE WITH THE ALBEMARLE COUNTY ZONING REQUIREMENTS. RETAINING WALLS: RETAINING WALLS ARE PROPOSED WITH THE DEVELOPMENT AS SHOWN ON THE SITE PLAN. LANDSCAPING: STREET TREES ARE PROPOSED ALONG THE NEIGHBORHOOD STREETS IN ACCORDANCE WITH ALBEMARLE COUNTY LANDSCAPING REQUIREMENTS WITHIN SECT70N 32.7.9 OF THE COUNTY CODE & THE APPROVED CODE OF DEVELOPMENT & APPLICA7ON PLAN. IN ADDITIONAL, LANDSCAPING BUFFERS SHALL BE PROVIDED ALONG THE BOUNDARY OF THE PROPERTY IN ACCORDANCE WITH THE APPROVED APPLICATION PLAN. SEE THIS SHEET AND SHEET 3 FOR ADDITIONAL INFORMAT70N ON THE REQUIRED AND PROPOSED LANDSCAPING BUFFERS. TRASH: EACH LOT SHALL HAVE AN INDIVIDUAL TRASH CONTAINER TO BE STORED WITHIN ME GARAGE. SPRING HILL VILLAGE VSMP AMENDMENT #1 TO WP0201900042 SCOTTSVILLE DISTRICT - ALBEMARLE COUNTY, VIRGINIA 0o LI I i i i i i 90.26 N LEVINEANO DD R 21P IA BEBgDg 5W B. 16W P� 56B.590 FEAT 0 D.B.4254, PG.ne ARDE OFNORI� \ i i �P� �S I �• •i o i w'wosEAPEO / 5UFFERAREA /% 0r BLOCK G�\,� 147ACRES POCKET PARK AMENITY SPACECE I I OPEN SPACEH TMP 90-27B STE I EN W. AND BETTY C. JOANSON D.B. 1M P. 715 B D. 62B P. B1B PLAT TMP W27 LOI EB SCHICKEDI O.B.1 MP. AID .B. III P. 616 PIAT .B. 530 P. 166 PI ) C TMP 90-33A iAFMCHRREdUAKT: ERNETI E DMIIFIS, HGWMD GC4REYETALM STEER DB. z165, Pfi.7EB \ / BUFFER AREA BUFFER AREA 'i .' OPEN SPACE 0S4ACCECi i 2, • SS 2 BLOCK E m, 1 ACf.6 � ` wr If Ll 0 rcSPA, T'Tr IF o �/,• BLOCK n 339 ACR ES/ OP@NSPACED L jj(0.19 ACRES) 2 TEL 'AMENTY BK-SPACE o ..•i / I I 1 �' AMENITY SPACE f �\\ L ART 1 w' 3 ffT OPEN SPACE IflT (021ACRES) J LOT r \ IL -� BLOCK F 1 0]S ACRES I I, 10, \ 1 I 1 a ��� 1 lC F w7 f I ) wr L _i \/�ELF UP, ' 04 f \ '9 \ J i 65 rON 1 �.. wr _SIT �. ti wT BLOCKD - 6, S4.16 ACRE 5 O I IMF r S I OPEN SPACEI e� 1DT Iln (S.UD ACRES) I -1_ CUMMUNNV PARK ( •� i RI73 AMENITY SPACEN i wr ,D I JI j _ 4TALE ... ... �•A __ _ - -'' JI - J wr wT LIST LOT a wr w+ wr 90 91 92 93 ER 5 98 9S RE 1. ROCKET PARK p1 OPEN SPACE I AMENITYSPACE -(DER ACRES) -- -- _-_-- 0_S-RT-20-�'� SCOTTSVILLE ROAD STORMWATER MANAGEMENT AN UNDERGROUND DETENTION FACILITY IS PROPOSED WITH THE DEVELOPMENT TO ACCOMMODATE THE WATER QUAN77TY REQUIREMENTS FOR THE PROJECT. WATER QUALITY SHALL ACCOMPLISHED WITH THE PURCHASE OF NUTRIENT CREDITS. ADDITIONAL MEASURES MAY BE INSTALLED AT THE OUTFALL OF THE STORMWATER MANAGEMENT FACILITIES TO DISSIPATE THE RUN-OFF FROM THE FACILITY. RECREATION AREA: SEE OPEN SPACE INFORMATION ABOVE. IMPERVIOUS AREAS: ROADS 2.03 cc. SIDEWALKS 0.86 cc. BUILDINGS 2.66 cc. DRIVEWAYS 0.15 cc. TOTAL 6.30 AC (509 IMPERVIOUS AREA) PROPOSED USES: LOTS 5.40 cc. -41.5% ROADS (R/W): J.95 cc. -30.3' OPEN SPACE.• 367 oc.-28.29 OFFSITE EASEMENT. • ALL PROPOSED GRADING SHALL BE CONSTRUCTED ON SITE OR WITHIN EXISTING RIGHT-OF-WAY. NO OFFSITE EASEMENTS ARE PROPOSED WI7H THIS DEVELOPMENT AFFORDABLE HOUSING: AFFORDABLE HOUSING SHALL BE PROVIDED IN ACCORDANCE w/ THE PROFFERS. THE SPECIFIC AFFORDABLE UNITS HAVE BEEN IDENTIFIED w/ THIS FINAL SITE PLAN. BLOCK A 0 56 ACRES 1 / �� I ° ; I I TN­ r. TMP 90-35 DUANE E. AND BOWEN4 M. SNOW D.B.702 P.792 D.B. B57 P. 23C PLAT NOTE: A VDOT ACCESS MANAGEMENT EXCEPTION HAS BEEN APPROVED FOR THE ROUTE 20 ENTRANCE WITH ITS PROXIMITY TO THE COMMERCIAL ENTRANCE ON THE ADJACENT PROPERTY. SITE VICINITY MAP SCALE: 1" = 2000' Sheet List Table Sheet Number Sheet Title 1 COVER SHEET 3 EROSION & SEDIMENT CONTROL NOTES & NARRATIVE 6 PHASE II EROSION & SEDIMENT CONTROL PLAN 7 PHASE III EROSION & SEDIMENT CONTROL PLAN 8 EROSION & SEDIMENT CONTROL PLAN DETAILS & CALCS A$ 12 DRY SWALE DETAILS & PROFILES 14 OVERLOT GRADING PLAN 15 OVERLOT GRADING PLAN i6 8 TOTAL NUMBER OF SHEETS LEGEND ROADS O EXISTING CULVERT EARTH DITCH O CULVERT DRIVEWAY CULVERT 0 DROP INLET & S1RUC7URE NO. BENCH MARK CURB CLEARING LIMITS a CURB &GUTTER - _ _ _ = 0 PROPOSED PAVEMENT T EC-3A DITCH 100 EXIS77NG CONTOUR DEPTH OF EC-3A DITCH 200 PROPOSED CONTOUR 240.55 VDOT STANDARD STOP SIGN EC-2 DITCH PROPOSED SPOT ELEVA77ON B" DEPTH OF EC-2 DITCH APPROVED by the Albemarle County Community Development Department Date 07/23/2020 File WP0201900042 - amendment 1 APPROVALS DATE DEPARTMENT OF COMMUNITY DEVEI.,OPMENT PLANN T-R/TONING ENGINEER INSPECTIONS ARB DEPARTMENT OF FIRE RESCUE ALBEMAR.I:E COUNTY SERVICE AUTHORITY VIRGINIA DEPARMENT OF TRANSPORTATION HEALTH DEPARTMENT COLLINS ENGINEERING IS NOT RESPONSIBLE OR LIABLE FOR ANY CONSTRUCTION OR DAMAGES TO THIS PROJECT PRIOR TO ALL FINAL PLAN APPROVALS. SCOTTTR. Cb- INS'ZI No. 35791 1, 07/23/20 �) AO�SInrTAT. In z w 0 z M 0 U CD J z Z 0F Ln w Q w F cw» Oa Q m w U Ln w p wLU Q L w M V] o- F a z ¢ 0- z rn `~ / N .. W LU a w/ I- I.L z IN, M Ln LU L r p Ln n PJ hYl co co � N O 00 N N > Ul Z LU U) O ID O O N AN U w w w � ILK) JOB NO. 112066 1 EROSION & SEDIMENT CONTROL MEASURES: STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE IN ACCORDANCE WITH THE WRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. STRUCTURAL PRACTICES USED IN THIS SECTION CONSIST OF THE FOLLOWING: 3.01 SAFETY FENCE.• A PROTEC7VE BARRIER INSTALLED TO PREVENT ACCESS TO AN EROSION CONTROL MEASURE. TO PROHIBIT THE UNDESIRABLE USE OF AN EROSION CONTROL MEASURE BY 774E PUBLIC. APPLICABLE TO ANY CONTROL MEASURE OR SERIES OF MEASURES WHICH CAN BE CONSIDERED UNSAFE BY VIRTUE OF POTENTIAL ACCESS BY THE PUBLIC. 3.02 CONSTRUCTION ENTRANCE: A STABILIZED PAVED CONSTRUCTION ENTRANCE KI774 A WASH RACK LOCATED AT POINTS OF VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE. TO REDUCE 774E AMOUNT OF MUD TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON 774E PLANS TO REDUCE 774E AMOUNT SEDIMENT TRANSPORTED ONTO 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 CONSTRUCTION OPERATIONS IN ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE, AND TO DECREASE 774E VELOCITY OF SHEET FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS. 774E 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 INSPECTED IMMEDIATELY AFTER EACH RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE WRGINIA EROSION & SEDIMENT CONTROL HANDBOOK (VESCH). 3.07 STORM DRAIN INLET PROTECTION: A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM DRAIN DROP INLET OR CURB INLET TO PREVENT SEDIMENT FROM ENTERING STORM DRAINAGE SYSTEMS PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA. INLET PROTECTION APPLIES WHERE STORM DRAIN INLETS ARE TO BE MADE OPERATIONAL BEFORE PERMANENT STABILIZATION OF 774E CORRESPONDING DISTURBED DRAINAGE AREA. 3.08 CULVERT INLET PROTECTION. A SEDIMENT FILTER OR AN EXCAVATED IMPOUNDING AREA AROUND A STORM CULVERT. TO PREVENT SEDIMENT FROM ENTERING STORM CULVERTS PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA. INLET PROTECTION APPLIES WHERE STORM CULVERTS ARE EXISTING OR TO BE MADE OPERATIONAL BEFORE PERMANENT STABILIZATION OF THE CORRESPONDING DRAINAGE 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 UNPR07ECTED DISTURBED AREAS AND SLOPES TO A STABILIZED OUTLET TO DIVERT SEDIMENT -LADEN RUNOFF FROM A DISTURBED AREA TO A SEDIMENT -TRAPPING FACILITY SUCH AS A SEDIMENT TRAP OR SEDIMENT BASIN. USE WHEREVER STORMWATER RUNOFF MUST BE TEMPORARILY DIVERTED TO PR07ECT DISTURBED AREAS AND SLOPES OR RETAIN SEDIMENT ON S17F DURING CONSTRUCTION. THESE STRUCTURES GENERALLY HAVE A LIFE EXPECTANCY OF 18 MON774S OR LESS, WHICH CAN BE PROLONGED W1774 PROPER MAINTENANCE. 3.12 DIVERSION: A CHANNEL CONSTRUCTED ACROSS A SLOPE WITH A SUPPORTING EAR774EN RIDGE ON 774E LOWER SIDE. TO REDUCE SLOPE LENGTH AND TO INTERCEPT AND DIVERT STORMWATER RUNOFF TO STABILIZED OUTLETS AT NON -EROSIVE VELOCITIES. APPLIES WHERE RUNOFF FROM AREAS OF HIGHER ELEVATION MAY DAMAGE PROPERTY, CAUSE EROSION, OR INTERFERE WITH THE ESTABLISHMENT OF VEGETATION ON LOWER AREAS, INHERE SURFACE AND/OR SHALLOW SUBSURFACE FLOW IS DAMAGING SLOPING UPLAND, AND WHERE THE SLOPE LENG774 NEEDS TO BE REDUCED TO MINIMIZE SOIL LOSS. 3.13 TEMPORARY SEDIMENT TRAP. - A TEMPORARY PONDING AREA FORMED BY CONSTRUC7NG AN EARTHEN EMBANKMENT WITH A STONE OUTLET. TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL DISTURBED AREAS LONG ENOUGH TO ALLOW THE MAJORITY OF 774E SEDIMENT TO SETTLE OUT. USE BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS LESS THAN 3 ACRES, WHERE THE SEDIMENT TRAP WILL BE USED NO LONGER THAN 18 MONTHS, AND IT MAY BE CONSTRUCTED EITHER INDEPENDENTLY OR IN CONJUNCTION WITH A TEMPORARY DIVERSION DIKE. 3.14 TEMPORARY SEDIMENT BASIN. A TEMPORARY BARRIER OR DAM WITH A CONTROLLED STORMWATER RELEASE STRUCTURE FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAK TO DETAIL SEDIMENT -LADEN RUNOFF FROM DISTURBED AREAS IN "WET" AND `DRY" STORAGE LONG ENOUGH FOR 774E MAJORITY OF THE SEDIMENT TO SETTLE OUT. APPLIES BELOW DISTURBED AREAS WHERE THE TOTAL CONTRIBUTING DRAINAGE AREA IS EQUAL TO OR GREATER THAN THREE ACRES. THERE MUST BE SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY FOR THE CONSTRUCTION OF A TEMPORARY IMPOUNDMENT. 3.18 OUTLET PROTECTION: STRUCTURALLY LINED APRONS OR 07HER ACCEPTABLE ENERGY DISSIPATING DEVICES PLACED AT THE OUTLETS OF PIPES OR PAVED CHANNEL SECTIONS TO PREVENT SCOUR AT STORMWATER OUTLETS, TO PR07ECT THE OUTLET STRUCTURE, AND TO MINIMIZE THE P07EN77AL FOR DOWNSTREAM EROSION BY REDUCING THE VELOCITY AND ENERGY OF CONCENTRATED 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 WITH 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 INFILTRATION, AND TO STABILIZE SLOPES WITH SEEPAGE PROBLEMS, AND/OR NON -COHESIVE SOILS. USE WHEREVER SOIL AND WATER INTERFACE AND THE SOIL CONDITIONS, WATER TURBULENCE AND VELOCITY, EXPECTED VEGETA7VE COVER, ETC., ARE SUCH THAT THE SOIL MAY ERODE UNDER THE DESIGN FLOW CONDITIONS. 3.20 ROCK CHECK DAMS: SMALL TEMPORARY STONE DAMS CONSTRUCTED ACROSS A SWALE OR DRAINAGE DITCH. TO REDUCE THE VELOCITY OF CONCENTRATED STORMWATER 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 STORMWATER RUNOFF. THIS PRACTICE, U77LIZING A COMBINATION OF STONE SIZES, IS LIMITED TO USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS 3.31 TEMPORARY SEEDING: THE ESTABLISHMENT OF A TEMPORARY VEGETA7VE COVER ON DIS77JRBED AREAS BY SEEDING WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND SEDIMENTATION 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 PROTECTION TO BARE SOILS EXPOSED DURING CONSTRUCTION UNTIL PERMANENT VEGETATION OR 07HER EROSION CONTROL MEASURES CAN BE ESTABLISHED. 3.32 PERMANENT STABILIZATION. THE ESTABLISHMENT OF PERENNIAL VEGETA7VE COVER ON DISTURBED AREAS BY PLANTING SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO PERMANENTLY STABILIZE DIS77JRBED AREAS /N A MANNER THAT /S ECONOMICAL, ADAPTABLE TO SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF CONSTRUCTION ACTIVITIES ALL AREAS WILL RECEIVE A PERMANENT VEGETA7VE COVER. 3.35 MULCHING, APPLICA7ON OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL SURFACE. TO PREVENT EROSION BY PR07EC77NG THE SOIL SURFACE FROM RAINDROP IMPACT AND REDUCING THE VELOCITY OF OVERLAND FLOW. TO FOSTER THE GROWTH OF VEGETATION BY INCREASING AVAILABLE MOISTURE AND PROVIDING INSULA77ON AGAINST EXTREME HEAT AND COLD. AREAS WHICH HAVE BEEN PERMANENTLY SEEDED SHOULD BE MULCHED IMMEDIATELY FOLLOWING SEEDING. AREAS WHICH CANNOT BE SEEDED BECAUSE OF THE SEASON SHOULD BE MULCHED USING ORGANIC MULCH. MULCH MAY BE USED TOGETHER K17H PLAN77NGS OF TREES, SHRUBS, OR CERTAIN GROUND COVERS WHICH DO NOT PROVIDE ADEQUATE SOIL STABILIZATION BY THEMSELVES, CAN BE USED IN CON✓UNC77ON KI7H TEMPORARY SEEDING. 3.37 TREES. SHRUBS VINES & GROUND COVERS: STABILIZING DISTURBED AREAS BY ESTABLISHING VEGETA7VE COVER WITH TREES SHRUBS VINES OR GROUND COVERS. TO AID IN STABILIZING SOIL IN AREAS WHERE VEGETATION OVER THAN TURF IS PREFERRED, TO PROVIDE FOOD AND SHELTER FOR WILDLIFE WHERE WILDLIFE HABITAT IS DESIRABLE. APPLIES IN AREAS WHERE 77JRF ESTABLISHMENT IS DIFFICULT, ON STEEP OR ROCKY SLOPES WHERE MOWING IS NOT FEASIBLE, WHERE ORNAMENTALS ARE DESIRABLE FOR LANDSCAPING PURPOSES, AND WHERE WOODY PLANTS ARE DESIRABLE FOR SOIL CONSERVATION, OR TO ESTABLISH WILDLIFE HABITAT. 3.36 BLANKET MATTING: INSTALLA77ON OF A PROTECTIVE COVERING OR A SOIL STABILIZATION MAT ON A PREPARED PLAN77NG AREA OF A STEEP SLOPE OR CHANNEL TO AID IN THE CONTROLLING EROSION ON CRITICAL AREAS. 3.38 TREE PRESERVATION AND PROTECTION. PROTECTION OF DESIRABLE TREES FROM MECHANICAL OR OTHER INJURY DURING LAND DISTURBING AND CONSTRUCTION ACTIVITY. TO ENSURE THE SURVIVAL OF DESIRABLE TREES WHERE THEY WILL BE EFFEC7VE FOR EROSION AND SEDIMENT CONTROL, WATERSHED PROTECTION, LANDSCAPE BEAUTIFICATION, DUST AND POLLUTION CONTROL, NOISE REDUCTION, SHADE AND 07HER ENVIRONMENTAL BENEFITS WHILE THE LAND IS BEING CONVERTED FROM FOREST TO URBAN -TYPE USES. APPLIES IN TREE -INHABITED AREAS SUBJECT TO LAND DISTURBING ACTIVITIES 3.39 DUST CONTROL: REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND CONSTRUCTION ACTIVITIES. 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 CONTROL 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 LEGEND SA � SAFETY FENCE * 3.01 CE CONSTRUCTION ENTRANCE 3.02 CRS CONSTRUCTION ROAD STABILIZATION 3.03 SF -X-X-X- SIL T FENCE 3.05 a INLET PROTECTION 3.07 qP U CULVERT INLET PR07EC77ON 3.08 DD � TEMPORARY DIVERSION DIKE 3.09 ®O TEMPORARY RIGHT-OF-WAY 3.11 ST O DIVERSION TEMPORARY SEDIMENT TRAP 3.13 SB O SEDIMENT BASIN 3.14 OP PIPE OUTLET PR07EC77ON 3.18 CD CHECK DAM 3.20 O--(3- �' - TEMPORARY SEEDING 3.31 PS--a-PERMANENT SEEDING 3.32 MU MU MULCHING 3.35 �BM SOIL STABILIZATION BLANKET 3.36 O„ o TREE PROTECTION FENCING 3.38 DC --&- DC DUST CONTROL 3.39 * WRGINIA EROSION & SEDIMENT CONTROL HANDBOOK SPECIFICATION NUMBER 1992 TABLE 3.32-D SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA Total Lbs. Per Acre Minimum Care Lawn - Commercial or Residential 175-200lbs. - Kentucky 31 or Turf -Type Tall Fescue 95-100%G - Improved Perennial Ryegrass P a5% - Kentucky Bluegrass 0.5%D High -Maintenance Lawn 200-250lbs. - Kentucky 31 or Turf -Type Tall Fescue 100% General Slope Ml or less) . Kentucky 31 Fescue 128 lbs. . Red Top Grass 2 lbs. - Seasonal Nurse Crop ' 20 lbs. 150 lbs. Low -Maintenance Slope (Steeper than 3,11 - Kentucky 31 Fescue 108 lbs. - Red Top Grass 2 lbs. - Seasonal Nurse Crop* 20 lbs. - Crownvetch •' 20 lbs. 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 throw October ...................... Annual R 8ns through Ye November through February 15th................... Winter Rye PP 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 Crowrwetch, increase rate to 30lbs./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. 3.32 EROSION CONTROL NOTES ES-1: UNLESS OTHERWISE INDICATED ALL VEGETATIVE AND STRUCTURAL EROSION AND SEDIMENT CONTROL PRACTICES 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. ES-2. 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. 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 S1TE AT ALL TIMES. ES-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. ES-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. ES-7.'ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABILIZATION IS ACHIEVED. ES-8: DURING DEW47ERING OPERATIONS, WATER WILL BE PUMPED INTO 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. 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. 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. 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 disturbing 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. 12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning Ordinance section 5.1.28. 13. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle. 14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of 7:00am to 9:00pm. 15. 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 o slides, sinking, or collapse. 16. The developer shall reserve the right to install maintain, remove or convert to permanent 4 Pe g stormwater management facilities where applicable all erosion control measures required g aPP 9 by this plan regardless of the sale of any IoL unit, building or other portion of the property. 17. Temporary stabilization shall he temporary seeding and mulching. Seeding is to be at 75 lbs/acre, and in the months of September to February to consist a 50150 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 801bs/I00sf. Alternatives are subject to approved by the County erosion control inspector. 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural grade limestone shall be lied at 90lbs/1000sf, incorporated into the to 4-6 g g applied . � P inches of soil. Fertilizer shall be applied at 10001bs/acre and consist of a 10-20-10 nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or Tall Fescue and 0-5%D 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. 19. Maintenance: All measures are to be inspected week, and after each rainfall. An damage P Y Y g or clogging to structural measures is to be repair 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 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 site stabilization, when measures are no longer needed, subject to approval by the County erosion control inspector. 21. 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 17-2046.) 22. 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) STORMWATER RUN-OFF CONSIDERATIONS.- STORMWATER MANAGEMENT. THE STORMWATER RUNOFF FROM THIS PROJECT DRAINS TEMPORARILY TO THE SEDIMENT BASIN & TRAP. THE SEDIMENT BASIN KILL BE CONVERTED TO PERMANENT STORMWATER MANAGEMENT FACILITIES AND THE SEDIMENT TRAP WILL BE REMOVED AFTER THE DEVELOPMENT OF THE SPRING HILL PROJECT. GENERAL SLOPE (3:1 OR LESS) TOTAL LBS PER ACRE KENTUCKY 31 FESCUE 128 LBS RED TOP GRASS 2 LBS SEASONAL NURSE CROP 20 LBS 150 Les 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 .nnae 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 PS NO SCALE (STD. & SPEC. 3.32 OF VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK, 3RD ED.) TABLE 331-A LIMING REQUIREMENTS FOR TEMPORARY SITES Recommended Application pH Test of Agricultural Limestone below 42 3 tons per acre 42 to 5.2 2 tons per acre 52 to 6 1 ton per acre source: Va. DSWC TABLE MI-B ACCEPFABIE TEMPORARY SUDmG r NT M tT tA1S 'QUICK REFERENCE FOR ALL REGIONF R n, n,, _ n.,. SnI, a fjpy(gIr,) SIP,. I - Feb. IS 50130 Mixut Annual RM n 11u1-u I u-Ibrvml a SO. IUD Cere.l(Wimnr) Rye IG.+Ie v,.1I) Feb. 16 - Apr. 30 Annual Ryegracr 60 - lob Ilaliun, mul,i-huvm) May 1 - Aug 31 Glnllan Mille, % t&t.n, .Mira) Saw.: VR DSWC DESCRIPTION OF EROSION & SEDIMENT CONTROL MEASURES: PURPOSE: III J VF THE PURPOSE OF THIS LAND DISTURBING ACTIVITY IS TO GRADE THE SPRING HILL VILLAGE SITE FOR flT EROSION AND SEDIMENT CONTROL MEASURES: FUTURE DEVELOPMENT. THE TOTAL AREA TO BE DISTURBED WITH THIS PHASE OF DEVELOPMENT IS IS AN77CIPATED TO USE CONSTRUCTION ENTRANCES, DIVERSION DIKES, EXISTING SEDIMENT 15.32 ACRES.BASINS, AND SILT FENCES WILL BE INSTALLED TO CONTROL SURFACE DRAINAGE. TEMPORARY EXISTING SITE CONDITIONS.' (IS: 10TT R. LLINSZISEEDING WILL BE USED IMMEDIATELY FOLLOWING ALL LAND DISTURBANCE ACTIVITIES. THIS SIT_ IS CURRENTLY WOODED AND SLOPES TO THE SOUTH-EAST. THE SITE IS LOCATED TO THE No. 35791 ,�TEMPORARY STOCKPILE AREAS WILL BE MAINTAINED FROM TOPSOIL THAT WILL BE STRIPPED EAST OF AVON STREET EXTENDED AND TO THE WEST OF SCOTTSOLLE RD. THE SITE DRAINS TO THE JOM AREAS TO BE GRADED AND STORED FOR LATER SPREADINGSTOCKPILE LOCATIONS SHALL EXISTING MOORES CREEK TO THE NORTH-EAST AND EXISTING ROADSIDE DITCHES. CURRENTLYTHERE 06/12/20 AJ IS (1) EXISTING HOUSE ON THE PROPERTY THAT WILL BE REMOVED. � BE ON SITE AND SHALL BE STABILIZED WITH A TEMPORARY VEGETATIVE COVER. PERMANENT ADJACENT AREAS: � 5S SEEDING WILL BE PERFORMED FOR ALL AREAS WHICH WILL NO LONGER BE EXCAVATED AND THIS SITE IS BORDERED TO THE EAST BY SCOTTSWLLE ROAD AND TO THE WEST BY AVON STREET WHERE CONSTRUCTION ACTIwnES HAVE CEASED. PERMANENT SEEDING SHALL ALSO BE EXTENDED. RESIDENTIAL DWELLINGS EXIST TO THE SOUTH AND COMMERCIAL BUILDINGS TO THE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR A YEAR OR MORE. NORTH. SELECTION OF SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR APPLIED. OFFSITE LAND DISTURBANCE. TEMPORARY SEEDING WILL BE PERFORMED FOR ALL DENUDED AREAS WHICH WILL BE LEFT IMPROVEMENTS TO BE MADE WITHIN THE VDOT RIGHT-OF-WAY ALONG SCOTTSVILLE ROAD AND AVON DORMANT FOR MORE THAN SEVEN DAYS. THESE AREAS SHALL BE SEEDED WITH FAST STREET EXTENDED. OFF -SITE EASEMENTS HAVE BEEN OBTAINED FOR GRADING AND SANITARY GERMINATING VEGETATION IMMEDIATELY FOLLOWING GRADING OF 77-IOSE AREAS SELECT70N OF SEWER INSTALLATION ON ADJACENT PROPERTIES. SEED MIXTURE WILL DEPEND ON THE 77ME OF YEAR APPLIED. CRITICAL AREAS' CONSTRUCTION ENTRANCE: TREE PROTECTION FENCING, SILT FENCE, AND DIVERSION BERMS SHALL BE MAINTAINED ALONG THE A STABILIZED PAVED CONSTRUCTION ENTRANCE WITH A WASH RACK LOCATED AT POINTS OF PROPERTY LINES TO THE NORTH AND SOUTH OF THE SITE TO PROTECT THE ADJACENT PROPERTIES. VEHICULAR INGRESS AND EGRESS ON A CONSTRUCTION SITE TO REDUCE THE AMOUNT OF MUD CONTRACTOR SHALL ENSURE THAT ALL SEDIMENT MAINTENANCE CONTROLS ARE ALONG SCOTTSVILLE TRANSPORTED ONTO PAVED PUBLIC ROADS BY MOTOR VEHICLES OR RUNOFF. RD (ROUTE- 20) TO ENSURE THAT NO SEDIMENT LEAVES THE SITE- AND DRAINS ONTO ROUTE- 20. SOILS CONSTRUCTION ENTRANCES SHALL BE INSTALLED AS SHOWN ON THE PLANS TO REDUCE 774E SOILS MAP IS INCORPORATED INTO THE EROSION CONTROL PLANS WITH SOILS DATA INCLUDED WITH AMOUNT SEDIMENT TRANSPORTED ONTO PUBLIC ROADWAYS. THIS NARRATIVE. a SILT FENCE' SEQUENCE OF CONSTRUCTION: r A TEMPORARY SEDIMENT BARRIER CONSISTING OF A SYNTHETIC FILTER FABRIC STRETCHED PHASE I: V] 2: ACROSS AND ATTACHED TO SUPPORTING POSTS AND ENTRENCHED. TO INTERCEPT AND DETAIN 1. NOTIFY ALBEMARLE COUNTY TO SCHEDULE A PRE -CONSTRUCTION MEETING AS REQUIRED. no SMALL AMOUNTS OF SEDIMENT FROM DISTURBED AREAS DURING CONSiRUC77ON OPERATIONS IN 2• PRIOR TO DISTURBANCES, THE LIMITS OF DISTURBANCE SHALL BE FLAGGED AND THE TREE Z o I� ORDER TO PREVENT SEDIMENT FROM LEAVING THE SITE. TO DECREASE THE VELOCITY OF SHEET PROTECTION FENCING SHALL BE INSTALLED. a z J. NO EROSION CONTROL MEASURES MAY BE REMOVED DURING THE CONSTRUCTION PROCESS O � Lu 2: FLOWS AND LOW -TO -MODERATE LEVEL CHANNEL FLOWS THE SILT FENCE BARRIERS SHALL BE WITHOUT THE APPROVAL FROM THE INSPECTOR ON THE PROJECT. I.I.1v o INSTALLED DOWN SLOPE OF AREAS TH MINIMAL GRADES TO FILTER SEDIMENT LADEN RUNOFF w 4. THE PROPOSED CONSTRUCTION ENTRANCE WITH WASH AREAS SHALL BE INSTALLED AS SHOWN ON w w WI FROM SHEET FLOW AS INDICATED. THEY SHALL BE INSPECTED IMMEDIATELY AFTER EACH THE PLANS. THE CONSTRUCTION ENTRANCE TO BE INSTALLED WHERE CONSTRUCTION VEHICLE �// z a RAINFALL AND MAINTAINED IN ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL ROUTES INTERSECT PAVED PUBLIC ROADS, PROVISIONS SHALL BE MADE TO MINIMIZE THE IM04 o a HANDBOOK (VESCH). TRANSPORT OF SEDIMENT BY (VEHICULAR) TRACKING ONTO THE PAVED SURFACE. WHERE > V, U) PERMANENT STABILIZATION: SEDIMENT IS TRANSPORTED ONTO A PUBLIC ROAD SURFACE, THE ROAD SHALL BE CLEANED W THE ESTABLISHMENT OF PERENNIAL VEGETATIVE COVER ON DISTURBED AREAS BY PLANTING THOROUGHLY AT THE END OF EACH DAY. SEDIMENT SHALL BE REMOVED FROM THE ROADS BY W SEED. TO REDUCE EROSION AND DECREASE SEDIMENT YIELD FROM DISTURBED AREAS. TO SHOVELING OR SWEEPING AND TRANSPORTING TO A SEDIMENT CONTROL DISPOSAL AREA. STREET W E PERMANENTLY STABILIZE DISTURBED AREAS IN A MANNER THAT IS ECONOMICAL, ADAPTABLE TO WASHING SHALL BE ALLOWED ONLY AFTER SEDIMENT IS REMOVED IN THIS MANNER. SITE CONDITIONS, AND ALLOWS SELECTION OF THE MOST APPROPRIATE PLANT MATERIALS. TO 5. INSTALL THE INITIAL CONSTRUCTION MEASURES AS SHOWN ON THE PHASE I EROSION CONTROL IMPROVE WILDLIFE HABITAT. TO ENHANCE NATURAL BEAUTY. UPON COMPLETION OF SHEET THIS INCLUDES (1) SEDIMENT BASIN, (1) SEDIMENT TRAP, SILT FENCE, WIRE SILT FENCE, CONSTRUCTION ACTIVITIES, ALL AREAS WILL RECEIVE A PERMANENT VEGETATIVE COVER. AND DIVERSION DIKES. MEASURES INTENDED TO TRAP SEDIMENT SHALL BE CONSTRUCTED AS A TEMPORARY SEEDING: FIRST STEP WITH ANY LAND DISTURBANCE ACTIVITY AND SHALL BE MADE FUNCTIONAL BEFORE UPSLOPE LAND DISTURBANCE TAKES PLACE. THE ESTABLISHMENT OF A TEMPORARY VEGETA7VE COVER ON DISTURBED AREAS BY SEEDING 6. IN ADDITION TO ENSURING THAT THE PAVED CONSTRUCTION ENTRANCE ARE INSTALLED, INSTALL WITH APPROPRIATE RAPIDLY GROWING ANNUAL PLANTS. TO REDUCE EROSION AND SOIL STABILIZATION BLANKETS AND MATTING TO THE TEMPORARY SEDIMENT BASIN SLOPES AS SEDIMENTATION BY STABILIZING DISTURBED AREAS THAT WILL NOT BE BROUGHT TO FINAL GRADE SHOWN ON THE PHASE I EROSION CONTROL PLAN. FOR A PERIOD OF MORE THAN 30 DAYS. TO REDUCE DAMAGE FROM SEDIMENT AND RUNOFF TO PHASE H. DOWNSTREAM OR OFF-S17E AREAS, AND TO PROVIDE PROTECTION TO BARE SOILS EXPOSED 7. ONCE ALL THE PHASE I EROSION CONTROL 17EMS HAVE BEEN INSTALLED AS SHOWN ON THE DURING CONSTRUC7ON UN77L PERMANENT VEGETATION OR OTHER EROSION CONTROL MEASURES EROSION CONTROL PHASE l PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL CAN BE ESTABLISHED. MEASURES, THE CONTRACTOR CAN BEGIN GRADING OPERATIONS. STABILIZATION MEASURES SHALL DUST CONTROL: BE APPLIED TO EARTHEN STRUCTURES SUCH AS DAMS, DIKES, AND DIVERSIONS IMMEDIATELY REDUCING SURFACE AND AIR MOVEMENT OF DUST DURING LAND DISTURBING, DEMOLITION AND AFTER INSTALLATION. 8. ROUGH GRADE THE SITE TO THE CONTOURS SHOWN ON THE EROSION CONTROL PHASE ll PLAN, )yg o CONSTRUCTION ACTIVITIES H N AND INSTALL WALLS AS PROPOSED WITH THE FINAL ROAD PLAN. WALLS SHALL REQUIRE A TO PREVENT SURFACE AND AIR MOVEMENT OF DUST FROM EXPOSED SOIL SURFACES AND BUILDING PERMIT BEFORE CONSTRUCTING. In REDUCE THE PRESENCE OF AIRBORNE SUBSTANCES WHICH MAY PRESENT HEALTH HAZARDS, 9. THE SEDIMENT BASIN AND SEDIMENT TRAP MUST REMAIN IN PLACE & SHALL OUTFALL INTO THE TRAFFIC SAFETY PROBLEMS OR HARM ANIMAL OR PLANT LIFE. EXISTING ROADSIDE DITCH ALONG ROUTE 20 FOR THE DURATION OF PHASE H GRADING DUST CONTROL MEASURES SHALL BE EMPLOYED TO PREVENT SURFACE AND AIR MOVEMENT OF OPERATIONS. DUST DURING CONSTRUCTION. MEASURES EMPLOYED SHALL BE IN ACCORDANCE WITH THE VESCH. 10. PERMANENT OR TEMPORARY SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS WITHIN TEMPORARY DIVERSION DIKE.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 l 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 FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 30 DAYS. STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT TRAPPING PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT ARE TO BE LEFT DORMANT FOR STRUCTURE. MAXIMUM EFFECTIVE LIVE IS 18 MONTHS MORE THAN ONE YEAR. Z ROCK CHECK DAMS: PHASE Ill: 11. ONCE ALL THE PHASE Il EROSION CONTROL ITEMS HAVE BEEN INSTALLED AS SHOWN ON THE SMALL TEMPORARY STONE DAMS CONSTRUCTED ACROSS A DRAINAGE DITCH TO REDUCE THE • EROSION CONTROL PHASE ll PLAN AND THE INSPECTOR HAS APPROVED THE EROSION CONTROL VELOCITY OF CONCENTRATED FLOWS, REDUCING EROSION OF THE SWALE OR DITCH. LIMITED TO MEASURES, THE CONTRACTOR CAN INSTALL THE ROADWAYS, U77LI77ES & DRAINAGE STRUCTURES u� USE IN SMALL OPEN CHANNELS WHICH DRAIN 10 ACRES OR LESS,' SHOULD NOT BE USED IN AS PROPOSED ON THE FINAL ROAD PLAN. INLET PROTECTION SHALL BE INSTALLED AS SHOWN ON LIVE STREAMS. THE PLAN. THE DRAINAGE SYSTEM WITHIN THE SITE SHALL REMAIN NON -OPERATIONAL UNTIL ALL STORM DRAIN INLET PROTECTION: UPLAND AREAS ARE STABILIZED, THE SEDIMENT BASIN IS REMOVED, AND THE UNDERGROUND 0! THE INSTALLATION OF VARIOUS KINDS OF SEDIMENT TRAPPING MEASURES AROUND DROP INLETS DETENTION CENTER IS IN PLACE. OR CURB INLET STRUCTURES PRIOR TO PERMANENT STABILIZATION OF THE DISTURBED AREA; 11. ONCE THE SITE IS STABILIZED AFTER THE GRADING AND ROAD CONSTRUCTION OF THIS PROJECT LIMITED TO DRAINAGE AREAS NOT EXCEEDING ONE ACRE, AND NOT INTENDED TO CONTROL AND THE INSPECTOR HAS GIVEN APPROVAL THE CONTRACTOR CAN REMOVE THE EROSIONCONTROL MEASURES. NO ITEM SHALL BE REMOVED UNLESS THE UPSTREAM AREAS ARE LARGE, CONCENTRATED STORMWATER FLOWS. STABILIZED AND THE INSPECTOR GIVES PERMISSION. THE PROPOSED SEDIMENT BASIN SHALL BE TEMPORARY SEDIMENT TRAP: CONVERTED TO PERMANENT SWM FACILITIES AS SHOWN ON THE SWM PLAN. AT THE TIME OF A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE TEMPORARY SEDIMENT BASIN #1 "S REMOVAL AND THE INSTALLATION OF THE PERMANENT OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT -LADEN RUNOFF FROM SMALL UNDERGROUND DETENTION SYSTEM, THE CONTRACTOR SHALL REMOVE THE INLET PROTECTION AND DISTURBED AREAS FOR ENOUGH TIME TO ALLOW MOST TO THE SUSPENDED SOLIDS TO SETTLE PERMIT FLOW THROUGH THE PROPOSED DRAINAGE SYSTEM TO THE PROPOSED SWM FACILITIES.17 OUT MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. 12. MAINTAIN ALL EROSION CONTROL MEASURES AS SPECIFIED IN THE VIRGINIA EROSION AND TEMPORARY SEDIMENT BASIN: SEDIMENT CONTROL HANDBOOK, REMOVING ONLY WHEN APPROVED BY THE LOCAL PROGRAM A TEMPORARY BARRIER OR DAM WITH CONTROLLED STORMWATER RELEASE STRUCTURES WHICH IS ADMINISTRATOR IN ACCORDANCE WITH THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK. Z 13. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACROSS A DRAINAGEWAY. IT DAYS AFTER FINAL SITE STABILIZATION OR AFTER THE TEMPORARY MEASURES ARE NO LONGER a� IS USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM DRAINAGE AREAS 3 ACRES OR GREATER NEEDED UNLESS OTHERWISE AUTHORIZED BY THE LOCAL PROGRAM ADMINISTRATOR. TRAPPED FOR ENOUGH 77ME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETTLE OUT IT CAN BE SEDIMENT AND THE DISTURBED SOIL AREAS RESULTING FROM THE DISPOSITION OF TEMPORARY CONSTRUCTED ONLY WHERE 774ERE IS SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY MEASURES SHALL BE PERMANENTLY STABILIZED TO PREVENT FURTHER EROSION AND p MAXIMUM EFFEC7VE LIFE IS 18 MONTHS UNLESS DESIGNED AS A PERMANENT POND BY A SEDIMENTATION. �_ QUALIFIED PROFESSIONAL. OUTLET PROTECTION: SOIL DESCRIPTION THE INSTALLATION OF RIPRAP CHANNEL SECT70NS AND/OR S77LLING BASINS BELOW STORM DRAIN OUTLETS TO REDUCE EROSION AND UNDER-CUT77VG FROM SCOURING AT OUTLETS AND TO 58C -MYERSVILLE SILT LOAM-77 TO 157 SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON REDUCE FLOW VELOCITIES BEFORE STORMWATER ENTERS RECEIVING CHANNELS BELOW THESE GENTLY SLOPING TO STEEP RIDGES AND MOUNTAIN SLOPES. MODERATE TO RAPID RUNOFF, WITH OUTLETS. MODERATE PERMEABILITY. CULVERT INLET PROTECTION: 58D -MYERSVILLE SILT LOAM-157 TO 259 SLOPES THESE DEEP, WELL DRAINED SOILS ARE FOUND A SEDIMENT FILTER LOCATED AT THE INLET TO STORM SEWER CULVERTS WHICH PREVENTS ON GENTLY SLOPING TO STEEP RIDGES AND MOUNTAIN SLOPES. RAPID RUNOFF, WITH SEDIMENT FROM ENTERING, ACCUMULATING IN AND BEING TRANSFERRED BY THE CULVERT. IT MODERATE PERMEABILITY. ALSO PROVIDES EROSION CONTROL AT CULVERTS DURING THE PHASE OF A PROJECT WHERE 72CJ - RABUN CLAY LOAM-77 TO 159' SLOPES. THESE DEEP, WELL DRAINED SOILS ARE FOUND ON ELEVAT70NS AND DRAINAGE PATTERNS ARE CHANGING, CAUSING ORIGINAL CONTROL MEASURES GENTLY SLOPING TO STEEP RIDGES AND MOUNTAIN SLOPES. MODERATE TO RAPID RUNOFF, TO BE INEFFECTIVE. WITH MODERATE PERMEABILITY. SAFETY FENCE. • TEMPORARY SEEDING Ul A PR07EC77VE BARRIER INSTALLED TO PROHIBIT UNDESIRABLE USE OF AN EROSION CONTROL ALL DENUDED AREAS WHICH WILL BE LEFT DORMANT FOR EXTENDED PERIODS OF TIME SHALL BE SEEDED MEASURE. WITH FAST GERMINATING TEMPORARY VEGETATION IMMEDIATELY FOLLOWING GRADING. SELECTION OF THE PERMANENT STABILIZATION: SEED MIXTURE WILL DEPEND ON THE TIME OF YEAR AND WILL BE APPLIED TO DISTURBED ARES THAT WILL NOT BE BROUGHT TO FINAL GRADE WITHIN 30 DAYS. PERMANENT SEEDING WILL BE APPLIED TO ALL DISTURBED AREAS AS PER THE PERMANENT PLANTS SHOULD BE SELECTED APPROPRIATE TO THE SEASON AND SITE CONDITIONS FROM TABLES 3.31E STABILIZATION OF THIS EROSION &SEDIMENT CONTROL NARRATIVE. AND 3.31C. NOTE THAT TABLE 3.31B PRESENTS PLANTS WHICH CAN BE USED WITHOUT EXTENSIVE IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII AFTER CONSTRUCTION IS COMPLETED, ALL DISTURBED AREAS OF THE SITE WILL BE LIMED, EVALUATION OF SITE CONDITIONS,' TABLE 3.31C PRESENTS MORE IN-DEPTH INFORMATION ON THE PLANT FERTILIZED, AND SEEDED AS PER CURRENT VDOT STANDARDS. THIS SHALL CONSIST OF MATERIALS. THE FOLLOWING. TO CONTROL EROSION ON BARE SOIL SURFACES, PLANTS MUST BE ABLE TO GERMINATE AND GROW. mmi TOP SOIL - 2' DEPTH SEEDBED PREPARATION IS ESSENTIAL. LIME - 2 TONS/ACRE AN EVALUATION SHOULD BE CONDUCTED TO DETERMINE IF LIME IS NECESSARY FOR TEMPORARY SEEDING. FERTILIZER - 600 LBS/ACRE OF 15-30-15 TABLE 3.J1A MAY BE USED TO DETERMINE THE ACTUAL NEED ALONG WITH SUGGESTED APPLICATION mmi SEED - ERNST 5311 CONSERVATION SEED MIX - ERNMX-114 (45 LBS/ACRE PENNLAWN RATES: CREEPING RED FESCUE, 37.5 LBS/ACRE ARGILS KENTUCKY BLUEGRASS, 37.5 LBS/ACRE PARK KENTUCKY BLUEGRASS, 15 LBS/ACRE ANNUAL RYEGRASS & 15 LBS/ACRE PLEASURE FERTILIZER SHALL BE APPLIED AS 600 LBS/ACRE OF 10-20-10 (14 LBS/1,000 SQ. FT) OR EQUIVALENT PERENNIAL AFTER THESE AREAS ARE STABILIZED THEY WILL BE MOWED AND MAINTAINED NUTRIENTS. LIME AND FERTILIZER SHALL BE INCORPORATED INTO THE TOP 2 TO 4 INCHES OF THE SOIL ON A REGULAR BASIS. IF POSSIBLE. C__ MAINTENANCE.' 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 IN GENERAL, ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CHECKED DAILY RAKING, HARROWING, OR OTHER ACCEPTABLE MEANS. TRACKING WITH BULLDOZER CLEATS IS MOST AND AFTER EACH SIGNIFICANT RAINFALL. SPECIFIC ATTENTION WILL BE GIVEN TO THE EFFECTIVE ON SANDY SOILS. THIS PRACTICE OFTEN CAUSES UNDUE COMPACTION OF THE SOIL SURFACE, U_ FOLLOWING ITEMS.- ESPECIALLY IN CLAYEY SOILS, AND DOES NOT AID PLANT GROWTH AS EFFECTIVELY AS OTHER METHODS A. SEDIMENT BASINS AND/OR TRAPS WILL BE CLEANED AND MAINTAINED IN OF SURFACE ROUGHENING. ACCORDANCE WITH THE VIRGINIA EROSION & SEDIMENT CONTROL HANDBOOK. B. ALL GRAVEL OUTLETS WILL BE CHECKED REGULARLY FOR SEDIMENT BUILDUP THAT SEED SHALL BE EVENLY APPLIED WITH A BROADCAST SEEDER, DRILL, CULTIPACKER SEEDER OR WILL PREVENT PROPER DRAINAGE. IF THE GRAVEL IS CLOGGED BY SEDIMENT, THE HYDROSEEDER. SMALL GRAINS SHALL BE PLANTED NO MORE THAN 1J INCHES DEEP. SMALL SEEDS, SUCH GRAVEL WILL BE REMOVED AND CLEANED, OR IT WILL BE REPLACED. AS KENTUCKY BLUEGRASS, SHOULD BE PLANTED NO MORE THAN Ij INCH DEEP. OTHER GRASSES AND C. ALL SILT FENCE BARRIERS WILL BE CHECKED REGULARLY FOR UNDERMINING OR LEGUMES SHOULD BE PLANTED FROM i INCH TO J DEEP. DETERIORATION OF THE FABRIC AND REPAIRED AS REQUIRED. SEDIMENT SHALL BE REMOVED WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHED HALF WAY TO THE SEEDINGS MADE IN FALL FOR WINTER COVER AND DURING HOT AND DRY SUMMER MONTHS SHALL BE TOP OF THE BARRIER. MULCHED ACCORDING TO MULCHING, STD. & SPEC. 3.35, EXCEPT THAT HYDROMULCHES (FIBER MULCH) D. ALL SEEDED AREAS WILL BE CHECKED REGULARLY TO SEE THAT A GOOD STAND IS WILL NOT BE CONSIDERED ADEQUATE. STRAW MULCH SHOULD BE USED DURING THESE PERIODS, MAINTAINED. AREAS SHOULD BE FERTILIZED AND RESEEDED AS NEEDED. AREAS WHICH FAIL TO ESTABLISH VEGETATIVE COVER ADEQUATE TO PREVENT RILL EROSION WILL BE RE -SEEDED AS SOON AS SUCH AREAS ARE IDENTIFIED. 00 co z M :5 00 N 4 0- N Z 0') UJ L U N C � N G > Q Q > � w z � J w Z > Q J F_ 0- F_ F_ 2: 2:z J ) O Q > U I LU r w Y F__I Lyl1 ( Q LJJ ::) J o� F_:II z O LU > LU � J O F- J j:e U) H L LJ F- = LU < zQ (7 III/ O 0 (N V / l- O w Is clf x a I Ul) 112066 AS NOTED SHEET NO. 3 4PLANSHEET (MATCH LINE A) \ I SCALE=50' /V / /'� // ..B... z . gravel �' �� OSCOTT?R. CDLLINSZ STINGRNVLINE / — \ U No. 35791 n Hl_ NE A/ % / \ l — 06/12/20 SEE THIS SH ETA 6+a 1, \ _ I / I I _ _ / o s �o H� o��SSIONAL E�Cl LJ �/ J O i LB X _ _-_ \\\ / PROPOSED WALL$ (TYP.)/°t -- - I � I \ r '�9rmneS"y� p // / srp INSTALL ROCK CHECK DAMS-empa �1- - //ALONG THE DITCH EVERY ioo' � I DC / �� -- A �_ --,� / lea&Phone �— / / z I / NG / / \ / / o \ \ 657� 34 PLA \ \ I / / oM O \ \ \I O o \ \ �_ O / \ \ \ \ I �� / / ll9.33"( ie line) I l - 7) T o9 / / / / \ \ \\\� ® J \ / / off% / a z \ m/ % / .¢ Do U-1 Z< o— W �24 u m ` �/ \ �— E e1e Bep one == . _ _ gravel i ^ w Z FLOW DIRECTION oo 5 VS\ \ _ / / I � W ur ARROW (TYP.) + Y� \ \ a DC /I / \ / lV/ / / 1\ O a W / EXISTINGR LINE- '� s= /Pale j° / — \ / / o\�\\\\= / = — / / 9/ A, 1 I Ln to / / o� M91EH1 NE j > SEFTHIS W Dc Q \\ o\// /S'Cd 594 \ \ R D P D, LtE- 612 / j 6=4- / / / 6, I7 \ / D.B. 3508 P-160 '� / SF �-� / - - I ° / / / / \\ \ \y.Cl\\ D.B. 65�. 234 PLAT6>a INSTALL PROPOSED WALLS (TYP.) PLAN SHEET (MA TCHLINEB) m / / ale � � I —J — — / / / / / \ \ \ � � ✓ / , I \ SC\ E=50' � e to TP 59= LDC�/ / A \� v A/ I I A W/WIRE / } — s90 / \ I \ SUPPORT S� / rD 588 ss° / \ \ \ \ \ I w m \ NOTE: CONTRACTOR SHALL INSTALL SILT FENCE IT O INSTALLED _ \ a t OFF PROPERTY LINE AND OUTSIDE OFTHE LIMITS OF GRADING. I I sso m VDH. TREE PROTECTION SHALL BE INSTALLED ON THE BACKSIDE OFTHE SILT FENCE. \ / \ 'NOTE: CONTRACTOR TO ENS RE POSITIVE \ \ o _ DRIVEL 42EL4b5 °� Z _ / f 6 NSTALL PROPOSED WALL$(TYP:) \ DRAINAGE ALONG DIVERSION DIKE \ �e� °sse za' ASP H W/WIRE m Dp Apro to I o 0 oo I I j SF SUPPORT O.B.z21 P D5 Tv ~ \ \ DRIVE Va Pub ls ServI smt. W \ \ > / / `- °�'/ A I. -wxw �O — viol 0 •--I OID / OHE OHN — o^e / / 6 / _ �S �Yvld\90-35 \ / / / MU / �o�s- MU / � / DL9 UANE E.�A ND.f20WE Jt\A -s7o \ \ / �nwLBox o= M SNOW, TMP 90-27 / / �--\ TS�— MINTE AMES T. \J �� / 57° D.�yo657 �2PL702 AT I �r m� Hr °A� SI�' MAILBOX " ss00o �" MAIL X % �.'. TIMBER ose B�� C oHroHry D C'7 D.B. P. 33 / / / _� / /6b° m aF off off M Q OTE: CONTRACTOR CAN REMOVE DIVERSION DIKE \ i o`'�` o ® G) J P. 441 PLAT �/ I .. r' i°Bs- ° \ ��; _ WITH INSTALLATION OF THE RETAINING WALLS. o" o CV INSTALL PROPOSED (TYP) / / / S HOWEVER, THE SILT FENCE MUST REMAIN IN PLACE. \ I Y �yERWDEfi6EV�ATION fir° I ✓ m Q A-Y-FJ 570 56B 564 _ \ _ / i6 I / / IMIT$OF-DISTURB1A/NCE=i5.3a AC J � / 6o Cfl5/ �, �s6IF 90-o \ \ \ \ — I O LU NOTE: NEW DRAINAGE CHANNEL SHALL BE INSTALLED / / LIMTIS OF \ \ \ / /■ / ST EN W NO BE/NY , \., / \ \ N J AS SHOWN ON THIS SHEET AND THE GRADING SHEETS, / ssB- - \ \ y J / c. DENS N 64 / DRAINAGE AREA -- -- \ \ \ O / REPLACE THE DIVERSION DIKE FROM PHASE / �� _ /\ \ \ / 1 /I / D 8�1026�715 '.'.. \ -rY-*� x-�x / � , / /D B. 629 P. 616 PLAT � \ \ b / � / /// /* \+ � � � ,NOTE: CONTRACTOR SHALL INSTALL SILT FENCE TO BE INSTALLED \ \ \ � � Q / / , `56 / 8� Lam/�� / / / /5_ \ OFF PROPERTY LINE AND OUTSIDE OFTHE LIMITS OF GRADING. / Das / \ TS -- /TREE PROTECTION SHALL BE INSTALLED ON THE BACKSIDE OF THE SILT FENCE. \ \ \ 7 I- /L'. LIMITS OF DISTURBANCE=a5.32AC ,b°' s6o / sse ss6 / r ✓ / y� l �-- c1- \\ \\ LLj w z _ + J 0 ss: ss: x� MU � \ / / INSTALL ROCK CHECK DAMS � / \ —x— —x—x —x �/ ° �� ALONG THE DITCH EVERY>_oo' 55 � I A \ \ DA — / \ �� I/ / ��� �� _� — TMP 90-35V I I (!i �— i Y _ 7 �099 \ \ 1 Z�C DC \ \ I / \1341,4719P 402 I I I� Z ♦ /Ti . I \ \ 3 4 ✓ \ \� \ �� 1.12 AC D.B. 44P. I I L9 � CC w / / 1 / I D.B. 0 P. 198 PLAT G / \ 5\� - -I� \ \ GRAPHIC SCALE O (n DRAINAGE DIVIDE (TYP.) / +I ARROW (TYP.) N- / ' / l ` � > / I 540 089� \ 550 ' r" 50 0 25 50 too 200 _'' / / I \ \ \ \ �� \ I \ NOTE: DURING PHASE I CONSTRUCTION ACTIVITIES, \ U / / I \ \ I \ \ \ I4 CONTRACTOR INSTALLED A JUTE -LINED CLEAN ( IN FEET ) l \ �' DD \ I \ WATER DIVERSION DITCH TO TIE-IN THE EXISTING 1 inch = 50 ft. \Uj DC \ \ ( CHANNEL FLOW ABOVE THE PROPERTY TO THE z TMP 9 - 1A I / i -\ \\ 554� \ / / / ' �� 0 EXISTING DRAINAGE DITCH THAT HAD BEEN w EDDIE E NO I \ 54% '4 PREVIOUSLY MODIFIED BY OTHERS TO DIVERT \ O i CONTRACTOR STAGING AREA I / �.../ % \ \ \ / o I l RUN-OFF TO PROJECT PROPERTY. I — Q NI E EST / 6,,—WITH FUELING TANK DUMPSTER LIFE ��� I 55� AND PORTA-POTTIES \ I / NOTE: SEE SHEET FOR— / I D.B. 37 8 .453 I` ( \ N / 32 P 264 ' \ I I / PROPOSED SAFETY FENCE— '9'� \ DESIGN INFORMATION / O I 1 CD AROUND SEDIMENT BASIN P T I TM 90-27 I .I / f 1 I I ROGER SCHICKEDANTZ I I ss4 NOTE: SEE SHEET 8 FOR w > w D.B. 124 P. 461 I 55O -� _ DESIGN INFORMATION ' ; NOT: CONTRACTOR SHALL \ OSS_ '+ b� D INSTALL A RIW DIVERSION ACROSS 1♦ \ D D.B. 629 P. PLAT \ I I PROPOSED 4' HIGH AND 4 THE ONSTRUCTION ENTRANCE. - I IB�30 P. 164 PLAT s44 \ 58' LONG WOODEN BAFFLES -PROPOSED SAFETY FENCE �µ �4, 7 `_ _ \ / 1 J AROUND SEDIMENT TRAP r ,., c 12'x70'MIN. W LU \ w/WIRE ) I 54° , / NOT :THIS CONSTRUCTIONTRA SHALLBE /I SY \ b F,*: �i y c ISCE INSTALLED, R. ALL CONSTRUCTION MAINTAINED BY KITE / / / \ \ I aC° \ SUPPORT �� 6 / �\ i Ln CONTRACTOR. ALLCONS CONSTRUCTION TRAFFICINTHIS L 53 � CONCRETE WASH. 5j6' � AREA SHALL UTILIZE THIS CONSTRUCT ON ENTRANCE. r „„ OUTAREA .. 3z.* {3a �..._ / \ 1 w \ r MON. \ �q„ C 'OP1 SBl _ o ° : / / -Sa - \ N. I ) \ NOTE: CONTRACTOR SHALL INSTALL INLET PROTECTION AND SILT FENCE // \ n/ s Z \ .; F„„ \ - O s3= - / 1 I \ WITHIN THE RIGHT OF WAY AS SHOWN PRIOR TO WORKING WITHIN THIS Y ki L DRPVE 5F w/WIRE fmn V. Publcr 9ervi to a.'*+ ,� �'— ` / / �P / STll\ „ \ AREA. CONTRACTOR SHALL COMPLETE THIS WORK WTIHIN A TIMELY / / /� \ Q SUPPORT W D.B.221P305* _ -- -SZB I / O mm, s \ I FASHION,STABILIZE THE AREA,AND REMOVE THE E&$CONTROLS. �s3° J � tiaalet & �o ` �� 5ji p 53i / Fi •'*• *••••y"'•• �I Phone \ — POI°e°P_ ... — — — 560— — 0e koae_ -s36 ...,ham -may —�53o--:+ \ \ \ I ' I \ C� - ��j - - l' - - �0 - --:k-- - - - - - El c. ne H �s IMITS OF DISTURBANCE = 25.32 AC 0 , ^ > ,y� �X�r��JE=�'�'1f--� o EMERGENCY- ' SPILLWAY OP3 �s+o SF — o W/WIREJ�Jt-\ IF MAILBOX SUPPORT- i8 CP U p� SIG MAILBOX ° _6o50 �. o _ _ _ ° _ �_ 530— �/JN / Z4'RCP W w oHr off alb / MAILB X -_ INSiS % OUT \ O W r BrF �_ \ F W/WIRE - "ors —� m _------------------ -O o r oNv>" GN —o ` oHN 515.40 Of U) OHN A D SUPPORT _sso �� / / � MAILB9� 7 � MAILB�e ___ _________—_— � — � �� d (A i Hr off arvr oerv� \ Poles are INV IN w INV UT r MAILBOX ---------JOB NO. - oY' „p 527.60 7O _ \ A rox. 10 VEPCO Esmt. VDH.----------- _ z0'0 CI N — --� TE �i MoN. P°bPl�° se °i e Es t. P — _ — Q 12066 1 m\ `: \ \ \ .6.221 P.305 \ru I D.B.462 P.116 MO'y' — _ _�_ \ 'v°' roe sl SCALE - -( D.B.288 P.80 /—� ERRYLEEAND Imal I 90-21 --I �M 9021E I a \ \� I �\ TMP9 - 1H I \ / j TMP90-21H �.szo SF w/WIRE —--------------- -- TOP `'^ 1N-50r A STEP EN B. HEN Y SUPPORT DEB `n° WIL U . AND EVA P 90-19 DOROTHY B. HUNT DOROTHY B. HUNT 3; <� _520518.31? cC SHEET NO. o D.B 2816 P. 28 I ' \ I p sz0 cTcooz D. . 3767 P. 332 I ^ I I D.B. 338 . , 37 S FFLETT JULIAN P. BATTEN, JR I �P-B. 3289 P. 68, 71 PLAT \ Q'r �r� \I I / D.B. 3289 P. 68,71 PLAT D.B. 25 P. 367 PLAT L9L D.B. 1 . 718,720 L T I I 3 D.B. 1717 P. 33 I I 1 D.B. 1717 P. 31 rO \ Eo. ^ a� \ a D.B. 1717 P. 31 -o p i' a / 7 !r--i IF 099 1 I N SHEET (MATCH LINE A) ' Saw l >, •. WE- , \Q ` ►� � � �IAi INVOIJA��/�? �`\;i► �RAI ��11Z� /��9f�,p��"��? 11 EXISTING R/W wi LINEP : I L.a .I �� Iii ,, I e \ �; �r�ee•••.-"$��3s: i II / �r/j /—� o ��■ A� or •I �� . / � _!i� './ � *� - i9ili�Ati�1�1�e • �`��`� �-�,,/ ��I 'i��, I��I - .,, y: � i,�I`,�%" `C l u • ,�, �/ - :.. -%�.r� ® � hi � war , :: / ■� ._. 1y• as /; `ice i III •I � 1 � , / �, ' it mn�\ yl�' I �,��� � �r h•��� � ��i III, �I /��iS� %r� �����-� I DIUMPSTER vel �. �� i � y- ;� ��%% ���� �• �Y I �f9I� hill. IIII IIII ., � �, •;��� �I II �� ' ?G �'� ���I �� Iu • i- ■ �� ei Wal l LilI HIM l �� 1 111""" � � ` IIl A��,� ®� �J. •�i�+, I � I II � • �._•._ �R i_SUPFNOTE: INSTALL SILT FENCE ALONG BACK OF CURB. . - �\ \�!e \ �_ _ '� I III �^■�.O ONCE INSTALLED SILT FENCE SHALL REMAIN IN PLACE11 STABILIZEDUNTIL PERMANENTLY ALONG BANKS,IN i d OF -.4-�. I�� ,1 l� ,� �'�I �'� � i�III •1 _ �� —%!�o �— � III • I / �' ���® I`r,l til ,-I I • fill .. �/err Liz co ■ �y ���co I low I i� YI� mm 1 ■ �'I • i 'I • • •• • ■ i ��lII1l1. • InilMAI�. , '�� - i I Lu Lu L9 0 I• II � el®Sii I�ji, I 1 1•�6 II, •, � i i I �I ■ I i I -- -- 4I MEN 06 III ME r/F • 1 11 �G •��. � IIII • it 11 1 1 ' 1 1 '1 ! 1 \I v -- , ;`� ®� J 7 � .: � �� �� �i it �i I� i� �� ,r ► � ,� . �� • I 1 � . • , sMM�1•� ��i.•K,•r..xxwxw+rw H H n. .n so .nxcrr.. �:Fw. - ,..e m,uv..5..xe; •r. - r..•r..w.+rn- Illl•�I� j� -" � • •' • •' ?- ill_%'` ® `,\_ = �.y I ° - =_ • __i- �ri7�1®ram 1 ' MWASWU z _ RAN I � i .. ��� ... 1 • `x - __ //////////////// — _ — � ��+. -- III I • • I _ , CA r+ R ANTI- VORTEX DEVICE DESIGN yPRESSURE RELIEF HOLES 1/2° DIA. rd to �/ � TOP STIFFENER (IF REQUIRED) IS_X_X_ANGLE WELDED /I TO TOP AND ORIENTED PER- -------- - 0 O PENDICULAR TO CORRUGATIONS. / p 0 TOP IS -GAGE CORRUGATED 0 O METAL OR 1/8" STEEL PLATE. PRESSURE RELIEF HOLES MAY BE OMMITTED, IF ENDS OF CORRUGATIONS ARE LEFT FULLY PLAN VIEW OPEN WHEN THE TOP IS ATTACHED. TACxWELD r ED CYLINDER IS -GAGE CORRUGATED ALL AROUND METAL PIPE OR FABRICATED FROM 18- H STEEL PLATE. NOTES: er MIN. 1. THE CYLINDER MUST BE FIRMLY FASTENED TO THE TOP OF THE RISER. S x R BAR SPACER Bat SUPPORT BAR .) (Ne REBAR MIN.) 2. SUPPORT BARS ARE WELDED (TYPICAL) TO THE TOP OF THE RISER OR ATTACHED BY STRAPS IV t RISER DIAMETER I BOLTED TO TOP OF RISER. O I I I SECTION A -A ISOMETRIC w o a 1992 ANTI -,SEEP COLLAR SATURATEO ZONE CONNECTIONS BETWEEN THE ANTI -SEEP AND THE BARREL MUST BE WATERTIGHT Source: Va. DSWC Plate 3.14-4 OUTLET PROTECTION SIZING TYPE LENGTH WIDTH DEPTH OPi VDOT CLASS iA 14' 31 21 OP2 VDOT CLASS 3.A 16' 3' 2' OP3 VDOT CLASS 3.A 20' 4.5' 21 OP4 VDOT CLASS iA 6' 3' 2' OP5 VDOT CLASS iA 6' 3' 2' SEDIMENT BASIN #i DETAIL SCALE:1"=2Q' 1TZ T T Sediment Trap Design #1 drainage area (acres) (<3) 1.12 trap volumes: elevation (ft) area (sf) mIume(cf) volume(cy) 527.00 852.0 0 0.0 528.00 1330.0 1,082 40.1 529.00 1885.0 2,682 99.3 530.00 2503.0 4,868 180.3 531.00 3192.0 7,709 285.5 wet storage: wet storage required Icy) (67"DA) 75.0 bottom of stone weir (ft) 528.67 wet storage provided at this elevation (cy) 75.0 slope of wet storage sides 3:1 dry storage: dry storage required (cy) (67•DA) 75.0 crest of stone weir 530.0 dry storage provided at this eleltion (cy) 105.3 slope of dry storage sides 3:1 Sediment Basin #1 Design drainage area (acres) 13.41 basin wlumes: (using 2' contour intervals) elevation (ft) contour area (sf) volume (cy) 532.00 3895.0 0 534.00 7357.0 410.0 536.00 11058.0 1087.4 538.00 14981.0 2048.1 540.00 19135.0 330&6 wet storage required (cy) (67"DA) 898.5 dewatering orifice elevation (ft) 535.49 wet storage provided at this elevation (cy) 898.5 available volume before cleanout Icy) (34"DA) 455.9 cleanout elevation (ft) 534.20 distance from cleanout to orifice (fl) (> 1') 1.3 dry storage: dry storage required (cy) (67WDA) 898.5 principle spillway crest (ft) 537.50 dry storage provided at this elevation (cy) 911.4 diameter of dewatering orifice (in) 6.0 diameter of flexible tubing (in) (orifice+2") 8.0 runoff: C (use 0.45 for bare earth) 0.4 tc (min) 10 12yr 4.10 O 2yr 21.99 125yr 6.00 Q 25yr 32.18 principle spillway: available head (ft) 1.DO diameter riser (in) 48 spillway capacity, Qp (cis) 39.DO diameter trash rack (in) 72 barrel length (ft) 101.75 head on barrel through embankment (fl) 6.D0 diameter of barrel (in) 18 CNo. (REST OF STONE WEIRCRWNDy DRY STORAGE - .a vARVAEPROPOSED DIVERSIONWET STORAGE f9 (IXCANIFD) FILTER CLOTH GWOLH`L / cRwxO / RN ` -SEE PLATE 3.13-1 CfLY6E AGGREGATE- CLASS I RPRAP weir length (ft) (6xDA) 6.7 bottom of trap elevation (ft) 527 bottom trap dimensions: 16'x62' top of dam elevation (fl) 531 top width of dam (ft) 6 top trap dimensions 40'x92' MIN, I• WI SPILLWAY CREST OF EMERGENCY i' WITHOUT SPILLWAY DESIGN NIGH WATER k.(]5-YR. STORM EuvJ f RSER CREST ORY - STORAGE DEWATERING DEVICE WET ' STORAGE 3 - SEDWENT CLEANOUT POINT (' WET' STOTtAGE REOII= TO 3A C.Y./ ACRE) design high water (ft) top of dam (ft) top width of dam (ft) bottom of basin (ft) approx. bottom dimensions: upstream face slope: downstream face slope: baffles: length of flow, L (ft) effective width, We (ft) L / We (baffles not required if> 2) collars: depth of water at spillway crest (ft) slope of upstream face (Z 1) slope of barrel (Sb) length of barrel in saturated zone (Ls) number of permanent collars required dimension of permanent collars emergency spillway: required capacity (Q25-Qp) (cis) bottom width (ft) slope of exist channel (ft/ft) minimun length of exit channel (ft) crest of spillway (ft) GRAPHIC SCALE ( IN FEET ) 1 inch = 20 1t. 536.50 540.00 10.0 532.00 21'x270' 3:1 3:1 YES 88 159 0.6 YES 5.50 3:1 C.98 % 40 2 4.O'x4.0' YES C.00 10 8 % 6 538.50 SCALE:1"=20' TOP BAFFLE ELEVATION=538. BOTTOM BAFFLE ELEVATION= SHEETS OF 4'x8'xl' EXTERIOR PLYWOOD OR EQUIVALENT 4' U 8 U SEDIMENT BASIN BAFFLE DETAIL NO SCALE ��- - ---- -1 \ 1� \ -147- - - PROPOSED TEMPORARY 048" CMP RISER RIM ELEV.=537.5o'. RISER TO INCLUDE A 06" PROPOSED SAFETY FENCE, DEWATERING ORIFICE (INV. ELEV.=535.49) & A TEMPORARY TRASHRACK. RISER SHALL PROPOSED TEMPORARY 018" CMP BARREL. THE INSTALL SIGNS "WARNING BE FIRMLY ANCHORED TO PREVENT FLOATING. RISER TO BE SET IN A MINIMUM OF 30" CONNECTION BETWEEN THE RISER AND THE BARREL QUICKSAND, KEEP OUT" OF COMPACTED SOIL OR AGGREGATE BASE OVER A WxWx-" THICK GALVANIZED STEELS BASE PLATE, OR SET 6" INTO AN 8'x8'x18"THICK REINFORCED CONCRETE SHALL BE WATERTIGHT. LENGTH=101.75', INVERT IN=533 5, INVERT OUT=532.50, SLOPE=o.980AD. �� P POSEI 1 FOUNDATION. NOTE, IF THE STEEL BASE IS USED SPECIAL ATTENTION SHALL BE _ �Gj DITCH GIVEN TO COMPACTION SO THAT 95% COMPACTION IS ACHIEVED OVER THE PLATE. \ 54z PROPOSED 540 DIVERSION 538 536 PROPOSED BAFFLES L=58', H=4' x kl OPi 534 532 k S32 \ t x k X k k k k k k k X 270 vU... k k l x k k k k k k z 21, 0 C k k k x X x x k I P2 k k k x k k k 534 X x k x k k X x x k x 536 (f'�' " �- x x x x 53 6 k x x x x x k k x x x 538 S.so 538 Tv.x X k k k x x k x k x 54o SPILLWAY 540 P0� x x k k x k I x x k k k x k X x k k k kk X ' X kX k xk x k k kk x541 xk X x kX xk k�x x x 10' 5(G 0ne 53$ "k kxxx P�pn e Pole el = II -I -III-1il SILT FE CE WITH S 538.00 PROPOSED is WIDE g0 TOP OF DAM - - 0 I ,A I RISER CREST ELEVATION POSTS MIN. SIZE 4" SQUARE OR 5" ROUND. SET AT LEAST 3' INTO THE GROUND IDC CROWN OF 018 TEMP. CMP BARREL=534.00' INVERT OF 018 TEMP. CMP BARREL=532.50' `IL,-�^ ^ - DITCH7C/L ELEV.=54o.00�/ - - -- --- o ( OP3 �s --- PROPOSED 30' WIDE GRASS -LINED EMERGENCY E f __F 30- -------- 0 - - - - - - - - - - - SPILLWAY CREST ELEVATION =536.So'. SPILLWAY O TO HAVE 4:1 SIDE SLOPES AND SHALL OUTFALL - INTO THE EXISTING ROADSIDE DITCH IS SHOWN. THE TOE OF SED ENT BASIN #1's EMBANKMENT SH NOTE, THE DURING E EMERGENCYSPILLWDESIGN STORM. EXISTING RO\ DSIDE THE EXISTING ELECTRIC& TELEPHONE POLES ASLLTERMHATTAT ACTIVATED DURING THE z YR. DESIGN STORM. DITCH TO R AIN SHOWN, SO THAT THEY MAY REM IN FUNCTIONAL DURING CONST UCTION. LB X \ �\ Z a J T I CO T F- w E 0 H V) Lu � lL f � f H Z Q ` Un U`) It / W a ' H Z ' 0 F N N N n ID M Z IU ® cy Q Z N J O z W N LU W �N 0 U. z 02$ LU J � J LU LU L9 5� 0 [] ^ J At Q / U � ~ W Y w o J Z J LU Z W W 0 ' � J LU U)J � zW V O J( o ^ LU V 1 U w w Elf V) JOB NO. 112066 SCALE 111=20' SHEET NO. 8 LEVEL II DRY SWALE #1 DETAIL: SCALE i"=20' PROPOSED 6" TALL DRY SWALE CHECK DAM. CHECK DAM SHALL INCLUDE A 5' WIDE x 6"DEEP NOTCHED WEIR CENTERED ON THE CHECK DAM. CHECK DAM TO EXTEND TO DRY SWALE SIDE SLOPES. SEE SHEET23 FOR DETAILS. ONE (i) PROPOSED 6" TALL WEIR TO CREATE A MAXIMUM DRY SWALE PONDING DEPTH OF 6" BEFORE SPILLOVER. WEIR TO BE CONSTRUCTED OF CONCRETE, GABION BASKETS FILLED WITH STONE OR PRESSURE TREATED STACKED LUMBER. WEIR TO BE FASTENED WITH REBAR. REBAR SHALL BE #4 EPDXY COATED AND EXTEND A MINIMUM OF 28" BELOW THE TOP SURFACE LAYER FOR ANCHORING. WEIR TO BE BURIED & EXTENDED A MINIMUM OF 2' HORIZONTALLY INTO THE SIDES OF THE TRAPEZOIDAL SWALE. WEIR TO ALSO BE BURIED & EXTENDED VERTICALLY MINIMUM OF 6" BELOW THE TRAPEZOIDAL SWALE's TOP SURFACE ELEVATION. PROPOSED YARD DRAIN INLET, DOWNSTREAM FROM THE CHECK FLUSH W ITH THE TOP SURFACE ELEVATION TO ENSURE A DAM TO BE FL MAXIMUM PONDING DEPTH OF 6". 604.42 CHNL 604.92 RIM 620 620 615 615 EXISTING I 610 \ PR DE 610 10y DESIGN \ HGL, C TYP. PRO , PVC SEE 1 SHE 605 605 PRO MAXIM A5' WI WITH S .PROPOSED GRAD 600 600 SEE SHEET 13 FOR DRY SWALE SUBSURFACE COMPOSITION/ TYPICAL SECTION PROPOSED 6" SCHEDULE 40 PVC PERFORATED UNDERDRAIN. 595 > OSED 4" SCHEDULE 40 SOLID PIPE CLEANOUT. 71GURE 9-B.1 ON T 13 FOR DETAIL. OSED DRY SWALE TO HAVE UM SIDE SLOPES OF:2 3 WITH DE UPLAND PERVIOUS STRIP LOPES <5%, AS SHOWN. TYP. PROPOSED z' WIDE BY 6" DEEP STONE SPLASH APRON TO BE INSTALLED IMMEDIATELY DOWNSTREAM FROM WEIR. STONE TO BE 2"-3" DIAMETER AND BE UNDERLAIN BY NON -WOVEN FILTER FABRIC. 1 -vr P AK 12' 595 N O � JJ O W Wui c U' � tD w tD W w 565 560 PROPOSED DRY SWALE TO HAVE MAXIMUM SIDE SLOPES OF3:2, WITH 555 A 5' WIDE UPLAND PERVIOUS STRIP WITH SLOPES <5%, AS SHOWN. TYP. PROPOSED GRAVEL FLOW SPREADER - PRE -TREATMENT. SEE FIGURE io.6 ON SHEET 13 FOR DETAIL. SEE SHEET 13 FOR DRY SWALE SUBSURFACE COMPOSITION/ TYPICAL SECTION 550 PROPOSED 2' WIDE BY 6" DEEP STONE SPLASH APRON TO BE INSTALLED IMMEDIATELY DOWNSTREAM FROM WEIR. STONE TO BE 2"-3" DIAMETER AND BE UNDERLAIN BY NON -WOVEN FILTER FABRIC 0+50 1+00 DRY SWALE NO. 1 PROPOSED12" TALL DRY SWALE CHECK DAM. CHECK DAM SHALL INCLUDE A S WIDE x 6"DEEP NOTCHED WEIR CENTERED ON THE CHECK DAM. CHECK DAM TO EXTEND TO DRY SWALE SIDE SLOPES. SEE SHEET i3 FOR DETAILS. 6 5 DROPOSED 4" SCHEDULE 4C PVC SOLID PIPE CLEANOUT. SEE FIGURE 9-13.1 ON SHEET 13 FOR DETAIL. 20POSED 6" SCHEDUI 40 PVC PERFORATED UNDERDRAIN. DRY SWALE #1 LANDSCAPING SCHEDULE SYM BOTANICAL COMMON NAME SIZE SWMFACILITY QUANTITY ICOVERAGE (sf SHRUBS HV HAMAMELIAVIRGIN IANA WITCH HAZEL 2GAL. 5 - IG ILEXGLABRA INKBERRY 2GAL. 4 VD VIBURNUMDENTATUM SOUTHERN ARROWWOOD 2GAL. 3 TREES BN BETULA NIGRA RIVER BIRCH 2-1/2" CAL.1 1 INS I NYSSA SYLVATICA I BLACK GUM 1-1/2" CAL.1 1 560 ONE (i) PROPOSED12" TALL WEIR TO CREATE A MAXIMUM DRY SWALE PONDING DEPTH OF12" BEFORE SPILLOVER. WEIR TO BE CONSTRUCTED OF CONCRETE, GABION BASKETS FILLED WITH STONE OR PRESSURE TREATED STACKED LUMBER. WEIR TO BE FASTENED WITH REBAR. REBAR SHALL BE #4 EPDXY COATED AND EXTEND A MINIMUM OF i8" BELOW THE TOP SURFACE LAYER FOR 555 ANCHORING. WEIR TO BE BURIED & EXTENDED A MINIMUM OF 2' HORIZONTALLY INTO THE SIDES OF THE TRAPEZOIDAL SWALE. WEIR TO ALSO BE BURIED & EXTENDED VERTICALLY A MINIMUM OF 6" BELOW THE TRAPEZOIDAL SWALE's TOP SURFACE ELEVATION. 554.67 CHNL 555.67 RIM 550 PROPOSED YARD DRAIN INLET, DOWNSTREAM FROM THE CHECK DAM, TO BE FLUSH WITH THE TOP SURFACE ELEVATION TO ENSURE A MAXIMUM PONDING DEPTH OFzz". 545 545 JJ . O O O 1 O . O W W LO W I.L.0L� L� L� CD 0+50 1+00 1+50 2+00 DRY SWALE NO. 2 PROPOSED 22" TALL DRY SWALE CHECK CHECK DAM SHALL INCLUDE A io' WIDE x NOTCHED WEIR CENTERED ON THE CHECI CHECK DAM TO EXTEND TO DRY SWALE SLOPES. SEE SHEET 23 FOR DETAILS 10yr DESIGN H PROPOSED DRY SWALE TO HAVE MAXIM[ SLOPES OF 3:2, WITH A 5' WIDE UPLAND PI STRIP WITH SLOPES <5%, AS SHOWN. SEE SHEET 13 FOR DRY SWALE SUBSI COMPOSITION/ TYPICAL PROPOSED 4" SCHED PVC SOLID PIPE CLE, SEE FIGURE 9-13.1 SHEET 13 FOR DE PROFILE SCALES 2"=5' (VERTICAL) i"=5o' (HORIZONTAL) 560 560 EXISTI G GRADE ONE (i) PR( SWALE POP 555 555 CONSTRUCTEI OR PRESSUR WITH REBAR DAM. /10- MINIMUM OF: i"DEEP WEIR TO BE E :DAM. PEAK INTO THE SI BACKWATER SIDE BURIED&E; . DEP H=0.18' TRAF 550 GL, TYP.550 IM SIDE PROPOSED !RVIOUS GRADE TYP. 1RFACE 45 'SECTION 546.33 CHN 547.33 RIM 1LE 40 PROPOSED kNOUT. SPLASH) ON IMMEDIATEL` AIL. 540 PROPOS D 6" SCHEDULE 540 STONE TO 40 PVC PERFORATED UNDERLAIN UNDERDRAIN. J J O O O ww 00 � c� r a L w w 0+50 1+00 DRY SWALE NO. 3 LEVEL II DRY SWALE #1 DESIGN & REQUIREMENTS: TreatmentVolume (Per VRRM Calculations) 419cf Minimum Treatment Volume Required 461 cf * Minimum Surface Area Required (Tv/Storage De 278 sf Surface Area Provided 1,036 sf * Area based off S Mix at 25% porosity, 3" pea gravel at 2% porosity, 12" stone at 40% porosity & 6" of ponding at 100% porosity STORMWATER MANAGEMENT FACILITY GRADING Elevatio n (ft) Area of Dry Swale Footprint Volume (cf) 600.75 1,036 0 601 1,036 259 Excavation 602 1,036 1,295 Zone 603 1,036 2,331 604 1,036 3,367 605 1,036 4,403 PondingZone 606 1,848 5,826 DRY SWALE #2 LANDSCAPING SCHEDULE SYM BOTANICAL COMMON NAME SIZE SWM FACILITY QUANTITY ICOVERAGE (sf) SHRUBS HV HAMAMELIS VIRGIN IANA WITCH HAZEL 2GAL. 4 IG ILEXGLABRA INKBERRY 2GAL. 4 VD VIBURNUM DENTATUM SOUTHERN ARROWWOOD 2 GAL. 4 TREES BN I BETULA NIGRA RIVER BIRCH 2" CAL. 2 JV JJUNIPERUSVIRGINIANA EASTERN RED CEDAR 1-1/2" CAL. 1 2 LEVEL II DRY SWALE #2 DESIGN & REQUIREMENTS Treatment Volume (Per VRRM Calculations) 4,601 cf Minimum Treatment Volume Required 5,061 cf * Minimum Surface Area Required (Tv/Storage Depth) 2,349 sf Surface Area Provided 3,528 sf * Area based off 3' Mix at 25°% porosity, 3" pea gravel at 2% porosity, 12" stone at 40% porosity & 12" of ponding at 100% porosity STORMWATER MANAGEMENT FACILITY GRADING Area of Dry Elevation Swale Volume (ft) Footprint (sf) (cf) 552.75 3,528 0 553 3,528 882 554 3,528 4,410 Excavation Zone 555 3,528 7,938 556 3,528 11,466 557 3,528 14,994 558 4,728 19,107 1 PondingZone DRY SWALE #3 LANDSCAPING SCHEDULE SYM BOTANICAL COMMON NAME SIZE SWM FACILITY QUANTITY ICOVERAGE (sf) SHRUBS HV HAMAMELIS VIRGINIANA WITCH HAZEL 2 GAL. 3 IG ILEX GLABRA INKBERRY 2GAL. 3 VD VIBURNUM DENTATUM SOUTHERN ARROWWOOD 2 GAL. 3 TREES BN BETULA NIGRA RIVER BIRCH 2" CAL. 1 INS NYSSA SYLVATICA BLACK GUM 2-1/2" CAL. 1 )POSED 22" TALL WEIR TO CREATE A MAXIMUM DRY (DING DEPTH OF 22" BEFORE SPILLOVER. WEIR TO BE > OF CONCRETE, GABION BASKETS FILLED WITH STONE -TREATED STACKED LUMBER. WEIR TO BE FASTENED . REBAR SHALL BE #4 EPDXY COATED AND EXTEND A .8" BELOW THE TOP SURFACE LAYER FOR ANCHORING. URIED & EXTENDED A MINIMUM OF 2' HORIZONTALLY DES OF THE TRAPEZOIDAL SWALE. WEIR TO ALSO BE (TENDED VERTICALLY MINIMUM OF 6" BELOW THE 'EZOIDAL SWALE's TOP SURFACE ELEVATION. PROPOSED YARD DRAIN INLET, DOWNSTREAM FROM THE CHECK DAM, TO BE FLUSH WITH THE TOP SURFACE ELEVATION TO ENSURE A MAXIMUM PONDING DEPTH OF 12". L 2' WIDE BY 6" DEEP STONE APRON TO BE INSTALLED ' DOWNSTREAM FROM WEIR. BE 1"-3" DIAMETER AND BE ' NON -WOVEN FILTER FABRIC. LEVEL II DRY SWALE #3 DESIGN & REQUIREMENTS: Treatment Volume (Per VRRM Calculations) 2,684cf Minimum Treatment Volume Required 2,952 cf * Minimum Surface Area Required (Tv/Storage De 1,370 sf Surface Area Provided 1,477 sf * Area based off S Mix at 25% porosity, 3" pea gravel at 2% porosity, 12" stone at 400/a porosity & 12" of ponding at 100°% porosity Elevatio In (ft) Area of Dry Swale Footprint (sf) Volume (cf) 542.75 1,477 0 543 1,477 369 544 1,477 1,846 Excavation 545 1,477 3,323 Zone 546 1,477 4,800 547 1,477 6,277 548 2,062 8,039 PondingZone 549 2,669 10,398 550 3,329 13,391 NOTE: ALL PROPOSED LANDSCAPING WITHIN THE SWM SWALES CAN WITHSTAND A MAXIMUM OF 12" PONDING. OZ9 DRY SWALE #i R NOFF ENTERS VIA SHEET FLOW. SEE FIGURE 2o.4b ON SHEET i3 FOR PRETREATMENT. y PROPOSED VARIABLE WID4CREAT�<' EASEMENT. EASEMENT C WITH PROPERTY LINES AT PROPERTY - LINE, TYP./ ONE(i)PROPOSED 6" TALL WEXIMUM DRY SWALE PONDING DEPTH OF 6" BEFORE SPILLOVER. WEIR TO -� BE CONSTRUCTED OF CONCRETE, GABION BASKETS FILLED WITH STONEOR PRESSURETREATED STACKED LUMBER. / WEIR TO BE FASTENED WITH REBAR. REBAR SHALL BE #4 EPDXY COATED AND EXTEND A MINIMUM OF a8" BELOW THE TOP SURFACE LAYER FOR ANCHORING. WEIR TO BE BURIED & - - EXTENDED A MINIMUM OF a' HORIZONTALLY INTO THE SIDES OFTHE TRAPEZOIDAL SWALE. WEIR TO ALSO BE BURIED & EXTENDED VERTICALLY A MINIMUM OF 6" BELOW THE TRAPEZOIDAL SWALE's TOP SURFAC LEV TION. - - - -- Impervious Area Summary- Dry Swale #1 Proposed Buildings 2,200 sf i 31 PROPO ED Dl2Y SWALE HAVE )` MAXIMUM SIDE SLOPES OF 3:z, WITH - A 5' WIDE UPLAND PERVIOUS STRIP J� WITH SLOPES < % AS SHOWN. \ PROPOSED GRASS OR M CH_ GROUNDCOVER INVARIABLE WIDTH RAPEZOI DAL DRY SWALE- -6o8 PRO O ED4"SCHEDULE4o PVC \NS (1) SOLID PIPE CLEANOUT. SEE FIGURE 9--B.i ONL SJEE z3FOR DETAIL.\ / 4) PROPOSED z' WIDE BY 6" DEEP I�� - -6o - STONE SPLASH APRON TO BE - I /. •' t` . • . INSTALLED IMMEDIATELY - t DOWNSTREAM FROM WEIR. • tS2 f STONE TO BE '"-3" DIAMETER ' • ` f JV (2 AND BE UNDERLAIN BY ) ` _� ED RETAINING WALL / L NON -WOVEN FILTER FABRIC. I - It i4j�o5 6o6 HV 0 PROPOSED YARD DRAIN INLET, I }Of k•} 6 606 PROPOSED ADED SIDEWALK DOWNSTREAM FROM THE CHECK 0 EXTENDING TO PUBLIC R/W TO SERVE DAM, TO BE FLUSH WITH THE TOP VD (3) - AS ACCE TO THE SWIM FACILITY SURFACE ELEVATION TO ENSURE A PROPOSED ALLLL DREC D . CHECK DAM MAXIMUM PONDING DEPTH OF 6'. ' t, I PROPOSED6"SCHEDULE40 VC - SHALL INCLUDE A 5'WIDE x 6"DEEP NOTCHED WEIR 604.92 RIM _ PERFORATED UN ERDRAIN. CENTERED ON THE CHECK DAM. CHECK DAM TO EXTEND 0 10 20 r 40 TODRYSWALE SIDE SLOPES. SEE SHEET 23 FOR DETAILS. LEVEL II DRY SWALE #2 DETAIL: SCALE i"=20' 0 20 40/ \ UBLIC ROAD & SI EWALK \ I \ PROPOSEDGRASS OR MULCH TO SERVE AS ACCESS TO d \ GROUNDCOVER IN VARIABLE - SWM FACILITY / \\ ONE (i) FIR POI 22" TALL WEIR TO CREATE A MAXIM M - WIDTH TRAP ID ALE- - I \ DRY SWALE PONDING DEPTH OF 22" BEFORE SPILLOVER. WEIR, TO BE WITH TONNE OR PREDOF SSSUREOREATED STACKED LUMBER. N BASKETS ILLED-WEIR \ OP SE D RD�REAM YARD DRAIN FROM HEE� TO BE FASTENED WITH REBAR. REBAR SHALL BE #4 EPDXY CHECK DAM, TO BE FLUSH WITH RETAINING / \ / COATED AND EXTEND A MINIMUM OF 28" BELOW THE TOP WALL THE TOP SURFACE ELEVATION \\ / SURFACE LAYER FOR ANCHORING. WEIR TO BE BURIED & TO ENSURE A MAXIMUM %. EXTENDED A MINIMUM OF 2' HORIZONTALLY INTO THE SIDES - - FORM G D PTH 0J�2". OF THE TRAPEZOIDAL SWALE. WEIR TO ALSO BE BURIED & / EXTENDED VERTICALLY A MINIMUM OF 6" BELOW THE PROPOSED DRY SWA ETO HAV TRADE OIDALSWALE's TOPS FA VATION. MAXIMUM SIDESLOPES OF3:2 / \ / \ JV (2 i PR POSED OVE LOW \ / i _ 55$ - YAR DRAIN 1 � // _ �, t /fSRYS ALE#a RUNbFF NTE 6, _ ---55755(`1%• ,4�� ,5 5.75 RIM VIA CONCENTRATED FLOW. SEE - • '� +96 FIGURE 2o.6 ON SHEET 13 FOR �!� ,H 556r. • •��• . �- _ -i DETAILSOF RETREATMENT. / �`` ' i � N (z) • j 55 557 'X •k . / - 55 Z. K2 ' 1 `/ ✓ / /` ` • •,. / �x� x x x�x� 55.67 RIM / • ' • / y 6' / -- - P OPOSED z7W_1DE BY 6" DEEP STONE SPLASH APROM� �,• •` .4�f �•j ,' , t` ( ' ` ` • ` ' 2 /+ - TO BE INSTALLED IMMEDIATELY DOWNSTREAM FROM ro° Y 3 P�OPOSED 6" SCHEDULE WEIR. STONE TO BE i 3 DIAMETER AND BE / 40 PVC PERFORATED NDERLAIN BY NON WOVEN FILTER FAB 14. UNDERDRAIN. i pR(PO SED i TALL DRY SWALE CHECK DAM. / + CHECK DAM SHALL INCLUDE A 3'WIDE x 6"DEEP C--PROPOSED 4 SC RULE 40 PVC e SOLID PIPE CLEANOUT. SEE FIGURE NOTCHED WEIR CENTERED ON THE CHECK DAM. k e - 556 50 / CHECK DAM TO EXTEND TO DRY SWALE SIDE SS8 6 / /x�x 9-B.i ON SHEET 23 FOR DETAIL. / SLOPES. SEE SHEET 13 FOR DETAILS. -r PRO OSEDGRAV LFLO SPREADER EM Impervious Area Summary- Dry Swale #2 \ PRE-TREATMENT. SEE FIGURE 2o.6 ON SHEET 23 FOR DETAIL. Proposed Buildings 31,075 sf I 552 / '� e _ Proposed Roadway 5,275 sf lip OPOSED VAR. WI TH SWM EASEMENT. x�x\x` Proposed Sidewalk 2,400 sf EASEMENT COINCIDES WITH THE PROPERTY-x-x-x-x x x - -x-x-x Proposed Driveways 5,100 sf LINE AND PUBLIC R/W AT PLACES. / 43,850 sf No. 35791 06/12/20 F- Z w z O U O � V rl1 z J Z O a u) w < w 0 � � m U p Q w LU w LU VJI �..� z O Q a W (n .. (n .. (n W a F- ti z st ul w 0 � � N N � ti ti kD kD L9 Ci) z ~ z 00 � ^J IZ 1 O L1J N z W N N C G > z LU W w J _J J L~L CO 0 Lij a- 0 _ F O U)i�J-I-I Q � Q = W U I � Y J LLI rwr� � Qv CO LnJ J Win H4 1 Lij J i_� _ IJ W Of Q z IJ _ (D CD ~ O -CN �0- V U W w O w � x a m JOB NO. 112066 SCALE AS SHOWN SHEET NO. 12 _ YD1 O YD13C C --� I MMM�TGH� T15\ L \' V \I 1 : I OT 18- •, I I � \574.00aw' \ \ \ \ \ I 3 $ 2- --� - 1 59z.o YFE= 586.0o 584J 11 Ili 586.00TW \ \ \ \ YD13B 9 8T / j / / L T 20.T 2 LOT 1 t T o (I 86. / vs 80.00BW 5 5 , 5 33 r s \ I_ - r / L \ \ \ % 4 FFE= FFE- -FFE= FFE= f .588 ��-5ag.00 PROPOSED VAR. WIDTH PRIVATE 1' 2 _ / � i \ / 1 \ \ \ \ \ / PROPOSED SWM ACCESS ` _ DRAINAGE EASEMENT-_ �g / F z.00 591.33 590.67 59o.ao tj / LET � ; I I \ \ \ \ \ I O PROPOSED VAR. WIDTH PRIVATE 8 .00-' _ I FFE= 5sz. I \ & FACILITY EASEMENT• ..' S8 - LOT / BSMT= I - �n 1 / / • . - - DRAINAGE EASEMENT �' � 5'C FFE-_ -1 _FFE= / 59 7 59 BSMT- I BSMT- BSMT- I I n\ / ! 58y.00 / I / / 1 r` ` • . , 4 s / FFE- o 59 3T i/ 35MT-'', 58z.16 11 581.49 11-580.83 580.i6 ilr 17 j I / i / /584-33 qb l PROPOSED zo' PRIVATE \ \ \ - - SCOTT R. LINS Z Tw saw - 80, 86 - LOT, z.8 / 93 5 _ I BS 58z.83 r 5a 6 ga1.16 I daoso ,579 $3 J LJ DRAINAGE EASEMENT 1 \ \ 35791 C •`1 5 �\ 59 3 BSMT= 8 . o \ / \ \ \ FFE 5 3 7 /\ 5 5 5.z� I- saX x I -I _ --- _ / L 823 6 , \BSMT- � \ I 4 / I --- _ -- I 1 / •� � i \ \ \ � .0 4• I 59- 8 6 \\ I <FFE= o $$ 591.50 \ 8 \ y / 51 33 5 0 s72.00 •�11 5 - 76.0o LOL6o FFE- 583.00 sa3 33 - I I / x --- �� - 57 yp5 \ : 58a b 81.6 b � / y • , c - - - \.BSMT= I t // i---. •`, Ik 'I ,(� \ FFE= $90.83,.r581.6 ' / g 157a4 --' 77z5�\ " ✓ pss,l \566.00BW 5 7 57 \ 88.8 - - -- - 80.00TW \ I \ \ \ ZONAL � �.. $ 3- BSMT= \ 58133 v � m - I �- � -� -_58047 -. - jg 65 .37 � 7.. 16A : i.. z�580�.\. � L �-III 574.00BW\ \ 1 \ \ \ \\ I PROPOSED 10' PRIVATE i YD13A - \� BSMT= / a ( - - � \ 581.00 i -.,r � � I ' -, Sz zy �. �,---- \ _ DRAINAGE EASEMENT 1w584, LOT 63 \ `\579.00 p65 sao 67,\Np z73 ; 8 ' - (\--- f I_ I.; 1 y rBW 8--r FFE=/_8z. ' - - ,I / ) PROPOSED W (MAX. HEIGHT-6' F 577.00 -- - - h\ \\\'' `sue v \ a o 15•too 16 �^ ! / PROPOSED VAR. WIDTH PRIVATE �s s✓ - - 15+00 \ o \ - / 15 -\ - \ -� - -{- \ PROPOSED WALLS- / CD > ti J' - DRAINAGE EASEMENT (MAX. FFE= YD1 I ✓ O�O A - - - - 16+5o SEWER SYSTEM 1L \MAX. HE\GHT=\ Q s a YD1z6 - - - - 6.6 \ 78 zo L 57433 n 7 / /k " / i - - / 64 566.00TW \ \ \ \ \ z { a ..+ :-✓1�k / / ~•3'� .. it/.. / __�___T68_ 6 I_ 6o.00BWiZy, LOT 6z - \ \ - � PROPOSED 8" YARD LOT 63 - G x L Sg Y' \ sso o;: 37 79 S7s az --- p 7 s74.00Tw \ \ \ \ - - - - - - _ - - _ E ` - _ 574.00 - f .. / - :. __ - - : / b L. /I 1 ' S68.00BW \ O DRAIN SYSTEM y T \ - / sissq slzy --- r / r FFE / mG \ \\ \ \ c.r FFE= /' ' 0 94 . -- r`� c 79� j I } s7367 r57�3.z4 -:� \ \\ \\\\ J - .� • ; `` _ - -- ,... w � - / ✓ 574.00 LOT I I r \ \ 571.67 x5 `_ - / - a1 579 / / 9 $ \ \ \ \ - - - - - 570 ¢ z f � r .5 00 \ \ \ r O / / a / i;/ � \ � 73ss' .,,` - � Sgo \ 1 i e, EE= / � 1 - •I \ \ \ \ �� �-_ _ ,q / / \ �, .✓- s I I I I - F 167 Is71.01 I 1 \ \ � PROPOSED 10' PRIVATE / / � s7�33 - - - � � i � \ � 1 ,� / s { � - - V / m w - / 568.67 \ \ \ /r 6' S794o� \ \.. 1 I / I - 57 00 I DRAINAGE EASEMENT 7 _ \ /i _ \ PROPOSED zo' PUBLIC> 57o z. LOT �� j.396i \ \ - z Ln , �i'EASEMENT I 570 5 S \ \ - - - \ r 573.50 �. .\ ' r:: \° \ c. \ / 1 I -: I / C I �L. 557.00BW 6o \ z g - 5 // .SoB /__ - - �� �. r :. ' 93 '- ! 76.68; \. ca, / I I /,. FO-00 = 5696 IS o I \ / w m 1 / / / / I• I 57oso: --- --- YD1zA------- �� 707s- o y...PROPOSED STORM s.e r 4967 . \ N �. \\LOT 8r _ _ L9 LOT 83 / �: I LOTIl liuti- , I -..: �:: 570 00 \ \ \ - - - - - - \ O c� o a / - - PROPOSED 'DECORATIVE WALL I q 570.33 xo _ / T 8o FFE- 580.00 - / l 564.00aw - - - - - - - - - - - - � - w I 3 0 \ x \ FFE= 581.33 BSMT- 570.37 57933 / I LO 13 63 TLLJ \ /' S60 a I cb �( _ - - � y'7 SEWER SYSTEM 4 _ FFE= / I -- ��- f (NOTE: WALL ' IN HEIGHT R LE D / = ( O 53 G O 55 O ! s "67 79 �\ a FFE-58z.00 BSMT= 1 0 5 9-5 FFE= I \ V/ z ¢ / - _ NOT REQUIRE RETAINING WALL PLANS ' I FFE= _ 57a o6 / LOT BSMT= 6 0JFI / \ 575 I I / - % - s67.67 1566 g1'I J \ / o / ) >\ \° , �( BSMT- z.16 - tE}�8� - - / I � 68.00 ! f 57 \ I _ I % I \ \ /-------- ~ in f in 570.33 II `\ Sao r' s FFE= 580.00 /I / L 7 \ / / m - - - - i _ - _ - o 00 _ i 9 r / a / PROPOSED VAR. WIDTH PRIVATE / ROPOSED WALL MAINTENANCE EASEMENT \% > /6a.oaw 5r 4 s 9 g 57 7 /- I \ \ / / ---- > J s 1.So I COTE I e. 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IOW / / Z) I / / / / / / / / - -- • 566.001 w S58 ------ YD4A --- 56o FFE= f ,S / / / �1 \ / 7 77 56o.00BW-_ _-_ I /- 6067 56033' I. ;T\ \ D.B. 02 P. 7/7� / NOTE: CONTRACTOR TO INSTALL PRIVATE 8" \ / FFE= z.6 N / ---- --- 556 561.0 1k ss 6R 5sz.007W \ \ / FFE= 5660o 15 3 / 57 7 / --- -- I i L i I L \ssa.00aw \ \ D.B.)657 P/23/4 PLAT / DRAIN LINE FOR ROOF & FOUNDATION DRAINS zo. % BSMT= 56z.83 YD15 / 566.00 - I E WITH 1o' PRIVATE DRAINAGE EASEMENT T� 11 i 4 i 56o.00bw NOTE: CONTRACTOR TO INSTALL PRIVATE 8" / TMP�O-27B / i y - --- ssa.00sw 1 / / � '" ; I , YD16F I •• - - / , ` � � s 6 sse i STEVEN WAND -B/JOHNSO / / / 563.6�BW LOT 66 I o r f YD15E / r S58 to ss I RAIN LINE FOR ROOF &FOUNDATION DRAINS / / I� / / / \ i 56k' ` ;�' ;' _ ..._ _ YD4 S59.0 L 6ss ¢ \ WITH 1o' PRIVATE DRAINAGE EASEMENT / ` f / D.B. 1026 P.J15 / OL5 i 5 6 M _ % i D.B. 629 P. 6,16 PLAT / / / ! \ ` N I i / \ \ $9 \ \ / 6� j f 560 06 w;:`Y / ® = - - -,_ - / 1oA L 8 r I / / / / / L0�67 - - 6 _ 5 / \ i' i B FFE= / 11 FFE=56333 L. \�\ 88 _- S- - 6 r:.,;•:.,..: _ • i %, II I / I. 557.00 54fi� \ 1. ,PROPOSED zo' PUBLIC p rn• . %, :. ,, I 556 67 i s y / / \ / / / / PROPOSED io' PRIVA E I 563.67 \ \ \ pl. 61 J 'DRAINAGE I \ _ = / - - _ DRAINAGE EASEMENT - - _ \ ` - / / - w o 0 -T III d l 556.00iw / ' S _ FFE- o 00Bw 6 60 -- - ��' ��� i " y 5550 x _ /s a.00rw I I I � I � I II �, PROPOSED DRY SWALE', 55467 sso oz ' � 55 ' _ / / / / � 562.oll oBW ! � --_ � 7i 5 � / \ S'S8 � �0$S\ � : i j/Lc LOT 75 / / FFE= 55z 6 5gi 6y s48-ooBW / / / / / ... - � I- •-. + _ a � : _-FFE= � I III 548.00BW / / LOT�B I 9 oio 561.00 f 553.00 / / / / ! l I _ 55s.a3 560 67 BSMT= 1.1 \ YD1oA - - -- - - / / I � FFE=.. .._� h 8z I 55 71 \I / PROPOSED ,w� � ri Ji� itI/ � L� � I` IIi / / / I \ / I FACILITY EASEMENT SSo z-\----------- 550 \ / / / Off' / ^ I 6 I [k- \ I: / - \ �- -� / I 9.5. • � _ / \, ... r / I ________ - -. \ 548.00TW / / � � � 559. 7 - - - / LOT i . it ✓ I v of s47.00BW A � Is9 3 � e� .7s ss9s3 FFE= 6 � 4 I- 09,9 BSMT59 78 I V �� \v v .,, ,`err ;� / � /i _ L TSB I °1 / \\ CIO z FFE / I o I FFE= ss9.00 l V y fw / 5 9.0o sa867 syr37' v / // ® C7 /549 3 / !% I' I NOTE CONTRACTOR TO INSTALL PRIVATE 8" i DRAIN LINE FOR ROOF & FOUNDATION DRAINS \ \rl • 1 ✓ - - / N 1 PROPOSED lo' PRIVATE FFE= T 4 , / 7 PROPOSED io' PRIVATE \ \ \ \ �s' it 5y6.€7 s4s 4 v DRAINAGE EASEMENT �547 00 1 I oo LOT 3 / I DRAINAGE EASEMENT \ \ s i/ ' L / \ I I ss7 7 - 55 33 I o , PROPOSED zo' PRIVATE PROPOSED VAR. WITDH PUBLIC 1 i FFE= T 3 F_ - I 43 / FFE- 8. 0+ \ r/ I1 / I LOT o 557 e7 I I I� BSMT 548.50 _ IL DRAINAGE EASEMENT DRAINAGE EASEMENT i 011 0 545.67 6� / ` - o - z FFE- - - \,, ss. z - o + / CA LU II � - roI � � �, � I 1 3�1 ' \ PROPOSED io' PRIVATE 8.00 I h 55 x _ DRAINAGE EASEMENT-./ / SS �80 z ' I / - N 6 4L w rr L11400 54z.ys 540 ' �FFE=-I_TJ=--- a 7.00 I0 LO7z bS- - S5 54433I ---=r� sssa7 556.e7 FFE- oo YD3 7 J ; 0 --- - -- - / - 557 YD10 ' SEDVAR.WI TH 1 BSMT=547.17 I PRNATTEDRANAGEDEASEMENT 54z I r BB L��7 / \ z ssa ° r I LU s46.00 _ - LOB 1 �f2 / - z I I I 46 I YD2 7. �� \' 410 S/ � � \ wYD 543.oa / 557.33 9 I PROPOSED zo' PUBLIC / / : - - - / - > � ° S4o , n DRAINAGE EASEMENT \ ., t 4 .I , ✓ - --1 - - -P RW LAN y I G 7-T 5 .r�,:_,_,,r5w -_OTMP -27 ; • r. �// 55 93 ° ��� h h �. \ 1 - -m -m:-- m - -Sa 6 PROPOSEDsroRM� H- LOTh- `-1 SEWER SYSTEM `" `" -� w -PROPOSED zo' PRIVATE \ ROGER SCIIIICKEDANTZ / I/ I/,' y _ 5 DRAINAGE EASEMENT ! A v D.B. 1214 P. 461 { I I • I 55 1` 5 a.-' SSSdB 55553 55490 _ 5541 SSz.yo._, - ¢.33 5o.zo 49 3� 5479z 4 7�:� _ • 54437 4337 >-54z 47 4z 1 5409 54a.z / ! - _ D.B. 629 P. 616 PLAT ! • n i 4 - _ _- _ S- = - I w = -- = / 5 5 A / - - - - V t 1 D.B. 530 0 164 PLAT i )v,rl 75 r - o \ �' I - Sz 7 LU 4 81 -. 1 44J5 4z.75 .54z 4z ,"' / / • . ° Y.: I e _ • J ... ". - -I \ \ : - \ / 46o a4.oy w r n J L-�J L J L V / / 6 LU I-J LJ / •' ! 56B I h 1 v � V A V 73 tOT88 LOT8 LOT oLOT o <-------<- -- ----� \ A A YD16C LOT 84 LOT $5 LOT 86 LOT 87 9 9 LOT g1 LOT9z LOT 93 LOT 94 L� LOTg6 LOT 97 ` -LOT gg LOT 100 54 r / -- - -I--- - - \ s3 4_ - // // / 7 ----- \ W - FFE= - 8Bw' / r / // / -/' 1'--v Ul _j O A V A FFE= FFE= FFE=Ea FFE= ' FFE= FFE= FFE FFE= FFE // / ! / / �� v I. FFE= FFE= -FFE= FFE= I ° / H� \ \ I 1 556.58 6. 8 6. 8 rrr.2, I 553 17 550 5° 548.50 li I ,` I li 545_o8 544 4z 543.08 54175 o V PROPOSED zo' PUBLICv \ 55 5 55 5 / 551.83 549 83 - - 546.42 - - 542-42- - _ I o / � / / v / DRAINAGE EASEMENT 7„ 1AR V I y •.. I^ - --L_ _ / - i / / / / ` V W .. • ' -I - I r 54oTW' 3 1 r ,�� / / / 11 I 1 72 556.0 X 60 556.0 6.0 55z67X z So:oa 548.00x 5445 X z 4z5 X 541 zsx II 66W 1 Q / �0 /.i /./. /.i // 3'. II ( 1 55 x 55475X ' 55 33 3i:Ii 4933X ` 5459zx 439 54z 9z� 1^ - _ ! A\ S(O 71 55� 51.4z Sz33 50,67 49, - - - - - Ssz4z 55z. z • $ .� z. z, 41. 53zs 53 T i O \ I ' • /vi 4 Sz 4z S4 . 54 9 - w ..d - .548.4z 546.00: 547.51 47.00. z.5 4z5a.. 41... 41.0 o. B o • s� I 2� i i / / / / V.. W 1 . a V I H� \ \ 51.z8 P zx. 55111 .SSz 3o g.161x. ... x ...:'8.8zx ..X - x., x X ,'S4 44x 05395 k I• e . 4 • 4338- ___ - - 11 / - - - / PROPOSED WALL (MAX. HEIGHT=3' / _ . , - -- - - - -u - - 0 o YD1 , / v / / / / v, ` .� / v BENCH MARK IS \ 548 NOTE: CONTRACTOR TO INSTALL PRIVATE 8 0 �• / / w ; \ LL.I r n Aproximdte ( ' - I f: / / i o, `, / \ CHARLOTTESVILLE GI 1 V Va Public Servi e E °D" Yw... PROP RAIN LINE FOR ROOF &FOUNDATION DRAINS zA 0 / / \ smt. \ 554 I YCt16 OSED SWM ACCESS & O WITH 1o' PRIVATE DRAINAGE EASEMENT _ - T o / -- ----- / / \ I ` ' "°�, \ROU E-SIRINE I / D.B.221 P305 ! �Bwl.. I FACILITY_EASEMENT _ t N -----1--------r-- ------------- - -' - �'�. z i TV. PROPOSED' ACCESS & II ATI N 105 / Pol I\ -c• ' . , - -- - -.- FACILITY EASEMENT _ z i - - - /882993.340 Y SWALE ----1- - - i / / w I 11z - 8234.683 CD �.., N OHE OHTV _ j 4r / PROPOSED DR=---_-_-y _ ----- --- --____-- L YD16A \ \ v tLEV I6 527.7± el, -I - SSo l----�-------- -- ----- -- -- -- -- - ,-� --- - �-- ---- - ELEC / Elec. }lone / { N • SSo 548 - a a y-- -- -- --- ----------- ---- 00 I \ \, / ON 60 - - - - - ----- ---- -- - - - - - - - - - - _ PROPOSED UNDERGROUND STORMWATER ee.&�one 1 IV 1 ; - 0 LU - -- U.S. RT 20 80' S _ _ u - s - w _ g8 ° _ 6 ) COTTSVI L R D (55 ) r-- -9 rr _ s� a � - 1 ------- --\ - - S,2 - JOB NO. ------------------ - / hho------------- ---- T------------- 1--�3APHIC SCALE s 112066 ---------- 0 Li m.- - + --- MAILBOX OT-6001 / ❑ / / / / / / m ✓ / / N /---------------- 30 0 16 30 eo- _ - - - - 556.5o / o� / MAILB X - r - - _---- - 'sc ' �► �► s_ _ __ ------ - / o \-_ aN \ / o GN ----- --- - __ _ zo - - - / - ---- III SCALE L ��_- ---- / �\ // _ __ -- ---- -- - )HT OHTV/ - MAILBOX\ ` / / _ _SHEET NO. -- -� sso ��� --- �- _ Fil __OHTOHN \ OHTOHTV \ �� \\ Pole �l /Phone / / - ---- - -------- me -moo .-- --- _ MAILBOX _ / - INVIN \ o -- --,--- \9_i / z MAILBOX i-� tt - --� 1 14 PROPOSED 20' PRIVATE I $4 DRAINAGE EASEMENT 44 -�- IH T -SCOTT R. LINS Z _ U No. 35791 \ Ogg / / / / / / _ / /' g' \ I \ \ °� 06/12/20�4 IOINVA / / _ i \ i / /� _ / ✓ / //' �/ N z / /� / // / - S16°40'02"W \I \ n 'GRAPHIC -SCALP ' -09(3 ,'_ / 42 0�9119.3I'(tie line) \ ��/'I //JO - / 30 i - 0 15 / 30 60' \ / i / 120 i ' / /' • / / ' V / / O - ' / Igo/ - 3 /-- II ° �6 / 6z4 \ o �I-- - �--r inch = 30 ft. I I / PR , k vv66ROPOSED 1o'PRIVATE ZRAINAGEEASEMENT 623gZb 0624 m w622 6 )POSED WALL (MAX HEIG6BTw D6zo =a zLu Co En - O f / - / /� //T _ - I 3oTW I \ 'A w o, j.. f / YD8 30 YD86 \ II 6z4BW / I I I I - --- --- \ / \ f 6 - 11 H O a w o / / ' // /' / , " m ' 'sO / FFE 'FFE \ ROPOSED WALL MAINTENANCE EASEMENT / / I I I in f Ln / / / / PROPOSED YARD DRAIN SYSTEM FFE= 622 84 r \ \ _ / I I I I I --- ------ / / / / JEDB14254 P�1�18 /// //// / / / / / -i_ :'`r i / 620.8 Sz1 1 1 6215 6zz.17 z6Tw\ \ - ---' --- w < o / / / / Y. / 5 BSMT= SMT- I 6-�Bw \ I Q ' ---- i 6 4 61 0 \ F- , / SMT=" 3. o II I I PROPOSED 10 PRIVATE i ,'' /619 � � BSMT I 7 I � \ I �j I I y ..9- . .-611.67 611.6 612. 3 2 \ I \ \ DRAINAGE EASEMENT / 62� / 6�9 0O 611.6 L PROPOSED WALL I I z k o 7 21 LOT 31 1 161267 3 biz oo \ ` \ MAINTENANCE EASEMENT T33� 1 61133 I -_ . �' \ 33 6ii.33 'p m -o . \ / - - - - - - - I'9ti9--- --_ 0b9 MTJ � � - -� -- --� � � � /9 / //^ 38 %- / / �.� 7 63 � � �_ 4 611.E � � 09:83 .••�= ':.' i -/ I I '� a .. ��I � /--�-_-- -`� -- \ � ///. / _- - --- � �% _ SMT= zo 6O /• i.. '-rI fiz ZJ I\III I I c _ FE 612E W \ \ I I W I I p ) o ` � � / // i -- - � �•- �j / / �i' �- / 6 �5.00 .-6� �` A 620.84 i i � o .p6 � �6io 35EP 2+5 \ \ \ \III I O ll II \I I p -6zo.8 48 �� �o \ \ \ TMP 90-35A� o T 4 ---- - -- - \ o BSMT- 10 60j' 1 \ \ V A LOT42-- ---I ti VAR. WIDTH PUBLIC FFE= FFE FFE FFE= 0 611. 0� °9� / / / Y - �I \ VAAVVAAA? \D. . 1026 P. 715 / I 1 I I I I \ w o o DRAINAGE EASEMENT 33.84 _ 631' 7 6z8.5o \625.84 toio.67 a j - - ,` t 3. \ \ \ \ \ R b7 P. 234 PLAT ni / J \ I/ �\ / PROPOSED VAR. WIDTH PUBLIC _ y 8 BSMT= \\ o E 6z1. 616 00 a / 608 \ \ \ \ \\ \ u ID I _ 6�/ �6z .00 3 - o . • / { 4 - 7 \TW --- s 1 I I 618.6 I- / I\� � � I ,' \ \\ \\\ \\\ \ / I \ I \\ \ \ /• /' Ib2j L 11 y of j �, /LJJ� 10 \\ 4 LO oI Q 39 \ 7z /' YD \6o6BW\ l \ / \ ., \ • \ • >I - `czs. - - � �° j�' � 6 �r''``�� �.�' / � // .LJ � �/--> LOT �8 II I �I �j \\ \ \ \ \\\ \\\ I \ w I \ \ YD7 J i 1 � ' � - _ - _ �''�'% - ` • ,;.,• o �'<:z / ��' - � 6 .°° - (v�9. 3 z \ ` . � �. a / 45 , ' ! . I LI I / _ 4 , � i l \ \ \\ \ \\ \o\ \\\ 1 \\ � \\ \ \ I `= 614.88 // / i / � / � / / \ � 36 _- - - / / �/ _�i�/"/r / \ 63oH6s- .A .• f/ J V,. P��� -1 �_------ - --- •�f/ _a_+o0 s _• . -' ` v\ ,. 1 - _ � o�- - • 8 coq�,/,wxSb%O -` / • // 'i' i // / /' !11 . I 11r -/1I "'pprFE-- 607 00 �5606 0 I "+Trl II \\ .\ \ \\ \\\ \ 1\\ \\\wvo600 \60 6.00\ \ \ \v v\ v\ \ A \ \\ \ rO\ 3zA \\ A\CIO \ROPOSED WALL MAINTENANCE EASEMENT (y) >3 j6o5°° I Go39s \ \ \ VAAVA\\IIAAIAA vvi vv N a �� PROPOSED STORM 3 �� DRAINAGE EASEMENT 5.33 IzOT 6 J G SEWERSYSTEM p viV V A\ VA\ hI I II _ � _ - I-__ /// .N � _;- aQ � -'� :6z�6&.,_ .. •.. •.:...A \ • ..I: I,,� � ! \ / ° ICI. T 5r I � V A \III III III I I // �� � �� -- M a LOT % _ � / � / 2 i � J�`' __ z '.`: y; •. �`� �' � NOTE: CONTRACTOR TOINSTALE8" / / � � 4' V I \ I I \ VA AV A I \ / � � I/ //o� _- - - ✓ 'a.. 3�g. _ S.4o_ zz.y bz8.43 - \ �� L PRIVAT 60333 ' s'k + I it V I 1\ \V A 1VA 1VA / fl N - - - - � o FE / - -- - F/ 7 t - 5 7 _ / DRAIN LINE FOR ROOF &FOUNDATION DRAINS dI 1 V A A \ V A A A VA VAA VA l v 6zg.00. 1 631.33 / - v V WITH 10 PRIVATE DRAINAGE EASEMENT - / 60100 - - - � Lu �ZI / BSMT= x 600 FFE- 599s o� V A A oA AA\�AAVAAAVAA\ i / li //� _ 6z1. o g9z.00�w\ N _ x 5 FFE- it 6z5.5g C / � f `d. A 592.00fW ' _',,'�- /i �"_'/`��L_-9- _- - ''�•\ P_. - _�- -- _° - _ _ - IIII Ir � I I / �1- - / - - -/ - - --V �3vA � \-. 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C PROPOSED VAR. / / L FFE= 5 0 00 589 zz' I 8 00 \ \ \ \ \ \ I 1 0 w s YD13H - / a 9 s \ - - _ WIDTH PUBLIC / 59°33 LOT I 4t 57s.00Bw \ \ \ ur9p n PROPOSED VAR. WIDTH PRIVATE °2 -- - YD1 F YD1 G \ DRAINAGE EASEMENT 59 \ / �� 590.00TV\ \ \ \ I - YPi E. _ 3 3 5g_ z - a .00Bw \ \ \ \ \ I U _ DRAINAGE EASEMENT- - o - - YDi D - _ /I / OT g H 5 4 \ \ \ \ _ O ��--- PROPOSED -YARD DRAIN SYSTEM / � � 3 / - 3- g6- 9 1 \ � \ \\ 20' i /FFE= 588 00 S86 9 �' : I I v: \ \ \ \ \ \ \ \ \ \ \ I � � � \ o YD13J 598 \ 5 YD13P 6o6 - - 596 - - ` ` \ \ \ \ \ \ \ \ \ �LJ `/ J _ o I - - Ha.00lw \ \ 1 o L \ YD13C � M�«K kl T 14� I - /11 I OT 1S- li i i \574.00aw� E I - - \ YD7 O _ \ i �7 592.0 / .. _: I \ \ _ - 3 ,"5 2- --�' - - i I I I I • ��FE= 5s6 00 sa4 7 �' 5ab.00rw v v v v v � � Q � -o _ - - YD1 B i� T / / ! I 586. 9o.o0BW \ \ \ \ J o ' I 3 590 - 9T5 _1 // CCZTSg CO3riz LOT L T5o r_ 3 �I s \ 4 v I - - v. - r FFE= -FFE= FFE- u / 3 L \ \ \ \ \ \ (� J z - � I � PROPOSED VAR. WIDTH PRIVATE �- 2 / 4 .FFE= fi� n I \ \ \ \ I � � � _ z I �.58$ sa9.00 59 I` O PROPOSED SWM ACCESS DRAINAGE EASEMENT / 2.00 59133 590.67 590.0o L6T I r \ \ I - H PROPOSED VAR. WIDTH PRIVATE a .on-= - - - � � 'FFE= 2.6 �59 I ; ' �• I FFE= /gz I \ � � & FACILITY EASEMENT _ S8 L'OT / = / 592.67 BSMT= I BSMT= r BSMT- BSMT I r 584 0o s \ \ \ \ \ / DRAINAGE EASEMENT 5% FFE- -59333 BSMT= - / / 8 +I E \ \ Lu / Z \ FFE= - / 58z.16 r 58i 49 1 580.83 580.16 I 1 5 433; a% PROPOSED zo' PRIVATE CD z LOT 58 593.50 \ I - BSMT= 1 582.83 8a.8 I P 7 / L DRAINAGE EASEMENT \ \ I \ Z w w / C . TW 5s8 ' - 80 - - 592.83 /BSMT= ` 8 . o I \ s 3 \ sa116 - L!J \ \ I - - \ \ \ J -' FFE i\ 5 . 5 i r- 58z.5o I x I--- � I-_ 58o so 379 83 -r I � 6� � \ _ I / LAT �6 I \ \ \ ` \ \ \ � \ \ rn / 59 B.S.MT= 583.67 / 1 5931 LOL6o 83 7 rI --- - 8\ FFE= s8z 33 I bao z3,I �., 5e°ow 0o5.0o FFE-�BSMT= s8z.67 6.oB\ U J oz FFE- 590.83 7 / I• 5ao.00Tw \ \ \ \ I \ \ 588.83- BSMT 58a.33 c,. 1-. I _560:47 --g.65 ;37 87 578r4 - 16A /• L 580 : I: 574.00Bw \ \ \ \ \ \ \ o PROPOSED1oPRIVATE YDBA \ / �� 1 - -_\ -/ ---- Lu DRAINAGE EASEMENT Tw s /' - 5 _ O- / � > " LOT 6i � 79� , • • _ _ y PROPOSED WALLS HEIGHT / o / - - ,�5813g •• / 't :'S q / : 6 / \ \ \ \ I _ - - - _ IL �f a � (MAX( � 1 6-� . � 577.00 - h\ / ;�- ..� .50 Q - �- -- �c / �7 \ � \ \ \ \ \ \ \ � � � , \ \ J Q - \ / ' PROPOSED VAR. WIDTH PRIVATE �5 ° 5✓ /•' / / - 15+00 \ o \ _ = / - -� - �- -I PROPOSED WALLS \ \ \ DRAINAGE EASEMENT 79 y-i - - - _ -: 166 �4 „ + -- sRROPOSED STORM 1 / w I (MAX. HEIGHT \6') \ \ \ \ \ \ x FIFE YD13 IJ / e / 0 � - _ -" - 16+50 , I SEWER SYSTEM / \ \ I - \ \ \ C) YD12B i - - - 5j66j \ \ 78.zo� _ \ \ - 1 L i 574-33 / / T R / / / 64 l 566.00TW \ \ \ W° \ N 5280 70. //. / %X ,/' -k ,� / + ® 6o.00BW---\ �_ \ - � \ TW >� . 33 �� \ --�--� � o LOT 6 LOT 62 / r ` / / a s7 79 57a.zz r 67 l 400TW\ / PROPOSED 8" YARD/ y � � 3 - - - _ y� ,. � Sgor' / • \:5 0.05 --- - - - r .- / �- \0 1 ^� I / I 68.00Bw DRAIN SYSTEM • 5 � �9 '� � � 3 J / �' " FFE / - I m i 94 ' .• / _--- r $ 79.00- I 574. I I \ \ \ \ I � � - -- 1z /F 9 \\ \ \ 570 571.6] o � u >57355' PROPOSED o ROPOSEDio. ' fl/PRIVATE -571.: o DRAINAGE EASEMENT w Uw= � 6z.00TW i ' - - \ \ JOB NO. 0 9 / 573o5oB �' \ ' / \ DRAINAGE EASEMENT I 570 5 S \ \ 0 / 57 5 - `= f ✓ r \°l \ / / r j FFE= / 6g.6 ISo 557.00BW\ 60 \ \ \ - - i \ \ o --- YD12A "' t 76.68' / / 1 \ \ \ 112066 57o so o. - ------ 57075 0° / PROPOSED STORM 3�6% : 579 67 / / \ \LOT81 L9 LOT 83 / j 570.00 LOT 1 zvo l I L 57o.00rw ----\ \ ' I (� 57_ 33 �\ x ° , /�- - ` \ '-LOT 80 FFE= 580.00 / ' s64.00ew \ - - - - - - - T - - - - � - - o PROPOSED 3' DECORATIVE WALL I 0`b f - - \ ti� x 5 574 \ \ FFE= 581.33 BSMT= 570.17 FFE= 57933 / LO 17 63 W �- - - - - - \ / 5g0 \ \ \ \ \ \ 1sca�e EWER SYSTEM (NOTE: WALLS 3 1N HEIGHT OR LESS D 6 ✓ LOT \ FFE- 82.00 / 1' \ 574.06 / m 7 79 - S BSMT= 571-50 BSMT= 569.50 I FFE= \ NOT REQUIRE RETAINING WALL PLANS' I r FFE- .\ /: a ' / \ c BSMT- 2.16 -LOT-8z- ° ss7b7 -30 a / \t � _ 57033 / �\ Ste. �' s° t / FFE= 580.00 1\r \ - � / / i I I I 5 7% \ \ � - - - - - - - - � � � � ` - SHEET NO. o / 1 0 i. o / L p PROPOSED WALL MAINTENANCE EASEMENT 1 I � - - 570 00 • ! �_ i ..• • . /�a ,i / /- PROPOSED VAR. WIDTH PRIVATE / � - - /s7z 5I Cir- oLOT 64 - - 1 92 i / 78 / BSMT= 570.17 DRAINAGE EASEMENT 15 F