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Home My WebLink AboutWPO201700041 Plan - VSMP WPO VSMP 2017-06-02OWNER/DEVELOPER: 07600-00-00-05200 07600 -00 -00 -052ND TOTAL PROPOSED FORE FARM, LLC JOSHUA OR MALLORY WHITE R-4 DENSITY 195 RI VERBEND DRIVE 1179 SUNSET AVENUE EXTENDED OPEN SPA CE. 3.96 CHARLOTTESVILLE, VA 22911 CHARLOTTESVILLE, VA 229903 ENGINEER: COLLINS ENGINEERING OFFSITE DISTURBANCE: 200 GARRETT ST, SUITE K EROSION & SEDIMENT CONTROL NARRATIVE & DETAILS CHARLOTTESVILLE, VA 22902 BUILDING HEIGHTS. (434,)293-3719 TAX MAP NO.: 076Q0-00-00-05200 (D.B. 4568, PG. 582) EROSION & SEDIMENT CONTROL PLAN DETAILS 07600 -00 -00 -052ND (D.B. 4391, PG. 463) STORMWATER MANAGEMENT PLAN REAR: MIN. 20' REAR SETBACK, NO MAXIMUM SETBACK PROJECT AREA: 10.40 AC ZONING. R- i RESIDENTIAL, ENTRANCE CORRIDOR (ARB APPROVAL REQUIRED) DENS/ TY- i R-4 ALLOWABLE DENSITY FOR STANDARD LEVEL SUBDIVISION STREETS. CLUSTER DEVELOPMENT 4 D. U./AC. WA TERSHED: PROPOSED BONUS DENSITY- 57. INCREASE FOR MAINTAINING OVER 107 EC -2 DITCH OF THE EXISTING TREES ON THE PROPERTY. AGRICULTURAL/ FORESTAL DISTRICT.• NONE 4 UNITS/ACRE x 1.057 BONUS INCREASE = 4.2 UNITS/ACRE TOPOGRAPHY PROVIDED BY A COMBINATION OF ROUDABUSH, GALE AND ALLOWABLE UNITS = 4.2 UNITS/ACRE * 10.40 ACRES = 43.7 UNITS PROPOSED DENSITY - SINGLE FAMILY DETACHED: 19 SINGLE FAMILY A TTACHED: 23 TOTAL PROPOSED OTS: 42 R-4 DENSITY 42 D.U.110.40 AC. = 4.04 D.U./AC. OPEN SPA CE. 3.96 A C PRESERVED SLOPES: PRESERVED SLOPES EXIST ON THE PROPERTY AND ARE SHOWN ON THIS PLAN. MANAGED SLOPES. THE MANAGED SLOPES EXIST ON THE PROPERTY AND ARE SHOWN ON THIS PLAN. OFFSITE DISTURBANCE: NO OFFS/ TE DISTURBANCE IS PROPOSED WI TH THIS PLAN. SUNSET A VENUE EROSION & SEDIMENT CONTROL NARRATIVE & DETAILS EXTENDED SHALL BE UPGRADED WITH THE WINTERGREEN FARM PROJECT. BUILDING HEIGHTS. MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35 FEET SETBACKS.- FRONT.• MINIMUM 5' FROM THE R/W AND MAXIMUM 25' FROM R/W EROSION & SEDIMENT CONTROL PLAN DETAILS BUILDING SEPARATION: 10' STORMWATER MANAGEMENT PLAN REAR: MIN. 20' REAR SETBACK, NO MAXIMUM SETBACK STORMWATER MANAGEMENT PLAN DETAILS SIDE. NONE (SEE BUILDING SEPARATION) FRONT LOADED GARAGE: MIN. 18' FROM R/W EC -3A DI TCH SIDE LOADED GARAGE. MIN. 5' FROM R/W SUBDIVISION STREETS. CURB & GUTTER WA TERSHED: THIS SI TE LIES WI THIN THE MOORES CREEK WA TERSHED, WHICH IS NOT A EC -2 DITCH WATER SUPPLY WATERSHED. AGRICULTURAL/ FORESTAL DISTRICT.• NONE TOPO & SURVEY.• i TOPOGRAPHY PROVIDED BY A COMBINATION OF ROUDABUSH, GALE AND ASSOCIATES AND LOUISA AERIAL SURVEYS INC., JANUARY 2014. THE + BOUNDARY LINE INFORMATION IS PROVIDED BY ROUDABUSH, GALE„ AND _ _ _ _ _ ASSOCIATES. INFORMATION FIELD VERIFIED BY COLLINS ENGINEERIING JUNE a- 2015. DA TUM: NAD 83 EXISTING VEGETA TION: MAINL Y WOODED LIGHTING: NO LIGHTING IS PROPOSED PARKING. (2) OFFSTREETPARKINGACES PER EACH SINGLE FAMILY DETACHED AND LE FAMILY A SIN(1) PARKING SPACE PER 4 SINGLE FAMILY A TTA CHED UNITS REQUIRED. 23 SFA/4 = 5.75 (6 PARKING SPACES REQUIRED) 7 ON STREET PARALLEL PARKING SPACES PROPOSED PHASING: NONE. PROFFERS. NONE. BUILDING SI TES: EACH PARCEL CONTAINS A BUILDING SITE THAT COMPLIES WITH THE REQUIREMENTS OF THE ALBEMARLE COUNTY ZONING ORDINANCE. BURIAL SITES. NO CEMETERIES WERE FOUND DURING FIELD INVESTIGA TION OF THE SITE. STREAM BUFFERS. NO STREAM BUFFERS ARE LOCATED ON THIS PROPERTY PER THE ALBEMARLE COUNTY WATER PROTECTION ORDINANCE RECREA TIONAL AREAS.- A TOT LOT WITH A MINIMUM AREA OF 6,000 SF IS PROPOSED OA✓ THE PROPERTY. THE REQUIRED AREA FOR THE TOT LOT lS 200 SF x- (23 MULTI—FAMILY UNITS) = 4,600 SF. THE MINIMUM TOT LOT AREA IS ACHIEVED WITH THIS PROPOSED DESIGN. THE TOT LOT SHALL MEET THE MIIN/MUM REQUIRED TOT LOT AMENITIES AS SPECIFIED IN THE ALBEMARLE COUNTY ZONING ORDINANCE. RETAINING WALLS RETAINING WALLS ON THE PROPERTY SHALL HAVE A MAXIMUM HEIGHT OF 10. LANDSCAPING. STREET TREES ARE PROPOSED ALONG THE NEIGHBORHOOD STREETS IN ACCORDANCE WITH ALBEMARLE COUNTY LANDSCAPING REQUIREMENTS. TRASH: EACH LOT SHALL HAVE ITS OWN INDIVIDUAL TRASH RECEPTACLE. IMPERVIOUS AREAS: PROPOSED ROAD WAY.• 0.99 AC PROPOSED SIDEWALKS. • 0.25 AC PROPOSED ATTACHED HOMES 0.78 AC. PROPOSED DETACHED HOMES: 0.57 AC. TOTAL 2.59 AC. NOTE: THIS PROJECT IS NOT LOCATED WITHIN A DAM INUNDATION ZONE. i TOTAL AREAS (10.40 ACRES ON THE PROPERTY) OPEN SPACE. ;3.96 ACRES R1W. 1.43 ACRES LOTS. 5.01 ACRES NOTE. ALL OPEN SPACE WITHIN THIS PROJECT SHALL BE OWNED AND MAINTAINED BY THE HOMEOWNERS ASSOCIATION NOTE: OF THE 3.96 ACRES OF OPEN SPACE ON THE PROJECT, APPROXIMATELY 2.52 ACRES INCLUDES PRESERVED SLOPES AND OPEN SPACE DEDICATED FOR STORMWA TER MANAGEMENT USES. i 1 1 1 A 0 far111,91 ... I - mr—M SAMUEL MILLER DISTRICT ALBEMARLE COUNTY, VIRGINIA t \ it Lam, NOTE: THE TOTAL PROPOSED TREE PRESERVATION AREA ON THE PROJECT SITE IS 2.52 ACRES (24.29). TOTAL AREA OF TREE PRESERVATION OUTSIDE OF THE PRESERVED SLOPES IS 1.11 ACRES (10.7%). SHEETLAYOUT SCALE: 1" = 100' m Av 780 d�4 781 VICINITY MAP SCALE: 1" = 750' Sheet List Table Sheet Number Sheet Title COVER EXISTING CULVERT EXISTING CONDITIONS - GRADING & DRAINAGE PLAN -4-- GRADING & DRAINAGE PLAN -5 EROSION & SEDIMENT CONTROL NARRATIVE & DETAILS -E- EROSION & SEDIMENT CONTROL PLAN PHASE I 7 EROSION & SEDIMENT CONTROL PLAN PHASE II -R EROSION & SEDIMENT CONTROL PLAN DETAILS 9 STORMWATER MANAGEMENT PLAN - STORMWATER MANAGEMENT PLAN DETAILS 3 TOTAL SHEETS LEGEND APPROVED by the Albemarle County Community Development Department Date 17 _ File--j,✓j4Z017o - zR 0�l ,i �l O fsCOTT R. COLLINS'7 U Lic. No. 035791 i okl 1�0�Ail'�SIIOIVAL Evm6l z 0 z r~ v U)m LU c) cn 'y t/1 L H Uj ce LUh r Ul Z w U wt— ® wLIJ rL Z m � JOB NO. 152115 SCALE 111 = SOI SHEET NO. 1 ROADS -^ -� EXISTING CULVERT CUL VERT �i DROP INLET & STRUCTURE NO. CURB CURB & GUTTER PROPOSED PAVEMENT EC -3A DI TCH 6» DEPTH OF EC -3A DITCH EC -2 DITCH I 6" DEPTH OF EC -2 DITCH EARTH DITCH DRI VEWA Y CUL VERT + BENCH MARK _ _ _ _ _ CLEARING LIMITS a- VDOT STANDARD STOP SIGN zcc EXISTING CONTOUR 20o PROPOSED CONTOUR 240.55 PROPOSED SPOT ELEVATION f - TBC DENOTES TOP/BACK OF CURB TAB DENO TES TOP OF BOX APPROVED by the Albemarle County Community Development Department Date 17 _ File--j,✓j4Z017o - zR 0�l ,i �l O fsCOTT R. COLLINS'7 U Lic. No. 035791 i okl 1�0�Ail'�SIIOIVAL Evm6l z 0 z r~ v U)m LU c) cn 'y t/1 L H Uj ce LUh r Ul Z w U wt— ® wLIJ rL Z m � JOB NO. 152115 SCALE 111 = SOI SHEET NO. 1 DENOTES SWM FOREST AND OPEN SPACE EASEMENT & TREE PRESERVATION /WOODLAND PRESERVATION z PROPOSED SWM FOREST _l 4- O rrwwrw 1T P!\I w 1/"I r%C(' 1' l', �' .k':� � .�'.'` a.,. _ .....': . i i.._.. r _ _ J ~ d H �..� LUU z N i) H LU i ui STORMWATER MANAGEMENT NARRATIVE IN GENERAL, THE PROPOSED PLAN UTILIZES A CLUSTER DEVELOPMENT THAT MINIMIZES LAND DISTURBANCE AND MAXIMIZES OPEN SPACE PRESERVATION. THE DEVELOPMENT ACHIEVES WATER QUALITY COMPLIANCE THROUGH THE EXTENSIVE LAND PRESERVATION PROPOSED AND THE USE OF TWO LEVEL 1 BIORETENTION BASINS. THE PLAN ALSO IMPLEMENTS CREATIVE DESIGNS CONSISTENT WITH THE ENVIRONMENTAL SITE DESIGN (ESD) TECHNIQUES OUTLINED IN THE JULY 2013 DRAFT VSMH. EXAMPLES INCLUDE THE CONFIGURATION OF THE ROAD/LOT LAYOUT TO MINIMIZE ITS IMPERVIOUS FOOTPRINT AND THE ALIGNMENT OF THE ROADS HORIZONTALLY AND VERTICALLY TO REDUCE GRADING IMPACTS. THE END RESULT IS A DEVELOPMENT THAT REQUIRES A MINIMUM PHOSPHOROUS LOAD REMOVAL OF 3.91 lbs/yr. THE PLAN, AS CURRENTLY PROPOSED, REMOVES 3.98 Ibs/yr. PLEASE SEE THE ATTACHED VRRM CALCULATIONS FOR EVIDENCE OF THIS COMPLIANCE. STORMWATER QUANTITY COMPLIANCE WILL BE MET THROUGH THE USE OF A DETENTION CELL IMMEDIATELY DOWNSLOPE OF THE PROPOSED BIORETENTION BASINS' FILTER CELLS. THIS DETENTION CELL WILL DETAIN SUBAREAS A & B. General Construction notes for Stormwater Management Plans 1. All dams and constructed fill to be within 95% of maximum dry density and 2% of optimum moisture content. All fill material to be approved by a geotechnical engineer. A geotechnical engineer is to be present during construction of dams. 2. Pipe and riserjoints are to be watertight within stormwater Management facilities. 3. For temporary sediment traps or basins which are to be converted to permanent stormwater management facilities; conversion is not to take place until the site is stabilized, and permission has been obtained from the County erosion control inspector. Total Proposed Impervious Areas Roadway 43,222 sf Sidewalk 10,964 sf Residences- Attached Homes 33,940 sf Residences- Detached Homes 24,700 sf 112,826 sf Subarea 'A' Impervious Areas Roadway 20,219 sf Sidewalk 4,096 sf Residences- Attached Homes 33,940 sf Residences- Detached Homes 2,600 sf Existing Impervious Areas 9,275 sf 70,130 sf Subarea 'B' Impervious Areas Roadway 23,003 sf Sidewalk 6,868 sf Residences- Detached Homes 5,200 sf Existing Impervious Areas 7,200 sf 42,271 sf NOTE: THE SWM FORESTAND OPEN SPACE EASEMENT IS SUBJECT TO THE GUIDANCE SET FORTH BY THE DEQ IN THE VIRGINIA STORMWATER MANAGEMENT PROGRAM. THE AREAS WILL REMAIN UNDISTURBED IN A NATURAL, VEGETATED STATE, EXCEPT FOR ACTIVITIES AS APPROVED BY THE LOCAL PROGRAM AUTHORITY, SUCH AS FOREST MANAGEMENT, CONTROL OF INVASIVE SPECIES, REPLANTING AND REVEGETATING, PASSIVE RECREATION (eg., TRAILS), AND LIMITED BUSH HOGGING TO MAINTAIN DESIRED VEGETATIVE COMMUNITY (BUT NO MORE THAN FOUR TIMES A YEAR). SCOTT R. COLLINSZ Liic. No. 035791,E IONAL Z 0 Z a 0 Z"� Uj m D 0 Z cn Z 0 LLJH H W ce UJ ' Ln