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HomeMy WebLinkAboutSDP201800008 Plan - Approved Initial Site Plan 2018-04-26I in 01 F , 11 W %4 In 01 �m iWEI®11 111 MMq.� I ISPI Cover Sheet ISP2 Notes, Abbreviations, & Legend ISP3 Existing Conditions Plan ISP4 Layout Plan TSPS Grading Plan ISP6 Sanitary Sewer Profiles ISP7 Preliminary SWIM Computations and Narrative ISP8 Sight Distance Ron &Profile ISP9 South Pantops Dril%,.c4 Typical Section & Warrant Analysis ISPIO Critical Slope Exhibit CURRENT DEVELOPMENT PLANNER ZIA0119 91 avi1191:1L,71 1:1 ON 11111:3 ilk Lei 1011:34 ALBEMARLE COUNTY SERVICE AUTHORITY FIRE OFFICIAL BUILDING OFFICIAL VIRGINIA DEPARTMENT OF TRANSPC RATION Submittal -type Reviewed and Approved by the ��m i�r�ixy eve' pment Department ment Date - __- _ t Frl - - r � _ eves Tn 0 F. 8 Lie X. TVo. 33()228 G 03-05-2018 0 DOM.PROJECT , 0 0.' `r3 e . I S P I .r F 0 tii tt i Y a SITEk i 4 "Y S i ,yd i.s Y.7 l d i i i it s. por:;­X::�:: � r Boom@ ISPI Cover Sheet ISP2 Notes, Abbreviations, & Legend ISP3 Existing Conditions Plan ISP4 Layout Plan TSPS Grading Plan ISP6 Sanitary Sewer Profiles ISP7 Preliminary SWIM Computations and Narrative ISP8 Sight Distance Ron &Profile ISP9 South Pantops Dril%,.c4 Typical Section & Warrant Analysis ISPIO Critical Slope Exhibit CURRENT DEVELOPMENT PLANNER ZIA0119 91 avi1191:1L,71 1:1 ON 11111:3 ilk Lei 1011:34 ALBEMARLE COUNTY SERVICE AUTHORITY FIRE OFFICIAL BUILDING OFFICIAL VIRGINIA DEPARTMENT OF TRANSPC RATION Submittal -type Reviewed and Approved by the ��m i�r�ixy eve' pment Department ment Date - __- _ t Frl - - r � _ eves Tn 0 F. 8 Lie X. TVo. 33()228 G 03-05-2018 0 i DOM.PROJECT , 0 INDEX TITLE: I S P I .r i Y a i a i i i � r Boom@ i DOM.PROJECT , 0 INDEX TITLE: I S P I .r i DATE: 03/05/2018 DOM.PROJECT , 0 INDEX TITLE: I S P I DATE: 03/05/2018 LEGEND EMST PROP DESCRIPTION PROPERTY LINE ADJACENT PROPERTY LINE VACATED PROPERTY LINE _ -- -- EASEMENT r} BUILDING SETBACK -- BUILD TO LINE ® ZONING UNE LIMIT OF DISTURBANCE FLOODPLAIN LIMIT BUFFER ZONE --- -- - RMA - RESOURCE MANAGEMENT AREA PPA - -- - ---- RPA - RESOURCE PROTECTION AREA •1BEBUILDING ENTRANCE LD LOADING DOCK s BOLLARD DUMPSTER PAD - SIGN CONTOUR INDEX CONTOUR N... 1. THE CONTRACTOR IS REQUIRED TO OBTAIN ANY/ALL PERMITS REQUIRED FOR CONSTRUCTION OF THESE PLANS. 2. ANY TIME WORK IS PERFORMED OFF-SITE OR 1MTHIN AN EXISTING EASEMENT, THE CONTRACTOR IS TO NOTIFY THE HOLDER OF SAID EASEMENT AS TO THE NATURE OF PROPOSED WORK AND TO FOLLOW ANY GUIDLELINES OR STANDARDS WHICH AIRE ASSOCIATED WITH OR REFERENCED IN THE RECORDED EASEMENT. 3. THE CONTRACTOR IS TO CHECK THAT ALL EASEMENTS, LETTERS OF PERMISSION, ETC, ARE RECORDED/OBTAINED (PRIOR TO THE START OF ANY CONSTRUCTION. 4. CONTRACTOR TO VERIFIY ALL SITE PLANS AND PROFILES AND DETAILS FOR CONSISTENCY AND IF CONFLICTS DO M, CONTACT ENGINEER FOR CLARIFICATION AND/OR DIRECTION. INTERPRETATION DETERMINED BY CONTRACTOR SHALL BE DONE: AT HIS/HER OWN RISK. 5. THE CONTRACTOR IS TO VERIFY THAT THE RELOCATION OF ALL EXiSITiNG UTILITIES IN CONFLICT WITH PROPOSED (WORK HAS BEEN COMPLETED INCLUDING U11UTY POLES. 6. CONTRACTOR SHALL COMPLY WITH FENCING AND TREE PRESERVA11ON SIGNAGE REQUIRED BY ALBEMARLE COUNTW CODE. 7. CONTRACTOR SHALL NOT RELY SOLELY ON ELECTRONIC VERSIONS OF PLANS, SPECIFICATIONS, AND DATA FILES TiHAT ARE OBTAINED FROM THE DESIGNERS, BUT SHALL VERIFY LOCATION OF PROJECT FEATURES IN ACCORDANCE WITH THE PAPER COPIES OF THE PLANS AND SPECIFICATIONS THAT ARE SUPPLIED AS PART OF THE CONTRACT DOCUMENTS. 8. CONTRACTOR SHALL COMPLY WITH ALL WETLAND PERMIT REQUIREMENTS, IF A PERMIT EXISTS. 9. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL RELOCATIONS, (UNLESS OTHERWISE NOTED ON PLANS) INCLUDING, BUT NOT LIMITED TO, ALL UTILITIES, STORM DRAINAGE, SIGNS, TRAFFIC SIGNALS do POLES, ETC. AS REQUIRED. ALL WORK SHALL BE IN ACCORDANCE WITH GOVERNING AUTHORITIES REQUIREMENTS AND PROJECT SITEWORK SPECIFICATIONS AND SHALL BE APPROVED BY SUCH. ALL COST SHALL BE INCLUDED IN BASE BID. 10. CONTRACTOR SHALL CONTROL STORMWATER RUNOFF DURING CONSTRUCTION TO PREVENT ADVERSE IMPACTS TO OF SITE AREAS, AND SHALL BE RESPONSIBLE TO REPAIR RESULTING DAMAGES, iF ANY, AT NO COST TO OWNER. ARAN ABANDON(ED) ADJ ADJUST AHD AHEAD APRX APPROXIMATE BC BACK OF CURB BFE BASEMENT FLOOR ELEVATION BIT BITUMINOUS BK BACK BM BENCHMARK BS BOTTOM OF SLOPE CB CATCH BASIN CG12 ACCESSIBLE CURB RAMP q CENTER LINE CL CHAIN LINK CMP CORRUGATED METAL PIPE CONC CONCRETE CY CUBIC YARDS C/C CENTER TO CENTER C&G CURB AND GUTTER DIA DIAMETER EL ELEVATION ELEV ELEVATION ES END SECTION EW END WALL EX EXISTING EXIST EXISTING FDN FOUNDATION FIFE FINISHED FLOOR ELEVATION GM GRADE TO DRAIN IFIRON FOUND IS IRON SET LA LANDSCAPE AREA LOD LIMIT OF DISTURBANCE LF LINEAR FEET LT LEFT UTILITY ARV AIR RELEASE VALVE BOA BLOW OFF ASSEMBLY CO CLEANOUT CTV CABLE TELEVISION DI DROP INLET DIP DUCTILE IRON PIPE ELEC ELECTRIC FH FIRE HYDRANT FM FORCE MAIN F&C FRAME AND COVER F&G FRAME AND GRATE GT GREASE TRAP GV GATE VALVE HDPE HIGH DENSITY POLYETHYLENE INV INVERT A PARKING COUNT ic y 3 ® CROSSWALK 12 CONTRACTOR SHALL COORDINATE WITH ALL UTILITY COMPANIES FOR INSTALLATION REQUIREMENTS AND SPECIFICATIONS.Alternatives x 12° FL NEW ASPHALT X ACCESSIBLE CURB RAMP NIC NOT IN CONTRACT tiro HANDICAP PARKING EC -2 BLANKET MATTING X VAN -ACCESSIBLE HANDICAP PARKING N... 1. THE CONTRACTOR IS REQUIRED TO OBTAIN ANY/ALL PERMITS REQUIRED FOR CONSTRUCTION OF THESE PLANS. 2. ANY TIME WORK IS PERFORMED OFF-SITE OR 1MTHIN AN EXISTING EASEMENT, THE CONTRACTOR IS TO NOTIFY THE HOLDER OF SAID EASEMENT AS TO THE NATURE OF PROPOSED WORK AND TO FOLLOW ANY GUIDLELINES OR STANDARDS WHICH AIRE ASSOCIATED WITH OR REFERENCED IN THE RECORDED EASEMENT. 3. THE CONTRACTOR IS TO CHECK THAT ALL EASEMENTS, LETTERS OF PERMISSION, ETC, ARE RECORDED/OBTAINED (PRIOR TO THE START OF ANY CONSTRUCTION. 4. CONTRACTOR TO VERIFIY ALL SITE PLANS AND PROFILES AND DETAILS FOR CONSISTENCY AND IF CONFLICTS DO M, CONTACT ENGINEER FOR CLARIFICATION AND/OR DIRECTION. INTERPRETATION DETERMINED BY CONTRACTOR SHALL BE DONE: AT HIS/HER OWN RISK. 5. THE CONTRACTOR IS TO VERIFY THAT THE RELOCATION OF ALL EXiSITiNG UTILITIES IN CONFLICT WITH PROPOSED (WORK HAS BEEN COMPLETED INCLUDING U11UTY POLES. 6. CONTRACTOR SHALL COMPLY WITH FENCING AND TREE PRESERVA11ON SIGNAGE REQUIRED BY ALBEMARLE COUNTW CODE. 7. CONTRACTOR SHALL NOT RELY SOLELY ON ELECTRONIC VERSIONS OF PLANS, SPECIFICATIONS, AND DATA FILES TiHAT ARE OBTAINED FROM THE DESIGNERS, BUT SHALL VERIFY LOCATION OF PROJECT FEATURES IN ACCORDANCE WITH THE PAPER COPIES OF THE PLANS AND SPECIFICATIONS THAT ARE SUPPLIED AS PART OF THE CONTRACT DOCUMENTS. 8. CONTRACTOR SHALL COMPLY WITH ALL WETLAND PERMIT REQUIREMENTS, IF A PERMIT EXISTS. 9. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL RELOCATIONS, (UNLESS OTHERWISE NOTED ON PLANS) INCLUDING, BUT NOT LIMITED TO, ALL UTILITIES, STORM DRAINAGE, SIGNS, TRAFFIC SIGNALS do POLES, ETC. AS REQUIRED. ALL WORK SHALL BE IN ACCORDANCE WITH GOVERNING AUTHORITIES REQUIREMENTS AND PROJECT SITEWORK SPECIFICATIONS AND SHALL BE APPROVED BY SUCH. ALL COST SHALL BE INCLUDED IN BASE BID. 10. CONTRACTOR SHALL CONTROL STORMWATER RUNOFF DURING CONSTRUCTION TO PREVENT ADVERSE IMPACTS TO OF SITE AREAS, AND SHALL BE RESPONSIBLE TO REPAIR RESULTING DAMAGES, iF ANY, AT NO COST TO OWNER. ARAN ABANDON(ED) ADJ ADJUST AHD AHEAD APRX APPROXIMATE BC BACK OF CURB BFE BASEMENT FLOOR ELEVATION BIT BITUMINOUS BK BACK BM BENCHMARK BS BOTTOM OF SLOPE CB CATCH BASIN CG12 ACCESSIBLE CURB RAMP q CENTER LINE CL CHAIN LINK CMP CORRUGATED METAL PIPE CONC CONCRETE CY CUBIC YARDS C/C CENTER TO CENTER C&G CURB AND GUTTER DIA DIAMETER EL ELEVATION ELEV ELEVATION ES END SECTION EW END WALL EX EXISTING EXIST EXISTING FDN FOUNDATION FIFE FINISHED FLOOR ELEVATION GM GRADE TO DRAIN IFIRON FOUND IS IRON SET LA LANDSCAPE AREA LOD LIMIT OF DISTURBANCE LF LINEAR FEET LT LEFT UTILITY ARV AIR RELEASE VALVE BOA BLOW OFF ASSEMBLY CO CLEANOUT CTV CABLE TELEVISION DI DROP INLET DIP DUCTILE IRON PIPE ELEC ELECTRIC FH FIRE HYDRANT FM FORCE MAIN F&C FRAME AND COVER F&G FRAME AND GRATE GT GREASE TRAP GV GATE VALVE HDPE HIGH DENSITY POLYETHYLENE INV INVERT CONCRETE PAVEMENT / SIDEWALK MAX MAXIMUM Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. X RIPRAP 12 CONTRACTOR SHALL COORDINATE WITH ALL UTILITY COMPANIES FOR INSTALLATION REQUIREMENTS AND SPECIFICATIONS.Alternatives x 12° FL NEW ASPHALT X GRASS NIC NOT IN CONTRACT tiro 12° EC -2 BLANKET MATTING X y ✓. OC ON (ENTER X 12° Bw construction. OH OVERHEAD EC -3 TYPE A GENERAL CONSTRUCTION NOTES FOR STORMWATER MANAGEMENT PLANS: 5. The maximum allowable slope is 2:1 (horizontal: vertical). Where reasonably obtainable, EC -3 TYPE B lesser slopes of 3:1 or better are to be achieved. WETLAND CONTRACTOR'S COORDINATION RESPONSIBILITIES N... 1. THE CONTRACTOR IS REQUIRED TO OBTAIN ANY/ALL PERMITS REQUIRED FOR CONSTRUCTION OF THESE PLANS. 2. ANY TIME WORK IS PERFORMED OFF-SITE OR 1MTHIN AN EXISTING EASEMENT, THE CONTRACTOR IS TO NOTIFY THE HOLDER OF SAID EASEMENT AS TO THE NATURE OF PROPOSED WORK AND TO FOLLOW ANY GUIDLELINES OR STANDARDS WHICH AIRE ASSOCIATED WITH OR REFERENCED IN THE RECORDED EASEMENT. 3. THE CONTRACTOR IS TO CHECK THAT ALL EASEMENTS, LETTERS OF PERMISSION, ETC, ARE RECORDED/OBTAINED (PRIOR TO THE START OF ANY CONSTRUCTION. 4. CONTRACTOR TO VERIFIY ALL SITE PLANS AND PROFILES AND DETAILS FOR CONSISTENCY AND IF CONFLICTS DO M, CONTACT ENGINEER FOR CLARIFICATION AND/OR DIRECTION. INTERPRETATION DETERMINED BY CONTRACTOR SHALL BE DONE: AT HIS/HER OWN RISK. 5. THE CONTRACTOR IS TO VERIFY THAT THE RELOCATION OF ALL EXiSITiNG UTILITIES IN CONFLICT WITH PROPOSED (WORK HAS BEEN COMPLETED INCLUDING U11UTY POLES. 6. CONTRACTOR SHALL COMPLY WITH FENCING AND TREE PRESERVA11ON SIGNAGE REQUIRED BY ALBEMARLE COUNTW CODE. 7. CONTRACTOR SHALL NOT RELY SOLELY ON ELECTRONIC VERSIONS OF PLANS, SPECIFICATIONS, AND DATA FILES TiHAT ARE OBTAINED FROM THE DESIGNERS, BUT SHALL VERIFY LOCATION OF PROJECT FEATURES IN ACCORDANCE WITH THE PAPER COPIES OF THE PLANS AND SPECIFICATIONS THAT ARE SUPPLIED AS PART OF THE CONTRACT DOCUMENTS. 8. CONTRACTOR SHALL COMPLY WITH ALL WETLAND PERMIT REQUIREMENTS, IF A PERMIT EXISTS. 9. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL RELOCATIONS, (UNLESS OTHERWISE NOTED ON PLANS) INCLUDING, BUT NOT LIMITED TO, ALL UTILITIES, STORM DRAINAGE, SIGNS, TRAFFIC SIGNALS do POLES, ETC. AS REQUIRED. ALL WORK SHALL BE IN ACCORDANCE WITH GOVERNING AUTHORITIES REQUIREMENTS AND PROJECT SITEWORK SPECIFICATIONS AND SHALL BE APPROVED BY SUCH. ALL COST SHALL BE INCLUDED IN BASE BID. 10. CONTRACTOR SHALL CONTROL STORMWATER RUNOFF DURING CONSTRUCTION TO PREVENT ADVERSE IMPACTS TO OF SITE AREAS, AND SHALL BE RESPONSIBLE TO REPAIR RESULTING DAMAGES, iF ANY, AT NO COST TO OWNER. ARAN ABANDON(ED) ADJ ADJUST AHD AHEAD APRX APPROXIMATE BC BACK OF CURB BFE BASEMENT FLOOR ELEVATION BIT BITUMINOUS BK BACK BM BENCHMARK BS BOTTOM OF SLOPE CB CATCH BASIN CG12 ACCESSIBLE CURB RAMP q CENTER LINE CL CHAIN LINK CMP CORRUGATED METAL PIPE CONC CONCRETE CY CUBIC YARDS C/C CENTER TO CENTER C&G CURB AND GUTTER DIA DIAMETER EL ELEVATION ELEV ELEVATION ES END SECTION EW END WALL EX EXISTING EXIST EXISTING FDN FOUNDATION FIFE FINISHED FLOOR ELEVATION GM GRADE TO DRAIN IFIRON FOUND IS IRON SET LA LANDSCAPE AREA LOD LIMIT OF DISTURBANCE LF LINEAR FEET LT LEFT UTILITY ARV AIR RELEASE VALVE BOA BLOW OFF ASSEMBLY CO CLEANOUT CTV CABLE TELEVISION DI DROP INLET DIP DUCTILE IRON PIPE ELEC ELECTRIC FH FIRE HYDRANT FM FORCE MAIN F&C FRAME AND COVER F&G FRAME AND GRATE GT GREASE TRAP GV GATE VALVE HDPE HIGH DENSITY POLYETHYLENE INV INVERT GENERAL CONSTRUCTION NOTES: MAX MAXIMUM Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. X 12° BC 12 CONTRACTOR SHALL COORDINATE WITH ALL UTILITY COMPANIES FOR INSTALLATION REQUIREMENTS AND SPECIFICATIONS.Alternatives x 12° FL Transportation (VDOT). This plan as drawn may not accurately reflect the requirements of X 12° EOP NIC NOT IN CONTRACT x 12° of VDOT unless otherwise noted. X 12°TTN OC ON (ENTER X 12° Bw construction. OH OVERHEAD 4. All slopes and disturbed areas are to be fertilized, seeded and mulched. GENERAL CONSTRUCTION NOTES FOR STORMWATER MANAGEMENT PLANS: 5. The maximum allowable slope is 2:1 (horizontal: vertical). Where reasonably obtainable, PE POLYETHYLENE N... 1. THE CONTRACTOR IS REQUIRED TO OBTAIN ANY/ALL PERMITS REQUIRED FOR CONSTRUCTION OF THESE PLANS. 2. ANY TIME WORK IS PERFORMED OFF-SITE OR 1MTHIN AN EXISTING EASEMENT, THE CONTRACTOR IS TO NOTIFY THE HOLDER OF SAID EASEMENT AS TO THE NATURE OF PROPOSED WORK AND TO FOLLOW ANY GUIDLELINES OR STANDARDS WHICH AIRE ASSOCIATED WITH OR REFERENCED IN THE RECORDED EASEMENT. 3. THE CONTRACTOR IS TO CHECK THAT ALL EASEMENTS, LETTERS OF PERMISSION, ETC, ARE RECORDED/OBTAINED (PRIOR TO THE START OF ANY CONSTRUCTION. 4. CONTRACTOR TO VERIFIY ALL SITE PLANS AND PROFILES AND DETAILS FOR CONSISTENCY AND IF CONFLICTS DO M, CONTACT ENGINEER FOR CLARIFICATION AND/OR DIRECTION. INTERPRETATION DETERMINED BY CONTRACTOR SHALL BE DONE: AT HIS/HER OWN RISK. 5. THE CONTRACTOR IS TO VERIFY THAT THE RELOCATION OF ALL EXiSITiNG UTILITIES IN CONFLICT WITH PROPOSED (WORK HAS BEEN COMPLETED INCLUDING U11UTY POLES. 6. CONTRACTOR SHALL COMPLY WITH FENCING AND TREE PRESERVA11ON SIGNAGE REQUIRED BY ALBEMARLE COUNTW CODE. 7. CONTRACTOR SHALL NOT RELY SOLELY ON ELECTRONIC VERSIONS OF PLANS, SPECIFICATIONS, AND DATA FILES TiHAT ARE OBTAINED FROM THE DESIGNERS, BUT SHALL VERIFY LOCATION OF PROJECT FEATURES IN ACCORDANCE WITH THE PAPER COPIES OF THE PLANS AND SPECIFICATIONS THAT ARE SUPPLIED AS PART OF THE CONTRACT DOCUMENTS. 8. CONTRACTOR SHALL COMPLY WITH ALL WETLAND PERMIT REQUIREMENTS, IF A PERMIT EXISTS. 9. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL RELOCATIONS, (UNLESS OTHERWISE NOTED ON PLANS) INCLUDING, BUT NOT LIMITED TO, ALL UTILITIES, STORM DRAINAGE, SIGNS, TRAFFIC SIGNALS do POLES, ETC. AS REQUIRED. ALL WORK SHALL BE IN ACCORDANCE WITH GOVERNING AUTHORITIES REQUIREMENTS AND PROJECT SITEWORK SPECIFICATIONS AND SHALL BE APPROVED BY SUCH. ALL COST SHALL BE INCLUDED IN BASE BID. 10. CONTRACTOR SHALL CONTROL STORMWATER RUNOFF DURING CONSTRUCTION TO PREVENT ADVERSE IMPACTS TO OF SITE AREAS, AND SHALL BE RESPONSIBLE TO REPAIR RESULTING DAMAGES, iF ANY, AT NO COST TO OWNER. ARAN ABANDON(ED) ADJ ADJUST AHD AHEAD APRX APPROXIMATE BC BACK OF CURB BFE BASEMENT FLOOR ELEVATION BIT BITUMINOUS BK BACK BM BENCHMARK BS BOTTOM OF SLOPE CB CATCH BASIN CG12 ACCESSIBLE CURB RAMP q CENTER LINE CL CHAIN LINK CMP CORRUGATED METAL PIPE CONC CONCRETE CY CUBIC YARDS C/C CENTER TO CENTER C&G CURB AND GUTTER DIA DIAMETER EL ELEVATION ELEV ELEVATION ES END SECTION EW END WALL EX EXISTING EXIST EXISTING FDN FOUNDATION FIFE FINISHED FLOOR ELEVATION GM GRADE TO DRAIN IFIRON FOUND IS IRON SET LA LANDSCAPE AREA LOD LIMIT OF DISTURBANCE LF LINEAR FEET LT LEFT UTILITY ARV AIR RELEASE VALVE BOA BLOW OFF ASSEMBLY CO CLEANOUT CTV CABLE TELEVISION DI DROP INLET DIP DUCTILE IRON PIPE ELEC ELECTRIC FH FIRE HYDRANT FM FORCE MAIN F&C FRAME AND COVER F&G FRAME AND GRATE GT GREASE TRAP GV GATE VALVE HDPE HIGH DENSITY POLYETHYLENE INV INVERT MH MANHOLE PVC POLYVINYL CHLORIDE GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS: RIM RIM ELEVATION 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 SAN SANITARY prior to the final inspection. 2. All erosion and sediment control measures will be constructed and maintained according to SCC STORMWATER CONVEYANCE CHANNEL minimum standards and specifications of the Virginia Erosion and Sediment Control SD STORM Handbook and Virginia Regulations VR 625-02-00 Erosion and Sediment Control Regulations. STIR DRAINAGE STRUCTURE 3• All erosion and sediment control measures are to be placed prior to or as the first step in clearing. TSV TAPPING SLEEVE & VALVE 4. A copy of the approved erosion and sediment control plan shall be maintained on the site at all times. UP UTILITY POLE 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 WL WATER LINE supplementary erosion control plan to the owner for review and approval by the plan approving authority. WM WATER METER 6. The contractor is responsible for installation of any additional erosion control measures WV WAiERt VALVE necessary to prevent erosion and sedimentation as determined by the plan approving authority. 60V 6' VALLVE 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 that 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 of slides, sinking, or collapse. 16. The developer shall reserve the right to install, maintain, remove or convert to permanent stormwater management facilities where applicable all erosion control measures required by this plan regardless of the sale of any lot, unit, building or other portion of the property. 17 Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75 11. THIS PROJECT DISTURBS MORE THAN ONE ACRE OF LAND AND FALLS WITHIN THE VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP), GENERAL CONSTRUCTION PERMIT (GCP) PROGRAM AS ADMINISTERED BY THE VIRGINIA DEPARTMENT OF CONSERVATION AND) GENERAL CONSTRUCTION NOTES: MAX MAXIMUM Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. MIN MINIMUM 1. Prior to any construction within any existing public right-of-way, including connection to 12 CONTRACTOR SHALL COORDINATE WITH ALL UTILITY COMPANIES FOR INSTALLATION REQUIREMENTS AND SPECIFICATIONS.Alternatives any existing road, a permit shall be obtained from the Virginia Department of MON MONUMENT CONCRETE Transportation (VDOT). This plan as drawn may not accurately reflect the requirements of NTH OSHA STANDARDS AND LOCAL REQUIREMENTS. the permit. Were any discrepancies occur the requirements of the permit shall govern. NIC NOT IN CONTRACT 2. All materials and construction methods shall conform to current specifications and ORDINANCES AND STATUTES. of VDOT unless otherwise noted. NTS NOT TO SCALEstandards 3. Erosion and siltation control measures shall be provided in accordance with the approved OC ON (ENTER erosion control plan and shall be installed prior to any clearing, grading or other UTILITY REPRESENTATIVES. construction. OH OVERHEAD 4. All slopes and disturbed areas are to be fertilized, seeded and mulched. GENERAL CONSTRUCTION NOTES FOR STORMWATER MANAGEMENT PLANS: 5. The maximum allowable slope is 2:1 (horizontal: vertical). Where reasonably obtainable, PE POLYETHYLENE lesser slopes of 3:1 or better are to be achieved. moisture content. All fill material to be approved by a geotechnical engineer. Aimmediately. 6. Paved, rip -rap or stabilization mat lined ditch may be required when in the opinion of the PERF PERFORATED County Engineer, or designee, it is deemed necessary in order to stabilize a drainage 2. Pipe and riser joints are to be watertight within stormwater management facilities. channel. PROP PROPOSED LOCATION 7. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic PRVD PROVIDED Control Devices. 8. Unless otherwise noted all concrete pipe shall be reinforced concrete pipe -Class III. PWW PAVED WATER WAY 9• All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part 1926). RCP REINFORCED CONCRETE PIPE PRE -DEVELOPMENT % POST -DEVELOPMENT BLIP0.00 DING S ) GENERAL CONSTRUCTION NOTES FOR STREETS: REM REMOVE . _. 0.001 AC 0.00% 1.57 AG READ REQUIRED 1. Construction inspection of all proposed roads within the development will be made by the TOTAL - County. The contractor must notify the Department of Community Development (296 - RET RETAIN 5832) 48 hours in advance of the start of construction. MINIMUM REQUIRED AREA 2. Upon completion of fine grading and preparation of the roadbed subgrade, the contractor RT RIGHT shall have CBR tests performed on the subgrade soil. Three (3) copies of the test results shall be submitted to the County. If a subgrade soil CBR of 10 or greater is not obtainable, R/W RIGHTOF WAY a revised pavement design shall be made by the design engineer and submitted with the test results for approval. R&D REMOiVE AND DISPOSE 3. Surface drainage and pipe discharge must be retained within the public right-of-way or R&R REMOVE do RESET within easements prior to acceptance by the County. All drainage outfall easements are to REQUIRED be extended to a boundary line or a natural watercourse. SD SIGHT DISTANCE 4. Guardrail locations are approximate. Exact length, location and appropriate end treatments will be field verified at the time of construction. Additional guardrail may be required at SQ SQUARE locations not shown when, in the opinion of the County Engineer, or designee, it is deemed necessary. When guardrail is required, it shall be installed four (4) feet offset from the edge STA STATION of pavement to the face of guardrail, and roadway shoulder widths shall be increased to seven (7) feet. SW SIDEWALK 5. Where urban cross sections ore installed, all residential driveway entrances shall conform SWEL SOLID WHITE EDGE LINE to VDOT CG -9(A, B or C). 6. Where rural cross sections are installed, all residential driveway entrances shall conform to SWILL SOLID WHITE LANE LINE VDOT standard PE -1. 7. Compliance with the minimum pavement width, shoulder width and ditch sections, as TBA TO BE ABANDONED shown on the typical pavement section detail, shall be strictly adhered to. 8. Road plan approval for subdivisions is subject to final subdivision plat validation. Should TBR TO BE REMOVED the final plat for this project expire prior to signing and recordation, then approval of these REQUIREMENT: plans shall be null and void. TC TOP OF CURB 9. All signs or other regulatory devices shall conform with the Virginia Manual for Uniform TS TOP OF SLOPE Traffic Control Devices and the Albemarle County Road Naming and Property Numbering Ordinance and Manual. TYP TYPICAL 10. Traffic control or other regulatory signs or barricades shall be installed by the developer ADA REQUIREMENT. when, in the opinion of the County Engineer, or designee, they are deemed necessary in UG UNDERGROUND order to provide safe and convenient access. TOTAL ADA REQUIREMENT: 11. The speed limits to be posted on speed limit signs are 5 mph below the design speed, or as VESCHVA. E&S CONTROL HANDBOOK determined by VDOT for public roads. 12. VDOT standard CD -1 or CD -2 cross -drains under to be installed under the subbase YDS YARDS material at all cut and fill transitions and grade sag points as shown on the road profiles. APARTMENT UNITS 13. A video camera inspection is required for all storm sewers and culverts that are deemed TOTAL ADT inaccessible to VDOT or County inspections. The video inspection shall be conducted in LANDSCAPE NOTE accordance with VDOT's video camera inspection procedure and with a VDOT or County inspector present. MH MANHOLE PVC POLYVINYL CHLORIDE GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS: RIM RIM ELEVATION 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 SAN SANITARY prior to the final inspection. 2. All erosion and sediment control measures will be constructed and maintained according to SCC STORMWATER CONVEYANCE CHANNEL minimum standards and specifications of the Virginia Erosion and Sediment Control SD STORM Handbook and Virginia Regulations VR 625-02-00 Erosion and Sediment Control Regulations. STIR DRAINAGE STRUCTURE 3• All erosion and sediment control measures are to be placed prior to or as the first step in clearing. TSV TAPPING SLEEVE & VALVE 4. A copy of the approved erosion and sediment control plan shall be maintained on the site at all times. UP UTILITY POLE 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 WL WATER LINE supplementary erosion control plan to the owner for review and approval by the plan approving authority. WM WATER METER 6. The contractor is responsible for installation of any additional erosion control measures WV WAiERt VALVE necessary to prevent erosion and sedimentation as determined by the plan approving authority. 60V 6' VALLVE 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 that 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 of slides, sinking, or collapse. 16. The developer shall reserve the right to install, maintain, remove or convert to permanent stormwater management facilities where applicable all erosion control measures required by this plan regardless of the sale of any lot, unit, building or other portion of the property. 17 Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75 11. THIS PROJECT DISTURBS MORE THAN ONE ACRE OF LAND AND FALLS WITHIN THE VIRGINIA STORMWATER MANAGEMENT PROGRAM (VSMP), GENERAL CONSTRUCTION PERMIT (GCP) PROGRAM AS ADMINISTERED BY THE VIRGINIA DEPARTMENT OF CONSERVATION AND) ` lbs/acre, and in the months of September to February to consist a 50/50 mix of Annual RECREATION (DCR) UNDER THE JURISDICTION OF THE EPA PRIOR TO THE START OF CONSTRUCTION, THE CONTRACTOR SHALL FILE A GCP NOTICE OF INTENT WITH THE DCR AND PREPARE A STORMWATER PREVENTION PLAN IN ACCORDANCE WITH THE VSMP REGULATiONSS, Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. CHARLOTTESVILLE, VA 22906 MANAGEMENT SERVICES CORPORATION 102 S. FIRST STREET, SUITE 301 are subject to approval by the County erosion control inspector. 12 CONTRACTOR SHALL COORDINATE WITH ALL UTILITY COMPANIES FOR INSTALLATION REQUIREMENTS AND SPECIFICATIONS.Alternatives 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. 13. CONTRACTOR SHALL BE RESPONSIBLE FOR SITE SECURITY AND JOB SAFETY. CONSTRUCTION ACTIVITIES SHALL BE IN ACCORDANCE Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the top 4-6 NTH OSHA STANDARDS AND LOCAL REQUIREMENTS. inches of soil. Fertilizer shall be applied at 1000lbs/acre and consist of a 10-20-10 nutrient 14. ONTRACTOR SHALL DISPOSE OF DEMOLITION DEBRIS IN ACCORDANCE WITH APPLICABLE FEDERAL, STATE AND LOCAL REGUL.AiiONS, mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or Tall Fescue and 0-5% Perennial Ryegross or Kentucky Bluegrass. Straw mulch is to be ORDINANCES AND STATUTES. applied at 80lbs/1009f. Alternatives are subject to approval by the County erosion control 15 EXISTING UTILITiES SHALL BE TERMINATED, UNLESS OTHERWISE NOTED, IN CONFORMANCE WITH LOCAL, STATE AND INDIVIDUAL WTiLITY inspector. COMPANY STANDARDS SPECIFICATIONS, AND DETAILS. THE CONTRACTOR SHiLL COORDINATE UTILITY SERVICE DISCONNECTS WITH THE 19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage UTILITY REPRESENTATIVES. or clogging to structural measures is to be repair immediately. Silt traps are to be cleaned .5 when 50% of the wet storage volume is filled with sediment. All seeded areas are to be GENERAL CONSTRUCTION NOTES FOR STORMWATER MANAGEMENT PLANS: 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 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. Aimmediately. 20. All temporary erosion and sediment control measures are to be removed within 30 days of geotechnical engineer is to be present during construction of dams. final site stabilization, when measures are no longer needed, subject to approval by the 2. Pipe and riser joints are to be watertight within stormwater management facilities. s inspector, County erosion control ins 3. For temporary sediment traps or basins which are to be converted to permanent stormwater 21. This plan shall be void the owner does not obtain a permit within 1 year of the date of management facilities; conversion is not to take place until the site is stabilized, and approval. (Water Protection Ordinance section 17-204G.) permission has been obtained from the County erosion control inspector. 22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the land disturbing activity commences. (Water Protection Ordinance section 17-207B) SITE TABULATIONS OWNER SOUTH PANTOPS 11 LAND TRUST PC BOX 8147 1a CHARLOTTESVILLE, VA 22906 MANAGEMENT SERVICES CORPORATION 102 S. FIRST STREET, SUITE 301 DEVELOPER Cj CHARLOTTESVILLE, VA 22902 RIVANNA ENGINEERING & SURVEYING, 01!0612005 TOPOGRAPHICAL INFORMATION BASED ON FIELD SURVEY BY DCMINiON ENGINEERING & DESIGN, LLC JULY 2017, AND CONFIRMED SOURCE OF BOUNDRY ,SURVEY SOURCE OF TOPOGRAPHY Carr' IN THE FIELD BY THE DESIGN ENGINEER DECEMBER 2017. A PORTION OF THiS PROPERTY IS LOCATED IN FLOOD ZONE AE AS SH( FEDERAL EMERGENCY MANAGEMENT AGENCY. FLOOD INSURANCE Rr FLOODPLAIN INFORMATION (D8S � NUMBER: 51003CO289D, DATED: 02104/2005 NVGD 1988 is AREA 78-20 13.31 AC DEED BOOK 2913, PAGE 156 R15 MANAGED AND PRESERVED SLOPES OVERLAY DISTRICT FRONT --MIN 5 FEET FRONT -MAX 25 FEET TAX MAPIPARCEL. .5 ZONING INFORMATION ,_. SETBACKS M SIDE _ ;.ZERO REAR 20 FEET 65 FEET FOR EACH STORY THAT BEGINS ABOVE 40 FEET IN HEIGHT OR FOR EA+ ABOVE THE THIRD STORY, WHICHEVER IS LESS, THE MINIMUM STEPBA MAXIMUM BUIDLING HEIGHT STEPBACKS SHALL BE A MINIMUM OF 15 FEET. REFER TO ARCHITECTS PLAN FOR G _ 15 DUTAC ## OF UNITS 144 (96 2BD, 48 TBD) GROSS DENSITY '10.82 DUTAC MAXIMUM DENSITY GROSS DENSITY AND SCHEDULE ND ti+OVER PRE -DEVELOPMENT % POST -DEVELOPMENT BLIP0.00 DING S ) AG ... .. 0.00% 1.32 AG PAVED . _. 0.001 AC 0.00% 1.57 AG OPEN SPACE 13.76 AG 10&00% 10.87 AC TOTAL - 13.76 AC 100.00% 13.76 AC RECREATION REGULATION MINIMUM REQUIRED AREA 200 SQFTIUNIT = 28,800 SQFT ;<5% GROSS SITE AREA PROVIDED AREA POOL AREA 3,490 SOFT CLUBHOUSE AREA 5,334 SQFT WORKOUT FACILITIES 1,778 SQFT ONSITE NATURE TRAILS & WOODED AREAS 473,497 SQFT ...... NEW TOTAL 480,609 SQFT MINIMUM FACILITIES ONE TOT LOT SHALL BE PROVEDED FOR THE FiRST 30 UNITS AND FOR REQUIRED ADDITIONAL 50 UNITS SHALL CONTAIN EQUIPMENT WHICH PROVIDES At ECUIVALENTTO-1 ONE SWING SET, ONE SLIDE, TWO CLIMBERS, ONE Elk, TWO BENCHES. 1 1 HALF BASKETBALL COURT SHALL BE PROVIDED FOR EACH 100 UNITS '3 TCT LOTS AND 1 HALF -BASKETBALL COURT IS REQUIRED PER 4.16.2.1 APPLICANT PROPOSES TO SUBSTITUTE THE MINIMUM REQUIRED F THE AP , WITH THE FOLLOWING: PROVIDED FACILITIES ACTIVE RECREATION AREAS: ;SWIMMING POOL WORKOUT FACILITY DOM.PROJECT NO: 17.0110 CLUBHOUSE PASSIVE RECREATION AREAS: I S TRAILS IN WOODED AREA AND CONNECTION TO COUNTY TRAILS SYSTEM-GREENWAY PARKING REQUIREMENTS REQUIREMENT: 2 SPACES PER UNIT (2BD APT) 1.5 SPACE PER UN ITE (1 BD APT) 96 UNfTS X 2 - 19 SPACES 48UNITS X1-5 - 72 SPACES 264 SPACES TOTAL ADA REQUIREMENT. 6 GARAGE SPACES (2 SPACES PER GARAGE) 6 SPACES SURFACE PARKING (6 VAN ACCESSIBLE) TOTAL ADA REQUIREMENT: 12 ADA (2 VAN ACCESSIBLE) PROVIDED: 266, INCLUDING 12 ADA SPACES OK (9 VAN ACCESSIBLE) ADT APARTMENT UNITS ITE USE GROUP 220 10 VPD/UNIT TOTAL ADT 1144 UNITS 1440 VPD LANDSCAPE NOTE THE IMPERVIOUS AREA DOES NOT EXCEED 80% OF THE SITE AND IS NOT IN AN ENTRANCE CORRIDOR (32_T9.2(b)). LANDSCAPE PLAN WILL BE PROVIDED FOR FINAL SITE PLAN SUBMISSION. � r Int I II I Ii 1 �-' 1a Cj i? Carr' REMEN1-0,0001 (D8S � a is � Q *t V .5 � r `' ,_. M c UJ 0 II I Ii 1 �-' REMEN1-0,0001 111; ..4� f 1 DOM.PROJECT NO: 17.0110 INDEX TITLE: I S TMP 78— 20 Q .Ct)/TTN RdN'1'f)PS` f.Tll,(fTF.I} F+dRTNPRRN'lP BOUNDARY CURVE TABLE Curve Length Radius Delta Tangent Chord Chord Bearing C1 80.40' 970.00' 4'44'57" 40.22' 80.38' S 00'06'53" E C2 494.99' 1029.99' 2732'06" 252.37' 490.24' S 113446" E c>� c s" I 43! 43� 42! 42, 41: 41, 40, 40, 39 39 38 m 37 37 PROP 01',____)'ED NATURE TRAIL PLAN EX.D) 2A 26 n2C ...... Q0 . .. .... .. .. ..... . ....... 5! - ----- - --- ---- 15 tio U) ■ �00 C95 1 *0 C85 4!80 G5 • EXIS11NO GRADE -RAE ,�PROPOSED.C E. 370 DOM. PROJECT NO: 17.0110 INDEX TITLE: lSpb SHEET NO: 6 OF 10 . TROM 7 ... .. ..... ...... . .... ---lR*-EVC 00,53L 1111' EVC ---------- X Lu n - cq 52t . ................ . ... CA co to C4 ci to, F) oc ui 0 + 0 - ---- ----------- --------- yr z t50 10+00 11+00 12+00 13+00 14+00 15+00 PROPOSED SEWER PROFILE (E_)y, D 2j 1) 0ANtTARY 1�1 VERTICAL SCALE: I"=10' HORIZONTAL SCALE: C=30 of .9 WMUL F. AIYM��_ Lic. No. 33028 03-05-2018 irk-',O_� 701 DATE: 03/06/2018 Q0 15 tio ■ �00 C95 1 *0 C85 4!80 G5 • 370 DOM. PROJECT NO: 17.0110 INDEX TITLE: lSpb SHEET NO: 6 OF 10 DATE: 03/06/2018 Project Name: Date: VRRM SPREADSHEET South Pantops Vista +03/C11/211 & Design SpecificationsDraft Specs "Site Information ',Land Cover (acres) Impervious Cover (acres) I 2.89 *ForestlOpen Sp ace areas ranust be protected in accordance with the Virginia Runoff eduction Method13.76 Constants Annual Rainfall (inches) 43 ,Target Rainfall Event (inches) 1.00 "Total Phosphorus (TP) EMC(mg/L) 0.26 :,Total Nitrogen (TN) EMC (mg/L) 1.86 -'Target TP Load (Ib/acre/yr) 0.41 `,Pj (unitless correction factor) 0.90 Runoff Coefficients f Rvi L,�ONAL A soils B sails C Soils D Soils Forest/Open Space 0,02 0,03 0.04 0.05 Managed Turf 0,15 0.20 0.22 0.25 Impervious Cover 0.95 0.95 0.95 0.95 L,�ONAL THE CARRIAGE HILL (SDP 2000-00013) POND COMPUTATIONS AND NARRATIVE SHOWS THAT THE 2 YEAR AND 10 YEAR FLOWS LEA'VIN(G THE EXISTING 54" PIPE UNDER SOUTH PANTOPS IS 75 cfs AND 101 cfs RESPECTIVELY. THE PRELIMINARY ANALYSIS ANTICIPATES THAT OUR 2 YEAR AND 10 YEAR PEAK FLOWS WILL OCCUR BEFORE THE PEAK FLOWS LEAVING THE EXISTING 54" PIPE AND THEREFORE WILL SATISFY THE 2 YEAR VELOCITY AND 10 YEAR VOLUME REQUIREMENTS FOR ADEQUATE CHANNELS TO THE RIVANNA RIVER. THE WATER QUALITY PORTIONS OF THIS PLAN WILL BE SATISFIED WITH PURCHASING 1.91 Ib/yr OF OFFSITE NUTRIENT CREDITS IN THE SAME OR ADJACENT HYDROLOGIC UNIT CODE (02010204). INDEX TITLE: 0 0 TP Load Reduction Required (lb/yr) 1.9i -------------------------------- ----------------- W � :z LAND • - SUMMARY POST DEVELOPMENT Land Cover Summary Treatment Volume and Nutrient Loaid Forest/Open Space Cover (acres) 9 44 Treatment Volume (cre_f 0 2759 x LU L' c w E- T reatrner�t Volume (cubic feet) 12,08 A % Forest 691a TP toad (Ib/yr) 7 55 Managed Turf Cover (acres) 143 TN Load (Ib/yr) Informational Purposes Onl 54 02 ui Weighted Rv (turf) 0 20 I G __. % I`v`:anaged Turf: 10.°,✓¢ T1"'1 Al 1� Impervious Cover (acres) 2 89 W Rv (impervious) 5 0 1::P: % impervious 21% Site Area (acres) 13 76 Ci x � Site Rv (} 24 E- C) QQ W E.®, STORMWATER NARRATIVE: IF THE TOTAL DRAINAGE AREA TO A POINT ON THE EDGE OF THE DEVELOPMENT PROPERTY IS LESS THAN 1% OF THE TOTAL DRAINAGE AREA TO THAT POINT OF ANALYSIS, THEN THE CHANNEL AND FLOOD E--, Cn irZI PROTECTION HAS BEEN MET IFOR THE SITE. CONCENTRATED FLOWS MUST BE CONVEYED TO AN ADEQUATE >_4 CHANNEL. SITE AREA = 13.31 ACRES. DRAINAGE AREA OF THE RIVANNA RIVER AT OUTFALL OF PROPERTY IS 472 SQUARE MILES BASED) ON THE FEMA FLOOD INSURANCE STUDY APRIL 2, 2014 PAGE 15. 472 mit = 302,080 acres J 1 % OF 302,080 acres = 3,021 acres > 13.31 acres OK W LU THE CARRIAGE HILL (SDP 2000-00013) POND COMPUTATIONS AND NARRATIVE SHOWS THAT THE 2 YEAR AND 10 YEAR FLOWS LEA'VIN(G THE EXISTING 54" PIPE UNDER SOUTH PANTOPS IS 75 cfs AND 101 cfs RESPECTIVELY. THE PRELIMINARY ANALYSIS ANTICIPATES THAT OUR 2 YEAR AND 10 YEAR PEAK FLOWS WILL OCCUR BEFORE THE PEAK FLOWS LEAVING THE EXISTING 54" PIPE AND THEREFORE WILL SATISFY THE 2 YEAR VELOCITY AND 10 YEAR VOLUME REQUIREMENTS FOR ADEQUATE CHANNELS TO THE RIVANNA RIVER. THE WATER QUALITY PORTIONS OF THIS PLAN WILL BE SATISFIED WITH PURCHASING 1.91 Ib/yr OF OFFSITE NUTRIENT CREDITS IN THE SAME OR ADJACENT HYDROLOGIC UNIT CODE (02010204). INDEX TITLE: Ar CO 44,r 44( 43,' 43( 42.` 42( 41' 41( 40, 40( 39! 39( 38,' 38( n SIGHT LIK)TANCE PROFILE VERTICAL WALE: 1"=10' HORIZONTAL SCALE: C-30' 450 445 440 435 430 425 420 415 410 405 400 395 390 385 380 y H of MUM Lie. No. 33028 10 03-05-201 R- 9NA I C;) C C 0 5: 43 0 b (D smV M co 0 kl, PROPOSED RIGHT-OF-WAY DEDICATION (WIDTH VARIES) RICHT—OF—WAY VARIES If H Op PROPERTY LINE­� F. Lie. No. 33028 'd PROPOSED PROPOSED EXISTING ROAD EXISTING 0305-2018 PROPOSED 5' 12' RIGHT TURN LANE 24' CURB TO EP 5' GUARDRAIL CONC. SIDEWALK MATCH EXISTING CROSS CONC. SOA {SEE PLAN FOR SLOPE SIDEWALK SI TE LOCATION) 0.5' TYP 0.5' TYP PROPOSED PROPOSED 2.0% PROPOSED EXISTING EDGE —EXISTING GRADE RETAINING WALL A; GRADE OF PAVEMENT \CG -6 LU — — — — — — — — — — — — — — — — _T CG -6-,r NEEDED (SEE PLAN -------------------- —P-;7. LU FOR LOCATION) :r — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — 0 EXISTING GRADE MATCH EXISTING z z PAVEMENT SECTION 0 0 DIMENSION IS 1' WHERE THERE IS NO GUARDRAIL > SOUTH PANTOPS DRFVE C3 Lu Cn TYPICAL ROAD CRO',�_�)S "ECTION M UJ NOT TO SCALE iii VTOT TRAFFICCOUNT LEFT TURN LANE WARRANT' RIGHT TURN LANE WARRANT z z 00 SUMMARY FIG'0-0 F I G, 3 -2_J'6 1. JT(v'NnuuJ,.Apartrn.ent Code 220, pg 308 Vi.,qin,a 0parevent of Transportation02 Trat,lic Enameerim- LAvislon 2016 oule A 7, Annual Averaqe Daily Traffic Vo,ume Estimates By Soction of R Average Rate of traffic, 0,6R. (4-6,pm) �.,ttt; 7f7ti. _1 t 20, 7 Altemarla Maintenance Area T 4_ ------------- Truck --------------- K Di 7 J; Houte Lenqlh AADT QA 4hie duti QC QK AMNUr QW Year 2N;!@ 34AAa Mail -Mail Fa�iqr Fa,�['m Wilh 65% of traffic entering the Apartments and 35% leaving _4\ 00 TUU r. AND OR REQUI, ED tS ?54) Rd 7 -%00 R NA NA 10,,M2012 Vehicles per hour Average rat(a x Dwelling unil:5 4 ml 0.62 x 144 Suwbi Pam Dr C.70 5100 R NA NA 1JJ 4, ------ ------- — --- . .....to 89 VP1I �N HS LL ............. . .... z I-owale Lalo- G. 20 940 R - ----- 4 651,10 Vehicles entering Apartment 65% x 89 VPH C NA NA > > F`Qxvafe Lirm C,N 400 R NA NA 58 VPH 4(10 ArMYTTID 9 X NA NA 04,U5.2012 01 11 9: t',` 49 -20 250 Fit z J. 2. VOOT2016 Traffic Oato Publication for South Pantops Drive N"; yI An az ,1 T 4 Fox Harr: Lana 0,11 110 R NA NA 04 D5120 2 1 AADT,; 5100 38 281 W I t42 I E— NA G4;05,,'2G!2 E I n- - - L .. Fox Hui n Ct iNo VURN LANES 0.08 go R NA 61 �1) C) IF," 7 — D 7. JR I OR TAPFRS R FM,' Cul X -Factor-, Not provided by I'll-affic Data Publication. o eft- I urn, Uyiie , - Fox Crest ay ,09 140 e R q u, i r d SJA 4 WL. R NA RA GV05�2012 > (r 1 Assume 0.base4% n average of 5 comparable road5,. 11 d a 4 Foxchaiie Rido 0.?tl 170 I R NA NA G015t2012 0.096 RT -250 Richmond Rd ._l T15 0.104 Average 0.108 ac Rioters WAY C 44 2700 R NA NA 1018`"?012 (D r'Ul q� PHV - Peak 14,,--)ur Volume iiabu Design Huvrly V;Aurne equivaleint) M & AIR 0A C pFox Ct :1.0 80 NA NA 04,05,20 12 unn og S. 1 CO- 1§8 114 1: 117 Runn aq Fox Lane 0 I'll Iso R "I4, NA NA RQUte K -Factor RT -40 Thurnas Jefferson Pkwy 0134 RT -240 Three. Natchid, Ad 0.102 RT -250 Grady Ave 0.096 RT -250 Richmond Rd 0.104 RT -1455 Whitewood Rd 0.104 Average 0.108 Ar, LID I PHY A "-HOACH TOTALWHICLIES FIER WUR 0 2 0 u�, 28' torj b U T) BU01 0 Appropriate. Rad'US requ'rpdaI all Inter5ections and Entrances (Commordarl or Privala). V,� ADVANCING VOLAAAE fYPH) LEGENO �:D (D IF GURE 3-8 PHV - Peak 14,,--)ur Volume iiabu Design Huvrly V;Aurne equivaleint) M Adlustmen t for Riaht Turns Leah iq Fox Ct Q 04 46 R NA NA 04,'05!2012 E ---i C--) For poVed, speleds at or under 45 mph, PriV right tums > 40, and PHV total < 300. Mill GrLok Di 0.27 590 R NA NA 04,05�20,2 Dir�:cticnal factor � 0.5 Adjust . ed right zurns ;� PHV Right Turri s - 20 3. ,t5.4 r1i­ Cc If PHV is not known use fu( molal PHV =- ADT x K x 0 (D- N1111 geek Dr 4.07 970 R NA NA 00)&'2012 PHV AADT,-, K x D K m the pement of AAD,r accurring in t'�,e peak Flour D !n the percent of tra1r, ill t 1 -0 E-4 Milli Drek Dr C,25 1400 R NA NA 04,'05,'2012 5100 X 0.11 X 0.5 he pe* dirrvZ n of flow A— r� E... Note; An avwage of 11% fur'K X D will SUMKAI� NAR Reek Dr C, Ki 5400 R NA NA 041105f2012 .281 VPH Cn IV, �­o!,Vflh: Rd tris'J940 yy" nVIOL: X;: L 58/281 21D.6% Coppgrslone OF 1,03 320 R NA NA 0713112012FIGURE 3-26 FOR RIGHT TURN TREATMENT (2, -LANE HIGHWAY) E— z Coppersione Or U8 220 R NA NA 07,?3112012 3. For Left­turnsf orage lones: Figuire 3-8 frorn Appeiilifix F, "Access tnanagement Desdgn,Storidards J,,)r P;� Z LL, E.. Qopp-(stone Jr 1U5 45 R NA NA 07,q 112012 En tir ances' Rev. 1115 C,0 Jr NA NA G4i05P2012 For ftht-turR �toraqe fones, Figure 3­26frurn Appen-(Iix F, `Acces� rrowragetner7t Desiqn.,Smincfard� lot- LLI Mill Gf&,k Ct 0,10 180 R LLI Fn trcynces' 4!M2017 58 Adjustment for Right turns, PHV Right Turn, 20 = 58 VPH -20 38 VPN DOM. PROJECT NO: 17.0110 INDEX TITLE: I S P TURN LANE W_/kRR_A`NT ANA'LYQt__-D` SHEET NO: 9 OF 10 DATE: 03/05/2018