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HomeMy WebLinkAboutSDP201800008 Plan - Submittal (First) Initial Site Plan 2018-03-05i Ll WA k i 4!1--A'A--4k9j;j �'� 14 z k d;j I W 1.lim dffi 1 1 .► rict.:ai P F Q i 4 i A d`+r A Pru di s� 3 U SITE t Esr . ,� „c a i ara tN{ nail., dE Y f� I ,a lZU XX XXX ISPI Cover Sheet ISP2 Notes, Abbreviations, & Legend ISP3 Existing Conditions Plan ISP4 Layout Plan ISP5 Grading Plan ISP6 Sanitary Sewer Profiles ISP7 Preliminary SWrVi Computations and Narrative ISP8 Sight Distance P"gin & Profile ISP9 South Pantops Drk;,Y.-." Typical Section & Warrant Analysis ISPIO Critical Slope Exhibit CURRENT DEVELOPMENT PLANNER CURRENT DEVELOPMENT ENGINEER ALBEMARLE COUNTY SERVICE AUTHORITY FIRE OFFICIAL ARCHITECTURAL REVIEW BOARD OFFICIALBUILDING L C, C"MCVz LT { 0 ._ - E 0 0 I a, I I w I —y1 �I i ■r i■ • - - i DOM. PROJECT NO: 17.0110 INDE X TITLE: SHEET NO: j QF 10 DATE: 03/05 f 2018 LEGEND EXIST PROP DESCRIPTION _ PROPERTY LINE ADJACENT PROPERTY LINE _ VACATED PROPERTY LINE EASEMENT BUILDING SETBACK BUILD TO LINE :;:::7.::. > >;: ��■ ZONING LINE LIMIT OF DISTURBANCE FLOODPLAIN LIMIT BUFFER ZONE ., . RM A - - - - - - - RMA - RESOURCE MANAGEMENT AREA RPA - - --------- RPA - RESOURCE PROTECTION AREA EDGE OF GRAVEL EDGE OF PAVEMENT cC-2 - STANDARD 6" CURB STANDARD 4 CURB C:C-6 COMBINATION 6' CURB & GUTTER COMBINATION a CURB & GUTTER FIRE LANE STRIPING 4 BE BUILDING ENTRANCE 4L' LOADING DOCK BOLLARD DUMPSTER PAD - SIGN STEEL GUARDRAIL WOOD GUARDRAIL - -- PATH TREE LINE FENCE STONEWALL RETAINING WALL STREAM / POND / WATER COURSE DETENTION BASIN _.. - SILT FENCE _- CONTOUR _... 010 INDEX CONTOUR x 12° TC x 12A BC x ItFL x 12° EOP x 12° X 121TIN x 12a ew F E. CONCRETE PAVEMENT j SIDEWALK RIPRAP NEW ASPHALT . ryi"b, GRASS 'j EC-2 BLANKET MATTING \, EC-3 TYPE A u u EC-3 TYPE B WETLAND CONTRACTOR'S COORDINATION RESPONSIBILITIES 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 "IN 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 ARE 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 VERIF7Y ALL SITE PLANS AND PROFILES AND DETAILS FOR CONSISTENCY AND IF CONFLICTS EXISTSi, 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 E)OSITING UTILITIES IN CONFLICT WITH PROPOSED WORK HAS BEEN COMPLETED INCLUDING UTILITY POLES. 6. CONTRACTOR SHALL COMPLY WITH FENCING AND TREE PRESERVATION SIGNAGE REQUIRED BY ALBEMARLE COUNTY {CODE 7. CONTRACTOR SHALL NOT RELY SOLELY ON ELECTRONIC VERSIONS OF PLANS, SPECIFICATIONS, AND DATA FILES THAT ARE OBTAINED FROM THE DESIGNERS, BUT SHALL VERIFY LOCATION OF PROJECT FEATURES IN ACCORDANCE WITH THE PAPER COMES OF THE PLANS AND SPECIFICATIONS THAT ARE SUPPLIED AS PART OF THE CONTRACT DOCUMENTS. 8. CONTRACTOR SHALL COMPLY WITH ALL WETLAND PERMIT REQUIREMENA IF A PERMIT EXISTS. 9. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL RELOCATIONS, (UNLESS OTHERWISE NOTED ON PLANS) INCLUDING, BUT NOT LIMITED 70, ALL UTILITIES, STORM DRAINAGE, SIGNS, TRAFFIC SIGNALS & 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 70 PREVENT ADVERSE IMPACTS TO OFF' SITE AREAS, AND SHALL BE RESPONSIBLE TO REPAIR RESULTING DAMAGES, IF ANY, AT NO COST TO OWNER. w 0- ABBREVIATIfJNS SITE DATA &GENERAL NOTES GENERAL CONSTRUCTION NOTES: ABAN ABANDON(ED) MAX MAXIMUM ADJ ADJUST MIN MINIMUM 1. Prior to any construction within any existing public right-of-way, including connection to any existing road, a permit shall be obtained from the Virginia Department of AHD AHEAD MON MONUMENT CONCRETE Transportation (VDOT), This plan as drawn may not accurately reflect the requirements of the permit. Where any discrepancies occur the requirements of the permit shall govern. APRX APPROXIMATE NIC NOT IN CONTRACT 2. All materials and construction methods shall conform to current specifications and standards of VDOT unless otherwise noted. BC BACK OF CURB NTS NOT TO SCALE 3. Erosion and siltation control measures shall be provided in accordance with the approved BFE BASEMENT FLOOR ELEVATION OC ON CENTER erosion control plan and shall be installed prior to any clearing, grading or other construction. BIT BITUMINOUS OH OVERHEAD 4. All slopes and disturbed areas are to be fertilized, seeded and mulched. 5. The maximum allowable slope is 2:1 (horizontal: vertical). Where reasonably obtainable, BK BACK PE POLYETHYLENE lesser slopes of 3:1 or better are to be achieved. 6. Paved, rip -rap or stabilization mot lined ditch may be required when in the opinion of the BM BENCHMARK PERF PERFORATED County Engineer, or designee, it is deemed necessary in order to stabilize a drainage channel. BS BOTTOM OF SLOPE PROP PROPOSED LOCATION 7. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic CB CATCH BASIN PRVD PROVIDED Control Devices. 8. Unless otherwise noted all concrete pipe shall be reinforced concrete pipe -Class III. CG12 ACCESSIBLE CURB RAMP PWW PAVED WATER WAY 9. All excavation for underground pipe installation must comply with OSHA Standards for the Construction Industry (29 CFR Part 1926). � CENTER LINE RCP REINFORCED CONCRETE PIPE GENERAL CONSTRUCTION NOTES FOR STREETS: CL CHAIN LINK REM REMOVE CMP CORRUGATED METAL PIPE READ REQUIRED 1. Construction inspection of all proposed roads within the development will be made by the County. The contractor must notify the Department of Community Development (296- CONC CONCRETE RET RETAIN 5832) 48 hours in advance of the start of construction. 2. Upon completion of fine grading and preparation of the roadbed subgrade, the contractor CY CUBIC YARDS 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, C/C CENTER TO CENTER R/W RIGHT OF WAY a revised pavement design shall be made by the design engineer and submitted with the test C&G CURB AND GUTTER R&D REMOVE AND DISPOSE results for approval. 3. Surface drainage and pipe discharge must be retained within the public right-of-way or DIA DIAMETER R&R REMOVE & RESET within easements prior to acceptance by the County. All drainage outfoll easements are to be extended to a boundary line or a natural watercourse. EL ELEVATION 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 ELEV ELEVATION 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 ES END SECTION STA STATION of pavement to the face of guardrail, and roadway shoulder widths shall be increased to EW END WALL SW SIDEWALK seven (7) feet. 5. Where urban cross sections are installed, all residential driveway entrances shall conform EX EXISTING 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 EXIST EXISTING SWLL SOLD WHITE LANE LINE VDOT standard PE-1. 7. Compliance with the minimum pavement width, shoulder width and ditch sections, as FDN FOUNDATION 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 FIFE FINISHED FLOOR ELEVATION TBR TO BE REMOVED the final plat for this project expire prior to signing and recordation, then approval of these GTD GRADE TO DRAIN TC TOP OF CURB plans shall be null and void. 9. All signs or other regulatory devices shall conform with the Virginia Manual for Uniform IFIRON FOUND TS TOP OF SLOPE Traffic Control Devices and the Albemarle County Road Naming and Property Numbering Ordinance and Manual. IS IRON SET TYP TYPICAL 10. Traffic control or other regulatory signs or barricades shall be installed by the developer when, in the opinion of the County Engineer, or designee, they are deemed necessary in LA LANDSCAPE AREA UG UNDERGROUND order to provide safe and convenient access. 11. The speed limits to be posted on speed limit signs are 5 mph below the design speed, or as LOD LIMIT OF DISTURBANCE 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 LF LINEAR FEET YDS YARDS material at all cut and fill transitions and grade sag points as shown on the road profiles. 13. A video camera inspection is required for all storm sewers and culverts that are deemed LT LEFT inaccessible to VDOT or County inspections. The video inspection shall be conducted in UTILITY accordance with VDOT's video camera inspection procedure and with a VDOT or County inspector present. ARV AIR RELEASE VALVE MH MANHOLE GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS: BOA BLOW OFF ASSEMBLY PVC POLYVINYL CHLORIDE CO CLEANOUT 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 CTV CABLE TELEVISION SAN SANITARY prior to the final inspection. 2. All erosion and sediment control measures will be constructed and maintained according to DI DROP INLET SCC STORMWATER CONVEYANCE CHANNEL minimum standards and specifications of the Virginia Erosion and Sediment Control Handbook and Virginia Regulations VR 625-02-00 Erosion and Sediment Control DIP DUCTILE IRON PIPE SD STORM Regulations. ELEC ELECTRIC STR DRAINAa STRUCTURE 3• All erosion and sediment control measures are to be placed prior to or as the first step in clearing. FH FIRE HYDRANT TSV TAPPING SLEEVE & VALVE 4. A copy of the approved erosion and sediment control plan shall be maintained on the site at all times, FM FORCE MAIN 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 F&C FRAME AND COVER WL WATER LINE supplementary erosion control plan to the owner for review and approval by the plan approving authority. F&G FRAME AND GRATE WM WATER METER 6. The contractor is responsible for installation of any additional erosion control measures GT GREASE TRAP WV WATER VALVE necessary to prevent erosion and sedimentation as determined by the plan approving authority. GV GATE VALVE 60V 6' VALVE 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. HDPE HIGH DENSITY POLYETHYLENE 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 INV INVERT 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 hand 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 T t b"I' t' h II t A d I h' S A' t b 75 11. THIS PROJECT DISTURBS MORE THAN ONE ACRE OF LAND AND FALLS WITHIN THE VIRGINIA STORMWATER MANAGEMENT PROGRAMI b t (VSMP), GENERAL CONSTRUCTION PERMIT (GCP) PROGRAM AS ADMINISTERED BY THE VIRGINIA DEPARTMENT OF CONSERVATION AND emporary s a I ¢a ion s a e emporary see Ing an mu C Ing. ee mg Is o V. a Ibs/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 lA GCP Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May N0110E OF INTENT WITH THE DCR AND PREPARE A STORMWATER PREVENTION PLAN IN ACCORDANCE WITH THE VSMP REGULATIONS. through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. 12 CONTRACTOR SHALL COORDINATE WITH ALL U11UTY COMPANIES FOR INSTALLATION REQUIREMENTS AND SPECIFICATIONS. Alternatives are subject to approval by the County erosion control inspector. 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. 1& 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 WITH 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 REGULATIONS, AND STATUTES. mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or Tall Fescue and 0-5% Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be ORDINANCES at 801bs/100sf. Alternatives are subject to approval by the County erasion controlinspector. 15 EXISTING UTILITIES SHALL BE TERMINATED, UNLESS OTHERWISE NOTED, IN CONFORMANCE WITH LOCAL, STATE AND INDIVIDUAL UTILITYapplied COMPANY STANDARDS SPECIFICATIONS, AND DETAILS. THE CONTRACTOR SHALL. COORDINATE UTILITY SERVICE DISCONNECTS WITH THE UTILITY REPRESENTATIVES. 19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to structural measures is to be repair immediately. Silt traps are to be cleaned when 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 1. All dams and constructed fill to be within 95% of maximum dry density and 2% of optimum which are collecting sediment to half their height must be cleaned and repaired immediately. moisture content. All fill material to be approved by a geotechnical engineer. A geotechnical engineer is to be present durng construction of dams. 20. All temporary erosion and sediment control measures are to be removed within 30 days of 2. Pipe and riser joints are to be watertight within stormwater management facilities. final site stabilization, when measures are no longer needed, subject to approval by the County erosion contra) inspector. 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 21. This plan shall be mid if the owner does not obtain a permit within 1 year of the date of permission has been obtained from the County erasion control inspector. approval. (Water Protection Ordinance section 17-204G.)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 DOWNER SCUTH PANTOPS If LAND TRUST PO BOX 8147 CHARLOTTESVILLE, VA 22906 MANAGEMENT SERVICES CORPORATION DEVELOPER 102 S. FIRST STREET, SUITE 301 CHARLOTTESVILLE, VA 22902 RIVANNA ENGINEERING & SURVEYING, 01/06/2005 SOURCE OF BOUNDRY SURVEY TOPOGRAPHICAL INFORMATION BASED ON FIELD SURVEY BY SOURCE OF TOPOGRAPHY DOMINION ENGINEERING & DESIGN, LLC JULY 2017, AND CONFIRMED IN THE FIELD BY THE DESIGN ENGINEER DECEMBER 2017, A PORTION OF THIS PROPERTY IS LOCATED IN FLOOD ZONE AE AS SHC FL.00DPLA IN INFORMATION FEDERAL EMERGENCY MANAGEMENT AGENCY, FLOOD INSURANCE RP NUMBER: 51003CO289D, DATED: 02/04/2005 NVGD 1988 AREA TAX MAPtPARCEL. 78-20 13.31 AC DEED BOOK 2913, PAGE 156 R1 ZONING INFORMATION MANAGED AND PRESERVED SLOPES OVERLAY DISTRICT FRONT --MIN 5 FEET SETBACKS FRONT -MAX 25 FEET SIDE ZERO REAR 20 FEET 65 FEET MAXIMUM BUIDLiNG HEIGHT FOR EACH STORY THAT BEGINS ABOVE 40 FEET IN HEIGHT OR FOR EA+ STEPBACKS - ABOVE THE THIRD STORY, WHICHEVER IS LESS, THE MINIMUM STEPBA SHALL BE A MINIMUM OF 15 FEET. REFER TO ARCHITECTS PLAN FOR C (AC 15 DU . MAXIMUM DENSITY # OF UNITS 144 (96 2BD, 48 1BD) GROSS DENSITY GROSS DENSITY 10.82 DUTAC LAND COVER SCHEDULE LAND °;OVER PRE -DEVELOPMENT MENT POST-DELOPMENT BLIP DOF 0.00 AC 0.00°% 1.32 AC PAVE. . 0.00 AC 0.00% 1.57 AC OPEN SPACE 13.76 AC 100.00% 10.87 AC TOTAL 13.76 AC 100.00% 13.76 AC RECREATION REGULATION MINIMUM REQUIRED AREA 200 SQFT/UNIT = 28,800 SOFT'<5% GROSS SITE AREA PROVIDED AREA POOL AREA 3,490 SQFT 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 UNITSA ND FOR REQUIRED ADDITIONAL 50 UNITS SHALL CONTAIN EQUIPMENT WHICH PROVIDES At EQUIVALENT TO: ONE SWING SET, ONE SLIDE, TWO CLIMBERS, ONE Bl TWO BENCHES. 1 HALF BASKETBALL COURT SHALL BE PROVIDED FOR EACH 100 UNITS D1 HALF -BASKETBALL COURT IS REQUIRED PER 4.16.2.1 THE APPLICANT APPLICANTPROPOSES TO SUBSTITUTE THE. MINIMUM REQUIRED F WITH THE FOLLOWING: PROVIDED FACILITIES ACTIVE RECREATION AREAS: SWIMMING POOL WORKOUT FACILITY CLUBHOUSE :PASSIVE RECREATION AREAS: TRAILS IN WOODED AREA AND CONNECTION TO COUNTY TRAILS SYSTEM-GREENWAY PARKING REQUIREMENTS REQUIREMENT: '2 SPACES PER UNIT(2BDAPT) 1.5 SPACE PER UNITE (1BD APT) 2 = 192 SPACES 48 UNITS X 1.5 _ 72 SPACE 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 VPDIUNIT 1144 UNITS 1440 VPD TOTAL ADT LANDSCAPE NOTE THE INIPERVIOUS AREA DOES NOT EXCEED 80% OF THE SITE AND IS NOT IN AN ENTRANCE CORRIDOR (32.7.9.2(b)). LANDSCAPE PLAN WILL BE PROVIDED FOR FINAL SITE PLAN SUBMISSION. a CV S V �® S moons 100001 HOMES ..r i s_ « I DOM. PROJECT 7 00 INDEX ISP Y IL ?MP 78-��� SOUTH PANTOPS LIMITED PARTNERSHIP --~ BOUNDARY CURVE TABLE Curve Length Radius Delta Tangent Chord Chord Bearing 0) �� �� .~ 0 Q) c � � -����� - -- � ` � \ \ ` / . . . DOM. PROJE INDEX TITLE: 50 I S P 71D -150 1-==00~SHEET NO: 3 OF 10 ~`_. _- -- -_ __ __ -- -- ---- ---- - DATE: �� ��^ =w^ 20z= � 11 / I/ co i � / /,-,-,--, , I ,,__,.____­/, I "_ / , .� 1� I " "I ­­1 ,,___.,_____� ,,l,,-,--­­­Z , __­___.1/ , / __1 y / ... ...... I � / ...... -""-,-,, / _/, ­ _­/ I /_ ­­­ ­/ _/ /, I,/ �, ­­­/ �, I /��__,___,_/ - l -- I C/� - , ­­­­/1 �,� /_� ,---.,/ /",--,-- ": co , Q4 b (D Q) . �_, , , to r ,,__ , "a 7, / I /_,,,,___ /1--,"', , ,-,- _ -Z , / -1 C�� 17r I _,�_, 11 - �� ,­p 43, 43( 42! 42( lus UK No* 39 37; 37, RAIL PLAN _ I .. 30 0 30 60 91 SCALE: I"=30' (EX.D s (2D 20C @ 3 � i ­- I I t. ­ ­_ �­ - 11 � I— 1­1 K; D --j � � I i � ; I . 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I I—' ------ I I— t, I I ­- ­111, 1.1-1­1 1­111­1- ­1-11-1- � _­ ­­- ­.- .11. 1-1, � ­1 .1. ­­ ­­­ -1.1-t ­­ __ ­ I ­ � . I I � � I i _1­11111 ­11 I ­ 1-1 I 11 ­­ ­ I ­­ 1, ._____. - I'll., I I � D � ­­­ -1 - � r - � r � JQ,fX-,E- -, - i r . ­ . 9 r 9 r r I . � r - � - - ­ r � I - ������� � , , - , , I � I - I . � 1 ' � �­ - - ' , - - - I I I I _. - I I I I I I I ­ ­ . - __ I - . I- 11 � � 91 - . r 9 � 9. ­ I r � - I . 9 1 .9 � r . � r � - 1 1 1 9 - - . � - � L '9 - I r- - � 11 __ . I ,-,. .. I . . . rrr - I - - , - - ,..........'- � - - I ­ - - ­ ­ - . 1- 11 - - I - � r ' L � I Ir . ­ ' I I I I � - - r � � I 11 I ­ r - 9 - � I - � 9 ­1 ­r ­ r , ___ 9 _ � Ir � - � -- � ­ � Ir rl' ­ ­­ 9 - I - I I - " � i r 91 � I - . r � Ir , I 1 9 - � - � � - � - I 9 � - . � ­ - � . . . 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I .- I I r I -_ I � - - I 1 9 - .1 � � ..9- ­ - 1 9 1 r I I _ - - I _ r - 19 r 'r Ir - 9 - ' ' - ' ' -1 - � - � r - -- - - I I - 1 19 Ir r I I I I r I " ­ - Ir ' I r I - I - ._ _ - r - - ' L' ­- 9 I I I - I I I - I , . . . . , I ,r I r9 r 9 1 9 _ 19 - I . I - ­Ir ' ' -... 19 - ' .1 ' � - . . - ) - r - , 'r I I I 1 9 r I r , _ _, , . - - � ­ r- - ".. 9 � � I i 6 �. I r r I � . r - L - . �9 1 � , I � - Ir - L ' ' 9 � I I - ' - 9 - - - - r - � r _ 9 9 � I . r �9 - . I 1. . - __ �- 1 9 19 1 91 , r- ­1- r - - � ­ r I - 9 9 - r - I- r r . . ­ r L ­ . 11 � � 9 1 - � 9 . - I I 1 9 � . 1 9 ,rr -1 9 _ - � 9- r 9 , I 9, ­ - - -- r I - r -9 - I I . - r - '- r � -- r- I - r r-1 � - .- - I I ' . I r r - -9r - � � ' � ' -9 - �- 9- � I I I � � � I I r .. r . I rr ........ - -r - I..- . 9 _ ,, , - . -r . r . - - 19 I 1 ­ 9 � I - I - - I 1 - > � - - . - ' - 9 r � � 1 - � 9 ' ..... - . 99 � - , � ' � � I - r � _ _ :-_ r_ ,,, 9 - I I . . . r � I r . I - - 9 1 � . - � � r . 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I 1 ­0 I � - I- . . 9 - 9 ' )G r I . r .9 1 � I- I I - , W . � � � , I I I r r 11 - 9 1 r - I I 9r 911 1 1 1 - -111 I -_ 9 1, r , , 11 ' 11 9 - _ ' I _ I - � 919 � - 1 9 ­ I ; � r 9 - r __ I— � r- �- I - . -1 � , r - r � I - � - 11 r .- � .9,9 19 I I . � - - r - 19 9 r I ­ . I r 1 19 1 1 1 1 9 r r ' - I 1 9 � - ,��9 � I Lr - ­ - - - ­r -1 . - � - I � ._ . r - 9 _ , -1 99' ' , - __ 9 ­1 _1 � ' - I - - � r ,rq ­ , . ., 9 � ­ i . ..r �r. 1. 9 1 91 �- r -1 � ' � 9' r ­ r -- � - - I ' � - 9 r � , I r - . . I ' ' 1 9 ' , ' -" - 9 - - ' r' ' ' _r _ , , Ir ' - - -r - 0, r " I 1 9 1 - I - ' r I " I L . - r- � r I M - r - - -- 1 9 - - - - r 9 - rr- , : � r I . r - � N r- - . - . r- r ' . 11 � - r � r Ir - r I rl � r I I . � - - - I - I � - 9 . I � � r - ' � I � � �r I -r -.r . '9 . 9 . 9. . I � - � �� . 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No . 33028 4 03-05-2018 . 0 A I # h� F25N a � • I � son I , � , D 435 i i Bosom 430 I 11 mommol 425 i ■ i I ■ �20 � 1 1 � 1 I � I a I I �10 � AW5 1 � I �0ii a 395 1 c,90 i 1 1 1 �,185 i � I t;80 � I r 375 i r i � 370 r 1 �i DOM. PROJECT NO: 17.0110 i I INDEX TITLE: 1� !I ii ISP6 i I - ,I SHEET NO: 6 OF 10 Project Dame: Date: VRRM SPREADSHEET South Pantops Vistas Q3/01/20i r Design Specifications List: 2013 Draft Stds & Specs Site Information 'Land Cover (acres) 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 (lb/acre/yr) 0.41 Pj (unitless correction factor) 0.90 Runnff rneffirients (RvIl A Soils B Soils 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 C�' 44� 9! � _ gSV L 6 S ■! U ;I, -f H 0 /Licc.No. t 03-05-2018 • a �0NAL , �1111 ISOMER--- 9�-+-���-,� �i 17-1 Z CD E-1 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 � PROTECTION HAS BEEN MET FOR THE SITE. CONCENTRATED FLOWS MUST BE CONVEYED TO AN ADEQUATE CHANNEL. SITE AREA = 13.31 NACRES. 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 mil = 302,080 acres LU 1 % OF 302,080 acres = 3,021 acres > 13.31 acres OK LU 0-4 THE CARRIAGE HILL (SDP 2000-00013) POND COMPUTATIONS AND NARRATIVE SHOWS THAT THE 2 YEAR AND 10 YEAR FLOWS LEAVING THE EXISTING 54" PIPE UNDER SOUTH PANTOPS IS 75 cfs AND 101 cfs DOM. PROJECT N0:� RESPECTIVELY. THE PRELIMINARY ANALYSIS ANTICIPATES THAT OUR 2 YEAR AND 10 YEAR PEAK FLOWS INDEX TITLE: 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. is 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). 1 SHEET NO: 7 OF 10 ` � ~' � � . / � ' -- "' 4 4,' 44( 43! 43( 42! 42( 41! 41< 40,' 40( 39" 38< 3& 381 STG0|T DISTANCE PROFILE , . VERTICAL SCALE: 1 =1U. HORIZONTAL SCALE: 1. =30 450 445 440 435 430 425 420 415 410 405 400 385 390 385 JOO ' bi � S|G[TqP UnqPAhJ//U7 PLAN T7II7W Lie. No. 33028 03-05-2018 LL'tONAL 01 iaim � � � � immool RENEE DOM. PROJECT NO: 17.0110 h1DW1 TITLE: I s P SHEET NO: 8 OF 10 summFlum ®51IS, 0) .0 Gj C AR 0 C C E c: 0 Narrd PROPOSED RIGHT—OF—WAY DEDICATION (WIDTH VARIES) es RIGHT—OF—WAY VARIES �,Xj 14 OR k PROPERTY LINE ­� Y-1 F. S Lie, No. 33028 PROPOSED PROPOSED EXISTING ROAD EXISTING 03-05-2018 0 G POSE2' 5' 12' RIGHT TURN LANE 24' CURB TO EPUARDRAIL CONC. SIDEWALK MATCH EXISTING CROSS CONIC. (SEE PLAN FOR SLOPE SIDEWALK '(01VAL "k OR"_� LOCATION) SITE 0. 5' TYP 0. 5' TYP PROPOSED 2.0% EXISTING EDGE EXISTING GRADE PROPOSED PROPOSED 0, P -------- Cn 77" 0 RETAINING WALL A) 4•GRADE PAVEMENT NEEDED (SEE PLAN '�C_G- 6 - - - - - - - - - - - - - - - - - - - - - / - - - - - - - - - - - - - - - - CG--6-,r �2 FOR LOCATION) _T w I 1 0— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — MATCH EXISTING EXISTING GRADE PAVEMENT SECTION pz DIMENSION IS 1WHERE THERE IS NO GUARDRAIL > SOUTH PANTOP'�__)' DRIVE :z TYPICAL ROAD C'OS ,_�) SECTION 0 NOT TO SCALE ca VDOT TRAFFIC COUNT LEFT TURN LANE WARRANT RIGHT TURN LANE WARRANT z SUMMARY F t CT, 3' - 8 FIGR-26 00 9 1. JTE Manual, Apattfrnent CGde 220, pg 308 Vifqin:a Depuftment of Transporlalior Tranic ErraineerinQ DwiMn U2 -nales By Gection of Route Annual Average Drah Traffic Vounia Esti, 2016 —Jl Average Rate of traff ic 0,6� (4-6pro) �Izzilh", Ur Ir"U"i Albargarle NWntenwce Area 4, Truck --- -------- K Mr Houle Unq1h AADT QA 4 �,re 3 us 0c; QK ANNUF QW Year r i, cz r,' 0 j-' R 2AA@ 3+A;Klp Mail 2Trirl Fait Fa�'tof With 65% of traffic entering the Apartmentsand 35% leaving S It _T NA NA 10,1W2012 Y TU LANE AW TAPEA,1q; Too 14 Peter Jeffemn Pkwy C,38 5600 R Vehicles per twur Average rate x Dwelling units -d- di Lu 4 10,18 2012 < MA NA 0�62 144 (z C, 70 5100 &mh pantor, Elf R 4-44- _41- k --4-T L ,F 89 VPH �v 1;-Lu 02 1117: C11. 1163 FG,,va.le Lane 0.20 940 R NA NA 04:05,2012 ._J z 65% X 89 Vp[i co re A., 6�%, Vehicles entering Apa ,nrt IN rtrine ruxyalo Laim 0.06 400 R NA NA 04,05!q) 2 _j 58 VPH .. .. ... .... . N 38 Fax Hum Lagre C'I 1 110 R NA NA GAV512012 W 0 AA DT 5 1,00 - i ' . - 4 2. VVOT2016 Trgffic Dato Publication for South Pantops Drive NA 04XJ&2012 120 250 R NA z 777 n"I - 40 '281 > 0.08 90 R NA NA CNQ5/2012 2, C ("I NO 11,10 LAXES' Fox Hum, Ct 0A 0, 5,,� K-Factor- Not provided by Traffic Data Publication. N G, :LaW- I'urin 'UIR OR TAPYRS Rf7Q NA NA 04,,05l2012 LL" 143 Assume Q. 11 based on average of 5 comparable roads, CD L Fax Crest Way G,09 140 R 4, -------- Foxcbase Rae 0. 20 170 R NA NA G4,105!201? as j H'Inters way 44 2700 R NA NA IWIW2012 Cul Rmwing Fox Ct 11-05 80 R NA NA 04,Y,5;2012 1,2-1141 14, .A 114LIL �147 Runnnq Fox Lane G,11 150 R W 1sa, NA NA 04,705!20',li,1 ROVILe K-Rtctur RT-40 Thornas Jefferson Pkwy 0.134 AT 240 Three Notchd Rd 0.102 RT-250 Grady Ave 0,096 RT-250 RiLlillmund Rd 0.104 RT-1455 Whitewood Rd 0.104 Average 0.108 WO 4W 602 281 PHV A"ROACK TOTAL, VURCLEB PER HOLIq 20a281 4.0,E BOO I OJOi Appropriate ROOUS. required at MI frijers.ections and Entrances (Corp nercialor Priviie), wE­i V,',ADVANCING V10LUME (VPH) LEGEND C) FIGURE:�-8 PHV - Peak Hour Volume latso Design Huridy VrAurne eqvilvalent) C) (I",- Leapng Far; Ct U.04 46 177 R NA NA [14,'05,2012 Mlgft�Rgt., r 111ght Lurng� -PAr =�=l For poatpd speelds At or finder 45 mph, PHV right Lurna > 40, and Nlill Q,,,0 D( 1'r 2 0,27 590 R NA NA G�C05�2012 Dir�cflnnal factor � 0,5 PlIV104,11! < 30Q. Adju-.StE�df-igh.,tttj:-,",S=PH Right 'Turos-20 0'-11 �4 (h,,, C. Mill Greek Dr 0.07 970 7H 14 01 CAVrr1WWAr1 NA NA 04,0512012 PHV AADT x X x D If PHV is noikwwi uge formula: f,"HV = AUT x K. x 0 K = the wcent of AADT occrinring in the peak hcur M11 CreeK or 0:25 1400 R NA NA 04,�15,�2012 5 100 X 0.11 X 0.5 D!t the percent tratfic in'the peak, dtrer;tion of law E Mill Cfe,.k Dr CA3 wo R bjA NA 04,V51012 281 VPH Note; An awwaQe of 11% faltK K 0 will suffice. E-4 E-1 Corrpemtoiitr Dr G, 0 3 320 R NA NA 3 7 r3 1 S'201 2 z- 20.6%, W w "q m:: aA i0,00;s, ore#ort 1414m % P-4 7777777771-- FIGURE 3-26 FOR RIGHT TURN TREAT M ENT(2-LANE HIGHWAY) 1_4 C> Coppmloflu Df v.Z 0,08 220 R NA NA 07,3122012 3. For Left-lurn storage larles,, Fgure�3-8fromAppendixr-, coppi-,rslone Dr 0.05 45 R NA NA 07,131t2912 En trances Rev. 1115 1_� N1111 Cfee� CA l;.10 180 R NA NA 011050),12 afar RP, h t - turn 's, toru ge to, w5; Fig u re.3-26 frorn Appe n dik F� "A ccess man aq wn en t Des ig n S raln dard, for _4 Entronces, LU LU 58 x Adjustment for Right turns., PHV R[ght Turn — 20 58 VPH -20- 38 VPH DOM. PROJECT NO: 17.0110 INDEX TITLE: ISP9 TURN LANE WARRANT ANAL- T S I AL SHEET NO: 9 OF 10 DATE: 03/05/2018