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Home My WebLink AboutSDP201700049 Plan - Approved Initial Site Plan 2017-10-06_._.� EXIS77NG CULVERT -.••-•.. EARTH DITCH CULVERT DRIVEWAY CULVERT A DROP INLET & STRUCTURE NO. + BENCH MARK CURB - - - - - CLEARING LIMITS CURB & GUTTER ........................................ . PROPOSED PAVEMENT VDOT STANDARD STOP SIGN zco EXISTING CONTOUR PROPOSED PERM PAVERS ypp PROPOSED CONTOUR EC -3A DITCH 240.55 PROPOSED SPOT ELEVA77ON 6 DEPTH OF EC -3A DITCH GENERAL NOTES: 1. IMPERVIOUS AREA: ROADWAY= 28,567 (PHASE 1) + 1.0,378 (PHASE II) = 38,945 SF (o.89 AC) SIDEWALK/DRIVEWAYS= 22,110 (PHASE 1) +6,042 (PHASE 11) = 28,152 SF (o.65 AC) BUILDINGS= 63,700 (PHASE 1) + 10,995 (PHASE II) = 74,695 SF (1.71 AC) 2. ITE TRIP GENERATION: TRAFFIC IMPACT NUMBERS ARE BASED ON THE ITE TRIP GENERATION MANUAL, 8TH EDITION. PHASE I: CODES 210 WERE USED FOR THE DEVELOPMENT PROPOSED 28 DWELLING UNITS ADT RATE - 268 ADT (134 ENTER/134 EXIT) AM PEAK RATE - 21 VPH (5 ENTER/16 EXIT) PM PEAK RATE - 28 VPH (18 ENTER/10 EXIT) PHASE II: CODES 230 WERE USED FOR THE DEVELOPMENT PROPOSED 14 TOWNHOUSE UNITS ADT RATE - 81 ADT (4o ENTER/41 EXIT) AM PEAK RATE - 6 VPH (1 ENTER/5 EXIT) PM PEAK RATE - 7 VPH (5 ENTER/2 EXIT) 3. THIS SITE CONTAINS BOTH MANAGED AND PRESERVED SLOPES AS SHOWN ON THIS PLAN. 4. ALL TRASH SHALL BE COLLETED BY A DRIVING DUMPSTER SERVICE - EACH LOT SHALL HAVE AN INDIVIDUAL TRASH CONTAINER. 5. NO ON STREET LIGHTING IS PROPOSED WITH THIS PLAN. 6. THIS PROPERTY IS NOT LOCATED WITHIN A DAM INUNDATION ZONE. GENERAL NOTES Sheet Number OWNER/APPLICANT- 06100-00-00-16500 OVERALL LAYOUT & DEVELOPMENT PLAN DUNLORA INVESTMENTS, LLC EXISTING APPROVED CONDITIONS 455 SECOND ST SE, SUITE 400 GRADING AND UTILITY PLAN CHARLOTTESVILLE, VA 22902 ENGINEER: COLLINS ENGINEERING QR IQUERCUS RUBRA 200 GARRETT ST, SUITE K 424 41 17,384 CHARLOTTESVILLE, VA 22902 CANOPY CALWLATION&I (434)293-3719 TAX MAP NO.: 06100-00-00-16500 (DB 4657 PG 413) TOTAL PROJECT AREA: 8.62 ACRES TOTAL (PHASE 1 = Z60 AC; PHASE 11 = 1.02 AC) ZONING: R-4 RESIDENTIAL (BY -RIGHT) - NO PROFFERS 36 AIRPORT IMPACT AREA (AIA) PROPOSED USE. PHASE I - 2,348 16 SINGLE FAMIL Y A TTA CHED UNI IS AND 38 12 SINGLE FAMILY DETACHED UNITS 1,080 PHASE Il - 14 TOWNHOUSES REQUIRED DENSITY- 4 DU/AC BONUS LEVEL CLUSTER DEVELOPMENT 40 (NO MINIMUM LOT SIZE) PROPOSED DENSITY- PHASE 1 - 28 UNITS 2,095 PHASE 11 - 14 UNI IS LU TOTAL - 42 DU/8.62 AC = 4.87 UNITS/AC 1,215 BONUS DENSITY AFFORDABLE HOUSING (6) TOWNHOUSE UNITS HAVE BEEN PROPOSED AS AFFORDABLE DWELLING UNITS ALLOWING FOR AN ADDITIONAL (8) MARKET RATE UNITS TO BE CONSTRUCTED. *SIGNIFIES THE PROPOSED AFFORDABLE UNITS OPEN SPA CE: REQ: 2.16, AC OF DEVELOPMENT AREA (259), PROV OPEN SPACE A (0.09 AC) + OPEN SPACE B (2.54 AC) = 2.63 AC (317) 0.84 AC OUTSIDE CRITICAL SLOPES AND SWM (327 OF TOTAL) z THE OPEN SPACE WILL BE DEDICATED TO THE HOA, BUILDING HEIGHTS: MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35' NON -INFILL SETBACKS: FRONT 5' MIN AND 25' MAX SIDE. • 10' BUILDING SEPARATION REAR: 20' MIN AND NO MAX SUBDIVISION STREETS: PHASE I - CURB & GUTTER (PARKING ON ONE SIDE ONLY) PHASE 11 - UNITS FRONTING RIO ROAD & DUNLORA DRIVE WITH PRIVATE ACCESS ALLEY FROM VARICK STREET WATERSHED: THIS PARCEL IS NOT IN A WATER SUPPLY PROTECTED AREA - SITE DRAINS TO MEADOW CREEK. SI AGRICULTURAL/ FORESTAL DISTRICT NONE TOPO & SURVEY TOPOGRAPHY AND BOUNDARY INFORMATION PROVIDED WITH ON -GROUND SURVEY BY CARDINAL SURVEY IN SEPTEMBER 2016. NOTE. • TOPOGRAPHY HAS BEEN UPDATED FOR PHASE I LAND DISTURBANCE. DA TUM: NAD 83 EXISTING VEGETATION: PARTIALLY WOODED WITH EXISTING RESIDENCE STRUCTURES LIGHTING: NO LIGHTING IS PROPOSED PHASING: THIS PLAN IS PHASE II OF DUNLORA PARK (FALL 2017) RECREATION: 2.63 ACRES OPEN SPACE (PASSIVE RECREATION AREA) PARKING. • PHASE 1/: 2 OFF-STREET PARKING SPACES SHALL BE PROVIDED FOR EACH DWELLING UNIT + 1 SPACE PER (4) UNITS FOR GUEST PARKING: TOTAL PARKING REQUIRED: 28 SPACES ON THE LOTS + (4) GUEST SPACES TOTAL PARKING PROVIDED: 28 SPACES ON THE LOTS + (5) GUEST SPACES BUILDING SI TES: PARCELS 1-42 MAY NOT BE FURTHER DIVIDED. ONLY (1) DWELLING UNIT PER LOT SHALL BE ALLOWED. BURIAL SITES. NONE STREAM BUFFERS/FLOODPLAIN: THERE IS A PORTION OF A WPO STREAM BUFFER LOCATED AT THE SOUTHEAST CORNER OF THE SITE. THERE IS NO 100- YEAR FLOODPLAIN LIMITS ON THE SUBJECT PARCEL, PER FEMA MAP 51003CO229D; FEBRUARY 4, 2005 OFFSITE DISTURBANCE. NO OFFSIDE DISTURBANCE IS PROPOSED WITH THIS PLAN, EXCEPT FOR THE TIE-IN CONNECTION TO THE SANITARY SEWER WITHIN EXISTING UTILITY EASEMENT. LANDSCAPING: STREET TREES ARE PROPOSED ALONG THE NEIGHBORHOOD STREETS IN ACCORDANCE WITH ALBEMARLE COUNTY LANDSCAPING REQUIREMENTS. LAND AREAS: OPEN SPA CE. 2.63 AC. (317.) LOTS.• 4.78 AC. (557) ROW DEDICATION: 1.21 AC. (147) Sheet List Table Sheet Number Sheet Title 1 OVERALL LAYOUT & DEVELOPMENT PLAN 2 EXISTING APPROVED CONDITIONS 3 GRADING AND UTILITY PLAN 4 STORMWATER MANAGEMENT, NOTES, & DETAILS w } / J 4 TOTAL NUMBER OF SHEETS 2: U FROM APPROVE ROAD PLAN STREET TREES PLUS 13 -� VICI N ITY M G ,' SCALE: " = 59b, // % / NO PARKING f l ,. p , ,. SIGN PHASE LINE f 7 . TMP 06100-00-00-16900 ` e S(M BOTANICAL COMMON NAME 9ZE CANOPY(sf) TOTALSITE QUANTITY COVERAGE (sf) TREES 1,015 1,028 QP QUERCUS PALUSTRIS PIN OAK 21/2" cal. 419 26 10,894 QR IQUERCUS RUBRA RED OAK 2 1/2" cal. 424 41 17,384 TOTALCANOPY CANOPY CALWLATION&I 1 67 28,278 v/ � Iu VAR. WIDTH PRIVATE ACCESS ESMT. O \'� LX_COMMONWEALTH OF VA (VDOT) x .. (D. B. x-622, PG. 523) %� I / >' TO BENEFIT LOTS ;29-42 � a � � Q {� C� `; ;,, DUNLORA PARCEL AREA: 8.62 AC LU i' 9 / 20% CANOPY REQUIRED: L, 42 SFA / TREE PRESERVATION AREA: -1.64 AC LU ADDITIONAL CANOPY REQUIRED: =0.08 AC 5 338 SF f ADDITIONAL CANOPY PROVIDED: =0.65 AC .1 INTERIOR LANDSCAPING: CPAVED ANOPY ASKING & CIRCULATION AREA: 34,766 SF I� 2 ,� : ` Jcl V f / ,�✓' r �` UIRED (5%): 1,738 SF %i f 1; CANOPY PROVIDED: 20,736 SF �, 42' SFA /J/`/ I / / i NO PARKING 4 9 6 S r ; SIGN /. 9 LLJ LOT NUMBER LOT AREA (sf) BUILDABLE AREA (sf) 29 2,984 1,270 30 1,015 1,028 31 2,403 957 32 2,321 872 33 1,897 937 34 2,006 1,047 35 1,995 1,037 36 1,903 946 37 2,348 1,028 38 2,390 1,080 39 Q 998 40 2,034 1,077 41 2,095 1,139 LU 2,71 1,215 z � � Ui to%LU '- v/ � Iu VAR. WIDTH PRIVATE ACCESS ESMT. O \'� LX_COMMONWEALTH OF VA (VDOT) x .. (D. B. x-622, PG. 523) %� I / >' TO BENEFIT LOTS ;29-42 � a � � Q {� C� `; ;,, DUNLORA PARCEL AREA: 8.62 AC LU i' 9 / 20% CANOPY REQUIRED: L, 42 SFA / TREE PRESERVATION AREA: -1.64 AC LU ADDITIONAL CANOPY REQUIRED: =0.08 AC 5 338 SF f ADDITIONAL CANOPY PROVIDED: =0.65 AC .1 INTERIOR LANDSCAPING: CPAVED ANOPY ASKING & CIRCULATION AREA: 34,766 SF I� 2 ,� : ` Jcl V f / ,�✓' r �` UIRED (5%): 1,738 SF %i f 1; CANOPY PROVIDED: 20,736 SF �, 42' SFA /J/`/ I / / i NO PARKING 4 9 6 S r ; SIGN /. 9 LLJ LOT NUMBER LOT AREA (sf) BUILDABLE AREA (sf) 29 2,984 1,270 30 1,015 1,028 31 2,403 957 32 2,321 872 33 1,897 937 34 2,006 1,047 35 1,995 1,037 36 1,903 946 37 2,348 1,028 38 2,390 1,080 39 1,956 998 40 2,034 1,077 41 2,095 1,139 42 2,71 1,215 \ \ G \ '::� •- _' : f •::_. K. ,. '\" ..0 t:.r - sass se -cs� % -'l. \ UU I NUL SWM � � ,1 'APROPOSED SEGMENTED \ . \CL \. :. I &CRITICAL SLOP �.. r> w, :�� 0.84 ACRES RETAINING WALL W� x/ 0 �!'l;:'� ' : `..;,. Lor„ • ,,_i Y '\ : / ?• �.or'..":..;. t,. �x 5 - t h GUARDRAIL & SAFETY FENCING ! . SFA / ..G f- so t,J '�%^� `. / s.asa 5.338 e '. ..\'� / ♦ �. \ , n\R� �., .v' f`F d 42'TSFA /. `;Y.� \\ \ � IMAX HT. 18) r' /LOT aJ F r� 42' s / \ <.\£'�a d2' 9'A 3 '/ fk t \ �` )7 `` , <'. y / .� l : +/'.!! / +.•ssa 5F 111 _1111.1,i: / LOT ,3/ ,."., \ > y LL Cf) PROPOSED TURN AROUND Lorza A/ ICD A*UN46 A888 - 3 �_J 1 0�f f � •o��-y'1' �� } �. � A � df. j�i� � % 3E. �. $ ✓ ',.* .•X"',��tt / 42 9'h 4a r'afi) ;` f f F � {3 `\ `\ X 1 G> r (� - s.as,13 QR LOT 25 xs:ir \ \ \ 0 C) �(1 OPEN PACEA +r 3A or,s .54 ACRES b, LOT 2�s /// � .,•, L 'i 1E. / /� w'c;! � �LtTM �, e sz� f Y% \ \ ++ O T } J S.39OSFA SF x•3.1 `ka.� `--: bu �\/.'.# -Ix,„,5. Lor 23 '�, w 'rf$' - ".w% h :\ <;• ,,, r, --'sem f �t \\ `, \\ LU 5 4r11 �A Lor n Lore snSFA X.t ^� W �, - V �•i t s: / 1.111 s� v E CSP / TMP 06100-00-00-165C0 / :� 5 N �, LU Uj CSS, ,✓ '' 1' r r t \ 0_ S p .^__.--------f, V l LAWRENCE E. MARTIN, JR. cry r.c ' ti O ` \ k. ` Lor ao r'" "° ✓1• 1st Ll. (D.B. 4552, PG. 15) , \\ 3os No. �o Sr " 1 / 381 LOT 19 1 i. \ tU NY g g,152115 rr l \ t p \�GRAPHIC SCALE 'Y , -; = rx,. 0 3 CONC. SIDEWALK ` / f SPACi`.;, , \ sc� -f 20 / 0 10 20 40 80 ��\'_,,, `'\ O 54N ACRES A FF,,..->;< �< .\ cS /// M6 \ \4 AS NOTED a .. „ OPEN SPACE OUTSIDE OF SWM & CRI L SLOPES EXTEND SIDEWALK ti 1 �, ( IN FEET �'..' OPEN SPACE BOUNDARY h \ � �� SHEET NO. Q- 1 inch = 20 ft. TO PROPERTY LINE. _,•J / I V � GENERAL CONSTRUCTION NOTES FOR STREETS 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 (296-5832) 48 HOURS IN ADVANCE OF THE START OF CONSTRUCTION. 2. UPON COMPLETION OF FINE GRADING AND PREPARATION OF THE ROADBED SUBGRADE, THE CONTRACTOR 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, A REVISED PAVEMENT DESIGN SHALL BE MADE BY THE DESIGN ENGINEER AND SUBMITTED WITH THE TEST RESULTS FOR APPROVAL. J. SURFACE DRAINAGE AND PIPE DISCHARGE MUST BE RETAINED WITHIN THE PUBLIC RIGHT-OF-WAY OR WITHIN EASEMENTS PRIOR TO ACCEPTANCE BY THE COUNTY ALL DRAINAGE OUTFALL EASEMENTS ARE TO BE EXTENDED TO A BOUNDARY LINE OR A NATURAL WA TERCOURSE. 4. GUARDRAIL LOCA TIONS ARE APPROXIMA TE. EXACT LENGTH, LOCA TION AND APPR;OPRIA TE END TREATMENTS WILL BE FIELD VERIFIED AT THE TIME OF CONSTRUCTION. ADD)(TIONAL GUARDRAIL MAY BE REQUIRED AT 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 OF PAVEMENT TO THE FACE OF GUARDRAIL, AND ROADWAY SHOULDER WIDTHS SHAjLL BE INCREASED TO SEVEN (7) FEET 5. WHERE URBAN CROSS SECTIONS ARE INSTALLED, ALL RESIDENTIAL DRIVEWAY ENTRANCES SHALL CONFORM TO VDOT CG -9(A, B OR C). 6. WHERE RURAL CROSS SECTIONS ARE INSTALLED, ALL RESIDENTIAL DRIVEWAY ENTRANCES SHALL CONFORM TO VDOT STANDARD PE -1. 7 COMPLIANCE WITH THE MINIMUM PAVEMENT WIDTH, SHOULDER WIDTH AND DITCH SECTIONS, AS SHOWN ON THE TYPICAL PAVEMENT SECTION DETAIL, SHALL BE STRICTLY A DHERED TO. 8. ROAD PLAN APPROVAL FOR SUBDIVISIONS IS SUBJECT TO FINAL SUBDIVISION PLAT VALIDATION. SHOULD THE FINAL PLAT FOR THIS PROJECT EXPIRE PRIOR TO SIGMING AND RECORDATION, THEN APPROVAL OF T14ESE PLANS SHALL BE NULL AND VOID. 9. ALL SIGNS OR OTHER REGULATORY DEVICES SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES AND THE ALBEMARLE COUNTY ROAD NAMING AND PROPERTY NUMBERING ORDINANCE AND MANUAL. 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 ORDER TO PROVIDE SAFE AND CONVENIENT AC= 11. THE SPEED LIMITS TO BE POSTED ON SPEED LIMIT SIGNS ARE 5 MPH BELOW THE DESIGN SPEED, OR AS DETERMINED BY VDOT FOR PUBLIC ROADS. 12 VDOT STANDARD CD -1 OR CD -2 CROSS -DRAINS UNDER TO BE INSTALLED UNDER THE SUBBASE MATERIAL AT ALL CUT AND FILL TRANSITIONS AND GRADE SAG POINTS AS SHOWN ON THE ROAD PROFILES. IJ A VIDEO CAMERA INSPECTION IS REQUIRED FOR ALL STORM SEWERS AND CULVERTS THA T ARE DEEMED INA CCESSIBLE TO VDO T OR COUN TY INSPEC TIONS. THE VIDEO INSPECTION SHALL BE CONDUCTED IN ACCORDANCE WITH VDOT'S VIDEO CAMERA INSPECTION PROCEDURE AND WITH A VDOT OR COUNTY INSPECTOR PRESENT GENERAL CONSTRUCTION NOTES 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 TRANSPORTA TION (VDOT). THIS PLAN AS DRA WN MA Y NOT ACCURA TEL Y REFLECT THE REQUIREMENTS OF THE PERMIT WHERE ANY DISCREPANCIES OCCUR THE REQUIREMENTS OF THE PERMIT SHALL GOVERN 2. ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS AND STANDARDS OF VDOT UNLESS OTHERWISE NOTED. J. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE APPROVED EROSION CONTROL PLAN AND SHALL BE INSTALLED PRIOR TO ANY CLEARING, GRADING OR OTHER CONSTRUCTION. 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 OB TA INA BL E, L ESSER SL OPES OF J.' 1 OR BE TIER A RE TO BE A CHIE AED. 6. PAVED, RIP -RAP OR STABILIZATION MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF THE COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A DRAINAGE CHANNEL. 7 ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UN11FORM TRAFFIC CONTROL DEVICES. 8. UNLESS OTHERWISE NOTED, ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE -CLASS W. 9. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). (5' MIN.) ROAD NOTES GRADING 1. THE LATEST EDITION OF THE ROAD & BRIDGE SPECIFICATIONS, THE ROAD & BRIDGE STANDARDS OF THE VIRGINIA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS SHALL GOVERN THE MATERIAL AND CONSTRUCTION METHODS OF THIS PROJECT 2 WHERE UNSUITABLE MATERIAL IS ENCOUNTERED IN THE ROADWAY, IT SHALL BE REMOVED FROM THE ENTIRE ROAD RIGHT OF WAY WIDTH AND REPLACED WHERE NECESSARY WITH SUITABLE MATERIAL TO THE SATISFACTION OF THE ENGINEER. J. ALL GROWTH OF TREES AND VEGETATION SHALL BE CLEARED AND GRUBBED FOR THE ENTIRE EASEMENT OTHER TREES AND VEGETATION WHICH OBSTRUCT SIGHT DISTANCES AT ROAD INTERSECTIONS SHALL BE REMOVED. 4. ALL VEGETATION AND OVERBURDEN TO BE REMOVED FROM SHOULDER TO SHOULDER TI GRADE. DRAINAGE 1. ALL PIPE CULVERTS, EXCEPT PRIVATE ENTRANCES, SHOWN HEREON ARE TO BE RCP WITH A MINIMUM COVER OF ONE (1) FOOT 2. STANDARD UNDERDRAINS (CD -1 OR CD -2 OR UD -4'S TO BE PROVIDED AS INDICATED ON ) THE PLANS, OR WHERE FIELD CONDITIONS INDICATE. J. ALL DRI VEW4 Y ENTRANCE PIPES SHALL BE A MINIMUM OF TWENTY (20) FEET IN LENGTH AND HAVE A MINIMUM DIAMETER OF FIFTEEN (15) INCHES AND SHALL BE PLACED IN ACCORDANCE WITH THE VIRGINIA DEPARTMENT OF TRANSPORTAION SPECIFICATIONS UNLESS OT14ERWISE NOTED ON PLANS. 4. ALL DRAINAGE EASEMENT SHALL BE CLEARED AND GRADED TO THE SATISFACTION OF THE ENGINEER. DRAINAGE EASEMENTS SHALL EXTEND TO A POINT DEEMED AS NATURAL 6M TER COURSE. PA VEMEN T 1. AN ACTUAL COPY OF THE CBR REPORT IS TO BE SUBMITTED PRIOR TO THE PLACEMENT OF THE AGGREGATE BASE MATERIAL. IF THE SSV VALUES ARE LESS THAN 10, THE DEVELOPER WILL BE REQUIRED TO SUBMIT FOR ENGINEERS APPROVAL THE PROPOSED METHOD OF CORRECTION. 2. SUBGRADE MUST BE APPROVED BY THE ENGINEER FOR GRADE, TEMPLATE AND COMPACTION BEFORE BASE IS PLACED. J. TEST REPORTS ON SELECT MATERIALS MUST BE SUBMITTED SHOWING THE MATERIAL MEETS REQUIRED GRADATION FOR TYPE /, //, OR N PRIOR TO PLACING AGGREGATE BASE 4. THE REQUIREMENTS TO PUGMILL AGGREGATE BASE WILL BE WAIVED IN THE EVENT THAT THE SURFACE COURSE IS BEGINNING AT THE COMPLETION OF THE INSTALLATION OF THE AGGREGATE BASE IN THE EVENT THAT THE SURFACE COURSE IS APPLIED PRIOR TO 60 DAYS, THE PUGMILL REQUIREMENT WILL APPLY 5. THE USE OF AN AGGREGATE SPREADER IS REQUIRED WHEN PLACING AGGREGATE BASE. 6. BASE MUST BE APPROVED BY ENGINEER FOR DEPTH, TEMPLATE, AND COMPACTION BEFORE SURFACE TREA TMEN T IS APPLIED. 7 PRIME COAT MUST BE APPLIED TO BASE MATERIAL PRIOR TO PLACEMENT OF ASPHALT (PRIME COAT RC -250 0 0. J GAL.ISQ. YD.). 8. BITUMINOUS SURFACE TO BE APPLIED IN ACCORDANCE WITH CURRENT VIRGINIA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS. 9. ENCROACHMENT POSTS, WALLS, SIGNS, OR SIMILAR ORNAMENTAL STRUCTURES THAT DO NOT ENHANCE A ROADWAY'S CAPACITY OR TRAFFIC SAFETY, SHALL NOT BE PERMITTED WITHIN THE RIGHT OF WAY ONLY THOSE STRUCTURES SPECIFICALLY AUTHORIZED BY PERMIT ISSUED BY VIRGINIA DEPARTMENT OF TRANSPORTATION MAY BE LOCATED WITH)IN THE S TREE IS RI GH T OF WA Y NOTE: MANDATORY INSPECTIONS AT THE FOLLOWING PHASES ARE REQUIRED, FOR ROADS THAT ARE PROPOSED TO BE STATE MAINTAINED: INSTALLATION OF ANY ENCLOSED DRAINAGE SYSTEM BEFORE IT IS COVERED. ii. INSTALLATION OF ANY ENCLOSED UTILITY PLACEMENTS WITHIN THE RIGHT-OF-WAY BEFORE BEING COVERED. iii. CONSTRUCTION OF THE CUTS AND FILLS, INCLUDING FIELD DENSITY TESTS, BEFORE PLACEMENT OF ROADBED BASE MATERIALS. iv. A FINAL PAVEMENT DESIGN, BASED ON ACTUAL SOIL CHARACTERISTICS AND CERTIFIED TESTS, SHALL BE COMPLETED AND APPROVED BEFORE THE PAVEMENT STRUCTURE IS PLACED. v. PLACEMENT OF BASE MATERIALS, INCLUDING STONE DEPTHS, CONSISTENT WITH THE APPROVED PAVEMENT DESIGN, PRIOR TO PLACEMENT OF THE PAVING COURSE OR COURSES, FOLLOWED BY FIELD DENSITY AND MOISTURE TESTS AND THE PLACEMENT OF A PAVING COURSE AS SOON AS POSSIBLE. vi. CONSTRUCTION OF PAVEMENT, INCLUDING DEPTH AND DENSITY, UPON COMPLETION AS PART OF THE FINAL INSPECTION. vii. THE CONTRACTOR IS RESPONSIBLE FOR CONTACTING VDOT A MINIMUM OF ONE WEEK PRIOR TO EACH OF THE ABOVE PHASES OF CONSTRUCTION TO SCHEDULE AN INSPECTION. viii. FAILURE OF THE CONTRACTOR TO SCHEDULE THESE INSPECTIONS WILL REQUIRE ADDITIONAL TESTING OF THE ROADS AT THE DISCRETION OF VDOT OR MAY LEAD TO THE ROADS NOT BEING ELIGIBLE FOR STATE MAINTENANCE. 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ROAD NOTES GRADING 1. THE LATEST EDITION OF THE ROAD & BRIDGE SPECIFICATIONS, THE ROAD & BRIDGE STANDARDS OF THE VIRGINIA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS SHALL GOVERN THE MATERIAL AND CONSTRUCTION METHODS OF THIS PROJECT 2 WHERE UNSUITABLE MATERIAL IS ENCOUNTERED IN THE ROADWAY, IT SHALL BE REMOVED FROM THE ENTIRE ROAD RIGHT OF WAY WIDTH AND REPLACED WHERE NECESSARY WITH SUITABLE MATERIAL TO THE SATISFACTION OF THE ENGINEER. J. ALL GROWTH OF TREES AND VEGETATION SHALL BE CLEARED AND GRUBBED FOR THE ENTIRE EASEMENT OTHER TREES AND VEGETATION WHICH OBSTRUCT SIGHT DISTANCES AT ROAD INTERSECTIONS SHALL BE REMOVED. 4. ALL VEGETATION AND OVERBURDEN TO BE REMOVED FROM SHOULDER TO SHOULDER TI GRADE. DRAINAGE 1. ALL PIPE CULVERTS, EXCEPT PRIVATE ENTRANCES, SHOWN HEREON ARE TO BE RCP WITH A MINIMUM COVER OF ONE (1) FOOT 2. STANDARD UNDERDRAINS (CD -1 OR CD -2 OR UD -4'S TO BE PROVIDED AS INDICATED ON ) THE PLANS, OR WHERE FIELD CONDITIONS INDICATE. J. ALL DRI VEW4 Y ENTRANCE PIPES SHALL BE A MINIMUM OF TWENTY (20) FEET IN LENGTH AND HAVE A MINIMUM DIAMETER OF FIFTEEN (15) INCHES AND SHALL BE PLACED IN ACCORDANCE WITH THE VIRGINIA DEPARTMENT OF TRANSPORTAION SPECIFICATIONS UNLESS OT14ERWISE NOTED ON PLANS. 4. ALL DRAINAGE EASEMENT SHALL BE CLEARED AND GRADED TO THE SATISFACTION OF THE ENGINEER. DRAINAGE EASEMENTS SHALL EXTEND TO A POINT DEEMED AS NATURAL 6M TER COURSE. PA VEMEN T 1. AN ACTUAL COPY OF THE CBR REPORT IS TO BE SUBMITTED PRIOR TO THE PLACEMENT OF THE AGGREGATE BASE MATERIAL. IF THE SSV VALUES ARE LESS THAN 10, THE DEVELOPER WILL BE REQUIRED TO SUBMIT FOR ENGINEERS APPROVAL THE PROPOSED METHOD OF CORRECTION. 2. SUBGRADE MUST BE APPROVED BY THE ENGINEER FOR GRADE, TEMPLATE AND COMPACTION BEFORE BASE IS PLACED. J. TEST REPORTS ON SELECT MATERIALS MUST BE SUBMITTED SHOWING THE MATERIAL MEETS REQUIRED GRADATION FOR TYPE /, //, OR N PRIOR TO PLACING AGGREGATE BASE 4. THE REQUIREMENTS TO PUGMILL AGGREGATE BASE WILL BE WAIVED IN THE EVENT THAT THE SURFACE COURSE IS BEGINNING AT THE COMPLETION OF THE INSTALLATION OF THE AGGREGATE BASE IN THE EVENT THAT THE SURFACE COURSE IS APPLIED PRIOR TO 60 DAYS, THE PUGMILL REQUIREMENT WILL APPLY 5. THE USE OF AN AGGREGATE SPREADER IS REQUIRED WHEN PLACING AGGREGATE BASE. 6. BASE MUST BE APPROVED BY ENGINEER FOR DEPTH, TEMPLATE, AND COMPACTION BEFORE SURFACE TREA TMEN T IS APPLIED. 7 PRIME COAT MUST BE APPLIED TO BASE MATERIAL PRIOR TO PLACEMENT OF ASPHALT (PRIME COAT RC -250 0 0. J GAL.ISQ. YD.). 8. BITUMINOUS SURFACE TO BE APPLIED IN ACCORDANCE WITH CURRENT VIRGINIA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS. 9. ENCROACHMENT POSTS, WALLS, SIGNS, OR SIMILAR ORNAMENTAL STRUCTURES THAT DO NOT ENHANCE A ROADWAY'S CAPACITY OR TRAFFIC SAFETY, SHALL NOT BE PERMITTED WITHIN THE RIGHT OF WAY ONLY THOSE STRUCTURES SPECIFICALLY AUTHORIZED BY PERMIT ISSUED BY VIRGINIA DEPARTMENT OF TRANSPORTATION MAY BE LOCATED WITH)IN THE S TREE IS RI GH T OF WA Y NOTE: MANDATORY INSPECTIONS AT THE FOLLOWING PHASES ARE REQUIRED, FOR ROADS THAT ARE PROPOSED TO BE STATE MAINTAINED: INSTALLATION OF ANY ENCLOSED DRAINAGE SYSTEM BEFORE IT IS COVERED. ii. INSTALLATION OF ANY ENCLOSED UTILITY PLACEMENTS WITHIN THE RIGHT-OF-WAY BEFORE BEING COVERED. iii. CONSTRUCTION OF THE CUTS AND FILLS, INCLUDING FIELD DENSITY TESTS, BEFORE PLACEMENT OF ROADBED BASE MATERIALS. iv. A FINAL PAVEMENT DESIGN, BASED ON ACTUAL SOIL CHARACTERISTICS AND CERTIFIED TESTS, SHALL BE COMPLETED AND APPROVED BEFORE THE PAVEMENT STRUCTURE IS PLACED. v. PLACEMENT OF BASE MATERIALS, INCLUDING STONE DEPTHS, CONSISTENT WITH THE APPROVED PAVEMENT DESIGN, PRIOR TO PLACEMENT OF THE PAVING COURSE OR COURSES, FOLLOWED BY FIELD DENSITY AND MOISTURE TESTS AND THE PLACEMENT OF A PAVING COURSE AS SOON AS POSSIBLE. vi. CONSTRUCTION OF PAVEMENT, INCLUDING DEPTH AND DENSITY, UPON COMPLETION AS PART OF THE FINAL INSPECTION. vii. THE CONTRACTOR IS RESPONSIBLE FOR CONTACTING VDOT A MINIMUM OF ONE WEEK PRIOR TO EACH OF THE ABOVE PHASES OF CONSTRUCTION TO SCHEDULE AN INSPECTION. viii. FAILURE OF THE CONTRACTOR TO SCHEDULE THESE INSPECTIONS WILL REQUIRE ADDITIONAL TESTING OF THE ROADS AT THE DISCRETION OF VDOT OR MAY LEAD TO THE ROADS NOT BEING ELIGIBLE FOR STATE MAINTENANCE. I CIL R/W R1W POIN T OF CG_2 FINISHED GRADE CURB 1.5" SURFACE COAT 3.1 . 2% TO HE APPLIED 27. "/"/zz _< �-.I- ' ... I'll, � 7/777777777777z'2zz" 4 � �. - - 1 4" ADOT 21A SUBBASE / STONE BASE WALLJ BASE 20' 1 (5 (TRA VEL LANE) 0.5 21' BIC-RIW - - i VAR. WIDTH PRIVATE ACCESS EASEMENT 1 4 " CONC I - '. . I . . I . . 4 . . A� . \7/- / I , . . . � . .1. - .1 4 .. . . .1; - �7 1 \\7 1 - '. e " - - .. 7 . : .. � . 771 7 7 ; '\I 1. I A �', . , . _ - . . . A 1. //\ . , I I . , , , / ��:: ,,;� I I /1�1//':�'//' .... .... "I "I "I "I I ... "I "I 1 4" 21-A S,'TONE BA SE CONCRETE SIDEWALK NO SCALE _TX0-X,4Y _PWIVATT ACYCTSS ALLEY (VAR #-1VTH P-RIVATZ ACC,ESS E,4S,Pff_FAT) 2" SM -9.5A ----'�I �illillillillillillilliillillilillillillilI -I i i 0" BM -25 INTERMEDIATE COURSE ' �ZQTOIS ' * Vffi'.mj _"% , T� 11, '! - A.VP OWN - " **'o 26, 41;11� ,.Y %' 8" COMPACTED AGGREGA A'.. 0 0 1! I 0 11 I 110. ` " "" * 4 , � ' I * TE - A6 �' I'* ,4 BASE COURSE, VDOT #21A ,,!-.;�.*&Ri�;.�.i�-0.1t�t'll'�l...ei,- .11.1 llln;" 101"', I P-Roa im; OR #21B DEPENDING ON � ::: 0 � � �!� ��i I 1 '::! i �:! � 1! � � ' ' ULTIMATE TRAFFIC LIMIT i ��1?�� §00��$ ';,� � �?PA , AND UNDERDRAINS , wv."�0'0_ M-1 I COMPACTED ASPHALT PAVING - ROADS NO SCALE 0 P I of �A NA'GEMEN t" PLAN &TRIP GENERATION "! I I I "' I" -1-11-1-11-11 � I � 1� " ". ,I �. �'% ..' I : � % ,�� 1� � � j eg I ' t t A - ' ',I - - �� b I I i i. I ,� I I "", � ,� " � � I - " I __ - - - i -_ _' 1. I 11 ,,, .'. � ' ' �� - � , , 1�e 1-� -, , - I ; ; , " � \ ' \ - - -, I z I I 11 I *' � .. � - '�_\ , ��_ � 11 _� � '� �;� -_ . , i l, I I I I ''I 1-1 � - .__'�_' - , -, i I i ' , , i I " I 11 - 11 I I I I . " I � _�; - - '! - � � - - I -1 I . 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"\��- " Site Land Cover Summary �� \ ,\� \ '. I '.. .. - . i I , , '�' �' \ <. , - .. I r \ I 11 \ " �';"'�' \ N'..I _" \ "\� '%\ ��\\'�""�\ ' " %.... �<. \\\ '� -�" \ '�'�\ �xxll�::: ::��:::��z�:��:��::�� :��X: I 11 I, r�r�;�:��r�,:::,::,::,::,:,:,�: �:: �: . - - ��::�:: ::::: � d. �; �� r :; � r i r �ii r , :: ::��:�: � i ::�I: :" � : � � I i., � Ii � ,,:�r � : i �::::�: : : :: �� :� �� !:��: �:�:��!�:: :::: �' �� 4: �:! ;�r;:;;:�:,::�r:��:::�:::��::r:r; � 'i ,: , I � I ��: I �:: ��i��l��;,;��,��;,;�;�:��i!��l�l��; � � � 1 11 r 1'1�5�"�;� �� ::: r: ��::::::: 11:� �:�l'�:':':,:'�,:,�.�'�.�,�r:�l'�;::;'�;; ;;�;�;�;�;';, A soils B Soils C Soils D Soils , Forest/open (acres) I I 0.00 1.09 0.00 0.00 Managed Turf (acres) I 0.00 4.27 0.00 0.00 ImDervious lCover (acres) I o. 0o 3.26 0.00 0.00 � , \ �' - ' , I " "",\ 1� . - N I � � I \\\\� _'-Z THIS PROJECT HAS BEEN ANALYZED AS A PART OF THE APPROVED DUNLORA PARK DEVELOPMENT PARCEL CURRENTLY UNDER CONSTRUCTION. THE PROPOSED '14 TOWNHOME DEVELOPMENT REQUIRES AN ADDITIONAL PHOSPHOROUS REDUCTION OF o.61 LB/YR. THE PROPOSED PROJECT WILL PURCHASE CREDITS TO MEET ANY ADDITIONAL WATER QUALITY REQUIREMENT NOT MET BY THE PHASE I BIOFILTER AND THE OPEN SPACE PRESERVATION. 1\ '\\ �" I I %Z:, \\ 1, I \", 1, " Phase I Onsite Impervious Areas (Water Quality) "`i�_'� "", I , \'�' � Roadway 28,407 sf �' \" '�\ , \,\ "I"i ", Sidewalks & Driveways 21,188 sf N " N, `�"'\ I � Buildings 63,700 sf \\ �\ %, ,. 11 \ - I \ \%"' � , Total = 113,295 sf \\\\ \�', \ '.11 Additional D.A."B"Onsite Impervious Areas (Water Quality) \\ \\\Iij'�\�' � / ''�' Roadway 10,538 sf � \\,\ �I "\\\ \\,\ ' \ )�\, Sidewalks & Driveways 6,964 sf �\ � \ �\�" Buildings 10,995 sf i Total= 28,497 sf New Proposed Total Parcel Onsite Impervious Areas (Water Quality) Total= 141.792 sf TRIP GENERATION CALCULATIONS TRIP GENERATION BASED ON ITE TRIP GENERATION MANUAL (8TH EDITION) 14TOWNHOUSE UNITS (CODE 230) ADT: 8i VPD (4o ENTER/ 41 EXIT) AM PEAK: 6 VPH (i ENTER/ 5 EXIT) PM PEAK: 7 VPH (5 ENTER/ 2 EXIT) Site Tv and Land Cover Nutrient Loads Site Rv - -_ _ I _ 0.46 Treatment Volume (ft3) 1 14,461 TP Load (Ibfyr) 1 9.09 TN Load (lb/yr) 1 1 65.00 __j Total TP Load Reduction Required 5.55 10b/yr) I ____ I Site Compiliance Summary Total Runoff Volume Reduction (ft3) 6,993 Total TP Load Reduction Achieved 4.94 (lb/yr) -50 Total TN Load Reduction Achieved 38 (lb/yr) 36.10 Remaining Post Development TP Load LU _j 4.15 (lb/yr) 2: Remaining TP Load Reduction (lb/yr) CL 0161 Required I I Drainage Area B Drainage Area A Land Cover (acres) Totals % of Total 1.09 __ 13 4i27 -50 3.2G 38 8.62 I 100 'TH 0-'-'%'j 'e, P y �� ,SCOTT R. 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