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HomeMy WebLinkAboutSDP201700032 Plan - Approved Initial Site Plan 2017-07-21DADS EXIS77NG CULVERT -•••-••• EARTH DITCH CULVERT -� DRIVEWAY CULVERT 0 DROP INLET & STRUCTURE NO. BENCH MARK CURB - - _ CLEARING LIMITS CURB & GUTTER .............................................. i VDOT STANDARD STOP SIGN PROPOSED PAVEMENT zoo EXIS77NG CONTOUR PROPOSED PERM PAVERS PROPOSED CONTOUR EC -3A DITCH 240.55 PROPOSED SPOT ELEVA77ON 6. DEP77-1 OF EC -3A DITCH GENERAL NOTES: 1. IMPERVIOUS AREA: ROADWAY= 28,567 (APPROVED) + 7,670 (TOWNHOMES) = 35,237 SF (o.81 AC) SIDEWALK/DRIVEWAYS= 28,o18 (APPROVED) +4,450 (TOWNHOMES) = 32,468 SF (0.75 AC) BUILDINGS= 59,146 (APPROVED) + 8,778 (TOWNHOMES) = 67,924 SF (1.56 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 16 DWELLING UNITS ADT RATE - 9.57 VPD PER DU- 1.53 ADT (77 ENTER/76 EXIT) AM PEAK RATE - 0.75 VPH PER DU = 12 VPH (3 ENTER/9 EXIT) PM PEAK RATE - 1.01 VPH PER DU = 16 VPH (10 ENTER/6 EXIT) CODES 230 WERE USED FOR THE DEVELOPMENT PROPOSED 15 DWELLING UNITS ADT RATE - 5.86 VPD PER DU = 88 ADT (44 ENTER/44 EXIT) AM PEAK RATE - 0.44 VPN PER DU = 7 VPH (1 ENTER/6 EXIT) PM PEAK RATE - 0.52 VPH PER DU = 8 VPH (5 ENTER/3 EXIT) PHASE 11: CODES 230 WERE USED FOR THE DEVELOPMENT PROPOSED 11 TOWNHOUSE,UNITS ADT RATE - 5.86 VPD PER DU = 64 ADT (32 ENTER/32 EXIT) AM PEAK RATE - 0.44 VPH PER DU = 5 VPH (1 ENTER/4 EXIT) PM PEAK RATE - 0.52 VPH PER DU = 6 VPH (4 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. NOON STREET LIGHTING IS PROPOSED WITH THIS PLAN. 6. THIS PROPERTY IS NOT LOCATED WITHIN A DAM INUNDATION ZONE. GENERAL NOTES OWNER/APPLICANT 06100-0011-00-16500 DUNLORA INVESTMENTS, LLC 455 SECOND ST SE, SUITE 400 CHARLOTTESVILLE, VA 22902 ENGINEER: COLLINS ENGINEERING 200 GARRETT ST, SUITE K CHARLOTTESVILLE, VA 22902 (434)293-3719 TAX MAP NO.: 06100-00-00-16500 (DB 4657 PG 413) TOTAL PROJECT AREA: 8.55 ACRES TOTAL PHASE 1 7.45 AC PHASE H = 1.10 AC ZONING: R-4 RESIDENTIAL (BY -RIGHT) - NO PROFFERS PROPOSED USE. PHASE 1 PREVIOUSLY APPROVED WITH 15 SINGLE FAMILY ATTACHED UNITS AND 14 SINGLE FAMILY DETACHED UNITS PHASE H - 11 TOWNHOUSES REQUIRED DENSITY.• 4 DWELLING UNITS PER ACRE PROPOSED DENSITY: PHASE 1 -', 29 UNI IS PHASE l! -- 11 UNI IS TOTAL - 4,'0 DU/8.55 AC = 4.67 UNITS/AC BONUS DENSITY- AFFORDABLE HOUSING (6) TOWNHOUSE UNITS HAVE BEEN PROPOSED AS AFFORDABLE DWELLING UNITS ALLOWING FOR AN ADDITIONAL (5) MARKET RATE UNITS TO BE CONSTRUCTED. *SIGNIFIES 7 PROPOSED AFFORDABLE UNITS OPEN SPA CE: REQ: 214 AC OF DEVELOPMENT AREA (257), PROW OPEN SPACE A (2.09 AC) + OPEN SPACE B (0.09 AC) = 218 AC (267) THE OPEN SPACE WILL BE DEDICATED TO THE HOA. BUILDING HEIGHTS: MAXIMUM BUILDING HEIGHTS SHALL NOT EXCEED 35' SETBA CKS• FRONT 5', MIN AND 25' MAX SIDE. • 10' BUILDING SEPARATION REAR: 20'I MIN AND NO MAX SUBDIVISION STREETS: PHASE I - CURB & GUTTER (PARKING ON ONE SIDE ONLY) PHASE Il T UNITS FRONTING ON RIO ROAD WITH ALLEY ACCESS FOR PARK{NG WATERSHED: THIS PARC EL IS NOT IN A WATER SUPPLY PROTECTED AREA - SI SITE DRAMS TO MEADOW CREEK. 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 VEGETA TION: PARTIALLY WOODED WITH EXISTING RESIDENCE STRUCTURES LIGHTING: NO LIGHTING IS PROPOSED PHASING: THIS PLAN IS PHASE H OF DUNLORA PARK RECREATION: NOT APPLICABLE/NOT REQUIRED TOTAL NU BER OF ATTACHED UNITS = 26 (3O UNITS OR MORE REQUIRES A RECREATION AREA) PARKING. • PHASE 10: 2 OFF-STREET PARKING SPACES SHALL BE PROVIDED FOR EACH DWELLING UNIT + 1 SPACE PER (4) UNITS FOR GUEST PARKING: TOTAL PARKING REQUIRED: 22 SPACES ON THE LOTS + (3) GUEST SPACES TOTAL PAf?KING PROVIDED: 22 SPACES ON THE LOTS + (6) GUEST SPACES BUILDING S1 TES PARCELS 1-40 MAY NOT BE FURTHER DIVIDED. ONLY (1) DWELLING ,UNIT PER LOT SHALL BE ALLOWED. BURIAL SITES: NONE STREAM BUFFERS/FLOODPLAIN: THERE 1S 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 MAF' 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. 2.50 AC. (297) LOTS 4.27 AC. (APPROVED) + 0.60 AC. (TOWNHOMES) = 4.87 AC. (567) ROW DEDICATION: 1.07 AC. (APPROVED) + 0.18 AC. (TOWNHOMES) = 1.25 AC. (157) TMP 06100-00-00-16900 COMMONWEALTH OF VA (VDOT) (n R 4F9? Pr_ r,?-�) < 41 PHASE LINE i r\'1 1. fjr " - 2 r r �- �.... \ :�:, \"' it , �: ! � � "h cy, d ! `1-r � a, ,, 42 SFA >> f i / 5,437 SFF-7 .- , / / :> / ` j ` `� PROPOSED 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 _ � � 1 F ' r `_ I � 1: \ \ / (FROM DUNLORA PARKLl ROAD PLAN) \ \�\ �{ l 1� (/'��•. ^! 1 '�/� �(� f/ i , f`1- -.._.i i d tr''++✓ � � C J 1 �1 il""yr�, RIGHT-OF-WAY ESTABLISHED WITH N�p� r�LL Ljj DUNLORA PARK ROAD PLAN \ 2 * � ` Uj i I \.V ) fro �U ; V nn f1 C. \ O fQ \l f' o; ;r u PROPOSED SEGMENTED li I / z v "n RETAINING WALL LL! (MAX HT. 4) ROLL TOP CURB ( 'li � l % C Z < / �0 C) �. Cb, ` `\\ C) TMP 06100-00-00-165CO ` �' LAWRENCE E. MARTIN, JR. AJ (D.B. 4552, PG. 15)lI 1 l a , / \ tit •, \ �'� ! t ! J� pp !(£ilr c 3' CONC. SIDEWALK WLU k ~ c / 'f ;0 _ C F�sY JOB NO. Q 1215 GRAPHIC SCALE � 1 ` \ 20 0 10 20 40 80 j' J ` z '� SCALE f J t Cr r \ \ ( IN FEET) SHEET NO. c \, \ 1 inch = 20 ft. ;� MATCH , N SE FiISj /j r J' u Lot Area Buildable Area Lot 30 4,797 sf _ 1,652 sf , Lot 31 1,897 sf 1,065 sf Lot 32 2,006 sf 1,183 sf Lot 33 1, 995 sf 1,176 sf Lot 34 1,904 sf 1,081 sf Lot 35_ 2,348 sf j 1,145 sf Lot 36 _ 2 389 sf 1 196 sf ...__ .. Lot 37 ..__ 1, 954 sf 1,1_27 sf pM1,199 Lot 38_.._ 2,032 sf sf Lot 39 2 095 sf 1 252 sf Lot 4-0 __. 2,711 sf 1,544 sf _ � � 1 F ' r `_ I � 1: \ \ / (FROM DUNLORA PARKLl ROAD PLAN) \ \�\ �{ l 1� (/'��•. ^! 1 '�/� �(� f/ i , f`1- -.._.i i d tr''++✓ � � C J 1 �1 il""yr�, RIGHT-OF-WAY ESTABLISHED WITH N�p� r�LL Ljj DUNLORA PARK ROAD PLAN \ 2 * � ` Uj i I \.V ) fro �U ; V nn f1 C. \ O fQ \l f' o; ;r u PROPOSED SEGMENTED li I / z v "n RETAINING WALL LL! (MAX HT. 4) ROLL TOP CURB ( 'li � l % C Z < / �0 C) �. Cb, ` `\\ C) TMP 06100-00-00-165CO ` �' LAWRENCE E. MARTIN, JR. AJ (D.B. 4552, PG. 15)lI 1 l a , / \ tit •, \ �'� ! t ! J� pp !(£ilr c 3' CONC. SIDEWALK WLU k ~ c / 'f ;0 _ C F�sY JOB NO. Q 1215 GRAPHIC SCALE � 1 ` \ 20 0 10 20 40 80 j' J ` z '� SCALE f J t Cr r \ \ ( IN FEET) SHEET NO. c \, \ 1 inch = 20 ft. ;� MATCH , N SE FiISj /j r J' u 0 Q Q A c a 0 m 0 S U Z C i 1 Q S GENERAL CONS'TRllCTION 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 PREPARA TION OF THE ROADBED SUBGRADE, THE CONTRACTOR SHALL HAVE CBR TESTS PERFORMED ON THE SUBGRADE SOIL. THREE UBMI TTED TO THE COUNTY• IF A HALL BE S ES OF THE TEST RESUL TS S 3 COPT () 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 RESUL TS FOR APPROVAL. 3. SURFACE DRAINAGE AND PIPE DISCHARGE MUST BE RETAINED WITHIN THE PUBLIC RIGHT-OF-WAY OR WITHIN EASEMENTS PRIOR TO ACCEPTANCE BY THE COUNTY. ALL BOUNDARY LINE OR A DRA/NAGE OUTFALL EASEMENTS ARE TO BE EXTENDED TO A NA TUBAL WA TERCOURSE. 4. GUARDRAIL LOCATIONS ARE APPROXIMATE. EXACT LENGTH, LOCATION AND APPROPRIATE END TREA TMEN'IIS WILL BE FIELD VERIFIED A T THE TIME OF CONSTRUCTION. ADDITIONAL GUARDRAIL MAY BE REQUIRED AT LOCATIONS NOT SHOWN WHEN, IN THE OPINION OF THE COUNTY ENGINEER, OR DESIGNEE, lT IS DEEMED NECESSARY. WHEN GUARDRAIL IS REQUIRED, I T SHALL BE INSTALLED FOUR (4) FEET OFFSET FROM THE EDGE OF PAVEMENT TO 'THE FACE OF GUARDRAIL, AND ROADWAY SHOULDER WIDTHS SHALL BE SEVEN 7 FEET. INCREASED TO () 5. WHERE URBAN CROSS SECTIONS ARE INSTALLED, ALL RESIDENTIAL DRI VEWA Y ENTRANCES SHALL CONFORM TO VDOT CG -9(A, B OR C). IAL DRI VEWA Y ENTRANCES 6. WHERE RURAL CROSS SECTIONS ARE INSTALLED, ALL RESIDENT SHALL CONFORM TO VDOT STANDARD PE -1. 7. COMPLIANCE WIITH THE MINIMUM PAVEMENT WIDTH, SHOULDER WIDTH AND DITCH SECTIONS, AS SHOWN ON THE TYPICAL PAVEMENT SECTION DETAIL, SHALL BE STRICTLY ADHERED TO. lS SUBJECT TO FINA L SUBDI VISION PLA T LAN APPROVAL FOR SUBDI VISIONS 8. ROAD P XPIRE PRIOR TO SIGNING AND OR THIS PROJECT E VALIDATION. SHOUL D THE FINAL PLAT F LL BE NULL AND VOID. RECORDATION, (THEN APPROVAL OF THESE PLANS SNA ORM WI TH THE VIRGINIA ER REGULATORY DE VICES SHALL CONF 9. A LL SIGNS OR 0TH 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 GINEER OR DESIGNEE N THE OPINION OF THE COUNTY EN LOPER WHEN l , , BY THE DEVE CESSARY IN ORDER TO PROVIDE SAFE AND CONVENIENT ACCESS. EE ' ED NE THEY ARE D ArJ 11. THE SPEED LIMITS TO BE POSTED ON SPEED LIMIT SIGNS ARE 5 MPH BELOW THE OR PUBLIC ROADS. ED BY VDOT F 0 AS DETERMIN DESI GN SPEED, R 12. VDOT STANDARD CD -1 OR CD -2 CROSS -DRAINS UNDER TO BE INSTALLED UNDER THE G ADE SAG POINTS AS SUBBASE MATERIAL A T ALL CUT AND FILL TRANS! TIONS AND R D PROFILES THE ROA SHOWN ON 13. A VIDEO CAMERA INSPECTION lS REQUIRED FOR ALL STORM SEWERS AND CULVERTS THAT ARE DEEMED INACCESSIBLE TO VDOT OR COUNTY INSPECTIONS THE VIDEO INSPECTION SH�,4LL BE CONDUCTED IN ACCORDANCE WITH VDOT'S VIDEO CAMERA INSPECTION PROCEDURE AND WITH A VDOT OR COUNTY INSPECTOR PRESENT. AL}�.�'.11�ARLE �'Y ANT i 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 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. 2. ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICA TIONS AND STANDARDS OF VDOT UNLESS OTHERWISE NOTED. 3. 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 OBTAINABLE, LESSER SLOPES OF 3.' 1 OR BETTER ARE TO BE ACHIEVED. 6. PAVED, RIP -RAP OR STABILIZA TION MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF THE CiOUNTY 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 UNIFORM TRAFFIC CONTROL ',DEVICES. 8. UNLESS OTHERWISE NOTED, ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE -CLASS UI. 9. ALL EXCA VA TION fOR UNDERGROUND PIPE INSTALLA TION MUST COMPLY WITH OSHA STANDARDS FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926). Face ofCurb ' Invert Line B Soils ct z NOTES - O / 3a.: t TF1= T u MAY d'E PR CAST Ga A„ 1?4 PLACE, �tbl RIit6in 12 o , :"' ,.. C0K, TC TO Or CLAS ',S Ir CA -' W PLr'C:E, / __ Managed Turf (acres) 9/ ,'1 FT)Op I 1 PRE 7 1 3^4 F ET OR LESS C[1RE A A r` n L, }" �} / j.: t{ " .....-: ! y - 3, AADAL f A G'P GI i S VSL. 81 PNf7 rf K' Ati A,E u,P a I I �--j_ }I :i:L;A IRR 6ciitder s Option, Area may be mquete. � 3.16 /// & r q 7NE CEr"TII LURLT M Y 6E PECL•C�'6- i' MGGIe 1 \ _ sub -base provided a mininturn depth AS S 1 Q�PliP Gli' 1 t TiEASLll AS MUG i AS "':` CYPI'♦5 tiff Phl rR 14AT IH' aorT 3�:I i S at 7 inch4s is maintained. `� F GIRR WaL CrIPaCIGE W7!� -F- C7A'nE h >'YtiR E U C RnV to NT I'D$ Ri, l'LFC '. , Y 7 ' r3T t""-1 ht t, L -C SM Sti ;a td -S I::Wa1, NC: 'A.7 h '.r I`{ lHe PHICE IJ I EE LIA!) - _ - QR A i)ErR rt CR Ah w R:..A F h PTH, `� � � SURF CCr - : f0 C+. USED UN krfIAGM1 ML INK: t1F 10,WM fT' 6UP CQ -5 AS 5MRN If¢ � A- 4- ➢ ^ �, o AP.r ,TY' A Or •1-r LGrr ROAD DEs! N trf`Nufi,_ :1+ SECTION �ON G.a UZF".AN TA DARDS. z A � rn Q H - �„ o c c J -„ L oEt \ z L �• } - aS' A ;'s V i ,.a;39As f � a . Lu 0 L C1 - L_ z (_ L C C l Ai .� SI:RFnC'I --yj: ., G I A z O O i 3 a U L - C c � o U..� r U 4 6 + - -r I i O t � , �� < n U - .. �- suer.tsE a � � L `. C a o c a ACCEPTABLE ALTERNATIYE T + - IF CURB IS EXii#E1pEDl ,�III/r V-\ yeti jl, U C -C S SP'ECF;CA`sION + c0 '\YEX: T REFERENCE STANDARI:3 6`° CURB i ' ' 7 9 1 ROAIA,,�aut ,�n W U Z l,',i z. W C RC .,ON DATE S IEET 1 v 502 V.RChi:A DEPA� 1"" ;' aF MMUrPORTAtIPN 1 20i.ut 1 O \ C C ( C Face ofCurb ' Invert Line B Soils C soils - 6tn - 2in I ____ i Lin -______ Hift:�in - O / 3a.: J �tbl RIit6in 12 o , :"' ! / __ Managed Turf (acres) 9/ ,'1 4.37 n 444 F y - 6 : ': 4 A S', l '- q©t , a >r!� - - y . '. _ . -- r _ -` , 8,r - - - - �\ �--j_ }I - 0.00 6ciitder s Option, Area may be mquete. � 3.16 /// & r bottom of curb may €allow slope of 1 sub -base provided a mininturn depth C w at 7 inch4s is maintained. `� l__ I ft 0 in _. -,. ----- 2 ft 6 in Ro€€top Curb (5' MIN.) ROAD NOTES GRADING 1. THE LA TEST EDI TION OF THE ROAD & BRIDGE SPECIFICA TIONS, THE ROAD & BRIDGE STANDARDS OF THE VIRGINIA DEPARTMENT OF TRANSPORTATION SPECIFICATIONS SHALL GOVERN THE MA TERIAL AND CONSTRUCTION METHODS OF THIS PROJECT 2. WHERE UNSUI TABLE MA TERIAL IS ENCOUNTERED IN THE ROADWAY, 1 T SHALL BE REMOVED FROM THE ENTIRE ROAD RIGHT OF WAY WIDTH AND REPLACED WHERE NECESSARY WITH SUITABLE MATERIAL TO THE SATISFACTION OF THE ENGINEER. 3. ALL GROWTH OF TREES AND VEGETA TION 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 PRIOR TO THE CONSTRUCTION OF THE SUBGRADE. DRA/NAGE 1. ALL PIPE CUL VERTS, EXCEPT PRI VA TE ENTRANCES, SHOWN HEREON ARE TO BE RCP WI TH A MINIMUM COVER OF ONE (1) FOOT. 2. STANDARD UNDERDRA/NS (CD -1 OR CD -2 OR UD -4'S) TO BE PROVIDED AS INDICA TED ON THE PLANS, OR WHERE FIELD CONDI TIONS INDICA TE, 3. ALL DRIVEWAY 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 OTHERWISE 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 WATER COURSE• PA VEMEV T 1. AN ACTUAL COPY OF THE CBR REPORT IS TO BE SUBMI TTED PRIOR TO THE PLA CEMENT OF THE AGGREGA TE BASE MA TERIAL. 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. 3. TEST REPORTS ON SELECT MATERIALS MUST BE SUBMI TTED SHOWING THE MA TERIAL METS RE UIRED GRADA TION FOR TYPE I 11 OR 111 PRIOR TO PLACING AGGREGA TE BAS E E. Q 4. THE RE UIREMENTS TO PUGMILL AGGREGATE BASE WILL BE WAIVED IN THE EVENT THAT Q THE SURFACE COURSE IS BEGINNING A T THE COMPLETION OF THE INSTALLA TION OF THE AGGREGATE BASE, IN THE EVENT THAT THE SURFACE COURSE IS APPLIED PRIOR TO 60 DAYS, THE PUGMILL REQUIREMENT WILL APPL Y. 5. THE USE OF AN AGGREGATE SPREADER IS RE UIRED WHEN PLACING AGGREGATE BASE. Q 6. BSE MUST BE APPROVED BY ENGINEER FOR DEPTH TEMPLATE AND COMPACTION A , , BEFORE SURFACE TREA TMENT IS APPLIED. CO UST BE APPLIED TO BASE MA TERIAL PRIOR TO PLACEMENT OF ASPHAL T 7. PRIME A T M PRIME COAT RC -250 @ 0.3 GAL. S . YD, . Q 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 ROADWA Y'S CAPACITY OR TRAFFIC SAFETY, SHALL NOT BE PERMI TTED WITHIN THE RIGHT OF WAY. ONLY THOSE STRUCTURES SPECIFICALLY AUTHORIZED BY PERMIT ISSUED BY VIRGINIA DEPARTMENT OF TRANSPORTATION MAY BE LOCATED WITHIN THE STREETS RIGHT OF WA Y• NOTE: MANDATORY INSPECTIONS AT THE FOLLOWING PHASES ARE REQUIRED FOR ROADS THAT ARE PROPOSED TO BE STATE MAINTAINED: i. 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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J \' O --/ T' \ C „` , `, \, =,__ r' I r J ..-. ., ,. 1 \. .+/: �. \ ,` 'f - i, :. i. / \- _ _-_ .r _ - _ /' - / : .. \ er \ A� J 1 \ , '. .r _ / \` \• I i:: I / ., �-erg.*.,. 7 ` / ' \ \ \ t ^ Q \ ` -- -- /,/ V \ t; -\ ' I !< ti ,I': �" , ::2, THIS PROJECT HAS BEEN ANALYZED AS A PART OF THE APPROVED DUNLORA PARK DEVELOPMENT PARCEL CURRENTLY UNDER CONSTRUCTION. THE PROPOSED 11 TOWNHOME DEVELOPMENT REQUIRES AN ADDITIONAL PHOSPHOROUS REDUCTION OF 0.3o 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. Approved Onsite Impervious Areas (Water Quality) Roadway 29,600 sf Sidewalks & Driveways 22,110 sf Buildings 64,700 sf Total = 116,410 sf Proposed Plan Onsite Impervious Areas (Water Quality) Roadway 8,600 sf Sidewalks & Driveways 4,013 sf Buildings 8,778 sf Total = 21,391 sf Total Parcel Onsite Impervious Areas (Water Quality) Total = 137,801 sf TRIP GENERATION CALCULATIONS TRIP GENERATION BASED ON ITE TRIP GENERATION MANUAL (8TH EDITION) 11 TOWNHOUSE UNITS (CODE 230) ADT: 64 VPD (32 ENTER/ 32 EXIT) AM PEAK: 5 VPH (i ENTER/ 4 EXIT) PM PEAK: 6 VPH f 4 ENTER/ 2 EXIT) Drainage Area B Drainage :Area A Land Cover €acresl - (\ \ , -. y� r%� r E t _ rx�t a' r r / '/ `, f r r, f �, ``it /,+r, ./ r „ _ i DEQ Virginia Runoff Reduction Method New Development Compl€ance Spreadsheet - Version 3.0 BMP Design Specifications List: 2011 Stds & Specs Site Summary Total Rainfall = 43 inches Site Land Cover Summary Upda#e Sulam nary Sheet I j �_W� _ l A soils B Soils C soils Q - O / 3a.: J �tbl Z J o , :"' Q s1 .. ,t: Managed Turf (acres) 9/ ,'1 4.37 g I� 444 F f ` ;,/ 6 : ': 4 A S', l '- q©t , a t � _' C , u 1 �. i - 0.00 . r 3.16 /// & r f37 ,'Ir.` i' /t r/ w 100 \: 4, :,r . '. Q) U, 0 B THIS PROJECT HAS BEEN ANALYZED AS A PART OF THE APPROVED DUNLORA PARK DEVELOPMENT PARCEL CURRENTLY UNDER CONSTRUCTION. THE PROPOSED 11 TOWNHOME DEVELOPMENT REQUIRES AN ADDITIONAL PHOSPHOROUS REDUCTION OF 0.3o 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. Approved Onsite Impervious Areas (Water Quality) Roadway 29,600 sf Sidewalks & Driveways 22,110 sf Buildings 64,700 sf Total = 116,410 sf Proposed Plan Onsite Impervious Areas (Water Quality) Roadway 8,600 sf Sidewalks & Driveways 4,013 sf Buildings 8,778 sf Total = 21,391 sf Total Parcel Onsite Impervious Areas (Water Quality) Total = 137,801 sf TRIP GENERATION CALCULATIONS TRIP GENERATION BASED ON ITE TRIP GENERATION MANUAL (8TH EDITION) 11 TOWNHOUSE UNITS (CODE 230) ADT: 64 VPD (32 ENTER/ 32 EXIT) AM PEAK: 5 VPH (i ENTER/ 4 EXIT) PM PEAK: 6 VPH f 4 ENTER/ 2 EXIT) Drainage Area B Drainage :Area A Land Cover €acresl - (\ \ , -. y� r%� r E t _ rx�t a' r r / '/ `, f r r, f �, ``it /,+r, ./ r „ _ i DEQ Virginia Runoff Reduction Method New Development Compl€ance Spreadsheet - Version 3.0 BMP Design Specifications List: 2011 Stds & Specs Site Summary Total Rainfall = 43 inches Site Land Cover Summary Upda#e Sulam nary Sheet I j �_W� _ l Site TV and Land Cover Nutrient Loads site Rv A soils B Soils C soils D soils Totals % of Tota€ Forestlopen (acres) 0.00 1.09 0,00 0.00 1.09 13 Managed Turf (acres) 0.00 4.37 0.00 0.00 4.37 51 Impervious Cover (acres) 0.00 3.16 - - 0.00 0.00 3.16 37 -- f37 � &67 100 Site TV and Land Cover Nutrient Loads site Rv 0.45__ Treatment Volume fts __ 14,189 TP Load (Ib/yr) 8.91 TN Load (lb/yr) 63,77 Total TP Load Reduction Requ€red €b r 5.38 Site Compliance Summary Total Runoff Volume Reduction (ff�) 7,189 Tota€ TP Load Reduction Ach€eved 5.08 (lb/yr) C}-Cii7 Tota€ TN Load Reduction Achieved 37.12 (!b/yr) Impervious C-er(acres) 0,44 Remaining Post Development TP Load 09S (Ib/yr) 3.84 Remaining TP Load Reduction {Ib/yr) rT. x Required '. ' A Soils 8 Soils C Soils D Soils Totals land Cover Rv FarIss/0 pen Space (acres} - f7 {9f7 C}-Cii7 Managed Turf {acres] 0,31 i# 3% L 2b Impervious C-er(acres) 0,44 f},- 09S Total 0-8E -ota€ Phosphorus Availalale for Removal in D.A. H (lb/yr) '1'�0 Post Development Treatment Volume in D.A. 8 (W) 1 g �TH O71 �n SCOTT R. COLLINS�I ) Lic. No. 035791 s s � E 0 N L A z ai= ¢ U w m c� z _j O H I _ r U) w 1-i H Uj W z �? r I� � U f37 � �./ � �' _j Q) U, 0 B Q L � O_ ,P'! g �� � T 07 � o z 0 � rn Q H �„ o c c J ] L oEt z L V O L L { LLl 7 Lu 0 L C1 - L_ (_ L C C �+ J z O O i 3 a U L - C c � U..� r U 4 6 + i O f �� < n U V a � � L C a o c a T + - j it ,�III/r V-\ yeti jl, U C -C S .j j + c0 Q C _z c �{ w i ' ' 7 9 1 W U Z z. W C m.i ,,,��� ���/// ��y��/ Li Z_ , J U J C o� 1 rrT 9�j� 1 O \ C C ( C N Q� OL S y„i{� 'ar _( 0) S xL U < X ' N C C + zi S � C D LL J i- p m + U N 4 O re b- 11.1 = V) : £ U -O + C o C JOB No. -7t srI1-�--� iry- +-� + 4 O `° -0_ SCALE AS SHOWN 0 .C. to C i a 4 SHEET NO. 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