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HomeMy WebLinkAboutSD-426-5■� Wh F. t.arltr OF TRH iiEMOVAL ; � (TYP) SASiN -C BENCH PROPOSED HYDRANT WITH b" GATE VALVE 240.4 N x226.0 IT 5 OVA �` 242, 221.0 233.D , v COMMON OPEN SPACE i A 1 f to ll I " a n " 2' x, 0 n O BENCH kQ� L 5TONEDU5T FOOTPATH ,� \ Y �1 zn DEVELOPMENT DATA TABLE • �ag7 a _/ REQUIRED PROVIDED TOTAL LAND AREA 100,000± S.F. 160;673± S.F. (3.69 AC.) AREA IN VEGETATED WETLAND - NONE DEVELOPABLE SITE AREA - 160,673± S.F. LENGTH OF STREET 650± L.F. MAX. 525± L.F. AREA IN COMMON OPEN SPACE 16,067± S.F. (10% MIN.) 59,500±- S.F. (37 %) AREA IN USABLE OPEN SPACE 45,000± S.F. 59,000± S.F. AREA AND PERCENTAGE OF SITE 15,515± S.F. MAX. 11,231± S.F. (7.0 %) COVERAGE OF BUILDINGS (10% MAX.) ,. BiN220.l�" IMPERVIOUS SURFACE AREA 24,100± S.F. (MAX.) 20,200± S.F. IMPERVIOUS SURFACE RATIO 15% (MAX.) 12.5% DENSITY OF DWELLING UNITS 5.35 UNITS (MAX) APPROX. 2.2 UNITS OR THEIR EQUIVALENT PER ACRE PARKING 16 SPACES (2 PER UNIT) 28 SPACES LEVEL SPREt3EAR' • �ag7 a _/ EXISITNG PAVEMENT AT BASIN OUTLET MATCH EXIST. CURB (SEE DETAIL) 2 7. CONNECT TO EXISTING ° BENCH MANHOLE 1=224.50 ADJJST -RIK STONEbUST FooTPA7r+ TW224.0, TO FINISHED CRAM ,. BiN220.l�" LEVEL SPREAi3ER' AT BASIN OUTLtT (SEE- DETAIU ` COMMON OPEN SPACE - - NOTES: 1.) ALL WATER LATERAL PIPING TO BE 1 " COPPER. —� 2.) ALL SEWER LATERAL PIPING TO BE 6" SCH 40 PVC. u. INCLUDES APPROXIMATELY 290 LINEAR FEET OF EXISTING PRIVATE WAY AND APPROXIMATELY 235 LINEAR FEET OF INTERIOR DRIVE. RECORD QN&EB ELLEN & JOHN A. SHARKEY 13 HAZEL ROAD LEXINGTON, MASSACHUSETTS ELIZABETH M. WEISS 16 ESTABROOK ROAD LEXINGTON, MASSACHUSETTS 2 1 9110104 1 INFILTRATOR CHAMBERS 8116104 1 PLANNING BOARD COMMENTS APPROVED BY LEXINGTON PLANNING BOARD F -- D CLERK OF THE TOWN OF LEXINGTON, MASSACHUSETTS HEREBY CERTIFY THAT THE NOTICE OF APPROVAL OF THIS PLAN BY THE LEXINGTON PLANNING BOARD HAS BEEN RECEIVED AND RECORDED AT THIS OFFICE AND NO NOTICE OF APPEAL WAS RECEIVED DURING THE TWENTY DAYS NEXT AFTER SUCH RECEIPT AND RECORDING OF SAID NOTICE. TOWN CLERK DATE DEFINITIVE SITE DEVELOPMENT PLAN FOR A SPECLAL RESDENTIAL DEVELOPMENT HAZEL ROAD W-4ZN OF tygy, MARK E Site Constructi ©n and Utilities Plan gE CIVIL civ�L L HAZEL ROAD No. 38189 LEXINGTON, MASSACHUSETTS PREPARED FOR NORTH SHORE CONSTRUCTIONAND DEVELOPMENT, INC cHU SCALE: 1 "= 30' DATE. MA Y 26, 2004 L M E R I D I A N ASSOCIATES, INC. ' vc *S1 98 JUGH STREET 69 MILK STREET, SUITE 302 DANVERS, MASSACHUSETTS 08923. WESTBOROUGH, MASSACHUSETTS 01581 TELEPHONE: (978) 739 -9130 TELEPHONE: (508) 871 -7030 q • to' SHEET No. S OF IlI PROJECT No. 8046