Loading...
HomeMy WebLinkAboutSD-470-7DRAINAGE STRUCTURE CHART - STRUCTURE' ply INV, IN (SIZEITYPE) INV. OUT (SIZEITYPE) C8-1 (DOUBLE) 170,94' NIA s 16Z 34' 12" HOPE CB -2 (DOUBLE) 170.70' NIA 16Z34' 12'" HOPE CB--3 196.59' N/A 193, 00' 12" HOPE CB -4 1`96.68' NIA 193.710' 12" HDPE CR -5 200.44' NIA > 196,90' 12" HOPE DMH -1 172.94' 16686' 12" HDPE 166:86' 12" HOPE L314H 7 191.15` 165.33' 12 ` HOPE 1815.33' 12" HDP€ DMH- 3 197.47' 132.90' 12" HOPE 192:;90' 12" HOPE_ 0 am IN OW-NE 4 ROBINSON ROAD FATOMEH CARROLL 4 ROBINSON ROAD LEXINGTON, MA 02421 6 R48INSON ROAD CARMEN DE LA CRUZ ROBINSON ROAD LEXINGTON, MA 02421 APP I!2Atq . NORTH SHORE CONSTRUCTION & DE'v ?15 SALEM STREET WOBURN, MA 01801 PLAN VIEW (2) 6" Im , OJTLET i SIDE SECTION VIER NOTES. 1. CONCRETE: 4,000 PSI MINIMUM AFTER 28 DAYS, 2, AVAILABLE IN 3' AND 8' SECTIONS, 3, AVAILABLE IN END OR MIDDLE SECTIONS, 4, CONFORMS TO H--20 LOADING, ' I t � SECTION XfFM Nil: M -T% '6' SECTIUN L M ^Tw 3' SEctiam 1 I \ENc-'I ' DRAIN (OR SIMIt_AR APPROVED 20 H, LOCA77ON OF ALL UNDERGROUND U77LI77ES SHOWN ARE APPROXIMATE ARE BASED UPON A PARVAL FIELD SURVEY AND COMPILATION OF t,`, nr axnnan T%IF nr4zirRl mt wrrP nt)r:� M?)T WAPPANrY? IS SUBJECT TO A COVENANT DATED -------------- IS I SUBJECT TO A CERTIFICATE OF ACTION DATED IS SUBJECT TO A SPECIAL PERMIT DATED -- -, ----------- GRAPHIC SCALE SCALE. FEET 30 0 15! 6.0 LE-MPORARY BENCHMARK CHART, TBM # DESCRIPTION ELEV 8" HPOE .SEWER MANHOLE RIM 171. J6' ,5LWLK G1mm1. STRUCTURE RIM INV, IN (SIZE11TYPE) INV, OUT (SIZEITYPE) SAH -1 172.82' 165.54' E" HPOC 165.54' e HPD SMH -2 190.94, 184.60' 8" HPOE 184.60' 8" HPDE Siv1.H -,3 201.31' 194.50' 8" HPD6 194150? 8" HPOE SUH- -4 20&78' :202,0€7' 8" HPOE 202.00': 8" HPOE SMH -5 203,51' 196.5W 8" HPOE 136.50, e HPOE REVISIONS 1 92118113 ADD TRENCH DRAIN AS NEEDED JDS I JDS 1 1219113 PER TOWN COMMENTS JDS JDS PG A P O BY B 4 PROPOSED LEGEND: COB CAPE COD BERM []C'B -1 PROPOSED CATCHBASIN' (D) DMH- P PROPOSED DRAIN MANHOLE .---PD-- PROPOSED HOPE DRAIN PIPS" me PROPOSED WATER GATE PROPOSED HYDRANT PW PROPOSED 9" UDI WATER MAN --- PWS— PROPOSED 1" COPPER W4 ?ER SERVCE S SMH- -1 � PROPOSED SEWER MANHOLE Par.._......_.._ PROPOSED SEEWGR MAIN (8" SCH 40 PVC) PSS PROPOSED SEKI? SERVICE (4- SCH 40 PVC AT 2 %) PG PROPOSED GAS MAIN PGS -- PROPOSED GAS SERYIC£ PTEC --- PROPOSED TEI EPNONEIEL£CTRIC/CABLr LINE HOPE HIGH DENSITY POLYETHLENE PIPE (TYp.) T)PICAL e� PROPOSED RETAINING WALL CCB GAPE COD BERM PROP. DRIVEWAY TRENCH DRAIN MN,5TRU ON NQT S 1. THE PROPOSED DRYWELLS SHOWN SHALL HAVE A MINIMUM OF 12" CRUSHED STONE BENEATH TO PROMO rE Sl'ORMWATER STORAGE: 2. ALL UTILITY CONSTRUCTION WILL MEET T014IN STANDARDS, INCLUDING 7HE SUPPLY OF SUFFICIENT WATER PRESSURE TO THE UNITS 11?HEN COMPLETED. 3, THE DEVELOPER WILL ENGAGE A FIRE PROTECTION ENGINEER TO DETERMINE WATER SYSTEM PRESSURE AT HIGH POINTS IN THE DEVELOPMENT AND PROVIDE WRITTEN RESULTS TO THE LEXINGTON ENGINEERING DEPARTMENT PRIOR TO ISSUANCE OF AN OCCUPANCY PERMIT. NO 1. 7NE TOPOGRAPHY, SITE DETAIL & SURFACE IMPROVEMENTS DEPICTED HEREON WERE OBTAINED FROM A PAR'77AL FIELD SURVEY CONDUCTED ON FEBRURY 8 -11, 2013 BY SULLIVAN ENGINEERING CROUP, LLC: 2. THE LOCUS PROPERTY DEPICTED IS LOCATED IN ,ZONING DISTRICT RO. J. THE LOCUS PROPERTY 1S DEPICTED AS LOTS 137 AND 138 ON THt TOWN OF LEXINGTON ASSESSOR'S MAP 83.° 4. THE LOCA77ON OF ALL UNDERGROUN) UTILITIES SHOWN ARE APPROXIMATE AND ARE BASED UPON A PARTIAL FIELD SURVEY AND COMPILATION OF PLANS OF RECORD. T,,IE DESIGN ENGINEER DOES NOT WARRANTY IVOR GUARAN7FE THE LOCATION OF ALL UTILITIES DEPICTED OR NOT DEPICTED7. THE CONTRACTOR, PRIOR TO COMMENCE'ME'NT OF CONSTRUCTION, SHALL VERIFY THE LOCATION OF ALL UTLITIES AND CONTACT DIG SAFE" AT 1- 888 -- 344 -- 7233. 5. THIS' PLAN DOE'S NOT S)gOW ANY UNRECORDED OR UNW51'ITTEN EASEMENTS WHICH MAY EXIST. A REASONABLE AND DILIGENT ATTEMPT HAS BEEN MADE TO OBSERVE ANY APPARENT WSIBLE USES OF THE LAND; HOWEVER, 77,#S DOES NOT CONSTITUTE A GUARANTEE THAT NO SUCH EASEMENTS EXIST 6, THE ELEVATIONS DEPICTED HEREON WERE BASED UPON THE 1929 NOVO DATUM. 7. THE LOCUS PROPERTY IS NOT LOCATED WITHIN A FLOOD ZONE AS DEPICTED ON THE LATEST FL DOD INSURANCE RATE MAP. 8. UTILITY WORD IN ROBINSON ROAD TO BE COORDINATED WITH 4 RECONSTRUCRON WORD PROPOSED BY 'TOWN LEXINGTON, MASSACHUSETTS APPROVAL OF THIS PLAN BY HAS BEEN RECEIVED AND RED OF APPEAL WAS RECEIVED DI SUCH RECEIPT AND RE�ORDIj TOWN CLERK 4 -I TOWN CLERK OF THE TOWN OF REBY CERTIFY THAT THE NOTICE OF E LEXINGTON PLANNING BOARD ,OED AT THIS OFFICE AND AID NOTICE VG THE TVIENTY DAYS NEXT AFTER OF SAID NOTICE. DA TE• 22 MOUNT TERROR ROAD .BOXF°ORD, MA 0192,1 (978) 352-787t SHEEN No. 7 OF 10