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HomeMy WebLinkAboutCON-109NF 75 CONCORD AVENUE AMERICAN TOWER SYSTEMS LP GUARDRAIL yop PPFr4 T GUA RDRA IL APPROX. CENTERLINE OF BROOK APPROX TOE OF SLOP wo1 71nAl i— ­ _­_ NIF CONCORD -A VENUE—_ TOWN OF LEXINGTON — CONSERVATION TION 41, GENERAL NOTES <�Om T 1. BASE MAP SURVEY BASED ON )'r I OPOGRAPHIC SURVEY CONDUCTED ON DECEMBER 2, 2011 BY GCG ASSOCIATES, INC. ELEVATIONS SHOWN HEREON ARE REFERENCED TO THE NAVID 1988 DATUM. NIF_ 1 CONCORD A VENUE` X4 2. STREET LINES AND PROPERTY LINES BELA40NE COUNTRY CLUB ARE BASED ON SURVEY CONDUCTED ON DECEMBER 2,2011 BY GCG ASSOCIATES, 5, VIV zotl INC. 3. AS-BUILT SURVEY BASED ON SURVEY CONDUCTED BY CEI. CULVERT I I ELEVATIONS SURVEYED ON SEPTEMBER C) 11, 2013.( FEATURE LOCATIONS SURVEYED z -TJ ON DECEMBER 13, 2013. 4. ROADWAYS, UNDERGROUND UTILITIES, AND DRAINAGE STRUCTURE LOCATIONS DEPICTED ON THIS MAP ARE APPRO (MATE. THE LOCATION AND DEPTH eow OF UTILITIES AND DRAINAGE PIPES SHOWN D, STO"Ic WALL ATE. ON THESE PLANS ARE APPROXIM' (TY, I GUARDRAIL 17424 HEAD WALL 175 174.29 5-wm 172.57 172.62 W �_(I)TX6'PRECAST BOXCULVERT FLOW DROX. EXISTING STREAM BED 16657 166-62 17 -------- FFT-1=7 Fri Q I- i­7! F=lll 7 A T_ T T, CUT OF WALL --- - -- CRUSHEDSTONE SUBASE 20 30 40 60 70 so so lis P.E. STAMP No. I Revision/Issue I Date COMPREHENSIVE ENVIRONMENTAL � INCORPORATED 225 CEDAR HILL ST. RLBOROUGH, MA 01752 Project No.: 228-2 Date; 9/11/2013 FFFF