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