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CB <br />RI?0= 302.57 <br />\N `J_ 299.07 <br />RB <br />li <br />DikyPAVED OV_R? <br />3MH <br />R(M =303 <br />BD <br />SIT WAUI <br />GRASS <br />gyT CURH <br />6 "EW <br />BlT vmi-K <br />CONCRETE <br />ENCASEMENT <br />, CONCRETE <br />E NCASEMENT <br />P jC SEWER <br />E SMH <br />- 12 " . <br />- - 2 STA. 1 +60 <br />8" G.V. s , _ <br />`NALK <br />1 =so5.s I l 12'° ri as B �s� SERVICEf <br />INV IN= _ <br />43' _ ,,� C� �> lz <br />1 _ 45.2' IN, 3J5,58 ` k5l <br />LV= 302.28 6 PVC , <br />fl � - I ti t PLUGGEIJ'-STI <br />� <br />\ /ryti 8" G.V. <br />+ <br />t <br />0 3 ? <br />B n <br />Ca 1� <br />RIIA- 505.79 <br />INV IN=302,09 <br />INV OUT 30'1.99 <br />�r <br />z <br />+ i <br />t <br />PLAN <br />SCALE: 1 " =20' <br />STCCKAOr- --:— a <br />APROX } <br />SEPTIC y - "1 <br />SYSTEM INV OUT <br />= 307.89 <br />fn <br />HSE #2318 <br />F.F. 312.91 <br />BSMT F R= 305.49 <br />� 7 <br />1 \ <br />i� <br />81r t <br />DRIVE t <br />000 <br />BASE SURVEY INFORMATION TAKEN FROM <br />EXISTING CONDITIONS PLANS, MASS. AVENUE <br />AND WESTVIEW STREET, LEXINGTON, MA; JULY <br />24 & 25, 2000. TOWN OF LEXINGTON, <br />ENGINEERING DIVISION VERTICAL DATUM - <br />N.G.V.D.. 1929 - M.S.L. <br />1" �JS_ <br />PROFILE <br />SCALE: 1"=20' HORIZ. <br />1 " =4' VERT. <br />1 +00 <br />+50 <br />2 +00 <br />LEGEND <br />EXISTING DRAIN LINE - -- ED <br />EXISTING ELECTRIC LINE - E - <br />EXISTING SEWER LINE ES <br />CABLE TELEVISION LINE - -- CAT <br />EXISTING WATER LINE - EW <br />GAS LINE - -- G - <br />PROPERTY LINE <br />STREET LINE <br />SEWER MANHOLE <br />POLYVINYL CHLORIDE PIPE <br />SMH <br />PVC <br />f <br />1. <br />THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES WERE OBTAINED FROM BEST AVAILABLE <br />INFORMATION, AND ARE SHOWN IN AN APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL <br />E!.EC <br />DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK AND <br />AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED <br />BY THE CONTRACTOR'S FAILURE TO EXACTLY LOCATE AND PRESERVE ANY AND ALL UNDERGROUND <br />UTILITIES. <br />2. <br />THE CONTRACTOR SHALL INSTALL THE SEWER TO THE LINES AND GRADES AS SHOWN <br />ON 'THESE DRAWINGS OR AS DIRECTED BY THE ENGINEER_ <br />3. <br />ALL BLASTING OPERATIONS SHALL BE PERFORMED IN STRICT CONFORMANCE WITH THE <br />STATE OF MASSACHUSETTS BOARD OF FIRE PREVENTION REGULATION 527 CMR SECTION <br />13.00 AND ALL LOCAL REGULATIONS. <br />t°! <br />r_ <br />1 I `EL <br />312j 91 <br />l <br />LADEN RUNOFF DEBRIS, OR DELETERIOUS MATERIALS FROM ENTERING ANY DRAINAGE <br />STRUCTURE OR CONDUIT, DRAINAGE SWALE OR EXISTING WATER COURSE. CATCH <br />BASINS OR OTHER DRAINAGE SYSTEMS RECEIVING ANY PUMPED DISCHARGE FROM <br />DEWATERING OPERATIONS SHALL BE ADEQUATELY PROTECTED BY HAY BALES AND /OR <br />- <br />SILTATION BARRIER ACCEPTABLE TO THE ENGINEER. <br />5, <br />THE CONTRACTOR SHALL CAREFULLY REMOVE THE PORTION OF EXISTING 12 -INCH <br />DRAIN CROSSING THE PROPOSED SEWER LINE WITHIN THE LIMITS OF THE TRENCH, <br />AND UPON COMPLETION OF THE SEWER INSTALLATION, PROMPTLY RESTORE TO LIKE <br />- <br />NEW CONDITION. NO ADDITIONAL COMPENSATION WILL BE ALLOWED FOR REMOVING <br />-� <br />- <br />6. <br />THE CONTRACTOR SHALL NOT CLOSE OR OBSTRUCT ANY PORTION OF A STREET, ROAD <br />— <br />�- <br />THE CONTRACTOR SHALL BE REQUIRED TO LEAVE ONE FULL TRAVEL LANE (10 FEET <br />310 <br />MINIMUM) OPEN TO TRAFFIC WHILE WORK IS IN PROGRESS, WITH SPECIAL DUTY <br />POLICE ACTIVELY ENGAGED IN DIRECTING TRAFFIC, AND ONE FULL TRAVEL LANE (10 <br />FEET MINIMUM) OPEN IN EACH DIRECTION WHEN WORK IS NOT IN PROGRESS. <br />DURING NON - WORKING HOURS (INCLUDING EVENINGS, WEEKENDS AND HOLIDAYS AS <br />ACCESS AND EGRESS TO SIDE STREETS AND RESIDENTIAL AND COMMERCIAL <br />DRIVEWAYS MUST BE MAINTAINED AT ALL TIMES. <br />31 C <br />} <br />I <br />(n <br />z <br />x <br />- <br />! _ <br />_ <br />—{ <br />�.T EN_H <br />L <br />REMOVED <br />y <br />D <br />[ { <br />i <br />-- <br />—I <br />300 <br />I � � � ; <br />� <br />I <br />I -i- <br />� <br />�-- <br />30C <br />-� - <br />- -- <br />— <br />SAO <br />- <br />- - <br />-- <br />1 ! <br />I - -�_ <br />4 - <br />it <br />l <br />I ; ! <br />- <br />j !- <br />! <br />E i <br />—' -! <br />I - � <br />290 <br />i <br />I <br />I <br />!� <br />29C <br />I <br />l I <br />280 <br />t <br />( 280 <br />000 <br />BASE SURVEY INFORMATION TAKEN FROM <br />EXISTING CONDITIONS PLANS, MASS. AVENUE <br />AND WESTVIEW STREET, LEXINGTON, MA; JULY <br />24 & 25, 2000. TOWN OF LEXINGTON, <br />ENGINEERING DIVISION VERTICAL DATUM - <br />N.G.V.D.. 1929 - M.S.L. <br />1" �JS_ <br />PROFILE <br />SCALE: 1"=20' HORIZ. <br />1 " =4' VERT. <br />1 +00 <br />+50 <br />2 +00 <br />LEGEND <br />EXISTING DRAIN LINE - -- ED <br />EXISTING ELECTRIC LINE - E - <br />EXISTING SEWER LINE ES <br />CABLE TELEVISION LINE - -- CAT <br />EXISTING WATER LINE - EW <br />GAS LINE - -- G - <br />PROPERTY LINE <br />STREET LINE <br />SEWER MANHOLE <br />POLYVINYL CHLORIDE PIPE <br />SMH <br />PVC <br />f <br />1. <br />THE LOCATIONS OF EXISTING UNDERGROUND UTILITIES WERE OBTAINED FROM BEST AVAILABLE <br />INFORMATION, AND ARE SHOWN IN AN APPROXIMATE WAY ONLY. THE CONTRACTOR SHALL <br />E!.EC <br />DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK AND <br />AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED <br />BY THE CONTRACTOR'S FAILURE TO EXACTLY LOCATE AND PRESERVE ANY AND ALL UNDERGROUND <br />UTILITIES. <br />2. <br />THE CONTRACTOR SHALL INSTALL THE SEWER TO THE LINES AND GRADES AS SHOWN <br />ON 'THESE DRAWINGS OR AS DIRECTED BY THE ENGINEER_ <br />3. <br />ALL BLASTING OPERATIONS SHALL BE PERFORMED IN STRICT CONFORMANCE WITH THE <br />STATE OF MASSACHUSETTS BOARD OF FIRE PREVENTION REGULATION 527 CMR SECTION <br />13.00 AND ALL LOCAL REGULATIONS. <br />4. <br />THE', CONTRACTOR SHALL TAKE ALL NECESSARY MEASURES TO PREVENT SEDIMENT <br />LADEN RUNOFF DEBRIS, OR DELETERIOUS MATERIALS FROM ENTERING ANY DRAINAGE <br />STRUCTURE OR CONDUIT, DRAINAGE SWALE OR EXISTING WATER COURSE. CATCH <br />BASINS OR OTHER DRAINAGE SYSTEMS RECEIVING ANY PUMPED DISCHARGE FROM <br />DEWATERING OPERATIONS SHALL BE ADEQUATELY PROTECTED BY HAY BALES AND /OR <br />SILTATION BARRIER ACCEPTABLE TO THE ENGINEER. <br />5, <br />THE CONTRACTOR SHALL CAREFULLY REMOVE THE PORTION OF EXISTING 12 -INCH <br />DRAIN CROSSING THE PROPOSED SEWER LINE WITHIN THE LIMITS OF THE TRENCH, <br />AND UPON COMPLETION OF THE SEWER INSTALLATION, PROMPTLY RESTORE TO LIKE <br />NEW CONDITION. NO ADDITIONAL COMPENSATION WILL BE ALLOWED FOR REMOVING <br />AND REPLACING DRAINS WITHIN THE LIMITS OF THE WORK. <br />6. <br />THE CONTRACTOR SHALL NOT CLOSE OR OBSTRUCT ANY PORTION OF A STREET, ROAD <br />OR PRIVATE WAY WITHOUT OBTAINING PERMISSION FROM THE PROPER AUTHORITIES. <br />THE CONTRACTOR SHALL BE REQUIRED TO LEAVE ONE FULL TRAVEL LANE (10 FEET <br />MINIMUM) OPEN TO TRAFFIC WHILE WORK IS IN PROGRESS, WITH SPECIAL DUTY <br />POLICE ACTIVELY ENGAGED IN DIRECTING TRAFFIC, AND ONE FULL TRAVEL LANE (10 <br />FEET MINIMUM) OPEN IN EACH DIRECTION WHEN WORK IS NOT IN PROGRESS. <br />DURING NON - WORKING HOURS (INCLUDING EVENINGS, WEEKENDS AND HOLIDAYS AS <br />APPLICABLE), THE CONTRACTOR MUST MAINTAIN ALL LANES OPEN TO TRAFFIC; SAFE <br />ACCESS AND EGRESS TO SIDE STREETS AND RESIDENTIAL AND COMMERCIAL <br />DRIVEWAYS MUST BE MAINTAINED AT ALL TIMES. <br />1 � <br />PLANNERS <br />ill 11111liq 111111!111i <br />DR <br />