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<br />hA7c / 6X 1S7*,
<br />0 i;'GLEAN 6'i/Z4(/6L
<br />z
<br />REVIS10NS
<br />NO. DATE I DRAWN BY DESCRIPTION
<br />Q 4 - ?7 -87 P ✓F n,6Q.E. COMWCAITS
<br />I GENERAL NOTES
<br />I. PLANS AND PROFILES OF THE GROUND SURFACE ARE BASED UPON EXISTING SEWER
<br />RECORD PLANS OR CONTRACT DRAWINGS AND MAY NOT REFLECT CURRENT GROUND
<br />CONDITIONS.
<br />2. DUE TO THE NATURE OF THIS PROJECT, ALL ELEVATIONS ARE BASED ON DATUMS
<br />FROM EXISTING RECORD PLANS OR CONTRACT DRAWINGS AND SHOULD NOT BE ASSUMED
<br />TO REFER TO A USGS MEAN SEA LEVEL DATUM, NOR SHOULD IT BE ASSUMED THAT
<br />THERE IS A RELATION AMONG'THE DIFFERENT DATUMS.
<br />3. THE SEWER STATIONING WAS TAKEN FROM TOWN RECORDS AND THEREFORE STA, -.0 +00
<br />MAY NOT BE ON EVERY DRAWING.
<br />4. FOR POINT REPAIRS ON SEWERS, THE DRAWINGS SHOW THE APPROXIMATE BEGIN14ING
<br />OF THE POINT REPAIR AND THE LENGTH OF PIPE TO BE REPLACED, IF THE DISTANCES
<br />SHOWN DO NOT CORRESPOND EXACTLY TO PIPE JOINTS, THE CONTRACTOR SHALL BEGIN
<br />AND END POINT REPAIRS AT PIPE JOINTS.
<br />5. EACH PROJECT SITE IS IDENTIFIED BY A SITE NUMBER WHICH CORRESPONDS TO THE
<br />SITE 5_EMBERS IN SECTION 201.1 "SCHEDULE OF WORK” OF THE SPECIFICATIONS.
<br />ADDITIONAL INFORMATION ABOUT THE PROJECT SITES IS PROVIDED IN THE "DETAILS
<br />AND GENERAL NOTES" APPENDED TO THE SPECS. OR CAN BE OBTAINED AT THE OFFICES
<br />OF LEA GROUP ENGINEERS.
<br />6. SEPARATE CONSTRUCTION SPECIFICATIONS ARE INCLUDED WITH THE CONTRACT DOCUMENTS.
<br />THESE STANDARD CONTRACT DRAWINGS ARE NOT COMPLETE WITHOUT THESE SPECIFICATIONS.
<br />7. SINCE MOST OF THE WORK WILL BE IN PREVIOUSLY EXCAVATED TRENCHES, NO BORINGS
<br />WERE TAKEN. KNOWN SUBSURFACE CONDITIONS ARE INDICATED ON THESE DRAWINGS.
<br />8. THE CONTRACTOR SHALL CONFINE HIS OPERATIONS AND ACTIVITIES FOR CONSTRUCTION
<br />PURPOSES WITHIN STREET LINES, EASEMENTS, AND RIGHTS OF WAY AS SHOWN ON THE
<br />DRAWINGS. TRENCHES FOR THE REPLACEMENT OF SEWER SERVICES SHALL PROCEED ONLY
<br />AS FAR ACROSS PRIVATE PROPERTY AS DIRECTED BY THE ENGINEER. CONSTRUCTION
<br />OPERATIONS SHALL BE CONDUCTED SUCH THAT, WHERE POSSIBLE, ONE LANE OF TRAFFIC
<br />REMAINS OPEN AT ALL TIMES ON TRAVELLED WAYS. THE CONTRACTOR SHALL COORDINATE
<br />CONSTRUCTION, TRAFFIC CONTROL, AND DETOURS WITH THE LEXINGTON POLICE AND FIRE
<br />DEPARTMENTS TO MINIMIZE OBSTRUCTION OF TRAFFIC, ALL SUITABLE EXCAVATED
<br />MATERIAL IN STREETS SHALL BE HAULED AWAY AND STORED IN AREAS AS DIRECTED B
<br />THE ENGINEER UNTIL IT CAN BE USED FOR BACKFILL, SHOULD IT BECOME NECESSARY
<br />TO CLOSE THE ROADWAY TO THROUGH TRAFFIC, THE CONTRACTOR SHALL GIVE AT LEAST
<br />ONE (1) WEEK NOTICE TO THE ENGINEER, SO THAT AN ALTERNATE THROUGH ROUTE CAN
<br />BE ESTABLISHED. THE CONTRACTOR SHALL PROVIDE DETOUR SIGNS ALONG THE
<br />ALTERNATE THROUGH ROUTE, AS DIRECTED BY THE ENGINEER.
<br />9. THE CONTRACTOR SHALL NOTE THAT THERE MAY BE CONFLICTS WITH EXISTING GAS
<br />AND UNDERGROUND ELECTRIC POWER LINES, AND THAT HE SHALL COORDINATE ALL
<br />WORK WITH THE APPROPRIATE UTILITY,
<br />10. DAMAGE TO ANY UTILITY WILL BE REPAIRED BY THE CONTRACTOR, AT THE CONTPACTOR'S
<br />EXPENSE, IN A TIMELY MANNER SO THAT DISRUPTION OF SERVICE OF ANY UTILITY
<br />WILL NOT BE LONGER THAN TWO HOURS OR PRACTICALLY NECESSARY TO REPAIR THE
<br />DAMAGE. THE CONTRACTOR SHALL COORDINATE REPAIR WORK WITH THE APPROPRIATE
<br />UTILITY COMPANY OR THE TOWN,
<br />11. REPLACEMENT SEWER IS TO BE OF PVC WHEREVER POSSIBLE, AS DIRECTED BY THE
<br />ENGINEER, AND CONNECTED TO THE EXISTING SDIER WITH FITTINGS OR PZAPTERS AS
<br />APPROVED BY THE ENGINEER.
<br />r
<br />12. SPECIAL CONSIDERATION SHOULD BE GIVEN TO SITES NUMEER `21, ZZ, -93,25, ZS A'�9zp
<br />WHERE EXCAVATION WORK WILL BE DONE IN WETLAND AREAS. SPEC AL REQU _EMF,'"TS
<br />PERTAINING TO WORK IN THESE AREAS ARE LISTED IN THE SPECIFICATIONS.
<br />13. CONSTRUCTION DETAILS ARE APPENDED TO THE SPECIFICATIONS.
<br />14. LOCATIONS AND EXTENT OF POINT REPAIRS ON SEWED SERVICES S11-NIJ2 BE DETERMINED
<br />IN THE FIELD BY THE ENGINEER.
<br />PAVEMENT REPLACEMENT DETAILS
<br />y.
<br />Gp ✓h'SB
<br />/% Ci /NOER
<br />cou/tSE
<br />SIDEWALK
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<br />UVL)15TU1?3E0 PAVEMENT(TY)F
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<br />"MEC14A N /CALL Y
<br />COMPACTED
<br />Gri'4 YEL - Co "L /FTS
<br />TIFENC H
<br />,s4wcur
<br />TOWN STREETS
<br />NO SCALE
<br />(TYP 6" PC - "I ICED
<br />3177 co,vc, co vc,
<br />TEMj? °aTCH
<br />T1745-NCH
<br />Y S `SEC. )
<br />s �,if� ✓GEC? GO�/.lsF�
<br />3 `c E� °SE M?X
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<br />(lip "YOAcoa /it 6
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<br />FA I UH STATE HiSt WAVY
<br />NO SCALE
<br />TON OF LEXINGTON, t4VzS! ' *jST-?"T5
<br />S!---VIER SYSTLM R' _ ABII FrATiQ-
<br />DATE OPAL "P BY h LRI n t
<br />SEPT. 1985 TA'i 5/?1e, . - _. �.:i:S`,d.: -..� .a±c:rct•; = or?ac.:: -,.. A;
<br />GROUP 75 Kneeland Street, 91o,;�4 t= n. Y ., O2111
<br />PRAO�TCT NO.
<br />59EJ0
<br />R1
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<br />C. ACCESS flD.
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<br />SSflp / SSo
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<br />LEGEND
<br />PIPE DIAMETER (8" It';LUS DTVF,' rj, zE NOTED)
<br />DIM TION OF FIr?W
<br />"OLE At
<br />DISTiKICT DQMXRY AIM DIZfRICT 1i ;UKBER
<br />i�
<br />EXC4VA` E ACS' : Ph'XS?CkT— PrAA.3' ZLTiT.A`1'ION
<br />ARE V %"VA.L Nrl0 5, Tva S S1. tz"r
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<br />�._;
<br />V
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<br />Vv C�
<br />R N
<br />GtM O 600 1200 �GpO
<br />SCALE A 'EET
<br />W I N C H E
<br />S
<br />T E
<br />tr
<br />hA7c / 6X 1S7*,
<br />0 i;'GLEAN 6'i/Z4(/6L
<br />z
<br />REVIS10NS
<br />NO. DATE I DRAWN BY DESCRIPTION
<br />Q 4 - ?7 -87 P ✓F n,6Q.E. COMWCAITS
<br />I GENERAL NOTES
<br />I. PLANS AND PROFILES OF THE GROUND SURFACE ARE BASED UPON EXISTING SEWER
<br />RECORD PLANS OR CONTRACT DRAWINGS AND MAY NOT REFLECT CURRENT GROUND
<br />CONDITIONS.
<br />2. DUE TO THE NATURE OF THIS PROJECT, ALL ELEVATIONS ARE BASED ON DATUMS
<br />FROM EXISTING RECORD PLANS OR CONTRACT DRAWINGS AND SHOULD NOT BE ASSUMED
<br />TO REFER TO A USGS MEAN SEA LEVEL DATUM, NOR SHOULD IT BE ASSUMED THAT
<br />THERE IS A RELATION AMONG'THE DIFFERENT DATUMS.
<br />3. THE SEWER STATIONING WAS TAKEN FROM TOWN RECORDS AND THEREFORE STA, -.0 +00
<br />MAY NOT BE ON EVERY DRAWING.
<br />4. FOR POINT REPAIRS ON SEWERS, THE DRAWINGS SHOW THE APPROXIMATE BEGIN14ING
<br />OF THE POINT REPAIR AND THE LENGTH OF PIPE TO BE REPLACED, IF THE DISTANCES
<br />SHOWN DO NOT CORRESPOND EXACTLY TO PIPE JOINTS, THE CONTRACTOR SHALL BEGIN
<br />AND END POINT REPAIRS AT PIPE JOINTS.
<br />5. EACH PROJECT SITE IS IDENTIFIED BY A SITE NUMBER WHICH CORRESPONDS TO THE
<br />SITE 5_EMBERS IN SECTION 201.1 "SCHEDULE OF WORK” OF THE SPECIFICATIONS.
<br />ADDITIONAL INFORMATION ABOUT THE PROJECT SITES IS PROVIDED IN THE "DETAILS
<br />AND GENERAL NOTES" APPENDED TO THE SPECS. OR CAN BE OBTAINED AT THE OFFICES
<br />OF LEA GROUP ENGINEERS.
<br />6. SEPARATE CONSTRUCTION SPECIFICATIONS ARE INCLUDED WITH THE CONTRACT DOCUMENTS.
<br />THESE STANDARD CONTRACT DRAWINGS ARE NOT COMPLETE WITHOUT THESE SPECIFICATIONS.
<br />7. SINCE MOST OF THE WORK WILL BE IN PREVIOUSLY EXCAVATED TRENCHES, NO BORINGS
<br />WERE TAKEN. KNOWN SUBSURFACE CONDITIONS ARE INDICATED ON THESE DRAWINGS.
<br />8. THE CONTRACTOR SHALL CONFINE HIS OPERATIONS AND ACTIVITIES FOR CONSTRUCTION
<br />PURPOSES WITHIN STREET LINES, EASEMENTS, AND RIGHTS OF WAY AS SHOWN ON THE
<br />DRAWINGS. TRENCHES FOR THE REPLACEMENT OF SEWER SERVICES SHALL PROCEED ONLY
<br />AS FAR ACROSS PRIVATE PROPERTY AS DIRECTED BY THE ENGINEER. CONSTRUCTION
<br />OPERATIONS SHALL BE CONDUCTED SUCH THAT, WHERE POSSIBLE, ONE LANE OF TRAFFIC
<br />REMAINS OPEN AT ALL TIMES ON TRAVELLED WAYS. THE CONTRACTOR SHALL COORDINATE
<br />CONSTRUCTION, TRAFFIC CONTROL, AND DETOURS WITH THE LEXINGTON POLICE AND FIRE
<br />DEPARTMENTS TO MINIMIZE OBSTRUCTION OF TRAFFIC, ALL SUITABLE EXCAVATED
<br />MATERIAL IN STREETS SHALL BE HAULED AWAY AND STORED IN AREAS AS DIRECTED B
<br />THE ENGINEER UNTIL IT CAN BE USED FOR BACKFILL, SHOULD IT BECOME NECESSARY
<br />TO CLOSE THE ROADWAY TO THROUGH TRAFFIC, THE CONTRACTOR SHALL GIVE AT LEAST
<br />ONE (1) WEEK NOTICE TO THE ENGINEER, SO THAT AN ALTERNATE THROUGH ROUTE CAN
<br />BE ESTABLISHED. THE CONTRACTOR SHALL PROVIDE DETOUR SIGNS ALONG THE
<br />ALTERNATE THROUGH ROUTE, AS DIRECTED BY THE ENGINEER.
<br />9. THE CONTRACTOR SHALL NOTE THAT THERE MAY BE CONFLICTS WITH EXISTING GAS
<br />AND UNDERGROUND ELECTRIC POWER LINES, AND THAT HE SHALL COORDINATE ALL
<br />WORK WITH THE APPROPRIATE UTILITY,
<br />10. DAMAGE TO ANY UTILITY WILL BE REPAIRED BY THE CONTRACTOR, AT THE CONTPACTOR'S
<br />EXPENSE, IN A TIMELY MANNER SO THAT DISRUPTION OF SERVICE OF ANY UTILITY
<br />WILL NOT BE LONGER THAN TWO HOURS OR PRACTICALLY NECESSARY TO REPAIR THE
<br />DAMAGE. THE CONTRACTOR SHALL COORDINATE REPAIR WORK WITH THE APPROPRIATE
<br />UTILITY COMPANY OR THE TOWN,
<br />11. REPLACEMENT SEWER IS TO BE OF PVC WHEREVER POSSIBLE, AS DIRECTED BY THE
<br />ENGINEER, AND CONNECTED TO THE EXISTING SDIER WITH FITTINGS OR PZAPTERS AS
<br />APPROVED BY THE ENGINEER.
<br />r
<br />12. SPECIAL CONSIDERATION SHOULD BE GIVEN TO SITES NUMEER `21, ZZ, -93,25, ZS A'�9zp
<br />WHERE EXCAVATION WORK WILL BE DONE IN WETLAND AREAS. SPEC AL REQU _EMF,'"TS
<br />PERTAINING TO WORK IN THESE AREAS ARE LISTED IN THE SPECIFICATIONS.
<br />13. CONSTRUCTION DETAILS ARE APPENDED TO THE SPECIFICATIONS.
<br />14. LOCATIONS AND EXTENT OF POINT REPAIRS ON SEWED SERVICES S11-NIJ2 BE DETERMINED
<br />IN THE FIELD BY THE ENGINEER.
<br />PAVEMENT REPLACEMENT DETAILS
<br />y.
<br />Gp ✓h'SB
<br />/% Ci /NOER
<br />cou/tSE
<br />SIDEWALK
<br />NO SCALE
<br />UVL)15TU1?3E0 PAVEMENT(TY)F
<br />—T
<br />"MEC14A N /CALL Y
<br />COMPACTED
<br />Gri'4 YEL - Co "L /FTS
<br />TIFENC H
<br />,s4wcur
<br />TOWN STREETS
<br />NO SCALE
<br />(TYP 6" PC - "I ICED
<br />3177 co,vc, co vc,
<br />TEMj? °aTCH
<br />T1745-NCH
<br />Y S `SEC. )
<br />s �,if� ✓GEC? GO�/.lsF�
<br />3 `c E� °SE M?X
<br />'617T` ol"' oU5 c©uc
<br />(lip "YOAcoa /it 6
<br />,(1 %2` /31NL7E )
<br />A5 ?tC7E F3YM:D.C?W.
<br />FA I UH STATE HiSt WAVY
<br />NO SCALE
<br />TON OF LEXINGTON, t4VzS! ' *jST-?"T5
<br />S!---VIER SYSTLM R' _ ABII FrATiQ-
<br />DATE OPAL "P BY h LRI n t
<br />SEPT. 1985 TA'i 5/?1e, . - _. �.:i:S`,d.: -..� .a±c:rct•; = or?ac.:: -,.. A;
<br />GROUP 75 Kneeland Street, 91o,;�4 t= n. Y ., O2111
<br />PRAO�TCT NO.
<br />59EJ0
<br />R1
<br />
|