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� <br />� <br />' <br />� <br />L- J <br />' <br />� <br />� <br />� <br />lanterne, and guarde as required shzll be plactd and maintained during the pro- <br />�;ress of the conetruction work and until it is safe for traffic to use the <br />trenched highway. <br />23055.15 TRAFFIC AND UTILITY CONTR�LS: Excavation for pipe laying operations shall be <br />conducted in a manner to cause the leaat interruption to traffic, Where <br />traffie must cross open trenches, the Contractor shall provide suitable bridges <br />at streefi intersections and'�riveways. Hyd'rante under pressure, valve pit covers, <br />valve boxes, curb stop bo�-�B, fire or polic.e call boaes, or other utilitq con.trols <br />shall be left unobstructed and accessible during the construction period. <br />23055.i6 PRIVATE PROPERTY PROTECTION: Trees, fences, poles, and all other private pro�perty <br />shall �e protected unless their removal is siuthorized; and any propertq damage <br />shall be satisfactorily regtnred by the Contractor, or adequate com�ensation <br />therefor shall be the responsibility of the Contractor. <br />23055.17 INT�RRUPTION OF WATER SERVICB: No valve or other control on the exieting system <br />ahall be operated for any purpose by rhe Contractor without approval by the <br />Engineer, and all consumers affected by such operation shall be notified by t.he <br />Owner at least an hour before the operatior, and be advised of thc probable ti.me <br />when service will be restored. <br />23055.18 TUNNELING, JACKING, OR EXCAVATION OTHER THAN OPEN TR,ENCH: Where pipe cannot t�e <br />, placed by open trench excavation, the method for placing and payment therefor <br />� sh�ll be stated in the "SPECUL PROVISIONS". <br />23055.19 MANNER OF HANDLING PIPE AND ACCESSORIES INTO TRENCH: Proper implen�ents, tools, <br />� and facilities satisfactory to the Engineer shall be provided �nd ueed by Che <br />Contractor for the s�fe and convenient proaecution of the work. <br />� 23055.20 HAMMER TEST: Before lowering and while suepend�d, the pipe sti�ll be inepectcci <br />for defects and tapped with a light h�tmmtier to detect cracks. Any defective, <br />� damaged, or unsound pipe shall be rejected. <br />LJ <br />� <br />� <br />L� <br />� <br />u <br />'�J <br />23055.21 PIPE KEPT CLEAN: All foreign matter or dirt shall be removed from tt�e in�ide <br />of the pipe before it is lowered into ite po�ition in the trench, and it ��isll <br />h� kept cl�aia by approved means during and After _l.�ying. <br />23055.22 PREDENTING �'ZENCH WATER FROM ENTERING PIPE: All op�nings �zlong, th� line of <br />water main sh�11 be securely closed, us direcCed� and AG tli� �uspen�ion of <br />work at any time, sui.table stoppera sh�ll be placec! to prev�nt 4a�rCh or �ny <br />substances from entering water main. <br />23055.23 RAILROAD AND HIGHWAY CROSSINGS; Wi1en any rnilroz►d ie croased, all �recAuC�c�nary <br />construction measure� required by the railrond shall Ue fallowed, 5ee "SPECTAL <br />PROVISIQNS" or DETAIL DRAWINGS". The Owner �h�ll b� responyible for Che He�urin$ <br />of neceeeary crossing permits� and the ('o��tractor sh�ill gi.v� nc�t 1��b than �5 <br />days notice in writin� to the Engineer 'oefore the cr�ssin� i� m�d�, licfore �ny <br />construction is etarted� the succeesfu.l biddcr shnll m�ee WiCh the prc>p�r hi.�hw�ay <br />agency and the Engineers to determine the constructi�n procedurc Cu 1>e fullowEd� <br />methods of re-routing traffic, pla�ing of barricacies� �l�rea, aigris� i lu�;nic�n, <br />etc., and methods of preventing c�amuge Co the higtiw�a��. <br />If required by the proper highway a�ency, the CUntract�r sh�11 ciep��sit with <br />them a certified cheek in the amount specified hy them Cu �over tl�c� �•eclu:irc,�i <br />23000 - 6 <br />