Laserfiche WebLink
PORT OF EVERETT SECTION 02510 <br /> ypR'TIi MARINA REDEVELOPMENT' WATER DISTRIBUTION <br /> SHALLOW SOIL VCP CLEANUP ACTION <br /> N. CoiTect visible leakaEe detectcd regardlcss of allowablc Icakage specificd <br /> above. Should tested section fail ro meet pressum t�st successfully as <br /> specified,locate and repair defects and cetest pipeline at no cost to Pon. <br /> O. Prioc[o notif}�ng Engineec to wimess pressure tut,have equipment set up <br /> completely,ready fot operation,and have tested successfully to ensuie pipc is <br /> in satisfactoq�condition. <br /> 3.0G DISINFECTION OP WA'I'LR r�LAINS <br /> A. Befoce being placed in service,chlorinate and obtain a sarisfactory <br /> bacteriological:epott for new watec mains and repaired portions of,oc <br /> extensions to,cxisting mains. <br /> B. I7ush pipe (including private fice]ines not recciving sterilization) pcior to <br /> disinfecvng co remo�e solids or conraminated material thxt may have <br /> Uccome lodged in pipe. If no hydrant is installed at end of main,provide a <br /> tap]arge enough to develop a velocity of at least 2.G-fps in main. Pro��de <br /> taps iequired fo�cemporary oc permanent release cf air and chlocinating or <br /> 9ushing pucposes. \YJhere dry calcium hydro chlorice is used for disinfecrion <br /> of pipc,perform flushing afrer disinfecdon. Disposc of ueated water flushed <br /> &om mains and neutralize wastea�acer for protection of aquatic life in <br /> receiving u�ater before disposal into any natural drainage channel. Disposc <br /> disinfecting solurion during test Engineei s and local authorities' sarisfaction. <br /> IE approved by Ciry,Port,and �ngineer,disposal may be made to any <br /> available sanitary sewer provided cate of disposal will not ovecload sewer. <br /> C. Sterilization: <br /> 1. Comply wiih Cit}�of Evecett Standards. <br /> D. Prcvenring Reverse Flou^. <br /> 1. Do not makc connection benvecn existing distriburion system and <br /> pipelines no�disinfected and cons�cucted undec this Conuact withouc <br /> a DSHS approved back flow preven�ec installed in connecring Gne. <br /> E. Chlorinaung Connecuons to Lr.isting\Y�ater Mains:Follow chlocinating <br /> pcocedure as speci6ed in AWWA C651. Swab closure fictings with a very <br /> strong chlorine solurion (5 to 6 percenc Cn. <br /> 3.07 FINAL PLUSHING AND TES'ITNG OF A�IAII�S <br /> j�, Follou�ing ch]ozinaring,flush creaced warei from newly laid pipe unril <br /> replacement water thzoughout its lengch shows,upon rest,absence of <br /> o2s10-16 CONDOCUMENTORD <br />