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1 <br /> CITY OF EVERETT SPECIAL PROVISIONS <br /> debris plugs or to maintain the debris plugs until pipe installation may be cause for <br /> City to reject the pipe or require Contractor to disinfect the pipe in accordance with <br /> AWWA C651 and as witnessed by City Water Quality personnel prior to <br /> installation. <br /> Supplement 7-09.3(13) by adding the following: <br /> Touch up earthquake resistant pipe system pipe and component coatings using ' <br /> zinc-rich coating (85% zinc) in accordance with ICO-8179-part 2 as necessary <br /> prior to installing the polyethylene encasement. <br /> 7-09.3(17) Laying Ductile Iron Pipe With Polyethylene Encasement I <br /> Supplement 7-09.3(17) by adding the following: <br /> Encase Earthquake System piping in 8 mil V-Bio polyethylene encasement. <br /> 7-09.3(19) Connections <br /> 7-09.3(19)A Connections to Existing Mains <br /> Delete the last paragraph in 7-09.3(19)A and substitute the following: <br /> Only City Utilities Department personnel may make connections to existing <br /> water mains after successful pressure testing, disinfection and flushing. <br /> Schedule arrangements with the City Utilities Department a minimum of five <br /> business days in advance of making connections to the existing water main. <br /> Assemble necessary materials, equipment, and labor necessary to properly <br /> complete the Work prior to beginning the connection. <br /> Provide traffic control and expose the water main at the connection allowing <br /> sufficient room for COE forces to make connection, expose the water main at <br /> the connection, including properly shoring and sheeting the excavation in <br /> accordance with requirements of WISHA, RCW 49.17 including WAC 296- <br /> 155. Should City personnel determine the excavation and shoring and <br /> sheeting do not meet the requirements of WISHA, RCW 49.17, including <br /> WAC 296-155, City personnel will notify Contractor to make necessary <br /> modifications to bring the excavation and shoring into compliance prior to City <br /> personnel entering the trench. <br /> Repair damage to existing pipe caused by the Contractor's operations at <br /> Contractor's expense. <br /> Proceed continuously once Work is started on a connection without <br /> interruption and as rapidly as possible until completed. City will not permit <br /> shutoff of mains overnight, over weekends, or on holidays. <br /> Notify COE water customers affected by water shut off if the connection to the <br /> existing system involves turning off the water. Provide a minimum of 48- <br /> hours prior notice. The Engineer will advise which property owners to notify. <br /> Depending upon the number of water customers affected by a shut-off, <br /> Contractor may need to perform the connection during times other than <br /> normal working hours. Do NOT operate valves on the existing system. Only <br /> City Utilities Department personnel may operate water system valves. <br /> Refer to 7-12.3 of these Special Provisions for tapping assembly connections, <br /> if any. <br /> 7-09.3(21) Thrust Blocking <br /> Revise the first sentence of the first paragraph to read as follows: <br /> Place concrete thrust blocking, as noted on the Plans and described in these <br /> Special Provisions, at bends where new ductile iron pipe connects to existing cast <br /> iron pipe. <br /> Supplement 7-09.3(21) by adding the following: <br /> Water Main Replacement S Division 7—STORM, SEWER,WATER January 29, 2018 <br /> WO No.—UP3664 SP—148 1 <br />