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1 <br /> CITY OF EVERETT SPECIAL PROVISIONS <br /> 7-09.3(24)1 Sample Collection Taps <br /> Provide water sample collection taps at each required sampling location in <br /> accordance with COE Standard Drawing No. 526 and as described in these <br /> Special Provisions. <br /> Locate the end of each water sample collection tap above existing ground level. <br /> Plumb taps to provide downward water flow to allow effective filling of sample <br /> containers. City EMC staff shall have the authority to refuse to conduct sampling <br /> from taps they consider inadequate or not representative of water main quality. <br /> On mains exceeding 1,200 feet, provide for sample collection at one of the water <br /> services shown on the Plans. If no water services are shown on the Plans, provide <br /> 3/4-inch sampling tap at appropriate locations along the main. <br /> For mid-line service taps not providing future customer service, plumb into dead- <br /> end meter setters and meter boxes at the street or sidewalk edge for use as future <br /> dedicated sampling locations in accordance with COE Standard Drawing No. 526. <br /> Locate sample tap upstream of the flushing hose connection for bacterial and ' <br /> disinfectant residual sampling. Due to sanitary and representative sampling <br /> issues, use only installed sample taps for collection of free chlorine or <br /> bacteriological samples. <br /> 7-09.3(24)J Repetition of Flushing and Testing <br /> Should the initial disinfection procedure result in an unsatisfactory bacteriological <br /> test, meaning total coliform bacteria is present, repeat the entire flushing and <br /> disinfection procedure until obtaining satisfactory test results. Unsatisfactory test <br /> results indicates Contractor's failure to keep the pipe, sample taps, and temporary <br /> filling attachments clean during construction, or to properly flush and disinfect the <br /> main. <br /> Supplement 7-09.3 by adding the following: <br /> 7-09.3(25) Mechanical Joint Restraining Devices <br /> (******) <br /> Restrain joints at bends, tees, dead ends and connections to existing water mains as <br /> shown on the Plans using mechanical joint restraining devices. <br /> Install joint restraint system in accordance with the manufacturer's recommendations. <br /> 7-09.4 Measurement <br /> Delete all paragraphs of 7-09.4 and substitute the following: , <br /> Bid items of Work completed pursuant to the Contract Documents will be measured as <br /> described in Division B — Bid Item Descriptions of these Special Provisions and <br /> Section 1-09 MEASUREMENT AND PAYMENT of the Standard Specifications. , <br /> 7-09.5 Payment <br /> Delete all paragraphs of 7-09.5 and substitute the following: <br /> Payment for bid items of Work completed pursuant to the Contract Documents will be <br /> as described in Division B — Bid Item Descriptions of these Special Provisions and <br /> Section 1-09 MEASUREMENT AND PAYMENT of the Standard Specifications. <br /> 7-12 VALVES FOR WATER MAINS ' <br /> 7-12.1 Description <br /> Supplement 7-12.1 as follows: <br /> 7-12.1(1) Submittals <br /> (******) <br /> Provide Type 2 Working Drawings for all materials and Standard Plans. ' <br /> Water Main Replacement S Division 7—STORM,SEWER,WATER January 29, 2018 <br /> WO No.—UP3664 SP—152 1 <br />