Faber Construction 8/14/2017 - Laserfiche WebLink

CITY OF EVERETT SPECIAL PROVISIONS Locate the end of each water sample collection tap above existing ground level. Plumb taps to provide downward water flow to allow effective filling of sample containers. City EMC staff shall have the authority to refuse to conduct sampling from taps they consider inadequate or not representative of water main quality. On mains exceeding 1,200 feet, provide for sample collection at one of the water services shown on the Plans. If no water services are shown on the Plans, provide 3/4-inch sampling tap in accordance with COE Standard Drawing No. 525 at appropriate locations along the main. For mid-line service taps not providing future customer service, plumb into dead- end meter setters and meter boxes at the street or sidewalk edge for use as future dedicated sampling locations in accordance with COE Standard Drawing No. 525. Locate sample tap upstream of the flushing hose connection for bacterial and disinfectant residual sampling. Due to sanitary and representative sampling issues, use only installed sample taps for collection of free chlorine or bacteriological samples. 7-09.3(24)J Repetition of Flushing and Testing Should the initial disinfection procedure result in an unsatisfactory bacteriological test, meaning total coliform bacteria is present, repeat the entire flushing and disinfection procedure until obtaining satisfactory test results. Unsatisfactory test results indicates Contractor's failure to keep the pipe, sample taps, and temporary filling attachments clean during construction, or to properly flush and disinfect the main. Supplement 7-09.3 by adding the following: 7-09.3(25) Mechanical Joint Restraining Devices (******) Restrain joints at bends, tees, dead ends and connections to existing water mains as shown on the Plans using mechanical joint restraining devices. 111 Install joint restraint system in accordance with the manufacturer's recommendations. 7-09.4 Measurement Delete all paragraphs of 7-09.4 and substitute the following: Bid items of Work completed pursuant to the Contract Documents will be measured as described in Division B — Bid Item Descriptions of these Special Provisions and Section 1-09 MEASUREMENT AND PAYMENT of the Standard Specifications. 7-09.5 Payment Delete all paragraphs of 7-09.5 and substitute the following: Payment for bid items of Work completed pursuant to the Contract Documents will be as described in Division B — Bid Item Descriptions of these Special Provisions and Section 1-09 MEASUREMENT AND PAYMENT of the Standard Specifications. 7-10 ACCESS HATCHES 7-10.1 Description This section specifies requirements for vault and manhole access hatches. 7-10.1(1) Quality Assurance Single source responsibility: Contractor shall obtain access hatches from one manufacturer. Coordination: Manufacturer and Contractor shall coordinate design/requirements with precast concrete supplier. I Sewer Regulators R4 and Division 7—STORM,SEWER,WATER May 2017 R39 Modifications WO No.—UP3633 SP-168