Specifications - City of Montpelier, Vermont

Title:Montpelier District HeatingCity of Montpelier, VT33615 – Hot Water Pipe Distribution SystemIssue Date:September 25, 2012Page #:18 of 18and before final in service test, a full flow pressurized flush shall be performed toremove all scale and debris. The cleaning procedure may be repeated at thediscretion of the OWNER’S Project Representative. CONTRACTOR shall notifythe OWNER’S Project Representative 48 hours in advance of flushing operations.The CONTRACTOR shall provide a method of sedimentation control for thewater prior to discharge into the storm drain system. If the water used for pipecleaning is obtained from the City of Montpelier, the CONTRACTOR shallcomply with the requirements of the Department of Public Works prior todischarge, including dechlorination.B. To establish that pipe and fittings of smaller diameter can be successfully cleaned,submit for the OWNER’S approval a method and procedure proposed to satisfythe cleaning requirements.C. Take all precautions necessary to prevent damage to the pipe, insulation, orstructures from the cleaning operation and remove the water from the excavations.D. Take all necessary precautions to ensure that no oil or other lubricant comes incontact with either the inside or outside walls of the pipe.E. Each segment shall be flushed in a manner to allow water to drain out of the pipeat low points.F. At the conclusion of pipe flushing for a given segment of pipe, theCONTRACTOR shall obtain verification from the OWNER’S ProjectRepresentative.END OF SECTION 33615HOT WATER PIPE DISTRIBUTION SYSTEM3361518