07-28-10 Agenda - Laserfiche WebLink

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the city in their activities No water customer shill be c*iven a credit on a water bill for a(lowin~ water to run to Rrevent freezing without specific prior authorization from the council annually. 1601.090. ABANDONED SERVICES. (1) All service installations that have been abandoned m- have not been used for three (S) years shall be disconnected at the main by the City and all pipe and appurtenances removed shall be the property of the City, and any expense of the City shall be charged to the property. (2) When new buildings are erected on the site of old ones, and it is desired to increase or change the old water service, no connections with the mains shall be made until all the old service steal] have been removed and the main plugged by the City, and any expense of the City shall be charged co the property. 1601.100. SERVICE PIPES. (1) Every service pipe must be laid sufficiently waving to allow not less than I foot of extra length and in such mamrcr as to prevent rupture by settlement. T'he service pipe must be placed no less than ~ se~~err feet below the surface and in all cases so arranged as to prevent rupture by freezing. Any Wipe laid at a depth o{-less than seven feet shall be approved by the City Inspector and insulated with a minimum of two inches of insulation per foot shallower than seven feet. The insulation shall he four-feet wide unless alternate width is approved by City Inspector. Service pipes must extend from the curb box to the inside of the building; or, if not taken into a building, then to the hydrant or other fixtures which it is intended to supply. Water service pipe materials shall be water tight, corrosion resistant, and be approved under the Minnesota State Plumbing Code and by the Public Works Director. AlI underground joints to be mechanical or silver-soldered.moss-othe,~,d-m}~".~13t"n=ti~s=~p.~,"n,~=.t• Joints shall be kept to a minimum, with not more than 1 joint used for service to 70 feet in length. All joints and connections shall be left uncovered until inspected and tested at normal water line pressure. All services over 2" shall be ductile iron. Connections with the mains for domestic supply shall be at least 3kf-one-inch. (2) Where ductile iron is used for service connections from the water main to the property line, the smallest size permitted shall be 4" ductile iron service connections with 4" gate valves. Each ductile iron service shall he sodded from the water main tee to the gate valve or as directed by the Public Works Director. (3) All service wipe laid between the curb box and the building shall be able to he located with a locating device If plastic pipe is used a tracer wire shall be installed along the pipe and brought up to mound level with permanent access for City personnel to connect to it with locating equipment. 1601-3 4