(A) Materials.
(1) (a) All service lines shall be a minimum of three-fourths inch in diameter. All water service lines smaller than four inches diameter shall consist of Type K copper pipe meeting ASTM B88-62 from the main to the curb box.
(b) Poly pipe or PVC pipe may be considered on a case-by-case basis in corrosive soil with approval from the Public Works Department.
(2) All water service lines four inches diameter and larger shall consist of ductile iron pipe meeting AWWA C151, American National Standard for ductile iron pipe.
(a) Stainless steel inserts are required for all compression-type fittings.
(b) In accordance with Sections 1417(a) and (b) of the Safe Drinking Water Act amendments of 1986 (Public Law No. 99-339), being 42 U.S.C. §§ 300f et seq., the use of solders and flux containing more than 0.2% lead and pipes and fittings containing more than 8% lead is prohibited in the installation and repair of residential or non-residential plumbing connected to a public water supply system.
(B) Installation.
(1) All water service lines must be so arranged that the supply to each separate house premises or buildings may be controlled by a separate shut-off valve and curb box placed within the right-of-way near the property to be served.
(a) One singular, identifiable entity will be responsible for all the water used through each service.
(b) All water service line connections to the water main must be made by a licensed plumber.
(2) All individual condominiums and separate buildings, including manufactured homes, must be served by individual service lines from the main. In the cases where individual service lines are not feasible, one service will be allowed with only one master meter that is the responsibility of the condominium associations or one individual for payment.
(a) Multiple meters that are read and billed by the city will not be allowed on a single service.
(b) In cases where the street is less than ten years old with a single service to the condominium lot, individual meters may be allowed with manifold and a master shut-off valve, along with individual shut-off valves located within the city right-of-way.
(3) (a) At all locations where water service lines are installed beneath new curb, the face of the curb shall be stamped with a “W” in lettering at least three inches tall, for marking the water service location.
(b) “Tunneling” under existing curbs, curb and gutter, and the like is prohibited.
(4) (a) All services must be connected to a city main. Service lines may not be connected to fire hydrant leads.
(b) A tracer wire must be installed and tested for all poly pipe and PVC services.
(C) Curb stops and boxes.
(1) Curb stops. All curb stops shall have a bronze plug, tee head key with either a Minneapolis top thread or standard no thread, with a copper flare nut on both connections.
(2) Curb boxes. All curb boxes shall be extension-type having a minimum box length, fully retracted, of six feet.
(a) All curb boxes shall be Mueller or Ford or equal as approved by the Public Works Department.
(b) All curb boxes shall have screw-on or other type lid, which can be attached to the top of the riser.
(c) All curb boxes shall be within 1° of plumb and centered directly over the corporation stop nut.
(d) A one-inch rigid pipe must be able to pass through the curb box and over the operating nut.
(e) The curb box will be part of the final inspection, by the PWD, for building permit or final approval of infrastructure construction.
(D) Service line meters.
(1) (a) Water meters, including meter remote read hardware, will be purchased by the property owner and will be installed by a licensed plumber.
(b) Meters will be Neptune T-10. Remote readout will be placed on the outside of the building at a location that is easily accessed by city personnel.
(2) (a) All meters must have valves upstream and downstream of the meter in order to isolate the meter for servicing.
(b) Meters and remote read hardware, are the property of the city.
(3) All meters must be installed in a horizontal line at a minimum of 18 inches and a maximum of four feet from the floor, and a minimum of six inches from any wall.
(a) The meter must also be located close to a floor drain.
(b) All meters shall be located away from any electrical devices/equipment.
(4) All meters larger than two inches shall be either turbine or compound meters and shall be installed in accordance with the manufacturer’s recommendations, including a strainer and bypass with locking type valve.
(E) Backflow prevention.
(1) BACKFLOW is defined as the undesirable reversal of water flow or the reversal of water flow containing other liquids, gases or other substances from a connected source that flows into the distribution pipes of the public water supply.
(2) The city may require, at its discretion, the installation of appropriate backflow protection devices on new or existing service lines when the water user is involved in water use practices that pose a threat to the city’s water system. All existing sources for water that are not part of the city’s water system must be disconnected from the city’s system.
(Prior Code, § 11.05.010.030) (Ord. 2019-9, passed 9-3-2019; Ord. 2021-15, passed 12-20-2021) SANITARY SEWER SYSTEMS