(A) Generally.
(1) Any approved backflow prevention device required by division (C) below shall be installed at a location and in a manner approved by the city. The consumer, at his or her sole expense, shall obtain and install said approved backflow prevention device within 90 days of notice and as directed by the city.
(2) Existing backflow prevention devices approved by the city prior to the effective date of this rule and which are properly maintained shall, except for inspection, testing and maintenance requirements, be excluded from the requirements of division (E) below, but only if the city determines that the devices will satisfactorily protect the public water supply system. If deemed necessary for proper testing, 100% closing shutoff ball valves for testing shall be provided on existing backflow prevention devices. If the city determines that an existing backflow prevention device requires replacement, it shall be replaced with an approved backflow prevention device.
(Prior Code, § 6-236)
(B) Booster pumps.
(1) No person shall install or maintain a water service connection to any premises where a booster pump has been installed on the service line to or within such premises unless such booster pump is equipped with a low pressure cutoff designed to shut off the booster pump when the pressure in the service line on the suction side of the pump drops to 20 pounds per square inch gauge or less.
(2) It shall be the duty of the water consumer to maintain the low pressure cutoff device in proper working order.
(Prior Code, § 6-237)
(C) Yard hydrants.
(1) The installation of yard hydrants where water is available or accessible for drinking or culinary purposes and which have drip openings below the ground surface is prohibited unless such hydrants are equipped with an approved device to prevent entrance of groundwater into chambers connected with the water supply.
(2) Yard hydrants or hose bibs which would be used by the consumer to provide water to mix pesticides, fertilizer or other chemicals for direct use or aerial application to surface areas shall be equipped with an anti-siphon vacuum breaker.
(3) All underground lawn and garden sprinkler systems shall be equipped with an approved backflow prevention device.
(Prior Code, § 6-238)
(D) Installation.
(1) Backflow prevention devices required by this policy shall be installed at a location and in a manner approved by the city or its authorized representative. All devices shall be installed at the expense of the consumer unless the city or its authorized representative agrees otherwise.
(2) Backflow prevention devices installed at the service connection shall be located on the consumer’s side of the water meter (if one is installed) or the corporation stop, as close to the meter or corporation stop and prior to any other connection.
(3) Backflow prevention devices shall be installed: according to manufacturer’s recommendations; where conveniently accessible for maintenance and testing; where protected from freezing; and where no part of the device will be submerged or subject to flooding by any fluid.
(Prior Code, § 6-239)
(E) Testing.
(1) Backflow and backsiphonage prevention devices designed to be tested shall be tested for proper operation annually or when necessary, in the opinion of the city or its authorized representative. Testing and repair must be done by a certified (Grade 6) backflow tester. Actual testing shall be at the expense of the consumer unless the city or its authorized representative agrees otherwise.
(2) Any required maintenance or repairs shall be at the expense of the consumer and subject to the approval of the city. If testing shall require entry into the premises, the city’s authorized representative shall give notice setting forth a proposed date and time to the consumer at least ten working days in advance by first class mail, return receipt requested.
(3) If the consumer cannot make the appointment, he or she shall contact the city’s authorized representative to arrange another date and time.
(Prior Code, § 6-240)