(a) It shall be the duty of the consumer at any premises on which backflow prevention devices required by these regulations are installed to have inspections, tests, and overhauls made in accordance with the following schedule, or more often where inspections indicate a need:
(1) Air gap separations shall be inspected at the time of installation and at least every 12 months thereafter;
(2) A. Double check valve assemblies shall be inspected and tested for tightness at the time of installation and at least every 12 months thereafter.
B. They shall be dismantled, inspected internally, cleaned and repaired whenever needed and at least every 30 months;
(3) A. Reduced pressure principle backflow prevention devices shall be inspected and tested for tightness at the time of installation and at least every 12 months thereafter.
B. They shall be dismantled, inspected internally, cleaned and repaired whenever needed and at least every five years; and
(4) Interchangeable connections shall be inspected at the time of installation and at least every 12 months thereafter.
(b) Inspections, tests, and overhauls of backflow prevention devices shall be made at the expense of the water consumer and shall be performed by the Superintendent of Water or a person approved by the Superintendent of Water as qualified to inspect, test and overhaul backflow prevention devices.
(c) Whenever backflow prevention devices required by these regulations are found to be defective, they shall be repaired, overhauled or replaced at the expense of the consumer without delay.
(d) (1) The water consumer must maintain a complete record of each backflow prevention device from purchase to retirement.
(2) This shall include a comprehensive listing that includes a record of all tests, inspections, repairs and overhauls.
(3) Records of inspections, tests, repairs and overhaul shall be submitted to the Superintendent of Water.
(e) Backflow prevention devices shall not be bypassed, made inoperative, removed or otherwise made ineffective without specific authorization by the Superintendent of Water.
(Ord. 2200.21, passed 2-5-1996)