(a) It shall be the duty of the consumer at any premises on which backflow prevention devices required by this chapter 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 separation shall be inspected at the time of installation and at least every twelve months thereafter.
(2) Double check valve assemblies shall be inspected and tested for tightness at the time of installation and at least every twelve months thereafter. They shall be dismantled, inspected internally, cleaned and repaired whenever needed and at least every thirty months.
(3) Reduced pressure principle backflow prevention devices shall be inspected and tested for tightness at the time of installation and at least every twelve months thereafter. They shall be dismantled, inspected internally, cleaned and repaired whenever needed and at least every five years.
(4) Interchangeable connections shall be inspected at the time of installation and at least every twelve 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 Director of Service or a person approved by the Director of Service as qualified to inspect, test and overhaul backflow prevention devices.
(c) Whenever backflow prevention devices required by this chapter are found to be defective, they shall be repaired or replaced at the expense of the consumer without delay.
(d) The water consumer must maintain a complete record of each backflow prevention device from the purchase to retirement. This includes a comprehensive listing that includes a record of all tests, inspections and repairs. Records of inspections, tests, repairs and overhauls shall be submitted to the Director of Service.
(e) Backflow prevention devices shall not be bypassed, made inoperative, removed or otherwise made ineffective without specific authorization by the Director of Service.
(Ord. 79-18. Passed 4-24-79.)