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Any existing backflow preventer shall be allowed by the water purveyor to continue in service unless the degree of hazard is such as to supersede the effectiveness of the present backflow preventer, or result in an unreasonable risk to the public health. Where the degree of hazard has increased, as in the case of a residential installation converting to a business establishment, any existing backflow preventer must be upgraded to a reduced pressure principle device, or a reduced pressure principle device must be installed in the event that no backflow device is present.
(Ord. passed 5-26-2009)
(A) Backflow prevention devices shall be tested and inspected every 12 months.
(B) Periodic testing shall be performed by a WVBPH certified tester. This testing will be done at the owner’s expense.
(C) Any backflow preventer which fails during a periodic test will be repaired or replaced. When repairs are necessary, upon completion of the repair, the device will be retested at owner’s expense to ensure correct operation. High hazard situations will not be allowed to continue unprotected if the backflow preventer fails the test and cannot be repaired immediately. In other situations, a compliance date of not more than 30 days after the test date will be established. The owner is responsible for spare parts, repair tools or a replacement device. Parallel installation of two devices is an effective means of the owner ensuring that uninterrupted water service during testing or repair of devices and is strongly recommended when the owner desires such continuity.
(D) Backflow prevention devices will be tested more frequently than specified in division (A) above, in cases where there is a history of test failures and the water purveyor feels that due to the degree of hazard involved, additional testing is warranted. Cost of the additional tests will be born by the owner.
(Ord. passed 5-26-2009)
(A) Any backflow prevention assembly required by these rules must be installed at a location and in a manner as determined by the public water so as to facilitate testing and servicing.
(B) Any backflow prevention assembly required by these rules shall be tested at the time of installation and every 12 months thereafter.
(C) Backflow prevention assembly may be required to be tested more frequently by the supplier of water.
(D) Any backflow prevention assembly required by these rules shall be purchased, installed, maintained and tested at the expense of the water customer.
(E) All testing of a backflow prevention assembly shall be performed at such intervals and in such manner as may be required by the supplier of water.
(F) A State Bureau for Public Health certified backflow prevention assembly tester shall perform the tests.
(G) A reduced pressure backflow prevention assembly shall not be installed in a pit or vault.
(H) The water customer shall keep records of such tests and a copy provided to the supplier of water.
(Ord. passed 5-26-2009)
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