(A) Approved backflow prevention assemblies shall be installed on the service line to any premises that the Department has identified as having a potential for backflow.
(B) The following types of facilities or services have been identified by the Department as having a potential for backflow of nonpotable water into the public water supply system. Therefore, an approved backflow prevention assembly will be required on all such services according to the degree of hazard present. Other types of facilities or services not listed below may also be required to install approved backflow prevention assemblies if determined necessary by the Department. As a minimum requirement, all commercial services will be required to install a double check valve assembly, unless otherwise listed in this subsection.
(1) Auxiliary water systems:
(a) Approved public/private water supply: DCVA.
(b) Unapproved public/private water supply: AG.
(c) Used water and industrial fluids: RP.
(2) Buildings, including hotels, apartment houses, public and private buildings, or other structures having unprotected cross-connections.
(a) Under five stories, no health hazard: DCVA.
(b) Under five stories, health hazard: RP.
(c) Over five stories, all: RP.
(3) Fire systems:
(a) No health hazard: DCDA or PVB.
(b) Health hazard (booster pumps, foam, antifreeze solution, and the like): RP.
(4) Systems two and one-half inches to ten inches or larger:
(a) No health hazard: DCDA.
(b) Health hazard (booster pumps, foam, antifreeze solution, and the like): RPDA.
(5) Lawn irrigation systems (split taps):
(a) No health hazard: DCVA or PVB.
(b) Health hazard (booster pumps, chemical systems): RP.
(6) Restaurants:
(a) No health hazard: DCVA.
(b) Health hazard: RP.
(7) Sewage and storm drain facilities: RP.
(8) Swimming pools: RP.
(9) Waterfront facilities and industries: RP.
(C) All assemblies and installations shall be subject to inspection and approval by the Brunswick County and the Department.
(Res. passed 11-20-03) Penalty, see § 50.99