§ 34-580. Cartridge filters.

(a)

Appurtenances. Each filter shall be equipped with influent and effluent pressure gauges with a minimum face size of two inches. All appurtenances shall be conspicuously located for quick inspection.

(b)

Piping and valves. The filtering system shall be designed with valves and piping that allows filtering to pool, bypass filter to waste, and complete drainage of the system. The piping layout shall accommodate proper maintenance, operation and inspection.

(c)

Cartridges. Two sets of cartridges shall be provided so that one set may be cleaned while the filter is in operation. Disposable cartridges will be replaced when the required filtration rate is impaired. Modular-type cartridge filters, if approved, are not required to have a second set of cartridges.

(Ord. No. 09-0120, 1-7-09)