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1017.2 Design of Interceptors
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Each manufactured interceptor
that is rated shall be stamped or labeled by the manufacturer
with an indication of its full discharge rate in gpm
(L/s). The full discharge rate to such an interceptor shall be
determined at full flow. Each interceptor shall be rated
equal to or greater than the incoming flow and shall be provided
with an overflow line to an underground tank.
Interceptors not rated by the manufacturer shall have a depth of not less than 2 feet (610 mm) below the invert of the discharge drain. The outlet opening shall have not less than an 18 inch (457 mm) water seal and shall have a minimum capacity as follows: Where not more than three motor vehicles are serviced, stored, or both, interceptors shall have a minimum capacity of 6 cubic feet (0.2 m3), and 1 cubic foot (0.03 m3) of capacity shall be added for each vehicle up to 10 vehicles. Above 10 vehicles, the Authority Having Jurisdiction shall determine the size of the interceptor required. Where vehicles are serviced and not stored, interceptor capacity shall be based on a net capacity of 1 cubic foot (0.03 m3) for each 100 square feet (9.29 m2) of surface to be drained into the interceptor, with a minimum of 6 cubic feet (0.2 m3).
Interceptors not rated by the manufacturer shall have a depth of not less than 2 feet (610 mm) below the invert of the discharge drain. The outlet opening shall have not less than an 18 inch (457 mm) water seal and shall have a minimum capacity as follows: Where not more than three motor vehicles are serviced, stored, or both, interceptors shall have a minimum capacity of 6 cubic feet (0.2 m3), and 1 cubic foot (0.03 m3) of capacity shall be added for each vehicle up to 10 vehicles. Above 10 vehicles, the Authority Having Jurisdiction shall determine the size of the interceptor required. Where vehicles are serviced and not stored, interceptor capacity shall be based on a net capacity of 1 cubic foot (0.03 m3) for each 100 square feet (9.29 m2) of surface to be drained into the interceptor, with a minimum of 6 cubic feet (0.2 m3).
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