(A) When required. Interceptors or separators shall be provided when, in the opinion of the Plumbing Official, they are necessary for the proper handling of wastes containing ingredients harmful to the building drainage system, or sewage treatment plant or process.
(B) Size and type. The size and type and location of each interceptor or separator shall be approved by the Plumbing Official.
(C) Type of waste. No waste other than those requiring treatment or separation shall be discharged into any interceptor except as approved by the Plumbing Official.
(D) Grease interceptors. A grease interceptor shall be installed in the waste line from sinks, drains, or other fixtures in the following establishments when, in the opinion of the Plumbing Official, a hazard exists: Bars, restaurants, hotel kitchens, factory cafeterias, clubs, car washes, or other uses where grease can be introduced into the drainage system in quantities that can affect line stoppage or hinder sewage disposal.
(E) Oil separators. An oil separator shall be installed in the drainage system section of the system where, in the opinion of the Plumbing Official, a hazard exists or where oils or other flammables can be introduced or admitted into the drainage system by accident or otherwise.
(F) Sand interceptors. Sand and similar interceptors for heavy solids shall have a water seal of not less than two inches.
(G) Venting interceptors. Interceptors shall be so designed that they will not become air bound if closed covers are used. Each interceptor shall be properly vented.
(H) Accessibility of interceptors. Each interceptor shall be so installed as to provide ready accessibility to the cover and means for servicing and maintaining the interceptor in working and operating condition. The use of ladders or the removal of bulky equipment in order to service interceptors shall constitute a violation of accessibility.
(Prior Code, § 17-310) Penalty, see § 10.99