§ 33-238. Interceptors.

(a)

Grease, oil, or sand interceptors shall be provided for laundries, restaurants, service stations, auto repair shops, carwashes and other facilities when, in the opinion of the City, such interceptors are necessary for the proper handling of liquid wastes containing grease or oil in excessive amounts or any flammable wastes, sand, and other harmful ingredients. Such interceptors shall not be required for private living quarters or dwelling units.

(b)

All grease traps and interceptors shall be of a type and capacity approved by the City and shall be located as to be readily and easily accessible for cleaning and inspection at all times.

(c)

Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. The interceptors shall be of substantial construction, watertight, and equipped with easily removable covers. When bolted covers are required, the covers shall be gastight and watertight.

(d)

Where installed, all grease, oil, and sand interceptors shall be maintained by the owner, at his or her expense, in continuously efficient operation at all times. Maintenance shall include the complete removal of all contents, including floating materials, wastewater and bottom sludge and solids. The owner shall keep written records and documentation of all cleaning, repair, calibration and maintenance required to demonstrate compliance with this Section. Records shall be kept at the facility for a minimum of three (3) years and be made available to the City upon request.

(e)

Decanting or discharging of removed waste back into the trap or interceptor from which the waste was removed or any appurtenance of the wastewater collection system is strictly prohibited.

(f)

All grease traps, oil, sand, and grease interceptors shall be pumped out or cleaned out completely at least once every one hundred eighty (180) days, or more frequently as required by the City, unless otherwise directed in writing by the City.

(g)

The use of any enzymes, chemicals, or bacteria as a substitute for grease traps or grease trap or interceptor maintenance is prohibited. The use of such additives as a supplement to maintenance may be authorized by the City after a written request including material safety data sheets. Addition of emulsifiers into grease removal devices is strictly prohibited.

(Ord. No. 3003, § 1(Exh. A), 9-27-16)