(A) All food service establishments that introduce industrial wastewater into the system shall be required to install an approved grease interceptor device designed to prevent the unlawful discharge of fats, oil, and grease into the system. The grease interceptor device shall be a minimum of 750 gallons and in accordance to city standard plates 400, 413, and 415. The grease interceptor shall be easily accessible for cleaning and inspection. Maintenance records shall be maintained for a minimum of two years. The city manager may grant variances from the requirements of this paragraph on a case by case basis. The city manager may take into account the following items when determining whether to grant a variance:
(1) Size of the restaurant;
(2) Type and number of meals served per day;
(3) Seating capacity;
(4) Dishwashing facilities on-site; and
(5) Any other criteria the city manager deems applicable.
(B) All automotive related maintenance facilities that introduce industrial wastewater into the system shall be required to install a gravity separation device designed to prevent the excessive discharge of sand, silt, oil, and grease into the system. The gravity separation device shall be a minimum of 750 gallons and in accordance to city standard plates 400, 413, and 416. The city manager may grant variances from the requirements of this paragraph on a case by case basis.
(C) All commercial laundries, such as coin-operated facilities, that introduce industrial wastewater into the system shall be required to install a lint removal trap of a size and design approved by the city manager. The lint trap devices shall be cleaned at a minimum of one time per week. All commercial laundries that introduce wastewater into the system shall be required to install a gravity separation device of a minimum 750 gallons and in accordance to city standard plates 400, 413, and 416. The city manager may grant variances from the requirements of this paragraph on a case by case basis.
(D) The city manager may maintain an information file available for public use of acceptable designs of grease interceptors and gravity separation devices. These devices shall be designed in accordance with city standard plates 400, 413, 415, or 416. The installation of a design shown in such file or of any design meeting the size requirement set forth in this article or any recommendation of requirements made by the city manager shall not impute any liability to the city for the adequacy of the interceptor or gravity separation device under the actual conditions of use. Such installation shall not relieve the owner or proprietor of responsibility for keeping prohibited substances or substances in excess of the local limits in Section 19-26.
(`64 Code, Sec. 25-29) (Ord. No. 2494, 2997)