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1. Pretreatment Facilities. Users shall provide wastewater treatment as necessary to comply with this Part and shall achieve compliance with all categorical pretreatment standards, local limits, and the prohibitions set out in § 18-513 of this Part within the time limitations specified by EPA, the State, or the City, whichever is more stringent. Any facilities necessary for compliance shall be provided, operated, and maintained at the user's expense. Detailed plans describing such facilities and operating procedures shall be submitted to the City for review, and shall be acceptable to the Superintendent before such facilities are constructed. The review of such plans and operating procedures shall in no way relieve the user from the responsibility of modifying such facilities as necessary to produce a discharge acceptable to the City under the provisions of this Part.
2. Additional Pretreatment Measures.
A. Whenever deemed necessary, the City may require users to restrict their discharge during peak flow periods, designate that certain wastewater be discharged only into specific sewers, relocate and/ or consolidate points of discharge, separate sewage waste streams from industrial waste streams, and such other conditions as may be necessary to protect the POTW and determine the user's compliance with the requirements of this Part.
B. The City may require any person discharging into the POTW to install and maintain, on their property and at their expense, a suitable storage and flow-control facility to ensure equalization of flow. An individual wastewater discharge permit may be issued solely for flow equalization.
3. Grease and Sand Traps. Grease, oil, and sand interceptors shall be provided when, in the opinion of the City, they are necessary for the proper handling of wastewater containing excessive amounts of grease and oil, or sand; except that such interceptors shall not be required for residential users. All interception units shall be of a type and capacity approved by the City, and shall be so located to be easily accessible for cleaning and inspection. Such interceptors shall be inspected, cleaned, and repaired, if deemed necessary by the City, by the user at their expense.
4. Garbage Grinders. The use of mechanical garbage grinders producing a finely divided mass, properly flushed with an ample amount of water, shall be permitted, upon the condition that no such mechanical grinder used for commercial business purposes shall be installed until permission for such use has been obtained from the City.
5. Flammable Substances. Users with the potential to discharge flammable substances may be required to install and maintain an approved combustible gas detection meter.
(Ord. 7-6-2010, 7/6/2010, § 3.4)