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(7) The use of biological additives for grease remediation or as a supplement <br />to interceptor maintenance, without prior authorization from the FOG control program <br />manager. <br />(8) The discharge of waste from toilets, urinals, washbasins, and other <br />fixtures containing fecal materials to sewer lines intended for grease interceptor service. <br />(9) The discharge of any waste, including FOG and solid materials removed <br />from the grease control device, to the sewer system. <br />(b) Dishwashers and food waste disposal units shall not be connected to or <br />discharged into any grease trap. <br />Sec. 39-56.3. - Same —Best management practices required. <br />All FSEs shall implement best management practices (BMPs) in their operation <br />to minimize the discharge of FOG to the sewer system. The requirements and <br />guidelines for BMPs are specified in the rules and regulations. <br />Sec. 39-56.4. - Same —FOG pretreatment. <br />(a) FOG pretreatment required. Waste containing FOG shall be discharged <br />into the sewer system only under the conditions of this section. The following facilities <br />shall discharge all waste from sinks, dishwashers, drains, and any other fixtures through <br />which grease may be discharged, into an adequately sized, properly maintained and <br />functioning grease interceptor before the discharge enters the sewer system, as well as <br />provide a grease interceptor effluent monitoring port. <br />(b) Newly constructed FSEs. <br />(1) A newly constructed FSE(s) shall install grease interceptors prior to <br />commencing the discharge of wastewater to the sewer system. <br />(2) Existing FSEs undergoing remodeling or a change in operations shall be <br />required to install a grease interceptor prior to commencing the discharge of wastewater <br />to the sewer system. <br />(c) Existing FSEs. Existing FSEs are not required to install a grease <br />interceptor unless the FOG control program manager makes a determination that the <br />existing FSE currently or potentially adversely impacts the sewer system by causing or <br />contributing to: <br />(1) FOG hot spots; <br />(2) Interference; <br />Ordinance No. NS-2921 <br />Page 46 of 57 <br />