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OR BK 9999 PG 1885 Page 14 of 18 interceptor or its drain lines.A live bacterial product,which does not contain any enzymes,surfactants,emulsifiers,or substances that act as solvents for fat and does not affect the wastewater collection system may be used in thel cleaning and maintenance, upon approval by the Administrator and based on formulation and operational criteria such as safety data sheets. G. Grease interceptors must be pumped out completely and left empty.Decanting or pump and return of grease waste are prohibited. H. In-ground grease waste interceptors shall be pumped at a frequency that maintains a grease and oil layer of less than six inches on top of the grease waste interceptor and a solids layer of less than eight inches on bottom of the grease waste interceptor.The measurement point for determination of the grease and solids layer shall be adjacent to the outlet pipe. I. Undersink grease waste interceptors shall be monitored by the service facility at least once per week.Removal of grease waste and sediments is required when operational capacity is reduced to 80%or less.This is calculated by the volume of the top(grease) layer added to the volume of the bottom(sediment)layer,the sum of the layers is divided by the total operational volume-[(Top in3+Bottom in3)/total operational in3]. J. The service facility shall be responsible for opening access covers or manhole covers to the grease waste interceptor for inspection by the City of Zephyrhills. K. The grease waste interceptor area and monitoring facilities shall be maintained safe,clear of debris,and accessible at all times for observation,inspection,sample collection and flow measurement of the service facility's discharge to the wastewater collection system. L. Manholes shall be maintained at least to finish grade and will be maintained to prevent inflow. M. Upon discovery of a problem or damaged interceptor,the service facility manager shall notify the Administrator within 72 hours of the discovery)!A maintenance response by the service facility is required within 5(five)days. 57.20.4 SERVICE FACILITY IDENTIFICATION It is unlawful for any service facility that generates grease or produces grease waste to discharge same into the City of Zephyrhills's wastewater facilities without authorization from the Administrator. A. Authorization shall be given in the form of a grease waste registration certificate. Application for a grease waste registration certificate shall be made to the Administrator or designee.If,after examining the information contained in the application,the Administrator determines that the proposed service facility does comply with the provisions of this sub-Ordinance,a grease waste registration certificate shall be issued allowing the discharge of grease waste into the City of Zephyrhills's wastewater collection system.If the Administrator denies a service facility's application for a grease waste registration certificate,the owner of the service facility may appeal the Administrator's decision to the City Manager.To ripen the appeal,the owner of the service facility must submit a written request to the City manager stating the grounds for the appeal.The City manager's determination shall be final. B. Each grease waste registration certificate shall be issued for a 5-year period commencing from the date of the issuance. -14