Legal Documents of Rocky Top

Code of Rocky Top

Table of Contents » Title 18 Water and Sewers » Chapter 5 Fats, Oil And Grease » § 18-507 Grease Control Equipment (GCE).
Rocky Top
Title 18 : Water and Sewers
Chapter 5 : Fats, Oil And Grease

18-507 : Grease Control Equipment (GCE).

  1. Minimum acceptable size of GCE is as follows. Larger sizes may be required by the water and sewer director.
    1. Class 1: 20 gpm/40 lbs grease trap.
    2. Class 2: 500 gallon grease interceptor.
    3. Class 3: 1,000 gallon grease interceptor.
    4. Class 4: 1,500 gallon grease interceptor.
    5. Class 5: 2,000 gallon grease interceptor.
  2. Any FSE either new or existing that is found by the water and sewer director to be interfering with the sanitary sewer system may be asked to install GCE that is larger than the minimum size and take other steps to stop that interference.
  3. Existing FSEs that do not meet these minimum sizes may continue to use existing GCE and/or best management practices if the discharge from the FSE is not interfering with the sanitary sewer system and the water and sewer director gives written permission stating that the current GCE and practices are preventing interference with the sanitary sewer system. Upon written notice from the water and sewer director that the existing GCE or BMPs are inadequate to protect the sanitary sewer system from interference, the FSE shall have sixty (60) days to install additional GCE to prevent FOG interference with the sanitary sewer system.
  4. Additionally, FSEs that discharge the water from dishwashing machines through a grease interceptor shall install a GCE which is larger than the minimum to allow for cooling of the discharge and thereby prevent discharge of FOG into the sanitary sewer system.
  5. Grease traps. These small, under-the-counter units shall be installed according to drawings provided by the water and sewer director and shall include vented flow restrictor prior to the trap. Dishwashing machines shall not be installed onto these units. Failure to follow this requirement will render the trap ineffective and the FSE shall be instructed to install a large external grease interceptor. (Ord. #527, Feb. 2019)