Legal Documents of Rocky Top

Code of Rocky Top

Rocky Top
Title 18 : Water and Sewers
Chapter 5 : Fats, Oil And Grease

18-508 : Installation of GCE.

  1. Owners/users are responsible for installation of the GCE.
  2. Grease traps shall be installed according to the requirements in § 18-507.
  3. Grease interceptors shall be substantially similar to sample drawings available from the water and sewer director.
  4. Tanks must be water tight and protected from rainwater inflow and infiltration.
  5. Two (2) access manholes with a minimum of twenty-four inches (24") diameter shall be provided, one (1) directly over the influent pipe and Tee and one (1) directly over the effluent pipe and Tee.
  6. Influent and effluent pipes shall be four inches (4") or larger PVC Schedule 40 or stronger.
  7. Influent and effluent pipes shall be equipped with Tee fittings properly positioned as follows. Influent flow shall be directed downward and the Tee shall terminate twenty-four inches (24") below the water surface. Effluent Tee shall block all surface grease and terminate twelve inches (12") above the bottom of the unit.
  8. The tank shall be constructed to have two compartments. Two thirds (2/3) of the volume shall be in the influent side and one third (1/3) on the effluent side. A solid baffle wall shall extend from the bottom to within six inches (6") of the top and shall be equipped with a six inches (6") elbow installed in the baffle wall with drawing flow from the influent side of the unit at a depth of twelve inches (12") from the bottom.
  9. Manhole covers shall be of materials and strength to withstand expected surface loads and secured to prevent accidental entry.
  10. Interceptors shall be located for effective cleaning and not blocked by structures or landscaping.
  11. Interceptor sizes greater than two thousand five hundred (2,500) gallons shall be served by two tanks installed in series. (Ord. #527, Feb. 2019)