Residential Connection Guidelines

  1. Pipe must be laid a minimum 1/8” per foot slope.
  2. Pipe is to be protected one (1) foot above the top by removing stones three inches (3”) or more in size.  A three-inch (3”) protective pad of select material (stones 1” or less in size) must be hand laid on top of the pipe.
  3. Stone must be used when laying pipe in ground water and/or in unstable conditions.  Pumping is required when ground water is encountered at the city connection.  All trenches must be dry before removing service caps at installation time.  Debris/groundwater must be prevented from reaching the sewer.
  4. City pipe found could be 6” PVC, AC, VC, or “no bell” VC
    1. VC pipe can be cut and may use FERNCO fitting or square donut fitting in the bell
    2. For AC pipe, drainlayers must use FERNCO fittings
    3. All new construction must use SDR -35
    4. All connections are to be sealed tight from roots and water. Concrete is not allowed as a joint sealer
  5. Pipe must be 6” SDR -35 with gasket fittings.  Use a 4 X 6” or a 6 X 6” FERNCO flexible coupling to tie into the existing line from the building.
  6. New 6” pipe is to be installed from the city line to four feet (4’) outside the foundation.  If certain conditions exist to prevent total replacement of the existing pipe, you MUST have the approval of the WSA Inspector
  7. A run of pipe seventy-five (75) to one-hundred (100) feet will require a clean-out at the discretion of the inspector
  8. Pipe laid at the back of a building must have a clean-out at the back corner
  9. A 90 bend is not allowed; the contractor must use two (2) 45 bends
  10. Any work done within the building to four (4) feet outside the foundation comes under the direct jurisdiction of the City of Warwick Department of Building Inspection, Electrical and Plumbing Inspection
  11. Ground water pumped or flowing into the city sewer system or trench IS NEVER ALLOWED!
  12. Absolutely NO septage from cesspool or septic tank is to be pumped into the city sewer system while line is being installed.
  13. Apartment buildings of four (4) units or more must have an observation pit manhole or a full manhole (24” diameter) to observe any blockage between the road and the building.  Sizing (< 24” diameter) shall be at the discretion of the sewer inspector.
  14. If the location of the service is in question while excavating; an inspector is available to assist in locating said service between the hours of 7:30am to 3:00pm.  Any errors found different than the location given are to be reported to a WSA inspector.