(A) All costs and expense incident to the installation and connection of a new building sewer shall be borne by the owner. The owner shall indemnify the town from any loss or damage that may directly or indirectly be occasioned by the installation of the building sewer.
(B) A separate and independent building sewer shall be provided for every building; except where one building stands at the rear of another on an interior lot and no private sewer is available or can be constructed to the rear building through an adjoining alley, court, yard, or driveway; the building sewer from the front building may be extended to the rear building and the whole considered as one building sewer.
(C) Old building sewers may be used in connection with new buildings only when they are found, on examination and test by the Inspector, to meet all requirements of this chapter.
(D) New building sewers shall be polyvinyl chloride (PVC) pipe. PVC pipe shall be Type PSM conforming to ASTM D3034 (SDR 35), ASTM D2241 (SDR 21), or a plastic pipe meeting or exceeding either of the two aforementioned types if approved by the Superintendent.
(E) Building sewers that are within ten feet horizontally or 18 inches vertically from a water main shall be PVC, ASTM D2241 (SDR 21).
(F) All building sewer pipe joints shall be of the “O” Ring type, and be tight and waterproof.
(G) All PVC building sewer pipe shall be installed in full compliance with the “Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity - Flow Applications”, ASTM D2321-89. The pipe shall be laid on a minimum of four inches of crushed stone bedding and covered a minimum of six inches with crushed stone (less than or equal to one and one-half inch size). The crushed stone shall be tamped in place around the pipe.
(H) All new building sewers shall be air tested in accordance with ASTM F1417-92, “Standard Test Method for Installation Acceptance of Plastic Gravity Sewer Lines Using Low - Pressure Air”; and deflection tested after the elapse of 30 days after placement of the final backfill. No pipe shall exceed a deflection of 5% or greater.
(I) The size and slope of the building sewer shall be subject to the approval of the Inspector, but in no event shall the diameter be less than four inches. The slope of a four-inch pipe shall not be less than one-eighth inch per foot.
(J) Whenever possible, the building sewer shall be brought to the building at an elevation below the basement floor. In all buildings in which any building drain is too low to permit gravity flow to the public sewer, sanitary sewage carried by such building drain shall be lifted by an approved means and discharged to the building sewer.
(K) The depth of the building sewer shall be sufficient to afford protection from frost. The building sewer shall be laid at a uniform grade and in straight alignment in so far as possible. Changes in pipe direction shall be made only with properly curved pipes and fittings.
(L) No person shall discharge or cause to be discharged, either by gravity drain or by forced pump, any roof runoff, foundation drains, areaway drains, or other sources of surface runoff or ground water to a building sewer or building drain which in turn is connected directly or indirectly to a public sanitary sewer.
(M) The owner shall, at the owner’s cost and expense, maintain, repair, and replace any new defective building sewer, including the tee or wye branch, ell, tapping saddle, or any other apparatus used to connect the building sewer to the public sewer, in a tight and waterproof condition so as to prevent the escape of sewage and the infiltration of storm and surface runoff waters.
(N) The applicant for the building sewer permit shall notify the Inspector when the building sewer is ready for inspection and connection to the public sewer. The connection shall be made under the supervision of the Inspector or his or her representative.
(O) All excavations for building sewer installation shall be adequately guarded with barricades and lights so as to protect the public from hazard. Streets, sidewalks, parkways, and other public property disturbed in the course of the work shall be restored in a manner satisfactory to the town.
(Ord. 3-06-1, passed 3-20-2006) Penalty, see § 51.99