(A) No unauthorized person shall uncover, make any connections with or opening into, use, alter or disturb any public sewer or appurtenance thereof without first obtaining a written permit from the township.
(B) After the permit for a service connection has been granted and before the connection is made, the owner shall pay a permit fee for tapping the public sewer and for that portion of the building sewer situated between the property line and the public sewer as established by the township.
(C) 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.
(D) Old building sewers may be used in connection with new buildings only when they are found, on examination and test by the township, to meet all requirements of this chapter.
(E) The building sewer shall be polyvinyl chloride (PVC) or acrylanitrile-butadiene-styrene (ABS) pipe with solvent weld joints. Wall thickness shall be Schedule 40 with all materials conforming to ASTM D-2661, D-2665 and D-1785. An approved transition device shall be installed between the six-inch sewer service and the PVC or ABS building sewer.
(F) The size and slope of the building sewer shall be subject to the approval of the township, but in no event shall the diameter be less than four inches. The slope of such building sewer shall be not less than one-eighth inch per foot if six-inch or larger diameter pipe is used, and one-quarter inch slope per foot if four-inch diameter pipe is used.
(G) Whenever possible, the building sewer shall be brought to the building at an elevation below the basement floor. No building sewer shall be laid parallel to or within three feet of any bearing wall, which might thereby be weakened. The depth shall be sufficient to afford protection from frost. The building sewer shall be laid at uniform grade and in straight alignment insofar as possible. Changes in direction shall be made only with properly curved pipe and fittings.
(H) In all buildings in which any building drain is too low to permit gravity flow to the public sewer, sanitary sewage carried by such drains shall be lifted by approved artificial means and discharged to the building sewer, the cost to be borne by the property owner.
(I) All joints and connections shall be gas-tight and water-tight, utilizing premium rubber joints conforming to the requirements of ASTM Des. C-425.
(J) All excavations required for the installation of a building sewer shall be open trench work unless otherwise approved by the township. Pipe laying and backfill shall be performed in accordance with good practice, except that no backfill shall be placed until the work has been inspected.
(K) The connection of the building sewer into the public sewer shall be made only at a wye branch provided for that purpose.
(Prior Code, § 25.303) (Ord. 030888, passed 3-8-1988)