915.03 OWNER SHALL PAY COSTS.

   The owner of the premises served by a sewer shall be responsible for the maintenance and cleaning of the building sewer from the building to the point of connection with the public sewer and for the maintenance, operation, cleaning, repair, and reconstruction of the building sewer from the building to the property line or point of connection in a public easement.

   All costs and expense(s) incident to the installation, connection and maintenance of the building sewer shall be borne by the owner. The owner shall keep harmless the City from any loss or damage that may directly or indirectly be occasioned by the installation of the sewer.

(Ord. 17-97-0. Passed 7-14-97.)

915.04 INDEPENDENT BUILDING SEWERS; EXCEPTIONS.

   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 as determined by the Director, the building sewer from the front building may be extended to the rear building and the whole considered as one building.
(Ord. 17-97-0. Passed 7-14-97.)

915.05 USE OF OLD BUILDING SEWERS FOR NEW BUILDING.

   Old building sewers may be used in connection with new buildings only when they are found, on examination and test by the Director, to meet all the requirements of this chapter.

(Ord. 17-97-0. Passed 7-14-97.)

915.06 CONSTRUCTION MATERIAL REQUIREMENTS.

   Building sewers shall be constructed in accordance with the requirements of the latest edition of Celina Construction Standards. Building sewers shall be Type PSM polyvinyl chloride (PVC) pipe and fittings (ASTM D3034) having a wall thickness no less than SDR35 or Type I, Grade I (12454-B) PVC pipe (ASTM D1785) having a wall thickness no less than Schedule 40 or other materials approved by the Director. Any part of the building sewer that is located within ten feet of a service pipe shall be leak free. PVC pipe is required where the building sewer is exposed to damage by tree roots. If installed in filled or unstable ground, the building sewer shall be laid on a suitable concrete bed or cradle as approved by the Director.

(Ord. 17-97-0. Passed 7-14-97.)

915.07 SLOPE OF PIPES.

   The size and slope of each building sewer shall be subject to the approval of the Director, but in no event shall the diameter be less than four inches. The grade of such pipe shall be a minimum of one-fourth inch per lineal foot (2%) from the building to the public sewer; except that the Director may authorize the grade to be as little as one-eight inch per lineal foot (1%) if he determines such to be desirable or necessary. In no case shall a floor level being served by a building sewer be less than thirty-six inches (36") above the crown of the receiving sewer at the point of connection of the building sewer, unless otherwise approved by the Director.

(Ord. 17-9-0. Passed 7-14-97.)

915.08 DEPTH AND ALIGNMENT.

   No building sewer shall be laid parallel to within less than 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. Change in direction shall be made only with properly curved pipe and fittings.

(Ord. 17-97-0. Passed 7-14-97.)

915.09 BUILDING DRAINS.

   In all buildings in which any building drain is too low to permit gravity flow to the public sewer or when plumbing fixtures are located in a basement, sanitary sewage carried by such drain shall be lifted by approved artificial means and discharged to the building sewer.

(Ord. 17-97-0. Passed 7-14-97.)