(A) No building service sewer shall be laid parallel to or within three feet of any bearing wall which might thereby be weakened, whenever possible the building service sewer shall be brought to the building at an elevation below the basement floor.
(B) The building service sewer shall be laid at a depth which will afford protection from frost.
(C) The building service sewer shall be laid at uniform grade and in straight alignment insofar as possible. Changes in direction with respect to the building service sewer shall be made only with properly curved pipe and fittings.
(2005 Code, § 102.14)