(a) Sanitary sewer service connections may be constructed under paved portions of the public roadway by one of the following methods, other than open trenching:
(1) By directional drilling or auger boring and continuous jacking of small diameter steel casing (twelve inches minimum diameter); or
(2) By directional drilling or auger boring without casing (twelve inches maximum diameter) and subsequent service connection insertion by approved means.
(3) By directional drilling or auger boring and continuous jacking of small diameter “Certainteed CertaFlo Greeline” PVC restrained joint piping system (twelve inches minimum diameter) or preapproved equal meeting all performance requirements of ASTM D2241. The applicant shall submit the necessary product specifications at the time of the permit application submittal.
(b) Regardless of which method is employed, other than open cut, backfill shall be accomplished by the flushing with water of fine sand into the void around the service connection pipe, between the connection pipe outer wall and the casing or boring hole wall. The work of jointing and inserting the service connection pipe and the flushed sand backfill operation shall be done only in the presence of the City Engineer or his or her duly authorized representative.
(Ord. 09-119. Passed 11-17-09; Ord. 10-11. Passed 1-19-10; Ord. 11-73. Passed 6-21-11.)