A. Installation of approximately 770 LF of 12-inch diameter HDPE, PE4710, DR 11 welded water main pipe under the north fork of Lake Bloomington along the south side of PJ Keller Avenue. B. Installation of approximately 243 LF of 12-inch diameter Ductile Iron , Class 52 water main pipe to connect the new HDPE pipe to the City’s existing 10-inch cast iron water main pipe on each end of the lake crossing. C. Installation of two 60-inch access manholes at each end of the directional drilled water main for the installation of gate valves and pressure testing equipment. D. All necessary pipe fittings, excavation and fill, hydromulching and seeding, and pressure testing of the new water mains. Contractor to supply all material and labor. E. Contractor to abandon the existing 10-inch cast iron water main in place via filling the existing water main with controlled low-strength material (CLSM) to completely fill the void of the old pipe.
