Wastewater Collection Phase 1 -Contract No. 4. The work of this contract includes furnishing and installing approx. 15,000 linear feet of eight-inch to 12-inch PVC gravity sewer pipe; 18,000 linear feet of two-inch to four-inch SDR-11 HDPE low pressure sewer pipe; 2,000 linear feet of HDPE force main; two submersible pumping stations; one suction lift pumping station, including manholes, sewer service connections and appurtenances; earthwork; dewatering and drainage; paving; restoration; and all miscellaneous work and cleanup as specified. Massachusetts Department of Transportation (MassDOT) prequalification of contractors with the class of work as, SEWER & WATER, for the project with an estimated value of $27,900,000 will be required.