Site work and renovation of a civil project in Franklin, New Hampshire. Completed plans call for the renovation of a water / sewer project; and for site work for a water / sewer project.

The interior and exterior metalwork of the cover, the exposed portion of the concrete tank on Secondary Digester #1, and the gas piping shall be re-coated. The floating digester cover is approximately sixty (60) feet in diameter with a very gentle sloping rise to the center gas collection dome. There is a metal skirt approximately ten (10) feet high that is continuous around the perimeter of the cover. The cylindrical gas collection dome which is 6.25 feet in diameter and approximately 4 feet high is located in the center of the cover. The underside of the cover has a system of support trusses numbering twelve (12) that extend radially from the center to the outside edge of the cover and down along the skirt wall of the cover. Each truss is approximately twenty-seven (27) feet long by six (6) feet high and made of angle iron with an I-Beam running top to bottom on the skirt wall. There are approximately ten (10) flapper valves to be re-coated, each approximately eight (8) inches in diameter, evenly distributed around the inside of the concrete tank wall. The digester contents will be dewatered and then the tank emptied and cleaned under a separate contract with a completion date of no later than May 16, 2025. The digester cover interior and exterior metalwork, exposed piping, and exposed concrete tank will be available for coating, provided plant process and weather conditions are favorable, by May 16, 2025. The re-coating of the metalwork, piping and concrete must be started before June 30, 2025 and completed no later than July 15, 2025. Inquiries regarding this request for proposals should be directed to the Chief Operator Mark Corliss at 603-934- 9926 mark.a.corliss@des.nh.gov or the Assistant Chief Operator Sam Wood at 603-934-9925 samuel.n.wood@des.nh.gov at the treatment plant between the hours of 7:00 AM and 3:15 PM Monday through Friday The WRBP reserves the right to determine what constitutes a conforming proposal; to determine if a firm or individual is qualified; to waive irregularities that it considers not material to the proposal; and award the contract solely as it deems to be in the best interest of the State.