Renovation of a water / sewer project in Derry, New Hampshire. Completed plans call for the renovation of a water / sewer project.

The estimated construction cost is $80,000 to $90,000. The purpose of this bid invitation is to establish a contract with a company to replace the existing generators at the Towns WWTP Main Influent Sewer Pump Station. Questions regarding this request should be directed to Tim St. Gelais, Mechanical Electrical Technician via email at timstgelais@derrynh.org or by facsimile at (603) 432- 6757. The entire solicitation document is to be returned when submitting a proposal, unless otherwise directed by the solicitation document. Failure to return all pages may result in a determination that the submittal is non-responsive.It will be the responsibility of the Bidder to see that their bid is received by the Public Works Department as specified. No oral interpretations will be made to any Bidder as to the meaning of the specifications or terms and conditions of this Sealed Bid Invitation. Every request for such interpretation or request for change in the specifications or terms and conditions shall be made in writing, addressed and forwarded to: Mail: Thomas Carrier, Deputy Director of Public Works Derry Municipal Center 14 Manning Street Derry, NH 03038 Email: tomcarrier@derrynh.org Fax: (603) 432-6130 Attn: Thomas Carrier, Deputy Director of Public Works.Questions must be received by Tuesday February 2, 2021 at noon. Every interpretation made to a Bidder will be in the form of an addendum to the Sealed. The installation and commissioning of these generators must be completed no later than August 1, 2021. Contractors who, due to circumstances beyond their control, are not able to secure delivery of the generator in time to meet this deadline shall so state in their bid and provide an alternate completion date. The Town of Derry reserves the right to waive any irregularities, reject any or all bids, and to accept the bid that appears to be in the best interest of the Town. Failure to submit all information called for may be sufficient for disqualification Derry WWTP Main Influent Sewer Pump Station, 1 Transfer Lane Derry, NH o Replace the existing 155 kW generator with one (1) 275 kW 277/480V, 3-phase, diesel Kohler #275REOZJE generator (or equivalent), incl. one (1) 400 amp Line Breaker. Rework existing generator pad and U. G. conduits / conductors for new generator as required. o New Generator to include 472 gallon sub base fuel tank with inner tank alarm. o Provide new conduits and associated wiring as needed for 400A fed from generator to existing automatic transfer switch unit. o Provide minimum of one (1) year manufacturer's Warranty. o Provide battery charger and block heater for new generator including new conduits and associated wiring from existing power panel. o Provide minimum 200 kW temporary power during generator changeout capable of running the existing two (2) 100 HP pumps at full capacity. o Provide rigging / placement for removal of existing generator and install of new generator. The old generator will be retained by the Town. o Provide local emergency and remote emergency stop buttons. (Prime mover shutdowns) o Provide rework for annunciator with associated conduit / wiring at interior location to be determined by owner. o Full tank of fuel and fuel connection to existing exterior fuel tank Provide rework of existing sheet metal/ductwork for new generator as needed. o Include generator exhaust flex connector and muffler. Provide additional throughwall/roof flange and exhaust piping for new generator. o Include permits / inspections. (Permit fees will be waived) o Include start-up / System Testing / Load Bank Testing / Owner training. Load bank test shall be min. 80% load for 2 hours.