Site work for a water / sewer project in Somerville, Massachusetts. Working plans call for site work for a water / sewer project.

The City of Somerville has determined that cancellation of this bid process serves the best interests of the City. DPW Boiler 1 Condensate Return Line Replacement. Install a condensate receiver tank and above ground return line to the makeup water feed tank inside the boiler room. Questions are due: 05/08/24 by 2PM EST Questions concerning this solicitation must be delivered in writing to: Sonia Castro Procurement Manager Somerville City Hall Procurement & Contracting Services Department 93 Highland Avenue Somerville, MA 02143 Or emailed to: scastro@somervillema.gov Or faxed to: 617-625-1344 When submitting questions, please reference IFB 24-72 in the subject line The City of Somerville Department of Public Works is accepting proposals for labor and equipment/materials required to abandon a 71-year-old leaking indoor under-slab boiler condensate line and bypass it with a condensate receiver tank (CRT) and new above ground return line from the CRT back to the makeup water feed tank inside the DPW Administration Building boiler room. The information contained in the accompanying drawings, in addition to the pipe run lengths indicated in the scope below are approximations. Contractor to field verify lengths, fitting counts, and locations. A pre-bid project walk for prospective bidders on this project is strongly suggested, but not mandatory. Scope of Work o Cut existing 2.5" steel condensate return line inside the Highway Department garage space. o Disconnect existing Hoffman simplex CRT (this is a new CRT) in its current boiler room location and install it with new vent and overflow lines inside the garage space. Connect tank to existing 2.5" return line for upstream unit heaters. o Abandon-in-place approximately 120' of remaining 2.5" return line that is downstream of the new CRT. o Install approximately 120' of 1" pipe and fittings line from CRT discharge port through garage and interior spaces to common basement-office wall. o Demolish and replace approximately 80' of existing 3" return pipe inside office space (including multiple tie-ins from existing upper floor returns), through under-stair sleeve and into boiler room. o Demolish and replace approximately 50' of 2" pipe, fittings and multiple overhead tie-ins inside the boiler room, from the 3" return line inside the boiler room to the boiler's makeup water feed tank. Reinstall existing 2" FT&T on the 2" line. Connect 2" line to boiler makeup water feed tank. o Connect CRT to motor starter (circuit, wiring, service disconnect, and motor starter supplied/installed by others) and start/test CRT. o Start and run boiler system to test new piping/fittings to ensure that system is leak-free. o Remove and properly dispose of all demolished materials and generated refuse off-site. o Obtain Somerville Fire Department hot work permit if welding is required on system. o Obtain all permits and inspections required by the City of Somerville Inspectional Services Department. o 1 year warranty on all parts and labor. Assumptions o Contractor will have unfettered access to work areas. o Interior finishes will be removed and reinstalled by others. Contractor is not responsible for office interior demolition or reconstruction. o Asbestos abatement will be performed by others before the project start date. o Work is to be done during normal working hours (07:00 a.m.-3:30 p.m.), Monday-Friday. o Threaded fittings should be used wherever possible. MegaPress fittings properly rated for steam applications are acceptable for use if needed. o Electrical circuit, wiring and service disconnect switch will be installed by others. Contractor is responsible for connecting CRT pump motor to service disconnect switch. o Contractor is not responsible for insulating any of the condensate return piping