Station Fire Island Exhaust Fan Statement of Work

Station Fire Island Attic Exhaust Fan Replacement
SCOPE OF WORKMulti Mission Building | USCG Sector Long Island Sound

1 General

The Contractor shall provide all labor, materials, equipment, supervision, transportation, removal, installation, and testing necessary to replace four attic exhaust fans and associated controls at Station Fire Island. Restore the existing attic ventilation function using standard equipment installation methods, existing louvered penthouses, existing openings, and existing branch circuits. Building footprint, use, and ventilation arrangement shall remain unchanged.

2 Site Visit and Coordination

A site visit is highly encouraged before submitting an offer. Verify equipment locations, access, duct connections, available power, mounting conditions, and removal requirements. Coordinate all visits, outages, and work with the COR and unit Engineering Petty Officer (EPO): Kyle Turcott, MKC 1 Rescue Rd Babylon, NY 11702 1 (510) 437-3288 [email protected] Work hours are Monday through Friday, 0800–1500, excluding federal holidays, unless otherwise authorized. The building will remain occupied; maintain safe access and minimize disruption.

3 Removal and Equipment Installation

Remove the four existing fans, motor-operated dampers, and obsolete controls and accessories at the replacement locations, to the extent present. Remove only wiring and conduit no longer required. Dispose of removed materials off Government property in accordance with applicable requirements. Provide four new inline centrifugal cabinet exhaust fans, identified as AEF-1 through AEF-4, Loren Cook Gemini GN-500 with Vari-Flow EC motor or equal. Each fan shall provide at least 500 CFM at 0.10 inch water gauge external static pressure, operate on 115 volts, single phase, 60 Hz, and include an adjustable EC motor with thermal overload protection, galvanized steel cabinet with 1/2-inch acoustic lining, dynamically balanced forward-curved wheel, and integral outlet backdraft damper. Provide UL 705 listing and AMCA-certified air and sound performance under Standards 211 and 311. Reference dimensions are approximately 17 inches wide by 12 inches long by 8 inches high, with nominal 8-by-6-inch duct connections; reference input is approximately 180 watts and 2.1 amps. Verify actual manufacturer dimensions, electrical load, and fit before procurement. Maintain accessible clearances for maintenance through existing attic access. Suspend fans from suitable existing framing using threaded rods, manufacturer-approved attachments, and vibration isolators. Provide minor duct transitions, sealed connections, hangers, and fasteners necessary to connect to the existing louvered penthouses. Preserve existing roof openings, curbs, flashing, and penthouses. Repair incidental damage caused by the work and maintain weather-tight conditions.