41 -- Centrifugal Fan System

Design and fabricate a soft-start, single speed, centrifugal fan system, consisting of three identical fans, isolation discharge dampers, remotely actuated inlet box flow control dampers or variable inlet guide vanes, and motors. The three fans shall be installed in parallel and deliver a total flow of 420 lb/sec at nominally 58 in-wg pressure rise. Motors shall be single speed, 3-phase, 60 Hz, Class F insulation, NEMA Design B. Motor starters shall be solid-state reduced voltage soft start. Available power is 6900 VAC, 3 phase, 60 Hz. Delivery shall be FOB Arnold AFB, TN. This is a re-solicitation of RFP FA9101-07-R-0002, which has been cancelled. A complete revised solicitation will be uploaded on this site in the near future. Hard copies of the solicitation will not be available and requests for such will be disregarded.