U.S. Army Materiel Command, Natick Contracting Division, Attn: AMSSB-ACN, Natick, MA 01760-5011

J -- UPGRADE CONTROLS FOR CHAMBERS 322A AND 322C SOL Upgrade controls for Chambers 322A and 322C DUE 121499 POC Sandra Shoff (508)233-4126 WEB: Upgrade controls for Chambers 322A and 322C, http://www3.natick.army.mil. E-MAIL: Upgrade controls for Chambers 322A and 322C, Sshoff@natick-amed02.army.mil. The U.S. Army Soldier and Biological Chemical Command intends to conduct negotiations with and award a contract to Dussalt Mechanical Services, One Security Drive, Hudson, NH, on a basis of other than full and open competition reference FAR 6.302-1(a) for upgrade controls for Chambers 322A and 322C to include the following: remove the existing controllers, relays and wiring, upgrade the R/H control to dew point method to include new chilled mirror systems for each chamber, modify and rewire all new components, install two new fuzzy logic electronic controllers and associated components to operate chamber conditions, install RS232/RJ485 access connections, interface new controls to the existing mechanical equipment, startup test and one year warranty, for training class for users. Dussalt Mechanical Services has completed phase one of the upgrade and their engineering design incorporates proprietary HVAC and microprocessor systems. Dussault's familiarity with the engineering design, hardware components,and system intergration issues constitutes an essential expertise for accomplishing this highly technical task in a timely and cost effective manner. The selection of Dussault Mechanical Services for the work of replacing the controllers and components to allow compatibility with the new coils and condensers will provide best value to the government. No solicitation document is available. See Note 22. Note 22 is hereby amended to read 15 days instead of 45 days. Posted 11/24/99 (W-SN403326). (0328)

Loren Data Corp. http://www.ld.com (SYN# 0037 19991129\J-0006.SOL)