Bechtel National, Inc., P.O. Box 193965 - 45/27/D24, San Francisco, CA 94119-3695

36 -- CARBON MIRCRONIZATION SYSTEM Contact, Dale Jose, 415/768-2109, Procurement Representative. Carbon Micronization System: Bechtel National Inc., acting as agent for the U.S. Army Corps of Engineers for the Chemical Stockpile Disposal Program (CSDP), is seeking sources with the proven capability to provide major equipment of a Carbon Micronization System consisting of: (a) storage and feed system, (b) micronization mill-capable of processing virgin and/or contaminated carbon, Hardgrove Index of 25, at the rate of 100 to 500 pounds per hour and yielding a particle size distribution equivalent to 200 to 325 mesh; operate in a negative pressure environment to prevent any contaminated carbon from escaping into the room; and meet NFPA 8503 standards for fire safety, (c) booster fan, (d) transport pipe between mill and burner-the micronized carbon will be transported through the transport pipe to the burner using carrier air provided by the booster fan, (e) micronized burner-suitable for firing the micronized carbon and natural gas, or only natural gas; will be mounted to an existing rotary kiln; burner rating for the first system will be approximately 4 MM Btu/hr; burner rating for six (6) optional systems will be approximately 8 MM Btu/hr, (f) control system, and (g) air preheater and decon air blower-auxiliary equipment required for agent decontamination of the transport pipe and burner; the air preheater shall be rated for 800 scfm air at 0 degrees F to be heated to 400 degrees F; and the air preheater shall either be electric or gas. Those interested must submit written qualifications, 10 pages maximum, by May 8, 1996 and address the following: (1) identify your desire to submit a proposal, (2) list and identify previous experience with Carbon Micronization Systems, to include design flow rates, (3) identify unique design requirements and/or constraints from previous experience, (4) identify unique design features in the equipment you manufacture, (5) do you have, or have access to, a commercially available micronization mill that can meet all of the above criteria? If mill is not your own, who is the supplier? In either case, indicate model number, (6) do you have, or have access to, a commercially available solid-fuels burner that can meet all of the above criteria? If burner is not your own, who is the supplier? In either case, indicate model number, (7) provide explanation for any criteria that cannot be satisfied, with a description of alternative solutions, (8) do you have any combustion experience with activated carbon having similar fuel composition variables as indicated above, (9) list and identify location of at least three sites that commercially utilize your micronization mill, which have been installed in the past three years and operate on carbonaceous solid fuel(s) in a combustion application; indicate rated capacity of systems and corresponding type of fuels utilized; and indicate contact name and phone number of each user, (10) and identify location of at least three sites that commercially utilize your burner, which have been installed in the past three years and operate on carbonaceous solid fuel(s) in a combustion application; indicate capacity of burners and corresponding type of fuels utilized; and indicate contact name and phone number of each user, and (11) do you have access to a combustion test facility that could be utilized to: (i) provide proof of concept tests and equipment system shakedown prior to installation, and (ii) test-fire various samples of activated carbon to verify combustion efficiencies and monitor? if so, where is it located? NOTE: Responses which do not address the above questions will not be considered. Responses should be addressed to Bechtel National, Inc., Attn: Dale Jose, P.O.Box 19365 - M/S 45/27/D24, San Francisco, CA 94119-3965. (116)

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