brown field

de: brown field

Brown field is a term which describes opening up a new site for construction in an existing operating plant. Grass Roots construction projects will have inside battery limits (ISBL) costs, outside battery limits (OSBL) costs, and utilities, ancillaries, and off-sites (UA&O) costs. Normally, the UO&A costs will be less than for a "Green Field" construction site because boilers, cooling towers, etc., are already in place.


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