U.S. Army Engineer District, Chicago, Corps of Engineers, 111 North Canal Street, Chicago, Illinois 60606-7206

B -- HYDRAULIC SERVICES FOR MODIFICATION OF MATHEMATICAL COMPUTER MODEL SOL DACW23-95-R-0025 DUE 102695 POC Contact Donald Grskovich, 312/886-3034 This procurement consists of Indefinite Delivery Contract for services, non-personal, for Hydraulic Services within the Chicago District, US Army Corps of Engineers, Sol No DACW23-95-R-0025 due 10/26/95. It is anticipated one contract will beawarded as a result of this announcement for a period of one year with one option year period. Work will be accomplished by issuance of individual delivery orders under an Indefinite Delivery Contract with a minimum of $2,000.00 and a maximum of$100,000.00 in any one year period. Non-personal services are required for use and modification of mathematical computer model previously developed for the Chicago District, The MXTRANS mixed transient unsteady flow model. The mixed transient flowmodel (MXTRANS) was developed by Dr. Charles Song. The Chicago District intends to sole source with Dr. Charles C.S. Song in accordance with FAR 6.302-1. As the developer, Dr. Song possesses the unique qualification to make modifications to thismodel. The SIC code for this solicitation is 7371. See Note 22.(0250)

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