Defense Special Weapons Agency, 6801 Telegraph Road, Alexandria, VA 22310-3398

A -- FORECASTING OF CATASTROPHIC CONSEQUENCES OF A TERRORIST NUCLEAR EXPLOSION IN AN UNDERGROUND COMPLEX POC Tanya Stasiuk, Negotiator, (703) 325-5029, Scott G. Morton, Contracting Officer, (703) 325-1200 This synopsis is FOR INFORMATION ONLY. No solicitation will be issued. The Defense Special Weapons Agency (DSWA) intends to award a sole source contract to the High Energy Density Center of the Russian Academy of Sciences (RAS) to obtain quantitative estimates of parameters of shock waves, gas flows, and failure zones generated by a nuclear explosion in an underground complex. Solution of this problem will require addressing the following issues: the initial stage of nuclear explosion; the propagation of high energy gas flows in tunnels with deformable and failurable walls; seismic shock generation and propagation in surrounding massif of geomaterials; and, shock wave propagation in systems of very long branching tunnels. The required tasks draw on the unique capabilities and possession of databases by the Russian Academy of Sciences. The numerical simulations to be carried out under this contract will be modeling Russian tunnel complexes, Russian construction materials, and Russian geologies. The HighEnergy Density Institute RAS is the only organization capable of performing the required analyses, as it has all of the analytic tools capable of predicting the hostile environments caused by a nuclear weapon detonation and has collected the pertinent experimental data relevant to the equations of state for various materials, response data, and hydrodynamic flow models. Contemplated period of performance is 9 months. All responsible sources must provide written documentation demonstrating identical or equal capability to perform the effort to Tanya Stasiuk, AMB, Defense Special Weapons Agency, 6801 Telegraph Road, Alexandria, VA 22310-3398. Faxes are acceptable to the attention of Tanya Stasiuk/AMB at fax number (703) 325-9295. See Note 22. Acquisition Management has added "Procurement Opportunities" to the DSWA Home Page available on the World Wide Web. Information will include this synopsis and more. Please check us out at www.dswa.mil. Reference Synopsis No. 98-119 (0168)

Loren Data Corp. http://www.ld.com (SYN# 0008 19980619\A-0008.SOL)