Commandant (G-CAS-4), U.S. Coast Guard Headquarters, 2100 Second Street, NW, Washington, DC 20593-0001

B -- SPECIAL STUDIES AND ANALYSES SOL DTCG23-97-Q-02143 DUE 092097 POC Petty Officer Steve Schroter phone 202 267 1791 fax 202 267 4727 The U.S. Coast Guard's Engineered Marine Safety Assessment (EMSA system, within the Marine tonnage (DWT) can safely conduct a ballast water exchange (BWE) at sea. Elements to be considered in this analysis include loss of or reduction in stability, violation of intact and damaged stability, requirements, and exceeding maximum allowable stresses. Determining the maximum sea conditions under which each ship size can safely perform a BWE is also part of the objective. Please respond by fax, and not phone. (0248)

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