This quarterly technical progress report summarizes the work completed during the fourth ID quarter, October 1 through December 31, 1996, under the Department of Energy (DOE) Cooperative Agreement No. DE-FC21-90MC25140 entitled {open_quotes}Hot Gas Cleanup Test Facility for ID Gasification and Pressurized Combustion.{close_quotes} The objective of this project, herein referred to as the Power Systems Development Facility (PSDF), is to evaluate hot gas particle control technologies Using coal-derived gas streams. This project entails the design, construction, installation, and use of a flexible test facility which can operate under realistic Gasification and combustion conditions. The major particulate control device (PCD) issues to be addressed include the integration of the PCDs into coal utilization systems, on-line cleaning techniques, chemical and thermal degradation of components, fatigue or structural failures, blinding, collection efficiency as a function of particle size, and scale-up of particulate control systems to commercial size. During this quarter considerable effort was expended in finalizing drawings and technical information for bid packages in support of the Request for Quotation (RFQ) for the fixed-price construction of the Foster Wheeler train. The packages were finalized and released for bids from seven companies at the beginning of November. A prebid meeting as held in mid-November when representatives from the interested companies toured the site and sought clarification on certain issues. Six bids were received by the end of December. Discussions were also held with a number of labor brokers to provide construction Support. Their bids are being evaluated in conjunction with those for the RFQ.