Conceptual Design Report [DRAFT]; Pit Reuse Facility, Pantex Plant, Authorization No. A56

[6], ii, [32], [2], 121, [36] pages. Illustrations (including fold-outs). Cover has slight wear and soiling. This was prepared for the U.S. Department of Energy, Amarillo Area Office, Amarillo, Texas. Mason & Hanger, a Day & Zimmermann Company, is dedicated to providing architectural and engineering services, specializing in the worldwide design of secure, mission-driven facilities, serving the United States Government for nearly two centuries. Title page contains a statement that this document contains commercial information and that the restrictions do not apply to any data or information in this report which is not commercial information or to information generally available to the public on an unrestricted basis. Since Mason & Hanger-Silas Mason Co., Inc. is no longer the Management and Operating Contractor for the Pantex Plant it has been deemed that there is no residual commercial information residing in a draft document over twenty years old. The proposed project consisted of the design and construction of additions and modifications to convert assembly bays 2, 4, 6, and 8 of Building 12-104 into a Pit Reuse Facility (PRF).[From Wikipedia]: The pit is the core of an implosion nuclear weapon. Presumed First Edition, First printing of DRAFT Conceptual Design Report.…