Interim Design Assessment for the Blue Grass Chemical Agent Destruction Pilot Plant (2005) / Chapter Skim
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1 Introduction
1 Introduction
Pages 7-18
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From page 7... ...
In 1999, Con In August 2003, as mentioned above, at the Army's gress passed Public Laws 106-79 and 106-52 requiring request, the NRC formed this committee to assist in the the Army to consider all feasible technology alternaevaluation of the designs for full-scale chemical agent tives for destroying the chemical weapons at BGAD in destruction pilot plants at PCD and BGAD. Kentucky, where munitions containing both mustard This report contains the ACWA Design Com- and nerve agents are stored.
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Chemical neutralization-based technologies form the basis for destroying the agent and energetic materials associated with both stockpiles, along Involvement of the National Research Council in the with new or adapted processes for preparing weapons for disposal Assembled Chemical Weapons Alternatives Program and treating secondary waste streams generated during the primary neutralization processing step. These facilities differ from previously In response to the congressional guidance in 1997, constructed baseline incineration facilities and from those con structed for bulk chemical agent disposal.
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From page 9... ...
H is the only form of mustard agent stored at Blue Grass Army Depot. SOURCE: Based on data provided to the ACWA Design Committee by the Army and drawn from Abercrombie, 2003.
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. Although M55 The only projectiles stored at BGAD that have any rockets present the greatest storage risk at BGAD, the energetic materials are the 155-mm H-filled projectiles, risk of autoignition remains relatively low in compari- which have a tetrytol burster but no propellant.
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From page 11... ...
SOURCE: Bechtel Parsons Blue Grass Team response on March 3, 2005, to committee questions of Febru ary 12, 2005. of necessary activities from design through construc- temization, pilot testing, and demilitarization of GB tion, operations, and eventual decommissioning or clo- contained in rockets and projectiles.
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From page 12... ...
for the BGCAPP. It is based According to the initial design, and as depicted in on an initial design review held at Parsons in Pasadena, Figure 1-1, the pilot plant entails six major processing California, on August 2 and 3, 2004, and on presenta steps to disassemble projectiles and rockets and to tions to the committee at its September 22-24 and No destroy the chemical agents and energetic materials: vember 17-19, 2004, meetings.
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From page 13... ...
hydrolysis. The projectiles next proceed to the muni Offgas Treatment Systems 5There are no mortar rounds containing chemical agent stored at All process offgas streams flow through an offgas BGAD as there are at PCD.
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analysis of timing, quantities, and maintenance data for each step of a process. While the iGrafx package was used to develop process rates and buffer requirements Integrated Operation and Throughput Management for each step of the process, availability analyses done The various steps and associated hardware have been for various process steps and the plant itself leave many modeled in both a three-dimensional computer- questions unanswered.6 Train mechanical availability assisted drawing and design mode and by an iGrafx is the product of the assumed or measured mechanical Process 2003 modeling and simulation package for availability of the various directly coupled subsystems throughput analysis (Bechtel Parsons, 2004c)
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From page 15... ...
projected availabilities of the various steps, some based tinuous, integrated operational mode. Tables 1-5 and on operational data from the Johnston Atoll Chemical 1-6 indicate, respectively, overall train availability, inAgent Disposal System and Tooele Chemical Agent cluding facility shutdown, and average processing Disposal Facility and some based on subsystem com- rates, including train availability.
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From page 16... ...
However, because maintenance and adjust- tential environmental impacts of the following destrucment requirements cause facility processing time to be tion facility alternatives: a baseline incineration facilcurtailed to 40 percent during shakedown and ramp-up ity, a full-scale facility to pilot test an alternative periods, additional facility-wide shutdowns are not ex- technology successfully demonstrated by the ACWA pected later on, and the total facility availability is as- program, and no action (an alternative that would consumed to be 90 percent during these periods. tinue the storage of the chemical agent munitions at the Finally, overall availability is the product of the two BGAD)
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From page 17... ...
and a desire to increase the probability of meeting the The CAC is made up of nine members appointed extended Chemical Weapons Convention treaty de- by the governor of Kentucky. Seven are local citizens struction deadline, the Defense Acquisition Executive and two are representatives of state agencies that work directed the ACWA program to investigate ways to closely with the chemical weapons disposal program.
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From page 18... ...
Prior reports and documents are cited for the reader who may wish to have more detailed informa tion. Chapter 2 discusses the technical risk assessment ORGANIZATION OF THE REPORT and technical risk reduction program; Chapter 3, the de This chapter provides a concise background, de- livery and disassembly operations; Chapter 4, core proscribes the stockpile at BGAD, introduces the cesses for agent and energetics destruction; Chapter 5, committee's task and the contractor's design-build ap- treatment of hydrolysates and residual wastes; and Chapproach, gives a brief overview of the process and a ter 6, general design considerations for BGCAPP.
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