Interim Design Assessment for the Blue Grass Chemical Agent Destruction Pilot Plant (2005) / Chapter Skim
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2 Technical Risk Assessment Issues
2 Technical Risk Assessment Issues
Pages 19-25
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From page 19... ...
The SSMP is separate from set of unit operations that would best meet requirements the technical risk assessment, which is focused on for the Blue Grass Chemical Agent Destruction Pilot obtaining the best possible design using the selected Plant (BGCAPP)
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From page 20... ...
The status of ongoing and com The IPT identified 89 technical risks relating to ma- pleted TRRPs as of February 15, 2005, is shown in jor unit operations. All risks were ranked on the basis Table 2-2.3 of the risk weight expected after implementing proposed mitigation activities, because the IPT believed 1 that this approach "would allow assessment of com- The acronym TRRP has been used in various contexts to refer to either the overall technical risk reduction program that resulted pound risks as well as monitoring of implementation of from the technical risk assessment results, or (with a designation the proposed risk mitigation measures" (Bechtel Par number, e.g., TRRP 7)
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From page 21... ...
2a GB Neutralization Verify process design assumptions and Analytical methods are being developed for Analytical Methods validate the method detection limit (MDL)
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From page 22... ...
Depot tests of the ERH/EBH, perform tests EBH with hydrolysate at pH values of 5.5 and 7.3 to confirm the method for filtering aluminum resulted in aluminum concentrations in the filtrate hydroxide precipitate from the hydrolysate greater than 400 ppm (the maximum acceptable feed to SCWO units. General Atomics value to avoid SCWO reactor plugging as performed aluminum filtration tests with a observed during previous PMACWA SCWO belt filter press at a vendor's facility using tests)
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From page 23... ...
, the Bechtel Parsons Blue Grass Team considers such high corrosion rates tolerable, and vessels can be fabricated with appropriate corrosion allowance. Teflon-lined stainless steel vessels were considered and were the most cost effective but were dismissed as they would generate fluorinated hydrocarbons when heated in the MPT during closure.
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From page 24... ...
NOTE: EBH, energetics batch hydrolyzer; ECR, explosion containment room; ERH, energetics rotary hydrolyzer; HDC, heated discharge conveyor; LPMD, linear projectile/mortar disassembly (machine) ; MDL, method destruction limit; MPT, metal parts treater; MWS, munitions washout system; PCAPP, Pueblo Chemical Agent Destruction Pilot Plant; PMACWA, Program Manager, Assembled Chemical Weapons Alternatives; PMD, projectile/mortar disassembly; RSM, rocket shear machine; and SCWO, supercritical water oxidation.
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From page 25... ...
There was no participation by rep- tified to date, the Bechtel Parsons Blue Grass Team has resentatives of the general public in the vicinity of the appropriately determined the main technical roadBlue Grass site. blocks requiring further study as technical risk reduc tion projects (TRRPs)
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