Review of accident analysis calculations, 232-Z seismic scenario

Technical Report · Sat May 01 04:00:00 EDT 1993

DOI:https://doi.org/10.2172/6759968· OSTI ID:6759968

Ballinger, M Y

The 232-Z Building houses what was previously the incinerator facility, which is no longer in service. It is constructed out of concrete blocks and is approximately 37 ft wide by 57 ft long. The building has a single story over the process areas and two stories over the service areas at the north end of the building. The respective roofs are 15 ft and 19 ft above grade and consist of concrete over a metal decking, with insulation and a built-up asphalt gravel covering. This facility is assumed to collapse in the seismic event evaluated in the safety analyses, resulting in the release of a portion of the residual plutonium inventory remaining in the building. The seismic scenario for 232-Z assumes that the block concrete walls collapse, allowing the roof to fall, crushing the contaminated duct and gloveboxes within. This paper is a review of the scenario and methods used to calculate the source term from the seismic event as presented in the Plutonium Finishing Plant Final Safety Analysis Report (WHC 1991) also referred to as the PFP FSAR. Alternate methods of estimating the source term are presented. The calculation of source terms based on the mechanisms of release expected in worst-case scenario is recommended.

• Research Organization: Pacific Northwest Lab., Richland, WA (United States)
• Sponsoring Organization: DOE; USDOE, Washington, DC (United States)
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 6759968
• Report Number(s): PNL-8652; ON: DE93014184
• Country of Publication: United States
• Language: English

Related Subjects

054000* -- Nuclear Fuels-- Health & Safety
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
560180 -- Radiation Protection Procedures-- (1992-)
61 RADIATION PROTECTION AND DOSIMETRY
ACTINIDES
BUILDINGS
DUCTS
ELEMENTS
ENVIRONMENTAL TRANSPORT
EQUIPMENT
GLOVEBOXES
HAZARDS
HEALTH HAZARDS
LABORATORY EQUIPMENT
MASS TRANSFER
METALS
PLUTONIUM
POWDERS
RADIATION HAZARDS
SAFETY ANALYSIS
SEISMIC EFFECTS
TRANSURANIUM ELEMENTS