Safety basis for the 241-AN-107 mixer pump installation and caustic addition

Technical Report · Wed Oct 05 04:00:00 EDT 1994

DOI:https://doi.org/10.2172/10192397· OSTI ID:10192397

Van Vleet, R J ^[1]

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1. Westinghouse Hanford Co., Richland, WA (United States)

This safety Basis was prepared to determine whether or not the proposed activities of installing a 76 HP jet mixer pump and the addition of approximately 50,000 gallons of 19 M (50:50 wt %) aqueous caustic are within the safety envelope as described by Tank Farms (chapter six of WHC-SD-WM-ISB-001, Rev. 0). The safety basis covers the components, structures and systems for the caustic addition and mixer pump installation. These include: installation of the mixer pump and monitoring equipment; operation of the mixer pump, process monitoring equipment and caustic addition; the pump stand, caustic addition skid, the electrical skid, the video camera system and the two densitometers. Also covered is the removal and decontamination of the mixer pump and process monitoring system. Authority for this safety basis is WHC-IP-0842 (Waste Tank Administration). Section 15.9, Rev. 2 (Unreviewed Safety Questions) of WHC-IP-0842 requires that an evaluation be performed for all physical modifications.

• Research Organization: Westinghouse Hanford Co., Richland, WA (United States); Wastren, Inc., Idaho Falls, ID (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC06-87RL10930
• OSTI ID: 10192397
• Report Number(s): WHC-SD-WM-HIE--003; ON: DE95002281; BR: 35AF11201/35AF11202
• Country of Publication: United States
• Language: English

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