Maximum mass in canister [7.1.1] unit is 3.1 kg. (An Operators trained extra 20% was on procedures and modeled for NDA postings uncertainty.) Analysis neither Absorber N/A N/A relies on nor uses absorbers N/A Process uses cylinders with Geometry H/D = 0.92 N/A H/D=0.92 Purchasing procedures specify canister dimensions [7.1.1] Procedure limits Interaction Single canister Extra canister carrier to one canister [7.1.2] Operators trained on procedures Process does not Concentration N/A N/A involve solutions N/A Procedure requires that containers be Moderation 65% polyethylene by N/A closed and locked volume limiting matrix Canister flooded Purchasing specifications require water-tight containers Worst possible Enrichment N/A N/A enrichment (100% Pu-239) assumed N/A Building procedures Canister on floor in Canister fully require sprinkler Reflection the corner of the reflected by sprinkler system room, surrounded by water. maintenance to of assure proper 12” thick slabs water to represent operation nearby Sign-off personel..against a maintenance sheet surface or corner of kept on sprinkler the room system [NOTE from professor: The student should have made it clearer that “held” meant operator hands were around the canister.] Purchasing rules
Maximum mass in unit is 3.1 kg. (An extra 20% was modeled for NDA uncertainty.) canister [7.1.1] Operators trained on procedures and postings Absorber N/A N/A Analysis neither relies on nor uses absorbers N/A Geometry H/D = 0.92 N/A Process uses cylinders with H/D=0.92 Purchasing procedures specify canister dimensions [7.1.1] Interaction Single canister Extra canister Procedure limits carrier to one canister [7.1.2] Operators trained on procedures Concentration N/A N/A Process does not involve solutions N/A Moderation 65% polyethylene by volume limiting matrix N/A Canister flooded Procedure requires that containers be closed and locked Purchasing specifications require water-tight containers Enrichment N/A N/A Worst possible enrichment (100% Pu-239) assumed N/A Reflection Canister on floor in the corner of the room, surrounded by 12” thick slabs of water to represent nearby personel..against a surface or corner of the room [NOTE from professor: The student should have made it clearer that “held” meant operator hands were around the canister.] Canister fully reflected by sprinkler water. Building procedures require sprinkler system maintenance to assure proper operation Sign-off maintenance sheet kept on sprinkler system Purchasing rules
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