Slide 1

Beam for SeaQuest/E-906

Michael Geelhoed1

G2 to NM1 Bermpipe

Red: Berm PipeYellow: G2 Vac pump St.Blue: G2 EnclosureGreen: Bermpipe FlangeVacuum IssueFeb 1stMarch 1stApril 1stMay 1stJune 1stMichael Geelhoed 2/20/122

Bermpipe SolutionSleeve the BermpipeG2 EnclosureNM1 EnclosureMichael Geelhoed 2/20/12

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G2 to NM1 Bermpipe

Michael Geelhoed 2/20/12Bermpipe monitoring port N01 upstream4

G2 to NM1 Bermpipe

Michael Geelhoed 2/20/12Bermpipe grout 5

Grout in the BermpipeG2 EnclosureNM1 EnclosureG2 to NM1 Bermpipe6

G2 to NM1 Bermpipe

Michael Geelhoed 2/20/12Grout removal in Bermpipe7

G2 to NM1 Bermpipe

Michael Geelhoed 2/20/12Grout Removal techniques8

Getting beam through the BermpipeG2 EnclosureNM1 EnclosureG2 to NM1 Bermpipe9

G2 to NM1 BermpipeMichael Geelhoed 2/20/12 Helium filled Berm pipe is the plan Upon testing leak rate at positive pressure there was no leak. Tried pumping down with pumps and bad O rings = 1.3 Torr Pump down with good O rings < 1 Torr Helium filled Berm pipe is now the back-up plan Current plan is to run with < 1 Torr vac berm pipeTwo options for the Bermpipe medium

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PaperworkMichael Geelhoed 2/20/12 Shielding Assessment in the hands of the SA Committee Will take until Tuesday 2/21/12 to review SA SAD has gone through the SAD Committee Once both documents are approved & signed AD Division Head approves & signs ES&H Division Head approves & signs DOE local office approves & signsMy understanding of the process*11

Finishing touchesMichael Geelhoed 2/20/12 ESS Interlock testing of entire NM beamline enclosures (complete) Interlock testing of Radiation monitors (complete) Operating/Safety/ Warning limits calculated AD Division Department Heads approvals & signatures AD RSO approval & signature AD Division Head approval & signature12