EBIS Accelerator Readiness Review Hazards and Controls for Pressure Systems May 4-7, 2010 1.

EBIS Accelerator Readiness Review

Hazards and Controls

for Pressure Systems

May 4-7, 2010

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Pressurized Systems

• Cryogenic Systems

Superconducting Solenoid Magnet System (SSMS)

• Cooling Water Systems– NSRL Power Supply DI Water System– Booster Magnet Water System– Mini-chillers for RF Cavity Cooling

• Compressed Air/Gas– Utility Compressed Air for Instrumentation/Valves– Vacuum System Bleed-up– SF6 for RF Coax/Circulators

EBIS Accelerator Readiness Review – May/2010

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Cryogenic Systems - SSMS

EBIS Accelerator Readiness Review – May/2010

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Cryogenic Systems - SSMS

EBIS Accelerator Readiness Review – May/2010

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Cryogenic Systems - SSMS

• Is the magnet system safely designed?

(Review by the LESHC)

• Is the installation safe and will it be safely operated?

(Review by ASSRC)

EBIS Accelerator Readiness Review – May/2010

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Cryogenic Systems – SSMS ODH Calculation

EBIS Accelerator Readiness Review – May/2010

SSMS

O2 % is calculated to be 18.3% after He release. ODH Class is unclassified.

Helium Gas Vented to Outside

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EBIS Accelerator Readiness Review – May/2010

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Cryogenic Systems – SSMS Relief Devices and Venting to Outside

View A

BD 490 mB

RV 350 mB

RV Vent 100 mB

Vacuum Vessel BD 450 mB

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EBIS Accelerator Readiness Review – May/2010

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Cryogenic Systems – SSMS Relief Devices and Venting to Outside

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Cryogenic Systems – SSMS and ASME Equivalency LESHC

• ASME Equivalency Ruling on SSMS by LESHC for Design, Manufacture, and Inspection Requirements– LESHC Review of Pre-Manufactured Design – 8 June

2006 with manufacturer ACCEL (now BASC)– LESHC Meeting - 2 February 2009 – ASME Equivalency is

granted upon resolution of Actions Items.

EBIS Accelerator Readiness Review – May/2010

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Cooling Water Systems – DI Water

EBIS Accelerator Readiness Review – May/2010

Code: ANSI/ASME B31.9Materials: Copper, Type L SST304

Water Expansion Tank Interlock: Pump Shut-down~25 gallon loss. Alarm at ~16 gallons loss.

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Cooling Water Systems – Magnet Water and RF Cavity Water

EBIS Accelerator Readiness Review – May/2010

Code: ANSI/ASME B31.9Materials: Copper, Type L

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Cooling Water Systems – Magnet Water and RF Cavity Water

EBIS Accelerator Readiness Review – May/2010

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HP Gas Bleed-up to Vacuum Systems

EBIS Accelerator Readiness Review – May/2010

Typical RV – Circle Seal L500 with Viton seals

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SF6 for RF Coax and Circulators

EBIS Accelerator Readiness Review – May/2010

Typical RV – Circle Seal L559 with Buna-N seals