SCH Controls Readiness Review: Site

2015

SCH Controls Readiness Review: Site

UNIQUE HAZARDS:• Significant fields in adjoining magnet cells• Magnetic field is larger than a normal magnet

cell• Platform is much taller• Cryogens, Quench

SCH Controls Readiness Review: Site

Magnetic FieldsHAZARDS:• Significant fields in adjoining

cells• Personnel access to very high

fields under magnet

POSSIBLE CONTROLS:• Tape on floor in adjacent cells• Light or field indicator in other

cells• Tape on floor, user training in

SCH cell.• Restricted access under shield

SCH Controls Readiness Review: Site

Electrical ShockHAZARDS:• Exposed magnet power cable & bus

connections on hydrant• Exposed electrical components on

rear electrical platform

POSSIBLE CONTROLS:• Stab / switch covers• Restricted access behind magnet• LO/TO for maintenance

SCH Controls Readiness Review: Site

FallHAZARDS:• 12’ tall platform• Access gate• Lifting items onto platform• Carrying items up stairs

POSSIBLE CONTROLS:• Caution square on floor next to gate

w signage• Harness area at gate• Lock on the gate.• Normal OSHA handrails

SCH Controls Readiness Review: SiteMaterial Handling

Magnet Coils 6’Research Dewar > 7’ProbesHAZARDS:• Tripping while going up stairs• Falling items when hoisting up to

platform• Falls with gate open.POSSIBLE CONTROLS:• Use crane to lift coils, probes

• Crane training• User Support Assistance

• Small pass through in handrail for probes.

SCH Controls Readiness Review: Site

ODHHAZARDS:• Nitrogen slow leak• Nitrogen fast release• Helium fast release – Quench vent

CONTROLS:• All N2 vents piped to outside• O2 sensor at rear of cell for N2• Vented helium stored in ceiling area:

• He stored volume: 70 liquid liters• Flow shutdown interlocks• 200 liquid liters = 5280 SCUFT• Open Ceiling area = 5900 SQFT.

Thank You!