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!