Time / Date: 2/2/2024 17:04:27
JSP ID: 2178
Scope of Work: TC repair - moving Bend magnet SR2C B1
Work Order:
Building: 6
Person in Charge: Esteban Andrade
Lead / Supervisor: Bashaw, Doug
Logged Email: estebanandrade@lbl.gov
Division: ALS
QEW Level: QEW 2
Modes of Work: Mode 0 - Electrically Safe Work Condition, Mode 1 - LOTO & Zero Voltage Verification
Second Person Requirement: Standby Person
Second Person Identified: David Fowler
List Other Participants:
Affected Persons Notified: Yes
Switching: Hazardous Switching
Panel / Equipment ID: SR2C B1
System Information Review: Arc Flash Labels
Control of Hazardous Energy: Complex LOTO w/ RI
Equipment Condition: Properly installed, Properly maintained, All doors and covers closed and fully latched, No signs of impending failure, Not energizing equipment for the first time, or after electrical repair

Sequence of Job Steps

List basic sequence of steps from start to finish.

Switch SR02 main Gradient PS is on the OFF position and LOTO. Switch S030917 CB11 to the OFF position and LOTO ZVV at the SR2C B1 magnet

Control of Work Area

Minimum Approach Boundary: 42
Barricade Tape / Attendant: Warning - Orange

Shock Risk Assessment

System Voltage: 750VDC
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 12 inches
Will the hands enter the RAB: Yes
Voltage Glove Class: 00
Will any other part of the body enter the RAB: No

Arc Flash Risk Assessment

Incident Energy: 8 cal/cm2
Arc Flash Boundary: 62 in
Working Distance: 18 inches
Arc Flash PPE Level: 2
Incident Energy Reduction Measures: 00

Capacitor Hazards

Capacitor Bus Voltage:
Capacitor total stored energy (joules):
Discharge wait time (minutes):

Emergency Response Plan

Nearest Landline Location: EM test cage
Emergency Number to Call: 911
Sufficient cell phone signal? No
Clear exit path? Yes
AED Location: By the LINAC entrance
Fire Extinguisher Location: LINAC entrance
Contact release method available and tested: Rescue hook

Environmental Conditions

Does the environment present additional hazards that should be addressed?

None

Error Precursors

Task Demands:
Work Environment:
Individual Capabilities:
Human Nature: Assumptions
Error Precursor Mitigations:

Verify and treat the equipment as it is energized.

PPE Inspections

Safety glasses (ANSI Z87),
Arc-rated clothing (flash suit,
daily wear) including face shield,
balaclava,
hood.,
Hearing protection,
Rubber insulating gloves and leather protectors,
Non-melting footwear that fully covers the feet,
Removal of conductive articles,
Insulated tools,
Multimeter and other electrical test instruments

Notes / Other

Perform Job Breifing

PIC Conducts the Job Briefing. Cover all the contents of the Job Safety Plan.

A Job Briefing at a minimum must include:
  1. Detailed Scope of Work
  2. Shock and arc flash hazards for each task
  3. Controls to mitigate the hazards (procedures, precautions, energy source controls, PPE requirements)
  4. Work area controls (barricades, signs, attendants)
  5. Emergency Response Plan

Rev 2023.08.22.1
Form Content and Feedback Contact: Michael Rose -- mvr@lbl.gov