Time / Date: 3/19/2024 13:49:30
JSP ID: 2342
Scope of Work: Reset tripped breaker
Work Order: 373282
Building: 77
Person in Charge: Greg Neidiger
Lead / Supervisor: Secheck, Stephen
Logged Email: gcn@lbl.gov
Division: Facilities
QEW Level: QEW 2
Modes of Work: Mode 0 - Electrically Safe Work Condition
Second Person Requirement: Not Required
Second Person Identified: Armand Uribe
List Other Participants:
Affected Persons Notified: N/A
Switching: Hazardous Switching
Panel / Equipment ID: M72A8B
System Information Review: Panel Schedules, Arc Flash Labels
Control of Hazardous Energy: LOTO Not Required (Mode 2 or 3 only)
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.

1) Open MCC buckets with load 2) Reset and switch MCC mains 3) Bring up loads one by one

Control of Work Area

Minimum Approach Boundary: 37"
Barricade Tape / Attendant: Attendant

Shock Risk Assessment

System Voltage: No Shock Hazard Present
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 12 inches
Will the hands enter the RAB: No
Voltage Glove Class: Not Required
Will any other part of the body enter the RAB: No

Arc Flash Risk Assessment

Incident Energy: 4.5 cal/cm2
Arc Flash Boundary: 37"
Working Distance: 24 inches
Arc Flash PPE Level: 2
Incident Energy Reduction Measures: Not Required

Capacitor Hazards

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

Emergency Response Plan

Nearest Landline Location: Across hall
Emergency Number to Call: 911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: in vehicle
Fire Extinguisher Location: in machine room
Contact release method available and tested:

Environmental Conditions

Does the environment present additional hazards that should be addressed?

None

Error Precursors

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

Reviewed cause of overcurrent incident with PMT. Opened connected loads to avoid closing in on a fault.

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

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