Time / Date: 7/24/2023 14:22:12
JSP ID: 1300
Scope of Work: Troubleshoot motor controller that trips when the motor is turned on.
Work Order:
Building: 77-105
Person in Charge: Jaime Romo
Lead / Supervisor: Other
Logged Email: jromo@lbl.gov
Division: Facilities
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: Felipe Sanchez
List Other Participants:
Affected Persons Notified: Yes
Switching: Non-Hazardous Switching
Panel / Equipment ID: 72C2A
System Information Review: Single Line Drawing, Panel Schedules, Arc Flash Labels
Control of Hazardous Energy: Simple LOTO
Equipment Condition: 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)LOTO CB #10 at panel 72C2A 2) Perform ZVV in motor control panel w/standby person 3) perform visual inspection and continuity checks of motor wiring.

Control of Work Area

Minimum Approach Boundary: 42
Barricade Tape / Attendant: Attendant

Shock Risk Assessment

System Voltage: 277/480 V ac
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 12 inches
Will the hands enter the RAB: Yes
Voltage Glove Class: 1
Will any other part of the body enter the RAB: No

Arc Flash Risk Assessment

Incident Energy: .08 cal/cm2 cal/cm2
Arc Flash Boundary: 3in
Working Distance: No Arc Flash Hazard Present
Arc Flash PPE Level: Minimum PPE for Electrical Work
Incident Energy Reduction Measures: 1

Capacitor Hazards

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

Emergency Response Plan

Nearest Landline Location: 77-105
Emergency Number to Call: 911 from land line
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: 77-142
Fire Extinguisher Location: 77-105
Contact release method available and tested: Upstream breaker or switch

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Wet location

Error Precursors

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

Work safe and think before each step.

PPE Inspections

Safety glasses (ANSI Z87),
Arc-rated clothing (flash suit,
daily wear) including face shield,
balaclava,
hood.,
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