Time / Date: 3/6/2025 14:50:05
JSP ID: 3479
Scope of Work: remove broken prong from receptacle
Work Order: W0415062
Building: 53
Person in Charge: greg neidiger
Lead / Supervisor: Combs, Everett
Logged Email: gcn@lbl.gov
Division: ALS
QEW Level: QEW 2
Modes of Work: Mode 1 - LOTO & Zero Voltage Verification
Second Person Requirement: Not Required
Second Person Identified:
List Other Participants:
Affected Persons Notified: N/A
Switching: Non-Hazardous Switching
Panel / Equipment ID: 15A15A58A-11
System Information Review: Panel Schedules, Arc Flash Labels
Control of Hazardous Energy: Simple LOTO
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) LOTO/ZVV 2) remove prong 3) release LOTO and energize

Control of Work Area

Minimum Approach Boundary:
Barricade Tape / Attendant:

Shock Risk Assessment

System Voltage: 120 Vac
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 3 inches
Will the hands enter the RAB: No
Voltage Glove Class: 0
Will any other part of the body enter the RAB: No

Arc Flash Risk Assessment

Incident Energy: 1.71 cal/cm2
Arc Flash Boundary: 22in
Working Distance: No Arc Flash Hazard Present
Arc Flash PPE Level: Minimum PPE for Electrical Work
Incident Energy Reduction Measures: 0

Capacitor Hazards

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

Emergency Response Plan

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

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Heavy traffic

Error Precursors

Task Demands:
Work Environment: Confusing displays or controls
Individual Capabilities:
Human Nature:
Error Precursor Mitigations:

Panel has two different panel designations. Will use rubber gloves when performing ZVV because of exposed prong protruding from "hot" side of receptacle. Extra caution will be taken to ensure receptacle is de-energized because of differing labels.

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,
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