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QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
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Time / Date: 8/20/2025 7:57:22
JSP ID: 4045
Scope of Work: Switch At Panel 302A2A circuit 4 bank 314 ZVV @ pnl314A demo circuit 39 for BA rack

General Information

Work Order
450587
Building
6 Als
Person in Charge
Kevin Hope
Lead / Supervisor
Combs, Everett
Logged Email
cnelson@lbl.gov
Division
Facilities

Work Planning

Modes of Work
☑ Mode 0 - Electrically Safe Work Condition
☑ Mode 1 - LOTO & Zero Voltage Verification
QEW Level
QEW 2
Second Person Requirement
Standby Person
Second Person Identified
Chris Nelson
Other Participants
Affected Persons Notified
Yes

System / Equipment

Switching
Hazardous Switching
Panel / Equipment ID
Switch 302A2A / ZVV 314A
System Information Review
☑ 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
Briefing with lead Fill out JSP notify EMs select and inspect PPE. Put up signage and warning tape at the arc flash distance with ems present and ready with PPE on switch and LOTO with EM’s admin lock on. Proceed to panel 314A. With PPE and insulated tools open panel 314A and start ZVV. Once Zero Volts has been established pull out circuit 39 and air gap by pulling wire out to the lb conduit body and pull out section of conduit and install a KO seal. Close panel and call EM’s to remove Admin lock and release our LOTO and re energize. Bank 314 and panel 314A. Proceed with demo of air gapped circuit.

Control of Work Area

Minimum Approach Boundary
94”
Barricade Tape / Attendant
Warning - Orange

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
No
Voltage Glove Class
0
Will any other part of the body enter the RAB
No

Arc Flash Risk Assessment

Incident Energy
16.8 cal/cm2
Arc Flash Boundary
94”
Working Distance
18 inches
Arc Flash PPE Level
2
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
Rack S0267
Emergency Number to Call
911
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
Rack L123
Fire Extinguisher Location
Next to panel 302A2A
Contact Release Method Available and Tested
Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?
Confined space, Noisy environment

Error Precursors

Task Demands
Work Environment
Distractions/interruptions
Individual Capabilities
Human Nature
Assumptions
Error Precursor Mitigations
Stay focused on task at hand , follow all methods and steps of procedures

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 Briefing

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 2026.03.17.1
Form Content and Feedback Contact: Michael Rose -- mvr@lbl.gov