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QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
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Time / Date: 3/13/2026 10:27:07
JSP ID: 4625
Scope of Work: Switch MCC in boiler room 2nd floor mezzanine Mode 1 work ZVV 06-VFD-11 for feeder conduit re-route

General Information

Work Order
415062 ALSU routine
Building
6 ALS Storage ring roof block sector 11-12
Person in Charge
Christopher Nelson
Lead / Supervisor
Keusch, Justen
Logged Email
cnelson@lbl.gov
Division
Facilities

Work Planning

Modes of Work
☑ Mode 1 - LOTO & Zero Voltage Verification
QEW Level
QEW 2
Second Person Requirement
Standby Person
Second Person Identified
Everett Combs
Other Participants
FMCS FATSE 2 HV Crew RI Justen Keush
Affected Persons Notified
Yes

System / Equipment

Switching
Non-Hazardous Switching
Panel / Equipment ID
06-VFD-011 Fed from M304A3A26A2D
System Information Review
☑ Panel Schedules
☑ 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
After Switching and Loto on separate JSP Fill out JSP for ZVV Select PPE Inspect PPE/tools and multi meter Barricade area dawn PPE perform ZVV.

Control of Work Area

Minimum Approach Boundary
42 inches
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
Yes
Voltage Glove Class
0
Will any other part of the body enter the RAB
No

Arc Flash Risk Assessment

Incident Energy
0.46 cal/cm2
Arc Flash Boundary
11 inches
Working Distance
18 inches
Arc Flash PPE Level
2
Incident Energy Reduction Measures
0

Capacitor Hazards

Capacitor Bus Voltage
N/A
Capacitor Total Stored Energy (Joules)
N/A
Discharge Wait Time (Minutes)
N/A

Emergency Response Plan

Nearest Landline Location
On user floor rack BL 1144 desk at column 5
Emergency Number to Call
911
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
B 6 lobby
Fire Extinguisher Location
On user floor corridor wall column 5
Contact Release Method Available and Tested
Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?
Insufficient/cramped/awkward space, Lookalike equipment

Error Precursors

Task Demands
Work Environment
Distractions/interruptions
Individual Capabilities
Imprecise communication habits
Human Nature
Stress (limits attention)
Error Precursor Mitigations
Don’t be distracted don’t rush do not stress and take your time have a good communication with others involved

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

Switching will occur when beam is off under separate JSP wait until it has been cleared and storage ring is open contact the ALS control room before switching. Be Aware of the other AHU’s look alike equipment be sure you are working on the right equipment.

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