Logo

QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
Back to Index
Time / Date: 3/5/2025 8:17:33
JSP ID: 3472
Scope of Work: switch BA panel B030714 off and ZVV for ALS to have Data workers pull a new networking cable in This Rack. Via Breaker # 27 in Panel 324A

General Information

Work Order
415062
Building
6 ALS
Person in Charge
Christopher Nelson
Lead / Supervisor
Combs, Everett
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
Alex lopez
Other Participants
William and Mary Chan
Affected Persons Notified
Yes

System / Equipment

Switching
Non-Hazardous Switching
Panel / Equipment ID
324A / B030714
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
Meet with ALS EM RI with lock box briefing fill out JSP pick PPE Switch breaker #27 panel 324A and LOTO then ZVV rack B0307. Remove lock and turn over to ri. Come back to switch back on at 1pm today

Control of Work Area

Minimum Approach Boundary
Barricade Tape / Attendant
Warning - Orange

Shock Risk Assessment

System Voltage
120/208 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
Yes

Arc Flash Risk Assessment

Incident Energy
16.7 cal/cm2
Arc Flash Boundary
77
Working Distance
18 inches
Arc Flash PPE Level
2
Incident Energy Reduction Measures
0

Capacitor Hazards

Capacitor Bus Voltage
No
Capacitor Total Stored Energy (Joules)
No
Discharge Wait Time (Minutes)
No

Emergency Response Plan

Nearest Landline Location
Within the area of booster pit where we are working
Emergency Number to Call
911
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
15 lobby
Fire Extinguisher Location
By the ZVV point
Contact Release Method Available and Tested
Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?
Lookalike equipment

Error Precursors

Task Demands
Simultaneous or multiple tasks
Work Environment
Distractions/interruptions
Individual Capabilities
Human Nature
Habit patterns
Error Precursor Mitigations
Keep in control and contact with area and participating others

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

Routine WO jsp

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