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QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
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Time / Date: 6/4/2025 8:07:43
JSP ID: 3792
Scope of Work: Turn off circuits, ZVV, terminate liquid tite at outlet box and connect conductors to receptacles and drill press

General Information

Work Order
426107
Building
80
Person in Charge
Robert Ralph
Lead / Supervisor
Combs, Everett
Logged Email
RobertRalph@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
Mayumi Taylor
Other Participants
Affected Persons Notified
Yes

System / Equipment

Switching
Hazardous Switching
Panel / Equipment ID
342A1A19A
System Information Review
☑ Panel Schedules
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
1.)Open CB #19 2.)ZVV at jbox with circuit 19&27 3.) Establish LOTO @CB#19 & 27 4.)terminate liquid tite and conductors at drill press. 5.) notify affected parties 6.) release LOTO 7.) Re energize CB #19 & #27

Control of Work Area

Minimum Approach Boundary
72”
Barricade Tape / Attendant
Warning - Orange

Shock Risk Assessment

System Voltage
120/240 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
11 cal/cm2
Arc Flash Boundary
72”
Working Distance
18 inches
Arc Flash PPE Level
4
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
Machine shop office
Emergency Number to Call
911
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
Lobby B6
Fire Extinguisher Location
Outside machine shop office
Contact Release Method Available and Tested
Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?
None

Error Precursors

Task Demands
Work Environment
Individual Capabilities
Human Nature
Error Precursor Mitigations
Went over everything and everything is good.

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