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QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
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Time / Date: 1/13/2025 9:10:52
JSP ID: 3262
Scope of Work: Switch panel 306A4A and Hang Red LOTO Locks for safety

General Information

Work Order
412148
Building
6ALS
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
Mayumi Taylor
Affected Persons Notified
Yes

System / Equipment

Switching
Hazardous Switching
Panel / Equipment ID
306A4A
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
Switch

Control of Work Area

Minimum Approach Boundary
42
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
4.52 cal/cm2
Arc Flash Boundary
37
Working Distance
18 inches
Arc Flash PPE Level
2
Incident Energy Reduction Measures
0

Capacitor Hazards

Capacitor Bus Voltage
NA
Capacitor Total Stored Energy (Joules)
na
Discharge Wait Time (Minutes)
Na

Emergency Response Plan

Nearest Landline Location
Inside the BSISB lab
Emergency Number to Call
911
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
In lobby of 6 ALS
Fire Extinguisher Location
On the outside of the BSISB LAB
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
Repetitive actions or monotony
Work Environment
Confusing displays or controls
Individual Capabilities
Human Nature
Error Precursor Mitigations
Be aware of precursors

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 equipment to work on the outside of the equipment will not be inside the gear ZVV on outside test port

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