Logo

QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
Back to Index
Time / Date: 5/12/2023 7:51:04
JSP ID: 1021
Scope of Work: Replace CB #4 in panel 208A

General Information

Work Order
Training
Building
-
Person in Charge
Alma Armenta
Lead / Supervisor
Cameron, Benjamin
Logged Email
alarmentaduran@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
Mike Rose
Other Participants
None
Affected Persons Notified
N/A

System / Equipment

Switching
Hazardous Switching
Panel / Equipment ID
Disc 16A & panel 208A
System Information Review
☑ Panel Schedules
☑ Arc Flash Labels
Control of Hazardous Energy
Simple LOTO
Equipment Condition
☑ Properly installed
☑ 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
Shut off power to disconnect 16A, ZVV, LOTO, enter panel 208A, ZVV, Replace CB 4, replace dead front, re-energize

Control of Work Area

Minimum Approach Boundary
42 in
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
1.1 cal cal/cm2
Arc Flash Boundary
18in
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
Emergency Number to Call
7911
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
South wall
Fire Extinguisher Location
West wall
Contact Release Method Available and Tested
Rescue hook, Voltage gloves

Environmental Conditions

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

Error Precursors

Task Demands
Time pressure (in a hurry), Simultaneous or multiple tasks
Work Environment
Distractions/interruptions
Individual Capabilities
Human Nature
Error Precursor Mitigations
N/A

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

Panel 208A shock hazard 208VAC, arc flash hazard 6.29 cals, 45in arc flash boundary

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