QEW 1 / 2 / 3 Job Safety Plan

Time / Date: 2/24/2025 9:12:51

JSP ID: 3420

Scope of Work: Remove circuits 31& 33 unless conductors can be used for current project. Either way panel 334A has to be shutdown and ZVV in order to research existing conductors.

General Information

Work Order

388932

Building

Person in Charge

Dave Davis

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

Robert Ralph

Other Participants

Affected Persons Notified

Yes

System / Equipment

Switching

Hazardous Switching

Panel / Equipment ID

M304A3A5A and 334A

System Information Review

☑ Panel Schedules

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

1. Open 3 pole CB# 39. 2.) Open panel 334A remove cover 3. Perform ZVV @ panel 334A 4.) investigate jbox by LN tank. 5.) remove necessary conductors and re pull as necessary.

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

Yes

Voltage Glove Class

Will any other part of the body enter the RAB

Arc Flash Risk Assessment

Incident Energy

.5 cal cal/cm2

Arc Flash Boundary

11”

Working Distance

18 inches

Arc Flash PPE Level

Incident Energy Reduction Measures

Capacitor Hazards

Capacitor Bus Voltage

Capacitor Total Stored Energy (Joules)

Discharge Wait Time (Minutes)

Emergency Response Plan

Nearest Landline Location

lobby B15

Emergency Number to Call

911

Sufficient Cell Phone Signal

Yes

Clear Exit Path

Yes

AED Location

Lobby B15

Fire Extinguisher Location

Right around the corner.

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 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:

Detailed Scope of Work
Shock and arc flash hazards for each task
Controls to mitigate the hazards (procedures, precautions, energy source controls, PPE requirements)
Work area controls (barricades, signs, attendants)
Emergency Response Plan