QEW 1 / 2 / 3 Job Safety Plan

Time / Date: 7/11/2024 13:59:58

JSP ID: 2746

Scope of Work: ZVV first exposure of 480V booster bend power supply disconnect that was put u dear LOTO previously. for installing new 4 inch AC conduits for new BBPS.

General Information

Work Order

390770

Building

6 ALS

Person in Charge

Christopher Nelson

Lead / Supervisor

Combs, Everett

Logged Email

cnelson@lbl.gov

Division

ALS

Work Planning

Modes of Work

☑ 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

No Switching Required

Panel / Equipment ID

303A2A1A

System Information Review

☑ Single Line Drawing
☑ Panel Schedules
☑ Arc Flash Labels

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

Briefing with the RI place personal LOTO locks on group LOTO boxes in place. Fill out the JSP select PPE for ZVV place danger barricade and signage for unauthorized persons to be kept out of the arc flash boundary. Complete and verify the ZVV and do the work.

Control of Work Area

Minimum Approach Boundary

65”

Barricade Tape / Attendant

Danger - Red

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

9.39 cal^cm2 at 18” cal/cm2

Arc Flash Boundary

65”

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

In the booster pit where we are by br2 gate

Emergency Number to Call

911

Sufficient Cell Phone Signal

Yes

Clear Exit Path

Yes

AED Location

In lobby of b 15 is closest

Fire Extinguisher Location

Right next to the panel to be ZVV

Contact Release Method Available and Tested

Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Noisy environment

Error Precursors

Task Demands

Time pressure (in a hurry), High workload (memory requirements)

Work Environment

Distractions/interruptions

Individual Capabilities

Human Nature

Stress (limits attention), Mind-set

Error Precursor Mitigations

Keep a good mindset don’t get complacent

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