QEW 1 / 2 / 3 Job Safety Plan

General Information

Work Order

Complex LOTO Procedure # 299

Building

Bldg. 2/Room 137

Person in Charge

Felipe Sanchez

Lead / Supervisor

Other

Logged Email

fbsanchez@lbl.gov

Division

Other

Work Planning

Modes of Work

☑ Mode 0 - Electrically Safe Work Condition
☑ Mode 1 - LOTO & Zero Voltage Verification

QEW Level

QEW 1

Second Person Requirement

Not Required

Second Person Identified

n/a

Other Participants

n/a

Affected Persons Notified

Yes

System / Equipment

Switching

Non-Hazardous Switching

Panel / Equipment ID

Panel 243A/Circuit 10

System Information Review

☑

Control of Hazardous Energy

Complex LOTO (requires LP, CLP, FLP)

Equipment Condition

☑ Properly installed
☑ Properly maintained
☑ All doors and covers closed and fully latched
☑ No signs of impending failure

Sequence of Job Steps

List basic sequence of steps from start to finish

Equipment was shutdown by customer. Main switch was provided with LOTO, ZVV was checked behind main equipment (124Vac). Defective broken circuit breaker was replaced with a new unit. LOTO was removed from main cut-off switch. Unit was powered up by customer.

Control of Work Area

Minimum Approach Boundary

12

Barricade Tape / Attendant

Attendant

Shock Risk Assessment

System Voltage

120/208 V ac

Limited Approach Boundary

42 inches

Restricted Approach Boundary

12 inches

Will the hands enter the RAB

No

Voltage Glove Class

1

Will any other part of the body enter the RAB

No

Arc Flash Risk Assessment

Incident Energy

1.2 cal/cm2

Arc Flash Boundary

1.2

Working Distance

36 inches

Arc Flash PPE Level

Minimum PPE for Electrical Work

Incident Energy Reduction Measures

1

Capacitor Hazards

Capacitor Bus Voltage

n/a

Capacitor Total Stored Energy (Joules)

n/a

Discharge Wait Time (Minutes)

n/a

Emergency Response Plan

Nearest Landline Location

Located inside room

Emergency Number to Call

(510) 486-6999

Sufficient Cell Phone Signal

Yes

Clear Exit Path

Yes

AED Location

AED is located outside of main door.

Fire Extinguisher Location

Located outside of main door.

Contact Release Method Available and Tested

Upstream breaker or switch

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Insufficient lighting, Insufficient/cramped/awkward space

Error Precursors

Task Demands

Work Environment

Individual Capabilities

Human Nature

Error Precursor Mitigations

yes

PPE Inspections

☑ Safety glasses (ANSI Z87)
☑ Arc-rated clothing (flash suit
☑ daily wear) including face shield
☑ balaclava
☑ hood.
☑ 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

n/a

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