QEW 1 / 2 / 3 Job Safety Plan

General Information

Work Order

N/A

Building

88

Person in Charge

Brendan Ford

Lead / Supervisor

Other

Logged Email

bpford@lbl.gov

Division

Other

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

Yes

Other Participants

Building 88 Control Room and Mechanical shop and outside vendor (Negative One Eighty).

Affected Persons Notified

Yes

System / Equipment

Switching

Hazardous Switching

Panel / Equipment ID

Station A 1400 Helium Refrigerator

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

1. Inform Control Room and Mechanical group to have the unit safely shut down. 2. Perform the LOTO using LOTO procedure R2A-5. 3. Perform Inspection/repairs. 4.Verify with Control Room and Mechanical group that unit is safe/ready to remove LOTO R2A-5. 5. Remove LOTO and return control back to Control Room and Mechanical Group.

Control of Work Area

Minimum Approach Boundary

42 inches

Barricade Tape / Attendant

Notice - Blue

Shock Risk Assessment

System Voltage

120 V ac, 240 V ac, 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

480 V ac is 5.64. 240 V ac is 9.69. cal/cm2

Arc Flash Boundary

67 inches.

Working Distance

18 inches

Arc Flash PPE Level

2+

Incident Energy Reduction Measures

0

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

15 feet away directly to the West on wall.

Emergency Number to Call

911

Sufficient Cell Phone Signal

Yes

Clear Exit Path

Yes

AED Location

Brought to switching location.

Fire Extinguisher Location

4 feet away directly behing wall of panels being switched..

Contact Release Method Available and Tested

Rescue hook, Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Noisy environment

Error Precursors

Task Demands

Critical steps or irreversible acts

Work Environment

Distractions/interruptions

Individual Capabilities

Human Nature

Stress (limits attention)

Error Precursor Mitigations

Have standby person double check each step verbally as it is performed per the LOTO procedure.

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