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QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
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Time / Date: 5/19/2023 13:03:09
JSP ID: 1058
Scope of Work: RF tank entry for leak detection

General Information

Work Order
N/A
Building
-
Person in Charge
Ken Lambert
Lead / Supervisor
Other
Logged Email
klambert@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
Erik Line
Other Participants
Mechanical techs, John Garcia and Sean Xiang
Affected Persons Notified
Yes

System / Equipment

Switching
Hazardous Switching
Panel / Equipment ID
RF tank
System Information Review
☑ 22W8684
☑ 12W5405
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
LOTOs (4) performed, use of leak detector to isolate leaks for repair. Repair leaks that are found, release the mechanical LOTO if necessary to reposition equipment, restore the mechanical LOTO, continue leak detection and repairs, release the LOTOs.

Control of Work Area

Minimum Approach Boundary
65
Barricade Tape / Attendant
Attendant

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
No
Voltage Glove Class
0
Will any other part of the body enter the RAB
No

Arc Flash Risk Assessment

Incident Energy
2.18 cal/cm2
Arc Flash Boundary
65"
Working Distance
24 inches
Arc Flash PPE Level
1
Incident Energy Reduction Measures
0

Capacitor Hazards

Capacitor Bus Voltage
15.6
Capacitor Total Stored Energy (Joules)
409
Discharge Wait Time (Minutes)
7 min

Emergency Response Plan

Nearest Landline Location
Outside vault door
Emergency Number to Call
911
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
Front of B88
Fire Extinguisher Location
Outside of vault door
Contact Release Method Available and Tested
Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?
Confined space

Error Precursors

Task Demands
Work Environment
Individual Capabilities
Human Nature
Error Precursor Mitigations
None

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:
  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
Rev 2026.03.17.1
Form Content and Feedback Contact: Michael Rose -- mvr@lbl.gov