Logo

QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
Back to Index
Time / Date: 8/30/2023 11:33:43
JSP ID: 1476
Scope of Work: Requested by customer to check AC and DC voltages readings for their equipment.

General Information

Work Order
n/a
Building
Bldg. # 2
Person in Charge
FELIPE SANCHEZ
Lead / Supervisor
Other
Logged Email
fbsanchez@lbl.gov
Division
Other

Work Planning

Modes of Work
☑ Mode 2 - Energized Diagnostics
☑ Testing and Troubleshooting
☑ Visual Inspection
QEW Level
QEW 1
Second Person Requirement
Not Required
Second Person Identified
Other Participants
Manufacturer's technician on site including the customer/user.
Affected Persons Notified
N/A

System / Equipment

Switching
Hazardous Switching
Panel / Equipment ID
n/a
System Information Review
☑
Control of Hazardous Energy
Exclusive Control of Plug
Equipment Condition
☑ Properly installed

Sequence of Job Steps

List basic sequence of steps from start to finish
Customer requested to check AC/DC voltages on their equipment, monitored VAC input = 123.3Vac, DC voltages (24Vdc, -15Vdc, +15Vdc) on chamber #3. Frequency = 60Hz. Not much space at the back of equipment.

Control of Work Area

Minimum Approach Boundary
Barricade Tape / Attendant

Shock Risk Assessment

System Voltage
120 Vac
Limited Approach Boundary
42 inches
Restricted Approach Boundary
3 feet, 6 inches
Will the hands enter the RAB
Yes
Voltage Glove Class
00
Will any other part of the body enter the RAB
No

Arc Flash Risk Assessment

Incident Energy
n/a cal/cm2
Arc Flash Boundary
n/a
Working Distance
36 inches
Arc Flash PPE Level
Minimum PPE for Electrical Work
Incident Energy Reduction Measures
00

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
Inside the room.
Emergency Number to Call
510 486-6999
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
Outside of hallway
Fire Extinguisher Location
Located at the hallway
Contact Release Method Available and Tested
Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?
Insufficient lighting, Confined space, Insufficient/cramped/awkward space, Noisy environment

Error Precursors

Task Demands
Work Environment
Individual Capabilities
Human Nature
Error Precursor Mitigations
Cramped space at the back of equipment.

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
☑ 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:
  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