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QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
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Time / Date: 3/27/2023 9:00:47
JSP ID: 794
Scope of Work: Perform annual maintenance on 33U Aru 001

General Information

Work Order
299230
Building
-
Person in Charge
Justin walker
Lead / Supervisor
Delgado, Alex
Logged Email
jwwalker@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
Justin solis
Other Participants
Plumbers, riggers
Affected Persons Notified
Yes

System / Equipment

Switching
Hazardous Switching
Panel / Equipment ID
635A2A-1. / 33u Aru 001
System Information Review
☑ Panel Schedules
☑ Arc Flash Labels
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
☑ Not energizing equipment for the first time
☑ or after electrical repair

Sequence of Job Steps

List basic sequence of steps from start to finish
Go over job scope, gather materials, fill out and submit JSP, gather proper ppe, perform safety briefing, apply loto and verify zvv, loto condensor inlet and outlet valves. Perform maintenance , reassemble chiller, restore and check supply power. Check operations.

Control of Work Area

Minimum Approach Boundary
42 “
Barricade Tape / Attendant
Warning - Orange

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
0
Will any other part of the body enter the RAB
No

Arc Flash Risk Assessment

Incident Energy
2.9 cal/cm2 cal/cm2
Arc Flash Boundary
31”
Working Distance
18 inches
Arc Flash PPE Level
2
Incident Energy Reduction Measures
0

Capacitor Hazards

Capacitor Bus Voltage
Capacitor Total Stored Energy (Joules)
1600 joules
Discharge Wait Time (Minutes)
20 minutes

Emergency Response Plan

Nearest Landline Location
33 143a
Emergency Number to Call
911
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
Have HVAC portable in possession
Fire Extinguisher Location
In mechanical room 0101 at job location
Contact Release Method Available and Tested
Upstream breaker or switch, Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?
Noisy environment

Error Precursors

Task Demands
Work Environment
Individual Capabilities
Human Nature
Error Precursor Mitigations
No current error precursors

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