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Time / Date: 2/8/2023 14:06:41
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JSP ID: 570
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Scope of Work: Perform annual maintenance on 70A Aru 004
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Work Order: 299287
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Building:
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Person in Charge: Justin walker
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Lead / Supervisor: Delgado, Alex
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Logged Email: jwwalker@lbl.gov
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Division: Facilities
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QEW Level: QEW 2
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Modes of Work: Mode 0 - Electrically Safe Work Condition, Mode 1 - LOTO & Zero Voltage Verification
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Second Person Requirement: Safety Watch
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Second Person Identified: Juan Garcia
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List Other Participants: Plumber and electricians
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Affected Persons Notified: Yes
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Switching: Hazardous Switching
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Panel / Equipment ID: 31A ckt 12/ 70A Aru 004
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System Information Review: Panel Schedules, Arc Flash Labels, Maintainance switch
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Control of Hazardous Energy: Complex LOTO (requires LP, CLP, FLP)
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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
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Sequence of Job Steps
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List basic sequence of steps from start to finish.
Go over job scope. Fill out and submit JSP form.go over safety briefing with plumbers and electricians. Electicians to rack out breaker with remote racking device. And put into maintainecne mode to lower arc flash at chiller to 1.52 cal to perform zvv. Apply loto and verify zvv. Loto condensor inlet and outlet. Drain condensor, perform chiller annual. Reassemble. Remove loto and electricians use remote racking device to restore power to Aru 004. |
Control of Work Area
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Minimum Approach Boundary: 42 inches after remote switching and put into maintenance mode
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Barricade Tape / Attendant: Warning - Orange
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Shock Risk Assessment
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System Voltage: 120/208 V ac
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Limited Approach Boundary: 155 inches at chiller until remote switching and maintenance switch applied then 42 inches and drops to 1.52 cal2
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Restricted Approach Boundary: 12 inches
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Will the hands enter the RAB: Yes
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Voltage Glove Class: 0
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Will any other part of the body enter the RAB: No
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Arc Flash Risk Assessment
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Incident Energy: 1.52 cal2 with maintenance switch activated cal/cm2
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Arc Flash Boundary: No safe distance for initial switching. Using remote racking device
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Working Distance: 18 inches
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Arc Flash PPE Level: 2
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Incident Energy Reduction Measures: 0
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Capacitor Hazards
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Capacitor Bus Voltage: Na
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Capacitor total stored energy (joules): Na
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Discharge wait time (minutes): Na
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Emergency Response Plan
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Nearest Landline Location: Hall outside 3329
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Emergency Number to Call: 911
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Sufficient cell phone signal? Yes
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Clear exit path? Yes
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AED Location: Have HVAC portable AED on location
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Fire Extinguisher Location: In hallway outside room 3329
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Contact release method available and tested: Rescue hook, Voltage gloves, Used remote racking device and put into maintenance mode
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Environmental Conditions
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Does the environment present additional hazards that should be addressed?
Noisy environment |
Error Precursors
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Task Demands:
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Work Environment:
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Individual Capabilities:
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Human Nature:
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Error Precursor Mitigations:
No error precursors all trades comfortable with their job scope on this task |
PPE Inspections
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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, Remote racking device |
Notes / Other
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Perform Job Breifing
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PIC Conducts the Job Briefing. Cover all the contents of the Job Safety Plan.
A Job Briefing at a minimum must include:
Rev 2023.08.22.1 Form Content and Feedback Contact: Michael Rose -- mvr@lbl.gov |