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Time / Date: 1/26/2024 10:23:59
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JSP ID: 2131
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Scope of Work: Switch pnl 303A3A ckt 1 feeding bank 323. Apply Loto. Zvv pnl 323A (load side of bank 323)
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Work Order: 363821
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Building: 6 booster pit
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Person in Charge: E combs
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Lead / Supervisor: Keusch, Justen
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Logged Email: ccryken@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: Standby Person
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Second Person Identified: Christopher Nelson
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List Other Participants: Robert Ralph
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Affected Persons Notified: Yes
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Switching: Hazardous Switching
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Panel / Equipment ID: 303A3A and 323A
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System Information Review: Panel Schedules, Arc Flash Labels
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Control of Hazardous Energy: Simple LOTO
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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.
Switch at 303A3A, apply Loto, set boundaries at 323A, zvv pnl 323A. Perform wire-way modification, have work inspected and approved, start process to re-energize pnl 323A |
Control of Work Area
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Minimum Approach Boundary: 56”
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Barricade Tape / Attendant: Notice - Blue, 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: 42 inches
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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: 00
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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: 1.2 switching, 7.7 zvv cal/cm2
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Arc Flash Boundary: 56”
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Working Distance: 18 inches
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Arc Flash PPE Level: 4
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Incident Energy Reduction Measures: 00
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Capacitor Hazards
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Capacitor Bus Voltage:
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Capacitor total stored energy (joules):
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Discharge wait time (minutes):
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Emergency Response Plan
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Nearest Landline Location: Booster ring pit wall
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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: Bldg 80 control room
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Fire Extinguisher Location: Multiple booster ring pit
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Contact release method available and tested: Standby person wearing PPE level appropriate to enter boundary
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Environmental Conditions
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Does the environment present additional hazards that should be addressed?
Insufficient/cramped/awkward space, Lookalike equipment |
Error Precursors
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Task Demands: Time pressure (in a hurry)
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Work Environment: Distractions/interruptions, Changes/departures from routine, Personality conflicts
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Individual Capabilities: Imprecise communication habits
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Human Nature: Assumptions, Complacency/overconfidence, Mind-set, Inaccurate risk perception, Mental shortcuts (biases)
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Error Precursor Mitigations:
Unnecessary pressures in regards to time |
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 |
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 |