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Time / Date: 11/13/2024 14:19:20
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JSP ID: 3083
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Scope of Work: Pull out SO514 cables cables in power wire way and re route them into new 4x4 wire way so that the old racks can be removed. Requires a panel shutdown of 317A to get into power wire way.
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Work Order: 407166
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Building: 6 ALS
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Person in Charge: Chris Nelson
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Lead / Supervisor: Keusch, Justen
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Logged Email: cnelson@lbl.gov
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Division: Facilities
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QEW Level: QEW 2
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Modes of Work: Mode 1 - LOTO & Zero Voltage Verification
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Second Person Requirement: Standby Person
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Second Person Identified: Armand Uribe
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List Other Participants: EM’s
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Affected Persons Notified: Yes
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Switching: Non-Hazardous Switching
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Panel / Equipment ID: 302A3A ct 2 panel 317A
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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.
Fill out JSP and select proper PPE. notify effected personnel of shutdown EM’s. Switch panel 317A from panel 302A3A Circuit 2. Hang LOTO locks and EM’s admin lock. Wand ZVV inside the power gutter coming from panel 317A. When ZVV is established and cables are disconnected. Pull them out of gutter and re route cables to new rack. When work is completed release LOTO notify Greg Mannino that the job is complete. |
Control of Work Area
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Minimum Approach Boundary:
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Barricade Tape / Attendant: Warning - Orange
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Shock Risk Assessment
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System Voltage: 277/480 V ac
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Limited Approach Boundary: 60 inches
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Restricted Approach Boundary: 18”
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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: 8.14 cal/cm2 cal/cm2
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Arc Flash Boundary: 60”
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Working Distance: 18 inches
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Arc Flash PPE Level: 1
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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: In pit SO267
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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: 15 lobby
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Fire Extinguisher Location: In pita 20’ from panel
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Contact release method available and tested: Upstream breaker or switch, Voltage gloves
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Environmental Conditions
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Does the environment present additional hazards that should be addressed?
Insufficient lighting |
Error Precursors
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Task Demands: Time pressure (in a hurry)
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Work Environment: Distractions/interruptions
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Individual Capabilities: Unsafe attitudes for critical task, Inappropriate values
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Human Nature: Stress (limits attention), Complacency/overconfidence, Mind-set
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Error Precursor Mitigations:
Keep on task at hand don’t get in a hurry |
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 |
Notes / Other
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Check all wires in power gutter with non contact voltage tester
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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 |