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Time / Date: 4/5/2023 15:45:28
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JSP ID: 852
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Scope of Work: Cli-Metrics to perform cooling tower cleaning on B59 seven cooling towers
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Work Order: n/A
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Building:
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Person in Charge: Ernie Jew
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Lead / Supervisor: Grounds, Jeff
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Logged Email: jtgrounds@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: Not Required
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Second Person Identified:
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List Other Participants: Cli-Metrics
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Affected Persons Notified: Yes
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Switching: Non-Hazardous Switching
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Panel / Equipment ID: CT-1 59-VFD-023/CT-2 59-VFD-024/CT-3 59-VFD-025/CT-4 59-VFD-026/CT-5 59-VFD-045/CT-6 59-VFD-046/CT-7 59-VFD-047
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System Information Review: Single Line Drawing, Panel Schedules, Arc Flash Labels
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Control of Hazardous Energy: Complex LOTO w/ RI
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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.
1. Notify personnel of planned tower outage 2.PIC to perform job briefing with contractor 3. PIC to perform LOTO briefing with contractor prior to each tower cleaning (7 LOTO permits). 4. PIC to perform LOTO following written procedures attached to LOTO permit (max two towers at a time) 5. Contractor to join LOTO 6. Contractor to perform tower drain and cleaning. 7. Once completed, PIC to inspect work. 8. PIC to contact personnel to advise of tower restart 9. PIC to perform re energization briefing with contractor 10. PIC to release LOTO and restart towers. 11. Perform post LOTO briefing and review process for improvements 12. Continue process of steps 1-11 until all towers are complete and re energized |
Control of Work Area
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Minimum Approach Boundary: 42"
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Barricade Tape / Attendant: Attendant
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Shock Risk Assessment
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System Voltage: 277/480 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: No
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Voltage Glove Class: Not Required
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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: 1.1 cal/cm2 cal/cm2
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Arc Flash Boundary: 17"
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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: Not Required
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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: Jeff Grounds Trailer
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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: 3rd floor adjacent to mens room
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Fire Extinguisher Location: Mechanical Level at south column
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Contact release method available and tested: Rescue hook
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Environmental Conditions
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Does the environment present additional hazards that should be addressed?
None |
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:
None |
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 |