Time / Date: 3/1/2023 8:57:46
JSP ID: 657
Scope of Work: Troubleshoot unit not defrosting
Work Order: 314918
Building:
Person in Charge: Gerald Fowler
Lead / Supervisor: Delgado, Alex
Logged Email: gdfowler@lbl.gov
Division: Facilities
QEW Level: QEW 2
Modes of Work: Mode 0 - Electrically Safe Work Condition, Mode 1 - LOTO & Zero Voltage Verification, Mode 2 - Energized Diagnostics, Testing and Troubleshooting, Visual Inspection
Second Person Requirement: Standby Person
Second Person Identified: Mike Capeto
List Other Participants: None
Affected Persons Notified: Yes
Switching: Non-Hazardous Switching
Panel / Equipment ID: 354A2B
System Information Review: Arc Flash Labels
Control of Hazardous Energy: Simple LOTO
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.

Loto out unit and replace defrost board

Control of Work Area

Minimum Approach Boundary: 42 inches
Barricade Tape / Attendant: Warning - Orange

Shock Risk Assessment

System Voltage: 120/208 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: .14 cal cm2 cal/cm2
Arc Flash Boundary: 5 inches
Working Distance: 18 inches
Arc Flash PPE Level: 2
Incident Energy Reduction Measures: 0

Capacitor Hazards

Capacitor Bus Voltage: None
Capacitor total stored energy (joules): None
Discharge wait time (minutes): None

Emergency Response Plan

Nearest Landline Location: In trailer
Emergency Number to Call:
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: Building 71
Fire Extinguisher 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?

Fall hazard, Lookalike equipment

Error Precursors

Task Demands:
Work Environment:
Individual Capabilities:
Human Nature:
Error Precursor Mitigations:

None

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 Breifing

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

Rev 2023.08.22.1
Form Content and Feedback Contact: Michael Rose -- mvr@lbl.gov