Time / Date: 5/13/2024 9:20:28
JSP ID: 2566
Scope of Work: Replace Breaker 4 in Panel 208A
Work Order: Practical
Building: 75A
Person in Charge: Jeff Hendrick
Lead / Supervisor: Other
Logged Email: JLHendrick@lbl.gov
Division: Facilities
QEW Level: QEW 2
Modes of Work: Mode 0 - Electrically Safe Work Condition, Mode 1 - LOTO & Zero Voltage Verification
Second Person Requirement: Standby Person
Second Person Identified: Mike Rose
List Other Participants:
Affected Persons Notified: Yes
Switching: Non-Hazardous Switching
Panel / Equipment ID: 208A
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.

Open and apply LOTO Lock to disconnect switch DISC 16A, ZVV load side of DISC 16A, Remove Dead Front from Panel 208A, ZVV panel 208A, Perform task of replacing Breaker 4 in panel , Close up panel and release LOTO

Control of Work Area

Minimum Approach Boundary: 42"
Barricade Tape / Attendant: Attendant

Shock Risk Assessment

System Voltage: 277/480 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: 1.1 Cal @ 18" cal/cm2
Arc Flash Boundary: 18"
Working Distance: 18 inches
Arc Flash PPE Level: Minimum PPE for Electrical Work
Incident Energy Reduction Measures: 0

Capacitor Hazards

Capacitor Bus Voltage:
Capacitor total stored energy (joules):
Discharge wait time (minutes):

Emergency Response Plan

Nearest Landline Location: no landline
Emergency Number to Call: 911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: In room on wall
Fire Extinguisher Location: Outside Door
Contact release method available and tested: Upstream breaker or switch

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Insufficient/cramped/awkward space

Error Precursors

Task Demands: Repetitive actions or monotony
Work Environment: Distractions/interruptions
Individual Capabilities:
Human Nature: Habit patterns, Complacency/overconfidence
Error Precursor Mitigations:

Take Time and keep focussed and awarness

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