Time / Date: 4/18/2024 11:06:04
JSP ID: 2467
Scope of Work: Switching support
Work Order: W0373261
Building: 2
Person in Charge: Colmenares
Lead / Supervisor: Cameron, Benjamin
Logged Email: jcolmenares@lbl.gov
Division: Facilities
QEW Level: QEW 2
Modes of Work: Mode 0 - Electrically Safe Work Condition
Second Person Requirement: Safety Watch
Second Person Identified: Pica
List Other Participants: PMT MATT and Mauricio
Affected Persons Notified: N/A
Switching: Hazardous Switching
Panel / Equipment ID: E238a1a1a6a39a
System Information Review: Panel Schedules, Arc Flash Labels
Control of Hazardous Energy: Simple LOTO
Equipment Condition: Properly installed, 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.

Brief and switch

Control of Work Area

Minimum Approach Boundary: 114 inch
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: 22.9 cal cal/cm2
Arc Flash Boundary: 114 inch
Working Distance: 18 inches
Arc Flash PPE Level: 4
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: 4 th floor by elevator
Emergency Number to Call: 7911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: Main door by elevator
Fire Extinguisher Location: 4 th floor
Contact release method available and tested: Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Lookalike equipment, Noisy environment

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

PL132-02 at 4.5 cal, PL-013-02 at 4.03 cal, PL-130-02 at 25.2 cal, PL- 129-02 at 23.7 cal

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