Time / Date: 11/22/2024 11:47:28
JSP ID: 3131
Scope of Work: Troubleshoot disconnect handle at MCC panel
Work Order: 413391
Building: B84B
Person in Charge: Shane Miller
Lead / Supervisor: Secheck, Stephen
Logged Email: spmiller@lbl.gov
Division: Facilities
QEW Level: QEW 2
Modes of Work: Mode 1 - LOTO & Zero Voltage Verification, Mode 2 - Energized Diagnostics, Testing and Troubleshooting, Visual Inspection
Second Person Requirement: Standby Person
Second Person Identified: Alex Lopez
List Other Participants:
Affected Persons Notified: N/A
Switching: Non-Hazardous Switching
Panel / Equipment ID: M460A1A
System Information Review: Panel Schedules, Arc Flash Labels
Control of Hazardous Energy: LOTO Not Required (Mode 2 or 3 only)
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.

Dawn the proper PPE and identify issue with disconnect handle at MCC

Control of Work Area

Minimum Approach Boundary: 60"
Barricade Tape / Attendant: Attendant

Shock Risk Assessment

System Voltage: 277/480 V ac
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 3 inches
Will the hands enter the RAB: No
Voltage Glove Class: 00
Will any other part of the body enter the RAB: No

Arc Flash Risk Assessment

Incident Energy: 4.90cal/cm2 cal/cm2
Arc Flash Boundary: 39"
Working Distance: 18 inches
Arc Flash PPE Level: 1
Incident Energy Reduction Measures: 00

Capacitor Hazards

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

Emergency Response Plan

Nearest Landline Location: building 84 corridor
Emergency Number to Call: x6999
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: bld 84A first floor corridor
Fire Extinguisher Location: Bld 84B
Contact release method available and tested: Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?

None

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