Time / Date: 9/13/2024 6:44:18
JSP ID: 2932
Scope of Work: Swap out heat detector in shed 79L.
Work Order: 393812
Building: B77 sheds
Person in Charge: Travis Ray and Ed Bekheet
Lead / Supervisor: Baird, Shawn
Logged Email: edbekheet@lbl.gov
Division: Facilities
QEW Level: QEW 1
Modes of Work: Mode 0 - Electrically Safe Work Condition, Mode 1 - LOTO & Zero Voltage Verification
Second Person Requirement: Standby Person
Second Person Identified: Travis Ray
List Other Participants:
Affected Persons Notified: Yes
Switching: Non-Hazardous Switching
Panel / Equipment ID: 79A-PNL-002. E732A
System Information Review: Single Line Drawing, Panel Schedules, Arc Flash Labels
Control of Hazardous Energy: Simple LOTO
Equipment Condition:

Sequence of Job Steps

List basic sequence of steps from start to finish.

1. Perform LOTO of main circuit feeding all sheds 2. Perform ZVV 3. Swap out heat detector once ZVV is complete and zero voltage is verified 4. Release LOTO 5. Test heat detector

Control of Work Area

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

Shock Risk Assessment

System Voltage: 120 Vac
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 3 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: 2.36 cal/cm2
Arc Flash Boundary: 26 in
Working Distance: No Arc Flash Hazard Present
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: Rm 156B
Emergency Number to Call: 911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: By Rm 142 in Area 123 by stairwell
Fire Extinguisher Location: On 79A exterior wall by 77L shed
Contact release method available and tested: Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Confined space

Error Precursors

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

Will be cautious and aware

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