Time / Date: 7/8/2024 12:37:44
JSP ID: 2739
Scope of Work: LOTO/ZVV of panel S026117
Work Order: 378442
Building: B6
Person in Charge: Greg Neidiger
Lead / Supervisor: Combs, Everett
Logged Email: gcn@lbl.gov
Division: ALS
QEW Level: QEW 2
Modes of Work: Mode 1 - LOTO & Zero Voltage Verification
Second Person Requirement: Standby Person
Second Person Identified: Dave Davis
List Other Participants:
Affected Persons Notified: Yes
Switching: Non-Hazardous Switching
Panel / Equipment ID: 314A-28
System Information Review: Panel Schedules, 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.

1) Perform switching 2) apply locks 3) verify zero voltage at panel bus bar

Control of Work Area

Minimum Approach Boundary: 9’2”
Barricade Tape / Attendant: Attendant

Shock Risk Assessment

System Voltage: 120/208 V ac
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: 23.3 cal/cm2
Arc Flash Boundary: 9ft 2in
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: Adjacent to work area
Emergency Number to Call: 911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: Adjacent to work area
Fire Extinguisher Location: Adjacent to work area
Contact release method available and tested: Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Lookalike equipment

Error Precursors

Task Demands: Time pressure (in a hurry)
Work Environment:
Individual Capabilities:
Human Nature:
Error Precursor Mitigations:

There is limited time left in the day to implement several LOTOs. After discussing with lead and supervisor we were told we only need to begin work today and under no circumstances do we need to rush.

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