Time / Date: 7/3/2024 10:00:57
JSP ID: 2727
Scope of Work: Remove circuits from furniture on second floor cubicals.
Work Order: 367360
Building: ALS 6
Person in Charge: Christopher Nelson
Lead / Supervisor: Combs, Everett
Logged Email: cnelson@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: Robert Ralph
List Other Participants:
Affected Persons Notified: Yes
Switching: Non-Hazardous Switching
Panel / Equipment ID: 347A28A
System Information Review: Panel Schedules, Arc Flash Labels
Control of Hazardous Energy: Complex LOTO (requires LP, CLP, FLP)
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.

Briefing with lead fill out JSP use PPE and LOTO fill out als complex LOTO procedure form. Briefing with all parties before switching and LOTO. Switch the circuits on the LOTO procedure. Lock out tag out and then ZVV if there are unknown circuits still on during ZVV stop work and contact the lead. If all circuits are off proceed with disconnecting circuits from the cubical. When it is in electrically safe condition remove LOTO and re energize or leave off and replace LOTO locks with admin locks.

Control of Work Area

Minimum Approach Boundary: 42”
Barricade Tape / Attendant: Warning - Orange

Shock Risk Assessment

System Voltage: 120 Vac
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 12 inches
Will the hands enter the RAB: No
Voltage Glove Class: 0
Will any other part of the body enter the RAB: No

Arc Flash Risk Assessment

Incident Energy: .13 cal/cm^2 cal/cm2
Arc Flash Boundary: 5 inches
Working Distance: 18 inches
Arc Flash PPE Level: 2
Incident Energy Reduction Measures: 0

Capacitor Hazards

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

Emergency Response Plan

Nearest Landline Location: Room 2101 copy room next to the work
Emergency Number to Call: 911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: Just downstairs in lobby
Fire Extinguisher Location: In room of the ZVV work
Contact release method available and tested: Upstream breaker or switch, Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?

None

Error Precursors

Task Demands: Time pressure (in a hurry)
Work Environment: Distractions/interruptions
Individual Capabilities: Imprecise communication habits
Human Nature: Habit patterns
Error Precursor Mitigations:

Be aware and in communication with the second person at all times keep a level head and keep on the task don’t think about the early release and holiday

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,
Heavy duty leather cloves

Notes / Other

Be safe

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