Time / Date: 8/22/2023 7:44:06
JSP ID: 1437
Scope of Work: Perform switching on circuit 1,3 and 33 in panel 278A, establish LOTO, perform ZVV and have other parties involved join LOTO.
Work Order: 336021
Building: 6
Person in Charge: Everett Combs
Lead / Supervisor: Combs, Everett
Logged Email: RobertRalph@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: Chris Nelson
List Other Participants:
Affected Persons Notified: Yes
Switching: Non-Hazardous Switching
Panel / Equipment ID: 278A
System Information Review: Panel Schedules
Control of Hazardous Energy: Complex LOTO w/ RI
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.)Put on proper PPE, 2.)turn off circuits 1,3,and 33 3.)Establish LOTO on circuit 1,3,and33 4.)Perform ZVV to ensure circuits ate in fact turned off.5.) work can begin on affected receptacles and equipment. 6.) When work is completed locks will be removed 7.) Circuits will be turned on and verified everything is working properly.

Control of Work Area

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

Shock Risk Assessment

System Voltage: 120/208 V ac
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 12 inches
Will the hands enter the RAB: Yes
Voltage Glove Class: 00
Will any other part of the body enter the RAB: No

Arc Flash Risk Assessment

Incident Energy: 1.2 cal/cm2
Arc Flash Boundary: 1’6”
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: Close by
Emergency Number to Call: 911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: Lobby of B6
Fire Extinguisher Location: 30’ away on the outside wall
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:

Went over any precursors to mitigate them so we could move forward.

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