Time / Date: 7/30/2024 7:12:03
JSP ID: 2785
Scope of Work: replace wiring harness in control panel
Work Order: 393411
Building: 34
Person in Charge: Justin walker
Lead / Supervisor: Delgado, Alex
Logged Email: jwwalker@lbl.gov
Division: Facilities
QEW Level: QEW 2
Modes of Work: Mode 0 - Electrically Safe Work Condition, Mode 1 - LOTO & Zero Voltage Verification
Second Person Requirement: Safety Watch
Second Person Identified: Mike capeto
List Other Participants:
Affected Persons Notified: Yes
Switching: Hazardous Switching
Panel / Equipment ID: 309A
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.

Go over job scope. Gather information and perform shock hazard and arc flash hazard assessment. And establish correct ppe. Contact user. Conduct a safety briefing. Perform switching. Apply loto and verify zvv. Perform repair . Remove loto and restore power. Check operations and return equipment back to service.

Control of Work Area

Minimum Approach Boundary: 78 inches
Barricade Tape / Attendant: Attendant

Shock Risk Assessment

System Voltage: 277/480 V ac
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 12 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: 12.3 cal cm2 cal/cm2
Arc Flash Boundary: 78 inches
Working Distance: 18 inches
Arc Flash PPE Level: 4
Incident Energy Reduction Measures: 0

Capacitor Hazards

Capacitor Bus Voltage: 480 v
Capacitor total stored energy (joules): 264 joules
Discharge wait time (minutes): 20 minutes

Emergency Response Plan

Nearest Landline Location: East wall in mechanical roo
Emergency Number to Call: 911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: Portable hvac AED on site
Fire Extinguisher Location: Mechanical room entrance
Contact release method available and tested: Rescue hook, Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Lookalike equipment

Error Precursors

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

No current erro precursors

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