Time / Date: 3/3/2025 18:36:12
JSP ID: 3466
Scope of Work: Inspection BJ1--28/30 Air Flow Switch
Work Order: NA
Building: 88
Person in Charge: Michel Kireeff Covo
Lead / Supervisor: Other
Logged Email: mkireeffcovo@lbl.gov
Division: Other
QEW Level: QEW 1
Modes of Work: Mode 0 - Electrically Safe Work Condition, Mode 1 - LOTO & Zero Voltage Verification
Second Person Requirement: Not Required
Second Person Identified: NA
List Other Participants: Brendan Ford, Brien Ninemire, Erik Line, Michel Kireeff Covo
Affected Persons Notified: Yes
Switching: Non-Hazardous Switching
Panel / Equipment ID: Main Magnet Power Supply
System Information Review: Single Line Drawing
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. Turn off Main Magnet Power supply 2. Notify control Room 3. LOTO Control Power A3032 P[2] 18 4. Open side of the enclosure and inspect the BJ1--28/30 Air Flow Switch 5. If needed, step aside and turn on the blower to check if the switch closes 6. Repair the switch if needed 7. Turn off the blower 8. Place cover back 9. Remove LOTO and restore Control Power A3032 P[2] 18 10. Notify control Room 11. Turn on Main Magnet Power supply

Control of Work Area

Minimum Approach Boundary: 42"
Barricade Tape / Attendant:

Shock Risk Assessment

System Voltage: 120 Vac
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: NA cal/cm2
Arc Flash Boundary: NA
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: NA
Capacitor total stored energy (joules): NA
Discharge wait time (minutes): NA

Emergency Response Plan

Nearest Landline Location: PIT phone
Emergency Number to Call: X911
Sufficient cell phone signal? No
Clear exit path? Yes
AED Location: Building Entrance
Fire Extinguisher Location: Corridor
Contact release method available and tested: Upstream breaker or switch

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Insufficient lighting, Fall hazard

Error Precursors

Task Demands:
Work Environment:
Individual Capabilities: Unfamiliar with, or first time performing task
Human Nature:
Error Precursor Mitigations:

First time performing task- the air flow switch location will be recorded for next time.

PPE Inspections

Safety glasses (ANSI Z87),
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