Scope of Work:Inspection BJ1--28/30 Air Flow Switch
General Information
Work Order
NA
Building
88
Person in Charge
Michel Kireeff Covo
Lead / Supervisor
Other
Logged Email
mkireeffcovo@lbl.gov
Division
Other
Work Planning
Modes of Work
☑ Mode 0 - Electrically Safe Work Condition ☑ Mode 1 - LOTO & Zero Voltage Verification
QEW Level
QEW 1
Second Person Requirement
Not Required
Second Person Identified
NA
Other Participants
Brendan Ford, Brien Ninemire, Erik Line, Michel Kireeff Covo
Affected Persons Notified
Yes
System / Equipment
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 Briefing
PIC Conducts the Job Briefing. Cover all the contents of the Job Safety Plan.
A Job Briefing at a minimum must include:
Detailed Scope of Work
Shock and arc flash hazards for each task
Controls to mitigate the hazards (procedures, precautions, energy source controls, PPE requirements)
Work area controls (barricades, signs, attendants)
