Scope of Work:Commission replacement VFD for Sharp Lathe
General Information
Work Order
None
Building
77
Person in Charge
Ari Harding
Lead / Supervisor
Other
Logged Email
aharding@lbl.gov
Division
Other
Work Planning
Modes of Work
☑ Mode 0 - Electrically Safe Work Condition ☑ Mode 1 - LOTO & Zero Voltage Verification ☑ Mode 2 - Energized Diagnostics ☑ Testing and Troubleshooting ☑ Visual Inspection
QEW Level
QEW 1
Second Person Requirement
Standby Person
Second Person Identified
Ohmar Sowle
Other Participants
Affected Persons Notified
Yes
System / Equipment
Switching
Non-Hazardous Switching
Panel / Equipment ID
SHARP 1118H-CNC fed from 83A-27
System Information Review
☑ Manuals
Control of Hazardous Energy
Simple LOTO
Equipment Condition
☑
Sequence of Job Steps
List basic sequence of steps from start to finish
Check LOTO
Check wiring, close covers
Notify Gabor
Set barricade for mode 2 work
Check vfd settings
Control of Work Area
Minimum Approach Boundary
42
Barricade Tape / Attendant
Danger - Red
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
0
Will any other part of the body enter the RAB
No
Arc Flash Risk Assessment
Incident Energy
3.99 at the switch cal/cm2
Arc Flash Boundary
35 inches
Working Distance
18 inches
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
Office
Emergency Number to Call
911
Sufficient Cell Phone Signal
Yes
Clear Exit Path
Yes
AED Location
By door
Fire Extinguisher Location
On beam by work
Contact Release Method Available and Tested
Upstream breaker or switch
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
None
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)
