|
Time / Date: 1/16/2024 17:29:11
|
JSP ID: 2088
|
|
Scope of Work: B6, Panel 301A2A LOTO & ZVV. Work to be performed will include LOTO of the bank protective device (301A-2 FDR), ZVV, disconnection of associated 4/0 conductors, pulling back of conductors and reconfiguration/re-work of EMT, repull of conductors and reconnection at panel. No configuration change, no installations, no removals. The intent of the work is to re-work existing EMT because it is in the way of ALS-U AR racks assemblies.
|
|
|
Work Order: WO362585
|
Building: 6
|
|
Person in Charge: Greg Mannino
|
Lead / Supervisor: Other
|
|
Logged Email: Gdmannino@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:
|
|
|
List Other Participants:
|
|
|
Affected Persons Notified: Yes
|
|
|
Switching: Hazardous Switching
|
Panel / Equipment ID: 301A2A
|
|
System Information Review: Single Line Drawing, Panel Schedules, Arc Flash Labels
|
|
|
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 Prep and install future EMT using new routing path (can be performed anytime) 2 Coordinate powering off of all associated equipment 3 LOTO upstream disconnection device (on shutdown day, steps 3-10) 4 Verify zero power at 301A2A 5 Disconnect associated conductors at panel 301A2A 6 Pull conductors up to APEX roof (to make room to reconfigure EMT) 7 Re-pull conductors into reconfigured EMT and back into 301A2A 8 Reconnect conductors using previous arrangement 9 Remove LOTO 10 Re-energize 11 Demo old EMT. |
Control of Work Area
|
Minimum Approach Boundary: 76
|
|
Barricade Tape / Attendant: Danger - Red
|
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: 10.6 cal/cm2
|
|
Arc Flash Boundary: 68
|
|
Working Distance: 18 inches
|
|
Arc Flash PPE Level: 3
|
|
Incident Energy Reduction Measures: 0
|
Capacitor Hazards
|
Capacitor Bus Voltage:
|
|
Capacitor total stored energy (joules):
|
|
Discharge wait time (minutes):
|
Emergency Response Plan
|
Nearest Landline Location: WIthin 10'
|
|
Emergency Number to Call: 911
|
|
Sufficient cell phone signal? Yes
|
|
Clear exit path? Yes
|
|
AED Location: Lobby of B15
|
|
Fire Extinguisher Location: within 20'
|
|
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:
Keep focused and alert while performing work |
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:
Rev 2023.08.22.1 Form Content and Feedback Contact: Michael Rose -- mvr@lbl.gov |