Time / Date: 10/25/2023 16:59:10
JSP ID: 1750
Scope of Work: Replace Rectifier Flow Switch - 8W598 Section D
Work Order: NA
Building: B88
Person in Charge: Ken Lambert
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: MIchel Kireeff COvo
Affected Persons Notified: Yes
Switching: Non-Hazardous Switching
Panel / Equipment ID: Bending Magnet EE40
System Information Review: print 8W598
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.

Inform Control Room intention of applying the LOTO, Secure the power suply, Isolate the supply and return, LOTO E120 [2] - 1, Open flow switch cover, ZVV, Remove wiring, Replace with new flow switch, Rewire, Place back flow switch cover, Return water to the circuit, Check for leaks, Inform control Room intention of removing the LOTO, Remove LOTO, Test power supply

Control of Work Area

Minimum Approach Boundary: 42
Barricade Tape / Attendant: Attendant

Shock Risk Assessment

System Voltage: 120 Vac
Limited Approach Boundary: 42 inches
Restricted Approach Boundary: 3 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: Switching Gear Room, next to the door
Emergency Number to Call: 911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: Front of the building
Fire Extinguisher Location: Switching Gear Room, next to the door
Contact release method available and tested: Voltage gloves

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),
Arc-rated clothing (flash suit,
daily wear) including face shield,
balaclava,
hood.,
Rubber insulating gloves and leather protectors,
Non-melting footwear that fully covers the feet,
Removal of conductive articles,
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