Time / Date: 4/25/2023 12:21:04
JSP ID: 938
Scope of Work: Troubleshoot non operating 480VAC controller in B77-156 UHV cleaning room.
Work Order:
Building:
Person in Charge: Jaime Romo
Lead / Supervisor: Other
Logged Email: jromo@lbl.gov
Division: Facilities
QEW Level: QEW 2
Modes of Work: Mode 0 - Electrically Safe Work Condition, Mode 1 - LOTO & Zero Voltage Verification
Second Person Requirement: Standby Person
Second Person Identified: Pardeep Chahal
List Other Participants: N/A
Affected Persons Notified: N/A
Switching: Hazardous Switching
Panel / Equipment ID: 72A9A11A
System Information Review: Panel Schedules, Arc Flash Labels
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) Open panel door at panel #72A9A11A. Switch off CB's 1,3,5 (switching guide #9) and perform LOTO (LOTO card) Mode 1. 2) Wear appropriate PPE and open 480VAC control panel door. 3) Visually inspect the electrical items in the control box and ZVV (pocket guide A.4) Mode 1, verify electrically safe condition (Mode 0) Check fuse(s) etc. in 480VAC control enclosure. 5) Replace fuse(s) close 480VAC control enclosure and remove LOTO (LOTO card) 6) Check if the 480VAC control panel is working.

Control of Work Area

Minimum Approach Boundary: 42 inches
Barricade Tape / Attendant: Warning - Orange

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: .98 cal/cm2 cal/cm2
Arc Flash Boundary: N/A
Working Distance: 18 inches
Arc Flash PPE Level: Minimum PPE for Electrical Work
Incident Energy Reduction Measures: 0

Capacitor Hazards

Capacitor Bus Voltage: N/A
Capacitor total stored energy (joules): N/A
Discharge wait time (minutes): N/A

Emergency Response Plan

Nearest Landline Location: In the office
Emergency Number to Call: 510-486-7911
Sufficient cell phone signal? Yes
Clear exit path? Yes
AED Location: Machine shop
Fire Extinguisher Location: Room 156
Contact release method available and tested: Voltage gloves

Environmental Conditions

Does the environment present additional hazards that should be addressed?

Insufficient/cramped/awkward space, Noisy environment

Error Precursors

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

Take it slow and one step at a time. Follow the QEW 2 pocket guide.

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,
Insulated tools,
Multimeter and other electrical test instruments

Notes / Other

This JSP is not being used or followed to perform work. This particular one is for training purposes only. J Romo 04/25/2023

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