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QEW 1 / 2 / 3 Job Safety Plan

Electrical Safety
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Time / Date: 3/6/2023 19:58:23
JSP ID: 697
Scope of Work: Install AHU door interlocks and BMS control modifications to stop power to AHU fans when AHU doors are opened if AHU is running

General Information

Work Order
None
Building
-
Person in Charge
Ernie Jew
Lead / Supervisor
Grounds, Jeff
Logged Email
ejew@lbl.gov
Division
Facilities

Work Planning

Modes of Work
☑ Mode 0 - Electrically Safe Work Condition
☑ Mode 1 - LOTO & Zero Voltage Verification
QEW Level
QEW 2
Second Person Requirement
Standby Person
Second Person Identified
AJ Palengan
Other Participants
Ryan Buffington Adam Armstrong
Affected Persons Notified
Yes

System / Equipment

Switching
Non-Hazardous Switching
Panel / Equipment ID
E590A7A
System Information Review
☑ 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
Notify Control room operator Set up LOTO work zone with warning tape and signage Perform LOTO briefing Turn off AHU 17 on BMS Turn of AHU 17 at VFD Open disconnect for AHU 17 at VFD Turn off AHU 17 at VFD display Open disconnect for for AHU 17 at VFD Open breaker 596A1A4A - 4 Hang RI lock and Tag Verify ZVV at AHU 17 VFD Have workers join LOTO Perform work Notify control room operator Release LOTO Close breaker 596A1A4A - 4 Close disconnect in AUTO at VFD display Place AHU 17 in AUTO in BMS Verify door interlocks are working as planned Remove Warning tape End of job

Control of Work Area

Minimum Approach Boundary
42"
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
No
Voltage Glove Class
00
Will any other part of the body enter the RAB
No

Arc Flash Risk Assessment

Incident Energy
3.8 cal/cm2
Arc Flash Boundary
37"
Working Distance
18 inches
Arc Flash PPE Level
1
Incident Energy Reduction Measures
00

Capacitor Hazards

Capacitor Bus Voltage
NA
Capacitor Total Stored Energy (Joules)
NA
Discharge Wait Time (Minutes)
NA

Emergency Response Plan

Nearest Landline Location
Container office
Emergency Number to Call
911
Sufficient Cell Phone Signal
Clear Exit Path
Yes
AED Location
3rd floor hallway at men's room
Fire Extinguisher Location
Inside UPS room door
Contact Release Method Available and Tested
Rescue hook

Environmental Conditions

Does the environment present additional hazards that should be addressed?
None

Error Precursors

Task Demands
Simultaneous or multiple tasks
Work Environment
Individual Capabilities
Human Nature
Error Precursor Mitigations
Possible multiple tasks. Call Jeff Grounds to take on other 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 Briefing

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 2026.03.17.1
Form Content and Feedback Contact: Michael Rose -- mvr@lbl.gov