HOT WORK PERMIT
STOP!
Avoid hot work when possible! Consider using an alternative cold work method.
This Hot Work Permit is required for any temporary operation involving open flames or producing heat and/or sparks conducted outside a
Hot Work Designated Area. This includes, but is not limited to brazing, cutting, grinding, soldering, torch-applied roofing and welding.
Part 1
Instructions for Permit Authorizer Y NA
Required Precautions
1. Specify the precautions to take. nn The fire pump is in operation and switched to automatic.
2. Fill out and keep Part 1 during the hot work process. nn Control valves to water supply for sprinkler system are open.
3. Issue Part 2 to the person doing the job. n Extinguishers are in service/operable.
4. Keep Part 2 on file for future reference, including signed confirmation n Hot work equipment is in good working condition.
that the post-work fire watch and monitoring have been completed.
5. Sign off the final check on Part 2. Requirements within 35 ft. (10 m) of hot work
n n Shield combustible construction using listed (e.g.,
FM Approved) welding pads, blankets and curtains.
HOT WORK BY n n Remove or shield nonremovable combustibles using listed
Employee (e.g., FM Approved) welding pads, blankets and curtains.
Contractor n n Isolate potential sources of flammable gas, ignitable liquid
DATE JOB NUMBER or combustible dust/lint (e.g., shut down equipment).
n n Remove ignitable liquid, combustible dust/lint and combustible residues.
n n Shut down ventilation and conveying systems.
LOCATION OF WORK (BUILDING/FLOOR/OBJECT)
n n Remove combustibles and consider a second fire watch on opposite
side of floor, wall, ceiling or roof when openings exist or thermally
WORK TO BE PERFORMED conductive materials pass through.
n n Is work on a combustible building assembly (e.g., torch-applied roofing)?
NAME OF PERSON PERFORMING HOT WORK If yes, provide ADDITIONAL REQUIRED PRECAUTIONS below.
Hot work on/in closed equipment, ductwork or piping
NAME OF PERSON PERFORMING FIRE WATCH n n Isolate equipment from service.
n n Remove ignitable liquid and purge flammable gas/vapor.
I verify the above location has been examined, the Required Precautions n n Prior to work, and/or during work, monitor for flammable gas/vapor.
have been taken, and permission is authorized for this work. LEL reading(s):
n n Remove combustible dust/lint or other combustible materials.
PERMIT AUTHORIZER (PRINT AND SIGN)
n n Is work on/in equipment with nonremovable combustible linings or
parts? If yes, provide ADDITIONAL REQUIRED PRECAUTIONS below.
Fire watch/fire monitoring the hot work area
THIS PERMIT EXPIRES ON (LIMIT AUTHORIZATION TO ONE SHIFT): Times listed are sufficient for majority. Use Table at back of permit for
guidance for combustible concealed cavities, roof work or favorable
DATE: TIME: AM PM factors.
Note: Emergency notification on back of form. n Perform a continuous fire watch during hot work.
Note: Emergency notification on back of form. n Perform a continuous fire watch post-work for
Additional FM Resources:
Use as appropriate for your facility. n 1 hour or Other ___ hours.
Property Loss Prevention Data Sheet 10-3, Hot Work Management n n Perform fire monitoring for
Hot Work Permit form (F2630) via fmcatalog.com
n 3 hours or Other ___ hours.
Online training at fm.com/training-center
FM Approved equipment via fmapprovals.com ADDITIONAL REQUIRED PRECAUTIONS:
F2630 © 2018 - 2024 Factory Mutual Insurance Company
All rights reserved. (Rev. 08/2024)
WARNING
HOT WORK IN PROGRESS! Watch for fire!
Part 2
Instructions Required Precautions
Y NA
erson performing hot work: Record time started and display permit at
P
nn The fire pump is in operation and switched to automatic.
hot work area. After hot work is completed, record time and leave permit
nn Control valves to water supply for sprinkler system are open.
displayed for fire watch.
n Extinguishers are in service/operable.
Fire watch: Watch area during hot work and after work completion. Prior
n Hot work equipment is in good working condition.
to leaving area, perform final inspection, sign, leave permit displayed and
notify Fire Monitor or Permit Authorizer. Requirements within 35 ft. (10 m) of hot work
F ire monitor: Monitor area after post-work fire watch completion. n n Shield combustible construction using listed (e.g.,
Perform final inspection, sign and return to Permit Authorizer. FM Approved) welding pads, blankets and curtains.
HOT WORK BY n n Remove or shield nonremovable combustibles using listed
Employee (e.g., FM Approved) welding pads, blankets and curtains.
Contractor n n Isolate potential sources of flammable gas, ignitable liquid
DATE JOB NUMBER or combustible dust/lint (e.g., shut down equipment).
n n Remove ignitable liquid, combustible dust/lint and combustible residues.
n n Shut down ventilation and conveying systems.
LOCATION OF WORK (BUILDING/FLOOR/OBJECT)
n n Remove combustibles and consider a second fire watch on opposite
side of floor, wall, ceiling or roof when openings exist or thermally
WORK TO BE PERFORMED conductive materials pass through.
n n Is work on a combustible building assembly (e.g., torch-applied roofing)?
NAME OF PERSON PERFORMING HOT WORK If yes, provide ADDITIONAL REQUIRED PRECAUTIONS below.
Hot work on/in closed equipment, ductwork or piping
NAME OF PERSON PERFORMING FIRE WATCH n n Isolate equipment from service.
n n Remove ignitable liquid and purge flammable gas/vapor.
I verify the above location has been examined, the Required Precautions n n Prior to work, and/or during work, monitor for flammable gas/vapor.
have been taken, and permission is authorized for this work. LEL reading(s):
n n Remove combustible dust/lint or other combustible materials.
PERMIT AUTHORIZER (PRINT AND SIGN)
n n Is work on/in equipment with nonremovable combustible linings or
parts? If yes, provide ADDITIONAL REQUIRED PRECAUTIONS below.
Fire watch/fire monitoring the hot work area
THIS PERMIT EXPIRES ON (LIMIT AUTHORIZATION TO ONE SHIFT): Times listed are sufficient for majority. Use Table at back of permit for
guidance for combustible concealed cavities, roof work or favorable
DATE: TIME: AM PM factors.
Hot Work Date: Start Time: AM PM n Perform a continuous fire watch during hot work.
Finish Time: AM PM n Perform a continuous fire watch post-work for
Post-Work Fire Watch Finish Time: AM PM n 1 hour or Other ___ hours.
n n Perform fire monitoring for
Performed By
n 3 hours or Other ___ hours.
Fire Monitor n Person n Other Finish Time: AM PM
ADDITIONAL REQUIRED PRECAUTIONS:
Name/Other
Final Check Time: AM PM
Name
F2630 © 2018 - 2024 Factory Mutual Insurance Company
All rights reserved. (Rev. 08/2024)
WARNING
HOT WORK IN PROGRESS!
Watch for fire!
In case of emergency, call the contacts listed below before attempting to extinguish the fire.
Contact Number
Construction and Occupancy Factors for Post-Work Fire Watch and Monitoring Periods
Construction Factors
Noncombustible construc- Combustible construction Combustible construction
tion or FM Approved Class without concealed cavities with unprotected
1 building materials concealed cavities
Watch Monitor Watch Monitor Watch Monitor
Noncombustible with any combustibles 30 minutes 0 hours 1 hour 3 hours 1 hour 5 hours
contained within closed equipment
(e.g., ignitable liquid within piping)
Occupancy Factors
Office, retail or manufacturing with limited 1 hour 1 hour 1 hour 3 hours 1 hour 5 hours
combustible loading
Manufacturing with moderate to significant 1 hour 2 hours 1 hour 3 hours 1 hour 5 hours
combustible loading except as noted below
Warehousing 1 hour 2 hours 1 hour 3 hours 1 hour 5 hours
Exceptions: Occupancies with processing 1 hour 3 hours 1 hour 3 hours 1 hour 5 hours
or having bulk storage of combustible
materials capable of supporting slow-
growing fires (e.g., paper, pulp, textile fibers,
wood, bark, grain, coal or charcoal)
When performing torch-applied roofing, apply additional precautions and conduct a minimum 2-hour fire watch and 2 hours fire monitoring.
If an infrared camera is utilized, reduce to a 1-hour fire watch and 1 hour fire monitoring.
hen performing hot work on/in equipment containing nonremovable combustible linings or parts, apply additional precautions and conduct a
W
minimum 1-hour fire watch and 3 hours fire monitoring within the equipment, and in the surrounding areas per Table above.
