动火作业程序英文版.doc

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动火作业程序英文版
（hot work program)
Hot Work Permit Program
This program establishes written procedures to prevent fires resulting from temporary operations
involving an open flame or that produce heat, sparks, or hot slag. This includes, but is not limited
to brazing, cutting, grinding, soldering, thawing pipes, torch applied roofing, and welding. This
written program requires the issuance of a Hot Work Permit before beginning any hot work.
Scope
This program applies to University of New Hampshire employees and contractors who perform
or supervise hot work activities in existing buildings, new construction in existing buildings, and
new construction attached to existing buildings.
This program does not apply to areas that are specifically designed and equipped for such
operations, e.g., designated welding areas.
Responsibilities
Department
Recognize its responsibility for the safe use of cutting and welding equipment in their area;
Establish designated areas for cutting and welding;
Ensure hot work procedures are being implemented and followed in other than designated
areas;
Ensure that supervisors, cutters and welders, are suitably trained in the operation of the
equipment and the safe use of the process
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Supervisor/Project Manager
Ensure that all employees and contractors are following hot work procedure;
Ensure that a hot work permit is issued prior to the start of work;
Ensure that all cutting and welding equipment is in satisfactory condition and in good repair;
Ensure that employees are suitably trained in the operation of the equipment and safe use of
the process;
Ensure that contractors follow University procedures.
Employee
Follow and use hot work procedures;
Obtain a hot work permit prior to starting work;
Ensure that all cutting and welding equipment is in satisfactory condition and in good repair;
Attend and actively participate in training sessions; and
Protect nearby personnel and passers by against heat, sparks, etc. when working in occupied
buildings.
Office of Environmental, Health and Safety
Shall supply Hot Work Permit forms;
Provide assistance with program implementation and administration;
Provide assistance in training supervisors, employees, and project managers;
Update Hot Work Program as needed
Procedures
Hot work should not be performed if the work can be avoided or performed in a safer manner.
When practical, objects to be welded, cut, or heated must be moved to a designated safe location,
e.g., a designated welding area.
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1) A Hot Work Permit must be acquired before the hot work begins (Appendix A). A Hot
Work Permit form can be obtained through:
EH&S website: http://www.unh.edu/ehs/occsafety/pf/
Occupational Health and Safety Coordinator 862-4761
2) Both sides of the form must be filled out completely and all the precautions on the Hot
Work Permit must be met prior to performing any hot work. The Hot Work Permit will
be issued by the project manager or supervisor, and is valid only for the date(s) and time
specified on the permit. A copy of the permit must remain at the hot work location until
the hot work is completed. A copy of the permit will be filed with the project manager or
supervisor.
3) All-new construction and whole-building renovations may be covered under a blanket hot
work permit. However, the same precautions used during the initial permit issue must be
reviewed prior to each hot work project.
4) All personnel (employees, contractors, building occupants) must be suitably protected
against hazards generated by the work, e.g., heat, sparks, fumes, welding rays, etc. This
may include, but is not limited to, the use of personal protective equipment, shields,
screens, or local exhaust ventilation.
5) The Durham Fire Department (862-1426) must be notified as to the location, date & time
of “hot work” procedures prior to the begin of work. If a blanket hot work permit will be
issued for an all-new construction or whole-building renovation, this information must be
supplied as well.
6) If fire alarms need to be temporarily disarmed, contact the Facilites Support Center
(FSC) at 862-1437. They will contact the fire system contractor for the University.
7) When hot work is completed, the project manager or supervisor will call Durham Fire
Department to advise them. Facilities Support Center must be advised as well to
notify the fire system contractor to turn the fire alarms back on. Any discharged
extinguishers must be reported at the expiration of the permit.
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Prohibited Conditions
A Hot Work Permit will not be issued if ANY of the following conditions exist:
Sprinkler protection is impaired;
Appropriate fire fighting equipment is not readily available;
Combustible or flammable materials are within 35 feet and cannot be moved or protected;
Floor and wall openings cannot be covered;
Cutting or welding on pipes or other metals can conduct enough heat to ignite nearby
combustible materials; or
Any condition that could result in undue hazards by performing the work.
Fire Watch
Must not be actively engaged in any operation or work during Permit activity
Ensure proper fire fighting equipment is readily available (i.e. appropriate extinguisher for
type of operation and material)
Locate the nearest fire alarm pull station;
Inspect hot work area before any hot work is conducted;
Extinguish a fire ONLY when it is safe to do so and within trained capabilities.
NOTE: A Fire Watch is REQUIRED to remain in the area for 30 minutes after operations cease
whenever protective measures are necessary for the following conditions:
Considerable combustible material is within 35 feet of the point of operation;
Considerable combustibles more than 35 feet away may be easily ignited by sparks;
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Wall or floor openings within 35 feet expose combustibles in adjacent areas including
confined spaces;
Combustibles could be ignited by conduction or radiation through metal partitions, walls,
ceilings, or roofs.
Contractor Work
University of New Hampshire project managers are responsible for ensuring that outside
contractors follow proper hot work procedures when working on University property.
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Appendix A University of New Hampshire
Cutting – Welding – Hot Work
Permit
Date ____/____/____
Permit Expires ____/____/____
Notified Durham Fire Department
Building/Location __________________________________________________________
Floor/Department __________________________________________________________
Time Started ____:____ am pm Time Completed ____:____ am pm
Work to be accomplished _____________________________________________________
__________________________________________________________________________
__________________________________________________________________________
__________________________________________________________________________
If working in the general area of a smoke detector which may be activated by this work, call the
Facilities Support Center (862-1437) prior to beginning and at the end of this project. They will
advise the alarm contractor who can take the device out of service for the duration of the project.
In case of emergency on campus, call 911.
Off campus, 911 or use alarm box located at __________________________________________
IMPORTANT
Precautions listed on the reverse side have been completed, therefore, permission is granted for this work.
_________________________________________ ___________________________________
Signature Title
Campus Emergency Phone 911
Off Campus Emergency Phone 911
Durham Fire Department 862-1426
Prevent Fires
1. Prior to initiating project, advise Durham Fire Department.
2. All welding/cutting operations carried on in confined space shall be ventilated to prevent
accumulation of toxic substances or possible oxygen deficiency. (RSA 277 LAB 1403.82)
3. Where impossible to provide such ventilation, airline respirators or hose masks, labeled
approved by (MSHA) Mine Safety & Health Administration shall be used.
4. In areas immediately hazardous to life, hose masks with blowers or self-contained breathing
equipment labeled approved by MSHA shall be used.
5. Where welding operations are conducted in confined spaces and welders/helpers are provided
hose masks, hose masks with blowers or self-contained breathing equipment, a worker shall be
stationed outside confined space to ensure safety of those working within.
6. Flame or spark-producing equipment has been inspected and found in good repair.
7. Sprinklers are in commission and will not be taken out of service while work is being performed.
8. No combustible fibers, dusts, vapors, or gases of liquids in the area. Tanks and equipment
previously containing such materials have been purged. Absence of gases or vapors has been
verified by combustible gas detection instrument. If there is a possibility of a leak developing in
nearby piping, equipment or tanks, the area will be continuously monitored.
9. Work will be confined to the area of equipment specified on this permit. Blanket permits may be
issued for all-new construction or whole-building renovation. However, all the precautions listed
on this permit must be reviewed prior to each hot work project.
10. Surrounding floors have been swept clean, and if combustible, wet down.
11. Ample portable extinguishing equipment, i.e., as hand hose or extinguishers have been provided.
12. All combustibles have been relocated 35 feet from the operation and remainder protected with
metal guards or flame proofed curtains or covers (not ordinary tarpaulins).
13. All floor and wall openings within 35 feet of operation have been tightly covered.
14. Responsible personnel assigned to watch for dangerous sparks in work area, as well as floors
above and below (Fire Watch RSA 277.1403.81)
15. Arrangements made for patrol or area, including floors above and below, during lunch or rest
period, and minimum or one half hour after work has been completed.
16. Advise Durham Fire Department of project completion.

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