Hot-Work-Training.ppt

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1、7/3/20222Importance of fire prevention during hot work operationsRegulatory backgroundOSHAs welding, cutting, and brazing standardNFPAs standard for fire prevention during welding, cutting, and other hot workBGSUs written Hot Work ProgramImplementation assistance7/3/20223Hot Work is any work involvi

2、ng burning, welding, or similar operations that are capable of initiating fires or explosions. This program shall cover the following hot work processes:Welding and Allied ProcessesHeat TreatingGrindingThawing PipePowder-Driven FastenersHot RivetingSimilar Applications Producing a Spark, Flame or He

3、at7/3/20224May, 2001 University of KentuckyA building that housed the university president and other offices was destroyed by a fire that apparently was started by welding on the roof. The building, which had been constructed in 1882, was undergoing a $1.3 million renovation.7/3/20225April, 2003Univ

4、ersity of FloridaSparks from welding equipment caused a fire that forced the evacuation of several hundred people at the J. Hillis Miller Science Center. The fire started while a worker was repairing the ventilation system. Two people complained of smoke inhalation and all the research animals were

5、exposed to the smoke.7/3/20226June, 2003St. Johns UniversityAn electrical worker was burned when a fire broke out in the basement of a dormitory. The electrical worker was installing equipment to improve cell-phone reception. Two workers were standing side by side using handheld tools that emitted s

6、parks. Sparks from the tools fell into a bucket containing glue, creating the fire.7/3/20227June, 2003Arizona State UniversityA dorm that was under construction erupted into fire when a spark from a welding torch started the fire. The dormitory was completely destroyed. Fortunately, no injuries were

7、 reported.7/3/20228During welding work at a refinery in Korea, a fire broke out in the cooling tower block of the power supply plant and spread over the entire complex at an incredible speed. 7/3/20229Occupational Safety and Health Act of 1970Occupational Safety and Health Administration (OSHA)Publi

8、c Employees Risk Reduction Act of 1994Public Employees Risk Reduction Program (PERRP)7/3/202210Required basic precautions including:- responsibility for hot work;- protection of personnel;- removing, guarding, or shielding combustibles;- trained and equipped fire watch/es;- designated welding areas;

9、- authorized written hot work permits and;- training and communication.7/3/202211Policy StatementForwardObjectiveApplicability7/3/202212Responsibilities- Occupational Safety and Health Specialist- Fire Safety Officer- Office of Design and Construction- Outside Contractors- Management- Permit Authori

10、zing Individual (PAI)- Fire Watch- Supervisors- Employees (Hot Work Operators)7/3/202213Occupational Safety and Health Specialist Responsibilities-coordinating the Hot Work Program;-assisting departments and areas with training;-maintaining copies of the hot work permits and;-updating and evaluating

11、 BGSUs Hot Work Program.7/3/202214Fire Safety Officer Responsibilities-assisting in determining the suitability of designated areas for hot work and;-performing fire extinguisher training. 7/3/202215Office of Design and Construction Responsibilities- advising contractors about flammable materials or

12、 hazardous conditions of which they may not be aware and ensuring that they are familiar with the provisions of NFPA 51B and 29 CFR 1910.252 and;- including hot work as an agenda item in the pre-construction meeting, at which time, Environmental Health and Safety representatives will provide a copy

13、of BGSUs Hot Work Program and answer questions.7/3/202216Outside Contractors Responsibilities-following the provisions of NFPA 51B and 29 CFR 1910.252.7/3/202217Management Responsibilities- providing employees with adequate training including the inherent risks involved, the emergency procedures in

14、the event of a fire, instructions on all equipment and processes, as well as the provisions of this program;- recognizing responsibility for the safe usage of cutting and welding equipment on BGSU property and ensuring only approved equipment is used;7/3/202218Management Responsibilities cont- estab

15、lishing permissible areas for hot work and procedures for cutting and welding in other areas;- designating a permit authorizing individual (PAI);7/3/202219Management Responsibilities cont- advising contractors about flammable materials or hazardous conditions of which they may not be aware and ensur

16、ing that they are familiar with the provisions of NFPA 51B and 29 CFR 1910.252 and;- providing fire extinguishing equipment. 7/3/202220Permit Authorizing Individual Responsibilities- the safe operation of hot work activities;- inspecting the area before cutting or welding is permitted, determining s

17、ite specific hazards, and issuing hot work permits;- ensuring the protection of combustibles from ignition sources;7/3/202221Permit Authorizing Individual Responsibilities cont- determining that fire protection and extinguishing equipment is properly located at the site;- making sure a fire watch is

18、 available at the site and;- where a fire watch is not required, making a final check 30 min. after the completion of hot work to detect and extinguish possible smoldering fires.7/3/202222Fire Watch Responsibilities- being aware of the inherent hazards of the work site and of the hot work;- ensure t

19、hat safe conditions are maintained;- have the authority to stop the hot work if unsafe conditions develop;7/3/202223Fire Watch Responsibilities cont- having fire extinguishing equipment, as well as attending required training;- sounding and being familiar with alarm procedures in the facilities in t

20、he case of an uncontrolled fire and;- watching for fires in all exposed areas, during hot work operations and for at least 30 min. after completion, and trying to extinguish them only when they are within the scope of their training and equipment.7/3/202224Supervisor Responsibilities- attending supe

21、rvisor training offered by Environmental Health and Safety;- ensuring all employees who perform hot work are trained on the Hot Work Program and its requirements;- safe handling and use of equipment, as well as determining any combustible or hazardous areas that are present in the work area;7/3/2022

22、25Supervisor Responsibilities cont- protecting combustibles from ignition by having the work moved to a location free from combustibles, moving combustibles to a safe distance, or properly shielding against ignition;- seeing that Hot Work is not scheduled to be performed during operations that might

23、 expose combustibles to ignition;7/3/202226Supervisor Responsibilities cont- obtaining a hot work permit from the PAI and determining that the hot work operator secures his approval that conditions are safe before performing any hot work;- ensuring that fire protection and extinguishing equipment ar

24、e properly located at the site and employees are trained in its use;- making a fire watch available if needed;7/3/202227Supervisor Responsibilities cont- enforcing BGSUs Hot Work Program by ensuring all employees under their direction comply with all facets of the Hot Work Program and;- providing a

25、copy of the Hot Work Program to employees upon their request.7/3/202228Employee (Hot Work Operators) Responsibilities- completely adhering to the requirements of this program and attending required training;- understanding the emergency procedures in the event of a fire and shall have an awareness o

26、f the inherent risks involved;7/3/202229Employee (Hot Work Operators) Responsibilities cont- having the PAIs and supervisors approval before starting the hot work operations;- stopping hot work operations and notifying management, the area supervisor, or the PAI if an unsafe condition occurs and;- s

27、ending completed hot work permits to Environmental Health and Safety.7/3/202230Program Enforcement- A violation of a University employees responsibility must be reported to the employees immediate supervisor for appropriate action.7/3/202231Designated areas- a designated fire resistant area or areas

28、 made of noncombustible construction.Permit required areas- an area that requires a written hot work permit and shall be made safe by removing or protecting combustibles from ignition sources.7/3/202232Non-permissible welding areas- areas not authorized by management;- sprinklered buildings while su

29、ch protection is impaired;- in the presence of an explosive atmosphere, including improperly prepared drums that once contained flammable materials and;- areas near storage of large quantities of exposed, readily ignitable materials.7/3/202233Hot work shall not be attempted on- a partition, wall, ce

30、iling or roof that has a combustible covering or insulation, or on walls or partitions of combustible sandwich-type panel construction and;- pipes or other metal that is in contact with combustible walls, partitions, ceilings or roofs shall not be done if the work is close enough to cause ignition b

31、y conduction.7/3/202234Required when- hot work is performed in an area where other than minor fires might develop;- combustible materials in building construction or contents are closer than 35 ft (11m) to the point of operation;- combustible materials are more than 35 ft (11m) away, but are easily

32、ignited by sparks;7/3/202235Required when- wall or floor openings within a 35 ft (11m) radius expose combustible materials in adjacent areas, including concealed spaces in walls or floors or;- combustible materials are adjacent to the opposite side of partitions, walls, ceilings, or roofs and are li

33、kely to be ignited.7/3/202236A fire watch must be maintained for 30 min. after completion of hot work.More than one fire watch is required when combustible material that could be ignited by hot work cannot be directly observed by only one fire watch.7/3/202237A hot work permit- must be obtained from

34、 the PAI for hot work being performed in permit required areas;- the PAI must verify that the precautions on the permit have been completed before authorizing work and at least once per day;- The permit must be displayed at the job site;7/3/202238A hot work permit- must be removed and sent to Enviro

35、nmental Health and Safety at the end of the shift;- is only good for one shift and;- is located Appendix A of the BGSU Hot Work Permit found in Tab 1.7/3/202239Located in Tab 2 is an example of the 35 ft (11m) rule.Located in Tab 3 is an article called Maximizing Hot Work Safety with Fabrics.7/3/202

36、240Hot Work1 training session (This Session)Hot Work2 training session- the inherent risks involved;- the emergency procedures in the event of a fire;- instructions on all equipment and processes and;- the provisions of this program. 7/3/202241Confined Spaces- To prevent accidental contact, when arc

37、 welding is to be suspended for any substantial period of time, such as during lunch or overnight, all electrodes shall be removed from the holders and the holders carefully located so that accidental contact cannot occur and the machine be disconnected from the power source.7/3/202242Confined Space

38、s cont- In order to eliminate the possibility of gas escaping through leaks or improperly closed valves, when gas welding or cutting, the torch valves shall be closed and the gas supply to the torch positively shut off at some point outside the confined space area whenever the torch is not to be use

39、d for a substantial period of time, such as during lunch hour or overnight. Where practical, the torch and hose shall also be removed from the confined space.7/3/202243Confined Spaces cont- When welding or cutting is being performed in any confined space, the gas cylinders and welding machines shall

40、 be left on the outside. Before operations are started, heavy portable equipment mounted on wheels shall be securely blocked to prevent accidental movement.7/3/202244Personal Protection- Must be identified through BGSUs PPE program.The following must be practiced for fall protection- A welder workin

41、g on platforms, scaffolds, or runways shall be protected against falling by the use of railings, life lines, or some other equally effective means.- Welders shall also place welding cables and other equipment so that they are clear of passageways, ladders and stairways.7/3/202245A Hot Work PermitB O

42、xygen-Fuel Gas Welding and CuttingC Arc Welding and CuttingD Resistance Welding7/3/202246Environmental Health and Safety will assist departments with:- hot work permit training;- fire extinguisher training and;- determining the suitability of designated hot work areas.Contact Environmental Health an

43、d Safety at 372-2171 for a department consultation.7/3/202247Importance of fire prevention during hot work operationsRegulatory backgroundOSHAs welding, cutting, and brazing standardNFPAs standard for fire prevention during welding, cutting, and other hot workBGSUs written Hot Work ProgramImplementation assistance7/3/202248http:/www.osha.gov. Occupational Safety and Health Administration.http:/www.bgsu.edu/offices/envhs/page18435.html Bowling Green State Universitys Personal Protective Equipment Program.