1. Sprinkler system must NOT be shut off or impaired while hot work is oi oi oi oi oi oi oi oi oi oi oi oi
performed: Place damp cloth guards on individual sprinkler heads
oi oi oi oi oi oi oi oi oi
2. The person conducting the fire watch oi have other duties:CANNOT oi oi oi oi oi oi oi oi
3. A portable fire extinguisher with a rating of
oi isrequiredand oi oi oi oi oi oi oi oi oi
should be within
oi feet travel distance hot work area: 2-A:20-B:C///30
oi oi oi oi oi oi oi oi oi
4. For ROOFING OPERATIONS,a portable fire extinguisher with a minimum
oi oi o
i oi oi oi oi oi oi
rating of
oi is required: 3-A:40-B:C oi oi oi oi
5. Fire watch on floors below is : required
oi oi oi oi oi oi oi
6. The fire watch must continue for a minimum of
oi minutes after the hot oi oi oi oi oi oi oi oi oi oi oi
work is done: 30
oi oi oi oi
7. ForanyCNGorLPGtorchoperations,thefirstinspectionshallbeconduct- ed
o
i oi oi oi oi oi io oi oi oi oi oi oi oi
minutes after completion.The second inspection shall be conducted oi oi io oi oi oi oi oi
after completion of torch operations.: 30 min///1 hour oi oi oi oi oi oi oi
8. The fire guard or fire watch personnel must complete a signed inspection
oi oi oi oi oi oi oi oi oi oi oi
report and it must be submitted to and retained by the person in charge of the
oi oi oi oi oi oi oi oi oi oi oi oi oi oi oi oi
torch operations.:The report must be made available and maintained on the
oi oi oi oi oi oi oi oi oi oi oi oi
premises for a minimum of 48 hours after the work is complete.
oi oi oi oi oi oi oi oi oi oi oi oi
9. Most common fuel gasses used in blowtorches are oi :LPG(butane, oi oi oi oi oi oi oi io o
i
propane) natural gas (methane) (either CNG or piped natural gasses)
oi oi oi oi oi oi oi oi oi oi
10. Soldering and brazing temperatures are typically :840 degrees F oi oi oi oi oi oi oi oi
11. Oxy-acetylene generates the highest temperature which can reach up to oi oi oi oi oi oi oi oi oi
:6000 degrees F oi oi oi
12. Gas torches can exceed andare usedfor burning weeds,melt-
oi oi oi oi oi oi oi oi oi io
ing ice, or applying tar to a roof: 2000 degrees F
oi oi oi oi oi oi oi oi oi oi oi
13. If the torch operation is to stop for a period of
oi oi , the oi oi oi oi oi oi oi oi oi oi
torch vale mustbeclosed andthe gassupplytothetorch mustbecompletely shut:
oi oi oi oi oi oi oi oi oi oi oi oi oi oi oi oi
1 hour or more
oi oi oi oi
14. Containers, valves,regulators,hose and other apparatus and fittings for oi oi oi oi oi oi oi oi oi
oxygen must be kept free of
oi .: oil or greaseoi oi oi oi oi oi oi oi oi
15. Backfire:thisoccurswhentheflameofatorchgoesoutandthereisaloudsnap or pop io o
i o
i o
i o
i o
i o
i o
i o
i o
i o
i o
i o
i o
i o
i o
i oi oi
16. Flashback:Thisoccurswhenthecuttingorweldingflameburnsinsidethetorch or the io o
i o
i o
i o
i o
i o
i o
i o
i o
i o
i o
i oi oi
hoses and it is usually accompanied by a whistle or hissing noise.As soon as it is
oi oi oi oi oi oi oi oi oi oi oi oi oi oi oi oi oi
noticed, the torch control valves should be closed.This indicated there is something
oi oi oi oi oi oi oi oi o
i oi oi oi oi
wrong with the equipment, either damage or blockage
oi oi oi oi oi oi oi oi
17. A hot work area should be
oi : well ventilated oi oi oi oi oi oi oi
18. Whoever is working with hot work equipment CANNOT wear oi oi oi oi oi oi oi oi
since it is susceptible to burning and ignition:frayed clothing oi oi oi oi oi oi oi oi oi
1/3 oi oi