AND ANSWERS LATEST UPDATED
The inspection report must be available - 48 hours after work is complete for fire
department representative to look over.
Oxygen cylinder is made of - Steel and contains 100% oxygen
Oxy propane degrees - 1,500 degrees
Acetylene degrees - 3000 degrees
Oxy-acetylene degrees - 6000 degrees
Brazing and soldering temperatures - Typically 840 degrees
Oxy-fuel torch
Oxygen storage pressures up to - 2200 PSI (pounds per square inch)
Oxy-fuel torch
Dangerous fuel gas pressures - Above 15 psi especially for acetylene
Buildings and structures
Rooftops
Fire watch must continue for - 30 minutes after the conclusing of the work.
Time and record keeping requirements
CNG or LPG torch operations inspections - First shall be conducted 30minute after
completion
,Second inspection 1 hour after completion
Gas torches also have applications and additions like - For burning weeds Melting
ice
Applying tar/asphalt
Backfire - Flame on torch goes out unexpectedly
A loud snap or pop may occur when the flame goes out.
Flashback - Cutting or welding flame burns inside the torch or the hoses. It is usually
accompanied by a whistling or hissing noise.
Frayed clothing - Susceptible to ignition and burning, should not be worn.
Compression gas container
Dangerous temperatures - High temperatures 125 degrees
Regulator - Most important part of compressed gas systems.
Fire guard - A person holding a certificate of Fitness for such purposes, who is trained in
and responsible for maintaining a fire watch and performing such fire safety duties as
may be prescribed by the commissioner
Fire Watch - A temporary measure intended to ensure continuous and systemic
surveillance of a building or portion thereof by one or more qualified individuals for the
purposes of identifying and controlling fire hazards, detecting early signs of fire, raising
an alarm of fire, and notifying the department
G-60 - Use of oxygen and flammable gasses, or LPG or CNG for any hot work
COF exception - Torch operations for jewelry
FDNY permit - Storing using or handling
oxygen and flammable gas
in excess of 400scf (LPG, CNG or scetylene)
oxidizing gass in excess of 504scf
,Portable LPG must not be stored when the capacity of the container is greater than? -
16.4 oz
Portable CNG containers must not be stored then the capacity is greater than? - 8.7
SCF
Single standard portable LPG containers must not exceed? - 100LBs in weight
Single CNG containers must not exceed? - 381 SCF
LPG
400 SCF is approximately - 47 lbs
Types of FDNY permits - Site specific permits
City wide permits
Transportation permits
Site specific permit can be? - Can be permenant or temperary
Permanent permits are valid for how long? - 12 months only.
Permits and renewals require inspection and will expire adter twelve months.
Temporary permits may be valid from? - One day to 12 months depending on the
construction or operations needed.
City wise permit duration? - 30 days
Hazards out end of day
Quantity of hazardous material being stored(maximum)? - 5 gals gasoline
250 gals of flammable
300 gals combustible liquid
Transportation permit - FDNY approved inspected displayed on vehicle
Hot work authorization. - Required for any project with hot work operation but not issued
by the FDNY
Responsible person - Must be available for inspection by any representative of fire
department during and 48 hours after the work is complete.
, Fire guard - Cof holder who is trained in and responsible for maintaijjng a fire watch.
Fire watch - Survailance of an area
Detect signs of early fire
Raise alarms
Notify department
Pre hot work check must be conducted by the responsible person before hot work is
authorized at least? - Once per day
Pre hot work check daily and must very the following - Equipment working in order
Hot work is clear of combistibles and flammable solids
Combustible and non combustible are protected
Fire watch personel are assigned
Fire extinguisher available
Fire watch - A fire watch must be maintained during any hot work operation.
The person conducting a fire watch shall - Not have other duties
Fire watch
At least one portable fire extinguisher with a - Minimum 2-A:20-B:C rating shall be
accessible within 30ft from hot work
Fire watch
Exception roofing operating fire extinguisher - 3-A 40-B:C
Fire watch for torch operations conducted at following locations by a F-60 fire guard: -
Construction sites
Hot Work - Cutting, welding, thermit welding, brazing, soldering, grinding, thermal
spraying, thawing pipe, cadwelding, installation of torch - applied system or any other
similar operation or activity