NFPA 24 Test (TFM10) EXAM
Combined Service Mains This standard shall apply to ______ intended to carry water for fire service mains
AHJ Working plans shall be submitted for approval to the _____ before any equipment is
installed or remodeled.
Pressure-Regulating devices ____ shall not be used
Control Valves ______ shall not be installed in the piping from the fire department connection to
the fire service main
Control Valves _____ shall be permitted in the system downstream of the fire department
connection
Check Valve When more than one water supply exists, a ___________ shall be installed in each
connection
Control Valve All check valves shall have a ________ installed upstream and downstream of the
check valve.
40 ft A post indicator valve installed not less than____ from the building
32-40 inches Where post indicator valves are used, they shall be set so that the top of each post
is _______ above final grade
not be required Supervision of underground gate valves with roadway boxes shall ____________
not be less than 6 inches The connection from the hydrant to the main shall ___________
not less than 40 ft Hydrants shall be located _________ from the buildings to be protected
flat stones, concrete slabs, or other approved material Hydrants shall be installed on __________
less than 18 inches The center of a hose outlet shall not be ____________ above final grade
more than 36 inches The center of a hose outlet shall not be _______ above final grade
, NFPA 24 Test (TFM10) EXAM
less than 150 psi All piping used in private fire service mains shall be rated for the maximum system
working pressure to which the piping is exposed to but shall not be rated at
_______________
asphalt or other corrosion-retarding material All bolted joint accessories shall be cleaned and thoroughly coated with
_______________ after installation
not be less than 30 inches In locations where freezing is not a factor, the depth of cover shall
__________________ below grade to prevent mechanical damage.
minimum depth of 36 inches Private fire service mains installed under driveways or roadways shall be buried at a
______________
run in a covered trench Where private fire mains extend more than 10 ft into the building, they shall be
___________
1 part cement, 2 1/2 parts sand, and 5 parts stone Thrust blocks shall be concrete of a mix not leaner than ______________
not less than 5/8 in diameter Rods shall be _____________
shall be cleaned and thoroughly coated with a bituminous After installation, rods, nuts, bolts, washers, clamps, and other restraining devices
or other acceptable corrosion-retarding material _____________________
restrained at the bottom of a hill and at any lateral or Pipe shall be _____________________
vertical turns
facing uphill Bell ends shall be __________
clear of debris The flushing operation shall continue until water flow is verified to be ___________
completing and signing the contractors material and test The installing contractor shall be responsible for _______________________
certificates
gauge pressure of 200 psi or 50 psi above working All piping shall be hydrostatically tested at ____________________________
pressure for 2 hours
10 ft/sec Flow required to produce velocity of __________ in pipes
control valves ______________ do not include drain valves, check valves, or relief valves
Combined Service Mains This standard shall apply to ______ intended to carry water for fire service mains
AHJ Working plans shall be submitted for approval to the _____ before any equipment is
installed or remodeled.
Pressure-Regulating devices ____ shall not be used
Control Valves ______ shall not be installed in the piping from the fire department connection to
the fire service main
Control Valves _____ shall be permitted in the system downstream of the fire department
connection
Check Valve When more than one water supply exists, a ___________ shall be installed in each
connection
Control Valve All check valves shall have a ________ installed upstream and downstream of the
check valve.
40 ft A post indicator valve installed not less than____ from the building
32-40 inches Where post indicator valves are used, they shall be set so that the top of each post
is _______ above final grade
not be required Supervision of underground gate valves with roadway boxes shall ____________
not be less than 6 inches The connection from the hydrant to the main shall ___________
not less than 40 ft Hydrants shall be located _________ from the buildings to be protected
flat stones, concrete slabs, or other approved material Hydrants shall be installed on __________
less than 18 inches The center of a hose outlet shall not be ____________ above final grade
more than 36 inches The center of a hose outlet shall not be _______ above final grade
, NFPA 24 Test (TFM10) EXAM
less than 150 psi All piping used in private fire service mains shall be rated for the maximum system
working pressure to which the piping is exposed to but shall not be rated at
_______________
asphalt or other corrosion-retarding material All bolted joint accessories shall be cleaned and thoroughly coated with
_______________ after installation
not be less than 30 inches In locations where freezing is not a factor, the depth of cover shall
__________________ below grade to prevent mechanical damage.
minimum depth of 36 inches Private fire service mains installed under driveways or roadways shall be buried at a
______________
run in a covered trench Where private fire mains extend more than 10 ft into the building, they shall be
___________
1 part cement, 2 1/2 parts sand, and 5 parts stone Thrust blocks shall be concrete of a mix not leaner than ______________
not less than 5/8 in diameter Rods shall be _____________
shall be cleaned and thoroughly coated with a bituminous After installation, rods, nuts, bolts, washers, clamps, and other restraining devices
or other acceptable corrosion-retarding material _____________________
restrained at the bottom of a hill and at any lateral or Pipe shall be _____________________
vertical turns
facing uphill Bell ends shall be __________
clear of debris The flushing operation shall continue until water flow is verified to be ___________
completing and signing the contractors material and test The installing contractor shall be responsible for _______________________
certificates
gauge pressure of 200 psi or 50 psi above working All piping shall be hydrostatically tested at ____________________________
pressure for 2 hours
10 ft/sec Flow required to produce velocity of __________ in pipes
control valves ______________ do not include drain valves, check valves, or relief valves
