NASCLA Commercial Building Exam
What is the minimum ceiling height for means of Egress? Not less than 7 feet 6 inches
Emergency Power must illuminate for how long? No less than 90 minutes
Elevators are required in a building with how many stories? More than 3 (or at least 4).
What is the size of the refuge space for one wheel chair? 30 inches by 48 inches
Each area of refuge shall be separated from the remainder Smoke Barrier
of the story by what?
What is the minimum width of a door? 32 Inches
The minimum clear opening height of doors shall be no 80 inches
less than (at least)
Which direction should a hinge door swing when the In the direction of egress
building occupies more than 50 people or is classified as
Group "H"?
The force for pushing or pulling open interior swinging No more than 5LBS
egress non fire doors shall not exceed how many pounds?
Clear opening below a door should be no more than 4 inches
Panic hardware is required when There are more than 50 possible occupants
The maximum unlatching force of panic or fire hardware 15lbs
should not exceed how many pounds?
Stairway width for less than 50 people is 36 inches
Stairway width for more than 50 people 44 inches
Handrails should extend passed the top riser by 12 inches
, NASCLA Commercial Building Exam
Maximum handrail width is 2 inches
Where handrails are not continuous between flights, the 12 inches
handrails should extend horizontally how many inches?
Clear space between handrail and wall 1 1/2
Required guards shall not have an opening how large? 4 inches
Corridor width chart can be found in what book? 2018 IBC (Thick blue book) page 287
Emergency escape and rescue openings shall have the 44 inches measure from floor
bottom of the opening not greater than how many inches?
Accessible parking Spaces chart can be found where? 2018 IBC Page 308
Net Free Ventilating area shall not be less than 1/150th of the area of the space ventilated (Page 321 IBC)
The spacing of the ties or fastenings for exterior metal 24 inches
veneer shall not exceed how many inches?
Lap siding should have minimum lap of how many inches? 1 and 1/4 inches
Metal flashing on walls, roof intersections, no less than 0.019
how thick?
What class assemblies are most effective against severe Class A
fire test?
Asphalt shingles should only be used on roof slopes Of two units vertical in 12 units horizontal (17%)
Valley lining material thickness chart can be found where? IBC 351
Wood Shake and Wood shingle exposure table IBC 352
, NASCLA Commercial Building Exam
Minimum Slope of a roof is 1/4 : 1
Allowable deflection table can be found IBC 363
A geotechnical investigation must be conducted when: When backfilling more than 12inches under a footer
The grade away from a building must be 5% for at least 10 feet
Dampproofing must be applied from where? Footer to above grade
Where should a foundation drain be placed? Top of the drain at least 6 inches above the top of the footing, filter fabric over stone
Sandy, silty sand, clayey, table - found where? 434 IBC
Backfill compressive strength has to be what PSI? At least 2000 PSI
Minimum Depth of footings below undisturbed ground 12 inches
surface should be how deep?
Minimum width of footing is 12 inches
Flange projections shall not exceed what dimension? 14 times the minimum thickness of metal and flange width shall not be less than
80% of the depth of the section
How thick should a vapor barrier be below a slab? 6 mil (0.006) lapped at least 6 inches
Chimney termination is at least how far above the highest 3 feet
point of the roof?
What plan is submitted to the engineer? Design (construction documents)
Steel Joist placement plans do not require what Seal and signature of the joist manufacturer
What is the minimum ceiling height for means of Egress? Not less than 7 feet 6 inches
Emergency Power must illuminate for how long? No less than 90 minutes
Elevators are required in a building with how many stories? More than 3 (or at least 4).
What is the size of the refuge space for one wheel chair? 30 inches by 48 inches
Each area of refuge shall be separated from the remainder Smoke Barrier
of the story by what?
What is the minimum width of a door? 32 Inches
The minimum clear opening height of doors shall be no 80 inches
less than (at least)
Which direction should a hinge door swing when the In the direction of egress
building occupies more than 50 people or is classified as
Group "H"?
The force for pushing or pulling open interior swinging No more than 5LBS
egress non fire doors shall not exceed how many pounds?
Clear opening below a door should be no more than 4 inches
Panic hardware is required when There are more than 50 possible occupants
The maximum unlatching force of panic or fire hardware 15lbs
should not exceed how many pounds?
Stairway width for less than 50 people is 36 inches
Stairway width for more than 50 people 44 inches
Handrails should extend passed the top riser by 12 inches
, NASCLA Commercial Building Exam
Maximum handrail width is 2 inches
Where handrails are not continuous between flights, the 12 inches
handrails should extend horizontally how many inches?
Clear space between handrail and wall 1 1/2
Required guards shall not have an opening how large? 4 inches
Corridor width chart can be found in what book? 2018 IBC (Thick blue book) page 287
Emergency escape and rescue openings shall have the 44 inches measure from floor
bottom of the opening not greater than how many inches?
Accessible parking Spaces chart can be found where? 2018 IBC Page 308
Net Free Ventilating area shall not be less than 1/150th of the area of the space ventilated (Page 321 IBC)
The spacing of the ties or fastenings for exterior metal 24 inches
veneer shall not exceed how many inches?
Lap siding should have minimum lap of how many inches? 1 and 1/4 inches
Metal flashing on walls, roof intersections, no less than 0.019
how thick?
What class assemblies are most effective against severe Class A
fire test?
Asphalt shingles should only be used on roof slopes Of two units vertical in 12 units horizontal (17%)
Valley lining material thickness chart can be found where? IBC 351
Wood Shake and Wood shingle exposure table IBC 352
, NASCLA Commercial Building Exam
Minimum Slope of a roof is 1/4 : 1
Allowable deflection table can be found IBC 363
A geotechnical investigation must be conducted when: When backfilling more than 12inches under a footer
The grade away from a building must be 5% for at least 10 feet
Dampproofing must be applied from where? Footer to above grade
Where should a foundation drain be placed? Top of the drain at least 6 inches above the top of the footing, filter fabric over stone
Sandy, silty sand, clayey, table - found where? 434 IBC
Backfill compressive strength has to be what PSI? At least 2000 PSI
Minimum Depth of footings below undisturbed ground 12 inches
surface should be how deep?
Minimum width of footing is 12 inches
Flange projections shall not exceed what dimension? 14 times the minimum thickness of metal and flange width shall not be less than
80% of the depth of the section
How thick should a vapor barrier be below a slab? 6 mil (0.006) lapped at least 6 inches
Chimney termination is at least how far above the highest 3 feet
point of the roof?
What plan is submitted to the engineer? Design (construction documents)
Steel Joist placement plans do not require what Seal and signature of the joist manufacturer
