NASCLA Commercial Building Exam 100% Solved

NASCLA Commercial Building Exam 100% Solved What is the minimum ceiling height for means of Egress? -answer Not less than 7 feet 6 inches Emergency Power must illuminate for how long? -answer No less than 90 minutes Elevators are required in a building with how many stories? -answer More than 3 (or at least 4). What is the size of the refuge space for one wheel chair? -answer 30 inches by 48 inches Each area of refuge shall be separated from the remainder of the story by what? -answer Smoke Barrier What is the minimum width of a door? -answer 32 Inches The minimum clear opening height of doors shall be no less than (at least) -answer 80 inches Which direction should a hinge door swing when the building occupies more than 50 people or is classified as Group "H"? -answer In the direction of egress The force for pushing or pulling open interior swinging egress non fire doors shall not exceed how many pounds? -answer No more than 5LBS Clear opening below a door should be no more than -answer 4 inches Panic hardware is required when -answer There are more than 50 possible occupants The maximum unlatching force of panic or fire hardware should not exceed how many pounds? -answer 15lbs Stairway width for less than 50 people is -answer 36 inches Stairway width for more than 50 people -answer 44 inches Handrails should extend passed the top riser by -answer 12 inches Maximum handrail width is -answer 2 inches Where handrails are not continuous between flights, the handrails should extend horizontally how many inches? -answer 12 inches Clear space between handrail and wall -answer 1 1/2 Required guards shall not have an opening how large? -answer 4 inches Corridor width chart can be found in what book? -answer 2018 IBC (Thick blue book) page 287 Emergency escape and rescue openings shall have the bottom of the opening not greater than how many inches? -answer 44 inches measure from floor Accessible parking Spaces chart can be found where? -answer 2018 IBC Page 308 Net Free Ventilating area shall not be less than -answer 1/150th of the area of the space ventilated (Page 321 IBC) The spacing of the ties or fastenings for exterior metal veneer shall not exceed how many inches? -answer 24 inches Lap siding should have minimum lap of how many inches? -answer 1 and 1/4 inches Metal flashing on walls, roof intersections, no less than how thick? -answer 0.019 What class assemblies are most effective against severe fire test? -answer Class A Asphalt shingles should only be used on roof slopes -answer Of two units vertical in 12 units horizontal (17%) Valley lining material thickness chart can be found where? -answer IBC 351 Wood Shake and Wood shingle exposure table -answer IBC 352 Minimum Slope of a roof is -answer 1/4 : 1 Allowable deflection table can be found -answer IBC 363 A geotechnical investigation must be conducted when: -answer When backfilling more than 12inches under a footer The grade away from a building must be -answer 5% for at least 10 feet Dampproofing must be applied from where? -answer Footer to above grade Where should a foundation drain be placed? -answer 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? -answer 434 IBC Backfill compressive strength has to be what PSI? -answer At least 2000 PSI Minimum Depth of footings below undisturbed ground surface should be how deep? -answer 12 inches Minimum width of footing is -answer 12 inches Flange projections shall not exceed what dimension? -answer 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? -answer 6 mil (0.006) lapped at least 6 inches Chimney termination is at least how far above the highest point of the roof? -answer 3 feet What plan is submitted to the engineer? -answer Design (construction documents) Steel Joist placement plans do not require what -answer Seal and signature of the joist manufacturer Trusses spanning more than how many feet require an engineer? -answer 60ft Underlayment should be a minimum of how thick? -answer 1/4in thick At what height do you need a permit for a retaining wall? -answer 4ft What occupancy classification is a hospital? -answer I-2 Who is authorized to serve a notice of violation or revoke permit? -answer The Building Official Fire box should be placed how far above finished floor? -answer 42-48inches Minimum temperature when applying SFRM is what -answer 40 Degrees for 24 hours Parapet shall not be less than how tall above the point where the roof surface and wall intersect? -answer 30 inches Smoke barriers most be how thick? -answer 2.5mm (.10in) Shaft enclosures shall have a fire resistance rating of not less than how long? -answer 2 hours where connecting 4 stories or more A manual actuation device shall be located at or near egress how far from cooking area? - answer 10-20ft