Stumps and roots below an area to be occupied by a building MUST be removed from the soil to a MINIMUM depth of
Ga Rb Sitework Foundation
Question · Easy
How deep before you need a trench box?
Short
Per the 2018 IRC, exterior footings MUST extend a minimum of how many inches below the undisturbed ground surface?
Question · Medium
Under the 2018 IRC, what is the MINIMUM width and thickness for a concrete spread footing supporting a residential bearing wall?
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A continuous strip footing is 18 inches wide, 8 inches thick, and 50 feet long. Approximately how many cubic yards of concrete are required?
Per the 2018 IRC, the ground surface immediately adjacent to the foundation MUST be sloped away from the building a minimum of how much within the first 10 feet?
Six feet: a hard-hat anthem
What is the minimum footing depth required by the Georgia State Amendments to the 2018 IRC for areas of the state with no defined frost line?
According to the presumptive soil bearing values in the 2018 IRC, what is the load-bearing value for clay, sandy clay, silty clay, or clayey silt?
Using IRC Table R403.1(1), what is the minimum footing width for a conventional light-frame two-story dwelling with 4-inch brick veneer on soil with a 1,500 psf load-bearing value?
Question · Hard
A house perimeter footing is 12 inches wide, 6 inches thick, and runs 80 linear feet around the building. Approximately how many cubic yards of concrete are needed for this footing?
OSHA fall heights, to scale
Per the 2018 IRC, a foundation drainage system is required for which type of foundation condition?
What is the MINIMUM specified compressive strength of concrete for residential foundations and slabs (excluding garage floor slabs) per the 2018 IRC?
Ga Rb Concrete
When concrete is cast directly against the earth (without removable forms), what is the MINIMUM concrete cover required over steel reinforcement per the 2018 IRC?
Per the 2018 IRC, what is the MINIMUM thickness for a concrete slab-on-ground in residential construction?
According to the ACI Contractor's Guide to Quality Concrete Construction, what is the recommended minimum moist-curing period for concrete achieving specified strength?
For concrete cast in removable forms that WILL be exposed to the earth or weather, what is the minimum concrete cover for No. 5 bars and smaller per the 2018 IRC?
A residential garage slab measures 24 feet by 32 feet and is poured 4 inches thick. Approximately how many cubic yards of concrete are required?
According to the ACI Contractor's Guide, concrete SHOULD NOT be placed on which of the following base conditions?
In Seismic Design Categories D0, D1, and D2, the 2018 IRC requires minimum vertical reinforcement in concrete stem walls. What is the minimum bar size and maximum spacing?
A contractor is pouring 8 cylindrical concrete piers, each 12 inches in diameter and 4 feet deep. Approximately how many cubic yards of concrete are needed for all piers combined?
The primary purpose of mechanically vibrating fresh concrete during placement is to
Per the 2018 IRC, the REQUIRED air space separating anchored masonry veneer from the underlying sheathing shall be a MINIMUM of how many inches?
Ga Rb Masonry
According to the 2018 IRC, weep holes in anchored masonry veneer MUST be provided at what MAXIMUM spacing on center?
Per the 2018 IRC, what is the MAXIMUM horizontal and vertical spacing for corrugated sheet metal veneer ties supporting anchored masonry veneer on wood stud backing?
Which mortar type is generally recommended for above-grade exterior masonry walls subject to moderate weathering exposure?
Per the 2018 IRC, what is the MAXIMUM installed weight per square foot for anchored masonry veneer supported on wood stud backing without additional engineering?
In anchored masonry veneer construction, flashing MUST be installed at which of the following locations?
Per the 2018 IRC, what is the MAXIMUM riser height for a residential stairway?
Ga Rb Carpentry
Per the 2018 IRC, what is the MINIMUM tread depth for a residential stairway when a nosing projection of at least 3/4 inch is provided?
Per the 2018 IRC, what is the MINIMUM clear width of a residential stairway at and below the handrail?
Per the 2018 IRC, what is the MINIMUM required headroom height for a residential stairway, measured vertically from a line connecting the stair nosings?
Per the 2018 IRC, handrails on residential stairways MUST be installed at what height range, measured vertically from the stair nosing?
Per the 2018 IRC, what is the MAXIMUM permitted variation in riser height within a single flight of residential stairs?
A stairway has a total vertical rise of 108 inches from one floor to the next. Using the IRC maximum riser height of 7-3/4 inches, what is the MINIMUM number of risers required, and what is the resulting riser height?
Using the standard board-foot formula (thickness in inches x width in inches x length in feet / 12), how many board feet are in a single 2x10 nominal lumber piece that is 16 feet long?
Per the 2018 IRC, what are the two most common stud spacing options for exterior bearing walls in residential wood-frame construction?
Per the 2018 IRC, wall openings exceeding what width MUST be provided with headers consisting of at least two pieces of 2-inch framing lumber on edge or 4-inch lumber?
Per the 2018 IRC, what is the MINIMUM bearing length required at each end of a structural header?
A 28-foot-long exterior wall with no openings is framed with 2x6 studs spaced 16 inches on center, with a stud at each end of the run. How many studs does this layout require?
In residential platform framing, floor joists are typically installed immediately after which component is placed?
Per the 2018 IRC, which of the following is required for wood structural panel floor sheathing to be structurally adequate at panel edges?
Per the 2018 IRC, what factors determine the required amount and type of wall bracing for a wood-framed residential building?
Per the 2018 IRC, end joints in double top plates of bearing and exterior walls MUST be offset by a minimum of how many inches?
Per the 2018 IRC, what is the MINIMUM length for a cripple wall stud unless the cripple wall is sheathed on at least one side with wood structural panels?
What is the MAXIMUM moisture content that dimension lumber should have when used for framing enclosed building components, per accepted carpentry practice?
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