On a floor plan drawn at a scale of 1/4 inch = 1 foot, a partition measures 2-1/2 inches on the drawing. What is the actual wall length?
Estimating Plan Reading
Question · Easy
GFCI inspection
Short
How many board feet are in a takeoff of twenty 2×8 studs that are each 12 feet long? Use nominal dimensions.
Question · Medium
A straight exterior wall is 40 feet long and studs are spaced 16 inches on center. Ignoring openings, how many studs are required if both end studs are counted?
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A 40-foot by 60-foot garage slab is 4 inches thick. How many cubic yards of concrete should be ordered if an 8 percent waste factor is added?
Question · Hard
In roofing takeoff, one roofing square equals which area of roof surface?
Six feet: a hard-hat anthem
A utility trench is 20 feet long, 4 feet wide, and 3 feet deep. How many cubic yards of excavation is that, to the nearest tenth?
A simple gable roof covers a 28-foot by 40-foot rectangle. The roof pitch is 6:12. Using a 6:12 slope factor of 1.118, how many roofing squares of field shingles are needed if 10 percent waste is added?
A 6:12 roof has a horizontal run of 16 feet from eave to ridge. What is the rise from the top of the wall plate to the ridge?
Which drawing typically shows wall locations, room names, door and window symbols, and overall building dimensions used for a residential framing takeoff?
OSHA fall heights, to scale
A lumber takeoff of 1,800 board feet is neat quantity with no waste. If the estimator adds 10 percent waste for cutting and unusable ends, how many board feet should be purchased?
A rectangular room is 14 feet by 16 feet with 8-foot walls. There are two 3-foot by 7-foot doors and no windows. Using 4-foot by 8-foot sheets on the walls only, how many sheets are required if openings are deducted and the result is rounded up to a whole sheet?
On a site plan drawn at 1/8 inch = 1 foot, a property line measures 6-1/4 inches. What is the actual length?
Under the model codes listed in the Tennessee Prov contractor bulletin, which statement correctly describes when the 2018 IRC applies versus the 2021 IBC?
General Code
Per 2018 IRC Section R304.1, habitable rooms (other than kitchens) shall have a floor area of not less than which amount?
Per 2018 IRC Section R305.1, habitable space, hallways, and portions of basements containing those spaces shall have a ceiling height of not less than which dimension?
Per 2018 IRC Section R314.3, smoke alarms in a new dwelling are required in which locations?
A 3,000-square-foot small-commercial office is classified as a business function of space. Using 2021 IBC Table 1004.5 (150 gross square feet per occupant), what is the design occupant load?
Under 2021 IBC Chapter 6, a typical wood-framed one-story small commercial building with combustible exterior walls is which type of construction?
A one-story small commercial tenant space used as a general business office is which 2021 IBC occupancy group?
Per 2018 IRC Table R302.6, the garage shall be separated from the residence and its attic by not less than which material applied to the garage side?
Per 2018 IRC Section R401.3, lots shall be graded so the grade falls a minimum of which amount within the first 10 feet away from foundation walls, unless an approved drain or swale is used?
Sitework
Structural fill under a residential footing is accepted in the field when in-place dry density is compared to which laboratory standard?
A rectangular cut for a house pad is 50 feet by 30 feet and averages 2 feet deep. How many cubic yards of cut is that, to the nearest cubic yard?
Before excavating for a Tennessee residential footing, which sitework step is required to locate underground utilities?
Which temporary control is commonly installed along the downhill limit of a disturbed residential lot to intercept sediment-laden sheet flow before it leaves the site?
Per 2018 IRC Section R403.1.1, spread footings shall be not less than which minimum width and thickness, unless the soil and load tables require larger dimensions?
Footings Foundations
Per 2018 IRC Sections R403.1.4 and R403.1.4.1, exterior footings shall be placed not less than 12 inches below the undisturbed ground surface and shall also be protected from frost by which method?
Per 2018 IRC Section R403.1.4.1, footings shall not bear on which of the following?
A 28-foot by 40-foot house has a continuous footing 16 inches wide and 8 inches thick around the entire perimeter. How many cubic yards of concrete are required for the footing, with no waste added?
In a typical reinforced residential continuous footing, longitudinal reinforcing bars are placed in which locations?
A slab-on-grade is placed around a steel column and tight against an existing foundation wall. What is the purpose of the isolation (expansion) joint at those two locations?
Concrete Reinforcement
A No. 4 reinforcing bar has which nominal diameter?
Which field test is used to measure the consistency and workability of freshly mixed concrete?
A continuous footing contains two No. 4 bars. The footing is 136 feet long. Adding 10 percent for lap splices, about how many pounds of No. 4 bar are required? Use 0.668 pounds per foot for No. 4 bar.
Per ACI 318 and typical IRC concrete-cover rules, reinforcing bars in concrete cast against and permanently exposed to earth shall have a minimum cover of which thickness?
After placement, concrete develops design strength most reliably when it is kept in which condition during the initial curing period?
A formed basement wall is 80 feet long, 8 feet high, and 8 inches thick. How many cubic yards of concrete are required, with no openings deducted and no waste added?
ACI guidance commonly spaces contraction joints in a 4-inch unreinforced slab-on-grade at about which interval so joints form in a controlled location?
Air-entrained concrete is specified for exterior residential slabs and walks in freezing climates primarily to improve which property?
A 24-foot by 32-foot garage slab is 4 inches thick. A 12-inch-wide by 12-inch-deep thickened edge is added around the entire perimeter (the extra concrete is the 8 inches below the 4-inch slab). How many cubic yards of concrete are required, with no waste added?
A standard modular 8-inch concrete masonry unit has which actual face dimensions, allowing for a 3/8-inch mortar joint?
Masonry
Per ASTM C270, which mortar type is a general-purpose above-grade mortar commonly used for exterior veneer and non-loadbearing walls, with a lower compressive strength than Types S and M?
In a brick veneer or drainage-cavity masonry wall, weep holes are provided primarily to do which of the following?
A CMU wall is 40 feet long and 8 feet high, laid in running bond with standard 8-inch-high by 16-inch-long nominal units and no openings. How many units are required?
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