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Cost Estimation Flashcards

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  1. Using standard 8x16-inch CMU (1.125 blocks per SF of wall), how many blocks are needed for a wall 100 ft long and 10 ft high, before waste?

    Answer: 1,125

    1,000 SF x 1.125 blocks/SF = 1,125 blocks.

  2. An excavation yields 500 bank cubic yards of soil with a 25% swell factor. How many loose cubic yards must be hauled?

    Answer: 625 LCY

    500 BCY x 1.25 = 625 LCY.

  3. #5 reinforcing bar weighs 1.043 lb per linear foot. What is the weight of 1,000 LF of #5 bar?

    Answer: 1,043 lb

    1,000 LF x 1.043 lb/LF = 1,043 lb.

  4. Walls totaling 4,000 SF need two coats of paint, and one gallon covers 400 SF. How many gallons are required, before waste?

    Answer: 20

    4,000 SF x 2 coats / 400 SF per gallon = 20 gallons.

  5. A continuous footing is 2 ft wide, 1 ft deep, and 150 LF long. What is its concrete volume?

    Answer: 11.1 CY

    2 x 1 x 150 = 300 CF, and 300 / 27 = 11.1 CY.

  6. How many nominal board feet are in fifty 2x10 joists, each 16 ft long?

    Answer: 1,333 BF

    (2 x 10 x 16) / 12 = 26.67 BF each, x 50 = 1,333 BF.

  7. A roof area measures 3,000 SF. How many roofing squares should the estimator price, before waste?

    Answer: 30

    One roofing square equals 100 SF, so 3,000 SF = 30 squares.

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Sources & references

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  1. aic-builds.org — Test delivery, late registration, test dates, renewal, eligibility, fees, exam format, time limit, exam information · verified Oct 2026