CLC Material Takeoff & Ordering 2

Question 1

When calculating the number of 4x8 sheets of plywood needed for a 480 sq ft subfloor, how many sheets are required with no waste factor?

Accepted Answer

15 sheets

Answer

Each 4x8 sheet covers 32 sq ft; 480 ÷ 32 = 15 sheets.

Question 2

A lead carpenter is ordering crown molding for a room with perimeter of 56 LF. The room has one 8-ft doorway with no molding. With a 10% waste factor, how many linear feet should be ordered?

Accepted Answer

52.8 LF

Answer

(56 - 8) × 1.10 = 48 × 1.10 = 52.8 LF.

Question 3

Which document is the primary source used to perform an accurate material takeoff?

Accepted Answer

Architect's construction drawings and specifications

Answer

Construction drawings and specifications provide dimensions and material requirements needed for takeoff.

Question 4

When ordering dimensional lumber, what does 'board foot' measure?

Accepted Answer

Volume equal to 1 inch × 12 inches × 12 inches

Answer

A board foot equals 1 inch thick × 12 inches wide × 12 inches long (144 cubic inches).

Question 5

A carpenter needs 2x10 joists at 16" OC spanning 14 feet across a 20-foot-wide deck. How many joists are needed (including both end joists)?

Accepted Answer

16

Answer

20 ft ÷ 1.333 ft (16" OC) = 15 spaces + 1 = 16 joists including both ends.

(CLC) Certified Lead Carpenter Practice Test

(CLC) Certified Lead Carpenter Practice Test

CLC Material Takeoff & Ordering 2