Quantity Takeoff & Measurement Flashcards
7 cards from real CEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Quantity Takeoff & Measurement flashcards as text
What is the primary purpose of a quantity takeoff (QTO) in construction estimating?
Answer: To measure and quantify all materials and work items required for a project
A quantity takeoff measures and quantifies all materials, labor units, and work items needed, forming the foundational basis for accurate cost estimation.
Which unit of measurement is typically used for ready-mix concrete in a US quantity takeoff?
Answer: Cubic yards (CY)
Ready-mix concrete is a volumetric material standardly measured in cubic yards (CY) in US construction practice.
What does a 'waste factor' or 'overage factor' account for in a quantity takeoff?
Answer: Material lost due to cutting, breakage, or installation inefficiencies
Waste factors compensate for material lost through cutting, breakage, lapping, and installation inefficiencies that increase the required purchase quantity beyond the net installed amount.
When performing a quantity takeoff for standard brick masonry, which is the most common unit of measurement for brick?
Answer: Each (EA) or per thousand (M)
Brick is typically counted as individual units (EA) or ordered by the thousand (M), allowing estimators to calculate total quantities needed for the masonry scope.
Which method is most commonly used to calculate earthwork cut and fill volumes along a linear alignment using evenly spaced cross-sections?
Answer: Average End Area Method
The Average End Area Method calculates earthwork volume between two cross-sections by averaging their areas and multiplying by the distance between them, making it the standard for linear projects like roads.
In site work estimating, what does 'swell factor' refer to?
Answer: The volume increase of excavated soil compared to its compacted in-place state
Swell factor accounts for the volume increase that occurs when soil is excavated and loosened from its compacted, bank-measure state.
Which document serves as the primary source for performing a quantity takeoff?
Answer: Construction drawings and specifications
Construction drawings (plans) and specifications provide all dimensional, material, and scope information required to measure and quantify every project work item.