Blueprint Reading and Estimating Flashcards
6 cards from real Construction practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Blueprint Reading and Estimating flashcards as text
What does the symbol 'CL' represent on a construction blueprint?
Answer: Centerline
CL (often shown as a line with alternating long and short dashes) represents the centerline of a structural element or feature on construction drawings.
On a site plan, what does a contour line represent?
Answer: Line of equal elevation
Contour lines on a site plan connect points of equal elevation, allowing readers to visualize the terrain's slope and topography.
What scale is most commonly used for architectural floor plan drawings?
Answer: 1/4" = 1'-0"
The most common scale for architectural floor plans is 1/4 inch equals 1 foot, providing enough detail while fitting on standard sheet sizes.
Which drawing type shows the vertical cross-section of a building cut from top to bottom?
Answer: Section view
A section view shows a vertical cut through the building, revealing interior construction details, floor-to-floor heights, and material layers.
In construction estimating, what is a 'quantity takeoff'?
Answer: The process of measuring and listing all materials needed from drawings
A quantity takeoff (QTO) is the process of measuring and listing all materials, labor, and equipment quantities from construction drawings to prepare a cost estimate.
What does 'AFF' stand for on construction drawings?
Answer: Above Finish Floor
AFF stands for 'Above Finish Floor' and is used to specify the height of fixtures, switches, outlets, and other elements measured from the finished floor surface.