Drawing Conventions & Standards Flashcards
6 cards from real CDT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Drawing Conventions & Standards flashcards as text
What is a reflected ceiling plan (RCP) in construction documents?
Answer: A plan view of the ceiling as if a mirror on the floor reflected it upward, showing ceiling heights, lights, diffusers, and grid
A reflected ceiling plan shows the ceiling as seen from above with a mirror on the floor, documenting ceiling heights, grid layouts, light fixtures, HVAC diffusers, and other ceiling-mounted elements.
What is the standard line weight hierarchy in construction drawings?
Answer: Heavier lines indicate objects in the foreground or cut plane; lighter lines show background elements and notes
Standard drawing convention uses heavier line weights for elements that are cut through or in the foreground and progressively lighter lines for elements farther from the viewer, creating visual hierarchy.
What does a dashed line typically represent on a floor plan?
Answer: An element above the cut plane that is not visible but relevant, such as a beam or upper cabinet
On floor plans, dashed lines indicate hidden or overhead elements above the typical 4-foot cut plane, such as overhead beams, upper cabinets, skylights, or upper-floor overhangs.
What is the primary function of a drawing index or sheet list in a construction document set?
Answer: To list all drawings in the set with their sheet numbers and titles for quick navigation
A drawing index lists every sheet in the construction document set by sheet number and title, allowing users to quickly locate specific drawings.
In the AIA sheet numbering system, what does the letter prefix 'S' indicate?
Answer: Structural drawings
In the AIA alphanumeric sheet designation system, 'S' prefix sheets are Structural drawings, while 'C' designates Civil, 'A' Architectural, 'M' Mechanical, 'P' Plumbing, and 'E' Electrical.
What is the purpose of a wall type legend on architectural drawings?
Answer: To define and identify the different wall assembly types used in the project with their components and fire ratings
A wall type legend graphically defines each wall assembly type used on the project, showing the layered components, thickness, and fire rating, keyed to designations used on the floor plans.