CDT Drawing Conventions & Standards 2

Question 1

What is the standard scale most commonly used for architectural floor plans in U.S. construction documents?

Accepted Answer

1/8"=1'-0" or 1/4"=1'-0"

Answer

Architectural floor plans are most commonly drawn at 1/8"=1'-0" for large buildings or 1/4"=1'-0" for smaller buildings to show the overall layout clearly.

Question 2

What is the purpose of a drawing revision cloud and delta symbol?

Accepted Answer

To highlight areas of a drawing that have been changed in a revision and identify the revision number

Answer

A revision cloud outlines the changed area on a drawing and a delta (triangle) with the revision number identifies when the change was made, providing a clear audit trail of drawing revisions.

Question 3

On a door schedule in construction documents, what information is typically included?

Accepted Answer

Door mark, size, material, frame type, hardware set, fire rating, and remarks

Answer

A door schedule organizes all door information in tabular form including each door's mark number, dimensions, material, frame type, hardware set designation, and any special requirements like fire ratings.

Question 4

What does 'NTS' mean when noted on a construction drawing?

Accepted Answer

Not To Scale — indicating the drawing is diagrammatic and dimensions should not be scaled from it

Answer

NTS (Not To Scale) warns the reader that the drawing is schematic or diagrammatic and that actual dimensions should be taken from labeled dimensions, not by scaling the drawing.

Question 5

What is the purpose of a room finish schedule in construction documents?

Accepted Answer

To document the floor, base, wall, and ceiling finishes for every room in the project

Answer

A room finish schedule tabulates the floor, base, wall, and ceiling finishes (materials, products, colors) for every room, coordinating finishes across the project.

CDT - Construction Documents Technologist Practice Test

CDT - Construction Documents Technologist Practice Test

CDT Drawing Conventions & Standards 2