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

1"=10'-0"

Answer

1/16"=1'-0"

Answer

3"=1'-0"

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

To indicate a new drawing sheet added to the set

Answer

To mark the location of a construction change directive on the drawing

Answer

To show where a section cut passes through the building

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

Door hardware manufacturer pricing and lead times

Answer

Contractor installation sequence and phasing plan

Answer

Door rough opening structural header sizes only

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

Not To Spec — indicating the detail deviates from specifications

Answer

Note To Subcontractor — a field instruction to a specific trade

Answer

No Transfer Section — indicating the detail is not transferable to other projects

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

To specify the HVAC supply and return locations in each room

Answer

To calculate the required lighting levels per room occupancy

Answer

To list the furniture specified for each room by the interior designer

Question 6

In construction drawings, what does an interior elevation drawing show?

Accepted Answer

A flat orthographic view of an interior wall showing cabinets, fixtures, heights, and finishes

Answer

The building's exterior facade from street level

Answer

A cross-section through the building's structural system

Answer

A reflected view of the ceiling grid and light fixtures