CDS Blueprint Reading & Specifications 3

Question 1

On structural demolition drawings, what does the abbreviation 'EXG' or 'EXIST.' typically indicate?

Accepted Answer

An existing condition already present on-site

Answer

'EXG' or 'EXIST.' labels elements that are already in place and must be accounted for during demolition planning.

Question 2

A legend on a demolition drawing shows a solid black fill pattern. This most commonly indicates which condition?

Accepted Answer

Material to be demolished and removed

Answer

A solid black or heavy cross-hatch fill pattern in demolition drawings conventionally marks materials scheduled for removal.

Question 3

What information is typically found in the title block of a construction or demolition blueprint?

Accepted Answer

Project name, drawing number, scale, date, and designer's seal

Answer

The title block contains key administrative information: project name, drawing number, revision dates, scale, and the engineer or architect's seal.

Question 4

During selective demolition, blueprints call out 'INFILL' at a door opening. What does this mean for the demolition crew?

Accepted Answer

Demolish the infill already present in the opening

Answer

When blueprints label an opening 'INFILL,' it means a previously blocked or filled opening is to be demolished and opened back up.

Question 5

A specification section's 'Quality Assurance' article typically requires the demolition contractor to do which of the following?

Accepted Answer

Submit qualifications, certifications, and sometimes a pre-demolition survey

Answer

Quality assurance requirements typically mandate proof of contractor qualifications, certifications, and a pre-demolition survey to document existing conditions.

(CDS) Certified Demolition Supervisor Practice Test

(CDS) Certified Demolition Supervisor Practice Test

CDS Blueprint Reading & Specifications 3