Blueprint Reading & Specifications Flashcards
7 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 7 Blueprint Reading & Specifications flashcards as text
What information does a 'general notes' block on a drawing set typically provide?
Answer: Project-wide assumptions, codes referenced, and standard requirements that apply throughout the drawings
General notes establish baseline rules, applicable codes, and assumptions that govern the entire drawing set.
On a piping or mechanical drawing, what does the symbol 'BOP' indicate about a pipe's elevation?
Answer: Bottom of pipe, measured to the lowest outside surface
BOP (Bottom of Pipe) gives the elevation to the pipe's lowest outside edge, used for coordination with structure and other trades.
A welding symbol with a filled-in circle at the intersection of the reference line and arrow indicates:
Answer: A field weld (to be performed on site)
A filled circle at the reference line–arrow junction is the standard symbol for a field weld.
What is the purpose of an addendum issued during the bidding phase of a project?
Answer: To formally modify the contract documents before bids are submitted
An addendum changes or clarifies the bidding documents during the bid period, before any contract is signed.
On structural drawings, what does the notation 'TOS +14'-6"' typically specify?
Answer: Top of steel elevation is 14 feet 6 inches above the reference datum
TOS stands for Top of Steel, and the elevation indicates where the top surface of the structural steel member sits relative to the project datum.
Which of the following best describes a 'submittal' in the context of construction specifications?
Answer: Shop drawings, product data, or samples provided by the contractor for engineer/architect review and approval
Submittals are contractor-provided documents demonstrating that proposed materials and methods conform to the contract requirements.
On a reflected ceiling plan (RCP), the viewpoint convention is:
Answer: Looking up at the ceiling from below as if reflected in a mirror on the floor
An RCP shows what you would see if a mirror were placed on the floor — the ceiling reflected downward, maintaining plan orientation.