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Question 1

A 'cross-section' drawing is most useful for communicating:

Accepted Answer

Grade changes and vertical relationships through a cut plane

Answer

Cross-sections cut through the site at a specified line to reveal vertical grade relationships, slopes, and subsurface conditions that cannot be shown on a plan view.

Question 2

What is the primary role of 'general notes' on a construction drawing sheet?

Accepted Answer

To provide project-wide instructions, standards, and code references that apply to that sheet or the whole set

Answer

General notes communicate blanket requirements—such as code compliance, inspection requirements, or material standards—that apply broadly rather than to a single element.

Question 3

Which line type is conventionally used to show hidden or underground features on a site plan?

Accepted Answer

Dashed or hidden line

Answer

Dashed lines (hidden lines) indicate features that exist below grade or are not visible in the view, such as underground utilities or footing edges.

Question 4

An 'addendum' issued during bidding is used to:

Accepted Answer

Formally modify or clarify the construction documents before bids are submitted

Answer

An addendum is a written amendment issued to all bidders before bid submission to correct errors, clarify requirements, or change the scope.

Question 5

On an irrigation plan, 'PR' next to a head symbol typically means:

Accepted Answer

Precipitation Rate

Answer

PR on irrigation plans commonly denotes Precipitation Rate, indicating how fast a given sprinkler head applies water in inches per hour.

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