Contour lines show the original grade of a site with short, dashed lines.

A proposed residence on a site plan is surrounded by contour lines that have increasing numbers as they move away from the building. This indicates that the ____.

The topographic features shown on a site plan are comprised solely of natural objects.

The first stage of plumbing installation is attaching the fixtures to walls.

The labor costs used in estimates will typically be higher than the actual hourly rate paid to the workers.

Copper piping should be embedded in the concrete foundation walls of a residence.

If it takes three concrete workers 1 hour to pour 5 yd3 of concrete, and each worker makes $15 an hour, how much will it cost to pour 25 yd3?

Architectural drawings do not provide information for materials behind walls.

A cut through the entire structure will create a ____ section.

Elevations may be identified by the ____ direction that the elevation faces.