CPI CPI Site Preparation & Layout Planning

Question 1

Before beginning excavation on a job site in the US, which free service must an installer call to locate underground utilities?

Accepted Answer

811 (Call Before You Dig)

Answer

Local fire department

Answer

OSHA hotline (1-800-321-OSHA)

Answer

Local building department

Question 2

What is the purpose of a site plan benchmark during a construction layout?

Accepted Answer

It establishes a fixed reference elevation for all vertical measurements

Answer

It marks the location of underground hazards

Answer

It designates the area for material storage

Answer

It identifies the property corners for legal surveys

Question 3

When establishing building layout lines with batter boards, what is the correct sequence?

Accepted Answer

Drive corner stakes, set batter boards outside corners, attach string lines

Answer

Set batter boards, drive corner stakes, pull string lines

Answer

Pull string lines first, then anchor with corner stakes

Answer

Pour footings first, then set batter boards for superstructure layout

Question 4

Which method is used on-site to verify that a layout corner is square (90°)?

Accepted Answer

Both A and C

Answer

3-4-5 rule (Pythagorean triangle)

Answer

Using a standard carpenter's square only

Answer

Measuring equal diagonals only

Question 5

What does the term 'finish grade' refer to on a site plan?

Accepted Answer

The final planned elevation of the ground surface after grading is complete

Answer

The quality rating of the topsoil to be imported

Answer

The slope of interior finished floors

Answer

The grade of aggregate used under foundations

Question 6

What minimum slope away from a structure is generally required by residential building codes for positive drainage?

Accepted Answer

2% (1/4 inch per foot) for at least 6 feet

Answer

1% (1/8 inch per foot) for at least 6 feet

Answer

5% (1/2 inch per foot) for at least 10 feet

Answer

10% (1 inch per foot) for at least 3 feet