Construction Site Preparation ch.10b

Rock fill placement recommendations shall apply if more than 80% of the material is larger than the 4-in. sieve.

• True

• .False

To reduce the potential for differential settlement on this project each pad shall be overexcavated a minimum of 36 in. and replaced with engineered fill.

• .True

• False

In preparation for a project—just before grading—it is wise to pick up samples of both native and import soils (if known) for Proctor analysis.

• .True

• False

The sequence of density tests on a project must be started over on a daily basis beginning at number 1.

• True

• .False

Density test number 142 failed last week, but a retest taken at the same location today passed; however, the last passing test number is now number 215. What is the proper designation for a passing retest of number 142?

• .142R

• 142

• 216

• None of the above