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Project MgmtConstructionmedium63% of exam part

Before the inspection hold point, the team confirms that the work should be released only if the team addresses that clean aggregate base must be densified efficiently. Which compaction equipment is appropriate?

Correct Answer

C) Coordinate vibratory smooth-drum roller

vibratory smooth-drum roller best matches the stated condition. The other choices are real construction options in the same family, but they fit different field conditions.

Answer Options
A
Coordinate padfoot roller
B
Equipment choice: Coordinate static smooth-drum roller
C
Coordinate vibratory smooth-drum roller
D
Coordinate hand tamper

Why This Is the Correct Answer

vibratory smooth-drum roller best matches the stated condition. The other choices are real construction options in the same family, but they fit different field conditions.

Why the Other Options Are Wrong

Option A: Coordinate padfoot roller

Coordinate padfoot roller addresses a neighboring field issue, but not the condition or method control required for granular base compaction.

Option B: Equipment choice: Coordinate static smooth-drum roller

Equipment choice: Coordinate static smooth-drum roller addresses a neighboring field issue, but not the condition or method control required for granular base compaction.

Option D: Coordinate hand tamper

Coordinate hand tamper addresses a neighboring field issue, but not the condition or method control required for granular base compaction.

Memory Technique

The field condition asks; granular base compaction answers in work boots for Foreman Selecting.

Reference Hint

Open-book path: tab Principles and Practices of Commercial Construction, 10th Edition to Earthwork methods; granular base compaction equipment; verify the construction method, material selection, equipment choice, or work sequence that fits the field condition.

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