Aggregate base course, 12 in compacted

What’s in this rate

This unit covers aggregate base course, 12 in compacted, measured per square foot. The crew hauls crushed gravel base from the quarry, spreads it with a grader in three lifts, waters it, and compacts it with a vibratory roller. Crushed gravel base uses a single regional quarry (Maine) public list price. The rate covers the listed material, labor, and small tools. Subgrade preparation, geotextile / geogrid, and paving stay on their own units.

Build-up

Operator, 0.00069 hr × $52.00

$0.04

Laborer, 0.00035 hr × $38.00

$0.01

Crushed gravel base

single regional quarry (Maine) public list price

Material and small tools

$1.35

Equipment, motor grader ~14 ft blade class, 0.00024 hr per unit

$0.03

Equipment, smooth-drum vibratory roller ~84 in class, 0.00037 hr per unit

$0.03

Equipment, water truck ~2,000–4,000 gal (driven by Operator), 0.00008 hr per unit

$0.01

Equipment, tandem/tri-axle dump truck hire, driver included, 0.0029204 hr per unit

$0.32

Direct rate (labor, material, equipment, and tools)

$1.79 / SF

Overhead 10% of direct

$0.18

Fee 10% of (direct and overhead)

$0.20

Loaded rate

$2.17 / SF

Worked extension: 1,000 SF of commercial aggregate base course, 12 in compacted × $2.17 = $2,170.00 loaded for 1,000 SF. Quantity is a worked extension.

Related rates

• Aggregate base course, 10 in compacted — $1.81 / SF
• Geotextile, nonwoven separation — $0.23 / SF

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