Rock excavation, rippable
$9.12 / CY
EW-023 · MasterFormat 31 23 16.26 · CY
What’s in this rate
This unit covers Rock excavation, rippable, measured per cubic yard. The operator rips rippable rock with a ripper-equipped dozer and loads it with an excavator. The rate covers the listed material, labor, and small tools. Hammered or blasted rock, hauling, and common excavation stay on their own units.
Includes
- rip rock with D8-class ripper
- push up and load trucks
- ripper wear allowance
- operator and laborer time and equipment listed in the build-up
- stated material waste and small tools
Excludes
- blasting
- hydraulic hammering
- haul and disposal
- crushing / processing
- tax / freight beyond the stated delivered material prices
- after-hours, premium access, and contaminated / hazardous soil handling
- geotechnical testing, surveying / staking, and permits
Build-up
- Operator, 0.0292 hr × $52.00
- $1.52
- Laborer, 0.005 hr × $38.00
- $0.19
- Material and small tools
- $0.47
- Equipment, crawler dozer ~D8 class with single-shank ripper, 0.0167 hr per unit
- $3.67
- Equipment, hydraulic excavator ~35 t / ~1.5–2 CY bucket class, 0.0125 hr per unit
- $1.69
- Direct rate (labor, material, equipment, and tools)
- $7.54 / CY
- Overhead 10% of direct
- $0.75
- Fee 10% of (direct and overhead)
- $0.83
- Loaded rate
- $9.12 / CY
Worked extension: 100 CY of commercial rock excavation, rippable × $9.12 = $912.00 loaded for 100 CY. Quantity is a worked extension.
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