Rock excavation, hydraulic hammer
$36.88 / CY
EW-024 · MasterFormat 31 23 16.26 · CY
What’s in this rate
This unit covers Rock excavation, hydraulic hammer, measured per cubic yard. The operator breaks rock with an excavator-mounted hydraulic hammer and loads it out. The rate covers the listed material, labor, and small tools. Rippable rock, blasting, hauling, and common excavation stay on their own units.
Includes
- hydraulic hammer breakage
- load trucks
- bit / wear allowance
- operator and laborer time and equipment listed in the build-up
- stated material waste and small tools
Excludes
- blasting
- haul and disposal
- crushing / processing
- vibration monitoring
- 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, 0.0958 hr × $52.00
- $4.98
- Laborer, 0.0833 hr × $38.00
- $3.17
- Material and small tools
- $1.48
- Equipment, hydraulic excavator ~35 t / ~1.5–2 CY bucket class, 0.0958 hr per unit
- $12.94
- Equipment, hydraulic breaker attachment ~3,000 ft-lb class (add-on to carrier), 0.0833 hr per unit
- $7.91
- Direct rate (labor, material, equipment, and tools)
- $30.48 / CY
- Overhead 10% of direct
- $3.05
- Fee 10% of (direct and overhead)
- $3.35
- Loaded rate
- $36.88 / CY
Worked extension: 100 CY of commercial rock excavation, hydraulic hammer × $36.88 = $3,688.00 loaded for 100 CY. Quantity is a worked extension.
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