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Father of Soil Mechanics
Dr. Karl Terzhagi
Overhaul
Authorized hauling in excess of free haul distance
Unclassified Excavation
Not classified and included in other pay item
Rock Excavation
Igneous, Sedimentary and Metamorphic Rock and all boulders with volume of 1cu.m or more
Common Excavation
Not included in the BOQ under rock excavation or other pay item
Muck Excavation
Saturated and Unsaturated mixture of soils and organic matter not suitable for foundation
Minimum distance of water table from subgrade level?
4 - 5 feet
Mechanic Stabilization
Combining two or more soil to produce good grading on gravel, sand, silt and clay
Calcium Chloride or Rock Salt
Common material stabilizing MC of soil or liquid and hygroscope in nature
Unsuitable Granular Soil
If dried
Unsuitable Clay Soil
If MC increased