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Estimated treatment costs, which include transportation, spreading, amendments, and monitoring, are about $4–5 per cubic yard. When the treated material is recycled as backfill, net costs are about $1 per cubic yard. Capital costs (not included in the treatment cost estimates) were recovered within the first eight months of operation (Cole ...
Excavation may be classified by type of material: [1]: 13.1 Topsoil excavation; Earth excavation; Rock excavation; Muck excavation – this usually contains excess water and unsuitable soil; Unclassified excavation – this is any combination of material types; Excavation may be classified by the purpose: [1]: 13.1, 13.2
A simple approach involves defining different earthworks features in a computer program and then adjusting elevations manually to calculate the optimal cut and fill. More sophisticated software is able to automatically balance cut and fill while also considering the materials.
The bucket-wheel itself is over 21.3 metres (70 feet) in diameter with 18 buckets, each of which can hold over 15 cubic metres (530 cubic feet) of material. It can move 240,000 m 3 (8,500,000 cu ft) [ 6 ] or [ clarification needed ] 218,880 tonnes of soil per day (the same as Bagger 288).
P&H excavators that started out in the 1920s with dipper and bucket payloads of about 500 pounds / 226 kilograms and dipper and bucket capacities of 0.5 cubic yard / 0.382 cubic meter would evolve into massive and powerful electric mining shovels with maximum dipper payloads of 120 tons / 109 tonnes and maximum capacities of 82 cubic yards / 62 ...
The pro-immigration American Immigration Council estimated that deporting all immigrants in the U.S. illegally over more than a decade would cost $88 billion annually. Homan said the minimum ...
The payment is calculated at a specific rate for each item such as cubic yard for concrete times quantity put in place. “The contractor quotes an owner a price for a particular task or scope of work, though at the time of contracting the parties may not know the actual number of the units of work to be completed.” [ 14 ] Consequently, the ...
The 10,000 steps per day rule isn’t based in science. Here’s what experts have to say about how much you should actually walk per day for maximum benefits.