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Man-hour rate = man-hours required for work / completed work quantity. Example: Excavation 0.125 mh/cy. The man-hour rate is related to the inverse of the production rate times the number of workers in the crew performing the work. Example: Excavation at 8 cy/day (8-hour day) with 2-man crew = 2 x 8 / 8 = 2 man-hours/cy. See also Production rate.
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 ...
HOK, Bennett Wagner & Grody Architects, RMH Group, Rocky Mountain Institute, Mortenson Construction, and CH2M HILL Tesla, Inc. 2020 1.31 [42] 1.5 Äänekoski Bio Product Factory (Äänekosken biotuotetehdas) Äänekoski Finland: Metsä Group: 2017 1.33 (1.2B€) [43] 1.47 Mall of Tripla: Helsinki Finland: Arkkitehdit Soini & Horto: YIT ...
Construction manager cost: 5% to 15% of the total project cost. Electrician rate: $50 to $100 per hour. General contractor cost: 10% to 20% of the total project cost. House framer rate: $7 to $16 ...
The most basic element of a cost estimate and therefore the cost database is the estimate line item or work item. [3] An example is "Concrete, 4000 psi (30 MPa)," which is the description of the item. In the cost database, an item is a row or record in a table (of items) and the description is a column or field for that record.
A large dragline system used in the open pit mining industry costs approximately US$50–100 million. A typical bucket has a volume ranging from 40 to 80 cubic yards (30 to 60 cubic metres), though extremely large buckets have ranged up to 220 cubic yards (168 cubic meters). [12] The length of the boom ranges from 45 to 100 metres (148 to 328 ft).
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 cost plus contract states that a client agrees to reimburse a construction company for building expenses such as labor, materials, and other costs, plus additional payment usually stated as a percentage of the contract's full price. This type of construction contract is an alternative to lump sum agreements.