Determine the cost per cubic yard for each condition. Be aggressive withthe assumed fill factor.ConditionMaterialDepth of excavation (ft)Angle of swing (degrees)Percent swellEfficiency factor (min per hr)(1)Dry clay (tough)105045(2)Sand and gravel(gravel, wet)14801650 A crawler hoe having a 2-cy bucket and whose cost per hour is $115(without operator) will excavate and load trucks under each of thestated conditions. The maximum digging depth of the machine is 22 ft.

Given Maximum digging depth= 22 ft

A crawler hoe having a 2-cy bucket and whose cost per hour is $115 (without operator) will excavate and load trucks under each of the stated conditions. The maximum digging depth of the machine is 22 ft.

A crawler hoe having a 2-cy bucket and whose cost per hour is $115 (without operator) will excavate and load trucks under each of the stated conditions. The maximum digging depth of the machine is 22 ft.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter18: Sheet-pile Walls

Section: Chapter Questions

Problem 18.6P

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Concept explainers

Measuring site work, Excavation and Piling

Bid drawings typically include very little material about the precise requirements of site work operations, measuring site work and excavation work differs from measuring most other works on a construction project. The actual site work conditions are not provided and also the dimensions of the excavations are not known during the pre-construction phase. The precise measurement of the excavation and backfill of the earth material and topsoil is important for a contractor to decide upon the total cost required for the process. All the works should be carried out under OSHA (Occupational Safety and Health Administration) standards to ensure the safety of the workers.

Question

Determine the cost per cubic yard for each condition. Be aggressive with
the assumed fill factor.
Condition
Material
Depth of excavation (ft)
Angle of swing (degrees)
Percent swell
Efficiency factor (min per hr)
(1)
Dry clay (tough)
10
50
45
(2)
Sand and gravel
(gravel, wet)
14
80
16
50

A crawler hoe having a 2-cy bucket and whose cost per hour is $115
(without operator) will excavate and load trucks under each of the
stated conditions. The maximum digging depth of the machine is 22 ft.

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