An excavation of 25,750 m3 (bm) is to be made for the foundation excavation of a building in 5 weeks assuming 6 workdays per week and 8 hours working time per day. It is expected that during excavation 5.0 workdays will be lost due to bad weather conditions. The excavation will be done in dry earth with an average depth of cut of 3,25 meter. Angle of swing is about 90°. Estimated working time in an hour is about 51 minutes. Calculate the unit cost of excavation in TL/m3 if hourly costs are 300 TL for the selected backhoe and 100 TL for the trucks.

An excavation of 25,750 m3 (bm) is to be made for the foundation excavation of a building in 5 weeks assuming 6 workdays per week and 8 hours working time per day. It is expected that during excavation 5.0 workdays will be lost due to bad weather conditions. The excavation will be done in dry earth with an average depth of cut of 3,25 meter. Angle of swing is about 90°. Estimated working time in an hour is about 51 minutes. Calculate the unit cost of excavation in TL/m3 if hourly costs are 300 TL for the selected backhoe and 100 TL for the trucks.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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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

An excavation of 25,750 m3 (bm) is to be made for the foundation excavation of a building in 5 weeks assuming 6
workdays per week and 8 hours working time per day. It is expected that during excavation 5.0 workdays will be lost
due to bad weather conditions. The excavation will be done in dry earth with an average depth of cut of 3,25 meter.
Angle of swing is about 90°. Estimated working time in an hour is about 51 minutes.
Calculate the unit cost of excavation in TL/m3 if hourly costs are 300 TL for the selected
backhoe and 100 TL for the trucks.

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