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Technical Note

Economizing the road drainage construction’s cost using standard design, offsetting and setting out method: a case study of Ogbomoso – Oko – Osogbo Road, Nigeria

Abiodun Kilani, Christopher Fapohunda

Department of Civil Engineering, Faculty of Engineering, Federal University Oye - Ekiti, Ekiti – State; Nigeria

Keywords

Abstract



Design;

Highway;

Drainage;

Intersectional point;

Concrete line-drain;

Cost of construction


Construction of good roads for the citizens is one of the major duties of the government of a nation. In some nations of the world today, especially some developing nations, many of the federal roads constructed were not performing up to their designed expectations, thus, causing formation of potholes, road surfaces cracking, swaying of road surfaces, road accidents and bad road-drainage structure. The poor drainage system contributed highly to these road defects. Hence, this article provides the standard design and setting out measures for drainage’s construction, and for the reduction in its construction cost. In the experiment, the theodolite device was set at an intersectional point (I.P) from chain-ages 8 + 250 to 8 + 417 of Ogbomoso – Oko -Osogbo road. At each I.P, poles were bisected within I.P to I.P1 and I.P to I.P2.The excavated trenches were marked out with pegs for drainage construction. At the bisection of pole 6 and pole B, the excavated depths of the marked areas were increased by 42.3% and 31.4% than the areas with the mean excavation depths compared with other points. Thus, the costs of drainage construction at those points were increased by $2,175.58 and $1,277.32 respectively. This resulted into inflation in the costs of drainage construction at those areas. This construction cost increment was controlled by effective taken off, accurate quantification of project works and standard project’s cost estimation. It was concluded that accurate design calculations, good drainage’s setting out and project’s cost estimation will prevent the construction engineers from run into lost or have excessive spending during the construction of drainage system.

© 2022 MIM Research Group. All rights reserved.

LATEST News


8/12/2023 Special Issue: Embark on a journey of innovation with the journal of Research on Engineering Structures and Materials as we unveil a compelling opportunity for contributors in our upcoming special issue, "Design, Analysis, and Manufacturing of Composite Vehicle Structures." Led by distinguished Guest Editors Liubov Gavva and Oleg Mitrofanov from Moscow Aviation Institute. For more info see the link.


21/10/2023 Journal Submission System Upgrade Completed: We're delighted to announce that our Journal Submission and Tracking System has undergone a significant upgrade, aimed at enhancing your experience. We apologize for the delay, and any inconvenience it may have caused. Here are the key enhancements from a user perspective:

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27/12/2022 Reviewer AwardsThe winners of 2022 reviewer awards of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Reviewer Awards section. 


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LATEST AWARDS


2022 Reviewer Awards:

Please, visit Reviewer Awards section for the winners of the 2022 RESM reviewer awards.


2022 Best Paper Award:

The paper authored by Nitin Kumar, Michele Barbato, Erika L. Rengifo-López and Fabio Matta entitled as “Capabilities and limitations of existing finite element simplified micro-modeling techniques for unreinforced masonry” is awarded the 


2022 Most Cited Paper Award:

The paper authored by Aykut Elmas, Güliz Akyüz, Ayhan Bergal, Müberra Andaç and Ömer Andaç entitled as “Mathematical modelling of drug release" is awarded the


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