Cost Comparison of Drainage Channel Construction Considering Uncertainty of Rainfall Distribution

Rainfall data is the main parameter to design drainage channel. The accuracy of rainfall data determines the accuracy of peak discharge estimation that is used for designing the drainage channel for flood mitigation purpose. The previous study presented that uncertainty of peak discharge is associat...

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Main Authors: Intan Supraba, Istiarto Istiarto, Radianta Triatmadja
Format: Article
Language:English
Published: Universitas Gadjah Mada 2019-01-01
Series:Journal of the Civil Engineering Forum
Subjects:
Online Access:https://jurnal.ugm.ac.id/jcef/article/view/39121
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author Intan Supraba
Istiarto Istiarto
Radianta Triatmadja
author_facet Intan Supraba
Istiarto Istiarto
Radianta Triatmadja
author_sort Intan Supraba
collection DOAJ
description Rainfall data is the main parameter to design drainage channel. The accuracy of rainfall data determines the accuracy of peak discharge estimation that is used for designing the drainage channel for flood mitigation purpose. The previous study presented that uncertainty of peak discharge is associated with the uncertainty of rainfall distribution and uncertainty of water holding capacity. The main purpose of this study is for understanding the sensitivity of rainfall data by comparing the estimated cost to construct drainage channel based on different values of peak discharges using two different rainfall data set which one rainfall data is created by considering 10% uncertainty of rainfall distribution. This study area is located on Plampang, Sumbawa Besar, West Nusa Tenggara. Results showed that the total cost to construct drainage channel increased by 15% if considering 10% uncertainty of rainfall.
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spelling doaj.art-d3ec5d93183b489e84ba3bae13ce233f2022-12-22T03:46:47ZengUniversitas Gadjah MadaJournal of the Civil Engineering Forum2581-10372549-59252019-01-0151758210.22146/jcef.3912123256Cost Comparison of Drainage Channel Construction Considering Uncertainty of Rainfall DistributionIntan Supraba0Istiarto Istiarto1Radianta TriatmadjaDepartment of Civil and Environmental Engineering, Universitas Gadjah Mada, Yogyakarta, INDONESIADepartment of Civil and Environmental Engineering, Universitas Gadjah Mada, Yogyakarta, INDONESIARainfall data is the main parameter to design drainage channel. The accuracy of rainfall data determines the accuracy of peak discharge estimation that is used for designing the drainage channel for flood mitigation purpose. The previous study presented that uncertainty of peak discharge is associated with the uncertainty of rainfall distribution and uncertainty of water holding capacity. The main purpose of this study is for understanding the sensitivity of rainfall data by comparing the estimated cost to construct drainage channel based on different values of peak discharges using two different rainfall data set which one rainfall data is created by considering 10% uncertainty of rainfall distribution. This study area is located on Plampang, Sumbawa Besar, West Nusa Tenggara. Results showed that the total cost to construct drainage channel increased by 15% if considering 10% uncertainty of rainfall.https://jurnal.ugm.ac.id/jcef/article/view/39121Uncertainty of rainfall distributioncost estimationdrainage channel
spellingShingle Intan Supraba
Istiarto Istiarto
Radianta Triatmadja
Cost Comparison of Drainage Channel Construction Considering Uncertainty of Rainfall Distribution
Journal of the Civil Engineering Forum
Uncertainty of rainfall distribution
cost estimation
drainage channel
title Cost Comparison of Drainage Channel Construction Considering Uncertainty of Rainfall Distribution
title_full Cost Comparison of Drainage Channel Construction Considering Uncertainty of Rainfall Distribution
title_fullStr Cost Comparison of Drainage Channel Construction Considering Uncertainty of Rainfall Distribution
title_full_unstemmed Cost Comparison of Drainage Channel Construction Considering Uncertainty of Rainfall Distribution
title_short Cost Comparison of Drainage Channel Construction Considering Uncertainty of Rainfall Distribution
title_sort cost comparison of drainage channel construction considering uncertainty of rainfall distribution
topic Uncertainty of rainfall distribution
cost estimation
drainage channel
url https://jurnal.ugm.ac.id/jcef/article/view/39121
work_keys_str_mv AT intansupraba costcomparisonofdrainagechannelconstructionconsideringuncertaintyofrainfalldistribution
AT istiartoistiarto costcomparisonofdrainagechannelconstructionconsideringuncertaintyofrainfalldistribution
AT radiantatriatmadja costcomparisonofdrainagechannelconstructionconsideringuncertaintyofrainfalldistribution