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Detail Karya Ilmiah Dosen

Wahyu Gendam Prakoso, Pengki Irawan, Mohamad Mahfudz

Judul : Hydrological Risk Valuation on The Design of Sukamahi Dry Dam, Bogor, West Java

Abstrak :
The flooding risk has always been considered as an important factor of the risk safety management of dams. The extreme flooding in the downstream of a dam could be either due to dam failure or sometimes without failure. In both cases, they give serious risks to people and property in the downstream of the dam.Sukamahi dry dam at Cisukabirus River is a part of the upper Ciliwung Watershed, located in Bogor regency. Sukamahi dry dam was designed for flood reduction purpose especially for the downstream region e.g. Bogor City, Bogor Regency, Depok City and Jakarta. Sukamahi dam has a capacity in flood reduction of 13.53 m3/s with probability exceeded 2 %, and time to concentration (tc) of peak discharge (Qp) at least 4 hours longer than the existing condition. Construction of a dry dam might increase the magnitude of flood-prone risk especially on the dam breach caused by spillway capacity failure case, although with lower probability. Simulation using HEC RAS 4.1 and an ex-ante hydrological risk valuation Xrisk model were performed with three scenarios, i.e. normal risk, risk-averse and risk-takers, with simplified option value and option risk calculation. Risk valuation can be used by decision-makers to evaluate the technical and risk feasibility of Sukamahi dry dam construction.

Tahun : 2020 Media Publikasi : Prosiding

Kategori : Prosiding No/Vol/Tahun : 012014 / 556 / 2020

ISSN/ISBN : 1755-1315

PTN/S : Universitas Pakuan Program Studi : TEKNIK GEODESI

Bibliography :
[1] Aniskurlillah SG, Asmaranto R, Juwono PT. 2018. Analisa keruntuhan bendungan muka kuning batam menggunakan aplikasi ZHONG XING HY21. http://pengairan.ub.ac.id/wp-content/ uploads/2014/02/Aplikasi-Zhong-Xing-HY21-Untuk-Analisa-Keruntuhan-BendunganMuka-Kuning-Batam-Sona-Gusti-Aniskurlillah.pdf [05 July 2018].

[2] Aven T.2011. Quantitative Risk Assesment. Cambridge University Press.

[3] Balai Besar Wilayah Sungai Ciliwung Cisadane (BBWS). 2014. Revisi Detail Desain Bendungan Sukamahi Kabupaten Bogor Provinsi Jawa Barat.

[4] Christina DY, Juwono PT, Yuliani E. 2016. Analisis Probabilitas Risiko Kegagalan Bendungan Gerokgak Berdasarkan Metode Pohon Kejadian (Event Tree). Jurnal Teknik Pengairan Vol.7 No. 1, 7-16.

[5] Department of Energy and Water Supply. 2013. Guidelines on Acceptable Flood Capacity for Water Dams. State of Quensland: Australia. [6] ICOLD. 2012. Technical Guide on Dam Safety (Risk Analysis Applied to Management of Dam Safety). SPANCOLD: Spain.

[7] Indra Karya. 2013. Studi Detail Desain Bendungan Ciawi dan Bendungan Sukamahi Kabupaten Bogor Provinsi Jawa Barat.

[8] Kementerian Pekerjaan Umum. 1999. Panduan Perencanaan Bendungan Urugan Volume III. Desain Pondasi dan Tubuh Bendungan. Jakarta: Balai Keamanan Bendungan. Direktorat Jenderal Sumberdaya Air.

[9] Kreuzer H. 2000. Risk Analysis of Existing Dams: Merit and Limits of Credibility. Hydropower and Dams. Issue one.

[10] Stematiu D. 2009. Dam Safety Management. Conspress: Bucarest.

[11] Wirustyastuko D, Nugroho J. 2013. Analisis Wilayah Tergenang dan Perilaku Banjir pada Simulasi Kegagalan Bendungan Ciawi. Jurnal Teknik Sipil Vol 20. No.2, 121-131.

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Detail Karya Ilmiah Dosen

Wahyu Gendam Prakoso, Pengki Irawan, Mohamad Mahfudz

Judul	:	Hydrological Risk Valuation on The Design of Sukamahi Dry Dam, Bogor, West Java
Abstrak	:	The flooding risk has always been considered as an important factor of the risk safety management of dams. The extreme flooding in the downstream of a dam could be either due to dam failure or sometimes without failure. In both cases, they give serious risks to people and property in the downstream of the dam.Sukamahi dry dam at Cisukabirus River is a part of the upper Ciliwung Watershed, located in Bogor regency. Sukamahi dry dam was designed for flood reduction purpose especially for the downstream region e.g. Bogor City, Bogor Regency, Depok City and Jakarta. Sukamahi dam has a capacity in flood reduction of 13.53 m3/s with probability exceeded 2 %, and time to concentration (tc) of peak discharge (Qp) at least 4 hours longer than the existing condition. Construction of a dry dam might increase the magnitude of flood-prone risk especially on the dam breach caused by spillway capacity failure case, although with lower probability. Simulation using HEC RAS 4.1 and an ex-ante hydrological risk valuation Xrisk model were performed with three scenarios, i.e. normal risk, risk-averse and risk-takers, with simplified option value and option risk calculation. Risk valuation can be used by decision-makers to evaluate the technical and risk feasibility of Sukamahi dry dam construction.
Tahun	:	2020	Media Publikasi	:	Prosiding
Kategori	:	Prosiding	No/Vol/Tahun	:	012014 / 556 / 2020
ISSN/ISBN	:	1755-1315
PTN/S	:	Universitas Pakuan	Program Studi	:	TEKNIK GEODESI
Bibliography	:	[1] Aniskurlillah SG, Asmaranto R, Juwono PT. 2018. Analisa keruntuhan bendungan muka kuning batam menggunakan aplikasi ZHONG XING HY21. http://pengairan.ub.ac.id/wp-content/ uploads/2014/02/Aplikasi-Zhong-Xing-HY21-Untuk-Analisa-Keruntuhan-BendunganMuka-Kuning-Batam-Sona-Gusti-Aniskurlillah.pdf [05 July 2018]. [2] Aven T.2011. Quantitative Risk Assesment. Cambridge University Press. [3] Balai Besar Wilayah Sungai Ciliwung Cisadane (BBWS). 2014. Revisi Detail Desain Bendungan Sukamahi Kabupaten Bogor Provinsi Jawa Barat. [4] Christina DY, Juwono PT, Yuliani E. 2016. Analisis Probabilitas Risiko Kegagalan Bendungan Gerokgak Berdasarkan Metode Pohon Kejadian (Event Tree). Jurnal Teknik Pengairan Vol.7 No. 1, 7-16. [5] Department of Energy and Water Supply. 2013. Guidelines on Acceptable Flood Capacity for Water Dams. State of Quensland: Australia. [6] ICOLD. 2012. Technical Guide on Dam Safety (Risk Analysis Applied to Management of Dam Safety). SPANCOLD: Spain. [7] Indra Karya. 2013. Studi Detail Desain Bendungan Ciawi dan Bendungan Sukamahi Kabupaten Bogor Provinsi Jawa Barat. [8] Kementerian Pekerjaan Umum. 1999. Panduan Perencanaan Bendungan Urugan Volume III. Desain Pondasi dan Tubuh Bendungan. Jakarta: Balai Keamanan Bendungan. Direktorat Jenderal Sumberdaya Air. [9] Kreuzer H. 2000. Risk Analysis of Existing Dams: Merit and Limits of Credibility. Hydropower and Dams. Issue one. [10] Stematiu D. 2009. Dam Safety Management. Conspress: Bucarest. [11] Wirustyastuko D, Nugroho J. 2013. Analisis Wilayah Tergenang dan Perilaku Banjir pada Simulasi Kegagalan Bendungan Ciawi. Jurnal Teknik Sipil Vol 20. No.2, 121-131.
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