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All Journal Jurnal Serambi Engineering Borneo Engineering: Jurnal Teknik Sipil
Hari Nugroho
Universitas Diponegoro
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Environmental Science

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Penilaian Indeks Risiko Metode Modifikasi Andersen dan Metode Modifikasi ICOLD untuk Bendungan Palasari, Bendungan Gerokgak dan Bendungan Benel Zakariya Ahmad Aji Pamungkas; Hari Nugroho; Kresno Wikan Sadono
Jurnal Serambi Engineering Vol 8, No 1 (2023): Januari 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i1.5361

Abstract

Dams are infrastructure that have potential hazards if they are not monitored and maintained. The potential hazard of a dam can be identified through a risk assessment. Risk assessment can consist of risk analysis and risk evaluation. The Palasari Dam, the Gerokgak Dam and the Benel Dam were built to be used to supply water to the northern part of Bali Island. This study aims to determine the level of risk posed by the three dams. Dam risk assessment in the study used the modified ICOLD method and the Andersen modified method. The results of the risk assessment are the basis for consideration in determining maintenance and repair priorities. The results of the dam risk index assessment study, using the Andersen modification method, Palasari Dams, Gerokgak Dams, and Benel Dams have a "Satisfactory" classification based on the safety value of the dam. Whereas with the modified ICOLD method the Palasari Dam and the Gerokgak Dam has a "High" risk classification, and the Benel Dam have a "Medium" risk classification.
Analisa Kebutuhan Instrumentasi Geoteknik Dry Dam Bendungan Sawangan Kabupaten Minahasa Utara Farhan Zaky; Hari Nugroho; Sutarto Edhisono
Borneo Engineering : Jurnal Teknik Sipil Volume 7 Nomor 2 Tahun 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/be.v7i2.3661

Abstract

 Located in the downstream watershed, Manado city is at risk of hydrometeorological disasters such as flooding every year, especially in conjunction with high tides. One solution to the city's flooding problem is to provide flood water storage by building the Sawangan dry dam in North Minahasa Regency. In building a dam, dam safety is a very important requirement to minimize disaster risks for the community such as property losses and damage to infrastructure downstream of the dam. Dam safety is highly dependent on the accuracy of planning and during construction. The safety of a dam also depends on the operation stage, the implementation of maintenance, as well as intensive and continuous supervision, monitoring the behavior of the dam and its building facilities. The purpose of the geotechnical instrumentation analysis study of Sawangan Dam in North Minahasa Regency is to determine the ideal geotechnical instrumentation needs in the process of optimal and periodic observation of dam behavior. Geotechnical parameters affect dam behavior due to soil strength related to pore water pressure, water seepage, deformation characteristics of foundation and embankment materials during construction and after construction. Determination of the amount of geotechnical instrumentation installed at Sawangan Dam is based on technical data of the dam dimensions. Based on the analysis conducted, the required geotechnical instrumentation components are; pore water pressure gauges, dam deformation gauges installed inside and outside the embankment, groundwater level gauges, seepage gauges, reservoir water level gauges, and other supporting components. By installing geotechnical instrumentation using telemetry systems or integrated computer systems, data acquisition, management and security are easier.
Penilaian Indeks Risiko Metode Modifikasi Andersen dan Metode Modifikasi ICOLD untuk Bendungan Palasari, Bendungan Gerokgak dan Bendungan Benel Zakariya Ahmad Aji Pamungkas; Hari Nugroho; Kresno Wikan Sadono
Jurnal Serambi Engineering Vol 8, No 1 (2023): Januari 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i1.5361

Abstract

Dams are infrastructure that have potential hazards if they are not monitored and maintained. The potential hazard of a dam can be identified through a risk assessment. Risk assessment can consist of risk analysis and risk evaluation. The Palasari Dam, the Gerokgak Dam and the Benel Dam were built to be used to supply water to the northern part of Bali Island. This study aims to determine the level of risk posed by the three dams. Dam risk assessment in the study used the modified ICOLD method and the Andersen modified method. The results of the risk assessment are the basis for consideration in determining maintenance and repair priorities. The results of the dam risk index assessment study, using the Andersen modification method, Palasari Dams, Gerokgak Dams, and Benel Dams have a "Satisfactory" classification based on the safety value of the dam. Whereas with the modified ICOLD method the Palasari Dam and the Gerokgak Dam has a "High" risk classification, and the Benel Dam have a "Medium" risk classification.
Co-Authors Farhan Zaky Kresno Wikan Sadono Sutarto Edhisono Zakariya Ahmad Aji Pamungkas