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All Journal Jurnal Mahasiswa Jurusan Teknik Pengairan Jurnal Teknik Pengairan: Journal of Water Resources Engineering Civil and Environmental Science Journal (CIVENSE) DIKEMAS (Jurnal Pengabdian Kepada Masyarakat)
Dian Sisinggih
Jurusan Teknik Pengairan Fakultas Teknik Universitas Brawijaya
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Social Sciences

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Studi Penentuan Control Water Level Maksimum Waduk Sutami dan Lahor untuk Menghindari Kemungkinan Terjadi Overtopping Akibat Banjir PMF Sisinggih, Dian; M., Arief Satria; Masrevaniah, Aniek
Jurnal Teknik Pengairan Vol 2, No 2 (2011)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

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Abstract

Maksud dari studi ini adalah untuk mengetahui nilai CWL (Control Water Level) maksimum yang diijinkan setiap bulan di Waduk Sutami dan Lahor berdasarkan analisa penelusuran banjir debit PMF (probable maximum flood). Tujuan dari studi ini adalah untuk mengantisipasi kemungkinan terjadinya overtopping akibat debit banjir PMF (QPMF). Studi ini perlu dilakukan mengingat Bendungan Sutami dan Lahor pada saat perencanaan masih didesain dengan debit banjir pada kala ulang 1000 tahun (Q1000 th) sedangkan standar keamanan bendungan yang ditetapkan oleh Komisi Keamanan Bendungan saat ini adalah debit banjir PMF.Metode yang digunakan dalam penelitian ini adalah analisa hidrologi debit banjir rancangan Q1000 dan QPMF serta penelusuran banjir di kedua waduk tersebut yang dilakukan secara simultan, karena kedua waduk ini terhubung oleh terowongan penghubung Waduk Lahor dan Sutami. Dari hasil analisa hidrologi QPMF tahunan yang berpotensi terjadi pada Bendungan Sutami nilainya adalah 11.629,14 m3/dt, dimana nilai QPMF ini setara dengan 2,31x Q1000 th. Sedangkan QPMF tahunan yang berpotensi terjadi di Bendungan Lahor nilainya adalah 2.731,00 m3/dt, dimana nilai PMF ini setara dengan 2,70 x Q1000 th.Berdasarkan hasil analisa penelusuran banjir QPMF bulanan diperoleh hasil bahwa nilai CWL maksimum bergerak pada rentang nilai elevasi muka air waduk minimum + 257,00 m dan maksimum + 267,00 m. Dimana nilai ini memberikan hasil bahwa pada Bendungan Sutami masih berpotensi terjadi overtopping sebanyak 3 kali kejadian dalam satu tahun dengan tinggi air 3,09 m di atas elevasi puncak bendungan. Oleh karena itu untukmengantisipasi kemungkinan terjadi overtopping, secara struktural perlu dilakukan studi alternatif pembuatan pelimpah darurat pada Bendungan Sutami. Sedangkan pada Bendungan Lahor dengan adanya tinggi parapet setinggi 1 m sudah tidak berpotensi terjadi overtopping.Kata kunci: Control Water Level, Penelusuran Banjir, Probable Maximum Flood, Waduk,Overtopping
EVALUASI DAN SIMULASI POLA OPERASI BENDUNG GERAK TEMPE PROVINSI SULAWESI SELATAN Rifai, A; Dermawan, Very; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 7, No 2 (2016)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstrak: Bendung Gerak Tempe yang berada dihilir Danau Tempe diperuntukkan untuk menjaga elevasi muka air Danau Tempe. Elevasi muka air yang harus dipertahankan pada Danau Tempe adalah elevasi +5,00 m.  Dari hasil evaluasi dan simulasi, bulan Januari sampai dengan bulan Agustus rata-rata muka air Danau Tempe dan Bendung Gerak adalah lebih tinggi dari elevasi +5,30 m, sehingga Pintu utama dan pintu navigasi dibuka penuh sehingga banjir tidak membahayakan daerah hulu Bendung Gerak Tempe. Sedangkan pada bulan September sampai dengan bulan Desember muka air pada Danau Tempe dan Bendung Gerak lebih rendah dari elevasi +5,00 m, sehingga muka air perlu dinaikkan sesuai yang harus dipertahankan yaitu pada elevasi +5,00 m, dengan jalan melakukan pengoperasian (penutupan) Pintu Utama maupun Pintu Navigasi. Kata Kunci: Bendung Gerak Tempe, Pintu Sorong, Danau Tempe, Banjir, Simulasi HEC-RASAbstract: Tempe Barrage is located on the  downstream of Lake Tempe that it functioned to maintain water level of Lake Tempe. Water levels of Tempe Lake to be maintained at elevation of +5.00 m. The results of evaluation and simulation shown that from January to August the average water level of Lake Tempe and Tempe Barrage is higher than the elevation of +5,30 m, main gate and the navigation gate was fully opened to control flooding at upstream area of Tempe Lake. Furthermore, on September until December the water level on Tempe Lake and Tempe Barrage is lower than the elevation of +5,00 m, so that the water level should be increased to maintain the elevation of +5,00 m, by closed the  Main Gate and Navigation Gate.Keyword: Tempe Barrage, Sluice Gate, Tempe Lake, Flood, HEC-RAS Simulation
KAJIAN PENANGANAN SEDIMENTASI DANAU TONDANO Sorey, Teddy Dolfie; Bisri, Mohammad; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 7, No 2 (2016)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak : Pengelolaan DAS yang tidak tepat dapat mengakibatkan masalah erosi dan sedimentasi seperti yang terjadi di Danau Tondano, Provinsi Sulawesi Utara yang mengalami pendangkalan, sehingga mengancam masyarakat sebagai pemanfaat danau dan kelestarian danau itu sendiri. Penyebab utama pendangkalan adalah masuknya sedimen terutama berasal dari Sub DAS Panasen dan Ranoweleng akibat perubahan tataguna lahan. Hasil penelitian tahun 2010 menunjukkan 74% luas DAS Danau Tondano masuk klasifikasi ringan sampai sedang, sedangkan 26% kritis. Hal ini mengindikasikan bahwa karakteristik lahan tersebut sebagian besar cukup kebal terhadap potensi erosi. Hasil penelitian saat ini didapat laju erosi 17,88 ton/hektar/tahun, debit inflow 3,55 m3/det, inflow sedimen 72.409 m3/tahun. Penanganan dilakukan secara vegetatif  dengan menetapkan jenis tanaman dan manajemen kawasan penyangga serta secara mekanik dengan membangun cekdam baru. Kata Kunci : Sub DAS, Erosi, Sedimentasi, Pendangkalan Danau, Konsep Penanganan Abstract :Improper watershed management can lead to problems such as erosion and sedimentation that occurred in Lake of Tondano, North Sulawesi Province which is currently experiencing silting up, thus threatening the society as the lake users and the preservation of the lake itself. The main cause of silting is the influx of sediment which primarily derived from Panasen Sub-watershed and Ranoweleng as a result of changes in land use. The results of the study in 2010 showed that 74% of Tondano Lake watershed area is classified as small to medium, while the rest 26 % categorized as critical. This indicates that the characteristics of the land is mostly quite resistant to the erosion potential. The results of the current study obtained erosion rate 17,88tonnes / ha / year, the discharge inflow 3,55 m3/s and the sediment inflow 72.409 m3/year. The handling is conducted vegetatively by determining the type of plant and management of buffer zones as well as mechanically by building new checkdam. Keywords : Sub Watershed, Erosion, Sedimentation, Silting Up of lake, Handling Concept
Pola Pengendalian Banjir Kawasan Bambu Kuning Kota Jayapura Koyari, Elroy; Priyantoro, Dwi; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 3, No 2 (2012)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Masalah yang paling sering muncul di daerah perkotaan akibat pesatnya pertumbuhan ekonomi dan pembangunan adalah masalah banjir.Tujuan penelitian ini adalah untuk menyiapkan pola dan rancangan penanggulangan banjir pada kawasan Bambu Kuning Kota Jayapura. Faktor penyebab banjir di lokasi studi, diantaranya adalah sistem drainase eksisting tidak mampu menampung debit limpasan permukaan, hal ini karena dimensi saluran drainase terlalu kecil yaitu lebar 0,3 m dan tinggi saluran 0,3 m dengan kapasitas tampungan sebesar 355m3, sedangkan volume banjir limpasan permukaan adalah 5.700 m3, selain itu tidak adanya outlet drainase dari kolam tampungan sehingga genangan meluap ke jalan raga serta adanya permukiman penduduk yang dibangun diatas kolam tampungan dengan cara menimbun kolam tampungan dengan tanah mengakibatkan kapasitas kolam tampungan berkurang dari volume 5.169 m3 menjadi 3.500 m3 Untuk itu diperlukan alternatif upaya penangan banjir di kawasan Bambu Kuning secara komprehensif meliputi normalisasi saluran dengan cara memperlebar dan memperdalam saluran eksisting, membuat saluran baru, membuat long storage channel kombinasi parafet dan gorong-gorong, dan melakukan pengerukan kolam tampungan.Kata kunci: Debit limpasan permukaan, penanggulangan banjir, normalisasi saluran, long storage channel.
Studi Penanganan Konservasi Lahan Di Sub Das Keduang Das Bengawan Solo Kabupaten Wonogiri Rahman, Mahyaya M.; Harisuseno, Donny; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 3, No 2 (2012)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The presence of reservoir Gajah Mungkur (WGM) has the primary function as flood control, irrigation, drinking water suppliers, and producing electricity. But the great flood of 2008 occurred along the Bengawan Solo River flow due to siltation (sedimentation). Studi JICA ascertainable average annual sediment 1993-2004 period of 3.18 million m3. Sediment Keduang largest river erosion is about 33% of the total sedimentation.The determination of the rate of erosion and sediment in the sub-watershed Keduang with Erosion AVSWAT 2000 obtained a total of 172.2379 tons/ha/year. While the total sediment entering the outlet approximately 1,152,435.58 tons/ha/year. In addition, there are forests only 319.17 ha or 0.87% of total sub-watershed. Vegetatif conservation treatment affects the long-term preservation of nature is a perennial plant that productive and economic value of crop Distance, cocoa, cashew, sugar cane, citrus and grass plants. But mechanical conservation measures only temporary sediment controls such as making buildings or Check Dam.Key words: erosion, sedimentation and conservation
Uji Model Fisik Kapasitas Aliran Pada Lubang Pengisian Tampungan Di Bawah Saluran Drainasi (Underdrain Box Storage) Kuncoro, Yudo Tri; Sisinggih, Dian; Priyantoro, Dwi
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

This paper discusses the results of a physical modelling of drainage channel where the holes at the bottom were arranged along the channel to fill the storage underneath. This research could be the initial step to get a formulation of flow capacity through drainage channel’s orifice, and expected to push further research. The results show that it is necessary take corrections to the formulation of flow through an orifice of tank in order to estimate flow through an orifice with horizontal flow. Formulation of flow capacity through orifice with horizontal flow above can be approximated by the relationship curves between Fr (Froude) and Q 2 / (h 1 5 .g) 1/2 as well as between Fr and a/h1 2Keywords: physical modelling, flow capacity, underdrain box storage
Studi Kerentanan Air Tanah Terhadap Kontaminan Di Cekungan Airtanah Negara Kabupaten Jembrana Provinsi Bali Frederich Gunawan, Wayan Andi; Sisinggih, Dian; Dermawan, Very
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The government of Jembrana Regency will exploit the groundwater to develop area potency. Seven thematic maps of the DRASTIC and SINTACS method were developed in order to asses the vulnerability of groundwater to contaminate and these include the depth to water table, recharge, aquifer media, soil media, topography, impact of vadose zone and hydraulic conductivity. Determination of the DRASTIC Index (DI) and SINTACS Index (SI) was done by multiplaying each parameter weight by its value rating and summing the total. Based on DI and SI values, a groundwater vulnerability map was produced using a Geographical Information System (GIS). The Result of this research is groundwater vulnerability in Negara groundwater basin consisted of medium to very high groundwater vulnerability. SINTACS Method is more suitable with the parameter of research location. The result of this research shown that Medium vulnerability is in a part of north Negara ground water basin, while in south area is dominated by high vulnerability level. It is mean that the parameter is give significant impact to the value are included recharge, soil media and topography. Jembrana regency area especially in north area is needed special treatment due to high potency of groundwater vulnerability.Keyword : Groundwater vulnerability, DRASTIC, SINTACS .
Studi Perencanaan Bangunan Pengendalian Akresi Dan Abrasi Di Pantai Tanjungwangi Kabupaten Banyuwangi Hariyoni, Hariyoni; Sisinggih, Dian; Marsudi, Suwanto
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The Tanjungwangi Beach has a length of 4.52 km has been experiencing with accretion and abrasion in some area due to the dominant wave from northeast direction. Therefore, it is important to take any actions considered as necessary countermeasures to solve the problem of accretion and abrasion. The aim of this study is to understand the distribution of wave direction, the wave with the return period of 25 years H max , H , and the dominance of wave from northeast direction. In term of sediment transport and coastline stability problems, the study location is aiming to find the technical solution. The results indicated that the direction of highest wave comes from the south with rate of 51.505 %, while the highest wave was developed from the northeast direction was 12.596 %. Transported sediment based on data analysis were 13,267.552 m 10 3 /year (abrasion) and 812.239 m /year (accretion). However, the field observation within 10 year period showed that the transport rates are 13,294.955 m 3 /year (abrasion) and 808.018 m 3 3 /year (accretion). Based on the analysis, Tanjungwangi Beach is majorly experiencing with abrasion processes. The revetment structure of natural rock pile was suggested to be set up within the study area.Keywords: Tanjungwangi beach, wave, accretion, abrasion, revetment
Tinjauan Ekohidraulik Pada Uji Model Fisik Bangunan Pelimpah Waduk Pidekso Kabupaten Wonogiri Suprijanto, Heri; Masrevaniah, Aniek; Prasetijo, Hari; Sisinggih, Dian; Primantyo, Andre
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Within this physical hydraulic model of spillway of the Pidekso Dam, the experiment consisted of 9-series of testing; 4-series were testing of narrowing the angle of transition channel by 24 degree while 5others were by 12 degree. For the testing of series No.0 (original design) to No.8, the flow capacity was adequate for various discharges over spillway and outlet structure. Overall, the best hydraulic performance of the model was achieved by series No.4 in term of flow condition (uniformly distributed). This was a model of transition channel with angle of transition of 12 degree and no baffle apron used.Basically, all of testing of the model series No.0 to No.8 brought the positive impact to the downstream-part (section No.36) by considering the dissolved oxygen (DO) level. It was ranging from 11.1 mg/l to 14.2 mg/ l. According to the results of DO level, then only the series No.0 to No.3 were chosen as alternatives design for the case of transition channel with the angle of 24 degree combined with various dimensions of baffle apron. There were regular changes of DO level but the values were still lying above the minimum requirement level and were not harmful for fishery.By respecting to the eco-hydraulic concept, the downstream waterway was designed to be the stone pitching combined with vegetation. It was suggested that the bare floodplain at downstream-part need to be greening by mean of vegetation.Keyword: dam, spillway, baffle apron, dissolved oxygen
Analisa Kuantitas Dan Kualitas Airtanah Di Kecamatan Kubu Kabupaten Karangasem Provinsi Bali Wijayanti, Putu Ratih; Sholichin, Moh.; Sisinggih, Dian
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Kubu Subdistrict is located at Karangasem District and belongs to Tejakula Groundwater Basin. It is droughty region with few rainfalls compared to other region. The purpose of this research is to determine the quantity and the quality of groundwater for agriculture. The analysis of groundwater quantity is by applying the pumping test. The pumping test is divided into two stages, which are well test and aquifer test. Result of well test at 7 (seven) production wells is obtaining the optimum discharge ranging from 10.107 liter/second to 18.604 liter/second. Aquifer test analysis involves the first stage is to determine the type of flow from each well that is steady or unsteady flows, and then determine the method that will be used based on the type of flow and type of aquifer. In determining the type of flow is obtained steady flow types for 3 (three) wells and unsteady flow types for 4 (four) wells. Groundwater quality analysis is conducted by Aquachem software version 2011.1 (demo version). Based on the analysis of groundwater quality, groundwater is containing low and medium Sodium and have high and very high salinity.Keywords: quantity, quality, groundwater, wells test, aquifer test, Sodium.
Co-Authors Abdillah, Rusdan Adiputra, Dhimas Satibi Andre Primantyo Aniek Masrevaniah Arief Satria M. Bayu Rahayudi Bayu Wicaksono Berlian, Ramadhan Sangsang Cahya, Evi Nur Danang Bimo Irianto Dermawan, Delivean Rakha Donny Harisuseno Dwi Priyantoro Dwiprayogo, Bayu Elroy Koyari Fachrudin, Faruq Abdurrahman Hari Prasetijo Hariyoni Hariyoni Heri Suprijanto Ikrar Hanggara, Ikrar Iskandar Iskandar K., Anggraeni Dwi Lily Montarcih Limantara M. Bisri Mahyaya M. Rahman Moh. Sholichin Mohammad Bisri Muhammad Bisri Munfarid, Munfarid Nita Rahayu Pitojo Tri Juwono Puguh Wahyudi, Puguh Putu Ratih Wijayanti Qadri S, Wahyuddin Rahman, Kurdianto Idi Rifai, A Runi Asmaranto Sorey, Teddy Dolfie Sri Wahyuni Sugiarto S Sulianto Sulianto Sumiadi, Sumiadi Sundoro, Galih Habsoro Suwanto Marsudi Very Dermawan Wahyu Prasetyo Wayan Andi Frederich Gunawan Widodo, Ibnu Sam Yudo Tri Kuncoro Zainuri, Ekhsan