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Bambang Sujatmoko
Universitas Riau
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation

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IDENTIFIKASI MASALAH GENANGAN BANJIR DI DESA AUR SATI KABUPATEN KAMPAR, RIAU Bambang Sujatmoko; Yohanna Lilis Handayani; Rinaldi Rinaldi; Buchori Buchori; Elianora Elianora; Ismeddiyanto Ismeddiyanto
BHAKTI NAGORI (Jurnal Pengabdian kepada Masyarakat) Vol. 3 No. 1 (2023): BHAKTI NAGORI (Jurnal Pengabdian kepada Masyarakat) Juni 2023
Publisher : LPPM UNIKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/bhakti_nagori.v3i1.2616

Abstract

Permasalahan drainase di Desa Aur Sati Kecamatan Tambang Kabupaten Kampar adalah timbulnya genangan air di beberapa titik lokasi dan juga munculnya bau yg tak sedap akibat pembuangan limbah rumah tangga yang semrawut. Untuk memecahkan masalah drainase yang ada di desa Aur sati, maka langkah awal yang dilakukan adalah melakukan identifikasi masalah genangan banjir. Identifikasi dilakukan melalui wawancara, pengamatan lapangan, dan pengolahan data citra Lansat dengan geographic information sistem (GIS). Hasil penelitian menunjukkan bahwa genangan banjir terjadi di 3 titik yaitu di Dusun 1, Dusun 2 dan Dusun 4. Penyebab genangan tersebut adalah drainase yang belum terpadu, kondisi saluran drainase juga tidak layak, elevasi yang rendah dibanding sekelilingnya dan pembuangan sampah di saluran drainase sehingga mengakibatkan sumbatan di saluran. Untuk memecahkan masalah genangan banjir yang ada, hasil identifikasi yang telah dilakukan perlu ditindaklanjuti dengan evaluasi dimensi saluran tiap segmen genangan di masing-masing Dusun terdampak. Kata kunci:identifikasi masalah genangan, drainase, desa Aur Sati, sebaran genangan
Identifikasi Kapasitas Tampang Minimum dan Stabilitas Mulut Muara Sungai Siak Propinsi Riau Sujatmoko, Bambang; Pratama, Rizki; Hendri, Andy; Rinaldi, Rinaldi
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 1 (2024): April 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i1.1316

Abstract

Changes in river mouth section capacity caused by instability of river mouth stability would influence flow conditions in upstream estuaries, as impacted by unsmooth drainage of river flow. Section river capacity and mouth river stability of Siak River would be evaluated by the output of tidal prism at the estuary. The tidal prism was predicted by Hecras software. Input data for hydrodynamic simulation consisted of river geometric data, river bed condition, and boundary condition (discharge and water level). The maximum daily rainfall data and Siak’s catchment parameter could predict flood discharge. Longshore sediment transport netto data could be calculated using wave depth data, wave velocity data and direction of wave around the mouth river. The results of the tidal prism calculation show that the existing cross-sectional area of the mouth of the Siak River estuary can only drain the volume of water due to discharge and tides in the 2-year return period (Amin = 3,115 m2 < A ada = 3,225 m2), while for discharge with other return periods, the capacity of the cross-section river is not sufficient. The excess discharge will flow upstream as a backwater. Siak River mouth stability is still relatively good and stable, with a stability number (S) of more than 388,0 (requirement: S > 150). The start of the backwater effect at KM+220 (60 km from the mouth of the river) caused a significant change in water level (0.94 m) due to the damming of the flow caused by the influence of tides and the bifurcation node of the river (delta).
Analisis Angkutan Sedimen Sungai Batang Kuranji Di Kota Padang Menggunakan HEC-RAS 6.1 Sujatmoko, Bambang; Mintio, Reygi Raica; Fauzi, Manyuk
Jurnal Ilmiah Rekayasa Sipil Vol 21 No 2 (2024): Oktober 2024
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jirs.v21i2.1597

Abstract

Sedimentation is one of the problems that often occurs in rivers. Sedimentation that occurs continuously will cause siltation of the riverbed so that it can cause flooding due to reduced cross-sectional capacity of the river. Understanding these conditions, this study was conducted to examine the distribution of sediment transport that occurs in rivers. The river that is the location of the study is Batang Kuranji River which is located in the city of Padang, West Sumatra. HEC-RAS version 6.1 was used to model and simulate the sediment transport process. Simulations were carried out with a duration of 100 days and three flow conditions, flood discharge at return times of 2, 5 and 10 years. The sediment transport function used is the Meyer Peter-Muller equation. The results indicate the occurrence of sedimentary material deposits scattered throughout the study location. The total volume of sediment deposit in flood discharge conditions for 2, 5 and 10 years, respectively, is 6,978 m3; 2,989 m3 and 132 m3. The highest sediment deposit occurred in the simulation with a 10-year return period discharge at RS 14 (STA 1+350) which was 5,141,533 m3. After analysis, the high sediment deposition in the Batang Kuranji river section is caused by a decrease in flow velocity due to the influence of tides at the river estuary.
A comparative study of data-driven models for discharge forecasting: a study case of Siak river, Pekanbaru water gauge station Fauzi, Manyuk; Sujatmoko, Bambang; Darmawan, Igeny Dwiana; Siswanto, Siswanto; Ermiyati, Ermiyati; Misriani, Merley
Journal of Applied Materials and Technology Vol. 6 No. 2 (2025): March 2025
Publisher : Faculty of Engineering Universitas Riau and Applied Materials and Technology Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/Jamt.6.2.47-57

Abstract

The availability of long-term river discharge data covering at least 30 years is needed for proper hydrological studies, so the ability to predict river discharge is a matter of concern in the field of civil engineering. The Siak River in Pekanbaru City experiences overflowing water during the rainy season. One of the steps to prevent flooding on the Siak River is to utilize river discharge information, data-driven models utilize historical data to train or derive useful insights for predicting outputs, some data-driven models that are suitable for generating monthly historical data into new data include the Autoregressive Integrated Moving Average (ARIMA) method and the Thomas-Fiering method. The research begins by conducting the Rescaled Adjusted Partial Sums (RAPS) test to test the homogeneity of the data, then the prediction of discharge data with several schemes using the ARIMA and Thomas-Fiering methods, then the performance comparison between the two models is carried out using MAPE, RMSE, Nash-Sutcliffe, and correlation coefficient r. From the research results, it was found that the Thomas-Fiering method tends to be more accurate for predicting 1-year monthly discharge as well as long-term discharge, namely periods of 3, 5, and 7 years, with the best prediction being 1-year discharge prediction using 5 years of observed discharge with MAPE, RMSE, Nash-Sutcliffe, and correlation coefficient r values of 7.42%, 26.76 m3s-1, 0.92, and 0.96, respectively. This study could be a valuable reference for future studies in selection and further modification of data driven discharge simulation models.
Kalibrasi Metode Clark Dan Snyder Durasi 3 Jam Dan 6 Jam DAS Siak Bagian Hulu Dengan HEC-HMS Rosyid, Rohman; Handayani, Yohanna Lilis; Sujatmoko, Bambang
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5, No 1 (2018): Wisuda April Tahun 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Upper Siak watersheds have increased discharge due to land use change. This study aims to determine the method of transforming the Upper Siak watershed. Various hydrological modeling to calculate flood discharge has been developed, one of which used in this research is HEC-HMS (Hydrologic Engineering Center-Hydrologic Modeling System). The transform method used is the Clark method and the Snyder method for modeling the HEC-HMS output flood discharge. Input calibration is daily rainfall data, hourly discharge, and 2012 land use map. Based on the calibration results showed that the method of flood discharge Clark duration of 3 hours and 6 hours have Percent value error in peak flow of 0.00 and 0.02. Snyder method of 3 and 6 hours duration have error value in peak flow of 0.01 and 0.01.Keywords: land use change, calibration, flood discharge, HEC-HMS
Penyusunan Skala Prioritas Saluran Drainase Di Tiga Kecamatan Zahra, Vivi Widia; Sujatmoko, Bambang; Hendri, Andy
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5, No 1 (2018): Wisuda April Tahun 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The inundation area is an area that inundated by water in case of the drainage channel cannot accommodate the flow of discharge, which causes the material losses and disturb the community activities. However, to solve the problem of flooding in Pekanbaru can not be done thoroughly because of the limited funds. Therefore, it is necessary to prepare the priority scale of channel rehabilitation drainage in Pekanbaru. The preparation of priority scale of drainage channel is done by using Analytic Network Process (ANP) method and assisted with Super Decisions software. The preparation of the priority scale refers to the rules minister of public works number: 12 / PRT / M / 2014. The results show there are 10 locations which ranked by the priority scale from the highest to the lowest which is the highest priority is the Tanjung Datuk street of Limapuluh subdistrict and the lowest is kota baru street of Senapelan subdistrict.Keywords : Analytic Network Process, Inundation, Drainage channel, Priority scale
Sensitivitas Hidrograf Satuan Di Sungai Batang Lubuh Dengan Menggunakan Hidrograf Satuan Sintetik Clark Dalam HEC-HMS Isdianto, Isdianto; Handayani, Yohanna Lilis; Sujatmoko, Bambang
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5, No 1 (2018): Wisuda April Tahun 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The method transforming of rain in HEC-HMS when applied on a DAS, it will show a different response in accordance with the selected method. Therefore it needs to known about the best transforming for sub DAS Rokan Kanan. Process on HEC-HMS program among others input data and calibration. Calibration process has six method Recession – Ratio to Peak, Clark Unit Hidrograph Time Of Concentration, Recession – Initial Discharge, Recession – Recession Constant, Clark Unit Hidrograph – Storage Coefficient, and Initial and Constan-Constan Rate. Objective function which used are Peak-Weighted RMS Error, Percent Error Peak, Percent Error Volume. The result of calibration Peak-Weighted RMS Error method=58.48. Percent Error Peak method = 1.11 and Percent Error Volume method= 0.00. Sensitivity of changes peak discharge and changes volume at parameter Initial and Constan-Constan Rate and Recession-Recession Constant with each changes presentation -76,15% and 77,70%.Keywords: hydrological modeling, unit hidrograph, sensitivity, hec-hms
IDENTIFIKASI MASALAH GENANGAN BANJIR DI DESA AUR SATI KABUPATEN KAMPAR, RIAU Sujatmoko, Bambang; Handayani, Yohanna Lilis; Rinaldi, Rinaldi; Buchori, Buchori; Elianora, Elianora; Ismeddiyanto, Ismeddiyanto
BHAKTI NAGORI (Jurnal Pengabdian kepada Masyarakat) Vol. 3 No. 1 (2023): BHAKTI NAGORI (Jurnal Pengabdian kepada Masyarakat) Juni 2023
Publisher : LPPM UNIKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/bhakti_nagori.v3i1.2616

Abstract

Permasalahan drainase di Desa Aur Sati Kecamatan Tambang Kabupaten Kampar adalah timbulnya genangan air di beberapa titik lokasi dan juga munculnya bau yg tak sedap akibat pembuangan limbah rumah tangga yang semrawut. Untuk memecahkan masalah drainase yang ada di desa Aur sati, maka langkah awal yang dilakukan adalah melakukan identifikasi masalah genangan banjir. Identifikasi dilakukan melalui wawancara, pengamatan lapangan, dan pengolahan data citra Lansat dengan geographic information sistem (GIS). Hasil penelitian menunjukkan bahwa genangan banjir terjadi di 3 titik yaitu di Dusun 1, Dusun 2 dan Dusun 4. Penyebab genangan tersebut adalah drainase yang belum terpadu, kondisi saluran drainase juga tidak layak, elevasi yang rendah dibanding sekelilingnya dan pembuangan sampah di saluran drainase sehingga mengakibatkan sumbatan di saluran. Untuk memecahkan masalah genangan banjir yang ada, hasil identifikasi yang telah dilakukan perlu ditindaklanjuti dengan evaluasi dimensi saluran tiap segmen genangan di masing-masing Dusun terdampak. Kata kunci:identifikasi masalah genangan, drainase, desa Aur Sati, sebaran genangan
Co-Authors ', Rinaldi AA Sudharmawan, AA Aisah kurnia utami amad, Ali Aminaton Marto Andika Satria Agus Andy Hendri, MT, Andy Anggraini Lenry Rahman Ari Sandhyavitri Bochari - Buchori Buchori Buchori Buchori, Buchori Bunga Rabby Zalfi Citra Dewi Simbolon Darmawan, Igeny Dwiana Dedi Lesmana, Dedi Devita, Venni Doli Ananta Putra Elianora - Elsa Rina S Ermiyati Ermiyati, Ermiyati Fatharani, Aghnia Fauzi, Manyuk Ferdina, Muthia Ferry Virgiawan Firdaus Firdaus Freester, Joy Garsia, Dafit Ghofirin, Khoirul Ghofirin, Khoirul Gopal Adya Ariska Hadthya, Reinhart ' Hafiz Catur Anggoro Haji Gussafri Hendra Mulyadi Muslim Hugo Pratama Imam Suprayogi Irpan, Apdani Isdianto Isdianto Isdianto, Isdianto Ismeddyanto, Ismeddiyanto Joleha, Joleha Khairullah, M Khoirul Ghofirin Lita Darmayanti M Fadhil Nur M Rizal Zarkani M. Rizki E. Janrosl Malik Habibillah Mardani Sebayang Mathias Robianto Mega Putri Komalasari Meiki Prayudi Mintio, Reygi Raica Mohd Syarwan Mudjiatko Mudjiatko Mudjiatko, Mudjiatko Muhamad Yusa Muhammad Hadi Hasibuan Muhammad Khalilullah Muhammad Sukri Muhardi Nerrissa Arfiana Ongko, Andarsin Pratama, Rizki Putra, Jasman Adi Putri, Jeffilianti Tri Raeni Evanta Br. Tarigan Rahmad Sandi Rakhmad Ramadhan Randa Kurniawan Rellyadi Saputra Laset Reza Ahmad Fadhli Reza Ahmad Fadhli, Reza Ahmad Riandi, Daly Rianty Sihaloho Rinaldi Rinaldi Rinaldi Rinaldi Ririn Rindayani Robby Aulia Syuhada Rohman Rosyid Rosyid, Rohman S Siswanto Soewignjo Agus Nugroho Sovia Revina Sri Djuniati Suprasman Suprasman Sutikno, Sigit Sutopo Sutopo Syamsul Arifin Syarifah Sophia Vinka Zafani Vito Charly Wahyudi, Rioza Wendi Nofriandi Yenita Morena Yohanna Lilis H Yudha Andestian Yudha Andestian, Yudha Zahra, Vivi Widia Zahri, Rifqi Zikron Hirvan