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All Journal REKA RACANA Journal of Engineering and Technological Sciences Jurnal Teknik Sipil Jurnal Teknik Lingkungan
Muslim Muin
Ocean Engineering, Faculty Of Civil And Environmental Engineering , Institut Teknologi Bandung, TP Rakhmat 3rd Floor Jalan Ganesha 10, Bandung 40132, Indonesia
Civil Engineering, Building, Construction & Architecture Education Engineering Environmental Science

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Application of Large-Scale 3D Non-Orthogonal Boundary Fitted Sediment Transport Model and Small-Scale Approach for Offshore Structure in Cimanuk Delta North Java Sea Muin, Muslim; Idris, Krisnaldi; Yuanita, Nita
Journal of Engineering and Technological Sciences Vol 48, No 3 (2016)
Publisher : ITB Journal Publisher, LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1283.742 KB) | DOI: 10.5614/j.eng.technol.sci.2016.48.3.5

Abstract

The morphology of the Cimanuk Delta at the North Java Sea has changed rapidly over the last two decades. The annual sediment deposition is about two million cubic meters (Yuanita and Tingsanchali, [1]). The large-scale ocean hydrodynamics and sediment transport model MuSed3D (Muin, [2]) was applied to the North Java Sea to simulate suspended sediment transport at the study site. A potential offshore structure was positioned at approximately 30 km from the Cimanuk Delta. The result of the large-scale model was calibrated using observation data and Landsat satellite image interpretation. The agreement between the modeling results and the observations was excellent. It was found that the critical shear stresses for erosion and deposition were 0.1 Pa and 0.05 Pa respectively. An empirical formula was further utilized to assess the local scouring at the potential offshore structure site in a small-scale domain and under extreme conditions.
Penerapan “Sel Mangrove” dalam Pemodelan 3D Hidrodinamika Laut NBOF (Non-Orthogonal Boundary Fitted) dengan Studi Kasus Estuari Ajkwa Muin, Muslim
Jurnal Teknik Sipil Vol 12, No 2 (2005)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (428.78 KB)

Abstract

Abstrak. Makalah ini memaparkan hasil integrasi Model 3D Hidrodinamika Laut Teknik Non-Orthogonal Boundary Fitted dengan Mangrove. Hasil pengukuran arus pada beberapa lokasi di Estuari Ajkwa menunjukkan, bahwa penggunaan Non-Orthogonal Boundary Fitted Grid sangat cocok untuk perairan dengan geometri yang sangat rumit, dan juga memperlihatkan bahwa Daerah Basah/Kering (Wet/Dry Area), yang dikenal sebagai Sel Mangrove, harus dimasukkan dalam Daerah Komputasi (Computational Domain). Tanpa memasukkan mangrove, hasil simulasi hanya 30% dari arus yang diukur di lapangan.Abstract. The paper presents the results of integration of 3D Ocean Hydrodynamics Non-Orthogonal Boundary Fitted with Mangrove. The observed current in several locations in Ajkwa Estuary show that the Non-Orthogonal Boundary Fitted Grid is an excellent technique for geometrically complex water system, and also indicates that the Wet/Dry Area or Mangrove Cell must be included in the computational domain. The model results show that the maximum predicted current will not exceed 30% of the maximum of observed current if the mangrove cell is ignored.
SPREADING ANALYSIS OF PHENOL, OIL AND GREASE OFPRODUCED WATER FROM OIL AND GAS FIELD AND THEIR IMPACTS TO OFFSHORE ENVIRONMENT Ramos M, Yovita; Muntalif, Barti Setiani; Muin, Muslim
Jurnal Teknik Lingkungan Vol 15, No 1 (2009)
Publisher : ITB Journal Publisher, LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (862.218 KB) | DOI: 10.5614/jtl.2009.15.1.3

Abstract

Abstract: Sea is one of natural resources, which has potential to provide human needs. However, due to resident growth and there are many industries have activities, the sea is started to be polluted and negative impact to people and environment is arisen. One of industry, which has potential to pollute Indonesian sea, is oil and gas production in Natuna Sea. Produced water, which is produced by oil and gas production process in PT. Star Energy, may contain few contaminant constituents including phenol, oil and grease. Distribution of phenol and oil and grease is done using MuQual3D software, which includes hydrodynamic model and qualitative water model. Simulation of phenol distribution and oil and grease from produced water is done for a year for each discharge location within two layers of sea water layer which are mean sea water layer and sea bottom layer.  Phenol concentration spreading at the depths of 7 m and 75 m such as 0.012 - 0.14 µg/L, where as oil and grease concentration such as range between 0.15-1.7 µg/L.  These spreading simulations show that produced water discharge have complied the sea water quality standard for aquatic biota.  From laboratory results of aquatic biota for phytoplankton and zooplankton, are indicated that there is occurrence of ecological pressure within the aquatic area, but still in moderate and stable condition, which means that it could be changed according to the surrounding environment. Where as, from Chanos chanos toxicological model simulation about 9.53-10.12% of study area has impacted.  For balancing the ecosystem of Natuna sea, produced water discharge management and other research for aquatic biota in study area are needed.Key words: Produced Water, Phenol, Oil and Grease, Impacts, MuQual3D, Natuna Sea Abstrak: Laut merupakan salah satu sumber daya alam yang berpotensi untuk memenuhi kebutuhan manusia.  Namun seiring dengan pertumbuhan penduduk dan banyaknya industri yang beroperasi, laut mulai tercemar sehingga timbul dampak negatif terhadap manusia dan lingkungan.  Salah satu industri yang berpotensi dalam mencemari laut Indonesia,khususnya Laut Natuna adalah industri minyak dan gas bumi. Air terproduksi yang dihasilkan oleh proses produksi minyak dan gas di PT. Star Energy, mengandung beberapa senyawa kontaminan termasuk fenol dan oil and grease.  Penyebaran fenol dan oil and grease dilakukan menggunakan software MuQual3D yang mencakup model hidrodinamika dan model kualitas air. Simulasi penyebaran fenol, oil and grease dari air terproduksi dilakukan selama 1 (tahun) untuk masing-masing lokasi pembuangan dalam 2 (lapisan air laut) yaitu lapisan permukaan dan lapisan dasar laut.  Penyebaran konsentrasi fenol pada kedalaman 7 m dan 75 m berkisar antara 0.012 - 0.14 µg/L sedangkan konsentrasi oil and grease berkisar antara 0.15-1.7 µg/L.  Hasil simulasi penyebaran tersebut menunjukkan air terproduksi yang dibuang masih berada di dalam baku mutu.  Dari hasil pengukuran plankton, baik fitoplankton maupun zooplankton diperoleh bahwa terdapat tekanan ekologis terhadap struktur komunitas laut, namun masih dalam kondisi yang moderat atau stabil, artinya dapat berubah sesuai dengan keadaan lingkungan sekitarnya.  Sedangkan dari hasil simulasi model toksikologi Chanos-Chanos didapat sekitar 9.53% sampai dengan 10.12% wilayah yang terkena dampak pembuangan air terproduksi.  Untuk menjaga kestabilan ekosistem Laut Natuna diperlukan pengelolaan pembuangan air terproduksi dan penelitian lebih lanjut untuk biota laut di wilayah studi.
Optimasi Pelabuhan di Perairan Cirebon sebagai Alternatif Pengganti Pelabuhan Cilamaya (Hal. 89-99) Rizkyargo, Muhammad Ziko; Muin, Muslim; Muliati, Yati
RekaRacana: Jurnal Teknil Sipil Vol 2, No 4: Desember 2016
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (644.064 KB) | DOI: 10.26760/rekaracana.v2i4.89

Abstract

ABSTRAK Daerah industri Indonesia yang berpusat di daerah Jawa Barat membuat banyak perusahaan memproduksi barang  dan jasa. Salah satu prasarana dalam menunjangkegiatan tersebut yaitu pelabuhan.Pertumbuhan ekonomi di masa yang akan datang membuat Pelabuhan Tanjung Priok semakin padat, maka dibutuhkan Pelabuhan alternatif lain. Tujuan dari penelitian ini yaitu untuk merencanakan Pelabuhan Peti Kemas di Peraian Cirebon berdasarkan kapal rencana dan biaya yang paling optimum. Lokasi Pelabuhan Peti Kemas Cirebon berada pada koordinat 6o45’3.63” LS dan 108o36’23.53” BT. Pengumpulan data berupa data sekunder yang meliputi kebutuhan peti kemas di Pelabuhan Tanjung Priok dan Pelabuhan Cilamaya serta data hidrooseanografi di lokasi Cirebon.Kebutuhan Pelabuhan Peti Kemas Cirebon pada jangka pendek adalah 3.750.000 TEUs, jangka menengah 7.500.000 TEUs, dan jangka panjang 12.000.000 TEUs. Hasil Analisis didapatkan Kapal optimum yang digunakan di Pelabuhan Peti Kemas Cirebon untuk jangka pendek, jangka menengah, dan jangka panjang sama, yaitu kapal ukuran 2.000 TEUs.Kata kunci: optimasi, pelabuhan, peti kemas, Cirebon. ABSTRACTIndustrial area of Indonesia centered in West Java, making many companies producing goods and services. One of the infrastructure that support these activities, such as ports. Economic growth in the future that make the port of Tanjung Priok increasingly crowded, it needed alternative ports. The purpose of this research is to plan a Container Port in Cirebon based on ship and the most optimum cost. The location of Cirebon Container Port at 6o45’3.63” SL and 108o36’23.53” EL. The data were derived from the secondary data including containers demand at Tanjung Priok Port and Cilamaya and environmental data on Cirebon. Port of Tanjung Priok has a demand in the short term is 3,750,000 TEUs, 7,500,000 TEUs medium term and long term 12,000,000 TEUs. Analysis of the results obtained optimum vessel used in Container Port Cirebon for short term, medium term and long term are same, the size of 2,000 TEUs vessels.Keywords: optimization, port, container, Cirebon
Application of Large-Scale 3D Non-Orthogonal Boundary Fitted Sediment Transport Model and Small-Scale Approach for Offshore Structure in Cimanuk Delta North Java Sea Muslim Muin; Krisnaldi Idris; Nita Yuanita
Journal of Engineering and Technological Sciences Vol. 48 No. 3 (2016)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2016.48.3.5

Abstract

The morphology of the Cimanuk Delta at the North Java Sea has changed rapidly over the last two decades. The annual sediment deposition is about two million cubic meters (Yuanita and Tingsanchali, [1]). The large-scale ocean hydrodynamics and sediment transport model MuSed3D (Muin, [2]) was applied to the North Java Sea to simulate suspended sediment transport at the study site. A potential offshore structure was positioned at approximately 30 km from the Cimanuk Delta. The result of the large-scale model was calibrated using observation data and Landsat satellite image interpretation. The agreement between the modeling results and the observations was excellent. It was found that the critical shear stresses for erosion and deposition were 0.1 Pa and 0.05 Pa respectively. An empirical formula was further utilized to assess the local scouring at the potential offshore structure site in a small-scale domain and under extreme conditions.
Optimasi Pelabuhan di Perairan Cirebon sebagai Alternatif Pengganti Pelabuhan Cilamaya Muhammad Ziko Rizkyargo; Muslim Muin; Yati Muliati
RekaRacana: Jurnal Teknil Sipil Vol 2, No 4: Desember 2016
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaracana.v2i4.89

Abstract

ABSTRAK Daerah industri Indonesia yang berpusat di daerah Jawa Barat membuat banyak perusahaan memproduksi barang  dan jasa. Salah satu prasarana dalam menunjangkegiatan tersebut yaitu pelabuhan.Pertumbuhan ekonomi di masa yang akan datang membuat Pelabuhan Tanjung Priok semakin padat, maka dibutuhkan Pelabuhan alternatif lain. Tujuan dari penelitian ini yaitu untuk merencanakan Pelabuhan Peti Kemas di Peraian Cirebon berdasarkan kapal rencana dan biaya yang paling optimum. Lokasi Pelabuhan Peti Kemas Cirebon berada pada koordinat 6o45’3.63” LS dan 108o36’23.53” BT. Pengumpulan data berupa data sekunder yang meliputi kebutuhan peti kemas di Pelabuhan Tanjung Priok dan Pelabuhan Cilamaya serta data hidrooseanografi di lokasi Cirebon.Kebutuhan Pelabuhan Peti Kemas Cirebon pada jangka pendek adalah 3.750.000 TEUs, jangka menengah 7.500.000 TEUs, dan jangka panjang 12.000.000 TEUs. Hasil Analisis didapatkan Kapal optimum yang digunakan di Pelabuhan Peti Kemas Cirebon untuk jangka pendek, jangka menengah, dan jangka panjang sama, yaitu kapal ukuran 2.000 TEUs.Kata kunci: optimasi, pelabuhan, peti kemas, Cirebon. ABSTRACTIndustrial area of Indonesia centered in West Java, making many companies producing goods and services. One of the infrastructure that support these activities, such as ports. Economic growth in the future that make the port of Tanjung Priok increasingly crowded, it needed alternative ports. The purpose of this research is to plan a Container Port in Cirebon based on ship and the most optimum cost. The location of Cirebon Container Port at 6o45’3.63” SL and 108o36’23.53” EL. The data were derived from the secondary data including containers demand at Tanjung Priok Port and Cilamaya and environmental data on Cirebon. Port of Tanjung Priok has a demand in the short term is 3,750,000 TEUs, 7,500,000 TEUs medium term and long term 12,000,000 TEUs. Analysis of the results obtained optimum vessel used in Container Port Cirebon for short term, medium term and long term are same, the size of 2,000 TEUs vessels.Keywords: optimization, port, container, Cirebon
Penerapan “Sel Mangrove” dalam Pemodelan 3D Hidrodinamika Laut NBOF (Non-Orthogonal Boundary Fitted) dengan Studi Kasus Estuari Ajkwa Muslim Muin
Jurnal Teknik Sipil Vol 12 No 2 (2005)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jts.2005.12.2.5

Abstract

Abstrak. Makalah ini memaparkan hasil integrasi Model 3D Hidrodinamika Laut Teknik Non-Orthogonal Boundary Fitted dengan Mangrove. Hasil pengukuran arus pada beberapa lokasi di Estuari Ajkwa menunjukkan, bahwa penggunaan Non-Orthogonal Boundary Fitted Grid sangat cocok untuk perairan dengan geometri yang sangat rumit, dan juga memperlihatkan bahwa Daerah Basah/Kering (Wet/Dry Area), yang dikenal sebagai Sel Mangrove, harus dimasukkan dalam Daerah Komputasi (Computational Domain). Tanpa memasukkan mangrove, hasil simulasi hanya 30% dari arus yang diukur di lapangan.Abstract. The paper presents the results of integration of 3D Ocean Hydrodynamics Non-Orthogonal Boundary Fitted with Mangrove. The observed current in several locations in Ajkwa Estuary show that the Non-Orthogonal Boundary Fitted Grid is an excellent technique for geometrically complex water system, and also indicates that the Wet/Dry Area or Mangrove Cell must be included in the computational domain. The model results show that the maximum predicted current will not exceed 30% of the maximum of observed current if the mangrove cell is ignored.
SPREADING ANALYSIS OF PHENOL, OIL AND GREASE OFPRODUCED WATER FROM OIL AND GAS FIELD AND THEIR IMPACTS TO OFFSHORE ENVIRONMENT Yovita Ramos M; Barti Setiani Muntalif; Muslim Muin
Jurnal Teknik Lingkungan Vol. 15 No. 1 (2009)
Publisher : ITB Journal Publisher, LPPM ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jtl.2009.15.1.3

Abstract

Abstract: Sea is one of natural resources, which has potential to provide human needs. However, due to resident growth and there are many industries have activities, the sea is started to be polluted and negative impact to people and environment is arisen. One of industry, which has potential to pollute Indonesian sea, is oil and gas production in Natuna Sea. Produced water, which is produced by oil and gas production process in PT. Star Energy, may contain few contaminant constituents including phenol, oil and grease. Distribution of phenol and oil and grease is done using MuQual3D software, which includes hydrodynamic model and qualitative water model. Simulation of phenol distribution and oil and grease from produced water is done for a year for each discharge location within two layers of sea water layer which are mean sea water layer and sea bottom layer.  Phenol concentration spreading at the depths of 7 m and 75 m such as 0.012 - 0.14 µg/L, where as oil and grease concentration such as range between 0.15-1.7 µg/L.  These spreading simulations show that produced water discharge have complied the sea water quality standard for aquatic biota.  From laboratory results of aquatic biota for phytoplankton and zooplankton, are indicated that there is occurrence of ecological pressure within the aquatic area, but still in moderate and stable condition, which means that it could be changed according to the surrounding environment. Where as, from Chanos chanos toxicological model simulation about 9.53-10.12% of study area has impacted.  For balancing the ecosystem of Natuna sea, produced water discharge management and other research for aquatic biota in study area are needed.Key words: Produced Water, Phenol, Oil and Grease, Impacts, MuQual3D, Natuna Sea Abstrak: Laut merupakan salah satu sumber daya alam yang berpotensi untuk memenuhi kebutuhan manusia.  Namun seiring dengan pertumbuhan penduduk dan banyaknya industri yang beroperasi, laut mulai tercemar sehingga timbul dampak negatif terhadap manusia dan lingkungan.  Salah satu industri yang berpotensi dalam mencemari laut Indonesia,khususnya Laut Natuna adalah industri minyak dan gas bumi. Air terproduksi yang dihasilkan oleh proses produksi minyak dan gas di PT. Star Energy, mengandung beberapa senyawa kontaminan termasuk fenol dan oil and grease.  Penyebaran fenol dan oil and grease dilakukan menggunakan software MuQual3D yang mencakup model hidrodinamika dan model kualitas air. Simulasi penyebaran fenol, oil and grease dari air terproduksi dilakukan selama 1 (tahun) untuk masing-masing lokasi pembuangan dalam 2 (lapisan air laut) yaitu lapisan permukaan dan lapisan dasar laut.  Penyebaran konsentrasi fenol pada kedalaman 7 m dan 75 m berkisar antara 0.012 - 0.14 µg/L sedangkan konsentrasi oil and grease berkisar antara 0.15-1.7 µg/L.  Hasil simulasi penyebaran tersebut menunjukkan air terproduksi yang dibuang masih berada di dalam baku mutu.  Dari hasil pengukuran plankton, baik fitoplankton maupun zooplankton diperoleh bahwa terdapat tekanan ekologis terhadap struktur komunitas laut, namun masih dalam kondisi yang moderat atau stabil, artinya dapat berubah sesuai dengan keadaan lingkungan sekitarnya.  Sedangkan dari hasil simulasi model toksikologi Chanos-Chanos didapat sekitar 9.53% sampai dengan 10.12% wilayah yang terkena dampak pembuangan air terproduksi.  Untuk menjaga kestabilan ekosistem Laut Natuna diperlukan pengelolaan pembuangan air terproduksi dan penelitian lebih lanjut untuk biota laut di wilayah studi.
Co-Authors Ali Djamhuri Barti Setiani Muntalif Krisnaldi Idris, Krisnaldi Muhammad Ziko Rizkyargo Nita Yuanita Ramos M, Yovita Rizkyargo, Muhammad Ziko Yati Muliati Yovita Ramos M