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Amiruddin, Aswar
Department Of Civil Engineering, Universitas Borneo Tarakan, Indonesia
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Journal : Civil Engineering Scientific Journal

 1 
ANALISIS KETERSEDIAAN DAN KEBUTUHAN AIR BAKU PADA EMBUNG SUNGAI BILAL KABUPATEN NUNUKAN MENGGUNAKAN METODE F.J. MOCK Nurdiansyah, Nurdiansyah; Faizal, Rahmat; Amiruddin, Aswar
Civil Engineering Scientific Journal Vol 2, No 2 (2023): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v2i2.4169

Abstract

ABSTRACT : Due to population growth and the region's fast development, domestic and non- domestic water consumption has grown in Nunukan Regency. To meet the clean water demand, the government has built the Bilal River Reservoir, which initiated a study of the Bilal River Reservoir to be carried out to determine the reservoir's reliability in meeting the demand for clean water in line with population growth. This study analyzed water availability and the demand for raw water in the Bilal River Reservoir. In the analysis of water availability, the Modified Penman approach is used to analyze evapotranspiration, while the F.J. Mock method was used to study effective debit. From the analysis of raw water availability using the F.J. Mock with 90% reliability, The biggest Q90 was in January at 119 liters/sec, and the smallest was in December at 15 liters/sec. As well as the results of the largest water demand analysis in 2031 in the West Nunukan Village zone of 19,947 liters/sec and the smallest in 2022 in the Central Nunukan Village zone of 6,249 l/s.Keywords: Bilal River Reservoir, Water Availability, Water Demand, F.J. Method Mock ABSTRAK: Meningkatnya aktivitas penduduk ditambah dengan berkembangnya pembangunan yang semakin pesat menyebabkan kebutuhan air untuk domestik maupun non domestik yang meningkat di Kabuapten Nunukan. Dalam rangka upaya pemenuhan kebutuhan air bersih, pemerintah Kabupaten Nunukan membangun Embung Sungai Bilal. Kajian terhadap Embung Sungai Bilal perlu dilakukan untuk mengetahui keandalan embung dalam memenuhi kebutuhan air bersih sejalan dengan pertumbuhan penduduk. Penelitian ini bertujuan untuk menganalisis ketersediaan air dan kebutuhan air baku pada Embung Sungai Bilal. Pada analisis ketersediaan air perhitungan Evapotranspirasi menggunakan metode Penman Modifikasi dan Debit Efektif menggunakan metode F.J. Mock. Dari hasil analisis ketersediaan air baku dengan menggunakan metode F.J. Mock dengan keandalan 90%. Q90 terbesar pada bulan Januari sebesar 119 ltr/dtk terkecil pada bulan Desember sebesar 15 ltr/dtk. Serta hasil analisis kebutuhan air terbesar pada tahun 2031 zona Kelurahan Nunukan Barat sebesar 19,947 lt/dtk, terkecil pada tahun 2022 zona Kelurahan Nunukan Tengah sebesar 6,249 lt/dtk.Kata kunci: Embung Sungai Bilal, Ketersediaan Air, Kebutuhan Air, Metode F.J. Mock
ANALISIS DEBIT BANJIR DRAINASE JALAN PATTIMURA KOTA TARAKAN DAN PENGARUHNYA TERHADAP KAPASITAS SALURAN Ruslan, Ruslan; Amiruddin, Aswar; Faizal, Rahmat
Civil Engineering Scientific Journal Vol 3, No 1 (2024): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v3i1.5041

Abstract

ABSTRACT: Tarakan City has a large problem of land conversion which results in a decrease in the infiltration area. Jalan Pattimura, Pamusian Kelurahan is one of the points in Central Tarakan District that has the potential for flooding due to high rainfall intensity. The purpose of this study is to calculate the flood discharge Q25, Q50 and Q100 and to evaluate the channel capacity against the flood discharge. The method used to calculate the discharge is the modified rational method. The design flood discharge with a return period of 25, 50 and 100 years in the catchment area of drainage channel 1 is calculated using the modified rational method is 0,112 m3/sec for Q25, 0,115 m3/sec for Q50 and 0,117 m3/sec for Q100. Furthermore, the design flood discharge in the catchment area of drainage channel 2 is calculated using the modified rational method is 0,111 m3/sec for Q25, 0,113 m3/sec for Q50 and 0,115 m3/sec for Q100. Based on the evaluation of the existing channel conditions of Jalan Pattimura, Pamusian Kelurahan, Tarakan City, it was obtained that the existing channel capacity with the existing channel height is able to pass a discharge of 0,366 m3/sec for Drainage Channel 1 and 0,312 m3/sec for Drainage Channel 2 so it can be concluded that the current channel is still able to pass the discharge Q25, Q50 and Q100 years. Keywords: Drainage, flood discharge, channel capacity ABSTRAK: Kota Tarakan memiliki masalah alih fungsi lahan yang besar yang berakibat pada berkurangnya daerah resapan. Jalan Pattimura, Kelurahan Pamusian merupakan salah titik di Kecamatan Tarakan Tengah yang memiliki potensi banjir akibat intensitas hujan yang tinggi. Tujuan penelitian ini untuk menghitung debit banjir Q25, Q50 dan Q100 dan melakukan evaluasi kapasitas saluran terhadap debit banjir. Metode yang digunakan untuk menghitung debit adalah rasional modifikasi. Debit banjir rencana periode ulang 25, 50 dan 100 tahun pada daerah tangkapan saluran drainase 1 dihitung menggunakan metode rasional modifikasi adalah 0,112  m3/dtk untuk Q25, 0,115 m3/dtk untuk Q50 dan 0,117 m3/dtk untuk Q100. Selanjutnya, debit banjir rencana pada daerah tangkapan saluran drainase 2 dihitung menggunakan metode rasional modifikasi rasional adalah 0,111  m3/dtk untuk Q25, 0,113 m3/dtk untuk Q50 dan 0,115 m3/dtk untuk Q100. Berdasarkan evaluasi terhadap kondisi saluran eksisting Jalan Pattimura, Kelurahan Pamusian, Kota Tarakan diperoleh kapasitas saluran eksisting dengan tinggi saluran yang ada saat mampu melewatkan debit 0,366 m3/dtk untuk Saluran Drainase 1 dan 0,312 m3/dtk untuk Saluran Drainase 2 sehingga dapat disimpulkan saluran yang saat ini masih mampu melewatkan debit Q25, Q50 dan Q100 tahun.Kata kunci: Drainase, debit banjir, kapasitas saluran
ANALISIS KEBUTUHAN DAN KETERSEDIAAN AIR BAKU EMBUNG BOLONG KABUPATEN NUNUKAN MENGGUNAKAN METODE NRECA Faizal, Rahmat; Firdaus, Wildan; Amiruddin, Aswar
Civil Engineering Scientific Journal Vol 2, No 1 (2023): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v2i1.4146

Abstract

ABSTRACT: Raw water in Embung Bolong, Nunukan Regency, is currently experiencing a decline or depreciation due to low rainfall in Nunukan Regency, so it is necessary to conduct research on the availability of raw water, including the use of environmental conditions in Embung Bolong. Calculation of evapotranspiration using the Penman Modification and Effective Discharge method using the NRECA method includes data from related agencies in the form of rainfall data, air humidity, air temperature, wind speed, and length of sunlight. Based on the results of the analysis, the total water requirement for 2031 is 4.229 lt/s for the West Nunukan Village zone, 22.633 lt/s for the Central Nunukan Urban Village zone, 20.228 lt/s for the East Nunukan Urban Village zone, 6.475 lt/s for the South Nunukan Urban Village zone , 6,304 lt/s for the Selisun Village zone and the mainstay discharge Q90 reviewed from the last 10 years from 2012 to 2021, the largest water availability occurs in June, which is 50,645 lt/s and the smallest water availability occurs in April, namely of 0.224 l/sec.Keywords: Embung Bolong, Nursery IPA, Water Demand, Water Availability, NRECA MethodABSTRAK: Air baku di Embung Bolong Kabupaten Nunukan kini mengalami penurunan atau penyusutan yang disebabkan rendahnya curah hujan di Kabupaten Nunukan sehingga perlu dilakukan penelitian mengenai ketersediaan air baku termasuk pemanfaatan kondisi lingkungan di Embung Bolong. Perhitungan evapotranspirasi menggunakan metode Penman Modifikasi dan Debit Efektif dengan menggunakan metode NRECA meliputi data dari instansi terkait berupa data curah hujan, kelembaban udara, suhu udara kecepatan angin, dan lama penyinaran matahari. Berdasarkan hasil analisis, diperoleh jumlah kebutuhan ait tahun 2031 sebesar 4,229 lt/dtk untuk zona Kelurahan Nunukan Barat, 22,633 lt/dtk untuk zona Kelurahan Nunukan Tengah, 20,228 lt/dtk untuk zona Kelurahan Nunukan Timur, 6,475 lt/dtk untuk zona Kelurahan Nunukan Selatan, 6,304 lt/dtk untuk zona Kelurahan Selisun serta debit andalan Q90 yang ditinjau dari 10 tahun terakhir terhitung dari tahun 2012 sampai dengan tahun 2021 diperoleh ketersediaan air terbesar terjadi pada bulan Juni yaitu sebesar 50,645 lt/dtk dan ketersediaan air terkecil terjadi pada bulan April yaitu sebesar 0,224 lt/dtk.Kata kunci: Embung Bolong, IPA Persemaian, Kebutuhan Air, Ketersediaan Air, Metode NRECA
SIMULASI HIDRAULIK ELEVASI MUKA AIR SALURAN RAWASARI MENGGUNAKAN HEC-RAS Amiruddin, Aswar; Widiyanti, Aneza Ferdani
Civil Engineering Scientific Journal Vol 4, No 1 (2025): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v4i1.4951

Abstract

The Rawasari Channel is one of the channels in the West Tarakan Subdistrict that supplies water for the availability of water in the city of Tarakan. However, the Rawasari Channel sometimes experiences overflow during high rainfall intensity. The purpose of this research is to determine the water level in the Rawasari Channel through hydraulic simulation using HEC-RAS software. The repeated flood discharge periods used as parameters for this research are 50 years and 100 years, calculated using the Rational method. The flood discharge analysis results using the Rational method for a 50-year recurrence period are 21,098 m3/s, and for a 100-year recurrence period, it is 21,399 m3/s. Based on the HEC-RAS simulation, there is no significant difference in water surface elevations due to the 50 and 100-year floods. From the HEC-RAS simulation, it is also known that due to the flood discharge of 50 and 100 years, overflow occurs in the Rawasari Channel at stations STA 350, 325, 300, 150, and 125. The water surface elevation due to the 50-year flood at STA 350 is 20.38 m, and for STA 300, the water surface elevation for the 50-year flood is 20.29 m. The elevation of the land surface around STA 350 and STA 300 ranges from 19.99 m to 20.19 m, so the height of the inundation due to the overflow of the Rawasari Channel is known to be between 11 cm and 30 cm.
ANALISIS KAPASITAS SALURAN PADA DRAINASE JALAN IMAM BONJOL KELURAHAN PAMUSIAN DENGAN STORM WATER MANAGEMENT MODEL (SWMM) Zunifa, Afara; Amiruddin, Aswar
Civil Engineering Scientific Journal Vol 4, No 2 (2025): Civil Engineering Scientific Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/cesj.v4i2.6252

Abstract

An effective drainage system in urban areas is essential to manage flooding caused by heavy rainfall. Inadequate drainage channels cannot accommodate excess water, leading to water stagnation and other negative impacts. Therefore, calculating the design flood discharge and designing drainage channels with sufficient capacity are crucial for stormwater management. This study aims to evaluate the capacity of existing drainage systems to handle design flood discharge and to design new drainage dimensions that can accommodate the largest discharge. The analysis shows that most existing drainage channels are unable to accommodate the design discharge (Qt) for return periods of 10, 20, 50, and 100 years, as the channel discharge (Qs) is smaller than the design discharge. Simulations using the Storm Water Management Model (SWMM) identified critical points at Junction 4 and Junction 10, where overflow occurs due to excess channel capacity. As a solution, new drainage dimensions were designed. A rectangular channel with a bottom width of 1.2 meters and a height of 1 meter can carry the discharge without overflow for a 100-year return period. Meanwhile, a trapezoidal channel with a bottom width of 0.25 meters, a height of 0.8 meters, and a side slope of 0.618 meters is also effective in accommodating the design discharge without overflow. This study recommends increasing the drainage capacity at critical points to reduce the risk of water stagnation
Co-Authors Asta, Asta Awaludin Awaludin Awaludin, Awaludin Bagaskara, Johan Putra Bayu Kurniawan Dasar, Amry Edy Utomo, Edy Faizal, Rahmat Halim, Zainal Arifin Handayani, Rosmalia I Gede Tunas Ipayanti, Rantika Aulia Irianto Aras Irlan, Ade Okvianti Jean Timoti Jero Budi Darmayasa Kartina Kartina Kartina Khaerunnisa Khairunnisa Khairunnisa kustanrika, irma wirantina Moh Amin Muhammad Sofyan Nurdiansyah Nurdiansyah Rahmat Faizal Ramli Ramli Rasdi Rasdi, Rasdi Refina Fatriza Roem, Muhamad Rosmalia Handayani Rr Mekar Ageng Kinasti Ruslan Ruslan Saparuddin Saparuddin Sukardi Nurdin Susilo, Yuly Desyana Sutika Surya Indah Pertami Teguh Hilmansyah Triyanti Anasiru Velizar Sujanes Wahyu Hidayat Widiyanti, Aneza Ferdani Wildan Firdaus Yassir Arafat Zunifa, Afara