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All Journal JeLAST : Jurnal Teknik Kelautan , PWK , Sipil, dan Tambang Jurnal Teknik Sipil Jurnal Rekayasa Teknik Sipil dan Lingkungan Jurnal Teknologi Lingkungan Lahan Basah Jurnal Forum Teknik Sipil
Gunarto, Danang
Universitas Tanjungpura
Civil Engineering, Building, Construction & Architecture Computer Science & IT Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Public Health Transportation

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ANALISA ANGKUTAN SEDIMEN DI SUNGAI JAWI KECAMATAN SUNGAI KAKAP KABUPATEN KUBU RAYA Endyi, -; Kartini, -; Gunarto, Danang
JeLAST : Jurnal PWK, Laut, Sipil, Tambang Vol 4, No 4 (2017): JURNAL MAHASISWA TEKNIK SIPIL EDISI DESEMBER 2017
Publisher : JeLAST : Jurnal PWK, Laut, Sipil, Tambang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (737.706 KB) | DOI: 10.26418/jelast.v4i4.22665

Abstract

Meningkatnya aktifitas manusia di Sungai Jawi Kecamatan Sungai Kakap memberikan pengaruh terhadap ekosistem perairan seperti limbah domestik, pertanian dan perkebunan.Hal ini menyebabkan meningkatnya pengikisan tanahsebagai dampaknya jumlah sedimen di dalam sungai bertambah dan menyebabkan pendangkalan dibeberapa tempat terutama di Parit Haruna (hulu), Alsintan (tengah), dan PDAM/Puskesmas (hilir).Analisa angkutan sedimen ini bertujuan untuk mengetahui besarnya angkutan sedimen (Suspended Load dan Bed Load) dan sedimen total (Total Load) yang dipengaruhi pasang surut dan tingkat besarnya angkutan sedimen dari tertinggi hingga terendah.Metode penelitian ini menggunakan data primer berupa data hidrometri (pengukuran lebar, kedalaman, kecepatan aliran, suhu), perhitungan debit, dan pengambilan sampel air. Penelitian dilakukan pada kondisi pasang surut selama 24 jam interval waktu pengukuran per 2 jam. Analisa angkutan sedimen melayang dihitung dari hubungan antara hasil perkalian konsentasi sedimen layang dan debit aliran. Sedangkan untuk analisa sedimen dasar menggunakan Tabel ‘Strand dan Pemberton’.Hasil analisa menunjukkan besarnya angkutan sedimensecara keseluruhan didapatkan dengan menjumlahkan sedimen layang dan sedimen dasar dan didapat sedimen total (Total Load)di Parit Haruna kondisi pasang 276,73Kg/hari, kondisi surut 518,79 Kg/hari,di Alsintan kondisi pasang806,75Kg/hari, kondisi surut 1.282,33 Kg/hari, dan di PDAM/Puskesmas kondisi pasang 2.229,09Kg/hari, kondisi surut 4.716,60Kg/hari.Pasokan sedimen perhari yang dipengaruhi pasang surut, dihasilkan dalam sedimen total harian di ParitHaruna sebesar 242,06Kg/hari, di Alsintansebesar 475,58Kg/haridan di PDAM/Puskesmassebesar 2.487,50Kg/hari. Tingkat besarnya angkutansedimen tertinggiadalah beradadi PDAM/Puskesmas, rendahdi Alsintan dan terendahdi Parit Haruna.Kata Kunci: sedimen layang, sedimen dasar, pasang surut
EVALUASI SISTEM DISTRIBUSI PDAM GUNUNG POTENG KOTA SINGKAWANG Apriyandi, -; Kartini, -; Gunarto, Danang
Jurnal Mahasiswa Teknik Sipil Universitas Tanjungpura Vol 6, No 2 (2019): JURNAL MAHASISWA TEKNIK SIPIL EDISI JUNI 2019
Publisher : Jurnal Mahasiswa Teknik Sipil Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (950.538 KB)

Abstract

Sistem penyedian air minum di Kota Singkawang dikelola oleh Perusahaan Daerah Air Minum (PDAM) Gunung Poteng Kota Singkawang. Total jumlah penduduk terlayani hanya sekitar 34,65%. Dengan jumlah sambungan tersebut, perlunya evaluasi kebutuhan air dan dimensi pipa untuk masyarakat di Kota Singkawang. Tujuan penelitian untuk mengetahui kebutuhan air bersih pada saat ini, dan 20 tahun mendatang, mengevaluasi kebutuhan air bersih zona pelayanan IPA 1, dan Mengetahui ukuran dimensi pipa yang dipakai pada daerah pelayanan lokasi studi. Perhitungan kebutuhan air domestik dan non domestik, memastikan ketersediaan air baku dilakukan perhitungan dengan Metode Mock. Analisa pipa distribusi memakai software Epanet 2.0. Hasil perhitungan didapat kebutuhan air bersih pada jam puncak di Kota Singkawang pada tahun 2018 sebesar 718,54 liter/detik dan pada tahun 2038 sebesar 969,04 liter/detik. Hasil evaluasi kebutuhan air bersih pelayanan IPA pada jam puncak Tahun 2018 sebesar 175,01 liter/detik dan tahun 2038 sebesar 236,08 litert/detik. Ketersediaan air baku rata-rata sebesar 1,978 m3/detik. Ketersedian air bersih untuk pelayanan IPA 1 masih mencukupi. Jaringan distribusi untuk tahun 2018 perlu diadakan penambahan jaringan pipa dan penambahan kapasitas IPA. Untuk dimensi pipa tahun 2038 pada pelayanan IPA 1 diameter pipa yang digunakan adalah Ø 300 mm, Ø 400 mm dan Ø 600 mm.Kata Kunci : Dimensi pipa ,evaluasi sistem distribusi, perangkat lunak, Ketersediaa air bersih
ANALISA ANGKUTAN SEDIMEN SUNGAI JAWI KECAMATAN SUNGAI KAKAP KABUPATEN KUBU RAYA Sood, Muhammad Furqan; Kartini, -; Gunarto, Danang
JeLAST : Jurnal PWK, Laut, Sipil, Tambang Vol 5, No 2 (2018): JURNAL MAHASISWA TEKNIK SIPIL EDISI JUNI 2018
Publisher : JeLAST : Jurnal PWK, Laut, Sipil, Tambang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (523.067 KB) | DOI: 10.26418/jelast.v5i2.29167

Abstract

Sungai Jawi merupakan salah satu sungai primer yang menampung dan mengalirkan limpasan air di saluran. Meningkatnya aktivitas manusia di sepanjang aliran Sungai jawi telah memberi pengaruh terhadap ekosistem perairan. Kegiatan yang sering dilakukan penduduk sehari-hari memberikan dampak terhadap aliran seperti limbah domestik, pertanian dan perkebunan. Hal ini menyebabkan meningkatnya pengikisan di sepanjang aliran sungai, sebagai dampaknya jumlah sedimen di dalam sungai bertambah dan menyebabkan pendangkalan, oleh karena itu penelitian ini bertujuan untuk mengetahui besarnya angkutan sedimen (Suspended Load dan Bed Load) dan besarnya angkutan sedimen total (Total Load) yang dipengaruhi pasang surut, serta mengetahui besarnya angkutan sedimen layang (Suspended Load) yang dipengaruhi hujan. Penelitian ini dilakukan di 3 tempat, yaitu Parit Haruna, Alsintan dan PDAM/ Puskesmas. Analisa sedimen pasang dan surut menggunakan metode sesaat, Leo Van Rijn dan Meyer Peter Muller sedangkan analisa sedimen pasang, surut dan hujan hanya menggunakan metode sesaat. Metode penelitian dengan menggunakan data primer berupa data hidrometri. Penelitian dilakukan dua kali yaitu pada kondisi hujan dan tidak ada hujan selama 24 jam dengan interval waktu pengukuran per 2 jam. Berdasarkan hasil analisa analisa angkutan sedimen melayang dengan metode sesaat pada kondisi pasang dan surut di lokasi Parit Haruna sebesar 16,456 Kg/hari, Alsintan sebesar 23,996 Kg/hari dan PDAM/Puskesmas sebesar 129,601 Kg/hari, sedangkan pada kondisi pasang, surut dan hujan di lokasi Parit Haruna sebesar 65,140 Kg/hari, Alsintan sebesar 82,898 Kg/hari dan PDAM/Puskesmas sebesar 286,923 Kg/hari. Analisa angkutan sedimen dengan metode Leo Van Rijn tidak dapat digunakan karena analisanya mengendap. Hasil analisan angkutan sedimen dengan metode Meyer Peter Muller di lokasi Parit Haruna sebesar 76,474 Kg/hari, Alsintan sebesar 822,813 Kg/hari dan PDAM/Puskesmas sebesar 867,303 Kg/hari, sehingga perbedaan besar kecilnya jumlah angkutan sedimen di setiap lokasi dengan metode yang digunakan yaitu untuk metode sesaat dipengaruhi oleh lebar, kedalaman, kecepatan aliran sungai yang berbeda setiap daerah, sedangkan untuk metode Leo Van Rijn dan Meyer Peter Muller dipengaruhi oleh ukuran butir tanah, berat jenis tanah, kecepatan dan kedalaman sungai. Kata kunci: sedimen layang, sedimen dasar, pasang surut, hujan
Evaluasi Pembiayaan Pembangunan Infrastruktur Pedesaan Danang Gunarto; Trimawan .
JURNAL FORUM TEKNIK SIPIL (J-ForTekS) Vol 2 No 1 (2022): Volume 2 Nomor 1 Mei 2022
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (412.472 KB) | DOI: 10.35508/forteks.v2i1.5462

Abstract

Volume estimation and the financial project are essential as technical calculations. This research is to study urban project finances held without proper planning, and the research sample is nine urban. The research method compares the budget available and the estimation calculation based on field observation according to field observation. Unit price analysis use SNI (Standart Nasional Indonesia) method. From the analysis results, the calculated cost and budget ceiling are different. According to field observation, the average budget ceiling is Rp 116,000,000.00, higher than the computed cost of Rp 105,900,000.00. However, according to field observation, the standard deviation of estimation calculation is Rp 46,400,000.00, and the budget is Rp 15,700,000.00. This matter shows that the quality of urban infrastructure projects is varied.
STUDY OF TIDAL INFLUENCE ON FLOODING IN KECAMATAN SELAKAU Nurhadi Nurhadi; Danang Gunarto; Umar Umar
Jurnal Teknik Sipil Vol 23, No 1 (2023): JURNAL TEKNIK SIPIL EDISI FEBRUARI 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v23i1.60571

Abstract

Kecamatan Selakau has a considerable risk of flooding, which occurs every year. Because it has a low topography, its location on the coast is undoubtedly greatly influenced by tides and is prone to tidal flooding. In an effort to anticipate and reduce the duration and frequency of rain by arranging the drainage system through technical study activities on drainage channels, especially on the Nyirih River drainage channel, which empties directly into the Selakau River.This research aims to examine the effect of the Selakau River's tides on the Nyirih River's drainage flow and the combination of tides and rainfall on the incidence of flooding in the Nyirih River channel. The research methodology used is the descriptive method. Hydrological analysis using the maximum daily rainfall data from Tebas Station. Then the Nyirih River water level tidal readings and the design discharge data are used in the hydrodynamic model analysis.Based on the analysis results using the HEC-RAS Version 6.1.0 software, the water level elevation from sta is at the highest tide conditions without rain. 0+000 to sta. 1 + 466,682 has exceeded the elevation of the existing channel cross-section so that it experiences inundation with a height of 0.02 m–0.4 m, and at sta. 1 + 694,439 to sta. 2 + 073.878, the water level is still below the existing cross-sectional elevation of the channel, so no inundation occurs. It shows that there is no effect or increase in water level elevation that occurs for the highest tide combination conditions with rainfall return periods of 2, 5, 10, and 20 years, and it is the same as the highest tide conditions without rain, which experience inundation with a height of 0.02 m-0.4 m. Normalization is inefficient and unsuccessful in decreasing floods since sea tides extensively impact the Nyirih along the river channel.
FLOOD MANAGEMENT STRATEGY IN THE LANDAK SUB-RIVER BASIN USING SWOT ANALYSIS Aldi Alfaro; SB Soeryamassoeka; Danang Gunarto; Umar Umar; Eko Yulianto
Jurnal Teknik Sipil Vol 23, No 1 (2023): JURNAL TEKNIK SIPIL EDISI FEBRUARI 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v23i1.61790

Abstract

The Landak sub-River Basin is part of the Kapuas River Basin which is drained by the Landak River with an area of approximately 7,921 km2. Flooding in the Landak sub-River Basin occurs every year with the number of cases tending to increase. Flooding in the Landak sub-River Basin inundates about 20 villages, which means that flood-prone areas dominate. The causes of flooding in the Landak sub-River Basin are very complex, basically caused by natural and non-natural factors. Specifically, there are many problems in the Landak sub-River Basin that are thought to trigger flooding such as land use change, decreasing catchment areas, blockages in small rivers, and so on. To identify strategic issues regarding flooding in the Landak sub-River Basin, a Focus Group Discussion (FGD) was conducted which was attended by several resource persons who were credible with the subject matter and an AHP analysis was conducted first to determine the priority scale of flood management in the Landak sub-River Basin. The result of determining the priority scale of flood management in the Landak sub-River Basin is the strengthening and implementation of regulations. The resulting strategic issues were subjected to a questionnaire that was assessed by the respondents involved during the FGD. The results obtained from this series of SWOT analyses are the formulation of strategies that are most suitable for the strategic issues of flooding in the Landak sub-River Basin using QSPM analysis, along with the determination of short-term, medium-term and long-term strategies using SFAS analysis.
APPLICATION OF THE PENMAN-MONTEITH METHOD TO DETERMINE THE CROP WATER REQUIREMENTS Tasya Dyta Arzita; Nurhayati Nurhayati; Danang Gunarto
Jurnal Teknik Sipil Vol 23, No 1 (2023): JURNAL TEKNIK SIPIL EDISI FEBRUARI 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v23i1.59595

Abstract

Agricultural production is critical to meeting Indonesia's food demands. The water catchment area of Parit Keladi 1, located in Desa Parit Keladi, Kecamatan Sungai Kakap, Kabupaten Kubu Raya, Provinsi Kalimantan Barat, includes tidal swamp land that has a variety of plants. The Cropwat 8.0 Software will be used in this research to assess crop water needs. This research employs primary and secondary data, including soil samples, field cropping patterns, and plant hydration levels.The type of clay soil was silty, the field cropping pattern at the study site was paddy, and the height of the water puddle on paddy was 3 mm/day/ha, according to the findings of primary data analysis on soil sampling. The maximum water need for paddy was 5.90 mm/day/ha in March period 1, while the lowest water requirement was 0 mm/day/ha in October period 1. The maximum water need for citrus was 2.62 mm/day/ha in August for period 3, while the lowest water requirement was 0 mm/day/ha from October to December and May to June for period 1. In September Period 3, the crop water required in the Cropwat 8.0 Software was 32.2 mm/day/ha for ten days; however, the water level in the field was 3 mm/ha for one day in late September. Thus, the estimate of water demands for rice plants using the Cropwat 8.0 Program is valid.
DETERMINATION OF THE PRIORITY SCALE OF FLOOD MANAGEMENT IN THE LANDAK SUB-WATERSHED M. Ma'ruf Akafi; SB Soeryamassoeka; Danang Gunarto; Azwa Nirmala; Mochammad Meddy Danial
Jurnal Teknik Sipil Vol 23, No 2 (2023): JURNAL TEKNIK SIPIL EDISI MEI 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v23i2.64168

Abstract

The Landak Sub Watershed is part of Indonesia's Kapuas River Basin, covering an area of approximately 7,921 km2 and comprising three administrative regions: Landak Regency, Kubu Raya Regency, and Pontianak City. Like other regions in Indonesia, the frequency of flood events in the Landak Sub Watershed has been increasing each year, becoming a severe problem as it has caused losses for the community. Therefore, a study is needed to provide an overview of the most suitable flood management measures to minimize floods in the Landak Sub Watershed.This article presents the research results to determine the priority scale of flood mitigation measures suitable for implementation in the Landak Sub Watershed using the Analytic Hierarchy Process (AHP). The determination of criteria, sub-criteria, and flood management alternatives is based on the results of a Focus Group Discussion (FGD) held in Ngabang City on August 30, 2022. The selected flood management alternatives combine both structural and non-structural measures. Once the hierarchy is established, a questionnaire is distributed to determine the appropriate options for flood mitigation in the Landak Sub Watershed.The study results indicate that the priority scale for flood mitigation in the Landak Sub Watershed is by revising regulations and policies. The analysis shows that the priority criterion is Law and Institutions with a weight of 0.376, the priority sub-criterion is Legislation with a weight of 0.213, and the priority alternative is the revision of regulations and policies with a weight of 0.1984. For the correction of rules and procedures to be effectively carried out, all stakeholders related to flood control in the Landak Sub Watershed must be involved.
ANALYSIS OF WATER DISTRIBUTION SERVICES BY PERUMDAM TIRTA KHATULISTIWA IN PONTIANAK BARAT SUB-DISTRICT USING EPANET Andikha Pratama; Eko Yulianto; Danang Gunarto; S B Soeryamassoeka
Jurnal Teknik Sipil Vol 22, No 2 (2022): JURNAL TEKNIK SIPIL EDISI DESEMBER 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i2.59375

Abstract

PERUMDA Air Minum Tirta Khatulistiwa distributes clean water in Pontianak Barat District. Services are divided into several zones, one of which is zone H which includes Pal Lima Village and Sungai Beliung Village. only 63.82% of the population is served with a pumping capacity of 100 liters/second, based on this data, the service in zone H is not optimal. Population growth results in a lack of clean water in zone H at peak hours, so it is necessary to analyze water needs for existing conditions and conditions for the next 20 years. Population projection using Arithmetic, Geometric and Least Square methods. Analysis of water demand in zone H is calculated for domestic and non-domestic water, distribution network analysis is carried out using the Epanet program. Network analysis is simulated into 5 conditions. The results of the study found that the demand for clean water for the existing served population was 63.82% at 110.20 liters/second and the existing condition for the served population was 90% at 145.78 liters/second, while the need for clean water in the next 20 years was 341.43. liters/second. Short-term improvements that can be made are to increase the exsisting pumping capacity to 200 liters/second, while the long-term improvements are to increase the exsisting pumping capacity to 400 liters/second and pump head to 40 m, adding a booster in zone H with a pumping capacity of 200 liters. /second and pump head 30 m
EVALUATION OF DRAINAGE CHANNEL CAPACITY ON JALAN BUDI KARYA, PONTIANAK SELATAN SUB-DISTRICT Suci Suci; Henny Herawati; Umar Umar; SB Soeryamassoeka; Danang Gunarto
Jurnal Teknik Sipil Vol 22, No 2 (2022): JURNAL TEKNIK SIPIL EDISI DESEMBER 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i2.59386

Abstract

Drainage is one of the most critical components to be maintained and developed in a strategically healthy and comfortable urban environment. There are often puddles of water on Budi Karya Street, especially at the Permai Reservoir Complex. In solving the existing inundation problem, primary and secondary data are needed. Primary data is in the form of longitudinal and transverse sections of the channel, while secondary data is in the form of location maps, tidal data, and rainfall data used to analyze hydrology. Based on the analysis of the capacity of Budi Karya's drainage channel using HEC -RAS software as a drainage channel flow modeling tool to view the water level profile along the channel, channel perspective drawing, or hydrograph, it was found that the Budi Karya drainage channel could not accommodate the planned discharge for return periods 2 and 5 Year. Therefore, it is necessary to improve drainage in the form of the normalization of drainage channels.
Co-Authors - Kartini Abang Gagit Kisnadharma Andikha Pratama Apriyandi, - Arif Senoaji Azwa Nirmala Chelsea Ranate Eko Yulianto Endyi, - Fiqih Rahmanto Henny Herawati Juwita Miranda M. Ma'ruf Akafi Mochammad Meddy Danial Nurhadi Nurhadi nurhayati nurhayati Riko Kembara Riyanda Nurcahyo Sood, Muhammad Furqan Stefanus Barlian Soeryamassoeka Suci Suci Suryo Sutopo Tasya Dyta Arzita Trimawan . Umar Umar Umar Winardi Winardi