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Analisis Kolam Olak Bendungan Leuwikeris Kabupaten Ciamis-Tasikmalaya Komalasari, Amelia Citra Mulya; Permana, Sulwan
Jurnal Konstruksi Vol 22 No 1 (2024): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.22-1.1346

Abstract

The Leuwikeris Dam is a dam built in two districts, namely Ciamis Regency and Tasikmalaya Regency. One of the structures of the dam is a stilling pond. Stilling ponds are built to reduce the energy contained in the flow by utilizing hydraulic jumps from a high-speed flow. The type of stilling pond at the Leuwikeris Dam is type USBR II which has a Froude number value of more than 4.5 and a discharge of more than 60m³/second. The research carried out this time calculated the amount of energy loss in the stilling pond of the Leuwikeris Dam with the USBR II stilling pond type. In finding the value of energy loss, the discharge of the Leuwikeris Dam is needed using modeling. Discharge modeling uses the NRECA method by calibrating with existing discharge, namely the discharge in Cirahong. Discharge modeling is also used with normal distribution method calculations, log normal, gumbel and log pearson type III. The results of these calculations are an NSE value of 0.756 in modeling discharge using the NRECA method and calibrated with the Cirahong discharge for 5 years and the amount of energy lost in the stilling pond of 4.78 meters.
Perencanaan Distribusi Air Sumur Bor Desa Cibunar Kecamatan Cibatu Rosidin, Ahmad; Permana, Sulwan
Jurnal Konstruksi Vol 22 No 1 (2024): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.22-1.1404

Abstract

Clean water plays a very important role in everyday life. However, the dry season causes a water crisis in several areas of Garut Regency, one of which is Cibunar Village, Cibatu District. The aim of this research is to plan drinking water discharge needs, storage tank capacity and water distribution planning by maximizing the potential of drilled well water as a source of raw water. There is a need for distribution engineering with PVC pipe networks and combined drainage systems. In planning this network, population projections use the geometric method for the 2023-2042 plan year with a population at the end of the plan year of 11,191 people, the total water requirement per person is 60 liters/person/day. The total domestic water requirement for one village is 671,460 liters/person/day or 7.77 liters/second at the end of the 2042 projected plan year. The complete data was then analyzed using the EPANET 2.2 application, the results of the analysis obtained the average pressure 25.23 m, average head loss 0.56 km/m and average flow speed 0.18 m/s and from the results of this analysis the ideal diameter of the distribution pipe is 100-200 mm. Meanwhile, the results of running with the peak hour scenario obtained a flow of 879 liters/hour. In planning the pump specifications required a total head of 159.34 m and a power of 45.41 Kw with pump type CR 120-5-1. Cibunar Village distribution network planning at the end of the planning year can meet community needs during the planning period.
LITERASI DIGITAL SEBAGAI LANGKAH AWAL SISWA DALAM MEMBERANTAS HOAX DAN UJARAN KEBENCIAN Permana, Sulwan; Ramadhan, M. Zilhan Salman; Fatah, Muhamad Abdu; Anwar, Saepul; Rohmah, Siti; Ibrahim, Galih; Farhani, Siti Aulia; Sastradipraja, R Muhammad Arya Fajar; Rizky, Muhammad Naufal; Arif, Zaenal; Nurlatifah, Sarah; Rohman, Asep Abdul; Al-Husein, Fajar; Ramdhani, Tio; Muharam, Muhammad Faisal; Jamami, Yadziz Siddik Al; Kristiawan, Diky; Muhammad, Faiz Mahatir; Ananta, Asti; Putri, Icha Aulia; Saumi, Ira Nurachma; Imamudin, Imamudin
Jurnal PkM MIFTEK Vol 5 No 2 (2024): Jurnal PkM MIFTEK
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/miftek/v.5-2.1918

Abstract

Digital literacy is a competency that includes the ability to understand, use and assess information available through various digital platforms. These skills include not only the technical use of technology, but also the ability to assess the credibility of information and apply ethics in a digital environment. In the ever-growing information era, digital literacy is becoming increasingly important for active participation in digital society, both in the context of education, work and everyday life. The main challenges in increasing digital literacy include gaps in access to technology, lack of adequate education, and the risk of spreading misinformation. Students who are still vulnerable to hoaxes and hate speech need to be given understanding through digital literacy. The aim of this digital literacy activity is to provide students with an understanding of hoaxes and hate speech. Therefore, digital literacy must be seen as an essential competency that is not only technical, but also includes social aspects that are crucial in facing the dynamics of today's digital world.
Calibration of the Water Balance Model for the Upper Cimanuk Catchment Area for Raw Water Supply Permana, Sulwan; Susetyaningsih, Adi
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 04 (2024): JGEET Vol 09 No 04 : December (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.04.18059

Abstract

The main task of PDAM Tirta Intan Garut Regency is to manage raw water into clean water for customers. The management of raw water supply in Bayongbong District for the community still relies on springs with a gravity system, deep well pumps and rivers. The flow of the Cimanuk River in Bayongbong District can be used to provide raw water. Four rainfall stations are used. Average rainfall is calculated using the Thiessen method. The raw water collection point does not have a automatic water level recorder (AWLR), so it is necessary to create a model to obtain the discharge at the collection point. The model used is the water balance model from F.J. Mock. Calibration of model parameters was carried out on observed discharge at Cimanuk-Bayongbong AWLR and Cimanuk-Bojongloa AWLR. To test the reliability of the model, NSE and RMSE values ​​were used. The NSE and RMSE values ​​in the Cimanuk-Bayongbong catchment area are 0.515 and 3.615 and Cimanuk-Bojongloa are 0.593 and 4.813. The results of the model parameter calibration are used to calculate the discharge at the collection point. The calibration result ​​at the collection site are exposed surface 50%, infiltration coefficient 0.5: recession coefficient 0.35: catchment area characteristic factor 10%; and soil moisture capacity 200 mm. The dependable flow is calculated based on Q90% probability, water availability in July, August, September and October is 0.078 m3/s; 0.025 m3/s; 0.035 m3/s; and 0.025 m3/s. Water availability in that month is smaller than the discharge requirement for the next five and ten years, namely ranging from 0.134 m3/s to 0.168 m3/s and 0.145 m3/s to 0,182 m3/s.
Analisis Pengaruh Tata Guna Lahan terhadap Efektivitas Daerah Irigasi Cipalebuh Gunawar, Agun; Permana, Sulwan
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1329

Abstract

Cipaleubuh Irrigation gets water from the Cipaleubuh River for the needs of rice fields and plantations in Pameungpeuk. To determine water availability and effectiveness of irrigation channels. This research was conducted to determine the Cipaleubuh Bend River Discharge and Irrigation Discharge by taking into account current conditions. The research location is Cipaleubuh Dam to Cipaleubuh Irrigation with an area of ”‹”‹1016 ha. The largest river discharge is 5.66 m3/second using the FJ Mock Method, evapotranspiration calculations using 10 years of climatology data and 10 years of rainfall data using the Penman Monteith Method. The Cipalebuh irrigation area with an area of ”‹”‹1,016 hectares requires water withdrawals, water availability is still sufficient from January to June, and scarce from July to October, but water availability is low at the end of the year. reduced capacity. Enough for November and December. Based on the analysis results, the maximum river discharge was 5.66 m3/s in March. A water intake of 1.65 l/sec/ha at the key requires a required water volume of 1016x1.65 = 1676.4 l/sec. Cipaleubuh land use is divided into river areas, plantation areas, gardens, irrigated rice fields, bushes and agricultural land. Fertile land contributes 30.880% compared to 2.017% for river water. However, water needs can be met with DI. Effective Cipaleubuh.
Perencanaan Sistem Penyediaan Air Bersih Mukti Desa Tenjowaringin Kabupaten Tasikmalaya Kusumah, Desty Rahmawati; Permana, Sulwan; Hantari, Anjas Ninda
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1400

Abstract

Clean water is the main source for society. However, not all areas have sufficient availability of clean water, for example Pangkalan Village and Pasir Mukti Village which are located in Tenjowaringin Village. In this research, planning for the availability of clean water was carried out for the people of Pangkalan village and Pasir Mukti village. The spring used in the planning was the Cipeuti spring, the water source of which had not been utilized at all. The method used to determine the amount of discharge is the volumethic method by collecting spring water, then the water is raised to the distribution reservoir using a pump, then the water is distributed using a gravity system. However, the method that will later be used for distribution of clean water is planned using the help of Epanet 2.2 software. The results of the analysis of water needs until the 2033 plan year showed that the population was 474 people using the geometric method, for a water discharge of 13,140 lt/day (0.16 lt/sec) with Cipeuti water availability until 2033, namely 0.17 lt/sec. The results of the calculations show that the availability of clean water in Cipeuti can meet the water needs of the people of Pangkalan village and Pasir Mukti village. For the dimensions of the reservoir used, namely 2.5 m x 2.5 m x 3 m and the dimensions of the planned reservoir are 2.5 m x 2.5 m x 3.5 m, the type of pipe used is HDPE pipe, where the value of the pipe coefficient uses Hazen Williams values ”‹”‹which will later be applied in the Epanet 2.2 application for pipe distribution.
Evaluasi Ketersediaan Air Baku pada Bendung Gunungcupu Yulianti, Jihan; Permana, Sulwan; Nugraha, Mochammad Suva
Jurnal Konstruksi Vol 21 No 2 (2023): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.21-2.1403

Abstract

The availability of water at Gunungcupu Dam is very much needed to support various community activities in the service area. One of the causes of the reduced supply of clean water is damage to pipes due to natural disasters, such as what happened in 2022, there was a flash flood that overflowed the Citanduy River located in the Gunungcupu Bend area and caused the main raw water transmission pipe belonging to PDAM Tirta Galuh Ciamis to reach the Gunungcupu Intake. cut off for 100 meters, as a result the water supply in the Gunugcupu Dam service area was disrupted. So this research was carried out to determine the availability of raw water, find out the projected need for clean water in 2042, and find out the planned flood discharge at Gunungcupu Dam. The method used is a quantitative approach. To determine the availability of raw water, you need to process actual discharge data using the Weibull equation, calculate population projections using arithmetic and geometric methods, calculate clean water requirements for domestic needs in 2042, and process rainfall data to analyze the planned maximum discharge using the Unit Hydrograph method. Nakayasu Synthetic and Gama I Synthetic Unit Hydrograph. The calculation results show that water availability at the Gunungcupu Dam is 730 liters/second. The need for clean water in 2042 for the three sub-districts is 302.66 liters/second. Based on these results, the water supply from Gunungcupu Dam can meet the clean water needs for Ciamis, Baregbeg, and Cijeungjing Districts in 2042. Then the flood discharge planned by the Nakayasu HSS method for Gumbel probability at Q100 is 930,484 m3/second and for Log Normal probability at Q100 amounting to 786,302 m3/second, while the planned flood discharge for the HSS Gama I method for Gumbel probability in Q100 is 833,381 m3/second and for Log Normal probability in Q100 is 707,002 m3/second. Based on these results, it can be concluded that the largest maximum discharge is the HSS Nakayasu method for Gumbel probability, so the HSS Nakayasu method is good for planning the safety of water structures against flooding.
Perencanaan dan Pemodelan Tanggul Untuk Pengendalian Banjir Kampung Cimacan Kecamatan Tarogong Kidul Nurfauziah, Hanifah; Permana, Sulwan; Zhafirah, Athaya; Fathir, Mirza
Jurnal Konstruksi Vol 23 No 1 (2025): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.23-1.1801

Abstract

Perencanaan dan pemodelan tanggul untuk pengendalian banjir Kampung Cimacan memiliki tujuan untuk merencanakan tanggul serta mereduksi debit banjir. Kampung Cimacan, Haurpanggung, Kecamatan Tarogong Kidul, Kabupaten Garut menjadi titik fokus utama penelitian. Daerah ini menjadi permasalahan dan mengakibatkan beberapa kerusakan yang signifikan di daerah tersebut contohnya perumahan dan sektor pertanian. Metode penelitian ini berupa pendekatan kuantitatif dan deskriptif yang memiliki tujuan merencanakan dimensi tangggul, perhitungan stabilitas lereng tanggul serta hasil rencana anggaran biaya pada pekerjaan tanggul, luas genangan banjir menggunakan aplikasi Hec-Ras 6.5. Hasil Perencanaan dan pemodelan tanggul menunjukan berupa dimensi tanggul dengan kala ulang 25 dan 50 tahun yaitu tinggi jagaan tanggul 1 m dengan tinggi tanggul total 8.71 m dan 10.21 m, lebar mercu tanggul sebesar 4 m, kemiringan lereng tanggul 1 : 2, stabilitas lereng tanggul pada daerah cimacan ini bersifat aman dikarenakan > 1 yaitu 1.6. Luas perbandingan genangan banjir memakai tanggul sebesar 299 Ha dan 300 Ha. Hasil dari luas genangan banjir ini memiliki penurunan yang signifikan dari sebelum memakai tanggul dan sesudah memakai tanggul sebesar 21% dan 23%. Rencana anggaran biaya tanggul untuk bahan-bahan, diperkirakan mencapai Sebesar Rp. 1.453.434.150.05. dengan panjang perencanaan 432 m, luas perencanaan 112 m² dan 124 m². Dampak dari penelitian ini akan memberikan gambaran debit banjir genangan untuk 25 dan 50 tahun kedepan.
Analisis Pengelolaan Air Irigasi Terhadap Tanaman Pangan Andriani, Ai Dini; Permana, Sulwan; Hantari, Anjas Ninda
Jurnal Konstruksi Vol 23 No 1 (2025): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.23-1.1866

Abstract

Water resources and irrigation management can be seen as one of the key components for increasing food security. The purpose of this study was to determine the effect of irrigation water on food crops. The irrigation channel is located in Jamban Sari village, the planting pattern carried out in Bayongbong Village is rice-rice-secondary crops, with a rice field water requirement of 13,058 mm/day, to determine the evapotranspiration value using the Penmant Montheit method, the largest value is 4,442 mm/day, for the largest value of the land preparation period is 13,816 mm/day, the mainstay discharge using the F.J Mock method, the largest value is 5.98 m3/sec, the calculation value is done by determining Q80% and Q90% from the discharge data that has been sorted from the largest to the smallest value. This study aims to determine the effect of the availability of irrigation water on meeting needs in Bayongbong Village.
Analisis Konsistensi Data Curah Hujan Terhadap Debit Andalan: Studi Kasus: Bendung Leuwipeundeuy Ruspa, Rena; Permana, Sulwan; Hantari, Anjas Ninda
Jurnal Konstruksi Vol 23 No 1 (2025): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.23-1.1881

Abstract

Water in the Leuwipeundeuy Dam is utilized as irrigation water, to manage efficient water requires consistent rainfall data for the calculation of reliable discharge. This study aims to determine the amount of mainstay discharge that will be used as the basis for calculating water availability. The method used to test the validity of rainfall data is the Double Mass Curve, the calculation of water availability uses the FJ. Mock method and the probability of reliable discharge with the Weibull equation. The results of the validity test state that the rainfall data is shown with a relatively linear double mass curve, so that rain data can be applied as a material for the mainstay discharge analysis. The results of the Q80% mainstay discharge analysis in 2014 amounted to 1.086 m3 / sec, in 2015 it was 0.264 m3 / sec, in 2016 it was 1.538 m3 / sec, in 2017 it was 0.754 m3 / sec, in 2018 it was 0.310 m3 / sec, in 2019 it was 0.198 m3 / sec, in 2020 it was 0.874 m3 / sec, in 2021 it was 0.766 m3 / sec, in 2022 it was 0.860 m3 / sec, and in 2023 it was 0.234 m3 / sec. The value of water discharge with 80% reliability is utilized for irrigation purposes at Leuwipeundeuy Dam.   Translated with DeepL.com (free version)
Co-Authors AA Sudharmawan, AA Adi Susetyaningsih Ahmad Tavip Baiturahman Al-Husein, Fajar Alfaruq, Muhammad Haikal Alwan Fauzan, Muhamad Aminah, Siti Nur ANANTA, ASTI Andriani, Ai Dini Anwarushofa, Whina Anzilal Fauji Aprilianti, Mega Arif, Zaenal Azziz, Abdal Bayan, Alamahul Dadang Permana Eko Walujodjati Fadhil, Raja Naufal Fahril Sidik Alfarizi Fardiansyah, Bagas Farhani, Siti Aulia Faridah, Nayla Nur Fatah, Muhamad Abdu Fathir, Mirza Fauzan, Azka Mutsla Fijannatika, Nazma Naya Firdaus Irawan, Ferdy Firdausa, Muhamad Arga Firzatullah, Belva Prana Fitriyadi, Adi Giandhani, Mochammad Rizky Gunawar, Agun Hadi, Muhamad Rizal Nurul Halimah, Silfi Nur Hantari, Anjas Ninda Hariri, Rapi Muhamad harom, Ardi Nur Hermawan, Tizar Azjah Hilmayanti, Hilmayanti Hudaedi, Muthi’ah Ibrahim, Galih Imamudin Imamudin Jamami, Yadziz Siddik Al Khaerunisa, Nisrina Komalasari, Amelia Citra Mulya Kristiawan, Diky Kusumah, Desty Rahmawati LINDAWATI M. Sri Rezeki, Pamella M.Miskun Arrihussalam Maelani, Rega Mardianti, Fira Maulana, Mochamad Dilla Maulina, Wina Senja Moch. Galdiaz Nugraha Prawira Mubarok, Abil Miftahul Muhammad Ali Faishal Muhammad Ridho Muhammad Suryadindin Muhammad, Faiz Mahatir Muharam, Muhammad Faisal Mulyana, Subhan Munawar, Arby Muhyi Muthia Mutmainah Aprinelia Nazid, Sa’dan Frima M Nazwa Tiara Herdiani Nenti Fajriyanti, Neng Nisa, Salma Aulia Nugraha, Mochammad Suva Nugraha, Yogi Nurahman, Zamzam Nuralim, Taslim Nurcinta Asih Nurdin, Almiansyah Nurfauziah, Hanifah Nurhakim, Rizal Nurlatifah, Sarah Nursalim, Fathir Miftah Prananta, Azfa Pratama, Aditya Ramdhani Prayogi, Depi Purnama, Alpin Putri, Icha Aulia Rahayu, Puspa Arum Rahma Rohimah Hinaffisah Ramadhan, M. Zilhan Salman Ramadhan, Muhamad Alfito Dwi Ramdani, Junaedi Ramdhani, Tio Rian Hidayatullah Rinjani, Nabila Putri Rismansyah, Tendi Rizal, Muhamad Saepul Rizki Anugrah Munawar Rizky, Muhammad Naufal Rohimat Rohman, Asep Abdul Rosidin, Ahmad Ruspa, Rena Ryan Ardiansyah Saepul Rohman, Taupik Sandi Dzulfikar Sanusi, Muhamad Anwar Saputra, M. Sandi Kurniawan Sastradipraja, R Muhammad Arya Fajar Saumi, Ira Nurachma Shaffan, Yusri Fisabili Sifa Nur Maisah Siti Rohmah Suhendi Sukma, Ersa Hermalia Sulastri, Dewi Sulton, Restu Suparman, Tegar Radiansyah Syafe'i, Abdullah Syifa, Syifa Khoirunnisa Yogaswara, Dendi Yulianti, Jihan Yuningsih, Siti Yuni Zaman, Muhammad Badru