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Slamet Imam Wahyudi, Slamet Imam
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Simulasi Jaringan Pipa Distribusi untuk Mengoptimalkan Sistem Penyediaan Air Minum Cirebon Raya, Jawa Barat, Indonesia Safitri, Adam; Wahyudi, Slamet Imam; Soedarsono, Soedarsono
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : CV. Ridwan Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (352.291 KB) | DOI: 10.36418/syntax-literate.v6i9.4086

Abstract

Indonesia yang merupakan negara kepulauan dengan curah hujan tinggi juga masih terdapat permasalahan pemenuhan akses air bersih yang belum menjangkau seluruh masyarakat. Pemerintah Republik Indonesia telah berupaya memenuhi kebutuhan air bersih melalui program-program air bersih dan sanitasi baik perdesaan maupun perkotaan dalam hal ini pemerintah membentuk badan usaha milik daerah sebagai operator pelayanan air bersih. Perusahaan Daerah Air Minum adalah Badan Usaha Milik Daerah (BUMD) yang dibentuk oleh masing-masing kabupaten/kota yang tersebar di Indonesia. Ketersediaan sistem air minum sangat berpengaruh terhadap pertumbuhan ekonomi regional, serta peningkatan kualitas hidup masyarakat dan lingkungan. Penelitian ini dilakukan bertujuan untuk memberikan simulasi jaringan pipa distribusi guna mengoptimalkan sistem penyediaan air minum. Metodologi penelitian yang dapat disajikan pada proses penelitian ini meliputi data perencanaan yang berkaitan dengan jumah penduduk, data keruangan wilayah, serta pengelolaan air bersih dalam hal ini Perumda Air Minum Tirta Jati yang ditunjuk sebagai operator pelayanan air bersih di Kabupaten Cirebon. Hasil penelitian menunjukkan bahwa program Epanet akan memprediksi arah dan debit aliran di tiap pipa, zona layanan Mundu yang meliputi 5 Kecamatan dengan jumlah penduduk sebesar 196,651jiwa. Proyeksi jumlah pertumbuhan Sambungan Rumah (SR) sebesar 6,555 dan hidran umum (HU) sebesar 1,091 unit. Total kebutuhan air domestik dan non domestik sebesar 117.99 l/dt dengan tingkat kebocoran sebesar 20%, Analisa jaringan ditribusi dengan program Epanet 2.0 memerlukan data elevasi sistem pengaliran, jumlah penduduk yang akan dilayanani dan peta jaringan pipa, sehingga pada simulasi yang dilakukan untuk sistem penyediaan air minum Zona Mundu pada tahun 2033 dari total kebutuhan domestik dan non domestik sebesar 693.87 l/dt dengan sisitem perpompaan.
ANALISIS PERSAMAAN LENGKUNG DEBIT PADA POS DUGA AIR DI HULU SUNGAI WADUK KEDUNGOMBO Kresfiaprilianto, Ananda Dwi Setiawan; Wahyudi, Slamet Imam; Ni’am, Moh Faiqun
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 28, No 2 (2023): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v28i2.5236

Abstract

Kedungombo reservoir is the largest reservoir in the Serang-Lusi watershed, Jratunseluna river basin, Central Java. Water level and discharge in the upstream river entering the reservoir were measured at 3 Gauging Stations (AWLR Guwo -Serang River, AWLR Jengglong - Laban River, and AWLR Girimargo - Uter River).The objective of this research is to determine the river's cross section, analyse changes in water level, calculate the equation for the rating curve, and assess the accuracy of the present equations at the observation site.The discharge curve analysis (Rating curve) was carried out using logarithmic analysis based on references from WMO, WSC and the Ministry of Public Works and Housing. This rating curve will describe the relationship of water level measurement to the observed river discharge.Measurements of river flow and cross-section in 2022 were carried out to add historical data on water level fluctuations as well as previous discharge measurements. The rating curve equations for the three gauging stations that were observed sequentially were Guwo station (Q = 13.23*(H+0.6)^2.432), Jengglong station (Q = 15.536*(H+0.2)^2.505) and Girimargo station (Q = 17,128*(H+0.0)^2,203). The rating curves that have been calculated indicate low accuracy at low water level due to the presence of scour and fill at the bottom of the cross-section with correlation values and RMSE respectively: PDA Guwo (R = 0.998 and RMSE = 1.62), PDA Jengglong (R = 0.985 and RMSE = 0.44), and PDA Girimargo (R = 0.961 and RMSE = 1.00).
ANALISIS VOLUME KERUSAKAN DAN KEANDALAN BANGUNAN PADA KOMPONEN STRUKTUR DAN ARSITEKTUR (STUDI KASUS PADA GEDUNG LPPM UNIVERSITAS ISLAM SULTAN AGUNG SEMARANG) Senoputro, Rifqy Anggoro; Pratama, Daffa Aditya; Adi, Henny Pratiwi; Wahyudi, Slamet Imam
Jurnal Ilmiah Penelitian Mahasiswa Vol 3, No 1 (2024): Maret 2024
Publisher : Jurnal Ilmiah Sultan Agung

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Abstract

Suatu bangunan memerlukan perawatan serta perbaikan gedung jika sudah melebihi batas umur rencana. Umur maksimal suatu  bangunan adalah 30 tahun dan jika sudah melebihi batas maka perlu perhatian khusus. Gedung LPPM Universitas Islam Sultan Agung Semarang berdiri sejak tahun 1970 yang artinya umur bangunan tersebut sudah 53 tahun, serta pada saat musim hujan gedung ini juga sering terendam banjir karena posisinya yang berada dibawah elevasi jalan -0,30 meter. Tujuan dari penelitian ini untuk menganalisis kerusakan dan keandalan bangunan gedung pada komponen struktur dan arsitektur Gedung LPPM Universitas Islam Sultan Agung Semarang. Penelitian ini dilakukan melalui observasi di lapangan, dimana untuk kerusakan menggunakan sistem pembobotan kuantitas dan untuk keandalan dengan memberikan penilaian skor terhadap hasil survey. Jenis data yang digunakan pada penelitian ini yaitu data primer meliputi denah bangunan dan volume kerusakan, serta data sekunder yang mengacu pada Permen PU No.29/PRT/M/2006 tentang pedoman teknis bangunan gedung dan Permen PU No.16/PRT/M/2010 tentang teknis pemeriksaan berkala bangunan. Hasil presentase yang didapat pada kerusakan struktur adalah 0% yang artinya tidak ada kerusakan, kemudian untuk arsitektur ruang dalam kerusakan paling besar adalah pelapis muka lantai 18,91% dan kerusakan arsitektur ruang luar paling besar adalah pelapis muka dinding 22,23 %. Kemudian untuk tingkat keandalan struktur mendapatkan angka 100%  dalam kategori andal dan arsitektur mendapatkan angka 92,23% dalam kategori kurang andal.Kata Kunci: kerusakan, keandalan, bangunan gedung, arsitektur, struktur.
Analisis Sedimentasi Pada Kolam Retensi Rolak 70 Di Jombang Menggunakan Alat Korinofaction 3.0 Rahayu, Umi; Wahyudi, Slamet Imam; Rochim, Abdul; Sentani, Ari
Pondasi Vol 28, No 1 (2023): Juni 2023
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v28i1.25186

Abstract

Beberapa wilayah di Indonesia memiliki masalah sedimentasi yang cukup tinggi sehingga menyebabkan banjir, salah satu solusi adalah dengan pembangunan kolam retensi. Sedimentasi adalah pengendapan material ke dalam waduk/ bendungan akibat kerusakan lingkungan dan erosi yang terjadi di daerah aliran sungai. Sedimentasi menjadi factor utama pembuatan Kolam Retensi Rolak 70. Bendung Gerak Gude, Rolak 70 (pelimpah samping), dan Kolam Retensi Rolak 70 adalah komponen penting dalam pengendalian banjir di Sungai Konto ketika mencapai debit melebihi maksimum. Metode yang digunakan dalam penelitian ini adalah metode survey lapangan dan pengujian di laboratorium yang meliputi pengambilan sampel sedimen di lapangan, sampel sedimen kemudian diuji di laboratorium, dan pengujian sampel tanah sedimen menggunakan alat korinofaction untuk mendapatkan sedimen melayang. Hasil penelitian ini menunjukkan data hasil uji material sample sedimen di laboratorium tanah Kolam Retensi Rolak 70 merupakan tanah lanau (peralihan antara lempung dan pasir halus). Nilai berat jenis sedimennya (𝛾𝑠 ) adalah 2,603 gr / cm3, sedangkan kadar air sedimen (w) adalah 51,619 %, uji permeabilitas besar yaitu 1,091 x 10 -3 , nilai konsolidasi besar yaitu 0,269 mm. Grafik hasil uji sedimen layang dengan pengukuran hydrometer yang dilakukan dengan 5 percobaan dapat disimpulkan ketika soil bulb mencapai angka 0 artinya sedimen telah mengendap sepenuhnya.Kata Kunci : Sedimentasi, kolam retensi, sedimen, banjir, korinofaction.
STUDI KELAYAKAN PLTM CIATEN KABUPATEN BOGOR DARI SEGI HIDROLOGI DAN EKONOMI Susilo, Adhi; wahyudi, Slamet Imam; Niam, Moh Faiqun
Pondasi Vol 29, No 1 (2024): June
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v29i1.37428

Abstract

Rivers are one of the important water sources for life on earth. Both humans,animals and plants, all need water to maintain life. Rivers flow from upstream todownstream, moving from high places to low places. Microhydro, or MicrohydroPower Plant (PLTM), is a small-scale power plant that uses water power as itsdriving force, such as irrigation canals, rivers or natural waterfalls, by utilizing theheight of the waterfall (head) and the amount of water discharge. The Cianten Riverhas sufficient water potential throughout the year, reliable discharge, suitablecontours, and has been utilized for PLTM.Data collection techniques in this research include observation and data collectionin the field by observing and recording data on the area of each watershed and thearea of civil building planning. Several models used for hydrological analysis are theTank Model, FJ Mock Model, and Markov Lag 1 Model. Apart from that,researchers also carried out financial evaluations of Microhydro Power Plants(PLTM).The results obtained for the Cianten I PLTM scheme/layout include the dam andintake building, sand trap, waterway, headpond, penstock, powerhouse, and exhaustchannels (tailrace). The generation discharge that can be selected based on the plantfactor value is in the probability range of 35% - 55%. The Cianten I PLTM project isconsidered feasible to be realized if it is in a condition of normal value andincreasing benefits. Under normal conditions, financial analysis and sensitivityanalysis show the Project FIRR results are 9.88%, FIRR on Equity is 36.52%, NPVis IDR. 2,916,937,135, and a BCR of 1.03 with an investment payback period of10.87 years.
STUDI KASUS PEMODELAN OPERASI POMPA BANJIR KAWASAN JL. MADUKORO KOTA SEMARANG bakhtiar, faridian; wahyudi, Slamet Imam
Pondasi Vol 29, No 2 (2024): Desember
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v29i2.39821

Abstract

Madukoro area in Semarang City is a residential, business, shopping, education, office, and warehousing area in the northern coastal area of Tawangmas Village in West Semarang District. Flooding problems have practically disrupted the activities of the area. The drainage system is the root cause of the problem, coupled with the contour and topography of the land which is almost flat without slopes, so it requires an evaluation of the drainage system by recalculating the hydrological and hydraulic aspects and the need for sufficient flood pump performance to overcome flood problems in the Madukoro area. The evaluation of the drainage system includes planning the modeling of the flood pump area. The calculation of the planned flood discharge uses EPA SWMM version 5.1 modeling for a 5-year period and to calculate the frequency analysis of hydrological data using Aprob_4.1. The modeling of an area of 55 ha with restrictions on the catchment area of the Madukoro area which is limited by the Semarang Indah channel on the South side, and the West to North sides are limited by Jl. Arteri Yos Sudarso, and the East side is limited by Kanal Banjir Barat. The calculation of the planned flood discharge is 12.36 m3/s at the Madukoro long storage. From the results of the planned flood discharge, the Madukoro long storage is designed using 2 pumps with a capacity of 1.5 m3/s by maintaining 1 existing pump installed at the location with a capacity of 1.5 m3/s and utilizing 2 existing pumps with a capacity of 0.6 m3/s. For long storage planning, the dimensions are adjusted to existing conditions, namely a width of 6 m with a designed depth of 1.8 m to 3.00 m, a length of 551 m, and the water level is maintained at a depth of 0.4 m to 1.0 m from the bottom of the channel. Meanwhile, the elevation planning of the embankment still uses the existing elevation. Water gates are made at the intersection of the Semarang Indah channel and the Madukoro channel, and at the warehouse location bordering Kanal Banjir Barat.
KAJIAN PENENTUAN SEGMENTASI DAN KELAS AIR DI SUNGAI DOLOK SEBAGAI POTENSI MANFAAT UNTUK AIR BAKU Awiyati, Ian Tangguh; Wahyudi, Slamet Imam; Soedarsono, Soedarsono
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 29, No 2 (2024): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v29i2.6159

Abstract

The Dolok River, which is located between Demak Regency and Semarang Regency,Central Java Province, is widely used by residents to meet their water needs in dailylife. However, as time goes by, pollution occurs which worsens the water quality ofthe Dolok River. One of the contributing factors is the existence of several factoriesand densely populated settlements along the Dolok River. Through this research,researchers intend to determine the division of segments of the Dolok River area,analyze the morphology of the Dolok River, determine the water class of the DolokRiver, predict the potential of water classes for raw water utilization and predict thepotential for raw water supply of Klambu Kudu. The methods used in this researchare the observational study method and the STORET method to determine waterclass. From the results of the analysis, Barang Dam as an upstream river has thecharacteristics of a Barbatu riverbed, relatively small discharge, river erosion andno flooding. Kebon Batur Dam is the middle part of the Dolok river which is atransportation area for erosion from upstream to downstream. Shipping channelsare areas where mud deposits occur, erosion often occurs and causes flooding.Based on the results of field surveys, the morphology of the Dolok River is a braidedtype which generally has relatively small discharge and high levels of sediment. TheDolok River water class calculated using the STORET method is classified as ClassB, namely moderately polluted. Based on the calculation results for determiningwater class by water quality category according to PP No.22 of 2021, the DolokRiver does not have potential as raw water or PDAM drinking water, because it isincluded in the class II category and can only be used as raw water for irrigation at0.52 m3. /sec. Apart from that, there was no potential for raw water supply fromKlambu Kudu to the Dolok River, because it has a different river basin.
STUDI RASIONALISASI POS CURAH HUJAN SISTEM SUNGAI SEMARANG BARAT Setyaningsih, Theresia Puji; Wahyudi, Slamet Imam; Soedarsono, Soedarsono
JMTS: Jurnal Mitra Teknik Sipil Volume 7, Nomor 2, Mei 2024
Publisher : Prodi Sarjana Teknik Sipil, FT, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmts.v7i2.27221

Abstract

Hydrological data is basic data in the design or planning of water structures. Hydrological data was taken from hydrological stations in the study area. In catchment area with a small number of stations, this will result in a greater error rate. Meanwhile, a large number of stations will of course incur large operational and maintenance costs. Therefore, rationalization studies are needed to obtain an effective and efficient stational network. This research was conducted on the West Semarang river system. In this research, data is needed, including rainfall stations and discharge or gauged stations data, and topographic data. The methods used are WMO, isohyet, stepwise and kagan. From the results of analysis it’s known that based on WMO method, the existing rainfall station network meets the criteria issued. The stepwise method analysis produces five rainfall stations that are effective and have an influence on the Kalipancur watershed. An effective rainfall station network based on the Kagan method requires 18 stations with a distance between stations of 5.13 km. In isohyet method, it can be seen that isohyet using the IDW method is closer to field conditions. From the results of the multi-criteria analysis, it can be seen that the recommendation for the rainfall station network in West Semarang River System is to maintain 7 rainfall stations, recommending 7 rainfall stations for closed or relocated, as well as adding 12 new rainfall stations at points kagan still empty. Abstrak Data hidrologi merupakan data dasar dalam desain atau perencanaan bangunan air. Data hidrologi diambil dari pos hujan yang ada pada wilayah studi. Pada DAS dengan jumlah pos sedikit, akan menghasilkan tingkat kesalahan yang lebih besar. Sedangkan jumlah pos yang besar, akan menimbulkan biaya operasional dan pemeliharaan yang besar pula. Oleh karena itu diperlukan studi rasionalisasi untuk memperoleh jaringan pos yang efektif dan efisien. Penelitian dilakukan pada Sistem Sungai Semarang Barat. Penelitian ini memerlukan data pos hujan dan pos debit, dan data topografi. Penelitian memakai metode WMO, isohyet, stepwise dan kagan. Dari hasil analisis berdasarkan metode WMO, jaringan pos hujan existing memenuhi kriteria yang dikeluarkan. Analisis metode stepwise menghasilkan lima pos hujan yang efektif dan berpengaruh terhadap DAS Pos Duga Air Kalipancur. Jaringan pos hujan yang efektif berdasarkan metode Kagan diperlukan sebanyak 18 stasiun dengan jarak antar stasiun 5,13 km. Pada metode isohyet dapat dilihat bahwa isohyet dengan metode IDW lebih mendekati kondisi lapangan. Dari hasil analisis multi kriteria dapat diketahui bahwa rekomendasi jaringan pos hujan di Sistem Sungai Semarang Barat adalah tetap mempertahankan 7 pos hujan, merekomendasikan 7 pos hujan untuk ditutup atau dipindah serta menambah 12 pos hujan baru pada titik simpul kagan yang masih kosong.
Proses Inventarisasi Aset pada Sistem Irigasi di Daerah Irigasi Rawa (DIR) Terantang Permana, Herry Ade; wahyudi, Slamet Imam; Niam, Moh Faiqun
Jurnal Kajian Ruang Vol 5, No 1 (2025): Maret
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jkr.v5i1.44196

Abstract

The inventory of irrigation infrastructure assets is a crucial step in water resource management, particularly in peatland irrigation areas with unique characteristics. However, the implementation of asset inventory in the Terantang Peatland Irrigation Area still faces various challenges, including technological limitations, human resource constraints, and discrepancies between administrative records and actual field conditions. This study aims to analyze the irrigation asset inventory process, identify challenges encountered, and formulate strategies for improving the asset recording system. A qualitative descriptive approach with a case study method was employed in the Terantang peatland irrigation area. Data were collected through field surveys, interviews with the River Basin Agency and Water User Farmer Association members, and policy document analysis. The findings indicate that asset recording is still conducted manually and is not yet integrated into a digital system, leading to delays in data updates. The main challenges in asset inventory include limited human resources, difficult area accessibility, and a lack of coordination among stakeholders. The study underscores the need for innovation in inventory methods, particularly by adopting Geographic Information System (GIS) technology and drones to enhance recording accuracy. Strengthening human resource capacity and optimizing inter-agency coordination is essential to ensure a more efficient and transparent asset recording system. The study highlights the importance of reforming irrigation asset management systems to support the sustainability of irrigation infrastructure in peatland areas.
ANALISIS KETERSEDIAAN AIR UNTUK KEBUTUHAN AIR MINUM DI KECAMATAN REMBANG KABUPATEN REMBANG Erviyanto, Danang; Poedjiastoeti, Hermin; Wahyudi, Slamet Imam
Jurnal Ilmiah Penelitian Mahasiswa Vol 2, No 1 (2023): Maret 2023
Publisher : Jurnal Ilmiah Sultan Agung

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Abstract

Kecamatan Rembang merupakan Kecamatan yang terletak di Kabupaten Rembangyang beberapa tahun ini mengalami kendala dalam memenuhi kebutuhan air minum bagimasyarakatnya. Untuk itu diperlukan suatu upaya untuk mengetahui besaran keterediaan airdan kebutuhan air minum yang ada di Kecamatan Rembang. Penelitian ini dilakukan dengantujuan untuk mengetahui ketersediaan air minum 10 tahun kedepan,mengetahui kebutuhan airminum di 10 tahun kedepan, mengetahui neraca air di Kecamatan Rembang KabupatenRembang.Metode yang dilakukan yakni melakukan identifikasi ketersediaan air, kebutuhan air,menyajikan data potensi kuantitas air guna memenuhi kebutuhan air dalam kurun waktu 10tahun mendatang. Hasil dari penelitian ini adalah Total ketersediaan air adalah 124, 12 lt/dttahun 2030. Jumlah penduduk Kecamatan Rembang pada tahun 2030 adalah 96000 jiwadengan memakai analisis pertumbuhan penduduk dengan metode Aritmatik.Kebutuhan air padatahun 2030 dari kebutuhan air domestik sebesar 87,77 liter/detik, non domestik sebesar 14,19liter/detik jika ditotal sebesar 101,97 liter/detik. Faktor harian maksimum pada tahun 2030adalah 146,83 liter/detik, dan faktor jam puncak pada tahun 2030 adalah 183,54liter/detik.Hasil perhitungan neraca air menunjukan nilai Defisit dari tahun (2021-2030).Kata Kunci :Ketersediaan Air, Kebutuhan Air, Neraca Air
Co-Authors Abdul Rochim Adhi Susilo Alamsyah, Nurul Ikhsan Ari Sentani, Ari Awiyati, Ian Tangguh Awliya Tribhuwana bakhtiar, faridian Deddy Susanto Erviyanto, Danang Gantika, Eko Henny Pratiwi Adi Hermin Poedjiastoeti Kartono Wibowo, Kartono Kresfiaprilianto, Ananda Dwi Setiawan Kusumadewi, Adlina Luthfi B, Mohammad Kevin Ni'am, Moh. Faiqun Niam, M. Faiqun Niam, Moh Faiqun Ni’am, Moh Faiqun Ni’am, Moh. Faiqun Ni’am Permana, Herry Ade Pratama, Daffa Aditya Ragil, Nafii Rusmiyanto, Dedy Safitri, Adam Senoputro, Rifqy Anggoro Setyaningsih, Theresia Puji Soedarsono Soedarsono Sunaryo Sunaryo Umi Rahayu, Umi Urfiansyah, Muhammad Thoriq Wahyudi, Rahma Sarah Wahyudi Sarah Wahyudi, Rahmatia Sarah