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All Journal Civil Engineering Forum Teknik Sipil Inersia : Jurnal Teknik Sipil dan Arsitektur agriTECH Jurnal Teknik Sipil Journal of Geoscience, Engineering, Environment, and Technology Journal of the Civil Engineering Forum Jurnal Irigasi Educational Building: Jurnal Pendidikan Teknik Bangunan dan Sipil Prosiding Seminar Nasional Teknik Sipil UMS Teknologi Sipil : Jurnal Ilmu Pengetahuan dan Teknologi Jurnal Manusia dan Lingkungan
Fatchan Nurrochmad
Departemen Teknik Sipil Dan Lingkungan, Fakultas Teknik, Universitas Gadjah Mada, Yogyakarta.
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Physics Social Sciences Transportation Other

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Acceptance Analysis of PDAM Sleman’s Water Tariff, Based on Revenue and Willingness to Pay Projection Made Widiadnyana Wardiha; Istiarto Istiarto; Fatchan Nurrochmad
Journal of the Civil Engineering Forum Vol. 7 No. 2 (May 2021)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jcef.60536

Abstract

In Sleman, the Regional Water Company (PDAM) provides clean water to the community and charges a tariff for each cubic meter of water sold to customers. According to the Minister of Home Affairs Regulation No. 71 of 2016 states, PDAM tariffs requiring an annual review in November. The most recent tariff was set by PDAM Sleman in 2016, therefore, a recalculation is required. In addition, there is a need to analyze the tariff acceptance from the service provider, and service recipient’s point of view. In this study, the calculation tariff method utilized a formula based on the Minister of Home Affairs Regulation No. 71 of 2016. Meanwhile, the acceptance analysis from profit point of view conducted by calculating the projection of water sales revenue, profit to earning assets ratio, and customer willingness to pay (WTP). Furthermore, revenue projections were obtained by multiplying tariffs with the water sold volume, while the WTP projection is obtained using the inflation method, based on the PDAM Sleman customers’ wTP, from the 2007’s research. PDAM Sleman tariffs based on calculations resulted in low tariffs of IDR3727.48, basic tariffs of IDR4659.36, and full rate of IDR9460.17. Based on the WTP analysis, the tariffs are feasible from the service recipient’s (PDAM customers) point of view, because this is affordable by customers, for the average water consumption. However, from the service provider’s (PDAM Sleman) point of view, the tariffs are not feasible a 0.31% profit ratio is much lower, compared to the 10% profit ratio. Therefore, tariff adjustments are required to increase profits. These strategies include determining tariffs based on consumption blocks alone, without breaking down based on customer group categories and adjusting the second and third consumption blocks’ rate.
Pengaruh Pupuk Kascing Terhadap Kemampuan Mengikat Air pada Tanah Lempung dan Lempung Berpasir Monica Rina Tutkey; Fatchan Nurrochmad; Sri Harto Brotowiryatmo
Jurnal Irigasi Vol 12, No 2 (2017): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1020.855 KB) | DOI: 10.31028/ji.v12.i2.87-96

Abstract

The water saving irrigation would be better if the soil can hold water maximally. The problem is the soils have different water holding capacity, some of them are less, so there is need to maximize the water holding capacity. Adding  compost with the right composition can improve the soil physical properties, since organic matter in it has the aggregation capability that can bind the small granules to the large granules to improve the water holding capacity. This study aimed to analyze the maximum water holding capacity by adding 0%, 29%, 33%, 40%, 50%, 60%, 67% and 71% of vermicompost on loam and sandy loam soil. Each sample is repeated three times. PF curve was used to determine water holding capacity. The result shows that the maximum water holding capacity of loam soil is 19,14% by adding 40% of vermicompost or increased 13.56% from the original soil. On the other hand, adding vermicompost on sandy loam tends to decrease the water holding capacity. The maximum water holding capacity of sandy loam is 27.87% in 0% (original soil) of vermicompost. Further  research can be continued by paddy plot trial using the best vermicompost composition and the water saving  irrigation method.
ANALISIS SISTEM PEMBERIAN AIR TERHADAP TANAH SAWAH BERBAHAN ORGANIK Sarra Rahmadani .; Fatchan Nurrochmad .; Joko Sujono .
Educational Building Jurnal Pendidikan Teknik Bangunan dan Sipil Vol 6, No 2 DES (2020): EDUCATIONAL BUILDING
Publisher : Jurusan Pendidikan Teknik Bangunan Fakultas Teknik Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (915.541 KB) | DOI: 10.24114/ebjptbs.v6i2 DES.22015

Abstract

Salah satu tantangan utama yang dihadapi dalam pengembangan komoditas pertanian khususnya tanaman padi adalah cara memperoleh hasil yang lebih dengan penggunaan air minimum. Hal tersebut dapat dicapai melalui pengelolaan yang baik terhadap metode pemberian air, serta usaha pengkondisian tanahnya.Metode pemberian air dalam budidaya padi varietas Ciherang yang dilakukan adalah Alternate Wetting and Drying (AWD), konvensional dan Mid Summer Drainage (MSD).Penelitian dilakukan di Rumah Kaca, Fakultas Pertanian UGM pada lahan percobaan (pot).Jumlah air irigasi yang diberikan tergantung pada metode irigasi yang diterapkan.Untuk metode AWD dan MSD genangan air irigasi dipertahankan adalah 2 cm pada waktu yang telah ditetapkan berdasarkan sistemnya, sedangkan konvensional dengan kedalaman 3 cm sepanjang masa tanam.Perhitungan perkolasi dilakukan setiap hari sebelum pemberian air irigasi dengan menimbang berat air perkolasi.Penelitian ini menganalisis pengaruh sistem pemberian air pada tanah sawah berbahan organik (komposisi 40% dan 60%) terhadap hasil produksi gabah kering, keragaan tanaman, kebutuhan air irigasi, perkolasi serta produktivitas air tanaman padi. Hasil uji statistik Duncan Multiple Range Test (DMRT) menunjukkan bahwa metode AWD merupakan metode yang paling unggul dan beda nyataapabila dibandingkan dengan metode konvensional dan MSD. Metode AWD dengan masa tanam 110 HST menghasilkan 43 anakan, tinggi tanaman 127 cm, gabah kering panen 105 gr, kebutuhan air 78.92 liter, rerata perkolasi tengah bulanan 2.85 mm/hari dan produktivitas airnya 1.3 kg/m³. Penambahan bahan organik berpengaruh terhadap kemampuan tanah mengikat air yang artinya perkolasi dapat berkurang dengan penambahan bahan organik.Komposisi bahan organik 40% sudah dapat mencapai nilai yang optimum dalam kemampuan tanah mengikat air. Kata Kunci : Alternate Wetting and Drying, Mid Summer Drainage, Padi, Produktivitas Air ABSTRACT One of the main challenges faced in the development of agriculture commodity especially rice crop is how to get more results with minimum water. It can be achieved through a good management of water delivery method, as well as soil condition. In this study, several methods of water irrigation in rice cultivation  Ciherang variety were applied i.e. alternate wetting and drying (AWD), conventional and mid summer drainage (MSD). The study was conducted in the greenhouse, Faculty of Agriculture in the field trials (pot). The amount of water irrigation given depend on the irrigation method which was applied. For the AWD and MSD methods, the inundation of water irrigation is 2 cm, whereas for conventional methods with a depth of 3 cm throughout the planting period. Percolation was measured everyday before offering water irrigation by weighing the percolation water weight. This study analyzed the influence of water irrigation methods on paddy soil made from organic (composition of 40% and 60%) on dry grain yields, the performance of plants, water irrigation need, percolation and water productivity of rice plants.The result of statistical test using Duncan multiple range test (DMRT) method indicated that AWD method was the most superior method and significantly different when compared with conventional and MSD method. By the AWD method with a planting period of 110 HST produced 43 tillers, 127 cm plant height, 105 grams of dried grain yield, water need on the average of 78.92 liters, the average percolation 2.85 mm/day and water productivity of 1.3 kg/m³. The addition of organic matter affected on the soil is ability to hold water, which means that percolation can be reduced by adding organic matter. The composition of 40% organic matter can already achieve the optimum value in the soil's ability to hold water.  66Keywords: Alternate Wetting and Drying, Mid Summer Drainage, Rice, WaterProductivity
ANALISIS PERAN SERTA MASYARAKAT DALAM PENGELOLAAN AIR BERSIH (The Analysis of Community Roles in Potable Water Management) Syahrani Syahrani; Djoko Legono; Fatchan Nurrochmad
Jurnal Manusia dan Lingkungan Vol 11, No 2 (2004): Juli
Publisher : Pusat Studi Lingkungan Hidup Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jml.18622

Abstract

ABSTRAKKondisi air sungai yang terpolusi karena penebangan hutan, penambangan, dan limbah domestik menyebabkan rendahnya kualitas air yang dikonsumsi masyarakat. Pada tahun l996 telah dibentuk Unit Pengelola Air (UPS-AB) oleh komunitas di Kumpai Batu untuk membantu pengadaan air bagi masyarakat. Studi ini dilakukan untuk mengkaji kinerja UPS-AB melalui survai lapangan terhadap 160 rumah tangga. Variabel yang dikaji meliputi aktivitas UPS-AB. cara pengelolaannya dan keterlibatan masyarakat dalam pengelolaan air. Data ini kemudian diproses dengan analisa deskriptif dan analisis regresi. Hasil analisis menunjukkan bahwa tingkat partisipasi masyarakat cukup tinggi. Tingginya tingkat partisipasi ini disebabkan karena kebutuhan komunitas yang tinggi akan pelayanan air. Meskipun demikian masyarakat merasakan pentingnya peningkatan pengelolaaut air oleh UPS-AB khususnya dalam hal: peningkatan kualitas air. kontinuitas suplai. sistim pembayaran dan sistim pencatatan. ABSTRACTPolluted river water due to destructed forest, mining and population settlement have created lower quality of up-stream water that households generally consume. Considering the scarcity of water, in 1996, Potable Water Management Unit (UPS-AB) of Kumpai Batu was founded as community association to participate in the potable water preparation, development and maintenance. This study was conducted through a field survey on 160 households selected using random sampling method. The variable studied were the availability of UPS-AB, involvement indecision making, involvement in activity, involvement in evaluation and social economic condition of village community. Data were processed using descriptive an regression analysis. The result showed that availability of UPS-AB involvement in decision making, involvement in activities, involvement in evaluation and social-economic condition of village community positively affected community participation in potable water management.
Studies of Improving Drinking Water Quality in the Kalurahan Banaran Kabupaten Kulon Progo Using Porous Concrete Filter Arviananda, Rr. Dita; Kamulyan, Budi; Nurrochmad, Fatchan
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 19 No. 2 (2023): December
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v19i2.64125

Abstract

Some citizens of the Kalurahan Banaran Kabupaten Kulon Progo everyday use water that has an iron content (Fe) of 8.8 mg/L and a turbidity of 120 NTU, which is above the limit set by the Minister of Health's Regulation RI Number: 2 Tahun 2023 on the Quality Requirements of Drinking Water. To solve this problem, research has been conducted to reduce Fe and turbidity by using porous concrete filters. Three models of porous concrete A (porousity 0.42), B (porousity 0.44), and C (porousity 0.46), were used to filter water samples using two aerator diffusers at speeds of 3 L/h and 6 L/hour on each porous concrete filter. The results of the study showed that at an aeration rate of 3 L/hour, there had been a successive decrease in turbidity and Fe from 14.9 NTU to 1.38 NTU and 1.64 mg/L to 0.14 mg/L (filter A); 80 NTU to 0.5 NTU and 6.55 mg/L to 0.02 mg/L (filter B); 80 NTU to 0.1 NTU and 6.5 mg/L to 0 mg/L (filter C). For an aeration rate of 6 L/hour, there had been a successive decrease in turbidity and Fe from 80 NTU to 0.82 NTU and 6.55 mg/L to 0.05 mg/L (filter A); 89.8 NTU to 0.28 NTU, and 7.8 mg/L to 0.01 mg/L (filter B); 80 NTU to 0.28 NTU and 6,55 mg/L to 0 mg /L (filter C). The results show that the porous concrete filter can be considered an alternative to drinking water treatment in the Kalurahan Banaran Kabupaten Kulon Progo.
The Pervious Concrete and Pervious Mortar as Water Filter in Decentralized Water Treatment– a Review Yogafanny, Ekha; Triatmadja, Radianta; Nurrochmad, Fatchan; Supraba, Intan
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 1 (2024): JGEET Vol 09 No 01 : March (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.1.14236

Abstract

Decentralized water treatment system is water treatment carried out by the community on a household-scale. One of the technologies that have been developed to gain freshwater is the pervious concrete filter (PCF). This study aims to provide the researchers with an understanding of the pervious concrete filter as a potential filter technology in water treatment. The method used is a literature review from several papers and reports related to pervious concrete from past to present. PCF is a filter made from a mixture of aggregate, cement, and water with a specific ratio. PCF has enough water and air permeability due to interconnected macro pores. Some properties such as porosity, permeability, and pores size determine the ability of PCF to remove the contaminants in the water. These properties were controlled mostly by the aggregate size, aggregate-cement ratio, water-cement ratio, etc. According to its characteristic, the PCF shows a prospect to be used as water filter mainly in a decentralized water treatment system. Besides, the understanding of PCF is a basis to develop a pervious mortar filter that slightly different in the aggregate sizes used in this composite.
Analisis Pengaruh Perilaku Masyarakat Terhadap Kualitas Air Baku dan Air Minum PDAM Tirta Handayani Gunung Kidul Tandi, Frederik K; Kamulyan, Budi; Nurrochmad, Fatchan
Teknologi Sipil : Jurnal Ilmu Pengetahuan dan Teknologi Vol 7, No 2 (2023): JTS TEKNOLOGI SIPIL
Publisher : Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/ts.v7i2.13182

Abstract

PDAM Tirta Handayani merupakan perusahaan penyedia dan penyalur air pada masyarakat yangterletak di Gunung Kidul.. Kualitas air baku diketahui dengan membandingkan nilai yang ditetapkan PeraturanPemerintah Nomor 22 tahun 2021dan kualitas air minum berdasarkan nilai dari Peraturan Menteri KesehatanNo 492 tahun 2010. Hasil uji air baku untuk IPA Baron dan Bribin semua parameternya masuk kelas I yangperuntukannya sebagai air baku air minum. Hasil Uji kualitas air minum IPA Baron dan Bribin menunjukkanbahwa parameter fisik dan mikrobiologi melebihi kadar yang seharusnya yaitu nilai E.Coli dan Total Coliform0 pada daerah yang diuji nilai tertinggi mencapai 1200. Perilaku masyarakat sangat berpengaruh pada kualitasair baku dimana warga Gunung kidul sering mengubur jasad hewan dalam tanah sehingga bakteri dari hewanyang dikubur itu bisa mempengaruhi kualitas tanah sekitarnya. Air PDAM yang diterima masyarakat masihberbau amis sehingga mereka memasak airnya lagi untuk menghilangkan bau untuk dikonsumsi tiap hari.
Efficiency Analysis of Tertiary Channels in Mataram Irrigation. Special Region of Yogyakarta Murtaqi, Muhamad Anif Ainul; Wignyosukarto, Budi Santoso; Nurrochmad, Fatchan
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 19 No. 1 (2023): May
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v19i1.53760

Abstract

Mataram irrigation canal is an agricultural infrastructure built around 1942 with a channel length of ± 34.5 km. Changes in land use patterns that occur in Yogyakarta will certainly have an impact on changing the demand for water discharge in the canals and the ability of the canals to drain water. The tertiary network in the Mataram irrigation canal is the most influential on land use change. where the network connects the Mataram main network with the surrounding rice fields. This study reviews how much efficiency and water loss occurs in the Mataram irrigation tertiary channel. Analysis of the efficiency of the Mataram irrigation canal was carried out by comparing the discharge inflow and outflow in the channel while the analysis of water loss in the channel is carried out by calculating the amount of evaporation and seepage that occurs in the channel. Efficiency results in 25 Mataram tertiary channels. there are 9 channels where water utilization is greater than water demand indicated loss that occurs in the channel. Loss in the channel is caused using water for other factors or water leakage occurs in the channel. This is indicated by the fact that the water supplied to the canal is greater than the required amount of water. so that the percentage of water usage in this channel is more than 100%. Different conditions were obtained from the other 16 canals. where water utilization was less than the water requirement. so there was excess water in the canals. This incident occurred because the irrigation service area had experienced a change in land use or a lot of land that did not need water. This causes the downstream water discharge to be greater than the given discharge because there is additional discharge from other sources.
Analisis Potensi Sedimentasi Embung Bekas Lahan Galian Tambang Batubara (Studi Kasus Embung Bukit Raya 1b Tenggarong Seberang) Wahyudin, Wahid Syaifullah; Nurrochmad, Fatchan; Karlina, K
Prosiding Seminar Nasional Teknik Sipil UMS 2020: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2004.46 KB)

Abstract

Kabupaten Kutai Kartanegara merupakan salah satu penyangga kebutuhan pangan di Kalimantan Timur. Sebagian sumber air irigasi berasal dari air hujan yang tertampung di lahan bekas galian tambang batubara berupa embung yang mempunyai kapasitas tertentu. Salah satunya adalah Embung Bukit Raya 1b dengan luas 9,6 ha, volume tampungan 928.222 m3, volume tampungan mati (dead storage) 343.980 m3 dan melayani daerah irigasi seluas 334,46 ha, Embung Bukit Raya 1b mulai dioperasikan di awal tahun 2013. Permasalahan umum yang biasa dialami embung adalah besar sedimentasi yang menyebabkan tingkat ketersediaan air embung lama – lama berkurang, namun karena di Embung Bukit Raya 1b tidak tersedia data sedimentasi terukur, maka besar sedimentasi yang bisa dihitung adalah potensinya saja. Melalui pengamatan langsung di lapangan, indikasi adanya sedimentasi mulai terlihat, yaitu luas genangan berkurang, muncul beberapa titik gundukan tanah di kaki tebing ataupun tanggul Embung Bukit Raya 1b. Cara menghitung besar potensi sedimentasi digunakan pendekatan Metode USLE dan MUSLE. Besar potensi sedimentasi diperoleh dari hasil perhitungan erosi tanggul ataupun tebing embung yang masuk ke dalam embung. Daerah tangkapan air (catchment area) diperoleh dengan cara mengolah data DEM dari Badan Informasi Geospasial 2014 menjadi peta topografi menggunakan Arc – Gis. Data curah hujan yang digunakan sebanyak 7 tahun mulai tahun 2013 – 2019. Hasil hitungan berdasarkan Metode USLE diperoleh besar erosi selama rata – rata satu tahun sebesar 17.312,603 m3/tahun, sedimentasi diperoleh dari besar erosi dikalikan nilai Sediment Delivery Ratio (SDR) 47,765 %. Hasil perhitungan menunjukkan besar potensi sedimentasi rata – rata pertahun adalah sebesar 8.269,453 m3/tahun yang menyebabkan umur operasi embung paling lama 42 tahun jika tidak ada pemeliharaan sama sekali. Hasil hitungan menurut Metode MUSLE, besar potensi sedimentasi dengan kala ulang 2, 5, 10, 25, 50, dan 100 tahun adalah sebesar 19.777,433 m3; 26.257,524 m3; 30.467,198 m3; 35.717,971 m3, 39.581,333 m3, dan 43.429,729 m3 secara berturut-turut, jika tidak ada pemeliharaan sama sekali, umur layanan embung di saat kala ulang 50 tahun sudah tidak bisa dioperasikan lagi.
Evaluasi Kinerja Bendung Kamijoro untuk Daerah Irigasi Kamijoro Kabupaten Bantul, Provinsi Daerah Istimewa Yogyakarta Maulida, Fitria Afriani; Nurrochmad, Fatchan; Pratiwi, Endita Prima Ari
Prosiding Seminar Nasional Teknik Sipil UMS 2020: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1838.135 KB)

Abstract

Bendung Kamijoro yang terletak di Kabupaten Bantul Provinsi Daerah Istimewa Yogyakarta, selesai dibangun pada Desember 2018. Bendung tersebut direncanakan menjadi sumber air irigasi utama Daerah Irigasi (DI) Kamijoro seluas 2006 hektar yang sebelumnya mendapat air irigasi dari Bendung Pijenan. Sumber air Bendung Kamijoro adalah Sungai Progo yang memiliki debit cukup besar sepanjang tahun. Namun, setelah setahun beroperasi, daerah irigasi hilir masih mengalami kekurangan air pada Musim Tanam III. Sehingga, perlu dilakukan evaluasi untuk mengetahui sumber permasalahan dan menentukan solusi untuk mengatasinya. Dalam penelitian ini dilakukan analisis keseimbangan air, analisis kondisi, dan analisis efisiensi saluran irigasi. Hasil analisis keseimbangan air DI Kamijoro menunjukkan ketersediaan air di Sungai Progo selalu lebih besar dari kebutuhan irigasi DI Kamijoro. Namun, pengamatan lapangan menunjukkan banyak pengambilan liar air irigasi dengan pompa dan lubang sadap. Selain itu, kondisi saluran irigasi banyak mengalami kerusakan, serta terdapat sedimentasi tepat di hulu pintu pengambilan dan di sepanjang saluran. Akibatnya efisiensi saluran menjadi rendah 59.33%, lebih rendah dari yang disyaratkan KP-03 yaitu 90%. Karena masalah sedimentasi di hulu pintu pengambilan, sumber irigasi utama tetap mengambil dari Bendung Pijenan. Solusi yang dapat dilakukan yaitu melakukan rehabilitasi saluran, perbaikan sungai, serta penertiban sadap dan pompa liar.
Co-Authors Adam Pamudji Rahardjo Arviananda, Rr. Dita Bambang Agus Kironoto Budi Kamulyan Budi Wignyosukarto Cut Dwi Refika Darajat, Achmad Rafi’ud Desneri Didirianti Dhinar Yoga Hanggung Legowo Djoko Legono Djoko Legono Eka Laily Ramadhani Ekha Yogafanny, Ekha Endita Prima Ari Pratiwi Endita Prima Ari Pratiwi Endita Prima Ari Pratiwi Intan Supraba, Intan Istiarto Istiarto Joko Sujono Joko Sujono Joko Sujono . Karlina, K Made Widiadnyana Wardiha Maulida, Fitria Afriani Monica Rina Tutkey Murtaqi, Muhamad Anif Ainul Rachmad Jayadi Radianta Triadmadja Rahardjo, Adam Pamudji Refika, Cut Dwi Sarra Rahmadani Sri Harto Brotowiryatmo Sunjoto Sunjoto SYAHRANI SYAHRANI Syahrani Syahrani Tandi, Frederik K Umar Fauzan Wahyudin, Wahid Syaifullah Wignyosukarto, Budi Santoso