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All Journal Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia
Harvi Irvani
Program Studi Teknik Sipil Fakultas Teknik Universitas Tribhuwana Tunggadewi Malang
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Industrial & Manufacturing Engineering

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POTENSI PLTMH (PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO) DI KECAMATAN NGANTANG KABUPATEN MALANG JAWA TIMUR Ikrar Hanggara; Harvi Irvani
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 2, No 2 (2017)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v2i2.731

Abstract

Ngantang part of Malang Regency, located at an altitude between 500-700m above sea level. Judging from the topographical conditions, the potential energy of the water used as a source of energy for the MHP in this area is very high. To be able to calculate the potential energy of MHP good electricity necessary to analyze the reliability of river discharge (m3/s), high water fall (meters) and the time of engine operation plan generation (hours). Reliability discharge is obtained by calculating the flow data with FJ.Mock method. Evapotranspiration value in this study using Penman Method. Meanwhile, the data discharge measurements conducted field observations as a discharge control method of calculation results FJ.Mock. Based on the research results obtained in four locations debit mainstay at 0:39 Q60 m3 / sec (Jombok), 1:02 m3 / sec (Waturejo), 0:48 m3 / sec (Ngantru I), 3:14 m3 / sec (Ngantru II). Average large power awakened by calculation is 47.75 K. This amount is equivalent to the fulfillment of the electricity needs of as many as 47 home residences.
Analisa Kelayakan Teknis dan Ekonomi Embung Putukrejo Kabupaten Malang Ikrar Hanggara; Harvi Irvani
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 4, No 1 (2019): EDISI MARET 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (625.1 KB) | DOI: 10.33366/rekabuana.v4i1.1062

Abstract

Putukrejo Village, Kalipare Subdistrict, is one of the villages in Malang Regency which in the last 4 years has always experienced drought. The drought that occurred for 4 months in the dry month caused some problems which made the villagers panic enough. Embung is an alternative solution to overcome drought. Embung has the function of storing rainwater to be stored and used during the dry season. To build a reservoir, it is necessary to study the feasibility of both technical and economic feasibility. The results showed that the stability of the reservoir to bolster was 5.7, for stability against shear was 1.21. The B / C value is 1.1 with a benefit value of Rp 97,485,300.00 and a cost value of Rp 143,790,817.00 so that the embung can be said to be economically and technically feasible.Abstrak: Desa Putukrejo Kecamatan Kalipare merupakan salah satu desa di Kabupaten Malang yang pada 4 tahun terakhir selalu mengalami kekeringan. Kekeringan yang terjadi selama 4 bulan pada bulan kemarau menyebabkan beberapa masalah yang cukup membuat warga desa panik. Embung merupakan salah satu alternatif solusi untuk mengatasi kekeringan. Embung mempunyai fungsi menampung air hujan untuk kemudian disimpan dan digunakan pada saat kemarau. Untuk membangun embung perlu dilakukan kajian terhadap kelayakan baik kelayakan secara teknis maupun ekonomi. Hasil penelitian menunjukkan bahwa stabilitas embung terhadap guling sebesar 5.7, untuk stabilitas terhadap geser sebesar 1.21. Nilai B/C sebesar 1,1 dengan nilai manfaat sebesar Rp 97,485,300.00 dan nilai biaya sebesar Rp 143,790,817.00 sehingga embung dapat dikatakan layak secara ekonomi dan teknis.Kata kunci: embung, kelayakan, konservasi, air, kekeringan
Co-Authors Ikrar Hanggara Ikrar Hanggara, Ikrar