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PENGARUH LAPISAN BETON SALURAN IRIGASI TERHADAP KEHILANGAN AIR (STUDI KASUS : DAERAH IRIGASI MENCONGAH) BAIQ RENI SARI DEWI; MUHAMAD YAMIN
GANEC SWARA Vol 16, No 1 (2022): Maret 2022
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v16i1.273

Abstract

Provision of water is very important to support optimal crop yields. However, in some areas there is a problem with not meeting the needs of the rice fields with the available discharge, this is due to several reasons, one of which is the loss of water along the channel during the journey to the rice fields. This study did not review and analyze sedimentation, this study only covered irrigation areas in the primary, secondary and tertiary canals of the Mencongah irrigation area, the type of layer was only limited to soil and concrete.From the results of the study, it was found that the efficiency difference in the channel that had been given a layer of concrete with the channel that had not been coated with concrete, which was obtained for the primary channel of 99 % efficiency, 97% of the secondary channel, while the layer which had not been coated with concrete was the tertiary channel of 87% efficiency.
ANALISA KEBUTUHAN AIR BERSIH (Studi Kasus PDAM Kabupaten Lombok Utara) DWI SULISTIA DIA ANGRAENI; MUHAMAD YAMIN; KUSMIANTI KUSMIANTI; ARIANTO ARIANTO
SOSIAL SAINS DAN TEKNOLOGI Vol 2, No 1 (2022): Mei 2022
Publisher : LPPM PSDKU Kampus Mataram UNMAS Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/sosintek.v2i1.295

Abstract

This study aims to describe (1) the level of clean water availability of PDAM North Lombok Regency in 2025 whether it can meet the needs, and (2) the rate of increase in house connections in the service area of PDAM North Lombok Regency in 2025. This type of research is a case study research with data What is needed in this research is data on the number of house connections, discharge data, and data on water needs. This analysis uses linear regression analysis.The results of the analysis show that the water demand for PDAM in North Lombok Regency in 2025 is 20510.9 m3/year, with a demand of 10796.80 m3/year the number of connections, 10796.82
ANALISA KETERSEDIAN AIR BENDUNG MENCONGAH KECAMATAN LINGSAR KABUPATEN LOMBOK BARAT APRILIA KII WENAMAYA; MUHAMAD YAMIN; AMINULLAH AMINULLAH; NI MADE NIA BUNGA SURYA DEWI
SOSIAL SAINS DAN TEKNOLOGI Vol 2, No 1 (2022): Mei 2022
Publisher : LPPM PSDKU Kampus Mataram UNMAS Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/sosintek.v2i1.297

Abstract

   The purpose of this study is to determine the availability of air that can be used for air irrigation needs for the Mencongah Weir Irrigation area and to determine the amount of air needed for Mencongah Weir irrigation. The method used is the Normal method, Log Person II and Gumbel. The results of this study indicate that the availability of air at the Mencongah Weir during the growing season is still sufficient, where the availability of air at the Mencongah Weir during the growing season is still sufficient, where the air supply (QMin) = 79.04lt/sec/ha which occurred in March. While the maximum discharge (Qmak) = 249.88 lt/sec/ha in August and the minimum water demand discharge (QMin) = 75.7 lt/sec/ha which occurred in November. While the maximum discharge (Qmak) = 127.94 lt/sec/ha in August.
ANALISIS KETERSEDIAAN DEBIT UNTUK KEBUTUHAN IRIGASI PRIMER JURANG BATU KECAMATAN PRAYA TENGAH KAB. LOMBOK TENGAH ANDRIA FIRMANSYAH BATARA; MUHAMAD YAMIN; AMINULLAH AMINULLAH
SOSIAL SAINS DAN TEKNOLOGI Vol 3, No 1 (2023): Mei 2023
Publisher : LPPM PSDKU Kampus Mataram UNMAS Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/sosintek.v3i1.422

Abstract

The purpose of this study was to determine the bending discharge of the Jurang Batu, to calculate the availability and demand for primary irrigation water in the Jurang Batu, and to calculate the discharge in the primary channel of the Jurang Batu irrigation. This type of research is case study research. This research was started with the first step, namely a field survey, in addition to conducting field surveys, primary data collection was also carried out by interviewing branch heads and secondary data collection from the Pompengan Balai Besar, followed by analyzing weir discharge data, evapotranspiration data and effective rainfall. The results of this study indicate that the availability of water in the primary irrigation of Jurang Batu for the 1st planting season starting from the preparation of land preparation until the growth period for rice plants is still sufficient where the required water discharge is 272.74 l/sec/ha while the availability is 1699.75 l/sec/ Ha. The discharge in the Jurang Batu primary channel is 569,613 l/s.
ANALISIS CURAH HUJAN UNTUK IRIGASI SEKUNDER DESA UNGGA KECAMATAN PRAYA BARAT KABUPATEN LOMBOK TENGAH ROBINSIUS KARABA LUDJI; MUHAMAD YAMIN; NI MADE NIA BUNGA SURYA DEWI
SOSIAL SAINS DAN TEKNOLOGI Vol 3, No 1 (2023): Mei 2023
Publisher : LPPM PSDKU Kampus Mataram UNMAS Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/sosintek.v3i1.425

Abstract

The purpose of this study was to determine the amount of discharge in the Ungga secondary canal irrigation network and to determine the K factor in the Ungga irrigation area. This type of research is a descriptive study to determine the performance of the Ungga secondary canal in the Batujai Dam, Central Lombok Regency. The results showed that the availability of water in Ungga irrigation starting from the preparatory period for processing water needs for plants was sufficient, the availability of water for October in the 2nd growing season was 18,400 l/s, while the need for paddy fields was 11.96 l/s, and still there is water availability of 1,538 l/s. Based on the results of the analysis of the K factor of 1,538 lit/sec, it means that the K factor in the Ungga irrigation secondary channel has met the irrigation planning standards (sufficient). The discharge (Q) on the main canal (intake) of the Batujai dam is sufficient.
ANALISIS DEBIT PADA SALURAN SEKUNDER IRIGASI PELAMBIK KECAMATAN PRAYA BARAT DAYA KABUPATEN LOMBOK TENGAH DAVID BILI; MUHAMAD YAMIN; I GUSTI NGURAH OCTOVA SEVENTILOFA
SOSIAL SAINS DAN TEKNOLOGI Vol 3, No 1 (2023): Mei 2023
Publisher : LPPM PSDKU Kampus Mataram UNMAS Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/sosintek.v3i1.421

Abstract

The purpose of this study is to explain the availability of water in the Pelambik irrigation secondary canals, and explain the level of efficiency of the Pelambik irrigation secondary canals. This type of research is a case study to determine the performance of the Pelambik secondary canal in the Batujai Dam, Central Lombok Regency. The results showed that water for needs ranging from processing preparation to planting was still sufficient according to the results of the analysis, where the water requirement during the processing period in October 2nd, the water debit Q = 4691,432 m3/s while the water requirement for processing NFR = 1290 m3 /sec. Irrigation efficiency level in Pelambik secondary irrigation has an average efficiency of 35%