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Penentuan Prioritas Penanganan Berdasarkan Kinerja Fisik Bangunan Irigasi DI Tumpukrenteng, Kabupaten Malang Cucuk Rusdiyanto; Yurnalisdel Yurnalisdel; M. Sa'dillah
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 8 (2025): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

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Abstract

The reliability of irrigation infrastructure plays a crucial role in supporting agricultural productivity and the sustainability of water distribution. Over time, the physical components of irrigation networks are prone to degradation due to aging, hydraulic loads, sedimentation, and limited maintenance. This study aims to assess the existing physical condition and analyze the physical performance of irrigation structures in the Tumpukrenteng Irrigation District, Turen Subdistrict, Malang Regency, which serves approximately 98 hectares of agricultural land. The study focuses on physical infrastructure aspects, including main structures, conveyance channels, and ancillary structures. The research methodology involved field inspections, visual surveys of structure conditions, and direct measurements of damage levels supported by secondary technical data. The inventory data were analyzed using a weighting method based on the Irrigation System Performance Index standards, with an emphasis on physical infrastructure indicators. The results of the study indicate that, in general, the irrigation network remains in good condition; however, there are some localized damages such as minor cracks, surface peeling, sedimentation, and the growth of wild vegetation on certain canals and structures. These conditions have the potential to reduce flow efficiency and increase water loss if not addressed promptly. The physical performance metrics obtained indicate that the irrigation system is still functional but requires periodic maintenance and targeted repairs. In conclusion, this study provides a quantitative and objective assessment of the physical performance of the irrigation network, which serves as a basis for determining priorities for ongoing maintenance and rehabilitation.
Evaluasi Kinerja Fisik Bangunan Irigasi Berdasarkan Indeks Kinerja pada Daerah Irigasi Gesang, Kecamatan Ngajum Puguh Dedy Prasetya; Yurnalisdel Yurnalisdel; Handika Setya Wijaya
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 8 (2025): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

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Abstract

A decline in irrigation system performance is generally caused by infrastructure degradation and suboptimal management, which affect the effectiveness of water distribution to agricultural land. This study aims to evaluate the physical and functional performance of the irrigation network in the Gesang Irrigation District in Malang Regency as a basis for determining appropriate maintenance strategies. The research method employed a field survey approach and an irrigation performance index assessment based on parameters including physical infrastructure, crop productivity, supporting facilities, personnel organization, documentation, and the institutional framework of water-user farmers. The assessment was conducted on 33 sections of primary canals through observation of structural conditions and calculation of performance weights. The results of the study indicate that the physical condition of the infrastructure exhibits varying degrees of damage, with the following proportions: Good at 33.33%, Slightly Damaged at 33.33%, Moderately Damaged at 21.21%, Severely Damaged at 9.09%, and Natural at 3.03%. The overall performance score for the physical infrastructure reached 73.16%, which falls into the Moderately Damaged category. The component with the lowest score was the control structures at 67.50%, due to malfunctions in the distribution gates and intake structures. These conditions indicate that water distribution functions are beginning to be disrupted, necessitating rehabilitation at points of severe damage as well as intensive preventive maintenance to ensure the sustainability of irrigation services.
Analisis Efektivitas Metode Pelaksanaan Pemasangan Pipa HDPE pada Sistem Distribusi Air Minum PDAM di Kecamatan Bunder Manyar, Kabupaten Gresik Muhammad Sofyan; Yurnalisdel Yurnalisdel; Suhudi Suhudi
Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Vol 8 (2025): PROSIDING SENTIKUIN
Publisher : Fakultas Teknik Universitas Tribhuwana Tunggadewi

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Abstract

The construction of drinking water pipeline networks is a critical component of a sustainable Drinking Water Supply System (SPAM). The success of pipeline construction is heavily influenced by the appropriate selection of construction methods tailored to on-site conditions. The Umbulan Sub-Distribution Center (Sub DC) Bunder–Manyar SPAM project in Gresik Regency is a strategic project utilizing High-Density Polyethylene (HDPE) pipes with large nominal diameters and a significant route length. Diverse on-site conditions, such as open areas, road crossings, and river crossings, require the application of appropriate construction methods to ensure the work proceeds effectively and efficiently. This study aims to analyze the construction methods for HDPE DN pipelines applied in this project, analyze the costs and duration of the work, and evaluate project progress based on actual on-site conditions. The research method used is a descriptive approach combining qualitative and quantitative methods. Data was obtained through direct field observations as well as a review of the Cost Estimate (RAB), work schedule, and project progress reports. The research results show that the open-cut method is predominantly used in areas with open terrain and easy access, while the Horizontal Directional Drilling (HDD) method is applied in areas crossing roads and rivers. Based on the analysis of costs and implementation time, the application of methods appropriate to site conditions can improve work efficiency and support the achievement of project progress in accordance with the plan. Thus, the selection of the appropriate implementation method plays a crucial role in the success of drinking water pipeline network projects.