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The Design of The Drainage Channel for District V Penfui Timur Village Bees, Azarya; Fuamuni, Arsenius A.L.; Soares, Ricardo da Rosa; Xavier, Dodelio De Carvalho
ABDIMAS: Jurnal Pengabdian Masyarakat Vol. 6 No. 2 (2023): ABDIMAS UMTAS: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Muhammadiyah Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35568/abdimas.v6i2.3289

Abstract

The planning of drainage channels for the people of District V of Penfui Timur Village is considered important in order to support built facilities such as roads and housing areas so that they are free from inundation when there is high intensity of rainfall. Therefore, through the International Thematic KKN activities by the Faculty of Engineering, Widya Mandira Catholic University and the Dili Institute of Technology, students and lecturers collaborated to design drainage channels for asphalt roads and dirt roads in District V, Penfui Timur Village. The results of the analysis shows that asphalt roads with a return period of 2 years require for a channel width (B) of 40 cm and for a depth (y) of 20 cm, while for a return period of 5 years requires for a channel width (B) of 46 cm and for a depth ( y) channel of 25 cm. In the other hand, for a dirt road with a return period of 2 years requires for a channel width (B) of 41 cm and for a channel depth (y) of 21 cm, while for a return period of 5 years requires for a channel width (B) of 46 cm and for a channel depth (y) of 23cm.
Analysis of Water Availability Potential to Support the Food Estate Program in Central Sumba Regency Pentewati, Priseila; R Daniswara, Damian; Bees, Azarya; Santi L M F Seran, Sri
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol. 17 No. 1 (2026): In Press
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2026.017.01.3

Abstract

This study evaluates the potential of water resources to support the Food Estate (FE) program in Central Sumba, a semi-arid region in East Nusa Tenggara, Indonesia, where water scarcity and uneven distribution present major challenges for agricultural expansion. An integrative methodological framework was applied by combining dependable discharge analysis (Q80), calibrated satellite rainfall data, and multi-criteria prioritization using the Analytical Hierarchy Process (AHP). Calibration of GPM rainfall against ground observations improved input accuracy for hydrological modeling, while the Q80 analysis identified reliable sources, such as the Palamedo and Waiwakaka rivers and the Waikasoruk spring. Spatial prioritization revealed distinct zone characteristics: FE.1 as the core area with dependable flows, FE.2 as a buffer with moderate but seasonal resources requiring incremental interventions, and FE.3 as a resilience zone constrained by hard rock lithology, steep slopes, and high infiltration, demanding targeted measures such as catchment management and groundwater exploration. The findings provide practical policy guidance for staged Food Estate implementation, emphasizing small-scale infrastructure upgrades, adaptive water management, and zone-specific interventions that align with national food security objectives. While the framework proves effective in data-scarce environments, limitations remain in medium-term rainfall calibration and in limited discharge records, suggesting the need for future research on climate change impacts, long-term monitoring, and demand-supply scenario analysis.