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All Journal G-Tech : Jurnal Teknologi Terapan Jurnal Sipakatau
Furqan Ali Yusuf
Universitas Negeri Makassar, Indonesia
Religion Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Energy Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Nursing Physics Social Sciences Veterinary Other

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Study on the Capacity of Auxiliary Weir-Type Spillway at Bulango Ulu Dam Gorontalo Province Using Spillway Routing Miskar Maini; Furqan Ali Yusuf
G-Tech: Jurnal Teknologi Terapan Vol 9 No 1 (2025): G-Tech, Vol. 9 No. 1 January 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i1.5805

Abstract

The spillway on the dam functions as a safeguard against the dangers of flood water, which overflows gradually to prevent overtopping. The estimated design of flood discharge uses the SCS SUH method, while outflow discharge is calculated through spillway routing based on reservoir storage characteristics. The study results show that the maximum flood discharge with a return period of 2 years up to the Probable Maximum Flood (PMF) scenario is 420.26 m³/s to 2,288.05 m³/s respectively. Spillway routing is carried out to drain flood water from the reservoir, with a maximum outflow discharge of 44.4 m³/s to 1,250.5 m³/s, according to the flood return period. This reservoir is able to reduce flooding significantly, with a flood reduction of 89.4% at a return period of 2 years and 45.3% for PMF. The water level at the spillway was measured at various return periods, indicating there was no overtopping until the PMF flood event. Bulango Ulu Dam, which is designed with a top Dam elevation of +105 m, can safely withstand PMF flood discharge.
Entrepreneurship Training Using Geodetic Global Positioning System in Vocational High School Ishak Ishak; Ridwan Ridwan; Furqan Ali Yusuf
Jurnal Sipakatau: Inovasi Pengabdian Masyarakat Vol. 2 No. 1 (2024): Jurnal Sipakatau
Publisher : PT. Global Research Collaboration

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Abstract

This community service program aims to improve the entrepreneurial skills of students at SMK Negeri 5 Majene through training in the use of Geodetic GPS. Although this school has shown positive development in vocational education, the entrepreneurial aspect still needs strengthening, especially in the utilization of the latest technology. The training was designed to provide students with a practical understanding of Geodetic GPS applications in business contexts, such as land mapping and area mapping management. The implementation of activities includes the preparation of training materials, workshops, and evaluation of training results. The results showed an increase in student competence in using Geodetic GPS for entrepreneurship, although there were constraints related to the availability of tools and activity schedules. This program succeeded in improving technology-based business skills among students and is expected to support them in facing an increasingly digital world of work.
Co-Authors Ishak Ishak Miskar Maini Ridwan Ridwan