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All Journal Jurnal Ilmiah Poli Rekayasa Media Ilmiah Teknik Sipil
Araska, Wahyu
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Civil Engineering, Building, Construction & Architecture Education

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EFISIENSI ESKALASI JARINGAN IRIGASI MELALUI PROGRAM PERCEPATAN PENINGKATAN TATA GUNA AIR IRIGASI (P3-TGAI) DI KOTA SOLOK Fernando, Rangga; Araska, Wahyu; Rianda, Hasbi
Jurnal Ilmiah Poli Rekayasa Vol 20, No 2 (2025): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.20.2.403

Abstract

The city of Solok, which is located in West Sumatra, with a population of 81,059 people, has limited agricultural land of 875.6 hectares and produces 5,430 tons of rice, which has experienced a decline in rice production since 2019. This decline in rice production was caused by irrigation constraints, which prompted the government to implement the Acceleration Program for Irrigation Water Use Improvement/P3TGAI to improve the irrigation network which involves community participation, in this case the Water User Farmers Association (P3A). This research compares the efficiency of cost planning and budgeting for irrigation improvements in the Bdr Lembang irrigation area using the Unit Price Analysis (AHSP) approach. Data collected includes primary and secondary surveys, with a focus on existing irrigation conditions. The results showed that there are 5 determinants of the success of the self-management project for P3-TGAI, such as good communication between parties involved in the project (95.95); appropriate/appropriate work planning (91.89); monitoring of the project by the parties involved (89.19); ability to solve project problems by the parties involved (83.78); proper cost management by the parties involved (83.78). Then, there are 10 aspects that determine the success of P3-TGAI self-management projects, these factors are formed from the highest index in each aspect surveyed. analysis show the difference between the implementation of self-management and contracting in the use of materials and personnel because the volume of the channel length in self-managed work is 368 meters, whereas if it is contractual the channel length volume is 345.32 meters. Thus highlighting the need for effective resource management in irrigation projects.
Analisis Kemampuan Pasir Dari Pantai Nirwana Kota Padang Dan Pasir Dari Pantai Kawasan Mandeh Pesisir Selatan Sebagai Pengganti Pasir Ottawa Dalam Pengujian Sandcone: Analysis Of The Capability Of Sand From Nirwana Beach At Padang City And Sand From Mandeh Beach At Pesisir Selatan As Subtitutes For Ottawa Sand In Sandcone Testing Afriyani, Sicilia; Prices, Afrizal Putra; Arlis, Angga Putra; Araska, Wahyu; Vernando, Vero Gusri; Husni, Alya Miftahul; Effendi, Effendi; Fitria, Winda
Media Ilmiah Teknik Sipil Vol. 13 No. 3 (2025): Media Ilmiah Teknik Sipil
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mits.v13i3.10869

Abstract

Ottawa sand has long been used as a standard material in geotechnical laboratory tests, particularly in grain size distribution and Sand Cone tests, due to its uniform particle size, purity, and stable physical properties. This study explores the potential of using beach sand from Nirwana and Mandeh as substitutes for Ottawa sand. The research process began with problem identification, followed by a literature review, sample collection, laboratory testing, and data analysis. The results show that the specific gravity of Nirwana sand (2.77) and Mandeh sand (2.72) are relatively close to Ottawa sand (±2.65). In terms of the coefficient of uniformity (Cu), Nirwana sand (2.34) is closer to Ottawa sand (2.17) compared to Mandeh sand (2.94). Regarding the coefficient of curvature (Cc), Nirwana sand (0.72) performs better than Mandeh sand (0.66), although both remain below the ideal range (1–3). Overall, Nirwana sand demonstrates greater potential as an alternative to Ottawa sand, with improvements in gradation recommended to achieve optimal performance.
Co-Authors Afriyani, Sicilia Arlis, Angga Putra Effendi Effendi Husni, Alya Miftahul Prices, Afrizal Putra Rianda, Hasbi Vernando, Vero Gusri Winda Fitria