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Faris Zahran Jemi

Unknown Affiliation

Author-ID : 2752704

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences

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Evaluation of the Settling Basin of Keumala Weir, Krueng Baro River, Aceh, Indonesia Azmeri Azmeri; Henny Herawati; Nur Aisya Amalia; Faris Zahran Jemi
Aceh International Journal of Science and Technology Vol 8, No 2 (2019): August 2019
Publisher : Graduate Program of Syiah Kuala University

Krueng Baro Irrigation network is a strategic technical irrigation area in Pidie, Aceh, Indonesia. The primary water source is the Krueng Baro River flow using the infrastructure of Keumala Weir in which sedimentation is currently a significant problem in its operations. To prevent the sediment from entering the irrigation channel is to settle it in the settling basin. However, the primary irrigation channel with the stone masonry walls kept experiencing high sedimentation. Therefore, this study aimed to evaluate the performance of the Keumala Weir settling basin including its capacity and efficiency. This study used a survey method for data collection and an evaluation method following the current guidelines for data analysis. The sediment sampling was conducted in the settling basin and the primary channel. The flushing was currently carried out for seven days. However, the settling basin capacity of 2,436.75 m3 did not meet the flushing requirements. Thus, the flushing should be performed daily for a volume of 1,859.43 m3 to fulfill the condition, so that the capacity of the settling basin was controlled. The efficiency of sediment settling was 75%, and the effect of water turbulence was in a safe condition, that the sediment settled in a settling basin would not be eroded when it is empty or full. For the flushing efficiency, the shear stress was 15,538 N/m2 that can rinse less than 16 mm particles. Based on this evaluation, it can be concluded that the sediments in the primary channel were from the settling basin. It is suggested to limit the speed in the regulating building to approximately 1.5 m/s to reduce the sediments entering the primary channel. It also requires accuracy in the operation of the primary channel intake.

Assessing The Influence Of Pandrah Irrigation System Performance Indicators Using Structural Equation Modeling Azmeri Azmeri; Winardi Winardi; Faris Zahran Jemi
Aceh International Journal of Science and Technology Vol 9, No 3 (2020): December 2020
Publisher : Graduate Program of Syiah Kuala University

Pandrah Weir, built-in 1987, serves the Pandrah Technical Irrigation Area in Bireuen District, Aceh Province, with an area of 1.203 Ha. Its old infrastructure has experienced various damage that can decrease the irrigation system performance. The Pandrah irrigation system's previous performance assessment by both the MASSCOTE approach and Rapid Appraisal Procedure (RAP) evaluation suggested a service level of 3.05 (useful classification). This study assessed the effect of the variables on the Pandrah irrigation system's performance with Structural Equation Modeling (SEM) operated by the AMOS program. The four leading indicators were irrigation service, Water User Farmers Association (P3A), operator Human Resources (H.R.), and irrigation operation modernization. The refinement of irrigation system performance analysis using SEM showed that results of the four irrigation system performance indicators, namely: 0.082 (p=0.768), 0.090 (p=0.273), 0.419 (p=0.287), and 0.606 (p=0.039) for irrigation service, P3A indicator, irrigation operation modernization, and H.R. respectively. Based on the evaluation of the four indicators of irrigation system performance, it is concluded that the Pandrah irrigation system's performance is good. This performance assessment provides a clear picture of irrigation water services, H.R., P3A being an initial assessment for priorities, planning, and scheduling to start modernization programs for irrigation system operations. Irrigation modernization aims to facilitate the operation and maintenance by improving the irrigation system. This modernization means that irrigation planning, irrigation operation, maintenance, and monitoring systems have been carefully calculated before proposing a new irrigation network. The success of monitoring activities requires the use of information technology.

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