Optimization of Water Distribution in Pagerwojo District Tulungagung, Indonesia, using Linear Programming Model

Authors

  • Ratih Indri Hapsari Department of Civil Engineering, State Polytechnic of Malang
  • Akhmad Suryadi Department of Civil Engineering, State Polytechnic of Malang
  • Affan Nurun Tajalla Department of Civil Engineering, State Polytechnic of Malang

DOI:

https://doi.org/10.9744/ced.24.1.38-45

Keywords:

Linear programming, optimization, water distribution, water price

Abstract

Optimization approaches has been utilized in solving complex water service problems. This study attempts to determine the optimal distribution system for clean water pipelines by applying linear programming method which enables the determination of the optimal and most affordable solution under all constraints. The decision variable was the water quantity allocated to the system. The piping investment, operational and maintenance costs in present value with 4% interest were calculated to obtain the water unit price. The allocated water should meet the requirements within a dependable discharge. The study was conducted in Pagerwojo District, Tulungagung Regency, Indonesia, grouped into three transmission lines with 106 l/s demand. There are three sources of fresh water, namely Song River, Klantur River, and Gondang Spring. The analysis reveals that the minimum cost was Rp456,679,296/month. Linear programming method is proven useful for determining the allocation of clean water in the most cost-efficient manner.

Author Biographies

Ratih Indri Hapsari, Department of Civil Engineering, State Polytechnic of Malang

Ratih is a senior lecturer in Department of Civil Engineering at State Polytechnic of Malang Indonesia where she has been a faculty member since 2002. Her research interests lie in the area of hydrology, flood risk management, and weather radar application. Ratih completed her Ph.D. at University of Yamanashi Japan, her Master Degree at Sepuluh Nopember Institute of Technology, and her undergraduate studies at Brawijaya University. She is a member of IAHR, IAHS, and HATHI academic association. She serves on the Flood Risk Management Committee of IAHR. She has published numerous articles in journals and proceedings. She is active in revieweing journal articles from Elsevier Publisher, MDPI, Fuji Technology Press, and some other national journals. 

Akhmad Suryadi, Department of Civil Engineering, State Polytechnic of Malang

Akhmad Suryadi is an Associate Professor in State Polytechnic of Malang. He received Bachelor Degree in Civil Engineering from Western Kentucky University. He finished Master and Doctoral Degree in Sepuluh Nopember Institute of Technology Indonesia. His field of research is construction material science with expert system. He has published articles in international journals and numerous proceedings in civil engineering.

Affan Nurun Tajalla, Department of Civil Engineering, State Polytechnic of Malang

Affan Nurun Tajalla is a student in State Polytechnic of Malang. He studies Management of Construction Program in Department of Civil Engineering. His major of interest in water resources engineering.

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Published

2022-05-13

How to Cite

Hapsari, R. I., Suryadi, A., & Tajalla, A. N. (2022). Optimization of Water Distribution in Pagerwojo District Tulungagung, Indonesia, using Linear Programming Model. Civil Engineering Dimension, 24(1), 38-45. https://doi.org/10.9744/ced.24.1.38-45

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Articles