EVALUATION OF REHABILITATION SOLUTIONS FOR PERFORMANCE OF WATER PIPES NETWORK (CASE STUDY-EL- MINIA NEW CITY NETWORK)

Document Type : Research Paper

Authors

Civil Eng. Dept., Assiut Univ., 71516 Assiut.

Abstract

Aging of pipes and increasing demands placed upon it, have led to system deterioration which
causes increase in operation, maintenance costs and decrease in the quality and quantity of water
supplied. The water utilities put the plans to overcome these problems by suggesting solutions valid
through a predefined period of time. When suggesting these solutions, the utilities mainly
concentrate on the cost only without taking into consideration many important factors. In the target
year, El-Minia new city network will suffer from many problems such as low pressures and high
velocities. In this paper, twelve of demand allocating methods is used to simplify El-Minia network
to facilitate the optimization process, and the best method is selected and used. We suggest solutions
to the network by using Darwin Designer which is a tool in Bentley WaterGEMS V8i software. In
addition, many tools in the software are used to evaluate the suggested solutions according to cost,
efficiency, network performance at abnormal conditions and water quality. Finally, the most
consistent solution is selected.

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Main Subjects

JES. Journal of Engineering Sciences
Volume 43, No 5
September and October 2015
Pages 644-662

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