The Experience of Designing and Building a Floating Intake System in the Doosti Dam

فصلنامه آب و توسعه پایدار

Article 6, Volume 11, Issue 2 - Serial Number 32, September 2024, Pages 57-64   

Document Type: Technical paper

DOI: 10.22067/jwsd.2024.85917.1292

Authors

Akbar Shahabi^{* 1}; Mahmood Naderian²; Mohsen Maghrebi³; Reza Ghasemi²

¹Dam and Network Design Studies Department, Khorasan Razavi Regional Water Company, Mashhad, Iran.

²Water Technical Office, Khorasan Razavi Regional Water Company, Mashhad, Iran.

³Hydropars Khorasan Consulting Engineers, Civil Engineering Department, Gonabad Higher Education Complex, Gonabad, Iran.

Abstract

Ensuring water in critical conditions, especially in the hot months of the year, is very critical and requires optimal use of all water capacities. In this research, the study and implementation approach of constructing a floating pumping station in the Doosti dam to water withdrawal from the surface of the reservoir to improve the qualitative and quantitative conditions in water withdrawal from the reservoir of this dam in summer 2023 has been discussed. By using a floating pumping station with an approximate weight of 100 tons, it was possible to supply water with a capacity of 2.25 to 3 m3/s from the Doosti dam reservoir and with a turbidity between 4 and 5 NTU; While without using this floating pumping station, maximum of 2 m3/s of water with a turbidity between 17 and 19 NTU could be extracted from the dam. One of the most important features of this project was the transfer of a significant volume of water from the dam reservoir to the intake tower in the shortest possible time with the least equipment and facilities, which, by being placed in the circuit, was able to play an important role in providing drinking water to the Mashhad city in summer 2023. The results of this research can be used in other dams of the country and in water resources development planning to cover current needs or increase the water quality in the exploitation of dams. 

Keywords

Drinking Water Supply of Mashhad City; Floating Pumping Station; Doosti Dam

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