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Doha
The Mesaimeer Pumping Station and Outfall Project of the Public Works Authority (Ashghal) bagged the ‘Gold Award’ and the ‘Best New Entry in the Middle East’ from the Royal Society for the Prevention of Accidents (RoSPA) in recognition of its health and safety performance during 2019.
Eng. Meshaal Jarallah Abushereeda, representing the Ashghal Drainage Networks Projects Department, received the awards at a virtual event. Officials of Ashghal, project supervision consultant Mott MacDonald and contractor HBK-PORR JV also participated in the event.
Abushereeda said: “This award is a testimony to the successful implementation of Ashghal’s strategic goal to deliver sustainable infrastructure projects with outstanding health and safety performance through collaboration with all its partners.”
Ashghal started the construction of the Mesaimeer Pump Station and Outfall Tunnel Project in May 2018, with the aim of providing a sustainable solution for surface and stormwater discharges in the country. The project is currently progressing on schedule and is expected to be completed in the last quarter of 2021.
The project includes the construction of the 10km-long outfall, which is one of the longest outfall tunnels in the world. At a depth of 15 metres below the seabed, excavation of the outfall tunnel is a major construction challenge due to the changing geological features, the ground pressure and the water pressure at this depth. The excavation is therefore carried out using the “Tunnel Boring Maching (TBM) with “Earth Pressure Balance” technique, designed to operate in a range of ground conditions in Qatar. All marine works are carried out by a highly professional and specialized team.
The second part of the project includes a pumping station with 10 pumps and auxiliary facilities. The pumping station will be located at the end of Mesaimeer Tunnel south of Hamad International Airport. The pumping station will operate at a capacity of 19.7 cubic metres per second, and its function is to pump water from Mesaimeer Tunnel, which was completed in 2016, to the new outfall tunnel.
The project is designed to ensure the conservation of the marine environment, as the water to be pumped complies with international environmental standards and is discharged 10 kilometers off-shore to reduce the impact on the marine environment.
Mesaimeer Pumping Station and Outfall is the second phase of the overall Mesaimeer Surface and Storm Water Drainage Project, which aims to discharge non-reusable surface and stormwater into the sea, thus reducing surface water levels and reducing pumping costs for construction projects across the country.
It will also preserve the foundations of buildings and reduce the amount of land subsided by rain.
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23/09/2020
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