Remaining work includes excavation and construction of sub-tunnels
- Excavation works for the main tunnel were completed at the end of July
- The tunnel is about 10 kilometres long and reaches a depth of about 30 metres
- Scheme extends several kilometres from the shoreline
Qatars Public Works Authority (Ashghal) announced on 5 August that excavation works for the main tunnel of the Mesaimeer surface and groundwater drainage project were completed at the end of July.
The completion of the main tunnel marks the end of the major works of the project. Remaining work includes the excavation and construction of sub-tunnels and inspection manholes along the main tunnel.
The tunnel is about 10 kilometres long and reaches a depth of about 30 metres. It extends several kilometres from the shoreline.
It runs under the F-Ring Road from the first excavation site in Al-Thumama area, and will stretch 5.4km to the west and 4.3km to the east, into the planned pumping station near the new Hamad International airport.
The project will discharge groundwater and stormwater into the sea. This will reduce pumping costs and the disposal of groundwater in construction projects across the country. It will also preserve the foundations of buildings, and reduce land subsidence caused by rain.
The Mesaimeer project is one of the key schemes implemented by Ashghal as part of its plans to upgrade Qatars drainage network.
It is being supervised by US consultancy CDM Smith, and is being built by Italian constractor Salini Impregilo. The project is expected to be completed in the first quarter of 2017.
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