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RTA Completes 50% Of Tunnel Drilling Works In Route 2020 |
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HE Mattar Al Tayer, Director General and Chairman of the Board of Executive Directors of Roads and Transport Authority (RTA), announced the completion of 50% of main tunneling works of Route 2020 Project, which extends 3.2 km at a varying depth from 12 to 36 meters. Al Tayer revealed that completion rate in the construction of stations ranges from 4 to 42%. Al Tayer made this statement during an inspection tour of stations of Route 2020 Project that spans 15 km from Nakheel Harbour and Tower Station up to the site of Expo. Al Tayer attended a briefing by Abdul Mohsen Ibrahim Younes, CEO of Rail Agency; and Abdul Rida Abu Al Hasan, Executive Director of Rail Projects Planning and Development, about the progress in the tunneling works, which started last October. The giant Tunnel Boring Machine, known as ‘Al Wugeisha Expo 2020,’ commenced tunnel drilling works at Al Furjan, passed across the Discovery Gardens and reached the underground station nearby Jumeirah Golf Estates, last February. It will continue tunneling works up to the Dubai Investment Park, and all tunnel-related works are scheduled for completion in December this year. Al Wugeisha can crush stones and penetrate through sandy layers or any soil components encountered during the drilling process. It has a huge metal gear supported by an automated tail. At the front, it has a cutting wheel with a cavity the shape of which varies according to the type of drilling and soil layers. The single concrete ring has six to seven molds, each ring measures about 1.5 m in diameter. Al Tayer was also briefed about the work progress in the metro stations. Currently the architectural, constructional and electromechanical designs are being developed for Expo Station, elevated and underground stations, and Nakheel Harbour and Tower Station. Completion rate in the underground station at Jumeirah Golf Estates has reached 42%, whereas the completion rate of the underground station at DIP has reached 8%. The completion rate has reached 14% in the elevated station at Al Furjan, 12% in the elevated station at the Discovery Gardens, 7% in Expo Station, and 3% in Nakheel Harbour and Tower Station. Completion rate has reached 50% in the deep foundations of Nakheel Harbour and Tower Station. The footbridge linking the station and the Park-N-Ride Terminal has been removed to start construction works in the new station. The project contractor has completed construction works in the deep foundations and pillars at the Gardens area. Work is currently underway in the manufacturing of the metal structures of the elevated station at the Discovery Garden, where completion rate has reached 35%. Works started in casting reinforced concrete for the foundations of the main building of Expo Station. The completion rate of casting concrete pillars of Expo Station has exceeded 70%. The completion rate in the construction of pillars and walls of the western gate of the station has exceeded 90% and 40% in the Eastern Gate. As for the installation of viaduct segments, about 60 of viaduct segments have been installed in various parts of the project. Al Tayer was delighted with the work progress in Route 2020 Project, as it is moving according to the approved time chart. The first of the new metro carriages are expected to arrive in July this year. Construction works in viaducts are expected to be completed this November 2018. All rail works of Route 2020 are expected to be completed in July 2019. RTA will start the test-run of the metro in February 2020. |
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