LTA awards $758m contract to build MRT tunnel that will go under Central Catchment Nature Reserve

by Albert02

LTA awards $758m contract to build MRT tunnel that will go under Central Catchment Nature Reserve

LTA awards $758m contract to build MRT tunnel that will go under Central Catchment Nature Reserve. The Land Transport Authority (LTA) has granted a $758 million contract to design and construct a 5km tunnel for the second phase of the Cross Island MRT Line (CRLsecond), 2km of which would pass through the Central Catchment Nature Reserve. As part of the CRL Punggol extension, it has also granted a $496 million contract for the Punggol interchange station.

According to the LTA, both projects are scheduled to begin construction in the first half of 2023, with passenger service beginning in 2032. A joint venture of Obayashi Corp and Shanghai Tunnel Engineering Co will construct the 5km tunnel connecting Fairways Drive and Sin Ming Walk (Singapore).

According to the LTA, a gigantic tunnel boring machine with a diameter of around 12m will be used for the tube, which will stretch up to 70m below ground – much deeper than the typical 20m to 30m. According to the LTA, all environmental mitigating measures would be implemented. These include reducing or relocating CRL construction sites near environmentally sensitive areas.

When construction begins, the authority promises to continue involving stakeholders, including environmental groups. Obayashi was involved in the building of the Dhoby Ghaut station on the North East Line (NEL), while Shanghai Tunnel Engineering is now working on the Thomson-East Coast Line’s Katong Park and Bayshore stations (TEL).

Commuters from Punggol Central to Pasir Ris will be able to cut their journey time from 40 minutes to 15 minutes when the CRL Punggol extension opens in 2032. The CRL is Singapore’s eighth MRT line. The 29-kilometer-long initial phase of the CRL was announced in 2019. The construction of the 12 stations under this stage has commenced and is expected to be completed by 2030. The 15km phase two, which includes six underground stations from Turf City to Jurong Lake District, was disclosed in September. When built, the railway will improve access to Singapore’s western region.

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Source:
https://www.straitstimes.com/singapore/transport/lta-awards-758m-contract-to-build-mrt-tunnel-that-will-go-under-central-catchment-nature-reserve



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