By lyndamyer
In order to construct the Deep Tunnel Sewerage System Phase 2, Contract T-09, the 2nd TBM named Yuan Ching with a 7.56m diameter has excavated almost 60m beneath the ground on 15 January 2022. The average performance of this TBM for completing its 2.88 km journey was 28.8 m/day and 347.2 m/month.
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