TRACK CONSTRUCTION
“I think there have been some challenges. I think you need to make sure the right people are in the room when we are collaborating and finalizing designs.”
any obstructions or conflicts that may not be seen through 2-D technology. “I think there have been some challenges [with the project],” said Kelii. “There have been
a lot of challenges on the electrical and systems work. I think you need to make sure that the right people are in the room when we are collaborating and finalizing designs. Sometimes that
communication is not the best with so many people involved.” Station stops In addition to the tunnel, the station shafts range from about 75 ft to 80 ft below the ground surface and were designed with soldier pile lagging and a series of struts to support excavation with the challenging geology. Western Station met the design subgrade elevation and the TBM slab was poured in October 2018. The interior walls, concourse slabs, and roof of La Brea Station were poured in 2021. The tar sands impacted Fairfax Station the most, but crews successfully reached design subgrade elevation in March 2019 and the invert slab was poured in August 2019. Fairfax Station interior walls were poured in 2021. Excavation of La Cienega Station was finished in October 2019 and the pouring of the invert slab was done in February 2020. Pouring of interior walls of La Cienega Station took place in 2021. The entrance structure excavation started in January 2020 and was completed in May 2020.
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12 Railway Track & Structures // October 2022
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Photo Credit: L.A. Metro
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