Crossrail is still struggling with productivity problems because tier two and three contractors are failing to deliver, according to chief executive Mark Wild.
Board papers reveal Mr Wild told a Transport for London meeting in June that “with no commercial lever” over contractors below the tier one level, Crossrail was finding it difficult to get them to improve productivity on the delayed £17.6bn line.
A senior “project leader” has been appointed to look at how the supply chain resources could be spread more effectively.
Not enough resources being committed by tier one and tier two contractors was cited as being a risk to meeting the current delivery window of October 2020 to March 2021.
Completion of Bond Street station, being built by a Costain / Skanska JV, was also highlighted as a risk factor.
A separate Crossrail board meeting in June heard that tier two and three contractors were not prioritising their work on Crossrail over other jobs.
It was also agreed at the same meeting that changes to the leadership in the Costain / Skanska joint venture were “necessary and expected”.
Crossrail is working on a final cost forecast to complete the line following the submission by tier one contractors of their schedules for seeing out the project.
An updated forecast of the cost to complete the project will be presented at the next board meeting on 18 September, along with an update on the biggest risks to the job.
The new TfL board papers also said scrutiny of health and safety on the project has been upped after two accidents resulted in staff being injured.
A scaffolding collapse at Farringdon station was described as serious and resulted in two people being injured.
Three people were also injured at Bond Street station when a temporary wooden bench collapsed.
Earlier this year, it was revealed that a worker had broken his leg during a lifting procedure amid a decline in health and safety performance during April.
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