Engineers race to finish the base build of the station. Huge bonuses are at stake and if the engineers don't meet their deadline they could incur penalties of £50,000 a day until their work is finished. For 30 year old engineer Claire Clarr this is the biggest project of her career and a series of gruelling inspections will determine whether or not work on her section is signed off as complete. To add to the pressure Claire's boss Mark Allison delivers news which will change the course of her working life.
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