A concrete subcontractor has been barred from stepping foot on the jobsite for two high-rise condo towers in downtown Denver after the project’s general contractor accused it of “impulsively and irrationally” removing concrete supports and risking a catastrophic collapse.

“The one time that I think a judge is taught to consider a temporary restraining order is when somebody is saying that a building’s going to fall down,” Denver District Judge Bruce Jones said at a hearing Aug. 19 before ordering GCon Co. to avoid 1800 Welton St.

The Upton Residences will have 461 condos spread between two towers of 38 stories and 32 stories. It is the city’s largest condo development since The Spire in 2009.

As it sells units ahead of a 2026 opening, The Upton has been delayed by an escalating dispute

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