Suit alleges Broomfield construction firm stiffed C-470 subcontractor

DENVER — A recently filed lawsuit from AECOM Technical Services Inc., a Los Angeles construction design subcontractor, claims a Broomfield company has refused to pay ATS for design work done as part of the Colorado Department of Transportation’s C-470 Tolled Express Lanes project.

ATS has suffered more than $5 million in damages as a result of a breach of contract by Broomfield civil infrastructure construction giant Flatiron Construction Corp. and partner AECOM Energy & Construction Inc. — collectively referred to in court documents as both Flatiron AECOM and JV — according to the suit filed…