(1) Vendor needs to provide double tracking construction services to the government authority located in Fort Worth, TX. – Provide construction of the multimodal operations, velocity, efficiency, and safety program grant for Trinity Railway Express (TRE) double tracking construction project. – The proposed TRE double tracking consists of 2.4–miles double tracking of the existing commuter rail system from approximately Handley Ederville Road to Precinct Line Road. – Include bridge rehabilitation and new bridge construction at 5 locations. – Railroad bridges as shown on plans. – Ditch grading, track underdrains. – Bridge construction. – Retaining wall construction. – Complete work according to the schedule. The overall duration is approximately 18 months from notice to proceed. (2) Site walk will be held on December 11, 2025. (3) All the questions must be submitted no later than December 18, 2025.