Earthwork, construct soldier pile walls, & place new roadway section.

The California Department of Transportation (Caltrans) is soliciting bids for contract 01-0L1104, a construction project focused on earthwork, the construction of soldier pile walls, and the placement of a new roadway section in California. With an estimated project value of 14.5 million dollars, the scope includes grading, paving, trench excavation, and the installation of steel soldier piles, concrete backfill, and various roadway safety features such as guardrails and crash cushions. The project emphasizes the use of Automated Machine Guidance (AMG) and GNSS systems for surveying and excavation, requiring specific calibration reports and equipment lists as key deliverables. The contractor is responsible for comprehensive quality control, including adherence to ASTM standards for reinforcing bars and concrete testing, and must employ A2LA-accredited laboratories. Environmental compliance is a critical component, requiring the submission of stormwater pollution prevention plans, invasive species control measures, and the management of materials containing naturally occurring asbestos. Key personnel requirements include a Certified Industrial Hygienist for health and safety plans and a designated safety representative. Bids must be submitted electronically via the Bid Express website by 2:00 p.m. on October 7, 2026.