Call 1 04-3AA504

Solicitation 04-3AA504 is a construction project issued by the California Department of Transportation (Caltrans) for roadway improvements in Marin, California. The scope of work includes the installation of TL-3 guardrail systems, thermoplastic traffic striping, temporary signal systems, and the construction of soldier pile walls with sculpted shotcrete. The estimated contract value is 4,470,000 dollars, which includes a 5% contingency. Performance must begin within 55 days of contract approval, with specific environmental windows for erosion control and hydroseeding between September 15 and February 15. The contract mandates strict environmental and personnel requirements, including the appointment of a Qualified Biologist and a Biological Monitor to oversee the protection of special-status species. The Qualified Biologist holds unilateral authority to stop work to ensure regulatory compliance. Key deliverables include the management of treated wood waste, which must be transported in water-resistant containers to permitted disposal sites and labeled with specific project and contact information. Compliance is measured through ASTM standards, US EPA SW-846 methods for waste analysis, and Buy America certifications. Bidders must have a Digital ID and approved bidding authorization with Caltrans to be added as a plan holder.