The City of National City is soliciting bids for the design‑build construction of new traffic circles on N Ave. The work encompasses full demolition of existing pavement and curb, grading, installation of concrete traffic circles, new curb and gutter, sidewalks, cross‑gutters, striping, signage, and associated traffic‑control devices. The contractor must also coordinate utility adjustments, provide temporary traffic control, protect and relocate existing utilities as required, and restore all disturbed areas to pre‑construction conditions. The project is a 60‑working‑day construction effort valued at approximately $323 K and requires a 10 % bid bond, performance and payment bonds, and compliance with a suite of California‑state certifications (non‑collusion, Iran Contracting Act, economic sanctions, etc.).
• Demolition, removal, grading, and subgrade preparation for concrete traffic circles.
• Installation of new curb, gutter, sidewalks, cross‑gutters, pavement markings, signage, and traffic‑control devices.
• Utility adjustments, temporary traffic management, and site restoration in accordance with municipal specifications.
• Mandatory bonding (10 % bid bond, 100 % performance and payment bonds) and multiple compliance certifications.