Citywide Dynamic Message Sign Retrofit

The City of Corona is seeking a qualified contractor to retrofit its citywide network of Dynamic Message Signs (DMS). The work involves removing existing signage and associated electronics, installing new DMS units, upgrading communications cabling (Cat‑6E), installing Ethernet switches and CCTV cameras, and performing full system integration, testing, and commissioning. All work must be performed under a C‑10 Electrical Contractor license, comply with prevailing‑wage rules, and meet CARB/SCAQMD emissions requirements for diesel‑powered equipment. Bids are submitted electronically via PlanetBids and must include a 10 % bid security; the award will be made to the lowest responsive bidder based on unit‑price totals. • Scope: removal of 8 existing signs, installation of new DMS hardware, Cat‑6E conduit wiring (≈1,000 LF), Ethernet switches, CCTV cameras, and integration/testing. • Requirements: valid California C‑10 Electrical license, DIR registration, CARB CRCs for fleet, performance & payment bonds (100 % of award), and compliance with prevailing‑wage statutes. • Schedule: 7‑day move‑in period after Notice to Proceed, followed by a 30‑working‑day construction window; liquidated damages $1,200 per day for overruns.