14th St and Vine St Storm Drain Improvements Portable Storm System

The City of Riverside is seeking a qualified contractor to install a portable storm‑drain system at the 14th St & Vine St corridor. The work includes installing a new storm‑drain pipe line, constructing concrete manholes, building new sidewalk sections and a pedestrian ramp, and providing associated grading, paving, traffic control, and utility coordination. The contract is a lump‑sum award valued at approximately $108 k, with a 40‑working‑day construction period after a written Notice to Proceed. Bids must be submitted electronically by April 7 2026, and a 10 % bid bond and proposal guaranty are required.