Hunter Substation Circuit 21 and 22 4KV-12KV - Make-Ready

The City of Riverside, California, Department of Public Utilities is soliciting bids for the Hunter Substation Circuit 21 and 22 4KV-12KV Make-Ready project (Invitation #8273), with bids due electronically August 27, 2026 at 12:00 p.m. PDT and a non-mandatory pre-bid meeting scheduled for July 29, 2026 at 10:00 a.m. PDT at the Utilities Operations Center, 2911 Adams Street, Riverside.

The scope includes furnishing and installing approximately 2,150 trench feet of conduit across multiple sizes: 40 linear feet of 3-inch conduit SCH40, 596 linear feet of 4-inch conduit SCH40, 444 linear feet of 5-inch conduit SCH40, 600 linear feet of 3-inch conduit S40E, 3,266 linear feet of 4-inch conduit S40E, and 7,842 linear feet of 5-inch conduit. Work also encompasses furnishing and installing three vaults, one pull box, one transformer pad, one pad-mounted switch enclosure vault, and one pad-mounted junction cabinet slab box. The contract includes replacing asphalt paving, grinding, and replacing concrete.

The estimated bid value is $893,826 under a lump-sum award structure. Bidders must submit a bid bond equal to 10 percent of the proposal amount, executed by a corporate surety with an A:7 rating and notarized before the bid deadline. Performance and payment bonds of 100 percent are required. Bid proposals remain valid for 120 days after opening.

The Q&A period closes August 11, 2026 at 12:00 p.m. PDT. All questions must be submitted through the City's Electronic Bidding System via the Q&A function; verbal communications will not be considered. Prospective bidders should RSVP for the pre-bid meeting at least 48 business hours in advance through the PlanetBids Vendor Portal. Unauthorized communications with City Council members, the Mayor, or City staff outside the designated process will result in contractor disqualification.