PUBLIC NOTICE CENTRAL MARIN SANITATION AGENCY NOTICE INVITING SEALED BIDS FOR THE GRIT CLASSIFIERS REPLACEMENT PROJECT CMSA CONTRACT NO. 25-19 ("Project") The Project includes furnishing all labor, materials and equipment to demolish three (3) grit classifiers, install two (2) owner-furnished grit washers and control panels, removing and replacing five (5) owner-furnished grit pumps, installing five (5) owner-furnished VFDs, providing all associated equipment including plug valves, piping, conduits, wires, seal water system, and equipment connection fittings, and providing the mechanical, structural, instrumentation and electrical retrofits necessary to configure the grit washers and grit pumps as shown on the plans and specifications. Two bid alternates are included to replace 45-degree bends in Gallery A and to remove and replace an 8-inch grit overflow pipe and fittings. The estimated cost of construction is $1,850,000. A valid Class A California contractor's license is required to bid on the Project. Sealed bids must be delivered to the Central Marin Sanitation Agency ("CMSA"), 1301 Andersen Drive, San Rafael, California on or before 2:00 PM on Wednesday October 29, 2025 (Pacific Time). At that time the bids will be publicly opened and read. An optional pre-bid conference will be held at 10:00 AM (Pacific Time) on Wednesday October 15, 2025 at CMSA's Administration Building at 1301 Andersen Drive in San Rafael, California. A site visit prior to bidding is mandatory. A site visit may be conducted by the Contractor at its convenience prior to the preparation of its bid if the Owner is notified at least 24 hours in advance. The Contract Documents and any Addenda modifying the Contract Documents may be reviewed at select Northern California Builders Exchange / Plan Room locations, and are available electronically for download, at no cost, at https://bids.cmsa.us.