Mendocino County #260021

Hill Road Bridge replacement, including steel truss bridge design, fabrication, and installation

Mendocino County is seeking a contractor to replace the Hill Road Bridge over Mill Creek and associated roadway and site infrastructure. - Buyer: County of Mendocino, Department of Transportation; the bid materials also identify Caltrans District 1. The notice is addressed to Howard N. Dashiell. - Procurement and status: Hill Road Bridge Replacement on County Road 327B. The notice indicates an intent to award pending review of required bid submittals. The documents report differing bid figures: an apparent low bid of $6,313,940.93 in the intent-to-award notice and a corrected low bid of $4,955,021.00 for Gordon N. Ball, Inc. in the bid summary. - OEMs and vendors: No bridge or material OEMs are named. Gordon N. Ball, Inc. is named as the low bidder in one bid summary; no other bidder names are provided in the supplied summaries. - Main work: Design, fabricate, deliver, and install one steel truss bridge with deck, plus foundations and bridge concrete, roadway excavation and paving, drainage, slope protection, guardrails, signs and markings, traffic control, erosion controls, and environmental restoration. - Notable quantities: 4,350 CY imported borrow; 480 tons of Type A hot-mix asphalt in the corrected bid summary (the notice-to-bidders schedule lists 475 tons of Type B); 362 CY structural bridge concrete; 77,200 lb reinforcing steel; 33 driven steel pipe piles; 693 LF of CIDH piles; 58 LF of 12-inch RCP and 57 LF of 18-inch RCP; 1,400 LF each of temporary silt fence and ESA fence; and 29 mailboxes to reset. - Other requirements: Includes 10 stormwater sampling and analysis days, 10 days of archaeological monitoring, a contractor-supplied biologist, temporary creek diversion, bioretention and restoration work. No DBE goal is specified, and bidders must attend one of the mandatory pre-bid meetings. - Value information: The bid bond estimate gives a base-bid range of $5.5 million to $6.7 million; the supplied bid documents also report the differing low-bid amounts noted above.

Description

The County of Mendocino Department of Transportation is soliciting bids for replacement of the Hill Road Bridge over Mill Creek on CR 327B at M.P. 2.05. The work includes bridge design, fabrication and installation, along with related roadway, drainage, traffic-control, environmental, and site work. The notice states there is no DBE goal and requires bidders to attend one of the mandatory pre-bid meetings. Contract documents are available for purchase for $60.00.

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