2021 Four Lagging Walls Construction Project: Dry Creek Rd. and Diamond Mtn. Rd.
- Status: Awarded
- Contact: Dewey Phan
- Publish Date: March 11, 2022
The proposed project consists of storm slide repair with lagging/retaining walls and roadway reconstruction caused by the 2017 and 2019 damage in Napa County. The project will commence along: Dry Creek Rd. MPM 6.2, RDS 21-30, Dry Creek Rd. MPM 9.48, RDS 21-39, Dry Creek Rd. MPM 9.75, RDS 21-06 and Diamond Mountain Rd. MPM 1.1, RDS 21-04.
Engineer Estimate: $2,015,000. The Contractor shall possess a Class A License at the time of contract award.
The bid documents are available for viewing and download in the link below. Addendum 1 was added. Addendum 2 was added with new plansheets on 03/25/22. The bidders list is posted. Addendum 3 has been added. Addendum 4 has been added. The bid opening was 04/07/22 at 11:30 AM, the project was awarded on 04/19/22 to Piazza Construction for their low base bid and add alt. The 3 lowest sublists sheets have been posted. The bid tabulation has been added.
Plans and Specifications
- RDS 2021 Notice To Contractors-4 Storms (PDF)
- RDS 2021 Combined Specifications_Section A_B_C (PDF)
- RDS 2021 Dry Creek Road MPM 6.2-Bid Set (PDF)
- RDS 2021 Dry Creek MPM 9.48-Bid Set (PDF)
- RDS 2021 Dry Creek MPM 9.75-Bid Set (PDF)
- RDS 2021 Diamond Mountain Road MPM1.1-Bid Set (PDF)
- RDS 2021 Four Lagging Walls-Addendum 01 (PDF)
Addendum 2 with plansheets
Addendums - continued
|Contractor||Total Base Bid||Add. Alt Bid|
|Piazza Construction - Penngrove, CA||$2,282,930.00||$150,716.00|
|Granite Rock Company - San Jose, CA||$2,424,246.00||$127,628.00|
|Maggiora & Ghilotti - San Rafael, CA||$2,456,700.00||$189,655.00|
|Ghilotti Construction Co. - Santa Rosa, CA||$2,456,789.10||$182,671.00|
|Gordon N. Ball - Alamo, CA||$2,911,095.00||$137,371.00|
|Suulutaaq, Inc. - Suisun City, CA||$2,989,819.60||$185,984.00|