23-24-SW American Avenue Disposal Site Phase III - Modules 9 & 10

Excavation Liner and Construction

Results

23-24-SW was awarded on March 19, 2024 to Yarbs Grading and Paving.

A bid opening for this project was held on February 8, 2024 on Zoom.

Bid Summary(PDF, 236KB)

Everyone who expressed interest in this project is available on the Planholders List(PDF, 112KB)

Description

The work to be done consists, in general, of the excavation of Modules 9 & 10, installation of a composite liner system consisting of geosynthestics over a geosynthetic clay liner, and the performance of a geoelectric leak detection survey support. It also includes, but is not limited to, the installation of Modules 9 & 10 sump liner system, riser pipes, pumps and control panels, clean out pipes, leachate and lysimeter meter runs and all miscellaneous work associated with the installation of these items, construction of Landfill customer access roads and side ditches as well as installation of erosion control items. Clearing and grubbing is to be performed and the project site is to be finished. Other items or details not mentioned herein that are required by the plans, Standard Specifications or these special provisions shall be performed, constructed, furnished or installed.

The engineer's estimate range is $9,000,000 to $9,900,000.

Location Map(PDF, 366KB)

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Specifications and Plans

Notice to Bidders(PDF, 156KB) posted 1/9/2024

Specifications(PDF, 8MB) posted 1/11/2024

Plans(PDF, 17MB) (17MB) posted 1/9/2024

Addendum 1(PDF, 396KB) posted 2/2/2024

Supplemental Information

Modules 9 - 10 Cross Sections(PDF, 2MB) posted 1/12/2024

Requests for Clarification Responses updated 1/29/2024

Pre-bid Meeting

A pre-bid conference was held on Tuesday, January 23, 2024 at 1:30 p.m. Pacific.

Pre-Bid Conference Agenda(PDF, 296KB)

Pre-Bid Conference Attendance(PDF, 105KB)

Pre-Bid Conference Minutes(PDF, 151KB)

Attendance at the pre-bid meeting was mandatory to bid.