CONSTRUCTION OF THE WMU 7J BASE LINER SYSTEM

Agency: Yolo County
State: California
Type of Government: State & Local
NAICS Category:
  • 236220 - Commercial and Institutional Building Construction
  • 238990 - All Other Specialty Trade Contractors
Posted Date: Feb 18, 2026
Due Date: Mar 5, 2026
Original Source: Please Login to View Page
Contact information: Please Login to View Page
Bid Documents: Please Login to View Page
Title: CONSTRUCTION OF THE WMU 7J BASE LINER SYSTEM
Due Date: 3/5/2026

CONSTRUCTION OF THE WMU 7J BASE LINER SYSTEM
Yolo County, California
Get on Interest List
Details
Documents
Interest List
Q&A (6)
E-Bid
Changes
Open
Reference No.
ITB-2026-0001
Due Date
March 5, 2026 at 2:0:0 PM PST
Questions Due
2/23/2026
Conference Date
2/10/2026
Time Remaining
14 Days
Basic Info
Release Date
1/16/2026
Type
Invitation to Bid
Department(s)
Division of Integrated Waste Management
Categories
Landfill Construction
Geomembrane, Landfill Liner
Civil Construction
Construction Engineering
Geotextiles
Contact Info
Contact Name
Keely Mendes
Email Address
Keely.Mendes@yolocounty.org
Phone No.
530-406-5774
Download Package
Attachments
Name
WMU 6H 22271 Point Over Point Asbuilt Sub-Found Liner REV.dwg
Detail
Amendment
Type
Unknown
Size
8.0MB
Age
2 hours
Name
2026 WMU 7J BORROW - LINEWORKS.dwg
Detail
Amendment
Type
Unknown
Size
10.3MB
Age
2 hours
Name
WMU 7J LINER IFB SET - REV D - 20260213.pdf
Detail
Amendment
Type
PDF
Size
36.3MB
Age
2 hours
Name
WMU 7J Base Liner Addendum 1.pdf
Detail
Addendum
Type
PDF
Size
1.5MB
Age
2 hours
Name
Pre-Bid Meeting Sign-In Sheet.pdf
Detail
Sign-In Sheet
Type
PDF
Size
549KB
Age
6 days
Name
WMU 7J Base Liner System Tech Specs.pdf
Detail
Solicitation
Type
PDF
Size
508KB
Age
33 days
Name
contours_1_unit.dxf
Detail
Solicitation
Type
Unknown
Size
833.5MB
Age
33 days
Name
WMU 7J Base Liner System.dwg
Detail
Solicitation
Type
Unknown
Size
1.5MB
Age
33 days
Name
WMU 7J Base Liner System CQA Plan.pdf
Detail
Solicitation
Type
PDF
Size
252KB
Age
33 days
Name
WMU7J Phase 2 GP SP NOC.pdf
Detail
Solicitation
Type
PDF
Size
1.3MB
Age
33 days
Name
WMU 7J Phase 2 Bid Documents.pdf
Detail
Solicitation
Type
PDF
Size
606KB
Age
33 days
Name
Detail
Type
Size
Age
WMU 6H 22271 Point Over Point Asbuilt Sub-Found Liner REV.dwg
Amendment
Unknown
8.0MB
2 hours
2026 WMU 7J BORROW - LINEWORKS.dwg
Amendment
Unknown
10.3MB
2 hours
WMU 7J LINER IFB SET - REV D - 20260213.pdf
Amendment
PDF
36.3MB
2 hours
WMU 7J Base Liner Addendum 1.pdf
Addendum
PDF
1.5MB
2 hours
Pre-Bid Meeting Sign-In Sheet.pdf
Sign-In Sheet
PDF
549KB
6 days
WMU 7J Base Liner System Tech Specs.pdf
Solicitation
PDF
508KB
33 days
contours_1_unit.dxf
Solicitation
Unknown
833.5MB
33 days
WMU 7J Base Liner System.dwg
Solicitation
Unknown
1.5MB
33 days
WMU 7J Base Liner System CQA Plan.pdf
Solicitation
PDF
252KB
33 days
WMU7J Phase 2 GP SP NOC.pdf
Solicitation
PDF
1.3MB
33 days
WMU 7J Phase 2 Bid Documents.pdf
Solicitation
PDF
606KB
33 days
1
Description
Bids shall be submitted by hard copy at the Yolo County General Services Department , 120 W. Main St. Ste. C, Woodland, CA 95695 no later than: FEBRUARY 26 2026 at 2PM .

Construction of the WMU 7J Base Liner System which includes earthwork; placement of low permeability soil, soil, gravel, sand, operations layer, HDPE geomembranes, geotextiles, geocomposites, geosynthetic clay; installation of HDPE piping and fittings; erosion control and hydroseeding.


The project is located at the Yolo County Central Landfill, 44090 County Road 28H, Woodland, CA 95776, bounded by County Road 104 on the west and County Road 28H on the south, approximately three (3) miles

northeast of the City of Davis.


There will be a pre-bid meeting at 1PM PST on FEBRUARY 10, 2026, at the Yolo County Central Landfill, located at 44090 County Road 28H, Woodland, CA 95776.


Update 2/12/2026 Pre-Bid Meeting Sign-In sheet uploaded and Q&A deadline extended to Thursday February 19, 2026.


ADDENDUM 1 dated 2/18/2026: Revised construction drawings, revised Bid Schedule, updated groundwater elevations at borrow site, changes to Specifications, As-Build drawings of existing liner, Q&A from Pre-Bid Meeting, Bid Due Date and Bid Q&A date.


In Person Conference Date

Date: February 10, 2026 at 1:00 PM PST

There will be a pre-bid meeting at the Yolo County Central Landfill, located at 44090 County Road 28H, Woodland. Directions can be found at:

https://www.yolocounty.gov/government/general-government-departments/community-services/integrated-waste-management-division/central-landfill

* Disclaimer: This website provides information about bids, requests for proposals (RFPs), or requests for qualifications (RFQs) for convenience only and does not serve as an official public notice. Individuals who wish to respond to or inquire about bids, RFPs, or RFQs should contact the relevant government department directly.

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