Williamson Creek Wastewater Interceptor
| Location: | Texas |
|---|---|
| Posted: | Sep 10, 2025 |
| Due: | Oct 14, 2025 |
| Agency: | City of Austin |
| Type of Government: | State & Local |
| Category: |
|
| Solicitation No: | CSP 6100 CLMB342 |
| Publication URL: | To access bid details, please log in. |
Solicitation Details
| Type: |
Competitive Sealed Proposal (CSP) |
| Status: | Open |
| Solicitation Number: | CSP 6100 CLMB342 |
| Description: | Williamson Creek Wastewater Interceptor |
| Summary: | This project will construct approximately 18,000 linear feet of new 72-inch diameter gravity interceptor tunneled along Williamson Creek. Flow will be diverted from the existing interceptor into the new interceptor to abandon as much of the existing interceptor as possible. The project also includes up to 22 cutover lines that will replace the existing interceptor connections and divert the localized flows to the new interceptor. |
| Estimated Amount for Solicitation: |
$121,879,157.00 |
Subcontracting Goals
| African American | 1.72% |
| Hispanic American | 4.34% |
| Native/Asian American | 0.41% |
| WBE | 1.38% |
Contact Information
| Authorized Contact Names: | |
| Project Related Questions: |
Craig McColloch (512) 9742968 craig.mccolloch@austintexas.gov |
|
Solicitation Specific
Questions: |
Jorge Munoz (512) 9745627 jorge.munoz@austintexas.gov |
|
Small Minority Business
Resources Questions: |
Lisa Barney (512) 9748046 smbrcompliancedocuments@austintexas.gov |
Dates & Times
| Important Solicitation Dates: | |
|
Solicitation Published: |
06/30/2025 12:24 PM |
|
Response Due: |
Prior to 10/14/2025, 02:00 PM Due date is extended to 10/14/2025 |
|
Compliance Plan Due: |
Prior to 10/14/2025 02:00 PM Required Due date is extended to 10/14/2025 |
|
Response Opening: |
10/14/2025, 03:00 PM Open date is extended to 10/14/2025 |
| Vendor Meetings/Conference, Site Visits (Date/Time): | |
|
Meeting: |
07/09/2025, 10:00 AM Move date per PM request |
Special Notes
| Special Notes: |
Compliance Plan Required. |
Packet Download Files
BIDDERS / PROPOSERS:
Listed below are the various documents that have been issued as part of this Solicitation. Each document contains specific information about the solicitation. We recommend that you view and/or download each document before preparing your response to the solicitation, and that you use the bid subscription link to record your interest in this solicitation.
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Download All Files
| File Description | Type | Date | |
| Addendum 8 | 09/10/2025 | Download | |
| Addendum 7 | 09/02/2025 | Download | |
| Addendum 6 | 08/14/2025 | Download | |
| Addendum 5 | 07/25/2025 | Download | |
| Addendum 4 | 07/24/2025 | Download | |
| Addendum 3 | 07/17/2025 | Download | |
| Addendum 2 | 07/11/2025 | Download | |
| Addendum 1 | 07/09/2025 | Download | |
| Clarification 4 | 09/02/2025 | Download | |
| Clarification 3 | 08/14/2025 | Download | |
| Clarification 2 | 07/25/2025 | Download | |
| Clarification 1 | 07/18/2025 | Download | |
| Pre-response Attendance List | 07/09/2025 | Download | |
| Solicitation Documents Volume 1 | 06/30/2025 | Download | |
| Solicitation Documents Volume 2 | 06/30/2025 | Download | |
| Solicitation Documents Volume 3 | 06/30/2025 | Download | |
| Solicitation Documents Volume 4 | 06/30/2025 | Download | |
| Pre-response Attendance List 2 | 07/09/2025 | Download | |
| Core Viewing Visit Attendance Log | 08/29/2025 | Download | |
| Plans 1 of 3 | 06/30/2025 | Download | |
| Plans 2 of 3 | 06/30/2025 | Download | |
| Plans 3 of 3 | 06/30/2025 | Download |
Associated Commodities
| Description | Code |
| Construction, Tunnel | 91355 |
Trade Summary
| Description | Category | Code |
| Concrete, Polymer | Goods | 1501535 |
| Curing Mixtures, All Types (For Curing Concrete) | Goods | 15016 |
| Coatings, Protective (For Masonry Including Concre | Goods | 31530 |
| Fencing, Temporary (For Construction And Other Ind | Goods | 33055 |
| Asbestos Abatement Equipment And Supplies | Goods | 34505 |
| Fuel Oil, Diesel | Goods | 40509 |
| Barricades, Traffic, Portable | Goods | 5507818 |
| Steel, Reinforcing, Bars And Rods | Goods | 57076 |
| Asphalt, Ac (Asphalt/Cement) | Goods | 74502 |
| Asphalt, Oil | Goods | 74512 |
| Flexible Base | Goods | 75052 |
| Ready-Mix Concrete | Goods | 75070 |
| Stabilized Base | Goods | 75091 |
| Grass Seed | Goods | 79020 |
| Sod, Grass | Goods | 79050 |
| Signs, Construction Project Identification Signs ( | Goods | 80198 |
| Manholes, And Manhole Covers, Frames, Grates, Ring | Goods | 89030 |
| Boxes, Valve, Cast Iron, Including Parts And Accessories | Goods | 8904032 |
| Site Work | Construction | 90976 |
| Geotechnical Drilling And Boring Services | Construction | 9121641 |
| Excavation Services | Construction | 91244 |
| Excavation, Rock. Consists Of Boulders 1/2 Cubic Y | Construction | 9124467 |
| Back Fill, Trench.(Furnish, Transport Fine Aggregate) | Construction | 9133919 |
| Construction, Sewer And Storm Drain | Construction | 91345 |
| Base Course, Bituminous. | Construction | 9135022 |
| Bituminous Surface Removal. | Construction | 9135023 |
| Pavement Marking Lines, Letters And Symbols. | Construction | 9135051 |
| Construction, Tunnel | Construction | 91355 |
| Construction, Water System, Main And Service Line | Construction | 91360 |
| Manholes, Adjustment Of. This Work Shall Include E | Construction | 9136047 |
| Manholes, Construction Of. This Work Shall Consist | Construction | 9136048 |
| Cleaning Services, Sewer Line | Construction | 9138131 |
| Maintenance And Repair, Street (Major And Resident | Construction | 91384 |
| Maintenance And Repair, Tunnel | Construction | 91388 |
| Paving/Resurfacing, Street (Major And Residential) | Construction | 91396 |
| Concrete | Construction | 91430 |
| Photography, Construction | Non-professional | 9157297 |
| Boring For Road Crossing | Non-professional | 9621618 |
| Hauling Services | Non-professional | 96239 |
| Pavement Marking Services (Including Removal Of Ma | Non-professional | 96861 |
| Survey (Not Aerial Or Research | Non-professional | 96877 |
| Traffic Control Device Placement And Removal Service | Non-professional | 96884 |
| Building, Fabricated, Rental Or Lease | Non-professional | 97108 |
| Erosion Control Services | Non-professional | 98814 |
| Hydromulching Services | Non-professional | 98838 |
| Landscaping (Including Design, Fertilizing, Planting | Non-professional | 98852 |
| Landscaping, Tree And Plant Protection During Cons | Non-professional | 9885299 |
| Park Area Construction/Renovation | Non-professional | 98863 |
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