Project #: 7097 (ITB)
Category: Invitation to Bid
Department: Natural Systems Enhancement and Stewardship
Issued by: Clean Water Services
Publish Date: Jul 7, 2021 2:00PM
Bids Due Date: Jul 22, 2021 2:00PM (Pacific Standard Time) add to calendar
Status: closed
Posted: Jun 14, 2021


Bidding Documents and Bid Results should be downloaded from the Owner's Website at (Website) under the Project name.  Prospective Bidders are responsible for obtaining any Addenda from either Owner's Website under the Project name or by using the links provided in automatic emails that come from the Owner. 


Line Items

This solicitation has the following line items for which you can submit a bid. Please review the bidding instructions in the bid documents for information on these line items:

Item No Item Unit of Measure Quantity Required?
(S-15) Mobilization [5%] LS 1.00 Required
(S-16) Temporary Traffic Control LS 1.00 Required
(S-18) Construction Survey Work LS 1.00 Required
(S-19) Sediment Barrier LF 200.00 Required
(S-19) Construction Fence LF 200.00 Required
(S-19) Spill Prevention, Control, and Countermeasures LS 1.00 Required
(S-19) Permanent Seeding SY 30.00 Required
(S-19) Erosion Control Matting SY 30.00 Required
(S-19) Miscellaneous Erosion Control LS 1.00 Required
(S-20) Turbidity Monitoring LS 1.00 Required
(S-21) Aquatic Salvage LS 1.00 Required
(S-21) Stream Diversion LS 1.00 Required
(S-23) Demolition LS 1.00 Required
(S-24) General Excavation LS 1.00 Required
(S-26) Structure Excavation and Backfill LS 1.00 Required
(S-27) Concrete Walk and Curb LS 1.00 Required
(S-28) Transverse Rumble Strips LS 1.00 Required
(S-28) Permanent Signage LS 1.00 Required
(S-28) Type CL-4 Chain Link Fence LF 135.00 Required
(S-29) Reinforcement, Grade 60 LS 1.00 Required
(S-29) General Structural Concrete, Class 3300 LS 1.00 Required
(S-35) Predetermined Contingency [$20,000] LS 1.00 Required

Download Line Items as .CSV

Pre-Bid Conference

The pre-bid conference will be held as a virtual meeting on July 9, 2021 at 3:30 p.m. Bidders may join the meeting by using this Microsoft Teams meeting link: Pre-Bid Meeting

All bidders must attend this meeting.  Representations and statements made by District representatives at the pre-bid conference are not binding on District unless confirmed in writing.  District reserves the right to reject the bid of any bidder who fails to attend the meeting.

Pre-Bid Conference Date Jul 9, 2021 3:30PM (Pacific Standard Time) add to calendar

Vendor Questions and Answers

The Question and Answer Period is currently closed.

When the question and answer period is open, vendors may submit their questions on this solicitation to be answered by Clean Water Services.

For Questions or Additional Information, Contact:

Rachael Caravone, Operations Coordinator 503.681.4468

For Technical and Specification questions, contact Matthew Brennan, P.E. as specified in the bid package.

For all bid documents, the plan holders list, and results, visit

About Clean Water Services

About Us

We are a water resources management utility that combines science and nature to clean water and return it to the Tualatin River, so it can be used again.

We work in partnership with others to safeguard the river’s health and vitality, ensure the economic success of our region, and protect public health for over 600,000 residents and businesses in urban Washington County.

Our History

In the 50 years since Clean Water Services was formed, the community's investment has paid off for the Tualatin River, our community and our ratepayers. The river is healthier today than it has been in generations, valued for its natural beauty, recreational opportunities and wildlife habitat.

Our Solicitations

To access our solicitation documents and learn about our upcoming solicitations, please visit our Open Solicitations page at