Project #: 6856 (ITB)
Category: Invitation to Bid
Department: Natural Systems Enhancement and Stewardship
Issued by: Clean Water Services
Publish Date: Jun 30, 2021 2:00PM
Bids Due Date: Jul 14, 2021 2:00PM (Pacific Standard Time) add to calendar
Status: closed
Posted: Jun 16, 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) Construction Staking LS 1.00 Required
(S-17) Sediment Barrier LF 2000.00 Required
(S-17) Miscellaneous Erosion Control LS 1.00 Required
(S-17) Hydro Seeding AC 5.00 Required
(S-18) Turbidity Monitoring LS 1.00 Required
(S-19) Stream Diversion LS 1.00 Required
(S-20) Demolition LS 1.00 Required
(S-22) Excavation CY 35000.00 Required
(S-22) Salvaged Structural Fill CY 8000.00 Required
(S-22) Salvaged General Fill CY 27000.00 Required
(S-24) Bioengineered Bank Stabilization LF 340.00 Required
(S-24) Footer Log EA 40.00 Required
(S-24) Toe Log with Rootwad EA 33.00 Required
(S-24) Toe Log without Rootwad EA 7.00 Required
(S-24) Habitat Log with Rootwad EA 15.00 Required
(S-24) Habitat Log without Rootwad EA 15.00 Required
(S-24) Pin Log EA 80.00 Required
(S-25) Salvaged Native Gravel CY 800.00 Required
(S-25) Aggregate Base TON 740.00 Required
(S-26) Structure Excavation and Backfill LS 1.00 Required
(S-26) Riprap Mix, Class 50 TON 650.00 Required
(S-27) Furnish and Install Auger Cast Piles LS 1.00 Required
(S-28) Steel Reinforcement for Concrete, Grade 60 LB 3200.00 Required
(S-29) Foundation Concrete, Class 3300 CY 22.00 Required
(S-30) 18 Inch Precast Prestressed Slabs LF 385.00 Required
(S-32) Thrie-Beam Rail LS 1.00 Required
(S-32) Modified Thrie-Beam Rail LS 1.00 Required
(S-32) Pedestrian Rails LS 1.00 Required
(S-33) Guardrail Terminal, Non-Flared EA 4.00 Required
(S-33) Guardrail Transition EA 4.00 Required
(S-34) Removable Bollards EA 2.00 Required
(S-35) Permanent Type III Barricades EA 1.00 Required
(S-43) Predetermined Contingency ($50,000) LS 1.00 Required

Download Line Items as .CSV

Pre-Bid Conference

The pre-bid conference and walk-through will be held at Tualatin River National Wildlife Refuge, 18782 SW Roy Rogers Rd, Sherwood, OR 97140 on July 7, 2021 at 11:00 a.m.  All bidders must attend this meeting.

Pre-Bid Conference Date Jul 7, 2021 11:00AM (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 Abbey Rhode, 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