ITB - Rock Creek Primary Clarifier No. 4 Expansion Project No. 7012
Opens Closes Status
2/20/2023 4/18/2023 Open
                                                                            **BID DUE DATE CHANGED PER ADDENDUM NO. 1**

Sealed Bids for construction of the Rock Creek WRRF Primary Clarifier No. 4 Treatment Expansion Project No. 7012 (Project) will be accepted by Michelle Mann electronically via Bid Locker at until 2:00 p.m., local time, on March 23 2023 April 18, 2023. Any Bids received after the specified time will not be considered. Before Bidders can submit their Bids, they will need to register with Bid Locker at There is no cost to register.  First-Tier Subcontractor Disclosure Forms must be electronically submitted to Bid Locker at or before 4:00 p.m. local time on the same day (Deadline).  If Bidder fails to submit a disclosure form with the information required by the stated Deadline, the Bid will be deemed nonresponsive and will not be considered. Owner will not accept Bids by facsimile or email.

Bids will be publicly opened and read aloud by telephone conference at 2:00 p.m. local time on March 23, 2023 April 18, 2023. Bidders can attend the opening by calling the telephone conference number 503.681.4499.

Contractor shall complete the work as specified or indicated in Owner’s Contract Documents for the Project. The Project consists of work that is generally described as follows (collectively, Work): 

·       Demolition of existing reinforced concrete headworks, grit chambers, and rectangular clarifiers and associated process mechanical and electrical and instrumentation equipment; demolition of an existing recreational vehicle dump station and demolition of existing site vegetation, entryway parking lot, and miscellaneous demolition including process piping and electrical and instrumentation systems within the footprint of the new improvements. 

·       Construction of a new 140’ diameter primary clarifier.

·       Construction of a new primary clarifier pump gallery and extended reinforced concrete utilidor between existing primary clarifiers 2 and 3, connecting into the new primary clarifier pump gallery.

·       Construction of a new Septage Receiving Station near the Influent Pump Station.

·       Parking lot and entryway improvements. 

·       Grading, drainage, electrical, and associated yard piping to tie into the existing infrastructure.

The Work Site is located at Rock Creek Water Resource Recovery Facility, 3235 SE River Road, Hillsboro, Oregon 97123 (Site).

The Work is a public works project subject to ORS 279C.800 to 279C.870.

The estimated construction cost of the Work is $18,000,000.

The Bidding Documents are entitled “Rock Creek WRRF Primary Clarifier No. 4 Treatment Expansion Project No. 7012.”

Bidding Documents and Bid Results can be downloaded from the Owner’s Website at (Website) under the Project name by completing the section to request the document package on Owner’s Website.  Prospective Bidder’s information will be accumulated for a Bid Holders list, which is available on the Website and the Prospective Bidder’s email will be used to send automatic notifications when Owner posts a new document or changes information related to this solicitation.  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. If problems are experienced downloading the Bidding Documents, please contact Michelle Mann at 503.547.8035 and

Each Bid must be submitted on the prescribed Bid Form and accompanied by Bid security as prescribed in the Instructions to Bidders.  Bidders must deliver the original of the Bid security to Michelle Mann at Rock Creek Water Resource Recovery Facility, 3235 SE River Road, Hillsboro, Oregon 97123 within five business days after the Deadline or Owner may declare the Bid nonresponsive.

The Successful Bidder will be required to furnish the additional bond(s) and insurance prescribed in the Bidding Documents.

Prior to submission of its Bid, Bidder shall be registered with the Oregon Construction Contractors Board. 

It is anticipated that asbestos will be encountered during the Project. The requirements of ORS 468A.700 through 468A.760 shall apply.

Bidders must be qualified in accordance with the applicable parts of ORS 279C in order to submit a Bid for public work in Oregon.

For questions regarding administrative issues, contact Owner: Michelle Mann, 503.547.8035 and

For questions regarding technical issues, contact the Engineer: Jana Otero,

Prospective Bidders are encouraged to attend a prebid conference and Site visit that will begin at 1:30 pm  local time on March 1, 2023  and last approximately one hour.  Representatives of Owner and Engineer will be present to discuss the Project. 

Owner reserves its right to reject all Bids or any Bid not conforming to the intent and purpose of the Bidding Documents.

Addenda & Clarifications

Name Size Date
7112 Addend 1_Drawings File 4 of 4.pdf 17.5 MB 3/11/2023
7112 Addend 1_Drawings File 3 of 4.pdf 15.0 MB 3/11/2023
7112 Addend 1_Specifications File 2 of 4.pdf 544.6 KB 3/11/2023
7112 Addendum No. 1_File 1 of 4.pdf 976.3 KB 3/11/2023
7112 Addendum No. 2-VOL 1.pdf 522.4 KB 3/24/2023
7112 Addendum No. 2-VOL 2-Haz Mat Report.pdf 5.8 MB 3/24/2023
7112 Addendum No. 2 Scanned Drawing Set-VOL 3.pdf 16.3 MB 3/24/2023
7112 Addendum No. 2 Record Drawings - Retaining Wall Details-VOL 4.pdf 2.0 MB 3/24/2023