Wastewater System Capacity Improvements Project (Rebid - Second Advertisement)

The City of St. Helens, Oregon is soliciting sealed bids on construction and replacement of sanitary sewer infrastructure within Basins 4 and 6 under Project No. S-679, a rebid of the second advertisement, with bids due September 1, 2026 at 2:00 PM. A non-mandatory pre-bid conference is scheduled for August 10, 2026 at 9:00 AM, held both online and in-person at City Hall.

The project encompasses approximately 10,000 linear feet of sanitary sewer pipe ranging from 6 to 36 inches in diameter; rechanneling of 10 existing and installation of 44 new manholes; replacement of 267 to 447 feet of storm pipe; one railroad crossing by boring; backfill, asphalt paving, and landscape restoration. Optional installation methods include microtunneling, jack-and-bore, open-cut, and horizontal directional drilling. The project is funded by the Clean Water State Revolving Fund and subject to Oregon prevailing wage law (ORS 279C.800 et seq.) and federal Davis-Bacon Act requirements. Contractors must comply with American Iron and Steel requirements, mandating U.S.-produced iron and steel products unless a waiver is approved.

Bidders must hold an Oregon Construction Contractors Board license and demonstrate completion of at least three similar wastewater conveyance projects exceeding $10 million in contract value within the preceding 12 years. A 10 percent bid bond or certified check is required. Out-of-state bidders will have a percent increase added to their bid price equal to the preference percentage given to local bidders in their home state; resident bidder status requires proof of Oregon unemployment or income taxes paid in the preceding 12 months and an Oregon business address.

The successful bidder must furnish performance and payment bonds each equal to 100 percent of the contract amount, provide a $30,000 public works bond filed with the Bureau of Labor and Industries, and carry workers' compensation and required insurance including General Liability ($2 million per occurrence), Pollution Liability ($1 million), and railroad protective liability ($2 million per occurrence) with the railroad named as additional insured. Contract term is 830 calendar days or December 31, 2028, whichever comes first, commencing within five working days of Notice to Proceed. Liquidated damages are assessed at $3,000 per day for delays beyond the completion date. Contract documents are available for $270 per set plus a $150 processing and mailing charge if ordered by mail, or free download from the City website. A First-Tier Subcontractor Disclosure Form must be submitted within two working hours of the bid deadline if the contract exceeds $100,000.

Notice of intent to award is anticipated September 4, 2026. The project involves multiple federal and state environmental authorizations including Clean Water Act Section 401 water quality certification, Army Corps of Engineers National Wetlands Permit verification, Oregon Department of State Lands wetland impact approval, ODOT permit to occupy or perform operations on state highways, and U.S. Fish and Wildlife Service access permit for work on Ridgefield National Wildlife Refuge property. Contractors must comply with Archaeological Inadvertent Discovery Plan requirements and comply with all permit conditions. Contract documents are available from the City of St. Helens Public Works Engineering Division at Engineering@sthelensoregon.gov.