45th Ave SW Culvert Replacement and Habitat Restoration

Project Description: This Project will replace the 45^th Ave SW culvert and consists of the following elements of Work: civil demolition to include an in-stream by-pass, tree protection, civil site work, civil stream work, civil grading, civil utilities (drainage and water), civil paving (roadway), landscaping, structural work (soldier pile shoring, culvert construction consisting of cast-in-place concrete footings, shotcrete walls, and precast concrete cover), and electrical.

Engineer's Estimate: $30,250,000

Project Location: This Project is located in southwest Seattle along where Fauntleroy Creek crosses 45^th Ave SW, between SW Director St on the north and SW Wildwood Pl on the south

Project Details

• Reference ID: PW#2025-017
• Department: Public Works
• Department Head: Mark Nakagawara (Deputy Division Director)

Evaluation Criteria

• Important Instructions for Electronic Submittals —

  The City of Seattle is accepting electronic bid submissions. Bidders shall create a FREE account with OpenGov Procurement by signing up at https://procurement.opengov.com/signup. Once you have completed account registration, browse back to this page, click on "Draft Response", and follow the instructions to submit the electronic bid.

• Summary —

  Project Description: This Project will replace the 45^th Ave SW culvert and consists of the following elements of Work: civil demolition to include an in-stream by-pass, tree protection, civil site work, civil stream work, civil grading, civil utilities (drainage and water), civil paving (roadway), landscaping, structural work (soldier pile shoring, culvert construction consisting of cast-in-place concrete footings, shotcrete walls, and precast concrete cover), and electrical.

  Engineer's Estimate: $30,250,000

  Project Location: This Project is located in southwest Seattle along where Fauntleroy Creek crosses 45^th Ave SW, between SW Director St on the north and SW Wildwood Pl on the south

• Scope of Work or Project Details —

  Please see the Attachments section for specifications and attachments.

• Timeline —

  Release Project Date:	June 24, 2026
  Pre-Bid Meeting #1 (Mandatory for Bidders to attend at least 1 of the 2 Pre-Bid Meetings):	July 7, 2026, 10:00am
  Pre-Bid Meeting #2 (Mandatory for Bidders to attend at least 1 of the 2 Pre-Bid Meetings):	July 9, 2026, 10:00am
  Question Submission Deadline:	July 23, 2026, 5:00pm
  Bid Open Date:	July 29, 2026, 2:00pm

• Project Contact —

  Ryan Brady

  Senior Civil Engineer

  700 Fifth Avenue, Suite 4900

  Seattle, WA 98124-4018

  Email: ryan.brady@seattle.gov

  Phone: (206) 684-3617

• Procurement Contact —

  Ian Hernandez

  Sr. Construction Contracting Specialist

  700 5th Ave, Ste 4350

  Seattle, WA 98104

  Email: ian.hernandez@seattle.gov

  Phone: (206) 684-0128

Submission Requirements

• Proposal Submittal (required) —

  Please upload your complete proposal response excluding pricing.

  • Bidder is responsible for integrity of the file to be uploaded
  • Verification of uploaded file integrity can be confirmed by clicking on the upload file.
• Bid Forms (required) —

  Please upload a PDF of the forms provided by the Owner that must be submitted with the Bid.

  Please upload a SINGLE PDF.

  • Bidder is responsible for integrity of the file to be uploaded
  • Verification of uploaded file integrity can be confirmed by clicking on the upload file.
• Bid Guarantee (required) —

  Please upload an electronic scan of your Bid Bond or Cashier's Check. 

  • Bidder is responsible for integrity of the file to be uploaded
  • Verification of uploaded file integrity can be confirmed by clicking on the upload file.
• Will this solicitation be awarded based on Evaluation Criteria/Committee? (required)