Contract summary
This project proposes to construct a new approximately 2-mile SR 509 Spur alignment between SR 509 and I-5 supported on embankment, including interchanges at I-5, 54th Avenue East, and SR 509.
- Award status: awarded 12/07/2021
- Award amount: $375,988,856.00
- Awarded to: Guy F. Atkinson Construction, LLC
707 S. Grady Way, Ste 500
Renton, WA 98057-3224
Submitted statements of qualifications and proposals
- Submitted statements of qualifications and proposals (FTP Directory) - posted 7/19/2022
Price proposal opening results
- Apparent best value determination (PDF 68KB) - posted 11/17/2021
- Bid tabulation (PDF 22KB) - posted 12/07/2021
Procurement update
- Procurement Update (PDF 173KB) - updated 11/2/2021
- Procurement Update (PDF 157KB) - updated- 2/5/2021
Conformed request for proposal (RFP)
- Instructions to proposers (PDF 652KB) - posted 12/15/2021
- Chapter 1 - (PDF 1.2MB) - posted 12/15/2021
- Chapter 2 - (PDF 7.2MB) - updated 10/11/2022
- Contract form - (PDF 289KB) - posted 12/15/2021
- Appendices (FTP Directory) - posted 12/15/2021
RFP question & answer
- Q&A 1 (PDF 101KB) - posted 5/13/2021
- Q&A 2 (PDF 98KB) - updated 5/24/2021
- Q&A 3 (PDF 103KB) -posted 5/26/2021
- Q&A 4 (PDF 111KB) - posted 6/2/2021
- Q&A 5 (PDF 111KB) - posted 6/8/2021
- Q&A 6 (PDF 136KB) - posted 6/30/2021
- Q&A 7 PDF 158KB) - posted 7/8/2021
- Q&A 8 (PDF 163KB) - posted 7/15/2021
- Q&A 9 (PDF 162KB) - posted 7/22/2021
- Q&A 10 (PDF 169KB) - posted 7/28/2021
- Q&A 11 (PDF 171KB) - posted 8/4/2021
- Q&A 12 (PDF 172KB) - posted 8/10/2021
- Q&A 13 (PDF 173 KB) - posted 8/13/2021
RFP addendum
- Addendum 1 (PDF 119KB) - posted 4/27/2021
- Addendum 2 (PDF 241KB) - posted 5/13/2021
- Addendum 3 (PDF 126KB) - posted 5/19/2021
- Addendum 4 (FTP Directory) - posted 5/25/2021
- Addendum 5 (FTP Directory) - posted 6/2/2021
- Addendum 6 (FTP Directory) - posted 6/8/2021
- Addendum 7 (FTP Directory) - posted 6/16/2021
- Addendum 8 (FTP Directory) - posted 6/23/2021
- Addendum 9 (FTP Directory) - posted 6/30/2021
- Addendum 10 (FTP Directory) - posted 7/8/2021
- Addendum 11 (FTP Directory) - posted 7/15/2021
- Addendum 12 (FTP Directory) - posted 7/22/2021
- Addendum 13 (FTP Directory) - posted 7/28/2021
- Addendum 14 (FTP Directory) - posted 8/4/2021
- Addendum 15 (FTP Directory) - posted 8/10/2021
- Addendum 16 (FTP Directory) - posted 8/13/2021
- Addendum 17 (FTP Directory) - posted 8/23/2021
- Addendum 18 (FTP Directory) - posted 8/27/2021
- Addendum 19 (FTP Directory) - posted 9/2/2021
- Addendum 20 (FTP Directory) - posted 9/10/2021
Request for proposal
- Instructions to Proposers (PDF 460KB) - posted 4/20/2021
- Chapter 1 (PDF 1.3MB) - posted 4/20/2021
- Chapter 2 (PDF 6.8MB) - posted 4/20/2021
- Contract Form (PDF 203KB) - posted 4/20/2021
- Appendices (FTP Directory) - posted 4/20/2021
Voluntary proposers meeting
- Voluntary Proposers Meeting Annoucement (PDF 137KB) - posted 4/20/2021
- Sign-in Sheet (PDF 84KB) - posted 4/29/2021
- Presentation (PDF 3.4MB) - posted 4/29/2021
Short list letter
- Short List Letter (PDF 179KB) - posted 2/23/2021
Submitters list
- Submitters List with Single Point of Contact (PDF 111KB) - posted 1/13/2021
Voluntary submitters meeting and DBE information session
- Presentation (PDF 2.8MB) - posted 11/6/2020
- Sign In Sheet (XLSX 24KB) - posted 11/6/2020
RFQ addenda
- Addendum 1 (PDF 141KB) - posted 11/24/2020
- Addendum 2 (PDF 131KB) - posted 12/15/2020
- Addendum 3 (PDF 138KB) - posted 1/6/2021
- Addendum 4 (PDF 134KB) - posted 1/11/2021
RFQ
- Request for Qualifications (PDF 544KB) - posted 10/29/20
- Fillable Forms (FTP Directory) - posted 10/29/20
- Advertisement Notice (PDF 311KB) - posted 10/24/20
- DBE Flyer (PDF 274KB) - posted 10/24/20
Project information available
- Fact Sheet (PDF 2.3MB) - posted 6/4/20
- Fact Sheet (PDF 1.2MB) - updated - 8/20/20
- Project Overview Map (PDF 2.7MB) - posted 8/25/20
- Pre-Ad Documents (FTP Directory) - posted 12/23/20
The files contained in in ‘Pre-Ad Documents’ folder and all subsequent subfolders are provided for informational purposes to assist the Proposers in preparing their proposals. WSDOT makes no representation or warranty as to the accuracy, adequacy, applicability, or completeness of the files. WSDOT shall have no liability or obligation as a result of the inaccuracy, inadequacy, inapplicability, or incompleteness of the files, regardless of the contents thereof.