Design-Build Manual

Publication Number
M 3126
Publication Version
M 3126.08
Publication Date
Manual Manager
Jolena Missildine, 360-705-7548

The purpose of this manual is to provide detailed guidance to WSDOT staff on policies, processes, and procedures specific to design-build and to support consistent and cost effective design-build project delivery. This manual has been prepared for Engineering Managers, Design Engineers, Construction Engineers, Evaluators, Project Engineers, and other Project Team members who are responsible for appropriately selecting, developing, and administering projects using design-build.

Individual Chapters

Foreword (PDF 54KB) January 2020
Contents (PDF 178KB) February 2022
Chapter 1 Introduction and State of the Practice (PDF 207KB) January 2020
Chapter 2 Pre-Procurement Activities (PDF 568KB) May 2021
Chapter 3 Risk Management (PDF 513KB) January 2020
Chapter 4 Structure and Content of the RFP (PDF 805KB) March 2021
Chapter 5 General Procurement Activities (PDF 717KB) August 2021
Chapter 6 Evaluation of Statements of Qualifications and Proposals (PDF 972KB) February 2022
Chapter 7 Contract Administration and Implementation (PDF 396KB) January 2020
Chapter 8 Project Acceptance and Closeout (PDF 269KB) January 2020
Chapter 9 Vacant (PDF 42KB) May 2021
Chapter 10 FHWA and Civil Rights (PDF 229KB) May 2021

8,683 animals crossed the Snoqualmie Pass East Project area

as recorded by WSDOT and partners in 2020 and 2021.

46% increase in Amtrak Cascades ridership to 251,000 passengers

in 2021 compared to 172,000 in 2020.

Nine wetland and stream mitigation sites across 32.7 acres added

to our monitoring program in 2021 to help offset climate change impacts.