Consultant Services Manual

This manual provides guidance concerning the authorization, selection, and use of consultants for Personal Services and Architectural and Engineering (A&E) contracts and/or supplements.

Individual Chapters

Publication Date: 
Thursday, September 1, 2016
Publication Number: 
M 27-50
Last modified: 
09/06/2019 - 11:30
Publication Version: 
M 27-50.05
Manual Manager: 
Larry Schofield
Environmental and Engineering Programs, Engineering and Regional Operations Division
Number of Pages: 
WSDOT consultant contract policies and procedures, including the legal basis for each.

Consultant Services Manual Individual Parts

Foreword (pdf 188 KB)

Contents (pdf 241 KB)

Part 1 Professional Services Contracting (pdf 393 KB)

Part 2 Personal Services (pdf 362 KB)

Part 3 Real Estate Services (pdf 42 KB)

Part 4 Architectural and Engineering Services (pdf 446 KB)

Part 5 Administration of Consultant Contracts (pdf 236 KB)

Part 6 Emergency Services (pdf 204 KB)

Part 7 Participation of Minority-Owned, Women-Owned, and Disadvantaged Businesses (pdf 141 KB)

Part 8 Responsibility for “Y” Agreements (pdf 34 KB)

Part 9 Appendices (pdf 1,625 KB)