This manual provides department construction engineering personnel instruction for fulfilling the objectives, procedures, and methods for construction administration of Washington State transportation projects. The Construction Manual is intended as a reference book.
The Construction Manual can be downloaded in pdf format and printed without charge.
Foreword (PDF 168KB)
Contents (PDF 220KB)
Chapter 1 Administration (PDF 1.3MB)
Chapter 2 Earthwork (PDF 3.7MB)
Chapter 3 Production From Quarry and Pit Sites and Stockpiling (PDF 3.1MB)
Chapter 4 Bases (PDF 365KB)
Chapter 5 Surface Treatments and Pavements (PDF 553KB)
Chapter 6 Structures (PDF 4.4MB)
Chapter 7 Drainage Structures, Sewers, and Conduits (PDF 3.2MB)
Chapter 8 Miscellaneous Construction (PDF 2.7KB)
Chapter 9 Materials (PDF 1.7KB)
Chapter 10 Documentation (PDF 1.2KB)
Chapter 11 Forms (PDF 345KB)