"Greenbook" : standard specifications for public works construction / written and promulgated by Public Works Standards, Inc.
The new 2021 Edition brings the specifications in the "Greenbook" completely up to date in accordance with best practices and the latest technologies. Arranged in major sections, the "Greenbook" covers General Provisions for public works construction as well as detailed specification. Use of the "Greenbook" lowers construction costs by encouraging participation in competitive bidding by more private contractors. The "Greenbook" is published every three years under the oversight of Public Works Standards, Inc. (PWSI). The members of PWSI include the American Public Works Association (APWA), Associated General Contractors of California (AGCC), Engineering Contractors Association (ECA), and Southern California Contractors Association (SCCA),
Part 1: General provisions -- Part 2: Construction materials -- Part 3: Construction methods -- Part 4. Existing improvements -- Part 5. Pipeline system rehabilitation -- Part 6. Temporary traffic control -- Part 7. Street lighting and traffic signal systems -- Part 8. Landscaping and irrigation.