2020 Standard and Supplemental Specifications
The 2020 Standard and Supplemental Specifications are only available in the following electronic format. Hard copies are not available.
Spec Book V3.1 - effective September 22, 2022
Spec Book V3.0 - effective April 28, 2022
Spec Book V2.3 - effective September 9, 2021
Spec Book V2.2 - effective July 15, 2021
Spec Book V2.1 - effective April 29, 2021
Spec Book V2.0 - effective February 11, 2021
Spec Book V1.3 - effective December 17, 2020
Spec Book V1.2 - effective July 16, 2020
Spec Book V1.1 - effective April 23, 2020
Spec Book V1.0 - effective January 23, 2020
2021 Redline - (Information Only)
2020 Redline - (Information Only)
Specification Revisions
Future Specification Updates - Effective 2023
June 29
December 7
Final Specification Revisions - 2022 - (Information Only)
September V3.1
April V3.0
Final Specification Revisions - 2021 - (Information Only)
September V2.3
July V2.2
April V2.1
February V2.0
Final Specification Revisions - 2020 - (Information Only)
December V1.3
July V1.2
April V1.1
Comment period on draft specs closes on the last day of the month.
Draft Revisions
Specification Revision Process
Please send comments and proposed specification changes to:
Please email