2020 Standard Specifications
The 2020 Standard Specifications are only available in the following electronic format. Hard copies are not available.
Spec Book V4.0 - effective June 29, 2023 (posted 6/06/23)
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
Redlined documents of the Standard Specifications is for informational purposes only.
2023 Redline
2022 Redline
2021 Redline
2020 Redline
Specification Revisions
Future Specification Updates - Effective 2023
June 29
December 7
Final Specification Revisions
2023
2022
2021
September V2.3
July V2.2
April V2.1
February V2.0
2020
December V1.3
July V1.2
April V1.1
Comment period on draft specs closes on the last day of the month.
Proposed Specification Revisions
Specification Revision Process
Please send comments and proposed specification changes to:
Please email