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 V2.0 - effective February 11, 2021
Quarterly
Spec Book V2.1 - effective April 29, 2021
Spec Book V2.2 - effective July 15, 2021
Spec Book V2.3 - effective September 9, 2021
Spec Book V1.0 - effective January 23, 2020
Quarterly
Spec Book V1.1 - effective April 23, 2020
Spec Book V1.2 - effective July 16, 2020
Spec Book V1.3 - effective December 17, 2020
Future Updates
Spec Book V3.0 - April 2022
Redline
2020 Redline - (Information Only)
2021 Redline - (Information Only)
Specification Revisions
Final Specification Revisions - 2020 - (Information Only)April
July
September
Final Specification Revisions - 2021 - (Information Only)
February
April
July
September
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:
Calculation Examples
Please