The Standard Specifications are only available in .pdf electronic format. Hard copies are not available from the Department.
2025 Standard Specifications
2025 Spec Book - June - effective June 26, 2025
2025 Spec Book - Jan
2020 Standard Specifications
Spec Book V5.1
Spec Book V5.0
V4.0 June 29, 2023
V3.1 September 22, 2022
V3.0 April 28, 2022
V2.3 September 9, 2021
V2.2 July 15, 2021
V2.1 April 29, 2021
V2.0 February 11, 2021
V1.3 December 17, 2020
V1.2 July 16, 2020
V1.1 April 23, 2020
V1.0 January 23, 2020
Redlined changes of the Standard Specifications are for informational purposes only. The redlined document contains all changes from January 2020 to current revisions.
Standard Specifications – Redline
Specification Revisions
Current Proposed Specification Revisions
Comment period on draft specs closes on the last day of the month.
Future Specification Updates - Effective 2025
January 9
June 26
Final Specification Revisions
2025
2024
2023
Specification Revision Process
Please send comments and proposed specification changes to: MDT Specifications.
Please email John MacMillan for prior versions of MDT Specifications.