2025-7. July 25, 2025. The purpose of this Bulletin is to provide information and instruction regarding revisions to the Environmental Product Declaration (EPD) requirements per the Standard Special Provision (SSP) Revision of Section 106 – Environmental Product Declarations published on July 1, 2025.
Construction Bulletins
Updated on July 25, 2025
2025-2. February 13, 2025. The purpose of this Bulletin is to provide new guidance from a US Department of Labor (DOL) temporary injunction that applies to all CDOT construction projects, including maintenance and federally funded (FTA and FHWA) Local Agency projects. These stipulations will impact the certified payroll / Davis-Bacon and Related Acts (DBRA) requirements for offsite delivery trucking.
2025-1. January 10, 2025. All CDOT construction projects, including Maintenance and Local Agency projects, which impact utilities and will be advertised on or after 2/1/2025 are required to complete the Project Utility Account Matrix (UAM) in compliance with PD 90.1 Utility Account Management. Early adoption is highly encouraged prior to this date.
2024-3. September 23, 2024. The Construction Manual has been revised with content updates and modified to comply with the accessibility law Colorado House Bill 21-1110.
2024-2. March 16, 2024. The guidance provided in this Bulletin should be followed for all projects holding a Colorado Discharge Permit System—Stormwater Construction Permit (CDPS-SCP) also known as the COR400000. Projects currently under construction shall add the following Standard Special Provisions (SSPs) and revised M-Standards and Form 1176 into their projects with a Contract Modification Order (CMO). Reach out to your Construction Area Engineer for questions regarding this CMO.
2024-1. February 21, 2024. The purpose of this Bulletin is to provide information and instruction regarding revisions to Standard Specifications 101.02 and 106.11. Changes to the specifications were made to comply with the supplemental guidance issued by the Office of Management and Budget in Washington, D.C. as contained in Memorandum M-24-02 released October 25, 2023, and based on the Notification of Final Guidance/Final Rule as published in the Code of Federal Regulations on August 23, 2023.
2023-1. March 9, 2023. Class G concrete shall no longer be used on currently awarded CDOT projects and on future projects. This bulletin describes the procedures involved in replacing Class G Concrete.
2022-5. December 20, 2022. This construction bulletin officially cancels all previously approved variances to the CDOT Standards and Specifications related to Precast Concrete Elements. It declares that previous letters or statements granting exceptions or changes to current CDOT Standards, plans, and Specifications for Precast Concrete elements are null and void and shall not be utilized for products supplied to CDOT projects.
2022-3. August 5, 2022. On Tuesday, July 6, 2021, Gov. Jared Polis signed HB 21-1303 Global Warming Potential For Public Project Materials, requiring Contractors to submit Environmental Product Declarations (EPDs) for all eligible materials to include asphalt and asphalt mixtures, cement and concrete mixtures, and steel.
2022-2. June 28, 2022. Every cement supplier will be ceasing production of ASTM C150 Type I/II cements this year and replacing them with ASTM C595 Type IL cements. This is part of the cement industries push for carbon neutrality.
2022-1. May 17, 2022. Subsection 108.08 states (in part), The Contractor shall not carry on construction operations on Saturdays, Sundays, or holidays unless previously arranged and approved. Considering that the month of June is part of peak construction season, it is advised that Project Engineers treat June 20, 2022, as a working day.
