Specification Changes Under Consideration

Listed below are proposed changes to the 2025 Standard Specifications under consideration by the CDOT Specification Committee.
  Proposed Revisions to Existing Standard Special Provisions    
Log No. Description Due date for Comments Update
       
630-1-fy26 Annual traffic control reviews have shown lack of compliance with Standards and Specifications, revising section 630 to address issues found. 9.3.26  
105-1-fy27 Revision of Sections 105 and 518 Control of Work and Waterstops
• 105. In the entry for “518, Expansion Devices: 0-4"” of Table 105-1, The Contractor P.E. Seal is not required
• 518.09 Elastomeric Expansion Devices – Contractor shall submit Shop drawings, not Working drawings.		 9.3.26  
106-1-fy27 Revision incorporates final Manufactured Product requirements effective for projects with federal funding authorizations on/after October 1, 2026, as well as updates to the requirements as obtained by FHWA and addresses concerns from Regions/projects. 9.3.26  
620-1-fy27 The revised Section 620, Field Office, eliminates equipment and supplies that are no longer required by construction inspection staff, eliminates M&S Standards: M620-11 and M620-12, upgrades the requirements for existing equipment and supplies, adds new required equipment and supplies, improves health and safety requirements, and incorporates Section 620 project special specifications. 9.3.26  

 

Comments and proposals for revising or creating new special provisions from concerned parties will be considered. CDOT personnel should direct these to their Specification Committee Region or Staff Branch Representative. Current Committee members are listed below. A completed Specification Revision Submittal Form is required by the Specifications Unit, which can be obtained by clicking here. Contractors who are members of Colorado Contractors Association (CCA) should direct their comments to Eldon Strong at CCA. Others not formally represented may address their comments directly to the CDOT Standards and Specifications Unit at the address indicated below.

Chairman - Markos Atamo (Branch Manager, Construction Engineering Services)
Secretary - Michele Kayen (Specifications Engineer)

Region Representatives:

  • Region 1 - Jack Thorpe
  • Region 1 - Jeremy King
  • Region 2 - Laurel Jones
  • Region 3 - Kaitlyn Clark
  • Region 4 - Chris Boespflug
  • Region 5 - Bridget McDougall

Staff Representatives:

  • Project Development - Ryan Sullivan-Hope
  • Specifications - Bill Cornelius and Michele Kayen
  • Area Engineers - Colleen King and Stacy DeWitt
  • Bridge Branch - Greg Marcuson
  • Contracts & Market Analysis - Markos Atamo
  • Materials Branch - Vince Battista and Craig Wieden
  • Traffic Engineering - Esayas Butta
  • Maintenance - Tommy Humphrey
  • FHWA - Armando Henriquez
  • Attorney General Office - Justin Curry

Others Receiving Drafts for Comment:

  • Colorado Contractors Association (CCA) - Jim Moody


Technical Committees:

  • Alternate Delivery Program - Casey Valentinelli
  • Bridge - Greg Marcuson
  • State Hydraulics Advisory Committee (SHAC) - Michael Tanner
  • Local Agency Round Table (LART) - Ryan Sorenson
  • Project Delivery Advisory Committee (PDAC) - Coleen King and Stacey DeWitt
  • Roadway Design Advisory Committee - Jerome Estes
  • Survey Advisory Committee – Wes Loetz
  • Water Quality Advisory Committee (WQAC) - Rachel Hansgen
  • Joint Co-Op - CDOT/CCA

CDOT STANDARDS AND SPECIFICATIONS UNIT:

  • CDOT Standards and Specifications Unit Manager
    2829 W. Howard Pl., 3rd fl.
    Denver, CO  80204
    Telephone: 303-757-9474