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MATERIALS AND CONSTRUCTION RELATED BULLETINS
The CDOT Headquarters Project Development Branch provides direction and guidance on the state wide pavement construction program. In this role, Construction Bulletins are issued to project offices that clarify policy and/or provide technical guidance. Here is a listing of recent Construction Bulletins. For more information, contact Tim Aschenbrener, Project Development Branch Manager at (303) 757-9799 or tim.aschenbrener@dot.state.co.us
Pre-Paving Meeting Agenda Guideline, June 2006
Cement Shortage, September, 2005
Retainage and Partial Payment of Subcontracted Items, May 2005
Work Zone Safety Requirements - NCHRP 350 Crash Test, April 2005
Soft Subgrade problems encountered during Paving - Feb 2005
Flagger Appearal Construction Bulletin Up Date, June 2004
Bituminous Pavers (Segregation) March 2004
Change Orders - Minor Contract Revisions, October, 2003
Emergency Project Procedures, September 2003
Longitudinal Joint Update, December 2002
Changes to HMA Specifications , November 2002
(Gyratory Compaction Angle & Air Voids), November, 2002
Timeliness of Test Results November, 2002
Roadway Smoothness Fog Seal Coat on Asphalt Pavements
After Diamond Grinding, June 6, 2002
Asphalt Pavement Workability June 2002
Compaction Angle for Gyratory Compactors, Issued May 31, 2002
Transporting Samples for Voids Acceptance, February, 2001
Use this link to view CDOT Construction Bulletins
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