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Implementation of the Protection of Migratory Bird Specifications
2011-2. February 3, 2011. This construction bulletin implements requirements of the Migratory Bird Treaty Act specifications and provides guidance on applying ...
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Superseded Construction Bulletins
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Implementation of the Water Quality Control Consent Order
2008-12. December 23, 2008. Revisions of Sections 101, 107, and 208 - Water Quality Control.
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Incremental Encumbrance and Contractor’s Payment Schedule Process
2015-2. March 20, 2015. Superseded by the Chief Financial Officer's Memo "Incremental Encumbrance Updated Guidance", dated March 14, 2019.
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Juneteenth State Holiday
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 ...
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Letter from CDOT's Chief Engineer to Prequalified Contractors
2002-5. May 31, 2002.
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Mechanically Stabilized Earth (MSE) Wall Checklists
2011-5. February 17, 2011. This construction bulletin introduces the Block Faced MSE Wall Submittal Checklist (CDOT Form 1401), the Panel Faced MSE Wall ...
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Mulching
2001-2. January 20, 2001. 213.
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Superseded Construction Bulletins
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NCHRP 350 REQUIREMENTS
2005-4. April 28, 2005. 630 - NCHRP 350 REQUIREMENTS
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New Colorado Discharge Permit System Stormwater Construction Permit (CDPS-SCP) Requirements
2024-2. March 16, 2024. The guidance provided in this Bulletin should be followed for all projects holding a Colorado Discharge Permit System—Stormwater ...
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On the Job Training Special Provision
2011-10. September 23, 2011. This bulletin gives guidance on the application of the On the Job Training (OJT) requirements of this special provision.
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Superseded Construction Bulletins