2021 Construction Specifications

The 2021 Standard Specification book is mandatory for use on projects advertised on or after October 1, 2021 until September 30, 2022.
Asphalt Cement Cost Adjustment for Hardisty WCS

PLEASE NOTE: As of July 31, 2015, Flint Hills Resources stopped posting their daily prices for Hardisty WCS. Now they post only an once per month differential (less than) price in US$/BBL compared to West Texas Intermediate Crude Oil (WTI) daily prices. There are 6.65 BBLs of crude oil (average gravity) in a short ton (source: USGS). The monthly average oil prices are in American dollars per short ton (2000 lbs).

Project Safety Management Plan (Example)

This is only an example of a project safety management plan. Activities in the actual project safety management plan will likely be different from the ones provided in this example. The real project safety management plan shall address specific construction activities for that project. Please see "Section 107.06 - Safety, Health, and Sanitation Provisions" in the 2021 Specifications book for more information.

Stormwater Management Plan - SWMP

Link to the CDOT Landscape Architecture Section support for CDOT transportation projects requiring Stormwater Management Plans (SWMPs).