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  2. Business Center
  3. Design & Construction Project Support
  4. Materials and Geotechnical
  5. Manuals
  6. 2023 Field Material Manual - To be used on projects advertised after November 10, 2022 to June 30, 2023
  7. 2023 Field Materials Manual as revised to be used on projects advertised between July 1, 2022 and November 10, 2022
  8. Colorado Procedures (CP)
  9. CP-20s - Soils
CP-20s - Soils https://www.codot.gov/business/designsupport/materials-and-geotechnical/manuals/2023-field-materials-manual/2023-fmm-pre-nov-10-2022/cps/cp-20s https://www.codot.gov/@@site-logo/siteLogo.png

CP-20s - Soils

CP-20 - Dry Preparation of Disturbed Soil Samples for Test
CP-21 - Mechanical Sieve Analysis of Soils
CP-23 - Determining Maximum Dry Density and Optimum Moisture Content of Soil-Rock Mixtures
CP-24 Soil Surveys of Constructed Roadbeds
CP-25 - Calculation of Percent Relative Compaction of Soils and Soil-Rock Mixtures
CP-26 - Contractor Approval Process for Subgrade Stabilization

Tags:
  • Geotechnical
Contact Us

Craig Wieden
Materials & Geotechnical Branch Manager 
303-398-6501
[email protected]

Eric Prieve
Concrete & Physical Properties Program Manager 
303-398-6542
[email protected]

Melody Perkins
Pavement Design  & Documentation Program Manager 
303-398-6561
[email protected]

Bob Group
Geohazards Program Manager Program Manager 
303-398-6589
[email protected]

David Thomas
Soils & Geotechnical Program Manager
303-398-6604
[email protected]

Vincent Battista
Asphalt Program Services Manager
303-398-6576
[email protected]

Norma Gonzalez
M&G Branch Program Assistant
303-398-6502
[email protected]

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