State of Colorado

Department of Transportation Specifications

December, 2011


Colorado DOT has developed its own geotextile standard specifications. Below are our geotextile products meeting Colorado DOT geotextile specifications, listed by their application.

Click on the red product name for a data sheet.

712-7 Weed Barrier GEO-3.1-80NW -- -- --
712-8 Separator Class A GEO-3.1-80NW GEO-315W -- --
712-8 Separator Class B GEO-4.5-120NW GEO-200W -- --
712-6 Paving Geotextiles GEO-4.5-100P -- -- --
712-3 Drainage Geotextiles Class A GEO-7.0-180NW -- -- --
712-3 Drainage Geotextiles Class B GEO-3.1-80NW -- -- --
712-2 Erosion Control Geotextiles Class A GEO-7.0-205NW GEO-200W -- --
712-2 Erosion Control Geotextiles Class B GEO-3.8-90NW GEO-5.6-1540W -- --

More resources may be found on the web:

State QPL information:

  The above information is to be used only as a guide.
  Products on the above list can change without notice.
  AOS must be greater than that of soil k fabric > k soil for all classes of Separator, Drainage & Erosion Control.
  US 200 is currently under evaluation for approval.

Areas Served:
GeoCHEM, Inc. is proud to serve the geotextile needs of the State of Colorado including: Denver, Colorado Springs, Aurora, Fort Collins, Lakewood, Thornton, Pueblo, Arvada, Westminster, Centennial, Boulder, Highlands Ranch, Greeley, Longmont, Loveland, Grand Junction, Broomfield, Castle Rock, Commerce City, Parker, Littleton, Northglenn, Brighton, Security-Widefield, Ken Caryl, Dakota Ridge, Englewood, Wheat Ridge, Pueblo West, Fountain, Lafayette, Columbine, Clifton, Montrose, Golden, Windsor, Evans, Louisville, Sherrelwood, Erie, Durango, Canon City, Cimarron Hills and all other areas of Colorado.