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State of Iowa

Iowa Department of Transportation

Geotextiles & DOT Specifications

JAN 2019

Iowa DOT

Iowa DOT does not follow AASHTO M 288 for their geotextile specification. Below are US Fabric's geotextile products that meet the Iowa DOT geotextile specification (per the GS-15005 Revisions), listed by their application. US Fabrics products are not listed on the Iowa DOT QPL and the table below is offered as a guideline only.

Regarding approved products: Requires "NTPEP (National Transportation Product Evaluation Program) test results for all classes of Engineering Fabrics. Products which have been tested by NTPEP and meet the requirements of Iowa DOT Specification for the class of product may be approved after receiving NTPEP test results."

Click on the green product name for a data sheet.

US Fabrics Products Meeting Iowa's DOT Specifications
Specification Application Non Woven Woven Composite Grid
4196.01-2Subsurface DrainageUS 90NW   
4196.01-3Embankment Erosion ControlUS 160NW   
4196.01-4Asphalt Overlay FabricUS 90P   
4196.01-5Subgrade Stabilization Material   BaseGrid 11
4196.01-6Concrete Stone, Revetment & Bridge Abutment Backfill Fabric US 3600/3600  
More resources may be found on the web:

Iowa DOT Home Page

2015 STANDARD SPECIFICATIONS FOR HIGHWAY AND BRIDGE CONSTRUCTION

Section 4196 Engineering Fabrics

Standard Specifications with GS-15005 Revisions

2012 Standard Specifications For Highway & Bridge Construction - Section 4196 "Engineering Fabrics"

State QPL information:

QPL Geotextiles

Inspection & Acceptance Engineering Fabric

NOTES:

• The above information is to be used only as a guide.

• US Fabrics Products are not on the Iowa DOT QPL.

 

Areas Served:

US Fabrics is proud to serve the geotextile needs of the State of Iowa, including: Des Moines, Cedar Rapids, Davenport, Sioux City, Waterloo, Iowa City, Council Bluffs, Ames, Dubuque, West Des Moines, Ankeny, Urbandale, Cedar Falls, Marion, Bettendorf, Mason City, Marshalltown, Clinton, Burlington, Fort Dodge, Ottumwa, Muscatine, Coralville, Johnston, Clive, Newton, Indianola, Altoona, Waukee, North Liberty, Boone, Oskaloosa, Spencer, Fort Madison, Keokuk, Storm Lake, Pella, Carroll, Waverly, Le Mars, Fairfield, Grinnell, Norwalk, Pleasant Hill, Mount Pleasant, Denison, Grimes, Decorah, Webster City, Creston, Clear Lake, Perry, Charles City, Knoxville, Washington, Atlantic, Sioux Center, Hiawatha, Nevada, Oelwein all other areas of Iowa.