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State of Connecticut

Connecticut Department of Transportation

Geotextiles & DOT Specifications

JAN 2019

CONNDOT

The State of Connecticut DOT geotextile standards are extremely antiquated. They reference AASHTO M288 in the QPL. It states: “The categories listed are in accordance with the AASHTO M 288 specification,” but the Qualified Products List appears to follow the 1992 version of AASHTO M288. This version is no longer in effect. The list shows a woven slit-film separation geotextile as permitted for subsurface drainage. US Fabrics does not recommend woven slit-film geotextiles for this application, nor does the current version of AASHTO M 288. The Qualified Products List also includes numerous companies no longer in existence and geotextile products no longer being manufactured. On March 2006 US Fabrics submitted their full-line for evaluation and inclusion on the Connecticut DOT Qualified Products List. Approval is STILL pending.

As such, we are recommending our geotextile products based on the CURRENT addition of AASHTO M288. Please contact US Fabrics directly if you require a product approved for use in Connecticut by CONNDOT.

800-518-2290.

Click on the green product name for a data sheet.

US Fabrics Products Meeting Connecticut's DOT Specifications
Specification Application Non Woven Woven Composite Grid
AASHTO M288Subsurface Drainage - Class 1 <15% FinesUS 205NWUS 230  
AASHTO M288Subsurface Drainage - Class 1 15% to 50% FinesUS 205NW   
AASHTO M288Subsurface Drainage - Class 1 >15% FinesUS 205NW   
AASHTO M288Subsurface Drainage - Class 2 <15% FinesUS 160NWUS 230  
AASHTO M288Subsurface Drainage - Class 1 15% to 50% FinesUS 160NWUS 670  
AASHTO M288Subsurface Drainage - Class 1 >15% FinesUS 160NWUS 670  
AASHTO M288Stabilization - Class 1US 205NWUS 315  
AASHTO M288Stabilization - Class 2US 160NWUS 250  
AASHTO M288Stabilization - Class 3US 120NWUS 200  
AASHTO M288Separation - Class 1US 205NWUS 315  
AASHTO M288Separation - Class 2US 160NWUS 250  
AASHTO M288Separation - Class 3US 120NWUS 200  
AASHTO M288Permanent Erosion Control - Class 1 <15% FinesUS 205NWUS 230  
AASHTO M288Permanent Erosion Control - Class 1 15% to 50% FinesUS 205NW   
AASHTO M288Permanent Erosion Control - Class 1 >15% FinesUS 205NW   
AASHTO M288Permanent Erosion Control - Class 2 <15% FinesUS 160NWUS 230  
AASHTO M288Permanent Erosion Control - Class 2 15% to 50% FinesUS 160NWUS 670  
AASHTO M288Permanent Erosion Control - Class 2 >15% FinesUS 160NWUS 670  
AASHTO M288Permanent Erosion Control - Class 3 <15% FinesUS 120NWUS 230  
AASHTO M288Permanent Erosion Control - Class 3 15% to 50% FinesUS 120NWUS 670  
AASHTO M288Permanent Erosion Control - Class 3 >15% FinesUS 120NWUS 670  
AASHTO M288Paving FabricUS 100P   
More resources may be found on the web:

Connecticut DOT Home Page

Form 815 DIVISION III MATERIALS SECTION

Materials & Testing Manuals

State QPL information:

Qualified Products List

Policy on New Product Evaluation at Connecticut DOT

Areas Served:

US Fabrics is proud to serve the geotextile needs of the State of Connecticut including: Bridgeport, New Haven, Hartford, Stamford, North Stamford, Waterbury, Norwalk, East Norwalk, Danbury, New Britain and all other areas of Connecticut.