Nonwoven Geotextile shall be capable of withstanding direct exposure to the
sunlight for 30 days with no measurable deterioration.
The Nonwoven Geotextile fabrics shall be non-biodegradable. CONTRACTOR
shall follow the manufacturer’s recommendations regarding handling and
installation of such materials.
2.2 GEOTEXTILES
A. Nonwoven Geotextile shall be installed as indicated in the Drawings.
B. Nonwoven Geotextile shall be manufactured pf polypropylene or polyester
material exhibiting the following Minimum Average Roll Values (MARV).
MARV
Property Test Method 10 oz/yd2 16 oz/yd2
Mass per Unit Area (0z/yd?) ASTM D 5261 10 16
Grab Tensile Strength (lbs) ASTM D 4632 250 380
Trapezoidal Tear Strength (psi) | ASTM D 4533 100 140
Apparent Opening Size(mm) | ASTM D 4751 <0.21 <0.21
Puncture Resistance (Ibs) ASTM D 4833 140 230
Water Flow Rate (gpm/ft2) ASTM D 4491 70 45
PART 3 ~- EXECUTION
3.1 INSTALLATION
A.
Nonwoven Geotextile shall be installed in accordance with the manufacturer's
recommendations, as shown on the Drawings and specified herein.
Where the use of adjacent sheets of a Nonwoven Geotextile are required and
are not to be sewn, a minimum overlap of 18 inches shall be maintained.
Sheets of Nonwoven Geotextile used in drainage swales, or areas subject to
concentrated stormwater flow, shall be shingled such that the upslope
Nonwoven Geotextile overlies the adjacent downgradient sheet.
All holes and tears in the Nonwoven Geotextile shall be noted and repaired as
specified by ENGINEER.
[END OF SECTION 02510]
P:\3000s\3066.09\Source Files\Type II App\Specifications\ Division 2 Specifications\02510 Geotextiles.docx
File No. 3066.09
Geotextile 02510 - 2 of 2 December 2017
