Laserfiche WebLink
C. The GCL shall be constructed concurrently with the HDPE Geomembrane and shall <br /> be completely covered with completed HDPE geomembrane at the end of each <br /> working day. GCL panel placement shall not precede HDPE geomembrane panel <br /> placement by more than four GCL panels. <br /> PART2 PRODUCTS <br /> 2.1 PROPERTIES <br /> A. The GCL shall have the following properties. <br /> Table 02777-1 <br /> Properties for Geosynthetic Clay Liner <br /> Property Test Method Test Frequency Required Values <br /> Bentonite Swell Index ASTM D 5890 1 per 100,000 lb 24 mL/2g min. <br /> Bentonite Fluid Loss ASTM D 5891 1 per 100,000 lb 18 mL max. <br /> Bentonite Mass/Area ASTM D 5993 40,000 sf 0.75 lb/sf <br /> ASTM D 4632 150 lbs <br /> GCL Tensile Strength 200,000 sf <br /> ASTM D 6768 45 lbs/in <br /> ASTM D 4632 35 lbs <br /> GCL Peel Strength 40,000 sf <br /> ASTM D 6496 5.3 lbs/in <br /> GCL Index Flux ASTM D 5887 1 per week 1 x 10"$m3/m2/sec max <br /> GCL Hydraulic Conductivity ASTM D 5887 1 per week 5 x 10-9 cm/sec max <br /> Interface Shear Strength <br /> (post-peals) �'�—7° <br /> ASTM D6243 1er <br /> GCL/Geomembrane/Geocomposite pproject <br /> c=0psf <br /> Drainage Net' <br /> Notes: <br /> i The interface shear strength testing will be performed by the QA/QC CONSULTANT. <br /> 1. The GCL shall consist of a layer of bentonite encapsulated between two <br /> -1 4 GEOSYNTHETIC CLAY LINER GCL <br /> Forward Landfill WMtJ FU 3 (GCL) <br /> 02777 <br />