Laserfiche WebLink
QA/QC CONSULTANT shall review the Geomembrane Manufacturer's <br /> interface shear strength test results for the textured geomembrane to cushion <br /> geotextile interface and for the GCL to textured HDPE geomembrane to <br /> geocomposite interface. <br /> 7. Sampling Procedures. <br /> a. Sample across the entire width of the roll. <br /> b. Cut sample 3-feet long by width of roll. <br /> C. Mark machine direction on the samples with an arrow. QA/QC <br /> CONSULTANT will be responsible for markings. <br /> d. Sample at a rate of one per batch or one per one hundred <br /> thousand square feet of material supplied, whichever results in <br /> greatest number. <br /> C. Field Testing <br /> 1. General: The GEOSYNTHETICS CONTRACTOR shall non-destructively <br /> test all field seams over their full length using a vacuum test unit,air pressure <br /> (for double fusion seams only), spark testing, or other approved methods. <br /> Perform testing as the seaming progresses and not at the completion of all the <br /> field seaming. Complete all required repairs in accordance with this <br /> specification. The QA/QC CONSULTANT shall be informed when testing <br /> will be performed. <br /> 2. Vacuum test <br /> a. Equipment: <br /> i. A vacuum box assembly consisting of a rigid housing, a <br /> transparent viewing window, a soft neoprene gasket attached <br /> to the bottom, port hole, or valve assembly, and a vacuum <br /> gauge. <br /> ii. A vacuum pump assembly equipped with a pressure control <br /> iii. A rubber pressure/vacuum hose with fittings and connections. <br /> iv. A soapy solution and an applicator. <br /> b. Test Procedures. <br /> i. Place the box over the wetted seam area(soapy solution). <br /> ii. Ensure that a leak-tight seal is created. <br /> iii. Energize the vacuum pump and reduce the vacuum box <br /> pressure to approximately 10 inches of mercury, i.e., 5 psi <br /> gauge. <br /> FORWARD LANDFILL 02778 <br /> HIGH DENSITY POLYETHYLENE <br /> 18 (HDPE)GEOMEMBRANE <br />