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Table 3-1 - Internal Shear Strength and Interface Shear Testing Summary <br /> Extension of Closure Cap of the CHLF Closure Area <br /> Test Parameters <br /> Materials Being <br /> Tested Number of <br /> ASTM Soil Soil Normal Moisture Points per Test <br /> Standard Moisture Density Load Condition Other Specific Information Test Frequency <br /> Prepared Subgrade D5321 3 percent over 90 percent of 250 psf Saturated Place Geomembrane sample over compacted prepared subgrade Single point One per material type <br /> Layer Soil/ optimum per maximum layer soil in direct shear device, place geomembrane and <br /> Geomembrane ASTM D1557 density per consolidate under normal load of 250 psf for 16 hours prior to <br /> ASTM D1557 shearing. Shear under normal load of 250 psf at 0.04 in/min to a <br /> displacement of 3 inches. Residual strength must exceed 200 psf. <br /> Measure and report asperity height of geomembrane specimen. <br /> Geomembrane/ D5321 3 percent over 90 percent of 250 psf Wet Place geomembrane and geocomposite in device. Spray Single point One per material type <br /> Geocomposite optimum per maximum geocomposite with water until water pools. Compact prepared <br /> ASTM D1557 density per subgrade layer in box. Place under normal load of 250 psf for 16 <br /> ASTM D1557 hours prior to shearing. Shear under normal load of 250 psf at 0.04 <br /> in/min to a displacement of 3 inches. Residual strength must <br /> exceed 200 psf. Measure and report asperity height and describe <br /> condition of geomembrane specimen (scratching, punctures, <br /> indentations,etc.) <br /> Geocomposite/ D5321 3 percent over 85 percent of 250 psf Saturated Place Geocomposite sample under compacted protective soil layer Single point One per material type <br /> Vegetative Soil Layer optimum per maximum in direct shear device and consolidate under normal load of 250 psf <br /> ASTM D1557 density per for 16 hours prior to shearing. Shear under normal load of 250 psf <br /> ASTM D1557 at 0.04 in/min to a displacement of 3 inches. Residual strength must <br /> exceed 200 psf. <br /> CH CQA Plan 041712 Rev2a.doc 3.2 Construction Quality Assurance Plan <br />