Laserfiche WebLink
• No evidence needlepunching between the geotextiles has been compromised. <br />• Geosynthetic clay liner does not leave deep indentions when walked upon. <br />• Overlapped and bentonite- enhanced seams are intact. <br />Leak Detection and Sump Construction <br />• Performed by contractor, monitored by Mill Superintendent and /or Owner's Engineer. <br />• Layout and grade detection layer collection sump system. <br />• Liner material contractor will install and test the leak detection drainage net system in <br />accordance with manufacture's recommendations. <br />Impoundment Liner Installation <br />• Performed by contractor, monitored by Mill Superintendent and /or Owner's Engineer. <br />• Layout and grade anchor trench for geomembrane liner. <br />• Liner material contractor will inspect the substrate and anchor trenching prior to <br />commencing installation. <br />• Panel installation will occur in reasonably clam weather conditions with ambient <br />temperatures in excess of 40 degrees F and no precipitation. <br />• Sample seams will be made on a daily basis to establish a proper film bond tear. <br />• Seaming crews will overlap the material + / -6in and construct a minimum 2in wide fully <br />bonded seam without wrinkles or voids. <br />• If wrinkles occur, the seam will be cut and patched accordingly, a minimum of 4in <br />beyond the problem seam in all directions. <br />• Field seams will be tested by the air -lance method per ASTM Method D4437. Where <br />visual or audible signs occur, the area will be repaired. <br />M1990 -057 May 14, 2013 <br />