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<br />t 7.3.1.3 Placement <br />i ~ The geonet shall be shipped to the site in rolls and <br />stored before use according to the manufacturer's <br />' recommendations. Each roll shall be placed over the lower <br />synthetic liner taking precautions to prevent damage to <br />the underlying liner. The geodrain shall be placed and <br />anchored according to the manufacturer's recommendations. <br />' The geodrain shall not be welded or bonded to either <br /> the underlying or overlying synthetic liners. <br /> <br /> 7.3.2 Leak Detection Pi pe <br /> <br /> The leak detection pipes under the solu tion ponds <br /> shall be lZ-inch <br />i <br />l <br />Th diameter <br />i <br />h <br />l Schedule <br />l b <br />l <br />t 40 <br />d <br />t PVC or approved <br />ith <br />i <br /> ent. <br />equ <br />va <br />e pes s <br />a <br />p e s <br />o <br />e w mum <br />a max <br /> slot size of 1/32 inch and a minimum ope n area of 0.5 sq <br /> inch per ft of pi pe except for the ri ser pipes which will <br /> be solid. <br /> <br /> The pipes shall be buried in the sand blanket on the <br />1 pond bottom. The four-inch diameter PVC riser pipe shall <br /> be covered by geonet on the pond side slopes. )e tails of <br /> the pipe installation, including the various short <br />i <br />All <br />h <br />i <br />h <br />d <br />i <br /> on <br />raw <br />connectors, are s <br />own <br />n t <br />e construct <br />ngs. <br /> connections made shall be solvent welded according to <br /> manufacturer's recommendations and to the satisfaction of <br /> the Engineer. <br /> <br /> 7.4 Leachate Collection <br />1 <br /> 7.4.1 Pipe <br /> Polyethylene pipe for the collection of Leachate <br /> shall be 12-inch diameter corrugated network pipe such as <br />' <br /> <br />l N-26 <br />