There are several phases of preparation of landfill base liners, starting with the positioning of the membrane, until these can be covered with several metres of refuse. These membranes may be damaged during preparation, but can also be inspected and repaired. It is advisable to undertake inspections at regular intervals.
Unlike base liners, surface liners are not buried at some point under many metres of waste and instead are usually protected over the course of many years only by a 1-metre thick mineral layer. As a result, there can be uncertainty about the integrity of their leak-proofing characteristics, particularly if the land is subsequently used for other purposes; however, at the same time, repairs are also possible at reasonable cost if the location of any damage can be established.
It is also possible to retrofit a monitoring system in existing surface sealing liners without impairing the synthetic liner sheet or the immediately adjacent functional layers. For this purpose, cable trenches must be dug in the recultivation layer above the drainage layer. The detection cables are then laid in these trenches.
IEC is a supplier of floating membrane covers and liners for livestock, hog and dairy producers. Industrial & Environmental Concepts (IEC) designs and installs agricultural gas collection covers, waste-water covers, odor control covers, bio-gas systems, pond liners and methane capture for manure lagoons and tanks. IEC`s manure handling systems are custom designed for pork and dairy producers. The lagoon covers provide the dairy and pork producer an effective and low maintenance solution to covering their manure pits. The bio-gas collected from our manure cover systems can be flared or used to generate electricity.
By Industrial & Environmental Concepts, Inc. (IEC) based in Lakeville, MINNESOTA (USA).
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