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In many landfill designs, the regulatory agency requires that the final cover has a permeability less...

In many landfill designs, the regulatory agency requires that the final cover has a permeability less than or equal to the permeability of the landfill liner. What are the implications for long-term maintenance of the site?

Engineering   Civil-Engineering   
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SOLUTION :------>>>>>>

For long term maintenance of land fill site these measures should be taken :

Units must install a final cover system that is designed to minimize infiltration and erosion. The final cover system must be designed and constructed to ( so that they are stable for long term )

(1). Have permeability less than or equal to the permeability of any bottom liner system or natural subsoils present, or a permeability no greater than 1 x 10-5 cm/sec, whichever is less.

(2). Minimize infiltration through the closed MSWLF unit by the use of an infiltration layer that contains a minimum of 18-inches of an earthen material.

(3). Minimize of the final cover by the use of an erosion layer that contains a minimum 6-inches of earthen material that is capable of sustaining native plant growth.

✓✓✓✓✓✓✓✓✓✓✓ THANKS ✓✓✓✓✓✓✓✓✓✓

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