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Surface sealing of Leppe landfill

Project period

2002 until 2004 


BAV – Bergischer Abfallwirtschaftsverband  

Task and implementation

Die Deponieabschnitte 1 und 2 der The landfill sections 1 and 2 of the central landfill Leppe were provided with a final surface sealing system. Due to the special features of the landfill sections with slope gradients of 1:2.5 and the construction with prefill dams of cohesive material of > 4 m thickness, a sealing system with exclusively mineral sealing but with a permeability coefficient of kf 1 * 10-10 m/s was approved.

Project data

After profiling, approx. 43,000 m² of mineral seal, surface filter and recultivation layer were applied. The integration of the landfill forecourt, the crossing of the landfill access road during ongoing operations, and the necessary re-routing of gas collection lines, leachate transport lines, and the crossing water and electrical supply facilities had to be taken into account here.


  1. Implementation planning
  2. Preparation of the awarding of contracts
  3. Participation in the awarding of contracts
  4. Local construction supervision
  5. Site management

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