TEMPORARY CAPPING CASE STUDY
Moray Council, Nether Dallachy Landfill Site, Elgin
The client was temporary capping a 10 000m2 area of ‘open’ landfill, with our Cover 240 to prevent surface water ingress and control gas emissions.An appropriate anchor system was sought to prevent potential wind displacement and damage to Cover Up 240, which is a relatively lightweight geo-membrane.
The main challenge facing the client within this project was the area to be temporarily capped was relatively large at 10 000m2.
Sandbags and tyres were discounted as outdated, labour intensive, and ineffective.
Solution: NET DOWN was chosen to provide the 10 000m2 of deployed Cover Up 240 with secure anchorage against potential wind displacement.
NET DOWN was supplied in 600cm wide x 100m rolls, with each width of NET DOWN being stitched together with a double threaded stitching machine.
NET DOWN was deployed directly upon the pre-welded panels of Cover Up 240 by our installation team who were commissioned to install both materials.
As well as providing the temporary cap with a secure anchor against potential wind displacement, NET DOWN also afforded the below geo-membrane and drainage mat with an 60% UV block.
NET DOWN also provided the below capping structure materials with added durability and protection against potential damage from scavenging animals and vermin.
A further benefit of using NET DOWN was the products drainage flow properties which ensured the controlled flow and dispersal of surface water to the drainage extraction point.
An aesthetic benefit of using NET DOWN was also gained: NET DOWN is supplied in Green which provided a uniformed appearance, and ensured the capped area blended into the adjacent environment, and lessened the visual impact on local residents.
NET DOWN is UV stabilised for a minimum of 5 years, ensuring the integrity and performance of the product would comfortably exceed the lifespan requirement of this particular application.
Since these initial works with Cover Up and NET DOWN a further 3 phases of works have been completed.
Pictures of completed works:
7th February 2019
25th January 2019
22nd January 2019
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