Not durable nor cheap

  • Lifestyle
  • Sunday, 03 Jun 2012

I READ with disbelief that galvanised wired gabion is being used for long-term river protection work, as published in the article Reviving a river (Ecowatch, May 29).

The wired cage is not suitable as a long-term solution for river bank protection as the durability of the cage depends on the thickness of the galvanisation.

Typically, the wired cage has a weight of coating of about 250g/sqm, which is too thin for long-term stability. The protective life of the coating is about 10 years.

The maintenance or replacement cost of this system is extremely expensive.


Kuala Lumpur

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