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Product Applications » Concrete Walled Bunds

• Concrete Walled Bunds

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  1. Infill and compaction of the ring beam beneath the tank.

  

• Concrete Walled Bunds

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  2. RAWMAT® HDB laid onto compacted infill 300mm below ring beam.

  

• Concrete Walled Bunds

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  3. Compacting 300mm deep confining material above RAWMAT® HDB across tank base.

  

• Concrete Walled Bunds

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  4. Bit sand layer placed prior to application of tank base plate.

  

• Concrete Walled Bunds

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  5. Once tank constructed bund floor can be lined with RAWMAT® HDB.

  

• Concrete Walled Bunds

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  6. RAWMAT® HDB fixed to bund wall and covers the floor of the bund.

  

• Concrete Walled Bunds

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  7. RAWMAT® HDB sheets overlapped across area of bund floor.

  

• Concrete Walled Bunds

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  8. RAWMAT® HDB sheets fixed to pipe support stanchions with nails & termination bars.

  

• Concrete Walled Bunds

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  9. The membrane is covered with 300mm confining material.

  

• Concrete Walled Bunds

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  10. Completed bund lined and operational.

  

• Example Installation

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  1. Rolls of RAWMAT® HDB Type P laid onto contaminated prepared formation and overlapped to form impermeable barrier.

  

• Example Installation

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  2. Once RAWMAT® HDB laid, Rawdrain 444 drainage composite installed above Rawmat as protection and to promote free drainage of bund floor.

  

• Example Installation

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  3. RAWMAT® HDB and Rawdrain covered with 250mm layer of contaminated material previously stockpiled within bund.

  

• Example Installation

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  4. Rawtex separation geotextile placed over contaminated fill to retain 50mm clean stone layer across bund floor.

  

• Example Installation

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  5. Completed bund upgrade meets statutory regulations utilising contaminated ground from original bund floor. Costs minimised as no contaminated is needed to be sent to landfill.

  

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All information contained within this site is given in good faith and is correct to the best of Rawell Environmental Ltd.'s knowledge. However, this information is not legally binding and may be changed at any time without notice. Rawell offer a free advisory service, please Contact Us for more details. RAWMAT® and RAWSEAL® are registered trademarks of Rawell Environmental Ltd.