Bryn Pica

Customer:Amgen Cymru

Value: £0.4 million

VHE successfully carried out the construction of a new cell on the existing Landfill Site at Bryn Pica located 1,200 feet above sea level overlooking Aberdare in the Welsh Valleys.

The work comprised:

  • Diverting an existing watercourse around the perimeter of the new cell
  • Cut/fill to formation in colliery shale material in the base of the former open-cast coal mine
  • Excavation and screening of colliery shale from a borrow pit to provide suitable material to form the base of the new cell.
  • Installation of a three layer liner system comprising:
  • HCL bentonite liner
  • HDPE waterproof liner with welded seams
  • 25mm thick protection rug with welded joints
  • Placing of a 600mm thick drainage layer to the new cell base in imported stone
  • Tying in the new construction into the existing adjacent cells
  • Constructing retaining bunds in colliery shale round the perimeter of the new cell

Despite adverse weather conditions, the work was completed in the 10-week contract period.

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ISO 45001
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