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.

1. Back to Landfill