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Primrose Wharf, London – C&D waste from site used to fill gabion
baskets in habitat enhancement scheme

A concrete-clad slope on the tidal foreshore at Primrose Wharf on the River Thames in London was partially broken up to enable gabion baskets to be laid in and planted up with Phragmites australis (Norfolk or common reed) in an effort to improve the habitat. The concrete demolished from the original slope was used as fill for the gabion baskets. Geofabrics were used to line the gabions and as a filter separation between the bottom fill layer and the planting medium above. Finally, pre-planted pallets of reeds were laid on to the planting medium. The scheme covered an area of 154 m2 (4.1 m × 37.5 m) and used 30 gabions.

Construction of new foreshore using C&D waste-filled gabions planted with reeds at Primrose Wharf (courtesy of the Environment Agency)

 

Planting the reeds in the planting medium in the tops of the gabions at Primrose Wharf (courtesy of the Environment Agency)

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