Rock armouring & Rock basins 1 drainline Rock armouring & Rock basins 2 woody debris Rock armouring & Rock basins 3 hand placement Rock armouring & Rock basins 4 toe reinforcement Rock armouring & Rock basins 5 Excavator Rock armouring & Rock basins 6 Rock lined channel Storm water outlet rock basins & bank protection Storm water outlet rock basins & bank protection