The River Itchen is a river in Hampshire noted as one of the world's premier chalk streams for fly fishing, especially using dry fly. It is designated as a Site of Special Scientific interest (SSSI) and is noted for its high quality habitats, supporting a range of protected species including the endangered water vole, otter, brook lamprey and white-clawed crayfish.
Terraqua supplied a range of high quality products to enable a soft-bioengineered erosion system to be installed at the water’s edge. A key objective was to collect a constant supply of fine sediment and to establish vegetation, the bioengineering design detail was critical within this SSSI site. Read more
There was no established vegetation on the slopes and the silts were washed down the channel and into the main drain, which was not acceptable. The Terraqua solution included granite filled rock rolls as a protection lining to each side of the channel. Read more
Flooding events within The Rye parkland due to bank failures within the River Wye, caused the local council to seek advice in the form of ECI provided by Land and Water allowing a proposal for restoration on four sections of embankment. Land and Water were successful at competitive tender stage to install primarily coir, post and faggot and Nicospan revetments. Read more
As part of the contract British waterways instructed Land & Water Services to repair the badly eroding banks and use as much retained silts as possible.
“Nicospan” was the chosen as the product to install at the water’s edge, it provides a high-quality and economical erosion control system and is designed specifically for protecting vertical banks. Easily installed, Nicospan is especially useful where access to the bank is limited and is an ideal low cost bank protection system that allows the use of dredged silts as fill. Read more
As the sole British Waterways UK framework contractor for dredging Land & Water were contracted by British Waterway’s to ensure all winding holes on the Grand Union Leicester Line and Oxford canals were maintained to current safety standards.
These winding holes had silted up over time and so a dredging operation was carried out using Land & Water’s specialist narrow beam dredging equipment. British Waterway’s instruction was to repair the badly eroding banks and use as much retained silts as possible. Read more