The construction of a new weir structure adjoining the existing structure, new inlet channel to existing pump station and construction of a fishway / ladder. Incorporation of DWA flow gauging station and stabilising of riverbed and both river banks as well as providing a safe crossing for vehicles. Installation of 108No augered piles below river level, socketed into bedrock. Lateral support installation though gabion baskets. Procurement, delivery and placement of 10 000m3 of rip-rap boulders for scour protection.