PROJECTS TA L LOWA DAM • Partnered Sydney Catchment Authority and Leighton Contractors • The 43m high Tallowa Dam is an integral part of the Sydney Catchment Authority’s Shoalhaven Scheme and is essential to the bulk raw water supply system for Greater Sydney. • This project involved the design and installation of an innovative fish-lift system. • Project accolades include Australian Institute of Project Management NSW Chapter Excellence Award in the Sustainable Projects category. • AWMA was required to develop a number of unique flow control structures for the dam and fishway. • Control structures included a positive cable drive on an 8m high overshot gate on the surface water draw off chamber. • A hydraulically actuated spillway gate was cut into the existing dam crest, and a segmented gate was installed for the fishway entrance.
64
