John Holland won the contract to upgrade 6.6km of a major water supply main between Essendon and Tottenham. The existing water main was built-in 1928 and is nearing the end of its safe service life. The M102 water main is one of three water mains that services Melbourne, about 125,000 homes and businesses in the inner city and western suburbs. The 1200mm diameter water main was replaced to provide optimal performance, without leaks and bursts, and to service future demand requirements for the next 150 years.
Heading and Associates supplied survey support in the following areas;