At John Holland we’re up for the challenge of improving lives. By finding solutions to complex challenges and opportunities, we transform communities to make them easier to move around, more connected, and better to live in. We work in Australia, New Zealand and South East Asia, offering services from infrastructure and property development to rail and building. John Holland has successfully delivered dam upgrades across Australia to improve the safety and storage capacity of reservoirs. Our capabilities include strengthening of the existing embankments, major structural upgrades of the existing spillway and installation of gates on spillway crests. Key references include Cotter Dam (ACT), Wyangala and Split Rock Dams in NSW, Eildon Dam in Victoria.