Published Resources Details

Conference Paper

Author
Henkel, Geoffrey G.
Title
Engineering for lake Ginninderra in the ACT
In
17th Engineering Heritage Conference: Canberra 100 - Building the Capital, Building the Nation
Imprint
Engineers Australia, Barton, Australian Capital Territory, 2013, pp. 127-136
ISBN/ISSN
9781922107121
Url
https://search.informit.org/doi/10.3316/informit.880745840981812
Abstract

The author has been involved in the design of a number of dams and spillways and has been responsible for the original dam design development of Lake Ginninderra in Canberra and its recent spillway upgrade, working either for the development authority (National Capital Development Commission - NCDC) or as a consultant. This paper, a memoir, outlines the engineering design of Canberra's second lake, built in the 1970s as a multi-purpose facility and centrepiece for Belconnen new town and as a major aesthetic and recreational lake waterscape. It records the story of how NCDC built the next lake after Lake Burley Griffin to add to the waterscape of the national capital. Subsequent to NCDC it had been found that the original spillway capacity was inadequate and that there was a need for dam safety improvements; it is now classified as a "High" to "Extreme Hazard" under ANCOLD guidelines. This paper discusses the more recent innovative spillway upgrading; a first stage to achieve new PMPDF spillway capacity in conjunction with new upstream retardation basin(s), as well as other outstanding dam safety matters. The paper demonstrates how NCDC developed Lake Ginninderra as an important part of the national capital.

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