Table 1 – Range of watertables¹
Item |
Water levels (m AHD) |
Headpond |
|
Normal operating level (turbine rated output) |
1067.2 |
Spillway crest level |
1068 |
Maximum headpond level |
1069 |
Tailwater |
|
Minimum operating level (Lake Guy) |
638.4 |
Minimum level at draft tube (controlled by a weir in the Bogong Power Station) |
641.5 |
Mean operating level |
645.5 |
Maximum normal operating level |
649.68 |
Maximum flood level (Lake Guy) |
653 |
1 Bogong Power Development Tunnel and Civil Works Contract, Volume 1, Formal Instrument of Agreement, Schedule 10B – Technical Particulars, AGL September 2006