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Attachment 6 - Stormwater Management Plan
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R1767: NOOSA LANDFILL: CLEAN WATER DRAIN AND HES BASIN (SW5) – DESIGN REPORT & MAINTENANCE AND INSPECTION PLAN
5.4. PEAK FLOW DEPTHS
An assessment of depth within the clean water and dirty water drains is detailed below in Table 4.
Table 4 – Depth Assessment
10 % AEP 1 % AEP
INVERT LEVEL
NODE PEAK WATER LEVEL DEPTH PEAK WATER LEVEL DEPTH
(m AHD)
(m AHD) (M) (m AHD) (M)
CH0 25.263 25.683 0.420 25.812 0.549
CH100 24.563 24.830 0.267 24.920 0.357
CH132 23.636 24.028 0.392 24.154 0.518
CH282 22.631 23.127 0.496 23.273 0.642
CH430 21.550 21.843 0.293 21.939 0.389
CH523 18.100 18.664 0.564 18.823 0.723
CH558 17.749 18.172 0.423 18.299 0.550
CH623 15.350 15.705 0.355 15.825 0.475
CH668 14.210 14.747 0.537 14.920 0.710
CH716 14.000 14.565 0.565 14.733 0.733
HES DWD 21.600 22.115 0.515 22.257 0.657
Doser Inlet 21.000 21.304 0.304 21.396 0.396
Forebay 20.700 21.000 0.300 21.100 0.400
Calculations for rock sizing, weir sizing and rock dissipaters are provided in Appendix B.
Environment. Engineering. Education. PAGE 6
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