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8. Volume 5 - Stormwater Management Plan
Attached to the e-mail MCU16/0084 & OPW16/0157 Development Application - Traffic Impact Assessment & Stormwater Management Plan (email 3 of 3).
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Log in to see the plans as drawn LAMBERT & REHBEIN
ENGINEERS • MANAGERS • SCIENTISTS
Table 4 Post Development XPStorm Inputs
Item Value Units Source / Comment
IFD Chart Noosa N/A Bureau of Meteorology
IFD Coefficients Noosa N/A Bureau of Meteorology
Zone 3 N/A AR&R, Volume 1, Book 2
Impervious Initial Loss / Continuing 1/0 mm AR&R, Volume 1, Book 5
Loss *
Pervious Initial Loss / Continuing Loss 10 / 1 mm AR&R, Volume 1, Book 5
*
Impervious Catchment Mannings 0.013 N/A Roof and Pavement
Pervious Catchment Mannings 0.03 N/A Landscaping/Grass
Total Impervious Catchment Area 0.2227 ha Site Layout Plan
Total Pervious Catchment Area 0.0201 ha Site Layout Plan
Impervious Vectored Slope 1.0 % Site Layout Plan
Pervious Vectored Slope 1.0 % Site Layout Plan
* The Initial and Continuing Loss models are within the specified AR&R ranges and have been
calibrated to the results obtained from rational method calculations.
The post development XPStorm model was calibrated using the rational method. Table 5 overleaf
shows the results of the hydrological modelling and the rational method calculations. For further
details, the XPStorm outputs are enclosed in Appendix D and the rational method calculations
are enclosed in Appendix E.
Ref: B16239CR002 - 6 - Stormwater Management Plan
Noosa Energy Centre - Noosaville
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