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24-7-19 Attachment F Rev Stormwater Mgmt Plan
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Log in to see the plans as drawn18 July 2019
In accordance with the recommendations of Water By Design’s MUSIC Modelling Guidelines for
South East Queensland rainfall runoff properties for commercial areas have been used.
These are listed in Table 2 below.
Parameter Value
Rainfall Threshold (mm) 1
Soil Storage Capacity (mm) 18
Initial Storage (% of capacity) 10
Field Capacity (mm) 80
Infiltration Capacity Co-efficient a 243
Infiltration Capacity Co-efficient b 0.6
Initial Depth (mm) 50
Daily Recharge Rate (%) 0
Daily Base Flow Rate (%) 31
Deep Seepage (%) 0
Table 2 – MUSIC Rainfall Runoff Parameters (Commercial)
5.3.3.4 Pollutant Export Parameters
Specific Pollutant Export Parameters must be applied to each node type as cited in the Water By
Design MUSIC Modelling Guidelines. The values shown in Table 3 are for split catchment
commercial areas.
Runoff pollutant concentrations are generated stochastically from the defined mean and standard
deviation.
Excellence with Economy in Engineering 11
l:\7000-7999\7700-7799\7700\reports\18-07-19 stormwater management plan_issue d.docx
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