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Attachment 4 Strmwtr Mangement Plan
Attached to the e-mail MCU15/0045 Application for Detached House - Soil Test & SWMP - Email 2 of 2.
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Log in to see the plans as drawn24 June 2014
SCG Ref: 24018(L1)
By Email: ([email protected])
Martoo Consulting
C/- Aboda Design Group
Dear Sirs
Re: Lot 17 Noosa Dunes, Castaways Beach
In response to Noosa Council’s information request for MCU14/0038 dated 12 June 2014, we have now
updated our Site Stormwater Management Plan SCG 24018-SW1 to include the area and dimensions of the
flow path from the stormwater soakage pit and the velocity of the overflow. This velocity is 0.025 m/s at 1%
AEP which is much less than the recommended maximum flow velocity of 0.9 m/s as given in the
Queensland Urban Drainage Manual 2013 for easily eroded soils at a grade of 20%.
We therefore consider there is no need for any additional features other than grass cover to reduce the flow
velocity.
Yours sincerely
SEAN RICHARDSON – RPEQ 5835
For and on behalf of
SCG CONSULTING ENGINEERS
Encs Stormwater Pit Overflow Calculations
SCG 24018-SW1-RevA
Design Calculations
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