MCU18/0138 - Information request response

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University of the Third Age
Noosa Regional U3A Inc
ABN 752 636117 62




Mr. Patrick Murphy
Coordinator Planning
Noosa Council
PO Box 141
TEWANTIN QLD 4565



Dear Patrick,


Reference MCU18/0138
Subject: INFORMATION REQUEST RESPONSES


Issue: Formation    of the Car Park used by Noosa U3A and rented from the Noosa District Catholic
Parish Church, S Moorindil      Street, Tewantin


Drainage generally
The car park uses a drainage scheme that ensures that all surface water is removed from the site at a
rate of porosity to ensure that no surface flooding occurs during heavy storms. In the 12 months the
car park has been used by U3A Noosa there has been no known occurrence of surface ponding that
would prevent the car park being used.
The gradient of the car park has a cross fall of approximately       1:40.
It is worth noting that it is the habit of members of Noosa U3A to not attend Michell House during
bad weather and it is usual for the building to be unoccupied during inclement            weather.


Sub-base


The sub-base to the car park has been designed to slope slightly from the church building at the
southern end of the site to a berm at the northern end bordering the pathway alongside Poinciana
Avenue. The berm effectively       prevents water from flowing onto the pathway and road. This
effectively   ensures that water, whether     rainwater   or natural ground water, will drain away freely
through the sub-base material, either into the natural subsoil or into the drainage system. The sub-
base appears to be approximately         100 mm thick and constructed        of crushed rubble.


Base construction


The base of the car park is designed to be capable of supporting        and transmitting      to the existing
ground the loads of typical passenger cars without        causing deformation      of the site. It is not designed
to cater for heavy vehicles. The drainage system is designed to ensure that water, whether rainwater
or natural ground water, will drain away freely into the natural subsoil. The base material used is
crushed blue metal/basalt     rock; this is appropriate   to the design of a free-draining,       low maintenance
car park. Particle size ranges from a fine dust to 20-25 mm.



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