Development Plan - City of Playford - SA.Gov.au

WSUD techniques that may be applied in
addition to or in lieu of conventional
drainage/disposal
measures include:
(a) Source controls at the allotment level
such as the collection and plumbing
of rainwater for toilet flushing, hot
water systems and laundry, irrigation
or retention/infiltration, through the
Building Code of Australia.
(b) Conveyance controls at the
neighbourhood level such as the
adoption of water sensitive road
designs and the use of grass swales
and ‘natural channels’ to replace kerb
and gutter and concrete drains.
(c) Discharge controls at the allotment,
neighbourhood or catchment level
such as retention/detention/infiltration
measures, constructed wetlands and
gross pollutant traps.
As mentioned above, the existing WSUD
provisions of the Development Plan will be
reinforced by the introduction of new
structure plans and associated policy.
Particular WSUD measures which will be
encouraged and sought via the new DPA
policy include:
• preference for grass swales and natural
channels to replace kerb and gutter
where engineering investigations permit;
• the intended construction of wetlands to
the north of Curtis Road, part of a
stormwater re-use system integral to the
National Water Project;
• retention of existing drainage corridors
through structure planning which
designates these areas and immediate
surrounds as part of a connected open
space network.
(d) Natural systems planning such as
retaining natural drainage for trunk
drainage and designing housing,
roads and open space around
watercourses and natural contours.
3. Integrate the management, protection
and use of water resources, into
broader land use planning and
management.
(a) Protect and enhance the quality of
Adelaide’s underground and surface
waters.
(b) Protect culturally significant water
features.
(c) Seek opportunities to re-use treated
stormwater and wastewater for irrigation
and industrial use.
(d) Design and manage development to:
- protect land from soil erosion,
salinisation and contamination
- protect watercourses, wetlands,
floodplains and water supply
catchments from poor land use and
management practices
- protect underground water resources
from overuse and pollution
The proposed Structure Plans and
associated policy will facilitate the
establishment of an integrated stormwater
management system which has a key focus
on water treatment and re-use, which will of
benefit to existing water resources.
Proposed policies are aimed at maintaining
and enhancing natural drainage systems, to
the extent that the urban design intent for the
Smith Creek environs is to return this existing
drainage line to a more natural state,
therefore making the area more functional,
amenable and accommodating of enhanced
biodiversity.
Future development areas have been
considered in terms of potential flood risk,
with new residential areas confined to those
locations not required as part of any localised
stormwater management projects or a 1 in
100 ARI flood event.
Playford North DPA -41-
Jul 08
Final DPA 20 August 08.doc Version 3