Welcome
Hello everyone
and welcome to the April edition of “Keep Things Flowing”, the
monthly newsletter presented by Storm Water Consulting.
Let’s begin
this month’s newsletter with some handy tips and “did you know”
facts about stormwater.
1.
Did
you know there are four main sources of flood water that affect
properties in South East Queensland? These include River flooding,
Creek/Waterway flooding, Overland flow flooding and Storm-tide
flooding.
2.
Not
all water quality treatment and detention systems are visible when
looking at a development. Systems may be located underground in an
effort to maximise development yield or adhere to site constraints.
3.
Did
you know a Q100 storm event is a term used to describe a storm
event that has a 1% chance of occurring in any single year?
4.
Just
because a neighbouring property has been developed doesn’t
necessarily mean your property can be as well. Depending on the
source and characteristics of the inundation the development
constraints can vastly differ.
5.
Did
you know that even if there is a priority infrastructure plan (PIP),
you may still be required to provide detention for your development?
For more
information on any of the facts or tips presented above please
contact our office or reply to this email.
BCC Storm-tide
Flooding
Brisbane
City Council defines storm-tide flooding as flooding that occurs
when a storm surge creates higher than normal sea levels. Areas
located in Brisbane City Council that are particularly susceptible
to storm-tide flooding are located within the medium or high
storm-tide flood planning area overlay (as shown on BCC’s
interactive mapping). Properties with either of these overlays are
required to meet the requirements of the Coastal Hazard Overlay
Code if development is to occur. A link to BCC’s interactive
mapping is presented below.
http://cityplan2014maps.brisbane.qld.gov.au/CityPlan/
A
significant design requirement that applies to properties within
the medium or high storm-tide flood planning areas is that minimum
finished floor levels are to be set with an allowance for sea level
rises due to climate change. The Coastal Hazard Overlay Code has
been written with an allowance for up to 800mm increase in sea
levels by the year 2100 and 300mm sea level increase by the year
2050. In certain cases, minimum finished floor levels may still be
governed by other sources of inundation, i.e. overland flow,
creek/waterway flooding or Brisbane River flooding.
If you would
like help with identifying the governing source of inundation on a
property and the consequent minimum finished floor level
requirements please contact our office.
Services
Civil
engineering is comprised of a number of different strands. Whilst
the team here at STORM are civil engineers, we specialise
specifically in the hydraulics sector. We are often asked if we
provide certain aspects of analysis or design work. Presented below
is a summary list of the different services we provide:
·
River,
Creek and Overland Flow Analysis
·
Detention
Basin Design
·
Water
Quality Treatment Design
·
Pipe
and Culvert Design
·
Rainfall
Analysis
·
Channel
Design
·
Stormwater
Drainage Design
·
Expert
Witness and Litigation Work
·
Design
Consultation
·
Lawful
Point of Discharge Identification
If your
development requires any of the services listed above we would be
pleased to provide you with assistance. For a detailed summary of
each of the services we provide please visit the services section
of our website via the link below.
http://stormw.com.au/services.html
Wrap Up
We hope you
enjoyed this edition of Keep Things Flowing. Feedback on articles
presented is always welcomed and for further information on any of
the articles presented please don’t hesitate to contact our office.
As always,
Keep Things Flowing!
The Storm Team
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