HomeMy WebLinkAboutGoderich Signal Star, 2017-06-14, Page 1212 Signal Star • Wednesday, June 14, 2017
Coastal engineer presents about shoreline protection structures
New video shares presentation
AV to ABCA Board
Coastal engineer Fiona
Duckett, M.Sc., P. Eng., of W. F.
Baird and Associates Coastal
Engineers Ltd, presented to the
Board of Directors of Ausable
Bayfield Conservation Author-
ity (ABCA), at a board's regu-
larlyscheduled meeting.
The presentation was video-
taped professionally and the
video of the presentation is now
posted online on YouTube.
A link to the video is found
at abca.on.ca on the Shore-
line Management Page
(abca.on.ca/page.
php?page=shoreline-man-
agement) at this link: Devel-
opment of Policies and Proce-
dures for Shore Protection
Structures along the ABCA
Shoreline (https://youtu.be/
mleHRk351Cc).
Baird and Associates pro-
duced a Considerations for
Shore Protection Structures
document in 1994.
The firm is;updating that
report this year. Duckett spoke
to the board on shore protec-
tion structures, including cur-
rent policies and procedures,
and next steps to update poli-
cies and procedures.
She spoke on the current mix
of erosion control structures
along the shoreline of the
ABCA, natural hazards, shore
protection types, and the exist-
ing permitting process.
In addition to the new
video, there is also a video,
posted online last month, of
a previous presentation the
board, by Dr. Robin David-
son -Arnott, Professor Emeri-
tus, University of Guelph.
A link to that video is avail-
able on the same shoreline
management web page. He
presented to the April 20,
2017 board meeting on the
topics of shoreline pro-
cesses, climate change
impacts on the Great Lakes,
and shoreline protection:.
MENESET ON THE LAKE
—. A Parkbridge Community
'lhe two presenters, Fiona
Duckett and Robin David-
son -Arnott, are also sched-
uled to present at two public
open houses on two Satur-
days in June.
The first open house was
June 3 in Zurich. The second
pen house is June 17 in Thed-
ford. "The open houses nal from
9 am to 12 noon. Presentations
begin at 10:30 am. The open
house in Thedford is at the Leg-
acy Recreation Centre Hall, 16
Allen Street. The open:house in
Zurich is at the Zurich Arena, 15
East Street
In her presentation, Duckett
outlined some existing types of
shore protection structures
such as seawalls, revetments,
beach nourishment, offshore
breakwaters, groynes, and ad
hoc structures. Shore protec-
tion structures are considered
development and a permit is
required, she'said.
According to the speaker,
shore protection structure
designs should be developed
on a site-specific basis,
within the overall framework
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of the Shoreline Manage-
ment Plan and by a qualified
Coastal Engineer.
Structures that are not
designed by a coastal engi-
neer are more susceptible to
failure, she said.
The presenter stated there
is a need to consider the types
of potential impacts on adja-
cent properties in cases where
shore protection structures
are considered.. If not
designed properly, shore pro-
tection structures could, in
some cases, remove sand
from the `sediment budget'
and impact shorelines and
properties downdrift, she said.
Prevention is the preferred
approach, Duckett told the
board, and that includes
locating buildings landward of
the natural hazard limit and
observing hazard setbacks. If
shore protection is considered
for some existing properties, it
is a "last line of defence" for
properties located in the natu-
ral hazard zone lakeward of
the natural hazard limit.
The presenter spoke to the
board about the need to pro-
vide direction on applica-
tions for shore protection to
ensure shoreline ecosystems
and processes are not
impacted and that negative
impacts on other shoreline
properties are not created.
Referring to the Provincial
Policy Statement on Natural
I lazards (2014), she said
development couldn't result
in adverse environmental
impacts and can't create new
hazards or aggravate existing
hazards. It must happen with
protection works standards
and access standards. Also,
people and vehicles must
have a way of safely entering
and exiting the area during
times of flooding, erosion and
other emergencies.
ABCA's current Shoreline
Management Plan (SMP) has
been in place. since 2000. It
identifies shoreline hazards for
flooding, erosion, and dynamic
beaches and their impact on
shoreline development
The Conservation Author-
ity started a process in 2015
to update technical informa-
tion to support updates to
the 2000 SMP document.
The 2017 open houses pro-
vide information on the exist-
ing plan and current policies
as well as an update on the
progress of technical work for
future updates. (The review of
local development policies
contained in the SMP 2000 is
not expected until 2018,
according to ABCA.).
Updates to the Shoreline
Management Plan will pro-
vide a consistent and up-to-
date guide for development
and municipal land use
planning along the shore-
line, according to the ABCA.
Updates will provide newer
information on shoreline reces-
sion rates, ensure that local pol-
icies and application of the Reg-
ulation conform to Province of
Ontario policy, and keep poli-
cies current in light of emerging
land use trends.
To learn more about
shoreline management in
the watershed visit the
Shoreline Management Plan
Update page online at abca.
on.ca at: abca.on.ca/page.
php?page=shoreline-man -
agement.
Members of the public are
invited to subscribe to a free
electronic newsletter that pro-
vides updates about shoreline
management in the watershed.
To sign up to receive these
updates you may visit this
link: http://eepurl.com/
bxn8_5. More than 325 peo-
ple have subscribed to this
online newsletter.
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