Resolution 033-1980
RESOLurION ffr_.
33-1980
WHEREAS, the BOARD OF mUNlY CXM1ISSIONERS of MONROE CXlJNTY, Florida,
has received an application fran Richard P. Kerwick to construct:
287' of concrete seawall waterward of MHW and backfill with about
150 cubic yards of clean marl fill on an open-water shoreline. The purpose
will be to reduce erosion to upland property and recover eroded shoreline for
private usage. Riprap is proposed to be placed along the toe of the seawall for
its entire length. Materials and equipnent can be transported to the site over
existing uplands. A boat ramp measuring 10' x 16' will be constructed of concrete
near the northenmost property line.
The project uplands were created by the excavation of a peripheral channel and
finger canals and the p1ace:nent of spoil on surrounding areas. Created was a
residential subdivision presently with low deve1CJIlllE!Ilt (about 10%) located on a
sha11CM, sani-enc1osed, low energy embayment. The site is located near the
south end of the subdivision, the shoreline is oriented to the west and natural
mangrove wetlands occur almost inmediate1y to the south. Uplands in the general
area are vegetated only by pioneer species and open water shorelines are usually
sanewhat eroded and essentially 1IDVegetated. The proposed seawall will connect
to an existing seawall on the SE corner of the site shoreline.
The project site is composed of filled uplands and about 287' of open-water
shoreline that has eroded back fran the edge of a peripheral charme1. This
charme1 is about 40-45' wide and probably about -8 to -10' MLW in depth. Width
of the eroded shelf varies fran about 10 to 15' and the eroded area consists
of marl, rock rubble and rock boulders. The orientation to the west and the
reduced boat traffic locally has kept erosion of this marl fill fran being a
severe problem. Intertidal and subtidal vegetation on this shelf is limited to
Ba~hora on rocks and rubble with the marl being 1IDVegetated. The edges of the
er ed area adjacent to the channel are irregular and appear lIDstab1e. Depths
along this edge are about -1 to -1.5' MLW. Scattered small buttonwoods
(cono~ erectus) are present just above MHW along the shoreline which, because
of loca conditions, does not acCtJIIl.llate floating organic debris. Benthic
camnmities in the adjacent embayment are shallow (-1 to -3' 'MIM) and consist
of sane seagrasses and mostly hard bottan rock-algae-sponge camnmities.
The project, as proposed will serve to eliminate further erosion of this marl
and rubble shoreline and the riprap will provide valuable subtidal habitat. No
adverse impact is anticipated.
BE IT FURTHER RESOLVED, by the BOARD OF mUNlY aM1ISSIONERS of MONROE
CClJNlY, Florida, that said BOARD hereby given its approval for the construction
of the above mentioned proj ect.
RESOLVED this 29th day of January, 1980, at a Regularly scheduled Meeting.
BOARD OF COUNlY aM1ISSIONERS
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