Resolution 296-1980
RESOLUTION #
296-1980
WHEREAS, the BOARD OF COUNTY COMMISSIONERS of MONROE County,
Florida, has received an application from George B. Kyle and
WHEREAS, in compliance with State Statute, it is necessary as
part of the permitting procedure to read the following Biological
Assessment into the Record, as follows:
The applicant proposes to:
Construct 690 linear feet of vertical concrete bulkhead in the
approximate area of the mean high water line, or below.
Bulkhead for the outermost section along the basin access channel
will consist of concrete spread footing - 8" masonry units - with
grouted cells, reinforcing bar and a concrete cap tied back by deadmen
at 10 foot (center) intervals. Bulkhead along the basin wall inland
will have an augmented piling for stability and will extend approximately
two feet waterward of the concrete base.
Concrete and masonry units will be brought to the site by flat-
bed and red i-mix truck. Fill will be placed by truck and bulldozer from
the site. Total fill to be used is estimated at 396.5 cubic yards
(63 waterward of MHW and 333 landward of MEW). Turbidity screens will
be used until after the fill is in place. All work will take place from
the upland.
Several discrepancies in the proposed plans were noted during the
on-site inspection. The edge of the rock shelf (and consequently the
bulkhead line) in detail C of the site plan follows the shoreline
indentation more closely than is sho~~ eliminating the possibility of
constructing a bulkhead in a straight line from point to point. More
significant was the observation (high tide, coinciding with the in-
terpretation of the site plans) that a good deal more than 63 cubic yards
of fill will be required below the mean high water line. It is conceivable
that the entire 396 cubic yards of fill anticipated for the project will
be used below the mean high water line.
The general area has been commercially developed, with multi-family
housing along the southwestern shoreline, bridge construction farther to
the west, U.S. #1 to the north and campground facilities extending from
some distance to the east. The area of the campground extending south
into Hawk Channel and Knights Key Channel appears to have been arti-
ficially created by previous dredge and fill operations. This spit of land
is presently used for recreational purposes, although it acts to inhibit
complete circulation within the basin. Waters just outside of this spit
and access channel are 2-4 feet deep with high productivity, gradually
dropping to deeper channel depths.
The dredge channel shoreline opposite the campground on the west
side is relatively unaltered (no fill) and provides good background
criteria, although it appears that there are plans to develop this site
shortly. The shoreline here has been successfully colonized by
Salicornia bigelovii, Salicornia virginica, Red Mangrove (Rhizophora
mangle) seedlings, (Laguncularia racemosa) and Batis maritima.
Substrate here is Key Largo Linestone with little or no erosion (shoreline
ledge submerged at high tide).
Page (1)
~~
Macroinvertebrates observed along the above shoreline ledge included
fiddler crabs (Uca minax), blue crabs (Callinectes sapidus), herbivorous
snails (Cerithiidae) and various species of sponges. Fish species included
barracuda (Sphyraena barracuda), mojarra, snapper, several species of
parrotfish, glass minnows, grunts and an unidentified species of tang.
The dominant growth of benthic flora is the green alga, Caulerpa
sp., and filamentous brown algae.
The shoreline under consideration for bulkheading has been divided
into three distinct and different areas (delineated as A, Band C by the
applicant) .
The area of detail A proposed for bulkhead construction is the
eastern shoreline of a finger canal extending from the campground basin.
The terminal end of this canal, as well as the southeast corner, has already
been bulkheaded. This finger canal is not subject to a large amount of
boat traffic and, as such, its shoreline has not been eroded to the extent
that the other two have been. Red mangrove propagules have begun to
colonize the shoreline just below the mean high water line. Substrate
here is Key Largo lime, although crushed limestone fill has been placed
here above the mean high water line.
Numerous isopods were found along the shoreline landward of the
water line. Subaqueous species included sea squirts (Ascidians, species
unknown), sergeant majors (Abudefdug saxatilis) damselfish (Eupomacentrus
sp), snappers and parrotfish. Algal growth is primarily green fila-
mentous. Turbidity was low.
The shoreline contained within detail B is characterized by a large-
grained, calcareous sand/mud substrate, vulnerable to erosion. Because
of the low benthic stability, species diversity here was lower. Species
were also different than those encountered in detail A. Species of
algae observed included Penicillus sp, Caulerpa sp, Halimeda sp, and
Acanthophora sp. Orange sponges and fiddler crabs were also observed,
however, only one species of fish, a mojarra, was identified (this might
be explained by thegradual slope of the shoreline which did not permit
observation into the deeper channel).
The detail C shoreline bordering the basin access channel is similar
to the finger canal shoreline in detail A, with the major difference
being a higher rate of erosion and consequently a narrower ledgeI' .
Substrate is primarily Key Largo limestone, with an upper layer of
sandy limestone fill. The intertidal ledge extends approximately. ten feet
from the shoreline bank and drops off sharply into thechannel, as was the
case in detail A. There were, in contrast, no pioneering vegetative
growth among the rocks.
Sedentary species here were numerous and included mollusks, ascidians,
crustacea, barnacles (Balanus sp), and algae. Needlefish (Strongylura
notata), barracuda and tangs were found feeding among the rocks.
Flushing of the basin and its finger canals was better than might be
expected considering its layout and orinentation to wind patterns.
This might be attributable to stronger than average tides in the
surrounding waters. During the on-site inspection, an accumulation of
dead manatee grass (Syringoduim filiformis) was found at the end of
both basin finger canals.
As mentioned previously, the finger canal in detail A had a relatively
low turbidity level. It is interesting to note that in the finger canal
to the east (perimeter completely bulkheaded) the turbidity level increases.
Page (2)
r9Ofo
The immediate impact of the proposed project will be the reduction
of shore/water interface (i.e. a reduction in shoreline habitat) and the
loss of valuable shallow-water, littoral species of flora and f1auna.
Longer term impacts include the degradation of water quality due to the
loss of filtering organisms (e.g. accumulation of detrital and organic
debris on a naturally occurring shoreline providing nutrients for mangrove
growth (and thusly filtered) - as opposed to bacterial breakdown of these
same organics and their accumulation on the bottom of a vertically
bulkheaded canal, causing higher turbidity, increased nutrient levels,
a decrease in dissolved oxygen and an increase in biochemical oxygen
demand). A naturally vegetated shoreline also helps in filtering the
expected petroleum and heavy metal runoff from a campground/docking area.
The vertical bulkhead proposed would greatly reduce this capacity.
BE IT FURTHER RESOLVED, the above Biological Assessment has
been read into the Record and duly considered pursuant to Florida
Statute 253.124 by the Board of County Commissioners of Monroe
County, Florida, this 6th day of November, 1980 at a regularly
scheduled meeting.
BOARD OF COUNTY COMMISSIONERS
OF MONROE COUNTY, FLORIDA
By tfh*a~ ~
(SEAL)
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Page (3)
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. '~ PlAI111H1C.. nUILDING & ZONING UEP/\IUMENI
. "':"~'''''-~\ PERMIT APPLICATION FOR EXCAVATION, TUc-
- 'J DEPOSIT OF FILL. OR STRUCTURAL AC-Tl. _. __S
, ,:",~~~,~;/ IN TIIr WATERS -OR l~nL^N[)S OF-MONROE COUNTY
Tr-rr~JI)-t!-Y{Y -1)vltl~YI~ 'jd.m~H,~' IIldT1Tt'IY- ttJdl'~3" ;~)3 [llr11 H.' .-. ~!J.~J~~lj~I~0:J)2f!_g.r~IY1--
George B. Kyle - 8-80
~ Knights Key Campground
'v Knights Key . 3) Phone number
Marathon, Florida 33050 305/743-9994
MON~Or::
,COUNTY'
....
Contractor or agent s name, mal lng address
Paul C. Kenson, Jr. & Associates, Inc.
P. O. Box 92
Marathont Florida 33050
number
305/743-3585
5) legal description of property:
p;c I PZtI'Z-
Section, 8 & 17
Key~
KNIGHTS
Subdivision, Kni'Jht-c::: K~y Villag
Block,
Township,
66S
Lot, Part Govt. Ton+: ?
32E
(if acreage) .
6) Describe the proposed activity, methods of construction & amount of material, (in cubic
yards), to be excavated or discharged.
Street, road or mile marker, Kyle Way - Knights Key
Range,
See back of this sheet
volume of materia1:
. .9.Y'.f)!kJ.r;.'Jj..Qy..r;!.lYi).Jf~.d.
fJJJ..c.dJ..dc.p.o.sit.e.d.
o c.y. 0 c.y. 78 c.y. 394 C.y.
waterward landward waterward landward
of M.H.W. of M.H.W. of M.H.W. of M.H.W.
7) Name, address & zip code of adJoining property owners whose property affronts water way.
1. George E. Savant
4339 Hempstead Trnpk.
Farmingdale, N. Y. 11735
2. Knights Key Corporation
165 Maderia Avenue
Coral Gables, Florida 33134
This completed application form will be accompanied by the following, or it will
NOT be pr~cessed.
a) Two (2) sets of drawings, on 8 X 10~ paper, showing location, plot plan, top view
and cross section of proposal, drawn to scale.
b) Application processing fee as follows:
$25.00 for dredge, fill or structures on, or affronting natural bodies of water.
$10.00 for seawalls on man-made bodies of water.
$25.00 for any combination of above activities per site.
Application is hereby made for a permit to authorize the activities described herein.
I certify that I am familiar with the information contained in this application, and
to the best of my knowledge & belief such information is true,'complete & accurate.
I further certify that I possess the authority to undertake the proposed activities.
All provisions of laws and ordinances governing this type of work will be complied
with, whether specified herein or not. The granting of a permit does not presume to
give authority to violate or cancel the provisions of any county, state or federal law
regulating construction or performance of construction of this type of facility.
o'l- -,\6 \SyJ-:
3-/3-f'o
Date
!For Department
Person accepting application
~ ,.{Jo s 3...53-
Fee & receipt,
Approved by Assistant Director
ON (?V::...:, ~
CD
Cost of permi: Estimated cost of construction ~ !
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PROPOSED PROJECT:
Construct 1065 lineal feet of vertical concrete bulkhead resting on
natural limerock substrate at or about the mean high water mark. The
purpose of the project is to complete and protect existing campground
and marina. The bulkhead consists of concrete spread footing, 8"
masonry units with grouted cells and reinforcing bar and a concrete cap
tied back by deadman at 10 ft. on centers.
The concrete and masonry units will be brought to the site by flat-bed
and redi-mix truck. The fill required behind the bulkhead is already
stack-piled on the site and will be placed by truck and bulldozer.
The work area will be isolated by turbidity screen until after the
fill is in place. All work will take place from the upland.
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COUNTY OF t'\o..,e.olC. STATE O'L .
APN..ICATION BY "'_\.:l~"".b.'~Oc:.,IIX.
FI DATE 2..\'2,-
:JiG
~ERMIT
,
I
~~\.~_,.,~O~~~/' PLANNING, BUILDING & ZONING DEPARTMENT
~:;~~~~ .'.L'" PERHIT FOR EXCAVATION, THE DEPOSIT OF
\~ K '1/-' FILL, OR STRUCTURAL ACTIVITIES IN THE
::.......~~ WATERS OR WETLANDS OF MONROE COUNTY
1) Property ow~ers name & mailing address 2) Date FOR DEPARTMENT
George B. Kyle
Knights Key Campground
Knights Key
Marathon, Fl 33050
PERi'1IT
NO.
USE ONLY
Resolution No.
3) Phone number
(305) 743-9994
Date:
4) Contractor or agent's name, mailing address & phone number
Paul C. Kenson, Jr. & Assoc., Inc., P.O. Box 92, Marathon, Fl 33050
5) Legal description of property:
Section 8 & 17
Key
Knights
Subdivision Knights Key Village
Township 66S
Lot Part Govt. Lot 2
Block
Range
32E
Street, road or mile marker Kyle Way - Knights Key
Volume of material:
dredged/excavated
filled/deposited
c.y.
waterward
of M.H.H.
c.y.
landward
of H.H.W.
78 c.y.
waterward
of M.H.W.
394 c.y.
waterward
of M.H.W.
Cost of Permit
Estimated cost of Construction
Approved by
Chairman
BOARD OF COUNTY COHMISSIONERS
OF HONROE COUNTY, FLORIDA
Biologist Comments - Restrictions or Special Conditions if any:
"Ok to issue-J.C. On permit-about 1,065 linear feet of concrete seawall in man-made basin."
Copy in File
Date
Buildin:; Official
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