Resolution 105-1984
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RE$~CUtI~N N~.105-1984
IDHEREA$, the B~ARD ~f t~UNtg t~mmI$$I~NER$ ~f m~NR~E t~UNtg, fC~RIDA,
Has receiven an application from
James f. thaplin, ann
IDHEREA$, in compliance with $tate $tatute, it is necessarM as part of the
permitting procenure to rean the following Biological Assessment into the Recorn,
as follows:
The Applicant wishes to improve boat mooring facilities on two adjoining parcels of
land, one of which is to be developed residentially and one of which is to be deve2
loped commercially. The residential property will have a 127 ft, by 5 ft. (635 ft )
shoreline dock built along the edge of an existing canal front seawall, The dock
will span a shoreline shelf which prevents boats from being tied up directly to the
existing seawall.
On a second parcel of land, which directly adjoins the west side of the applicant's
residential property, a commercially oriented dockage facility is proposed. This
facility will consist of a 124 ft. concrete seawall, which will be built along the
edge of a canal. The seawall will be designed to allow for the operation of a fork
lift, which will be utilized for taking boats in and out of the water, A 15! ft,
wide area, which runs the length of the sh05eline (0.043 ac) will be filled when
the seawall is built, Approximately 100 yd of backfill wil13be placed in the wet-
lands behind the seawall. On the order of two-thirds (65! yd ) of the backfill wil~
be placed waterward of the mean high water (MEW) contour line and one-third (35! yd )
will be placed in wetlands landward of the MHW line.
A total of nine (9), perpendicular to shore boat slips, are proposed to be created
along the length of the seawall by placing mooring piles out in the canal, The slips
will come in two sizes with five (5) slips formed by six (6) piles placed on 12.5 ft,
centers, 15 ft, out from the eastern end of the seawall and four (4) slips formed by
five (5) piles on 15 ft. centers, 25 ft, out from the western end of the seawall.
The commercial docking facilities are a necessary part of a proposed dry storage fac-
ility and boat yard business planned for the commercially zoned property belonging
to the applicant.
The proposed shoreline dock will be supported by the existing seawall on the landward
side and a row of wooden piles on the waterward side. The proposed concrete seawall
will be poured in place and keyed into bedrock. All piles will be placed by using a
barge-mounted auger and pile drive, The necessary supplies will be brought to the
site over upland roads. Turbidity curtains will be used during all dredge and fill
activities to maintain water quality.
The project site is located at the eastern end of Boot Key Harbor, in the unincor-
porated city of Marathon on Vaca Key. General development in the vicinity of the
project site is highly diverse and includes a varied mixture of industrial, commer-
cial, residential and resort facilities.
The southern end of the east side of the applicant's property is bordered by a resi-
dental subdivision and the northern end is bordered by a lumber yard, A large tract
of undeveloped waterfront land borders the western side of the applicant's property,
The Overseas Highway (US l/SR 5) adjoins the north end of the project site, Much of
the property adjoining the highway, in the vicinity of the project site, has been
commercialized,
A canal borders the south end of the project site, Near the project site, the
canal connects to the eastern end of Boot Key Harbor. The canal continues to the
east of the site and has several branches. Use of the canal system varies from
residential docks for recreational boats to commercial dockage for a 80 ft. long head
boat. The shoreline on neither of the immediately adjacent properties is presently
used for boat dockage. Across the canal from the project site is the Sombrero Resort
which has a seawall and shoreline dock along the canal edge, The waters of Boot Key
Harbor and the connecting canals are designated as Class III waters (Chapters 17-3.081
and 17-3.161, Florida Administrative Code).
~esolution No. l~d4
, Page 2
As previously stated, the applicant's property consists fo two adjoining parcels of
land, The easternmost parcel is composed of lot 1,2 and 3 fo the Marameade sub-
division, which together form a l25 ft, by 230i ft, parcel of land, Virtually all
of the eastern parcel is presently uplands. At some time, apparently over 20 years
ago, this land was filled apparently in conjunction with the digging of the canal
which borders the property, Apparently prior to being filled, at least some of the
land was tidal wetland, Vegetation on the uplands consists of a mixture of Australian
pines and Brazilian pepper trees with a few buttonwood trees (Conocarpus erecta) near
the canal bank.
A vertical concrete block seawall runs the length of the shoreline of the eastern
parcel of land, The seawall has apparently been present for a number of years and
is showing signs of deterioration, At the foot of the seawall a 5! ft, wide lime-
stone shelf is found, The elevation of the shelf is approximately mean sea level
(MSL). Beyond the shoreline shelf, the bottom drops off vertically to the bottom of
the gO! ft, wide box cut canal.
Flora on the top of shallow shoreline shelf is primarily composed of a mixture of
Ectocarpus sp., Entermorpha sp, and b1uegreen algae mats, Prominent components of
the fauna in this same area include false ceriths (Batillaria minima), fuzzy chitons
(Acanthop1eura granulata) and paper oysters (Isognomon sp.)
The upper edge of the vertical canal wall is occupied by a biota which includes
tunicates, sponges, halothuroides, Halimeda sp. and turkey wings (Arca zebra).
The applicant's western parcel of land is, excluding a section of submerged baybottom
which extends into the canal, roughly rectangular. The long axis of the parcel runs
north and south for 700! ft, and the short axis is 120! feet, Once again, most of
the land consists of upland which was apparently created by filling wetlands with
crushed limestone. Vegetation on the uplands is dominated by pioneer shrubs and trees,
particularly several exotics. Part of the upland has been cleared recently,
The shoreline of the western parcel has not been protected from erosion by any struc-
tures. As a result, the shoreline consists of a limestone shelf, at an elevation of
approximately MSL, 5 to 10 ft. wide, with a steep slope of bare crushed rock rapidly
rising up to the adjacent uplands, Beyond the shelf the bottom, as on the eastern
parcel, drops virtually vertical to the canal floor.
The total width of the wetland area from the outer shelf edge back to the uplands runs
around 15 feet. Biota on the outer areas of the shelf is very similar to that already
described for the area at the base of the seawall on the eastern parcel. The higher
areas of the shoreline are vegetated by a mixture of red mangrove (Rhizophora mangle),
black mangrove (Avicennia germinans), white mangrove (Laguncularia racemosa) and button-
wood trees (Conocarpus erecta) up to 10! ft. tall,
Directly in front of the western parcel of the applicant's land, the canal which is
gO! ft, wide and runs more or less east and west to the east of the project site,
widens out to 200! ft, wide and bends sharply to the south. (See sheet 1 of 3 of the
application figures), As a result of this, any boat passing by the project site, must
make a sharp turn directly in front of it, particularly the western parcel. The pro-
ject site is on the outside of the turn that must be made.
The proposed work will cause elevated levels of dissolved organic compounds, particu-
late organic compounds and turbidity. The levels of these pollutants should subside
quickly once the work is completed. Proper use of turbidity curtains should be able
to control this impact within acceptable levels,
Construciton of the shoreline dock on the eastern parcel will result in a shift to
more shade tolerant vegetation under the dock, The relative lack of vegetation at
present in the effected area, combined with the east-west orientation of the dock,
will tend to limit the severity of this impact.
The proposed seawall on the western secti~n of the applicant's shoreline will result
in ther permanent elimination of l860i ft of littoral zone wetlands. With the loss
of the wetlands will be the loss of their functions of primary production, habitat,
pollution filtration and sediment stabilization. In the case of the project site,
these functions are relatively well represented, The seawall will replace the func-
tion of sediment stabilization.
The proposed boat dockage, which between the two facilities, will be able to accommo-
date 10 to 12 boats, will result in a long term increase in concentrations of toxic
metals, hydrocarbons, organic nutrients, detergents and miscellaneous debris in the
waters near the project site. The slip on the commercial (western) section of the
shoreline will undoubtedly have a much larger impact than the residential slips, The
very poorly designed canal in which the project site is located is undoubtedly already
suffering from poor water quality.
Resolution No. .l'jd4
page 3
The proposed dockage facility on the western end of the applicant's shoreline will
tend to obstruct over 25 ft. of the width of the canal on which the project site is
located, Although the canal is fairly wide at this point, the obstruction may have
an effect on the ability of other users of the canal to safely navigate past the pro-
j ect site,
The shoreline dock on the eastern parcel of the applicant's property is authorized
by Chapter 17-4.04(9)(c), Florida Administrative Code (F.A,C,). Under the provis-
ions of Chapters 253 and 403, Florida Statutes and Chapters 17-3 and 17-4, F,A.C.,
I recommend the proposed work on the western parcel be granted Departmental permitt-
ing authorization, if the following modifications are incorporated into the plans.
1, Grade the uplands near the seawall away from the shoreline toward the uplands,
such that storm water is retained on the applicant's property,
2, Obtain a supply of oil spill containment materials and maintain them on site.
3. Have the applicant advertise the plans to build the proposed facility, in a
local newspaper, such that other users of the canal will be able to comment on
the effect of the project on navigation through the canal,
BE !~ RE$~C~ED BY ~HE B~ARD ~F C~llN~Y C~mm!$$!~NER$ ~F m~NR~E C~llN~Y, FC~R!DA,
that the above Biological Assessment a-s been reaD into the recorD anD Duly consiDereD
pursuant to FloriDa $tatute 253.124 by the BoarD of County Commissioners of ffianroe
County, FloriDa, this 6 th Day of
scheDuleD meeting.
April
, 19 84
at a regularly
B~AR~ ~F C~UNtY C~mm!$$I~NER$ ~F
m~NR~E C~llN FC~R!DA
_0~~~
lllAY~R
By
($ea 1)
Attest:
DANNY L, KOLHAGE, Clerk
~'~J . (,
Cucien c. Pro y
County Attorney
,
{30Sl 294-4641
BOARD OF COUNTY COMMISSIONERS
Wilhelmina Harvey. District 1
Ed Swift, District 2
MA YOR Jerry Hernandez, District 3
Alison Fahrer, District 4
Mayor Pro tem Ken Sorensen, District 5
OK~V~r: ~R~~'~04~E
Lucien C. Proby,
County Attorney
310 Fleming Street
Key West, Florida 33040
I, the undersigned, do hereby attest that all data
and information is complete in the package of the applicant
as follows:
1.
County Biologist Report
./
2.
Resolution (James F. Chaplin)
v
V'
3.
Permit
4.
Application for Permit - Seawall, Wharf,
Marring Piles
/
~
5.
Site Plan
V'
6.
Location Map
7.
DER Asses~ment
Date
3 -/9-p1
v'"
BYl/Y} ..W~
MEMORANDUM
Date:
March 5, 1984
To:
Dr. Jeffrey M. Doyle, Director
Andy Hooten, Biologist a,~~
James F. Chaplin, Seawall, Wharf, Mooring Piles
From:
Subject:
Legal
A 122 foot strip of land in a part of Government
lots 1 and 2, Section 10, Township 66 South,
Range 32 East, being more particularly described
by metes and bounds, plus lots 1, 2, and 3,
Marmeade Subdivision, PB 3-185, Key Vaca, Monroe
County, Florida. Zoned RU-3, BU-2U.
Introduction
This application, for the placement of 40 cubic yards of fill below
the mean high water, is to be reviewed by the Monroe County Commission
pursuant to Section 19-111 (a)(5) of the Monroe County Code,
Project and Site Description
The applicant proposes to construct a vertical concrete bulkhead
along 122 ft of shoreline abutting Boot Key Harborwithassoctated
backfill to the bulkhead line. Also, the applicant proposes to con-
struct 125 ft of wharf adjacent to the seawall. This activity is pro-
posed so that a dry boat storage operation can be established along Boot
Key Harbor. The seawall is proposed so that fork lifts can operate at
the water's edge. The wharf is proposed so that mooring facilities can
be provided for a i'future residential development on the adjacent upland."
(taken from application remarks)
The parcels are located between U.S.l and Boot Key Harbor. The
property has experienced past alteration as it is presently dominated by
Australian Pines (Casuarina sp.), an indicator of disturbed sites. The
shoreline possesses numerous clumps of vegetation. Biota observed along
the shoreline and intertidal/subtidal area is as follows:
Buttonwood, Black, White and Red Mangroves, Australian Pine, Sea ox-
eye daisy, Chitons, Operculate gastropods,unidentified mussels, Halimeda,
sponges and juvenile mojarra and si1versides.
March 5,
Dr. Jeff
James F.
Page two
1984
,
Doyle, Director
Chaplin, Seawall, Wharf, Mooring Piles
Evaluation
The proposed activity will result in the elimination of all shoreline
and intertidal biota along the seawall area. The proposed wharf would re-
sult in shoreline vegetation elimination but the intertidal area would not
be eliminated.
The paucity of vegetation along the shoreline suggests that its role
as a pollutant filter is minimal; however, many small schools of juvenile
fish (unidentified) were observed utilizing the subtidal shelf.
Although the immediate area would be altered by bulkhead construction,
long term benefits of increased storage space for dry docking vessels could
eliminate proposals for additional docks in the area, thereby minimizing
cumulative impact on a larger scale. While this proposal will result in
the elimination of biota, it is not inconsistent with the management
policies set forth in the Monroe Gounty Coastal Zone Protection and Con-
servation Element.
Recommendation:
Approval: Turbidity screens should be utilized during backfilling
operations.
AA/d
PERMIT
MONROE
COUNTY
~
.
PLANNING, BUILDING & ZONING DEPARTMENT
PERMIT FOR EXCAVATION. THE DEPOSIT OF
FILL. OR STRUCTURAL ACTIVITIES IN THE
WATERS OR WETLANDS OF MONROE COUNTY
PERMIT
NO.
1) Property owners name & mailing address
James F. Chaplin
5190 Overseas Hwy
Marathon, F1 33050
2) Date
12-19-83
FOR DEPARTMENT USE ONLY
3) Phone number
(305) 743-9424 Date:
Resolution No.
4) Contractor or agent's name, mailing address & phone number
Glen Boe
Design Management Associates, Inc.
P.O. Box 3406, Marathon Shores, F1 33052
(305) 743-9121
5) Legal description of property: RE: 10309-001
RE:10309-002
Section
10
Key
Boot
Subdivision
See attached Legal
Township T66S
Lot
Block
Range
R32E
Street, road or mile marker
u.S. 1 & 47th St., Ocean
. Volume of material:
dredged/excavated
filled/deposited
c.y.
waterward
of M.H. W.
ZONING: HU-3, BU-2U
PURPOSE:
c.y.
landward
ofM.H.W.
40 c.y.
waterward
ofM.H.W.
20 c.y.
landward
ofM.H.W.
Cost of Permit
Estimated cost of Construction
Biologist Comments. Restrictions or Special Conditions if any:
APPROVAL
Turbidity screens should be utilized during backfilling operations,
Jeffrey M. Doyle, Director
BUilding, Planning, & Zoning
---
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...........
PLA.\'~I!\:(;, HLJ! 1.'1' ~(; ..... ZONIN(; DEPAHT:v1ENT PE1C\tIT APPLICATION FO!
EXCA VA'1'1O:.[, Tlii'; nl';I'OSlT Ol,' FILL, C ~ STHUCTUHAL ACTIVITIES IN THl
Wi\TI'~W'; , ,It WI.;TLA "IJ!)S OF MONHOJo; COUNTY.
'I p~o::::: 0; ~.,~ ~~~.1 <~ ~ ,,, il; ng "dd;;'~~~-- -- -- -- [- -t; I )" ,-;;---~- r :II Phnno num 1.>,
5190 Overseas Hwy. i 12/19/83 I (305) 743-9424
Marathor:!, FL 33050 .__.-1.____.._..____[
4) Contractor or agt'llt's IWIIII', fI111ilill~~ addn.ss, pholl" & l'l'rl.ific;tlillll IlUIlllH'r.
Glen Boe 17300
DESIGN MANAGEMENT ASSOCIATES, INC.
P. O. Box 3406, Marathon Shores, FL 33052 (305) 743-9121
[j) !_t'L'"al de::lcription of property: /'t-' / 0 ~' i~ (! - C 0/
" \~-. ~
/('c-: /0.:/0 '7 - 0 {;) L.
Section, --1L_
Hllnge,
T665
R32E
-~-_._-_. ~-
Key, ,EO.O.t _Un. Suhdivisioll, _5.e e~it.a cbe.cL~a 1 de s c r i i
Lot, '____'_.nn._. Block, ... _... '_
':'(lwnship.
(if acreage)
Stn'('t, road or lllill'lll;,rk,'r. __ U.,S.
l .&.4 7Jh .s.t._...~__Qc~ n
Zoning,
RU-3.
I:3U-2U
-------------------- ----.._-
6) Describe the proposed activity, methods of construction & amount of material (in cubic yards) to be excavated or
discharged. Describe purpOse & intended use of project.
--------- ------.- .--- ----------- -----.. -----
See attached Remarks
~ --:
volume of
material
dr~dged/e~(;iJ.Y:!!.tll9"
o 0
--- c.y. c.y.
waterward landward
of M.H.W. of M.H.W.
illed@eposited
.y. 20 c.y.
landward
of M.H.W.
7) Name, address & zip code of adjoining property owners whose property affronts water way;
(1) Allen P. Poole (2) GREAT ADVENTURE, INC.
4749 Clifton Road c/o Jack L. Simmons, P. O. Box 457
Marlo Heights, MD 20031 Boerne, TX 78006
------------.-.----------- _._-.---
8 al List other permits issued and/or applied for, include app~icallt's nanH', for this site:
N/A
hI If application has been submitted for t'1is project (or one similar) in the past, explain reason for new application
a:ld give applicant's name if different. from current applicant.
N/A
9) List all Federal and State agencies that have receiVt!l. applicutions for tl,is project.
State of Florida D.E.R.
U. S. Army Corps of Engineers
This completed application form will 1)1' accompanied by the
followinv, or it wUJ NOT I, ')rocessed.
a) Two (2) sets r>f drawings. on 8 \11 x 11 p<!per, showin::~ location, plot plan, top vil'w ~Ind cross section d proposal.
drawn to seuiC.
L) Application processing fee as follows:
, $75.00 for dredge. fill, docks OR any struct~res allronting Iwt11"a] water hodies.
830.00 fo!' ve!'<:':al se"lal'" Oil r~lI1"mllde bodies of W:t~cr.
$75.00 for an,} combination ',f the above activitit.~ per s;tp.
----.-- ~ ---- -------.- -. -.-.- . ------ ---~ -
Application is l1e:'(::,y made fo~ k.; 'l/'rmit to authoriw the lIcU'..;!.i.., tlt'scribe. hen"I'. I'~rtify that 1 am familiar
wi, II tht. i"foP"'tltion contained in ;lis' 'l;>licatiqn, and t/ ',)1(' "'<.;' ,f my knowle(;i'" & clief such informatior. is
true. con. ":.c & -accurate. I further cer nfy thaL I possess the authority to unc.erta>, ~he proposed activities. All
provi~tons '_: 1a":,,s and orcinanccs governing this type of work will Ill' comp' -,'d with whether sr.-I" "ied herein or not.
The grantin'l' Jf a permit does not presume to give uuth01'ity Lo violate or l'<tncpl the PI' 'isiolis 0: ~y county. state
or feeeralluw regu'<.lting constrUC'.ion or performance 'If COlIstPlcli'l/l 'Jf t.his typP 01' xi~<v.
-7~J ~;L'.'
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..~~.---_. L<:,:!..!:j!!. _.~/~-.:( ~~__ ~ ...)0 y h
Sign-at~'pi; of ;':lpJic;.!nt!ag""'~ Dute
-- --- ---.--------
Person accepting application ,r.:t Date
DEe 1 9 1983
-----------
'!'? s, ~~. #0'1. ( (; .)--3
Fee 8< receipt
------.--------..- -- -~- -- ------
_F.!)~Departm~.lll.~~0J!tvL
_ e, K.
ApproVl'd hy \s,<'t Director
------------ ------
Cost of lll'r/lliL
,.>,tllllat.l'd Cosf of cOllstruction
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JAMES F. CHAPLIN
SEAWALL, WHARF & MOORING PILES
REMARKS
The applicant owns two adjoining parcels of vacant property which
front on Boot Key Harbor. The westerly parcel is 122 ft wide and
is zoned BU-2U (Commercial Marina). The easterly parcel is 125
ft wide and is zoned RU-3 (Multifamily Residential).
On the easterly parcel, the applicant wishes to develop a dry
boat storage facility and marine-oriented business complex. To
complement this facility, he needs a seawall and cap which can
support a fork lift for placing boats into the water. Mooring
piles will allow docking of boats using the storage, repair and
other marine-oriented facilities on the upland. The shoreline
is rock and was blasted and dredged when the harbor was devel-
oped. The proposed seawall needs to be placed near the rocky
edge to enable boats to be launched and recovered by a fork lift.
The seawall will be backfilled with crushed limerock.
A concrete block seawall exists along the shoreline of the east-
erly parcel. This seawall is set back from the rock edge and
boats cannot dock along the wall. The applicant wishes to con-
struct a wood pile-supported marginal wharf along this shoreline.
The wharf will be used as a docking facility for a future residen-
tial development on the idjacent upland.
All materials and equipment for this project will be brought to
the site over existing paved roads. Mooring piles and support
piles for the wharf will be installed by a barge-mounted auger
and pile driver.
TurLidity curtains will be deployed along the shoreline prior to
construction and will remain in place until after any turbidity
generated by the project has subsided. Alignment of the proposed
seawall has been staked on the property.
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Architects [] Engineers 0 PlAnners
'0 lJo'! 1406 .1'.1.Ir..rhnn <;hort'~, Flnri,!.. 110~"',lMl'
DEPARTMENT OF ENVIRONMENTAL REGULATION
PEro1IT APPLICATION APPRAISAL
~~@
C1D
File No.: 440801045
County:
Monroe
Date: 2-1-84
Applicant Name:
Jumes F. Chuplin
Address:
590 Overseas Hiqhway, Marathon: FL 33050
Agent (if applicable): Glen Boc, Design Management Associates, Inc.
Address: PO Box 3406, Marathon Shores, FL 33052
Location of project: Section(s)
Section (s )
10
Township
Township
665 Range 32E
Range
Local Reference: Vaca Key
Water Body: Boot Key Harbor
III Adjacent Waters:
III
Water Classification of Project Area:
Aquatic Preserve: None
Outstanding Florida Waters:
None
On site inspection by:
David Bishof
Date of Inspection:
1-19-84
original Application: Yes X No
Date of 2nd Insp.
\ '
Revised Application: Yes No
Date:
Biological and Water Qua~ity Assessment
A. Description of proposed project and construction techniques.
Quantify area of project which extends into waters of the state
(including the submerged lands of those waters and the transi-
tional zone of the submerged land) as defined in Section 17-4.02
and Section 17-4.,28, Florida Administrative Code.
B. Biophysical features of general area. Include comments concerning
extent of development of adjoining properties as well as relevant
historical facts about the area.
C. Biophysical features of specific project site and spoil site if
applicable. Include identification of bottom types and any
relevant historical facts about the area of the project.
.
D. Potential impact of project on biological resources and water
quality. Address long-term impact as well as immediate impact
for all aspects of the project.
E. Suggestions, where appropriate, for modifications that may reduce I
or minimize the potential impact of project.
PERM l6-l0(Rev.6/79)
CHAPLIN, JAMES F.
#440801045
Monroe County - Marathon
Page Two
A. The applicant wishes to improve boat mooring facilities
on-two adjoining parcels of land, one of which is to be
developed residentially and one of which is to be
developed commercially. The residential property will
have a 127 ft. by 5 ft. (635 ft2) shoreline dock built
along the edge of an existing canal front seawall. The
dock will span a shoreline shelf which prevents boats
from being tied up directly to the existing seawall.
On a second parcel of land, which directly adjoins the
west side of the applicant's residential property, a
commercially oriented dockage facility is proposed.
This facility will consist of a 124 ft. concrete sea-
wall, which will be built along the edge of a canal.
The seawall will be designed to allow for the operation
of a fork lift, which will be utilized for taking boats
in and out of the water. A 15+ ft. wide area, which runs
the length of the shoreline (0~043 ac) will be filled
when the seawall is built. Approximately 100 yd3 of
backfill will be placed in the wetlands behind the seawall.
On the order of two-thirds (65+ yd3) of the backfill will
be placed waterward of the3mean high water (MHW) contour
line and one-third (35+ yd ) will be placed in.wetlands
landward of the MHW line.
A total of nine (9), perpendicular to shore boat slips,
are proposed to be created along the length of the seawall
by placing mooring piles out in the canal. The slips will
come in two siz9s with five (5) slips formed by ~ix (6)
piles placed on 12.5 ft. cent~rs, 15 ft. out from the
eastern end of the seawall and four (4) slips formed by
five (5) piles on 15 ft. centers, 25 ft. out from the
western end of the seawall.
The commercial docking facilities are a necessary part of
a proposed dry storage facility and boat yard business
planned for the commercially zoned property belonging to
the applicant.
The proposed shoreline dock will be supported by the
existing seawall 0'1 the landward side and a row of wooden
piles on the watcrwurd side. The proposed concrete sea-
wall will be poured in place and keyed into bedrock. All
piles will be placed by using a barge-mounted auger and
pile drive. The npcessary supplies will be brought to the
site over upland roads. Turbidity curtains will be used
during all dredge and fill activities to maintain water
quality.
i: '~J
CHAPLIN, JAMES F.
#440801045
Monroe County - Marathon
Page Three
B. The project site is located at the eastern end of Boot Key
Harbor, in the unilll:orporated city of Marathon on Vaca Key.
General development in the vicinity of t.he project site is
highly diverse and includes a varied mixture of industrial,
commercial, residential and resort facilities.
The southern cnd of the east side of the applicant's property
is bordered by a residential subdivision and the northern end
is bordered by a lumber yard. A large tract of undeveloped
waterfront land borders the western side of the applicant's
property. The Overseas Highway (US l/SR 5) adjoins the
north end of the project site. Much of the property adjoin-
ing the highway, in the vicinity of the project site, has been
commercialized.
A canal borders the south cnd of the project site. Near the
project site, the canal connects to the eastern end of Boot
Key Harbor. The canal continues to the east of the site
and has several branches. Use of the canal system varies
from residential docks for recreational boats to commercipl
dockage for a 80 ft~ long head boat. The shoreline on
neither of the immediately adjacent properties is presently
used for boat dockage. Across the canal from the project site
is the Sombrero Resort which has a seawall and shoreline dock
along the canal edge. The waters of Boot Key Harbor and the
connecting canals are designated as Class III waters (Chapters
17-3.081 and 17-3.161, Florida Administrative Code).
C. As previously stated, the applicant's property consists of two
adjoining parcels of land. The easternmost parcel is composed
of lot 1,2 and 3 of the Marumeude subdivision, which together
form a 125. ft. by 230+ ft. parcel of land. Virtually all of
the eastern parcel is-presently uplands. At some time,
apparently over 20 years ago, this land was filled apparentl~
in conjunction with the digging of the canal which borders
the property. Apparently prior to being filled, at least
some of the lund Wus tidal wetland. Vegetation on the up-
lands consists of a mixture of Australiun pines and
Brazilian pepper trees with a few buttonwood trees (Conocarpus
erecta) near the canal bank.
A vertical concrete block seawall runs the length of the
shoreline of the eastern pureel of land. The seawall has
apparently been present for a number of years and is showing
signs of deterior~tion. At the foot of the seawall a 5+ ft.
wide limestone sheli is found. The elevation of the shelf
is approximately mean sea level (MSL). Beyond the shoreline
shelf, the bottom drops off verticully to the bottom of the
90+ ft. wide box cut cunal.
.It ~,;t! ~~L,;,
CHAPLIN, JAMES F.
#440801045
Monroe County - Marathon
Page Four
Flora on the top of shallow shoreline shelf is primarily
composed of a mixture of Ectocarpus sp., Enteromorpha sp.
and bluegreen algae mats. Promhnent components of the
fauna in this same area include false ceriths (Batillaria
minima), fuzzy chi tons (Acanthopleura granulata) and paper
oysters (Isognomon sp.) .
The upper edge of the vertical canal wall is occupied by a
biota which includes tunicates, sponges, halothuroides,
Halimeda sp. and turkey wings (Area zebra).
~
J
,.
I
The applicant's western parcel of land is, excluding a
section of submerged baybottom which extends into the canal,
roughly rectangular. The long axis of the parcel runs north
and south for 700+ ft. and the short axis is 120+ feet.
Once again, most of the land consists of upland which was
apparently created by filling wetlands with crushed limestone.
Vegetation on the uplands is dominated by pioneer shrubs and
trees, particularly several exotics. Part of the upland has
been cleared recently.
The shoreline of the western parcel has not been protected
from erosion by any structures. As a result, the shoreline
consists of a limestone shelf, at an elevation of approximately
MSL, 5 to 10 ft. wide, with a steep slope of bare crushed rock
rapidly rising up to the adjacent uplands. Beyond the shelf
the bottom, as on the eastern parcel, drops vi~tually vertical
to the canal floor.
The total width of the wetlan& area from the outer' shelf edge
back to the uplands runs around 15 feet. Biota on the outer
areas of the shelf is very similar to that already described
for the area at the base of the seawall on the eastern parcel.
The higher areas of the shoreline are vegetated by a mixture
of red mangrove (Rhizophora mangle), black mangrove (Avicennia
germinans),white mangrove (Laguncularia racemosa) and button-
wood trees (Conocarpus erecta) up to 10+ ft. tall.
Directly in front of the western parcel of the applicant's
land, the canal which is 90+ ft. wide and runs more or less
east and west to the east of the project site, widens out to
200+ ft. wide and bends sharply to the south. (See sheet 1
of 3 of the application figures). As'a result of this, any
boat passing by the project site, must make a sharp turn
directly in front qf it, particularly the western parcel.
The project site is on the outside of the turn that must be
made.
CHAPLIN, JAMES F.
#440801045
Monroe County - Marathon
Page Five
D. The proposed work will cause elevated levels of dissolved
organic compounds, particulate organic compounds and
turbidity. The levels of these ~ollutants should subside
quickly once the work is completed. Proper use of turbidity
curtains should be able to control this impact within
acceptable levels.
Construction of the shoreline dock on the eastern parcel will
result in a shift to more shade tolerant vegetation under
the dock. The relative lack of vegetation at present in the
effected area, combi~ed with the east-west orientation of the
dock, will tend to limit the severity of this impact.
The proposed seawall on the western section of the applicant's
sh~reline will result in the permanent elimination of l860~
ft of littoral Zone wetlands. With the loss of the wetlands
will be the loss of their functions of primary production,
habitat, pollution filtration ilnd sediment stabilization.
In the case of the project site, these functions are rela-
tively well represented. The seawall will replace the function
of sediment stabilization.
The proposed boat dockage, which between the tWb facilities,
will be able to accommodate 10 to 12 boats, will result in a
long term increase in concentrations of toxic metals, hydro-
carbons, organic nutrients, detergents and miscellaneous
debris in the waters near the project site. . The slip on
the commercial (western) section of the shoreline will un-
doubtedly have a much larger impact than the residential
slips. The very poorly desighcd canal in which the project
site is located is undoubtedly already SUffering from poor
water quality.
The proposed dockage facility on the western end of the
applicant's shoreline will tend to obstruct over 25 ft. of
the width of the canal on Which the project site is located.
Although the canal is fairly wide at this point, the Obstruc-
tion may have an effect on the ability of other users of
the canal to safely navigate past the project site.
. ~'I' .
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CHAPLIN, JAMES F.
##440801045
Monroe County - Marathon
Page Six
E. The shoreline dock on the eastern parcel of the applicant's
property is authorized by Chapter 17-4.04(9) (c), Florida
Administrative Code (F.A.C.). Under the provisions of
Chapters 253 and 403, Florida Statutes and Chapters 17-3
and 17-4, F.A.C., I recommend the proposed work on the
western parcel be qranted Departmental permitting author-
ization, if the following modifications are incorporated
into the plans.
1. Grade the uplands near the seawall away from the shore-
line toward the uplands, such that storm water is
retain~d on the applicant's property.
2. Obtain a SUpply of oil spill containment materials and
maintain them on site.
3. Have the applicant advertise the plans to build the pro-
posed facility, in a local newspaper, such that other
users of the canal will be able to comment on the effect
of the project on navigation through the canal.
-.
SPEC.
READ:
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