Resolution 242-1981
_..
RESOLUTlmJ ~o. 242-1931
t-vFEREAS, the BOARD OF COUNTY CmlMISS lONERS OF ~1001ROE COUNTY,
FLORIDA, has received an application from
M,K. Al-Chokhachy
and
WHEREAS, in compliance with State Statute, it is necessary
as part of the permittins procedure to read the following Biological
Assessment into the Record, as follows:
The Applicant proposed to construct a dock and revetment along his
Duck Key (Center Island) property shoreline. The proposed dock struc-
ture will consist of a 30 ft. wide (parallel to shoreline) by 15 ft.
long predominantly "upland platform with a 4 ft. wide by 40 ft. long
waterward arm extending from said platform's approximate middle. This
dock structure will be situated on the property's northeastern corner,
constructed of wooden decking materials, elevated on concrete support
pilin0s (1+ ft. above the water surface, MHW) and equipped with two
boat mooring pilings on its eastward side (13+ ft. from dock extension
arm and 30+ ft. apart). The proposed revetment structure will be
constructed of upspecified-size, Key Largo limestone boulder riprap
materials. It will entail the deposition of 40+ cu. yds. of said rip-
rap materials (10+ c.y. waterward of MHW; 30+ c~y. landward of MHW)
along the entire 75 ft. property shoreline between the +1.0 ft. and
-2.5 ft. (MSL) elevations and upon an existing rip rap revetment which
has subsided considerably since its original construction. The appli-
cant ~tates that all pilings and riprap materials will be placed from
the applicant's adjacent shoreline property. Turbidity screens will
be employed during construction activities, if required.
The applicant's property is located along the northeaster Duck Key
shoreline in middle Monroe County, Florida. At present, approximately
50 percent of Duck Key is developed with single family residences
(S.F.R.'s) and various supportive facilities (ie, roadways, restau-
rants, marinas, motels stores, recreational, etc.) Although some 10
percent; Duck Key shoreline areas have been artificially created, this
particular shoreline area is situated in a natural corner of Tom's
Harbor waters. Tom's Harbor waters are Florida State Class III waters
as defined in Section 17-3,081 (F.A.C.). The majority of the existing
residences within this area are equipped with some type of shoreline
bulkheading and/or boating access facilites.
The applicants's property consists of an average-sized (0.26 acres)
residential lot bordered to the west by an existing SFR, to the east
by a similar undeveloped lot, to the south by Bimini Drive roadway and
to the north by Tom's Harbor waters. The westerly adjacent S.F.R.
property is totally cleared, filled with pea gravel and landscaped
with palms, seagrapes, bay cedar and assorted trypical exotics. It is
also equipped with concrete shoreline seawall, dock and boat launching
ramp facilities.
Undeveloped upland property areas (both the applicant's and the easterly
adjacent properties) have all been previously cleared, filled and are
presently vegetated with isolated palms, Casurina spp, pines and
secondary growths of various pioneer shrubs and grasses. Undeveloped
natural shoreline areas have all been previously bulkheaded by a vary-
ing-sized riprap revetment which is presently in various staqes of dis-
repair.
The proposed project area consists of the applicant's property shore-
line areas and adjacent submerged lands. The applicant's property
shoreline areas are presently bounded by a 25+ ft. wide transitional
area dominated by buttonwood (Conocar~us erectus) and sea purslane
(Sesuviu~ spp.) growths. Much or this area is presently disturbed by
miscellaneous fill material deposits, construction rubble and land
clearing debris, The property shoreline proper contains an old rip rap
revetment which is presently in various stage of disrepair. MediuD
heavy detrital accumulations were observed throughout this shoreline
area both within said revetment and upon adjacent submerged lanes,
Inshore submerqent areas (to 10+ ft from the existing shoreline) are
presently disturbed both by the-aforementioned detrital accumulations
and a relatively large amount of displaced, small diameter, riprap
waterials. Inshore vegetation consists primarily of representative
species of all algae types (especially greens). Inshore fauna observed
included hermit crabs, Calinectes spp. crabs, sea hares and unidentified
juvenile fish. Offshore submergent areas (beyond 20+ ft. from the
existinq shoreline) may be characterized as shallow, of excellent
quality and vegetated by varying-sized lush Thalassia spp. seagrass beds
interspersed with firm, open, sandy/shell bottom areas. Offshore fauna
observed included Siderastrea spp. hard corals, sponges and several
locally common species of fish (needlefish, grunts, mojarra and pinfish) .
Water depth in this increased gradually with increasing distance from
the existing shoreline to a maximum measured depth within the project
area of 3+ ft (MLW).
Negative environmental impacts may be expected to occur from this pro-
ject over both the short and long time periods. Short-terms or con-
struction-related impacts will result primarily from the removal and
loss of an unspecified amount of transitional and littoral vegetation
presently growing within the proposed dock platform and revetment place-
ment areas. Additional short-term impacts may be expected from turbi-
dity raiseG during dock piling placement activities. Moreover, due to
the s~allow water depths within this area such siltation impacts may
be eXtended over the longer time period ,as a result of boat motor
"prop scouring" impacts. ,I
Longer term impacts may be expected both from said dock's "shadowing
effect" upon adjacent seagrass beds and from hydrocarbon discharges
into state waters from boat motor operation and maintenance procedures.
However, both the limited size (160+ sq. ft. over-water surface area)
and proposed use (ie, single residence) of said,dock facility suggest
that neither of these latter two projected impacts will prove signifi-
cant in this instance.
Beneficial project impacts are anticipated from the expected increases
in shoreline stability and littoral habitat area resulting from the
proposed riprap revetment structure.
BE IT RESOLVED BY THE BOARD OF COUNTY COMMISSIONERS OF MONROE
COUNTY, FLORIDA, that the above Biological Assessment has been
read into the record and duly considered pursuant to Florida Statute
253.124 by the Board of County COIT~issioners of Monroe County, Florida,
11th August 81
this day of , 19 at a regularly
scheduled meeting.
BOARD OF COUNTY COMMISSIONERS OF
MONR?:NTY' FLORIDA .
:~ '> 17 /J /J
By .-e Co. G. It....../ ,-t::"tc//
".'>:;,.': ~H" ,!-~ay()r ,I)
(Seal)
DA'Lnu U~ l;'~r1"f CLERK
Attest M rn n. UUU-t
~ \M~IV\ V~ ,0('. .
CJ ~ Clerk
APPROVED AS TO FORM
AND LEGAL SUFFICIENcY
BY
Attornrl_ Offic,-
.BO~RD'OF COYNTY COMMISSIONERS
Wilhelmina Harvey, District 1
Curt Blair, District 2
Mayor Protem Jerry Hernandez, Jr., District 3
MAYOR George E. Dolezal, District 4 .
Ken Sorensen, District 5
,....---
(305) 294.4641
Monroe County Legal Department
Key West, Florida 33040
'-
v
Ort"II...C vr:
Henry F. Weinkam, Director
Building, Planning & Zoninc
P.O, BOX Room 216 Wing II
Public Service Building
.StOCk Island, Fla.
,~ . 33040
. .
,...o!)O_~t:
I, the undersigned, do hereby attest that all date
and information is complete in the package of the applicant
as follows:
~~~M::' ";-1': fj ,T~' .
~~ r-'j ~ ;~r "' tt-
11)
I
I
PLANNING, BUILDING & ZONING DEPARTNENT
PEr~IIT FOR EXCAVATION, THE DEPOSIT OF
FILL, OR STRUCTURAL ACTIVITIES IN THE
WATERS OR WETLANDS OF MONROE COUNTY
Property Olvuers name & mailing address 2) Date FOR DEPARTIfENT
Mar. 17, 1981
MON~CE
COUNTY
PEm-fIT
NO.
USE ONLY
.M.K. AL-Chokhachy
Ruffini Terrace
Plymouth, Mass. 02360
3) Phone number
( 617
746-6660
Resolution No.
Date:
4) Contractor or agent's name, mailing address & phone number
Timm L. Reed, Horizon Cons luting
Route 1 Box 948
Marathon, Florida 33050 (305) 743-4667
I 5) Legal description of property:
Section
20
Key Duck Key
Subdivision Center Island
TOl.'Ilship 658
Lot 4
Block
1
Range
34 E
Street, road or mile marker
Bimini Drive
Zonin RU-l-M
Volume of material:
dredged/excavaced
filled deposited
c.y,
waterward
of M.H.H.
c.y.
landward
of H.H,t<J,
+ 10 c.y. + 30 c,y.
waterward landward
of M.H.W. of M,H.H.
ZONING: RU-l-M,
PURPOSE:
Cost of Permit
Estimated cost of Construction
Approved by
Chairman
BOARD OF COmITY CmI!'HSSIONERS
OF MONROE COUNTY, FLORIDA
Biologist Comments - Restrictions or Special Conditions if any:
CODV in File
Date
Building Otrici21
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,:'1.;\i!D OF
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!'roperty owners
Harle
F.. ~T1;1 L 1 L 1\ l'
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\ 617/746-6660
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M.K, Al-Chokhachy.!
Ruffini Terrace
Plymouth, Mass. 02360
3/27/81
r.ont:r."lc~or or t1~cnt'!' name. ~:1ilinr. address, ~hone f( cert:!.:ic3tian !1tlMber,
Timm L. Reed, Horizon Consulting
Route 1 Box 948
Marathon, FL 33050 305/743-4667
T,,, ~:1 1 d C" c r i :> t i 0 n (I f I' r 0 r crt y :
Section.
20
65S
Key. Duck Key
Suhdivision, Center Island
':' (" 1 n $:\ i p ,
tot,
_ 4
~\lock,
1
~an~e, 14F:
(if ~crear.e)
Street, road or nile marker, Bimini Drive
~oninr.,
RU-l-M
'\ Des c rib e t 11 e pro p 0 sed n c t i v i t y, Met h 0 tl S 0 f can s t r tet ion & i1 m 0 \1 n t 0 f m i1 t e ria 1
(in cuhic ~'arns),. to l)cexcav,1.tecl ar discharf':rof1. J'erlcribc purpose & intenrled
\I sea f pro j c ct. Coral rip-rap to be added to existing rip-rap revetment which has
subsided. Construction of wood dock supported upon concrete pilings placed from shore.
Two mooring pilings placed adjacent to dock,
drc~~ed/cxc"vated
filled/cc!1osited
adclreS3 [.
c.y. c.v.
'''.;l t (1 r I r ,1 (' cl ' "1 ~ n d If ~ r d J
o L : . 1I. ~. (l f '!. IL-L' .
zip code of ndiolnin~ ~ropcrty
:r 10 c.y.
'J Cl c 8 r H .r r, d
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1: 30 c . v .
6 ~,r.(~ Fa iO
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alurne of material:
\: ;! me,
',' ate r
ol\'ners
whORe prop~~ty affronts
''''lY.
Robert Baime
310 South Street
Morristown, NJ 07960
issued .~nd/or
Dennis Tepperman,
Rd. 2 Box 209-A .
Lebanon, NJ 08833
a)
Lis tot :1 e r per 1'1 its
this stte
:1 P P L i. c (1
for,
.include
il P P 1 i c i1 n t ' :,
name,
tor
Horizon Consulting has submitted COE and DER joint application as
described.
,) If application has been SlJ~T'titted for this pr'0ject (ar onc siT'tilar) in t~H~
pa~t. expla1~ reason for new arpllcntin~ an~ ~ive applicant's name if
different from current applicant.
N/A
List all Fcrleral and State arencics that have received npplici1tions for this
project.
COE/DER
Thi~ completed .'1P?lic~tion form will be ,"ccamp,lnied by the following, or it will
NOT Be orocessed.
~) Two (2) Sets of dr~wings, on S~ x 11 p~per, showin?, IocRtian. plot pt~n, top view
~nd cros~ section of oropos~l, dr~wn to ~c;!te, .
~) Applic~tion processing fee ns follow~:
$2S.QO for dredge, fill. docks OR1ny structures ,affronting Mturnl Wi1ter bodies.
$10.00 for vertiC'll seawalls on m:,n-rn,nde !Jodic~ of w:~ter-.
$25.00 for ~ny co~bin~tion of the ~bcve ~ctivities pe~ ~ite.
'"~lic"tion is hereby m~de for n permit to ~uthori~e the ~ctLvitieq described herein.
. certify that I Clm familiin ...,ith the ioform:ltion copt:lined in this i1jJPlicntLon. .10d
'~ "'H! beqt of my knowledr,e 6. be!.ief ~uch :nfor'''':ltion i~ tnJ~. comt~lete fv. :lCCUf",.,te.
, 'urther cer-tify th'1t I oossess the autnority to under~~ke the nroP(l<;cd :lctivities.
.'" nrovisions of 1elwS :lnd ordin.1nCt'S S,)\',~r!lin?, this type pf work \,,'i11 b.' co~plfed \d.th
,,':I,t\ler snecified herein or not. The ~r:lnting of ,1 permit does not pre~:llmc to give
;. "\ority to ....iolate or c:1ncel the l"rovistotlS of .1(')' cO'Jnt~'. st.lte or federal tf'W
".\l1,1t10g caf\structioo or perform:lnce of Cl~nstructl1n of this eype of f:lctHt:,.
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Figure 1. Location of Proposed Dock
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Project Sitz
N.D.S, Chart 11449
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Purpose: Construction of Wood Dock
with Additional Rip-Rap and
Two Mooring Pilings
In: Tom's Harbour
At: Duck Key
Datum: USCGS HLW
County of Monroe, State of
Florida
Adjacent Property Owners:
1. Robert Baime
2, Dennis Tepperman
Application by Horizon Con-
sULting
shc.::~ 4 of 7
.
.
~
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(\
Horizon
Consulting
April 2, 1981
Monroe County Building and Zoning ~pt.
Attention: ~tr. Robert ~nnis
Aviation Blvd.
Ma.!:"athon, FL 33050
~ar Bob,
Enclosed you will find an application for a dock on Duck Key. Tre drawings
attaded are photocopies of those su1:lnitted for the joint COE/IER permit.
I€cently Eric IDken has sr::ecified that revet:nents should be lined with a bed
liner. The contractors have been able to fulfill this requirerrent. Also t.he
J:::oulders are nonnally placed one at a tine using a backhce. Each J:::oulrer is
stacked and not durrped as Eric t.hought.
If you have any qoostions concerning this application feel free to call Ire.
:j;17:Y/ )!~
Timn L. Reed
TLR,Imal enclosures
Route t . Box 948 . Marathon. Florida 33050 . Telephone 305/743-4667
, ,
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Figure 2. Plan View of Proposed Project
Bimini Drive
t 75'
N
""
.....
-
""
""
.....
+t
+t
-,.::;:
Lot 4, Block 1
Center Island
Duck Key
Lot 3
Lot 5
:::;;,.--
A
30'
B
I
1r'
B1
:~~"
40'
l
-13-
o
/
Existing Rip-Rap
Additional Material
To Be Added
Mooring Piling
\
o
scale 1:240
. -2,5'
4'
Al
Purpose: Construct Wood Doc~ with
Additional Rip-Rap and Two
Mooring Pilings
Datum: USCG3 MSL
In: Torn's Harbour
At :. Duck Key
County of Monroe
State of Florida
Adjacent Property Owners:
1. Robert Baime
2. Dennis Tepperman
Application by Horizon Consulting
sheet 5 of 7
, \
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Figure 3. Cross-Sections of Proposed Dock and Revetment
Lot Grade
Wood Dock
/
Rip-Rap
I'
Piling
Bay Bottom
Section A-AI
scale
1:240
1:96
Horizontal
'Vertical
MSL-
Dock
\
Rip-Rap Existing
With Additional
Material Added
Bay Bottom
Section B-B1
scale
1: 240
1:96
Horizontal
Vertical
Purpose: Construct Wood Dock With
Additional Rip-Rap and Two
Mooring Pilings
Datum: USCGS MSL
In: Tom's Harbour
At: Duck Key
County of Monroe
State of Florida
Adjacent Property Owners:
1. Robert Baime
2. Dennis Tepperman
Application by Horizon Consulting
sheet 6 of 7
, \
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Figure 4. Detail of Dock Construction
Pressure treated 2x8 decking
Pressure treated 2xlO joists
Pressure treated 2x10 stingers
lag bolted in place
12x12 concrete piling
In: Tom's Harbour
Purpose: Construct Wood Dock with
Additional Rip-Rap and Two
Hooring Pilings
Datum: USCGS MSL
Adjacent Property Owners:
1. P.obert Baime
2, Dennis Tepperman
At: Duck Key
County of Monroe
State of Florida
Application by Horizon Consulting
sheet 7 of 7
.COARO'OF CO,UNTY COMMISSIONERS
Wilhelmina Harvey, District 1
Curt Blair, District 2
Mayor Protem Jerry Hernandez, Jr., District 3
MAYOR George E, Dolezal, District 4
Ken Sorensen. District 5
~.~ ,r_
- --"';..; .-r-:-:-~
~inf Departme:lt
Ot"r-l\...c: ',.11-:
Public Service Bldg.
Wing II
Stock I~l.:lnd
P.O, BOX
Key West, FL 33040
. . . :\
l'3r~t.~ ft ti...};,~
~.-(~&....~~
OK~V~~:~R~~,~~E
130512944641
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Hay 15, 1931
~1 r . TiM r.\ R e e rl
Horizon Consultin~
Route 1 "Sox ~4,)
'{ a r :l tho n, F L 1 J 0 5 0
it e : A 1- C 11 n ~'.11 a c y ; r i ? - r .:\ p ;t n d rl 0 c k 0 n n u el: Key.
Dear ~!r. Reed:
A~ter revicuin~ tllis application and conducting an onsite
inspection, I find that the follouing items will require your
attention before processing can continue:
l. Recomnendation t~at the dock be extended 15-20 ft.,
to ~eener water. T~is will also avoid possible
iMpacts to the corals and sea~rasses from the
boat !,ro?ellor.
2.
noc:~s are .'lcce~sory 3tructurcs,
Code Chapter 19-1~4(h)(a)), and
t~c follouin~:
Clonroe County
as such require
a. A 5 foot set~ac~ fron the ndjacent property
(this ap?lie3 to hoth the upland platforn and
the "oorin~ pilin~), and,
b. Current buildi:l;; deTlartment policy is that a
?er,it for t~e ?rinci~le structure Must be
obtainec b~fore I:or:: can hc~in on an
~cce3sory qtructurc.
1. A ~c?artneT"t of T:nvirOnl1C:lt:ll ~ef,ula~io:l report
cO:lcer:lin~ t;le ri~-r;"lp ':lust 'JC received by the
:)uil(;in~ de?ar:::-lent.
:ir. ;te~d
'{ a y 1 3. 1 J ~ 1
p a ~ e t \-10
I ilave discussed tl-tese items uit!l :lr. Eric Loken (DER) and
he a~rees witl-t t~e dock exte~sion. He has requested t~at I
inforn you that any revisions to t~e ?lans be sent to t~e DER
office in Pu~ta ~orda as well as to the Monroe Cou~ty Building
Office.
If you have any questions. please call me at 294-4641.
e x t. 1 J 'I .
7};Y~~
~obert 1)en:1is
Environmental .Biologist
'q,j)/jf
TOPS , FORM
. .
3397
LITHO
DEPARTMENTAL CORRESPONDENCE
DATE June 26. 1981
SUBJECTA1-r:~o~~:lachy, 1r. !:.; repair ril1-rap sea,'l",ll and ,,,oocien dock
HC'1r::v Hein\a.n Jirector Pla'lni:.1~. Buildino; . Zoni/1p
To DEP'T c:
Envirot1ncntal
FROM R00~rt "Jen'1is niolo~ist DEP'T Plannin~. Buildin~ & 20inin;,;
LEGAL
TWSP ~5S, RGE 34E, SECT 28; Center
Island, Jlock 1, Lot 4; Juck Key.
~ 0:1 i n ~ i ~3 I'?.TJ - 1.;,. 'Il I .
I;lTRODU CT ION:
T~is application is to be revi2rl by t~c Board of County
C0"1l:lission~~r3 in .:1ccor,l<l!1cC' ,!it;, C:lapter 19-111 (a) (.:i) of t:1B
1anroe.County Code.
DISCTfSSIO~i:
Applic~nt proposes to place approxinately 40 c.y. of rip-rap
boulders alon~ hi 75 ft. of waterfrontproperty ~buttin3 Ton's Uar~or.
T t' d .11' , '1 " 1 c :n"] , 1"+
. :1 i r y c 11 D icy a r s ,.] ~ ." ,) ~ P .i. ace '1 . _ a n (~ " a r ' 0 ._ ' . , i ~ an (l :' - c. y .
~.!at~ruaJ"(l (Ie. 'tn;.
In ad~ition, a 1D ft. x 15 ft. woodeu ~cc~ with a A0 ft. long
by If ft. '(lid..~ 't!ooden ,1<1cl-: is ;>r0posed alo'1g Hit:1 t~vo nooring
,ilin~3. TI1c (locl~ will. b~ support~~ ~y concrete pilings.
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j1 r i n c 'i. :> :11 : 111 1:1_ ,! i n :-- '1,""; 1 0 C il t C (1 0 nth ,~ pro :' e r t y .
T~lC ,:.1tt;"tC~1~.1 I'2'Pt. =n.~Jiro:1. ?.8~tl1~tioTI, report discusses thi'1
:? r o.i e c t i ~'. ~ ~ ~ ate!" d ':~ t :1 i 1. a f1 <.l S ~1 0 U 1 (l ~) (~ rea tl for a ,1 d i t ion a 1
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f\
Horizon
~onsulting
June 10, 1981
Monroe County Building and Zoning Department
Aviation Boulevard
Marathon, Florida 33050
Attention: Mr. Robert Dennis
Dear Mr, Dennis,
Enclosed you will find an amended plan view of a proposed
dock on Duck Key (DER file No. 44-41816-5E), The applicant,
Mr. M, K. AI-Chokhachy, has agreed to extend th~ dock 15 feet
as suggested by the County and DER biological reports. Shallow
draft vessels will be used for construction and the owner plans
to dock a small outboard type boat at the dock in the future,
No fuel will be stored on the dock facility.
The above specifications should fulfill all permit
requirements according to the recommendations and requirements
we have received.
Sincerely,
~V~ ~"-~<~
Timm L, Reed
TLR/m
enclosure
Route t . Box 948 . Marathon. Florida 33050 . Telephone 305/743-4667
--.......,~ -,
.-/
"9
9
DEPARTMENT OF ENVIROl'T"1E~lTAL REGULATION
PERr1IT APPLICA'l'10N APPRAIS.;'L
File No.: 44-4l816-5E
County:
HClnl"()e
Date: 5-12-81
Applicant Name:
.' .
M. K, AI-Chokhachy
Address:Ruffini Terrace. Plymouth, Mass. 02361
Agent (if applicable): Timm L. Reed, Horizon Consulting
Address: Route 1, Box 948, Marathon, FL 33050
Loc a ~ ,on of project: Section(s} 2Q Township 658 Range .-l.4E ...
-
Section(s) Township Range
Local Reference: Bimini Drive; Center Island; Duck Key,
vla ter Body: Tom's Harb~r
I'la ter Classification of Project Area: III Adjacent v1aters: III
.
Aquatic Preserve:
None
Out.standing Florida Waters:
NOne
On site inspection by: Eric R. Loken
Date jf Inspection: 5-11-81
Original Application: Yes~ No
Date of 2nd Insp.
Revised Application: Yes No X Date:
Biological and Water Quality Assessment
A. Description of proposed project and construction techniques.
J Quantify area of prbject 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 i~pact of project on biological resources and water
quality. Address long-term impact as well as immediate impact
for all as?ects of the project.
E. Suggestions, wheye appropriate, for modifications that may reduce
or minimize the potential impact of project.
PER'-1 16 -1 0 (I'.ev . 6/79 )
t
fj
AL- CHOKHACHY, H. K ..
11'44-41816- SE
Monroe County - Duck Key
Page Two
'.
A. The applicant proposes to construct a dock and revetment along his
Duck Key (Center Island) property shoreline. The proposed dock
structure will consist of a 30 ft. \vide (parallel to shoreline)
by IS ft. long predominantly "upland" platform with a 4 ft, wide
by 40 ft. long waterward arm extending from said platform's
approximate middle. This dock structure will be situated Qn the
property's northeastern corner, constructed of wooden decking
lIlaterials, elevated on concrete support pilings (Ii: ft. above the
'water surface; Mm~) and equipped with two boat mooring pilin~s on
its eastward side (13+ ft. from dock extension arm and 30+ ft.
apart), The proposed-revetment structure will be constructed of
unspecified-size, Key Largo linestone boulder riprap materials.
It will entail the deposition of 40+ cu. yds. of said riprap
ma terials (10+ c. y, ,va terward 0 f t-mw; 30+ c. y. landward of HHU)
along the entIre 75 ft. property shoreli~e between the +1.0 ft.
and -2.5 ft. 01SL) elevations and upon an. existing riprap revet-
ment which has subsided considerably since its original construc-
tion. The applicant states that all pilings and riprap materials
will be placed from thE: applicant's adjacent shoreline property.
Turbidi ty screens wi:'1 ',T". - oyed during- construction activities,
if required.
B. The applicant's property is located along the northeastern Du~k
Key shoreline in middle Honroe County, Fl~lrida. At present,
approximately 50 percent of Duck Key is developed with single
family residences (S.F.R. 's) and various supportive facilities
(ie, roadways, restaurants, marin:'.s, motels, stores, recreational,
etc.). Although some (10 percen~Duck Key shoreline areas have
been artificially created, this particular shoreline area is
situated in a natural corner of Tom's Harbor waters. Torn's
Harbor waters are Florida State Class III waters as defined in
Section 17-3,081 .(F.A.C.). The majority of the existing residences
wi thin this area are equipped \,:1 th some. type of shoreline bulkheadi ng
and/or boating arcess facilities,
The: applicant's property consists of an average-sized (0.26 acres)
residential lot bordered to the west by an existing SFR, to the
east by a similar undeveloped.lot, to the south by Bimini Drive
roaduay and to the nor th by Tom '~:; Harbor waters. The westerly
adjacent S.F.R. property is totally cleared, filled with pea gravel
and landscaped with palms, seagrapes, bay cedar ane assorted
tropical exotics. It is also 'quipped with concrete shoreline
seawall, dock and boat launching ramp facilities.
Undeveloped upland property area~ (both ~he applicant's and the
easterly adjacent properties) have all been previously cleared,
filled and are presently vegetfltcd \vith isolated palms, Casurin~ sp~
.
,
AL-CHOKHACHY, H. K.
i,~44- 41316- SE
~1onroe County - Duck Kjy
Page Three
C.
pines and secondary growths of various pioneer shrubs and grasses.
Undeveloped nctural shoreline areas have all been previously
bulkheaded by a varying-sized rinrap revetment which is presently
in various stages of disrepair.
The proposed project area consists of the applicant's pro~~rty
-shoreline areas and adjacent submerged lands. The applicant's
- property shoreline areas are presently bounded by a L5+ ft, wide
transitional area dominated by huttomvood (Conocarpus erectus) and
sea purslane (Sesuvium spp.) grovJths. Huch-"of this area is presentl
distrubed by miscellaneous fill material deposits, construction
rubble and land clearing debris, The property shoreline proper
contains an old riprap revetmpnt which is presently in various stage
of disrepair. t'h::dium hE avy detxl. tal accumulations were observec:'
throughout this shoreline area hoth within said revetment and upon
adjacent submerged lands.
.J
Inshore submergent ,"reas (to 20+ ft. from t~e exi'1t.r~g Sf,cn.:-eli-,"'\
are presently disturbed both by"the aforementioned detri tal
accumulations and a relatively large amount of displaced, small
diameter, riprap materials. Inshore vegetation consists primarily
of representative species of all algal types (especially greens).
Inshore fauna observed included hermit crabs, Calinectes spY:'.
crabs, sea hares ".:lei unidentified juvenile fish. Offshore sub-
mergent areas (beyond 20+ ft. from the existing shoreline) may
be characterized as shallow, of excellent quality and vegetated
by varying-sized lush Thalassia spp. seagrass beds interspersed
with firm, open, sandy/shell bottom areas. Offshore fauna observed
included Siderastrea spp. hard corals, sponges and several locally
co~non species of fish (needlefish, grunts, mojarra and pinfish).
Water depth in this increased gradually with increasing distance
from the existing shoreline to ;] maximum measured depth within the
project area of 3~ ft. (HLH).
D.
:1egative environmental impacts may be expected to occur from this
project over both the short and long time periods. Short-term or
construction-related impacts will result primarily from the
removal and loss of an unspecified'amount of transitional and
littoral vegetation presentl~ growinG within the proposed dock
platform and revetment placemvnt areas. Additional short-term
impacts may be Jxpected [rom turbidity raised during dock pilin~
placement activities. Moreover. due to the shallow water depths
\vithin this area such siltation impacts may be extended over the
longer timl~ pf::riod as Cl result of boat motor "prop scouring"
irnpac t s .
~.._-_. .~
,
,
AL-CHOKHACHY, M. K.
=If .4-4l816-SE
Honl"oe County -.Duck Key
.".
Page Four
Longer term impacts may be expec ted both from said dock's "shadm'l-
ing effect" upon adjacent seagrass beds and from hydrocarbon
discharges into state waters from boat motor operation and mainte-
nance procedures. However, both the limited size (160+ sq. ft,
over-water surface area) and proposed use (ie, single residence)
of said dock facility suggest ~hat neither of these latter two
projected impacts will prove significant in this instance.
Beneficial project impacts are anticipated from the expected in-
creases in shorelin~ stability and littoral habitat area resulting
from the proposed riprap revetment structure.
f
"
AL-CHOKHACHY, M. K.
#44-4l8l6-5E
Honroe County - I?uck Key
Page Five '
E. Under the provlslons of Chapters 253 and 403 (F.S.) and Sections
17-3 and 17-4 (F.A.C.), I hereby recoIT~end this application for
Departmental approval. The following suggestions are offered for
the applicant's consideration and/or as DepartT11ent permitting
conditions:
....
_1. Suggestion that applicant consider extending said dock struc-
ture's waterward arm an additional 10-15 ft. in length. This
would provide deeper water (+1+ ft.) at the dock's watenvard
end thereby minimizing both bottom scouring and navigability
risks.
2. Specification that all project construction activities be
accomplished using only shallow draft vessels operating only
during high tidal periods. This will,minimize bottom scouring
of adjacent seagrass vegetation.
3. Specification that only shallow draft vessels be permitted use
of said dock facility.
4. Specification that no fuel be stored upon said dock facility,
~()
. ~,} .
ER CR. .:0IzEN,
II
Date:
Read:
E1< I dvo