Resolution 358-1983 RE$OCUTZON NO. 358 - 1983 \,
LHEREA , THE BOARD •OF C Un g COMM1$$xONER$ OF M NROE COMM FCORIP
has receivca an application Pram William J. Nichols
ana
illHEREI$, in compliance with $1atc $fatute, it is nccessarg as part of
the permitting proceaurc fo reab the fnllnwing Biaingical Assessment info
the Rccora, as follows:
The applicant proposes the excavation of a 62' x 24' x -6'
to -8' (MLW) boat slip, involving the removal of ±760 cubic
yards of uplands -(above MHW) and ±40 cubic yards below`MHW:
This boat slip would provide boat mooring for a single family
residence.
The perimeter of the boat slip would be bulkheaded.
The material that would be dredged is primarily marl.
This general area of Marathon was originally low, mangrove-
dominated wetlands before dredge and fill work began in the
1950's and 60's, which created residential developments
(primarily single family residential lots) .
At present, a large network of shallow to moderately deep
canals abutting filled uplands empty into Sisters Creek.
Sisters Creek consequently connects to Hawks Channel to the
south and Boot Key Harbor to the north.
The shorelines in this area generally support a mangrove
fringe where a small amount of erosion has occurred. Where
no erosion has occurred (shorelines sheltered from boat and
wind induced waves), mangroves are not as common due to the
lack of sufficient shoreline shelf area. -
The canals in this area are typically milky in appearance due
to the predominance of marl in the shoreline and underlying
sediments.
Sombrero Isle is. approximately one-quarter developed, with
properties adjacent to the project site remaining undeveloped
(no house construction) .
The applicant's property is situated on a narrow finger canal
that bisects Sombrero Isle. This canal possesses nearly verti-
cal side walls and maximum depths on the-orderrdf -10 feet
(MLW) .
Where the boat slip is proposed, the canal side walls are
composed of soft marl (fine, clay-like.texture) , supporting .
green algaes such as Penicillus sp. , Batophora sp. and Caulerpa
sp. .
The upper edges of the shoreline support somewhat scattered
mangroves, including red mangroves (Rhizophora mangle) , ,
black mangroves (Avicennia germinans) and white mangroves
(Laguncularia racemosa) . Other wetland; .plant_species obser-
ved included beach carpet. (Philoxerus vermicularis) and sea
purslane (Sesuvium portulacastrum) .
l.Resolution No.
NICHOLS, WILLIAM J.
Page Two
With respect to water quality in the canal system adjacent to
the project site, several items are important to note. There
was little or no water column stratification at the time of
recent dissolved oxygen monitoring (copy results enclosed) .
Although dissolved oxygen levels were not high (4.0 to 4.9 ppm) ,
little change was evident in values through the water column..
One of the primary reasons for the apparent lack of severe
water quality problems here is the relative lack of detrital .
entrapment in these canals. Without this organic detrital
buildup on the bottom, sediments have remained aerobic and
free of hydrogen sulfide production.
During the. course of monitoring, the following fish species
were observed: Mullet (Mugil cephalus) , jack crevalle
(Caranx hippos) , and leatherjacket (oligoplites' saurus) .
The primary impact of concern is long term water quality
degradation within the proposed boat slip. Due to its length,
depth, and configuration, the possibility of water stagnation
and degraded water quality in the boat slip is increased.
Because water quality is thought to be marginal in the existing
canal to which the boat slip would be connected, there is con-
cern as to whether State standards for dissolved oxygen can be
met at all times in the proposed boat slip.
B£ It RUOC1 ED BB ERE BOARD OF coUnJ C MUSION$ER$ .OF MMONROE CO3INU,
FCORIDA, that the above Biological Assessment has henn rean into the recnrn
anA Ault nonsiAereb pursuant to Florida 5sfalut.e 253.124 hB the Bnarb of Cnuntt
Commissioners of Monroe Countj, Flnriba, this 16th hat of December
19 83 at a regularly soheuuleb meeting.
BOARD OF C( UNE33 COMMUSION£1 OF
MONROE mIn1.J, FCORZD t
•
BB
PEAL)
Attest: DANNY L. KOL��HAGE, Clerk
400
)112i\6jr-sY
terlk iCurien'C. Briihj,
Cnunti Affornej
n'p C .,isle` BOARD OF COUNTY COMMISSIONERS
OUNTY o MO V ROL t' Wilhelmina Harvey, District 1
KEY WEST, FLORIDA 33040 i" �F' eta ',a,
Ed Swift, District 2
(305) 294 4641 ` `;fir 1= MAYOR Jerry Hernandez, District 3
.;IQ l; i l • Alison Fahrer, District 4
Mayor Pro tern Ken Sorensen, District 5
_,..O.Q,,
isr .
\, ,„0,
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 (William J. Nichols) V
3 . Permit ✓
4. Application for Permit (Boat Slip) V -
•
5 . Site Plan ✓ ,,,` . ;
6 . Location Map ✓
7. DER Assessment ' /
V
Date /O2 --_I 4-3 • By
D
7. , .
17\ e_:-; _ .. . ,
. L,, , ,
....
Il DEC 2 1983
COUNTY i-° u "
' T57PS FORM 3397
EPARTMENTAL CORRESPONDENCE
DATENovember 29, 1983
SUBJECT William J. Nichols, Boat Slip
To Dr. Jeffrey M. Doyle, Director DEP'T Planning & Zoning (Key West)
FROM Andy Hooten, Biologist 1 -_ DEP'T Planning & Zoning (Marathon)
Legal
Township 66 South, Range 32 East, Section 15, Lot 18,
Calle Ensueno, Sombrero Isle, Boot Key, Monroe County,
Fla. Zoned RU-1
Introduction
This application, proposing the construction of a boat slip, is to be
reviewed by the Monroe County Commission persuant to Sec. 19-111(b) (2) & (4)
of the Monroe County Code.
Project and Site Description
The applicant proposes to construct a 62' x 24' x -7' to -8' (MLW) boat
slip to align parallel to the shoreline of a man made canal at Sombrero Isle
in Marathon. This construction would involve the excavation of 1285 cubic
yards of material landward of the Mean High Water line (MHW) and 135 cubic
yards waterward of MHW. The excavated material would then be placed on the
upland property for use as fill for a house pad. This spoil deposit would
require no clearing of land. Presently, this application is also being
evaluated by the Florida Department of Environmental Regulation. A copy
of the DER's biological evaluation accompanies this report. An additional
permit from the U.S. Army Corps of Engineers may also be required for this
activity.
As can be seen in the attached DER report, Sombrero Isle was historic-
ally a mangrove wetland area that was dredged and filled for development of
single family residences. While many of 'ihe canal front lots have been
recolonized by healthy stands of mangroves, many of the lots are not well
vegetated due to the steep slope of the shoreline.
Mr. Nichols property was observed to conta,Ln small patches of red,
white and black mangroves. Substrate composition is that of clay-like
sediment and shell fragments which is the fill material that is common to
this area. Subtidally, the side of the canal is colonized by green algae
(i.e. Batophora sp, Penicillus sp and Caulerpa sp)
While the County is not equipped to sample elements that indicate the
status of water quality, the attached DER report did sample for dissolved
oxygen in the canal area and did not find the water quality to be below
those standards required by the State. Furthermore, as the samples
throughout the water column were not significantly different in dissolved
oxygen values, it is probable that these waters do not experience stratif-
ication, a condition that increases the probability of poor water quality.
The attached drawing shows that the proposal involves the alignment of the
boat slip parallel to the canal. Because of the dimensions involved, this
• TOPS FORM 3397 LIT111111,,
DEPARTMENTAL CORRESPONDENCE
DATENovember 29, 1983
SUBJECT William J. Nichols, Boat Slip - Page 2
To DEP'T
FROM DEFT
activity will result in more of a canal "widening" than the creation of a
small pocket. Due to the configuration and dimensions of the basin, water
should be able to mix and circulate. Dredging would create additional
habitat for marine biota. Any impact on the area should be short term.
Evaluation
Based on the above considerations and review of the Monroe County Code
and the Coastal Zone Protection and Conservation Element, this proposal is
consistent with the laws and guidelines set forth by Monroe County.
Recommendation
Approval: Turbidity screens should be properly employed.
Not a part of Environmental Assessment
Presently there is no principal structure on the site.
ya
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SECTION A-A
SECTION B-B
HATCHING INDICATES DREDGE AREA
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REVISION 2 1 0- 2 5-8 3
WILLIAM J . NI
-,_/"."--------7-
c."LT----------------------------._.S C A L E S :,! --.7,,,
1 , SECTIONS 1 " = IC, '
!.:', • ..:.v., z, ,?-• 4,.. i ,A
i PLAN! 0& SECTIONS r
E T 5-1=1:: 0
Atoute.cRuLtigincersunumers
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.2 . PLANNING, BUILDING &ZONING DEPARTMENT PERMIT
MONROE y PERMIT FOR EXCAVATION, THE DEPOSIT OF NO,
COUNTY M,f FILL, OR STRUCTURAL ACTIVITIES IN THE
" WATERS OR WETLANDS OF MONROE COUNTY
1)Property owners name&mailing address 2)Date FOR DEPARTMENT USE ONLY
William J. Nichols Sept . 16 , 1983
2447 Red Bud Lane Resolution No.
Wichita, KN 67204 3)Phone number
(316 ) Date:
832-1890
4)Contractor or agent's name,mailing address&phone number
Glen Boe, P.W.
Post Office Box 3406
Marathon Shores, Florida 33052 743-9121
5)Legal description of property:
Section 1 , Key Root Subdivision Sombrero Isle
Township 66R Lot 18 Block N/A
Range S2F Street, road or mile marker Calle Ensueno
Volume of material: dredged/excavated filled/deposited
135 c.y. 1285 c.y. c.y. 800 c.y.
waterward landward waterward landward
of M.H.W. of M.H.W. of M.H.W. of M.H.W.
ZONING: RU—i
PURPOSE:
Cost of Permit Estimated cost of Construction
Biologist Comments-Restrictions or Special Conditions if any:
APPROVAL: Turbidity screens should be properly employed.
Jeffrey M. Doyle , Ph.D. , Dir.
Planning, Building and Zoning
i . - - --- -- -
w/ ' jam J . Nichols ? -
I Red Bud Lane ; Sept'. 16 , 1983 ; ( 315 ) 832- 1890
f ita , KN 67204 •
,
---
'actor or agent's name, mailing address , phone ccr :_c..l'._.
Glen Boe , P . E . Cert . No . 17300
DESIGN MANAGEMENT ASSOCIATES , INC .
P . 0 . Box 3406 , Marathon Shores , FL 33052 ( 305 ) 743-9121
1 description of property:
ion, 15 • ?(ey, Boot. Key S division, Sombrero Isle
ship, 66S32E Lot, 18 Trion, • N/A
(if acreage)
• . Street, road or mile mar1<er,
ng, RU-1 , Cal l e Ensueno
tribe the proposed activity, -methods of construction ? ` cunt of material (in cubic yards) ,
be excavated or discharged. Pescribe purpose 8 intended use of project.
See attached remarks
ilT) .
. 6p ••• dredged/excavated . 85 • . . ' . I.1 ed/der.os;`ed
of )3� 0 c.y. c.y. • 0 c.y. . . - 800 c.y. '
.al � . , . waterward la^.d.ward.
waterward landward
. . . ' . of H.H.W. of Y.H.W. of m.H.W. of .
J
:e, address F, zip code of adjoining property owncrs nrorerty affronts water way.
( 1 ) Joseph H . Bertram & (2) William R . & Dorothy E . Vossler
Rita H . Ojala P . 0 . Box' 2783
4 Britto Dr . , Bluefield , CN 06002 Marathon Shores , FL 33052
..ist other permits issued and/or applied for, include applicant's name, for this site:
N/A .
•
application has been submitted for this project (or one similar) in the past,
explain reason-for new application and give applicant's name if different from current
!pp lic ant.
N/A '
-
;t all Federar and State -agencies that nave receivea applications z or this project.
Applications for this project are being submitted concurrently to
the Corps of Engineers and the Florida D . E . R .
This completed application form will re accompanied by the
following, or it will NCT be processed.
o (2) sets of drawings, on 81 x 11 paper, showing location, plot plan, top view and •
oss section of proposal, drawn to scale.
plication processing fee as follows: - •
5.00 for dredge, fill, decks Cr. any structures of ronting natural water bodies.
• 0.00 for vertical seawalls on man-made bodies of water.
5.00 for any combination of the above activities per site.
cation is hereby made for a Hermit to authorize the activities described herein. I
fy that I am familiar with the information contained in this application, and to the best
knowledge & belief such information is true, complete F* accurate. I fur her certify that
sess the authority to undertake the proposed activities. ,All provisions of laws and
ances governing this type of work will he complied with w7,.etl'er specified herein or not. Th,
ing of a permit does not presume to give authority / iol to or cancel. the _`rovisions of
ounty, state or federal law regulating construction or :"erf o_?':.'nco of ccnst?ur-t en of this
of facility. ;// �, /• ,,,- ,e_ y
pL5
. -_X, , . .. __a:r:lag en j/ . _:Ito
C epartment Use alv/ /,;Y--- --
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r. )y) l'. i:cc u receipt r r f proved IL)), rss t. '.)irector
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NOTES
( 1 ) SLABS TO BE 6" PRECAST CONCRETE REINFORCED BOTH
.,,. ..:
N WAYS WITH #5 REBAR ON 12" CENTERS .
( 2 ) PILES TO BE PRESTRESSED CONCRETE 10"x10" ON 10 '
CENTERS MAX . . DRIVEN TO ROCK. EACH PILE TO BE
ED BACK TO .30"x30"x6 " DEADMEN . TIEBACKS SHALL ,
12''.1t1 _.A."_ REBAR , OMPLETELY COATED WITH BITUMINOUS
• CD TG,; -
1 1 1 z . (3 ) CAP SHALLB REINFOR,.C,,ED CONCRETE POURED- IN-PLACE
F ; NOT LESS HA TWO F:EE WIDE AND 16 " DEEP .
CiU
`` 111 Z `
L ��
H �
PLA J ;
1 }' x¢
,. 1 ..- _._ ._=.(6 NOTE : EAST `��
d4_1:-t._.:_ 12 SIDE 0€•�=5E Tl ----�.,�_..,,_�'"_ ..... TO BE 55 ' ONG ; o •f:::::::=14
_�. 62 ' �.`_ 10 '
WEST SIDE T '�
BE 69 ' LONG, 1, . %�� - I- +6
�Y�" CAPS -
+1 . 5
0 . 0
/I
,. .-.<: 7/ _�M S L A B
yr %�1' �. . - T8 . 0
j , HL//
NG INDICATES
-' OSED D DGE �--�-
�V.- ,/
/ ' �F P� ,� S E C T I O N A-A M L W = 0 . 0
P I L j MHW = +1 . 5
1
if......_.._�..: - _ .. . _
WILLIAM J . NICHOLS SCALES �-3 Rom'
BOAT SLIP PLAN 25 0 25 . 50 �'IiA ,.
PLAN AND SECTION OF • 5 0 5 10 15 20 k' '
Architects ❑ Engineers l]Planners
PROPOSED NEW WORK SECTION Fir-P-1-94---1----4--m-�^^s�� —1 P.O. Box 3406-Marathon Shores,Florida 33052-3406
SHEET 2 OF 2 1"=10 '
•
_,......_ \\ it II ... , ' : _`_?
�..
a Dr� \1 `vv1� II IILI i
a ADJACENT OWNERS `, ;,.,,,,, �,�u„° ,�_ °� «" ,� /;,.r; o'; \I' X
t „: `\ \�c l w •VOr __,,%/ i- //J/./- ..o i"i i ‘'i
Lot 17 - JOSEPH H . BERTRAM & ``� \1`i� s �,,:.�•'v°'\.`,;;y'=v'�l: ' . :). :'o
RITA H . OJALA : i,: ,;'''13°°l j/� J)'I ///�� R ;>• �'�
4 BRITTON DRIVE ?' \,R / / ° ;�
BLUEFIELD , CN 06002 ,\;ob, : _.!,.. , /;,-;,-:- ' //,)-'\(__e--:-.4, / L / ,a
Lot 19 - WILLIAM R . & DOROTHY E . VOSSLER )' .-``� ,, t (717_li , • ,te r'
P . 0 . BOX 2785 arl ll( /�1 S ' � . ;} ,it ' . /
MARATHON SHORES , FL 33052 l� �'r• �-, , - ;.� IL- • i
I � I 1'g1 � 5
•
PROJECT LOCATION
•
�L✓� NOAA CHART NO . 11449
Alh•441 LAT : 24°41 ' 53"N .
LONG : 81 °05 ' 11 W ti
FX\1 \.1 .
LOT
SOMBRE18 RO ISLE SUBDIVISION
CALLE41.17( tc-1*..,,.,.4 .
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WILLIAM J . NICHOLS • ins
BOAT SLIP r',
t
LOCATION AND VICINITY '! ' La tA •` :1 ' ""` i .
Architects 0 Engineers 0 Planners
SHEET 1 OF 2 x NO SCALE
' P.O. Box .400-Marathon Shores, Florida 33052-34r5 '
• _
•
, 11111
1 MB
i ;.. , ..„{c., \\ iill ..:L.....!!...:,- ‘......1-• 1.\ , L,NI 1!i ,.......„
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1 , ADJACENT OWNERS 0 y,1 W ' 1 I C HU TRY;‘,..z-,-.7-0-1, . ,. II,A...,... ki:1401re.: -
1 1 VA-) r \f‘'.\\V •
///•'!../li 1;1 V'l
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Lot 17 - JOSEPH H . BERTRAM & I\\ c\-,..,, ;„ ,,,. ‘•••‘ t• ,,k ,< ,,•. •,-..,. 4 .0 ....•
i \-1 ,. \ ; ,'•••.', P•Y‘,/•••\'.;,' ,,.,, , .5,:. ..e,J. .....
RITA H . OJALA ,:---1. -"•• •'',''''13°" './' ,7 ---.=-1.i) //./r,69-r"
4 BRITTON DRIVE • >,;-‘,,,,,,\:, \ 4 v- --:-.::: :•:-Y.C..-\b"' '''' ':' 14!...'''s-I ,.1 //:, 14 ‘,(,`'. • ..:,---
6 L U E F I E L D , CN 06002 — ,,-, -•' . ,j,!:-"• -3•--0,1ri/• ..,.:.c-- ---\----.,.:, \
Lot 19 - WILLIAM R . & DOROTHY E . VOSSLER- 1!: ::: t- ___.?- . : i if-r, ...-,. 7--: ..
P . O . BOX 2785 1'0"Th' \ )\-,,-- A. ,: c„ ,.., ,
1 MARATHON SHORES , FL 33052 H.C*- ? Y ,A0-- -,'
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il--.{-r----N 7.- '11 A't, ;1.• :—s',. :-.:..0.,.,-7:7 C•-•. :' •., ;
• .
•
PROJECT LOCATION
• . .
- NOAA CHART NO . 11449
•
: • • . LAT : 24°4153N • •
. _
LONG : 81 '05111 "W
. ._ .
LOT 18
'
411411‘ SOMBRERO ISLE SUBDIVISION
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WILLIAM J . NICHOLS i
F''','•`5,';rk.,,:7 l'?:- r, ;: :...••
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BOAT SLIP
i; :, • ,. •• •:,-,1:,-.• - ,,,,,,, •,-.:.-. ‘ .. ;4::., .
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ii
LOCATION AND VICINITY i I Architects 0 Engineers 0 Planneri
1 SHEET 1 OF 2 I NO SCALE 1 P.O. Box 3406-Marathon Shores,Flora 30.52-:406
1 3
NOTES
( 1 ) SLABS TO BE 6 " PRECAST CONCRETE REINFORCED BOTH
N . WAYS WITH V5 REBAR ON 12" CENTERS . I
/ ( 2 ) PILES TO BE PRESTRESSED CONCRETE 10"x10" ON 10 '
�' CEN
TERS MAX . DRIVEN TO ROCK. EACH PILE TO BE 1.
�' m� TI D_ K-TO,.\30"x30"x6 " DEADMEN . TIEBACKS SHALL
ii /Q yB=E REBAR C MPLETELY COATED WITH BITUMINOUS
CO T \NG . r
I z • (3 ) CA SHALL--B REINFORCED CONCRETE POURED- IN-PLACE
L
1 .1 S� N T LESS THAN TWO F` ET WIDE AND 16" DEEP .
o
0.6
CDU'
w Z
L H
PLAN J (nJ / t
6 'I- 24 ' I6 1I, NOTE : EAST r 1.
-I-1,._...�....,.z.._.. ....; ._ SIDE OF SLIP w
_ .. ®. TO BE 55 ' LON. o _�2 62 ' :�,_.. \ i, 10 '
11111111 WEST SIDE TO a
BE 69 ' LONG (_ <t- i%9 ` ‘-' 1—
, \ +6
.�t�/'-"" CAPS r
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„,,,,,,,,. -,---- ,-
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HATCH NG INDICATES
J PRO OSED DR E \_
Q 4: SECTION A-A
Wt
� L� / P WI
0 . 0PILE : +1 . 5
WILLIAM J . NICHOLS SCALES hhA
PLAN 25 0 25 50 � � ' '1 i kn .
PLAN AND SECTION OF 5 0 5 10 15 20
PROPOSED NEW WORK
SECTION F ,�_.� Architects ID Engineers❑Planners
P.O.Box 3406-Marathon Shores,Florida 33052.3406
1 " =1 D '
SHEET 2 OF 2
•
WILLIAM J . NICHOLS
BOAT SLIP
REMARKS
The applicant wishes to construct a boat slip on his residential lot
which fronts on a manmade canal . The canal is approximately 60 '
wide at the project site . The slip is to' be dredged and the peri -
meter is to be stabilized by a ' reinforced concrete seawall . The
slip is proposed to be dredged to a depth of eight feet below mean
low water to accommodate a large sailing vessel . The shape of the
slip is irregular due t-o the irregular shape of the lot . The slip
is to be 24 ' wide ; length at the centerline will be 62 ' with the
west edge 55 ' long and the east edge 69 ' long . Short return slabs
will. be installed along the shoreline . Most of the construction
will be by land based equipment with assistance from a barge . An
. earthen plug will be left in place during the dredging of the up-
land and spoil return water will be directed into the slip . Tur-
bidity curtains will be deployed prior to removing the plug and
will be left in place until the project is complete . The dewatered
spoil will be used as needed for grading of the upland . Excess
spoi 1 will be removed-Yfrom-•the._,s.i to by the contractor . '
I
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ttiYc T g ARCHITECTS El ENGINEERS LI PLANNERS
01
/4-)(Siir3 . '
A
To : Distribution
From: Glen Boe •
Date : 10/25/83
• Subject: William J . Nichols
At the request of agency representatives , the subject project has
been revised so as to align the boat slip parallel to the canal
rather than parallel to the side property line . Mooring piles have
been added since the re-alignment eliminated the opportunity to
tie off the boat from both sides .
• Dredge volume is now approximately 1285 cy landward of MHW and 135
cy waterward of MHW . Dredge areas are 2695 sq ft landward and
805 sq ft waterward of MHW . All dredge material will be placed
on the applicant ' s lot and will be used to raise the site elevation .
• Distribution :
--Andy Hooten - Monroe County
Rick Cantrell - D . E . R. Punta Gorda
John Meyer - D . E . R . Marathon
Curtis Kruer - Corp-s Big Pine
Mike Slayton - Corps Miami
•
P. O. l3ox 3406 / Marathon Shores, Florida 33052
105 Town Square Mall / 1.1400 Overseas Hwy. / Marathon, Florida 330S0 / (305) 74 i-9I 21
11111
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ADJACENT OWNERS t.,.., t.\., „o 1H ,, _00� �0 - , `�
Lot 17 - JOSEPH H . BERTRAM ` :,.\' I�`` .'' • -
RITA H . OJALA ; �,„ ' . "�� ��t � .�., 1.
4 BRITTON DRIVE ` ,
BLUEFIELD , CN 06002 ;` `. __ � `•�
Lot 19 - WILLIAM R . & DOROTHY E . VOSSLER i;, ":''}-_ -- `�- .)1- . - • ;•;'"!!/',(rr =. - .
, P . 0 . BOX 2785 ... 'S j_ ' .� 0 :i,!H
MARATHON SHORES , FL 33052 %1 'I 1 ;i • .'�\'/ `
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PROJECT LOCATIONxy ,
NOAA CHART NO . 11449
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LAT : 24 "41 ' 53" N •
LONG : 81 "05111 "W
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•
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REVISION 2 10-25-83
WILLIAM J . NIC H O L SaA t i- ,
' ',;,
, jj , .
BOAT SLIP i „ , R1 r
LOCATION AND VICINITY
Ai LlntectlLi Lngineer ❑Planner,
SHEET 1 OF 2 j NO SCALE i'.u. Box 3400-Mar,uhon )bores Florida 33052-340L:
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SECTION A-A SECTION B-B
HATCHING INDICATES DREDGE AREA
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1 REVISION 2 10- 25-83
WILLIAM J . NICHOLS
SCALES r
10 0 '',, n� �' ��,
x.
BOAT SLIP --s , , , s 1,0 2,0 , fi tl $
?:' ,, x r ?
SECTIONS 1 " = 16 ' :.,.A `M: + ti.%
• "
..„:
PLAN & SECTIONS 5 0 5 10 1 \rchitects a Engineers ❑ Planners
SHEET 2 0 F 2 1 =
) t , t . ; { 1 P.O. Box 3406-Marathon Shores, Florida 33052-3406
I
I PLAN 1 " 20 ' 1
For Routing To District Offices
And/Or To Other Than The Addressee
State of Florida I To: Loctn.:
DEPARTMENT OF ENVIRONMENTAL REGULATION 1To: _ Lactn.:
To: I.octn.:
INTEROFFICE MEMORANDUM prom: Date: •
Reply Optional ( I Raoly Required ( I Info. Only ( I
Date Due: Date Due:
TO: Richard Cantrell fl/23,
THROUGH: Gary Shaffer ;'r ` �,
FROM: John Meer.---/`�
DATE : November 21 , 1983
•
SUBJECT: Monroe County, File No. 440754935 ,
William Nichols , Boat slip.
I have received the modifications submitted by Glen Boe for
William Nichols (Revision 2 , 10-25-83) . The revised plans
call for the excavation of a boat slip parallel with the
applicant ' s shoreline , as contrasted to the original plans
which proposed excavation 90 degrees perpendicular to the
shoreline.
The length of the modified boat slip would be 115 feet (an
increase from 62 feet) . Each end of the modified boat slip
would be angled back from the shoreline at a 45° angle . The
bottom of the proposed boat slip would slope from a depth of
•
-7 ' M..L.W. to 8 ' M.L.W. (the bottom contour was originally
proposed to slope from -6 ' to -8 ' ) . Three mooring pilings •
•
are now proposed at the mouth of the boat slip.
Total cubic yardage now proposed to be dredged is 1285
landward of M.H.W. and 135 waterward of M.H.W. The original
proposal involved 760 cubic yards landward of M.H.W. and 40
cubic yards waterward.
With the modified configuration of the boat slip, it is
anticipated that water stagnation and stratification will
be much less likely to occur. �n
With consideration to the canal system as a whole, the
proposed boat slip will 1) create new substrate for algae
and seagrasses and, consequently, new habitat and 2)
increase surface water circulation by increasing the width
of the canal and, consequently, increasing surface water
area, tension, and interaction with the wind.
I would, therefore , recommend that permitting approval be
granted with the condition that turbidity curtains or other
appropriate turbidity containment devices be utilized .
JAM/dvo
cc : Andy Hooten w/attachments
File (2)
DEPARTMENT OF ENVIRONMENTAL REGULATION
PERMIT APPLICATION APPRAISAL
•
File No. : 440754935 County: Monroe Date : 10-3-83.
Applicant Name : William J. Nichols
Address : 2447 Red Bud Lane, Wichita, Kansas 67204
Agent (if applicable) : Glen Boe, Design Management Associates , Inc .
Address : PO Box 3406 , Marathon Shores , FL 33052
Location of project : Section (s) 15 Township 66S Range 32E
Section (s) Township Range
Local Reference : Sombrero Isle, Marathon
Water Body: Man-made canal connected to Sisters Creek
Water Classification of Project Area : III Adjacent Waters : III
Aquatic Preserve :
Outstanding Florida Waters :
On site inspection by: John Meyer
Date of Inspection : 10-14-83 Original Application: Yes X No
Revised Application : Yes No Date : Date of 2nd Insp.
•
Biological and Water Quality Assessment
A. Description of proposed project and'>aconstruction 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 proje,.:t o.c b ic, c.;ica1 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
or minimize the potential impact of project.
PERM 16-10 (Rev. 6/79)
NICHOLS , WILLIAM J.
#440754935
Monroe County - Marathon
Page Two
A. The applicant proposes the excavation of a 62 ' x 24 ' x -6 °
to -8 ' (MLW) boat slip, involving the removal of +760 cubic
yards of uplands (above MHW) and +4Q - cubic yards below MHW.
This boat slip would provide boat mooring for a single family
residence.
The perimeter of the boat slip would be bulkheaded.
The material that would be dredged is primarily marl .
B . This general area of Marathon was originally low, mangrove-
dominated wetlands before dredge and fill work began in the
1950 ' s and 60 ' s , which created residential developments
(primarily single family residential lets) .
At present, a large network of shallow to moderately deep
canals abutting filled uplands empty into Sisters Creek.
Sisters Creek consequently connects to Hawks Channel to the
south and Boot Key Harbor to -the north.
The shorelines in this area 'generally- support a mangrove
fringe where a small amount of erosion has occurred. Where
no erosion has occurred (shorelines sheltered' from boat and
wind induced waves) , mangroves are not as common due to the
lack of sufficient shoreline shelf area.
The canals in this area are typically milky in appearance due
to the predominance of marl in the shoreline and underlying
• sediments .
Sombrero Isle is approximately one-quarter developed, with
properties adjacent to the project site remaining undeveloped
(no house construction) .
C. The applicant ' s property is situated on a narrow finger canal
that bisects Sombrero Isle. This canal possesses nearly verti-
• cal side walls and maximum depths on the order of -10 feet
(MLW) .
Where the boat slip is proposed, the canal side walls are
composed of soft marl (fine , clay-like texture) , supporting
green algaes such as Penicillus sp . , Batophora sp. and Caulerpa
sp. .
11111
NICHOLS, WILLIAM J.
#440754935
Monroe County - Marathon
Page Three
The upper edges of the shoreline support somewhat scattered
mangroves , including red mangroves (Rhizophora mangle) ,
black mangroves (Avicennia germinans) and white mangroves
(Laguncularia racemosa) . Other wetland plant species obser-
ved included beach carpet (Philoxerus vermicularis) and sea
purslane (Sesuvium portulacastrum) .
With respect to water quality in the canal system adjacent to
the project site , several items are important to note . There
was little or no water column stratification at the time of
recent dissolved oxygen monitoring (copy results enclosed) .
Although dissolved oxygen levels were not high (4 . 0 to 4 . 9 ppm) ,
little change was evident in values through the water column.
One of the primary reasons for the apparent lack of severe
water quality problems here is the relative lack of detrital
entrapment in these canals . Without this organic detrital
buildup on the bottom, sediments have remained aerobic and
free of hydrogen sulfide production.
During the course of monitoring, the following fish species
were observed: mullet (Mugil cephalus) , jack crevalle
(Caranx hippos) , and leatherjacket (Oligoplites saurus) .
D. The primary impact of concern is long term water quality
degradation within the proposed boat slip. Due to its length,
depth, and configuration, the possibility of water stagnation
and degraded water quality in the boat slip is increased.
Because water quality is thought to be marginal in the existing
canal to which the boat slip would be connected, there is con-
cern as to whether State standards for dissolved oxygen can be
met at all times in the proposed" boat slip.
• NICHOLS, WILLIAM J.
#440754935
Monroe County - Marathon
Page Four
E . As provided in Chapter 403 of the Florida Statutes and Section
17-3 . 121 (13) of the Florida Administrative Code, it is
• recommended that this application be modified prior to permit
approval .
The following recommendation is offered :
Excavate the boat slip parallel with the shoreline, as opposed
to its presently proposed perpendicular alignment. In this
way, it is felt that the severity of the shoreline discontinu-
ity can be reduced to an. acceptable degree .
•
JO MEYER, EN SPEC.
E : ober 1 8
READ :
GARY S FFER
JAM/dvo
Encl . as noted
• State of Florida Dr ;);.. of•
�� ENVIRONMENTAL REGULATION
: . .,1; 11 400 :,Overcas Highway
•
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Marathon, FL. 33050
•
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