HomeMy WebLinkAbout20170536 Ver 2_shoreline plans for permitting_20190212PROJECT SITE
SHEETINDEX
1: TITLE
2: EXISTING CONDITIONS
3: PROPOSED PLAN
4-6: DETAILS
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SHORELINE STABILIZATION o
EFA PROPERTIES LLC
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LAKE TOXAWAY
LAKE TOXAWAY PROPERTY
OWNERS ASSOCIATION, INC.
DB 211, PG 410
STONE WALL
APPROX 12" WIDE
S88°39'00"E 27.44' S88°39'00"E 43.32'
(PF 16, SLIDE 430) (PF 16, SLIDE 430)
• S62°10'38"E 10.98'
(PF 16, SLIDE 430)
HISTORICAL PLAT
LINE S88°37'48"E 80.95' +
BOAT HOUSE PEf�PB 2, PG 147 (PF 16, SLIDE 430)
CURRENT LOT LINE S85°55'31" E �
PER PF 16, SLIDE 430 48.14' N46°17'21"E 10.10'�-
Y (PF SLIDE IDE 430)
�►, (PF 16, SLIDE 430) }
DRAINAGE -
OUTLET • �� ;
t �
{
CURRENT WATER
SURFACE ELEV:3009.69' -
• HISTORICAL PLAT t
DOCKTPER
LINE PB 2, PG 147 LOT 54A, REVISED
EFA PROPERTIES LLC ui
D.B. 734, PAGES 428 - IN 3 o
t/ PF 16, SLIDE 430
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co
—2015 WATER LINE 1 a
TROUT BUFFER
AREA OF EARTH FILL (CROSS HATCH) -Awl ' �I
'
STONE WALL
APPROX 24" WIDE • F a r'
PROPERTY BOUNDARY INFORMATION
FROM 6/5/18 SURVEY BY SPRINKLE
SURVEYING, PA.
- - � � `} - { 4 � s� �" ,� ��`'• =tom
CURRENT LOT LINE PER (PF 1 -*
HISTORICAL PLAT 16, SLIDE'430)
LINE +
l "ER PB 2, PG 147
_Z
r. S85°53'32"W 180.88'
Q(PF 16, SLIDE 430)
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w "' S85°53'32"W 17.00' � f
a (PF 16, SLIDE 430)
w.
2.29, s
1
.i ' No o Z
It
ilk.. -- ti L. • r U
LTJ
TYPE 1 TURBIDITY CURTAIN - ,cnLli
ANCHORED TO DOCK AND SHORELINE`- _
;.,iiN!!N ■ a i+ � a __ - ! .� ♦t ��t .. iii ♦O
EXISTING BOULDER
WALL AND FILL TO BE
REMOVED; IMPACT 02
PROTECT EXISTING TREES; AVOID_, ti ' _ <_wc')
GRADING WITHIN DRIP LINES
EXISTING DOCK TO
BE PROTECTED
Y O
U) 0 O
Lu � coo U
2015 WATER LINE USE EXISTING WALKWAY TO z N z
ACCESS WORK AREA, AVOID < w z
DISTURBING GROUND SURFACE p w o 2
Z w N m
w rn Q U
z
PROPOSED OUTER LIMIT OF
SHORELINE STABILIZATION; 7 TROUT BUFFER
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IMPACT 01
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00 �
H Q
cn Lu X
. Z O 0
J w
� Y
R 1
O J
= Lu
DATE: FEB. 2019
SCALE: AS SHOWN
NOTE: EXCAVATED FILL MATERIALS SHALL BE
HAULED TO A PERMITTED DISPOSAL SITE OFF PROPOSED PLAN
THE PROPERTY. NO ON-SITE STOCKPILING OF 0 30 60 90
EXCAVATED MATERIAL SHALL BE ALLOWED.
SHEET 3 OF 6
2015 WATER LINE; SEE PLAN
I
I
I
I
I
FILL WIDTH VARIES, SEE PLAN
EXISTING BOULDER SEAWALL
iiiiii-111
1I III I-1III I-IMI-IMI-IMI-VIII=VIII=VIII-VIII=II11o APPROXIMATE POOL
— —
1�=11111=11111=11111=11111=11111=11111=11111= III=11111
llL=J1 LL 1111
EXISTING CONDITIONS EXISTING LAKE BED
2015 WATER LINE; SEE PLAN
SEE DISTURBED AREA STABILIZATION DETAILS
CONFORM TO I
EXISTING GROUND\
� I
12" TO 18" DEPTH
SALVAGED CLEAN SOIL/TOPSOIL =III
1.5 MIN.
50-50 MIX OF
CLASS A RIPRAP AND 57 STONE
EXCAVATE TO STABLE
SUBGRADE SOILS
LEGEND
EXISTING
PROPOSED
SALVAGED BOULDERS,
TYP. 1 TON MIN.
0
EXISTING FILL TO BE REMOVED;
IMPLEMENT SEDIMENT CONTROL MEASURES,
SEE SHEET 6
WEDGE BRANCHES AND LIMBS <4"
DIAM. BETWEEN BOULDERS FOR
FISH HABITAT WHERE FEASIBLE
APPROXIMATE NORMAL P
REMOVE FILL TO
ORIGINAL LAKE BED
3' MIN. \- CLASS 1 RIPRAP
TYPE 2 NON -WOVEN
FILTER FABRIC
PROPOSED CONDITIONS
1. SALVAGE TOPSOILAND BOULDERS FOR RE -USE TO THE EXTENT FEASIBLE.
2. LEAVE EXISTING BOULDER WALL IN PLACE WHILE FILL SOILS ARE REMOVED.
3. EXCESS SOIL SHALL BE HAULED TOA PERMITTED DISPOSAL SITE.
4. SEED AND MULCH DISTURBED SOIL. SEE SEEDING SPECS SHEET 5.
5. INSTALL LIVE STAKES ALONG SHORELINE AS SPACE PERMITS. SEE SHEET 5.
TYPICAL SECTIONS
4 SHORELINE STABILIZATION
(q U
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W 6
I— z_
Lu
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0q IS
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z�0
J a W
Lu
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= W
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DATE: FEB. 2019
SCALE: AS SHOWN
TYPICAL
SECTIONS
SHEET 4 OF 6
n
m
cwt)
=U1
N -� _
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rn
N
w
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DATE: FEB. 2019
SCALE: AS SHOWN
TYPICAL
SECTIONS
SHEET 4 OF 6
cwt)
=U1
N -� _
(q U
n' d
W 6
I— z_
Lu
W
Q W
W U
2 w
0
0q IS
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Lu
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= W
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DATE: FEB. 2019
SCALE: AS SHOWN
TYPICAL
SECTIONS
SHEET 4 OF 6
PERMANENT SEED MIX
Seeding Rate = 20 Ib/acre
Mulching: wheat or oat straw mulch applied at 2 tons/acre
Common Name
Scientific Name
Percentage
Deer Tongue
Panicum clandestinum
20
Fox Sedge
Carex vulpiniodea
25
Soft Rush
Juncus effusus
25
Woolgrass
Scirpus cypennus
20
River Oats
Chasmanthium latifolium
10
TEMPORARY SEED MIX
Application Dates
Common Name
Scientific Name
Rate (Ib/acre)
Applied
Rate (Ib/acre)Applied
TOP CUT AT 15°
W
Separately
w/ Permanent Mix
August 15 to May 1
Rye Grain
Secale cereale
120
60
May 1 to August 15
Browntop Millet
Panicum ramosum
40
20
ri_'� SEED MIXES
5 DISTURBED AREAS
n
Q
SEED AND MULCH DISTURBED AREA
a
0
0
Co
TOP CUT AT 15°
W
00
Of N U
\
AFTER
Q z
U z
INSTALLATION
w
c z
MIN. 2 NODES 4' O.C.
Z
o
ABOVE GRADE
Q
(�
'>u)
a)
—BUDS POINTED
W
= w
Y _j
Q U
w
UPWARD
z
LIVE STAKE
SECTION
NOTES:
1. PROTECT EXISTING TREES ALONG SHORELINE TO THE
EXTENT PRACTICAL.
2. APPLY TEMPORARY AND PERMANENT SEED MIXES AND
MULCH TO DISTURBED SOIL.
3. WHERE SPACE ALLOWS, LIVE STAKE DISTURBED AREAS.
4. FORM PILOT HOLE THROUGH HARD SOIL OR STONE TO
PREVENT DAMAGE TO STAKE.
5. LIVE STAKE MIX TO INCLUDE AT LEAST TWO OF THE
FOLLOWING SPECIES: SILKY DOGWOOD, SILKY WILLOW,
ELDERBERRY, NINEBARK, BUTTONBUSH.
18" MIN.
1/2" TO 2"
BASE CUT
AT 45 DEG.
LIVE STAKE DETAIL
2 DISTURBED AREA STABILIZATION
5 NTS
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Q J U
Z
N_
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H W Q
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ZOO
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D_
L J
L.
Ow
U)
DATE: FEB. 2019
SCALE: AS SHOWN
DETAILS
SHEET 5 OF 6
18 OZ/SQ. YD. PVC
LAMINATED POLYESTER FABRIC
LAKE BED ---_____
EXISTING BOULDER WALL
TO BE LEFT IN PLACE
DURING FILL REMOVAL
PLASTIC
SHEETING
iO4ratirx14
1. ANCHOR CURTAIN TO SHORELINE AND/OR DOCK
WITH 1/4" STEEL CHAIN.
2. APPROX. LENGTH OF CURTAIN IS 200 LF.
r—J) TYPE 1 TURBIDITY CURTAIN
'\__j6 NTS
NOTES ON CONSTRUCTION SEQUENCE:
1. DEPLOY TURBIDITY CURTAIN AND ANCHOR TO SHORELINE AND/OR DOCK AS APPROPRIATE.
2. INSTALL PLASTIC SHEETING AFTER FILL SOIL IMMEDIATELY BEHIND WALL IS REMOVED.
3. USE PUMP TO DE -WATER WORK AREA ONCE PLASTIC SHEETING IS INSTALLED.
4. WORK FROM THE SHORELINE AS MUCH AS IS PRACTICAL AND AVOID EQUIPMENT ACCESS
TO LAKE BED DURING FILL REMOVAL.
5. FILL SOIL SHALL BE HAULED TO A PERMITTED OFF-SITE DISPOSAL AREA.
6. REMOVE PLASTIC SHEETING AND CEASE PUMPING ONCE ALL FILL SOIL IS REMOVED.
7. REMOVE AND SALVAGE BOULDERS, TAKING CARE TO MINIMIZE DISTURBANCE TO LAKE BED
SOILS BY LIFTING BOULDERS VERTICALL RATHER THAN DRAGGING. SOME EQUIIPMENT
ACCESS TO THE LAKE BED WILL BE REQUIRED WHERE THE DISTANCE FROM SHORELINE TO
EXISTING WALL EXCEEDS THE REACH OF THE EXCAVATOR.
DISCHARGE HOSE
Uico
=U)
A
LAKE DEWATERING PUMP; =;�'" O Q'_
PLACE ON DOCK OR
■ �..... �. BOULDER WALL
' . SUCTION HOSE
A o
0
WORKa
AREA W � � U
----- � z o
z
Lu � U
w o J
z
Q �—
� � \ F3 Q J
W Z =w
PROPOSED = w cn
Q U
SHORELINE — z
PLAN
z
EXISTING
0 ()
10 MIL PLASTIC BOULDER WALL
N J Z
SHEETING
J U) LLI
SAND BAGS AS NEEDED -`
m
TO ANCHOR SHEETING =
F- Q
WORK AREA LAKE
U) W X
W O
n
z
SECTION A -A'
Q
Oma
Q
= W
rn
2 SEDIMENT CONTROL DETAIL
6 NTS
DATE: FEB. 2019
Lij
NON -WOVEN GEOTEXTILE SILT
C14o
z
BAG ON WOODEN PALLET OR
O
CLASS A STONE BASE.
p
(n
PROTECT EXISTING DOCK.
>
�
W
�
m
U
6" EPS FOAM FLOATATION
w
EXISTING DOCK
�
o
18 OZ/SQ. YD. PVC
LAMINATED POLYESTER FABRIC
LAKE BED ---_____
EXISTING BOULDER WALL
TO BE LEFT IN PLACE
DURING FILL REMOVAL
PLASTIC
SHEETING
iO4ratirx14
1. ANCHOR CURTAIN TO SHORELINE AND/OR DOCK
WITH 1/4" STEEL CHAIN.
2. APPROX. LENGTH OF CURTAIN IS 200 LF.
r—J) TYPE 1 TURBIDITY CURTAIN
'\__j6 NTS
NOTES ON CONSTRUCTION SEQUENCE:
1. DEPLOY TURBIDITY CURTAIN AND ANCHOR TO SHORELINE AND/OR DOCK AS APPROPRIATE.
2. INSTALL PLASTIC SHEETING AFTER FILL SOIL IMMEDIATELY BEHIND WALL IS REMOVED.
3. USE PUMP TO DE -WATER WORK AREA ONCE PLASTIC SHEETING IS INSTALLED.
4. WORK FROM THE SHORELINE AS MUCH AS IS PRACTICAL AND AVOID EQUIPMENT ACCESS
TO LAKE BED DURING FILL REMOVAL.
5. FILL SOIL SHALL BE HAULED TO A PERMITTED OFF-SITE DISPOSAL AREA.
6. REMOVE PLASTIC SHEETING AND CEASE PUMPING ONCE ALL FILL SOIL IS REMOVED.
7. REMOVE AND SALVAGE BOULDERS, TAKING CARE TO MINIMIZE DISTURBANCE TO LAKE BED
SOILS BY LIFTING BOULDERS VERTICALL RATHER THAN DRAGGING. SOME EQUIIPMENT
ACCESS TO THE LAKE BED WILL BE REQUIRED WHERE THE DISTANCE FROM SHORELINE TO
EXISTING WALL EXCEEDS THE REACH OF THE EXCAVATOR.
DISCHARGE HOSE
Uico
=U)
A
LAKE DEWATERING PUMP; =;�'" O Q'_
PLACE ON DOCK OR
■ �..... �. BOULDER WALL
' . SUCTION HOSE
A o
0
WORKa
AREA W � � U
----- � z o
z
Lu � U
w o J
z
Q �—
� � \ F3 Q J
W Z =w
PROPOSED = w cn
Q U
SHORELINE — z
PLAN
SCALE: AS SHOWN
DETAILS
SHEET 6 OF 6
z
EXISTING
0 ()
10 MIL PLASTIC BOULDER WALL
N J Z
SHEETING
J U) LLI
SAND BAGS AS NEEDED -`
Q
Q
TO ANCHOR SHEETING =
F- Q
WORK AREA LAKE
U) W X
W O
z
SECTION A -A'
w 0- Y
Oma
= W
2 SEDIMENT CONTROL DETAIL
6 NTS
DATE: FEB. 2019
SCALE: AS SHOWN
DETAILS
SHEET 6 OF 6