3.b 051_0120 Boat Ramp Concept Plan 20160428w ater
ecology
c o mmunit y
LOGHOUSE LANDING
BOAT RAMP STABILIZATION
CONCEPT PLAN
4/29/2016
DRAINTILE PIPE WITH STABLIZED OUTLET
CONCRETE PAVEMENT ANCHORS AND
DRAIN TILE CENTERED BETWEEN JOINTS;
PER MNDOT STANDARD PLAN 5-297.235
(32) 12’ WIDE CONCRETE PLANKS;
SUPPLIED BY MN DNR; ANGLE RAMP
DOWNSTREAM 14˚ OF PERPENDICULAR
(SEE ATTACHED DNR STANDARD DETAIL)
DRESSER TRAP ROCK AGGREGATE
SPILLWAY (VELOCITY TO DETERMINE SIZE)
STABILIZE WASHED OUT FOOT
PATH WITH ROUGH CUT STONE STAIR
BUILD UP GRADE (APPROX. 6”) TO DIRECT
WATER AWAY FROM TOP OF RAMP
REINFORCED CONCRETE DRIVE RAMP
STABILIZE ROADWAY BANKS WITH 18-36”
BOULDERS OVER GEOTEXTILE FABRIC;
SEED DISTURBED SLOPES WITH NATIVE
SEED MIX AND NETLESS FIBER BLANKET
ST. CROIX RIVER
24%
12’
13%
2%
cross-
slope
EROSION CONTROL
FIBER ROLL
CONCRETE PAVING JOINTS AT 15’ O.C.
DISTURBANCE AREA BELOW OHW -
616 SF
NOTE: SITE EROSION CONTROL WILL CONSIST OF FIBER ROLLS
ABOVE OHW AND SILT CURTAIN AROUND UNDERWATER
EXCAVATION AREAS. SEE ATTACHED DETAIL FOR PROPOSED
EXCAVATION DEPTH OF PLANK INSTALLATION.
DRAIN TILE AT PERIMETER OF
CONCRETE RAMP
NOTE: EOR HAS DEVELOPED THIS PLAN AS A
CONCEPT FOR RAMP STABILIZATION ONLY. FINAL
DIMENSIONS, MATERIALS, AND METHODS FOR
CONSTRUCTION SHALL BE DETERMINED BY THE
CONTRACTOR AND THE CITY OF SCANDIA.
40 8 16
1
5
'
0
'
'
1
5
'
0
'
'
1
5
'
0
'
'
A
A
6
4
1
3
1
:
2
0
L
O
N
G
I
T
U
D
I
N
A
L
R
O
A
D
W
A
Y
P
R
O
F
I
L
E
6
'
'
6
'
'
6
'
'
<
R
O
A
D
W
A
Y
6''6''
2' 6''
3 SPS.
AT 6''
T
T/2
S
E
C
T
I
O
N
B
-
B
P
A
V
E
M
E
N
T
E
D
G
E
SEE DETAIL C 6''
6
'
'
4'
0
'
'
T/2
ROUGH FINISH ON ANCHOR SURFACE 15'
0
'
'
B
A
S
E
BASE
6''6''
2' 6''
S
E
E
A
N
C
H
O
R
D
E
T
A
I
L
ANCHO
R
D
E
T
A
I
L
BB
S
P
E
C
.
3
1
4
9
.
2
J
A
G
G
R
E
G
A
T
E
F
I
N
E
F
I
L
T
E
R
B
A
C
K
F
I
L
L
W
I
T
H
A
N
C
H
O
R
1
2
'
'
4''
4''
1
2
'
'
P
E
R
M
E
A
B
L
E
A
G
G
R
E
G
A
T
E
B
A
S
E
D
E
N
S
E
G
R
A
D
E
D
A
G
G
R
E
G
A
T
E
B
A
S
E
S
L
O
P
E
V
A
R
I
E
S
7
<
R
O
A
D
W
A
Y
L
U
G
A
N
C
H
O
R
W
I
D
T
H
S
E
C
T
I
O
N
A
-
A
T
H
E
D
O
W
N
G
R
A
D
E
S
I
D
E
O
F
T
H
E
A
N
C
H
O
R
.
N
O
F
O
R
M
S
S
H
A
L
L
B
E
U
S
E
D
I
N
T
H
E
C
O
N
S
T
R
U
C
T
I
O
N
O
F
U
P
G
R
A
D
E
S
I
D
E
O
F
T
H
E
A
N
C
H
O
R
.
F
O
R
M
S
S
H
A
L
L
B
E
U
S
E
D
I
N
C
O
N
S
T
R
U
C
T
I
O
N
O
F
T
H
E
1
2
3
4
5
6
7
N
O
T
E
S
:
D
E
T
A
I
L
C
C
O
N
C
R
E
T
E
P
A
V
E
M
E
N
T
S
L
A
B
C
O
N
C
R
E
T
E
P
A
V
E
M
E
N
T
S
L
A
B
PAVT.
SLAB
PAVT. SLABT
D
R
I
V
I
N
G
L
A
N
E
S
S
H
O
U
L
D
E
R
A
S
R
E
Q
U
I
R
E
D
A
N
C
H
O
R
AS REQUIRED 1' 0''3' 0''
3''
1
:
2
0
S
E
E
E
N
L
A
R
G
E
D
D
E
T
A
I
L
C
B
R
I
D
G
E
A
P
P
R
O
A
C
H
P
A
N
E
L
A
N
C
H
O
R
+
4
%
G
R
A
D
E
O
R
G
R
E
A
T
E
R
1' 6''
5
P
R
O
V
I
S
I
O
N
S
O
F
S
P
E
C
.
2
5
0
2
A
N
D
S
P
E
C
I
A
L
P
R
O
V
I
S
I
O
N
S
.
H
E
A
D
W
A
L
L
I
N
A
C
C
O
R
D
A
N
C
E
W
I
T
H
T
H
E
A
P
P
L
I
C
A
B
L
E
M
A
N
U
A
L
F
O
R
C
O
N
C
R
E
T
E
H
E
A
D
W
A
L
L
D
E
T
A
I
L
S
.
P
L
A
C
E
R
U
N
P
I
P
E
T
O
S
T
O
R
M
S
E
W
E
R
.
S
E
E
S
T
A
N
D
A
R
D
P
L
A
T
E
S
U
S
E
A
P
R
E
C
A
S
T
C
O
N
C
R
E
T
E
H
E
A
D
W
A
L
L
A
T
O
U
T
L
E
T
O
R
M
I
N
I
M
U
M
T
W
O
I
N
C
H
E
S
C
O
V
E
R
.
E
X
C
E
P
T
A
S
N
O
T
E
D
.
D
E
F
O
R
M
E
D
B
A
R
S
A
S
P
E
R
S
P
E
C
.
3
3
0
1
A
N
D
H
A
V
E
A
A
L
L
R
E
I
N
F
O
R
C
E
M
E
N
T
S
H
A
L
L
B
E
E
P
O
X
Y
C
O
A
T
E
D
A
B
R
I
D
G
E
A
P
P
R
O
A
C
H
P
A
N
E
L
.
S
T
E
E
P
G
R
A
D
I
E
N
T
(
4
%
O
R
G
R
E
A
T
E
R
)
A
N
D
A
B
U
T
S
W
H
E
R
E
A
R
I
G
I
D
P
A
V
E
M
E
N
T
I
S
C
O
N
S
T
R
U
C
T
E
D
O
N
A
T
H
E
P
A
V
E
M
E
N
T
E
N
D
A
N
C
H
O
R
I
S
T
O
B
E
U
S
E
D
O
N
L
Y
3 SPS.
A
T
1
'
0
'
'
5
'
6
'
'
(
M
E
A
S
U
R
E
D
O
N
<
R
O
A
D
W
A
Y
)
S
P
A
C
E
A
T
1
'
0
'
'
C
.
T
O
C
.
4
'
'
D
I
A
.
T
P
N
O
N
-
P
E
R
F
.
P
I
P
E
4
'
'
D
I
A
.
T
P
P
E
R
F
.
P
I
P
E
T
Y
P
E
1
S
P
E
C
.
3
7
3
3
G
E
O
T
E
X
T
I
L
E
(
P
A
B
)
A
G
G
R
E
G
A
T
E
P
E
R
M
E
A
B
L
E
H
A
U
N
C
H
B
O
T
T
O
M
1
/
3
O
F
P
I
P
E
3
2
4
5
(
N
O
G
E
O
T
E
X
T
I
L
E
W
R
A
P
)
4
'
'
D
I
A
.
T
P
P
E
R
F
O
R
A
T
E
D
P
I
P
E
W
H
I
C
H
N
O
D
I
R
E
C
T
P
A
Y
M
E
N
T
W
I
L
L
B
E
M
A
D
E
.
T
H
E
P
A
V
E
M
E
N
T
E
N
D
A
N
C
H
O
R
I
S
I
N
C
I
D
E
N
T
A
L
F
O
R
4
'
0
'
'
A
N
C
H
O
R
2
'
6
'
'
6''6''6''6''W
< ROADWAY
1
5
'
0
'
'
P
L
A
N
V
I
E
W
5
'
6
'
'
SPACE BARS AT 1' 0'' C. TO C.SPACE BARS AT 1' 0'' C. TO C.
2
'
6
'
'
C5H-D
C
5
H
-
D
C
5
H
C
5
H
-
D
C
5
H
-
D
C
5
H
C5HC5H-DC5H-D
C
5
H
C
5
H
C
5
H
-
D
T
O
P
A
V
E
M
E
N
T
C
O
N
S
T
R
U
C
T
I
O
N
W
I
T
H
M
I
X
N
O
.
3
A
3
2
H
E
.
L
U
G
A
N
C
H
O
R
S
S
H
A
L
L
B
E
C
O
N
S
T
R
U
C
T
E
D
2
D
A
Y
S
P
R
I
O
R
T
H
E
D
R
A
I
N
S
H
A
L
L
B
E
C
O
N
S
I
D
E
R
E
D
I
N
C
I
D
E
N
T
A
L
.
H
E
A
D
W
A
L
L
A
N
D
A
N
Y
O
T
H
E
R
W
O
R
K
R
E
Q
U
I
R
E
D
T
O
P
L
A
C
E
A
N
C
H
O
R
.
D
R
A
I
N
E
X
C
A
V
A
T
I
O
N
,
B
A
C
K
F
I
L
L
,
D
R
A
I
N
P
I
P
E
,
D
R
A
I
N
S
H
A
L
L
B
E
P
L
A
C
E
D
A
F
T
E
R
C
O
N
S
T
R
U
C
T
I
O
N
O
F
P
E
R
M
E
A
B
L
E
A
G
G
R
E
G
A
T
E
(
P
A
B
)
A
G
G
R
E
G
A
T
E
B
A
S
E
A
G
G
R
E
G
A
T
E
B
A
S
E
O
F
T
H
E
A
N
C
H
O
R
.
P
L
A
C
E
D
A
N
D
C
O
M
P
A
C
T
E
D
P
R
I
O
R
T
O
C
O
N
S
T
R
U
C
I
O
N
S
E
L
E
C
T
G
R
A
N
U
L
A
R
B
O
R
R
O
W
M
O
D
1
0
%
S
H
A
L
L
B
E
P
E
R
M
E
A
B
L
E
A
G
G
R
E
G
A
T
E
B
A
S
E
S
Y
S
T
E
M
D
E
N
S
E
G
R
A
D
E
D
A
G
G
R
E
G
A
T
E
B
A
S
E
O
R
2
2
B
O
T
T
O
M
1
/
3
O
F
P
I
P
E
3
7
3
3
T
Y
P
E
1
)
H
A
U
N
C
H
3
2
4
5
(
G
E
O
T
E
X
T
I
L
E
W
R
A
P
,
4
'
'
D
I
A
.
T
P
P
E
R
F
O
R
A
T
E
D
P
I
P
E
S
T
D
.
P
L
A
N
5
-
2
9
7
.
2
2
7
C
O
N
C
R
E
T
E
S
I
L
L
,
R
E
F
E
R
T
O
O
R
B
R
I
D
G
E
A
P
P
R
O
A
C
H
T
R
E
A
T
M
E
N
T
S
S
H
E
E
T
S
.
S
E
E
S
T
D
.
P
L
A
N
5
-
2
9
7
.
2
3
3
O
R
5
-
2
9
7
.
2
3
4
A602EA603E
A
6
0
2
E
B
A
R
S
A
T
1
'
0
'
'
C
.
T
O
C
.
A
6
0
3
E
1
0
'
0
'
'
L
E
N
G
T
H
1
'
0
'
'
C
.
T
O
C
.
A
5
0
1
E
B
A
R
S
A
T
BARS
6'', A404E
3 SPS. AT
A404E
B
A
R
S
A
4
0
5
E
A
4
0
5
E
4
-
A
4
0
4
E
H
O
R
I
Z
O
N
T
A
L
A
5
0
1
E
,
A
6
0
2
E
,
A
6
0
3
E
&
A
4
0
5
E
B
A
R
S
A
5
0
1
E
T
Y
P
.
A
6
0
3
E
2
-
A
6
0
2
E
A501E, A602E, A603E & A405E A501E, A602E, A603E & A405E
A
5
0
1
E
4
-
A
4
0
4
EMI
N
N
E
S
O
T
A
D
E
P
A
R
T
M
E
N
T
O
F
T
R
A
NSP
O
RTAT ION
R
E
V
I
S
E
D
:
A
P
P
R
O
V
E
D
:
8
-
6
-
2
0
1
4
S
T
A
T
E
D
E
S
I
G
N
E
N
G
I
N
E
E
R
S
T
A
N
D
A
R
D
P
L
A
N
5
-
2
9
7
.
2
3
5
1
O
F
1
P
A
V
E
M
E
N
T
E
N
D
A
N
C
H
O
R
S
U
N
D
E
R
C
O
N
C
R
E
T
E
P
A
V
E
M
E
N
T
(
G
R
A
D
E
S
4
%
O
R
G
R
E
A
T
E
R
)
REVISION:APPROVED: 8-6-2014 REVISION:DIRECTOR, OFFICE OF MATERIALS AND ROAD RESEARCH