5.c) Log House Landing Ramp PlanSCANDIA
Staff Report
Date of Meeting: June 1, 2016
To: City Council
From: Neil Soltis, Administrator
Re: Log House Landing Boat ramp
Background: At the May 4 work session the Council and Board of the Carnelian -Marine -St. Croix
Watershed District reviewed and made comments on the concept plan for the boat ramp.
Revisions have been made to the plan and the Watershed District Board has requested a review of
the changes that were made to the plan before work on finalizing the requests for proposals to be
sent to contractors.
Issue: Are there additional changes that need to be made to the revised plan for the project?
Proposal Details: A copy of the plan is provided as an attachment. The plan includes additional
clarification as to the materials and the construction of the ramp. Once the design has been
approved by the Council and the Watershed Board, application will be made to the Army Corps
of Engineers for a permit.
Options:
1. Modify the plan
2. Approve the plan
CONCEPT PLAN
5/26/2016
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.
NOTE: EOR HAS DEVELOPED THIS PLAN AS A
CONCEPT FOR RAMP STABILIZATION ONLY. FINAL
DIMENSIONS, MATERIALS, AND METHODS FOR
CONSTRUCTION SHALL BE DETERMINED BYTHE
CONTRACTOR AND THE CITY OF SCANDIA.
ST. CROIX RIVER
60099 \ 69
69].33 GFA
GROUND
YI \ \
1 \
1 20084 II� � \
DECIDTREE UNE 1 69
GR BUILD UP GRADE (APPROX. 6") TO DIRECT
o ECIO TREE UNE I\
60086 I WATER AWAY FROM TOP OF RAMP
LOOf9 698.
GRAVEL62EDGE `
—�C'
\
\
1
DRAIN TILE AT PERIMETER OF
� 10" REINFORCED CONCRETE DRIVE RAMP,
CONCRETE RAMP 12' WIDTH -TOOLED, GROOVED SURFACE;
EXCAVATE RAMP AREA 4011-
� r i IMPORT 30" COMPACTED FILL
REMOVE BOULDERS AND STUMP FROM 60023 >
E 9 � 69a ;
RAMP AREA PRIOR TO CONCRETE WORK
STABILIZE WASHED OUT FOOT
PATH WITH 36"WIDTH ROUGH CUT
° 24%� STONE STAIR - INSTALL PRIOR TO RAMP
'
• ' a OVER GABION ANCHOR BASKETS
VFl GE � I
1 t
a
CONCRETE PAVING JOINTS AT 15'O.C. a '
CONCRETE PAVEMENT ANCHORS AND re
17 oG /
DRAIN TILE CENTERED BETWEEN JOINTS; y'69785 ` §aNDGE
PER MNDOT STANDARD PLAN 5-297.235 / ` 9a / EROSION CONTROL
NETLESS FIBER ROLL
STABILIZE ROADWAY BANKS WITH 18-36" 1
BOULDERS OVER GEOTEXTILE FABRIC;
SEED DISTURBED SLOPES WITH NATIVE � `'2%
SEED MIX AND NETLESS FIBER BLANKET-- _:, cross-
slope a 1
I
INCREASE RAMP WIDTH 2-3'AT OUTSIDE \
RADIUS - PER SITE CONDITIONS
^tet fi]p.5GE1912)
DRAINTILE PIPE WITH STABILIZED OUTLET °����� «�E�
OHW 680 - MSL 1912
10" DEPTH DRESSER (OR =) AGGREGATE
`L1 -
SPILLWAY OVER COMPACTED FILL;
3-4" DIA. ABOVE DRAIN OUTLET,
6" DIA. BELOW DRAIN PIPE OUTLET 81'93 /CLINK \�
B 16]95MSL 1912 f /
(32) 12' WIDE CONCRETE PLANKS;
SUPPLIED BY MN DNR; ANGLE RAMP
DOWNSTREAM 14° OF PERPENDICULAR -
(SEE ATTACHED DNR STANDARD DETAIL)
- INSTALL PRIOR TO CONCRETE RAMP
N
DISTURBANCE AREA BELOW OHW -
616 SF 0 4 s i'6
_ 200
X 680.0.0
6
EDGE OFWATER n /a,�E;
I
LOGHOUSE LANDING e a t e r
ecology
community
BOAT RAMP STABILIZATION