1f. Robinson Lake Susan Shoreline: Approve Contract Quote
CITY OF
CHANHASSEN
7700 Market Boulevard
PO Box 147
Chanhassen, MN 55317
Administration
Phone: 952.227.1100
Fax: 952.227.1110
Building Inspections
Phone: 952.227.1180
Fax: 952.227.1190
Engineering
Phone: 952.227.1160
Fax: 952.227.1170
Finance
Phone: 952.227.1140
Fax: 952.227.1110
Park & Recreation
Phone: 952.227.1120
Fax: 952.227.1110
Recreation Center
2310 Coulter Boulevard
Phone: 952.227.1400
Fax: 952.227.1404
Planning &
Natural Resources
Phone: 952.227.1130
Fax: 952.227.1110
Public Works
1591 Park Road
Phone: 952.227.1300
Fax: 952.227.1310
Senior Center
Phone: 952.227.1125
Fax: 952.227.1110
Web Site
www.ci.chanhassen.mn.us
44
1\1EMORANDUM
TO:
~l O.
Paul Oehme, City Engineer/Dir. of Public Works \, ~
Krista Spreiter, Natural Resources Technician yt7v o,l\y.
April 28, 2008
FROM:
DATE:
SUBJ:
Robinson Lake Susan Shoreline Stabilization SWMPI4F-4:
Approve Contract Quote for Installation of Shoreline Stabilization
REQUESTED ACTION
City Council is recommended to authorize the expenditure of funds and approve
the construction contract in the amount of $23,435.40 with Minnesota Native
Landscapes, Inc. for the above referenced project.
BACKGROUND
Currently, there is a public sanitary sewer line
property at 8502 Water's Edge Drive, parallel
Over time, the shoreline on the Robinson
sanitary sewerline to the point of
DISCUSSION
City staff is concerned with the possible
the shoreline on the Robinson property, as well
sedimentation that is occurring a~ a result which could
Lake Susan. Severe erosion has occurred
17 feet from its original position. This
sanitary sewer pipe may become exposed
On March 18, 2008, plans and specifications
Design Group, Inc. for the restoration and
Robinson property. These plans and specifications
stabilization of the shoreline using the following
. Earthwork is to be done in the eroded area using common bOrrOW fill\Vith
additional topsoil MnDOT Specification 3877-2 as needed.
. A boulder toe is to be installed, inter-planted with shoreline emergent
plants in order to further stabilize the shoreline.
. A 15' wide buffer is to be planted with native plants, to offer protection
and stabilization of thesIiQr~lille;ias;well as water quality benefits. This
buffer is to be later extended by the homeowner, at homeowner cost.
The City 01 Chanhassen . A growing community with clean lakes, quality schools, a Charming downtown, thriving businesses, winding trails, and beautiful parks. A great place to live, work, and play.
Paul Oehme
Robinson Lake Susan Shoreline Stabilization
SWMP14F-4
April 28, 2008
Page 2
. A two-year maintenance agreement will also be included as part of the
proposed project. Tree protection fence will be used as needed. Erosion
protection, topsoil, and seed will also be installed as part of the restoration
process.
These plans and methods for the proposed shoreline restoration and stabilization
on the Robinson property are a result of discussion between City staff, The
Kestrel Design Group, Inc., and the homeowner, based on experience in similar
projects, cost, and water quality benefits. The shoreline erosion occurring on the
Robinson property is a public health, as well as a water quality concern, and needs
to be properly restored and stabilized by the City of Chanhassen.
Funding for this project has been budgeted in the 2008 Surface Water
Management Fund.
On April 1, 2008, quotes for the Robinson Shoreline Stabilization on Lake Susan
were requested from four separate contractors. Two quotes were received and are
summarized as follows:
MN Native Landscapes,
Inc.
Natural Shore
Technologies, Inc.
$13,935.40
$9,500
$23,435.40
$27,437.50
$7,200
$34,637.50
Based upon the two quotes received, staff is recommending approving the lesser
quote submitted by MN Native Landscapes, Inc. and authorizing the installation
of the shoreline stabilization by MN Native Landscapes, Inc. for $23,435.40.
The anticipated schedule of the project is as follows:
Approve Quote
Start Construction
Substantial Completion
May 12, 2008
May 19, 2008
July, 2008
RECOMMENDATION
Staff recommends that City Council approve expenditure of funds and award
contract to MN Native Landscapes, Inc. for the Robinson Property Lake Susan
Shoreline Stabilization Project Number SWMP14F-4.
Attachments
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Capital Improvement Program
City of Chanhassen, MN
2008 thrn 2012
Contact
Department Surface Water Management
Type Improvement
Useful Life
Category SWMP
Priority nla
Project #
SWMP-030
Project Name Lake Susan Shoreline Restoration Improvements
Account # 1
Account #2
Account # 3
Total Project Cost $90,000
Description
Residents around Lake Susan have requested the City ofChanhassen to repair shoreline erosion problems. Restoration of the shoreline took place
at Lake Susan Park in 2006. The restoration under this project is similar in nature to the 2006 project. The funding from o.ther Agency
Contributions will come from Water Shed District funds.
Justification
To reduce shoreline erosion.
Expenditures
Construction
2008
90,000
90,000
2009
2010
2011
2012
Total
90,000
90,000
Total
Funding Sources 2008 2009 2010 2011 2012 Total
Other Agency Contribution 39,000 39,000
Surface Water Utility Fund 51,000 51,000
Total 90,000 90,000
Operational Impact/Other
113