CC Staff Report 01-12-2015CITY OF
CHANHASSFN
7700 Market Boulevard
PO Box 147
Chanhassen, MN 55317
Administration
Phone 952 2271100
Fax 952 2271110
Building Inspections
Phone 952 2271180
Fax 952 2271190
Engineering
Phone 952 2271160
Fax 952 2271170
Finance
Phone 952 2271140
Fax 952 2271110
Park & Recreation
Phone 952 2271120
Fax 952 2271110
Recreation Center
2310 Coulter Boulevard
Phone 952 2271400
Fax 952 2271404
MEMORANDUM
TO: Todd Gerhardt, City Manager
FROM: Terry Jeffery, Water Resources Coordinator
Kate Aanenson AICP, Community Development Director
DATE: January 12, 2015 V&
SUBJ: Approve Resolution Modifying Storm Water Fees for
Chanhassen Retail Fourth Addition — Planning Case 2014 -28
PROPOSED MOTION
"The Chanhassen City Council approves a resolution modifying the stormwater
fees for Chanhassen Retail Fourth Addition "
City Council approval requires a majority vote of city council.
BACKGROUND
On November 10, 2014 the City Council approved the final plat for Chanhassen
Retail Fourth Addition. Because there were no public improvements, the approval of
the plat included a resolution for the conditions of approval The applicant
recalculated the storm water construction fees. Modifications to the fees resolution
require council approval
ANALYSIS
Planning &
All site plans and subdivisions are required to install stormwater best management
Natural Resources
practices consistent with Chapter 19 of City Code In the case of the Chanhassen
Phone 952 2271130
Retail Fourth Addition site, it was agreed that it would be more beneficial to make
Fax 952 2271110
improvements to the pond located between Target and Minnesota Trunk Highway 5.
Public works
Staff agreed to take cash in lieu of constructing a stormwater practice This cash will
7901 Park Place
be applied to a scheduled collaborative project between the Riley- Purgatory -Bluff
Phone 952 2271300
Creek Watershed District and the City of Chanhassen to improve the hydraulics and
Fax 952 2271310
water quality function of pond LS -P3 31
Senior Center The cash amount was to be based upon the consulting engineer's opinion of cost to
Phone 952 2271125 construct a facility that would accommodate the modeled runoff volume from the site.
Fax 952 2271110 The original opinion of cost provided was $20,000. The engineer asked to revise the
website cost based upon using a different pre - treatment technology The revised opinion of
www ci chanhassen mn us cost was $12,000 Staff prepared an opinion of cost based upon bid prices received
for the 2014 road project and arrived at a cost of $25,200 (see attached staff estimate)
Chanhassen is a Community for Life - Providing for Today and Planning for Tomorrow
Todd Gerhardt
Chanhassen Retail Fourth Addition
January 12, 2015
Page 2
To resolve the disparity in cost estimates, it was agreed to split the difference between the two.
To this end, the recommended revised cash in lieu of constructing the stormwater practice should
be $18,500 rather than the $25,000 shown in the original resolution
RECOMMENDATION
The Chanhassen City Council approve the attached resolution modifying the stormwater fees for
Chanhassen Retail Fourth Addition
ATTACHMENTS
1 Storm Water Fee Calculation
2 Proposed Resolution amending Resolution 2014 -74 regarding stormwater fees
3 Original Resolution 2014 -74 adopted by the City Council on November 10, 2014.
g- \plan\2014 planning cases\2014 28 shops at chanhassen\storm water fee reduction.docx
NOODLES STORMWATER ESTIMATE
Costs Based Upon 2014 Road Project Bid Results
ITEM
UNITS
QUA IT C91,
SUBGRADE EXCAVATION °
YDS
162
$40 /YRD
$ 6,48000
FINE FILTER AGGREGATE Y
YDS
97
$90 /YRD
$ 8,73000
4" PVC SCHED 40 PERFORATED PIPE
LF
100
$10 50 /1-F
$ 1,05000
CONNECT TO STORM
EA
1
$300
$ 300.00
GEOTEXTILE or EPDM LINER
SF
1500
$1 50 /SF
$ 2,250.00
RAIN GUARDIAN
EA
1
$2,000
$ 2,00000
PLANTINGS o
EA
700
$3.00 /EA
$ 2,100.00
$22,91000
10% CONTINGENCY
$ 2,29100
TOTAL
$25,20100
q Assumes 40% void space and a water quality treatment volume of
1,757 CF
Assumes 1 foot bounce above filter medium as part of treatment
volume capacity
Assumes one plant per 2 25 square feet
This ignores land acquisition, engineering costs, mobilization costs as well as erosion prevention
and sediment control costs
You created this PDF from an application that is not licensed to print to novaPDF printer (http / /www novapdf com)
CITY OF CHANHASSEN
CARVER AND HENNEPIN COUNTIES, MINNESOTA
DATE: January 12, 2015
MOTION BY:
RESOLUTION NO: 2015-
SECONDED BY:
A RESOLUTION MODIFYING STORM WATER FEES FOR
CHANHASSEN RETAIL FOURTH ADDITION
WHEREAS, on November 10, 2014, the City Council approved Resolution #2014 -74
approving the final plat for Chanhassen Retail Fourth Addition creating one lot and one outlot;
and
WHEREAS, Condition #2 of Resolution #2014 -74 required the applicant to submit
$25,000 in lieu of constructing a stormwater facility; and
WHEREAS, the $25,000 amount was based upon the consulting engineer's opinion of
cost to construct a stormwater facility, and
WHEREAS, the estimate of the cost to construct the stonnwater facility has been
modified based on using an different pre- treatment technology; and
WHEREAS, the recommended revised cash requirement in lieu of constructing a
stormwater facility is $18,500.
NOW, THEREFORE, BE IT RESOLVED that the City Council approves the
following modification to Condition #2 of Resolution 2014 -74 as follows-
2 The applicant shall submit $18,500 in lieu of constructing stormwater best management
practices to be used exclusively for the improvement of the water quality downstream of the
site.
ATTEST:
Todd Gerhardt, City Clerk/Manager
YES
NO
g \plan \2014 planning cases \2014 28 shops at chanhassen \subdivision resolution1doc
Denny Laufenberger, Mayor
ABSENT
CITY OF CHANHASSEN
CARVER AND HENNEPIN COUNTIES, MINNESOTA
DATE: November 10, 2014 RESOLUTION NO: 2014 -74
MOTION BY: Laufenburger SECONDED BY: Ernst
A RESOLUTION APPROVING A FINAL PLAT
CREATING CHANHASSEN RETAIL FOURTH ADDITION
WHEREAS, Willow -MN, LLC, has requested final plat approval for Chanhassen Retail
Fourth Addition creating one lot and one outlot and
WHEREAS, the proposed subdivision complies with all requirements of the Chanhassen
City Code, and
WHEREAS, the Chanhassen Planning Commission held a public hearing on September
16, 2014 and found the plan consistent with the Chanhassen Comprehensive Plan and Zoning
ordinance and recommended approval of the subdivision
NOW, THEREFORE, BE IT RESOLVED that the City Council approve the plat of
Chanhassen Retail Fourth Addition subject to the following conditions
Engineering
Before the final plat is recorded the Surface Water Management fees, Park Dedication fees,
and GIS fees, $45 00, must be paid as well as any recording fees not collected with the final
plat application
2 The applicant shall submit $25,000 in lieu of constructing stormwater best management
practices This shall be due at time of final plat to be put into an account to be used
exclusively for the improvement of water quality downstream of the site
The Storm Water Utility fee for the 2014 rate is $18,525 10 and shall be due at final plat
4 The final plat must dedicate drainage and utility easements around the perimeter of the
property in accordance with City Code Section 18 -76
Park and Trail
Full park fees shall be collected as a condition of approval for Shops at Chanhassen. The park
fees in full at the rate in force upon final plat submission (2014 rate $7,562 60)
Passed and adopted by the Chanhassen City Council this l Och day of November, 2014
ATTEST:
Todd Gerhardt, City Clerk/Manager
YES
Furlong
Ernst
Laufenburger
McDonald
Tj ornhom
NO
None
2
Thomas A. Furlong, Mayor
ABSENT
None