Approval Letter 11-16-20124
CITY OF
CHIMSEN
7700 Market Boulevard
PO Box 147
Chanhassen, MN 55317
November 16, 2012
Steve Kroiss
Galpin Blvd. Partners, LLC
P.O. Box 218
Chanhassen, MN 55317
Administration Re: Wynsong — Planning Case #2012 -16
Phone: 952.227.1100
Fax: 952.227.1110 Dear Mr. Kroiss:
Building Inspections This letter is to confirm that on November 13, 2012, the Chanhassen City Council
Phone: 952.227.1180 approved the preliminary plat creating our lots, pans prepared b
Fax: 952.227.1190 pp p y p g f l l p p y Otto Associates
dated 09/10/12, with a variance for the use of a private street, subject to the following
Engineering conditions:
Phone: 952.227.1160 ;.
Fax: 952.227.1170 Building Official Conditions
Finance
1.
The developer's proposed street name, Wynsong Lane, is acceptable and shall be
Phone: 952.227.1140
shown on the final plat of the property.
Fax: 952.227.1110
Park & Recreation
2.
Demolition permits must be obtained before demolishing any structures on the
Phone: 952.227.1120
site.
Fax: 952.227.1110
3.
A final grading plan and soils report must be submitted to the Inspections
Recreation Center
Division before permits can be issued.
2310 Coulter Boulevard
Phone: 952.227.1400
4.
Retaining walls over four feet high require a permit and must be designed by a
Fax: 952.2227.140
professional engineer.
Planning &
Natural Resources
5.
Each lot must be provided with separate sewer and water services.
Phone: 952.227.1130
Fax: 952.227.1110
Engineering Conditions
Public Works
1.
The private road must be within a 30 -foot wide access and maintenance easement
7901 Park Place
Phone: 952.227.1300
recorded against all four properties.
Fax: 952.227.1310
2.
At the end of the project, the developer must submit documentation stating that
Senior Center
the private road meets a 7 -ton design.
Phone: 952.227.1125
Fax: 952.227.1110
3.
The developer shall work with the existing homeowner to minimize service
Web Site
disruption during construction.
www.ci.chanhassen.mn.us
4.
Lot 1 has paid the sanitary sewer hook -up charge.
Chanhassen is a Community for Life - Providing for Today and Planning for Tomorrow
Steve Kroiss
November 15, 2012
Page Page 2 of 5
5. The sanitary sewer hook -up fees for Lots 2, 3 and 4 will be collected as set forth in the City
Code at the rate in effect at the time.
6. No water hook -up charges are due with this plat.
7. The existing 12 -inch drain tile and the proposed 4 -inch drain tiles shall be privately owned
and maintained.
8. Should the gas service to the existing home be relocated with this project, the existing service
via Lake Harrison Circle must be cut according to CenterPoint Energy's requirements.
9. Staff will work with the developer's engineer to either realign the wall so that it lies entirely
on one property, or draft an encroachment agreement for the wall, which would be recorded
against both properties.
Environmental Resource Specialist Conditions
1: The applicant shall custom grade lots and work with staff to try to preserve any of the
following trees currently proposed for removal:
Lot 2: #78, #86, #97, #70
Lot 3: #49, #59, #63, #64, #66
Lot 4: #133, #134, #137, 4138, 4142, #143
2. Prior to grading, each lot shall install tree protection fencing at the edge of grading limits.
3. Building permit surveys for each lot shall be required to show all inventoried trees within the
grading limits and 10 feet beyond and their removal or preservation status. Tree removal for
each lot shall be approved by the city.
4. The applicant shall work with staff to develop preservation easements to preserve existing
wooded areas on Lots 1, 3 and 4.
Fire Marshal Conditions
1. A three (3) foot clear space shall be maintained around the circumference of the fire hydrant
per MSFC Section 508.5.5.
2. Nothing shall be placed in a manner that would prevent or hinder operation of the fire
hydrant by firefighters per MSFC Section 508.5.4.
3. A street sign shall be installed at the street intersection prior to any new home construction
per MSFC Section 505.2.
4. " No Parking Fire Lane" signs shall be installed in the hammerhead turnaround. Contact
Chanhassen Fire Marshal for location of signs.
Steve Kroiss
November 15, 2012
Page Page 3 of 5
Parks & Recreation Conditions
1. The developer shall pay park dedication fees at the rate in effect at the time of final plat approval
concurrent with or prior to recording the final plat in lieu of parkland dedication or donation.
Planning Conditions
1. Revise the front lot line of Lot 1 to meet the 125 -foot minimum lot width.
Water Resources Coordinator Conditions
Surface Water Drainage and Treatment
1. Alternate stormwater management techniques will be allowed for the site. The proposal is to
use enhanced buffers and tree preservation for volume reduction and stormwater
management. Tree preservation areas must be contained within a legally recorded
preservation easement before release of the final plat. The wetland buffer must be included
within a drainage and utility easement or conservation easement.
2. Stormwater efficacy calculations shall be based upon Carver County Rules Calculator
Version 1.1 or the Minnesota MIDS Calculator Worksheet. This worksheet shall be updated
to reflect the conservation easement area and must exclude any wetland within the easement.
3. The eastern limit of the preservation easement on proposed Lot 4 shall be as shown in figure
2, protecting a wooded buffer at least 50 feet in width from the eastern wetland boundary and
preserving trees 133, 134, 136 and 140.
Natural Resource Protection
1. All wetland buffers shall meet the requirement codified in Sections 20 -411 and 20 -412 of
city code.
2. Buffers not meeting the minimum requirements for native vegetation as required by code or
being considered for enhanced buffers for stormwater management will require a vegetation
management plan.
Appropriate signage demarcating the boundary of the wetland buffer must be placed by the
applicant before release of the final plat. The signage must be at any point the buffer
boundary intersects with a property line, either existing or proposed, and any point of
deflection greater than 10 degrees. At no point may the distance between signs be greater
than 200 feet. Sign placement must be shown on a plan sheet.
4. Setbacks shall be labeled on the plan set as to if they are setbacks from the OHW of a Public
Water or setbacks from a wetland buffer.
5. All tree protection fencing shall employee metal T- posts.
Steve Kroiss
November 15, 2012
Page Page 4 of 5
Erosion and Sediment Control
1. All silt fences shall be machine sliced or heavy duty as defined in part 3886 of the MnDOT
Standard Specifications for Construction 2005 Edition.
2. Those areas to be protected from grading, construction traffic, material stockpiling or other
disturbance shall be clearly labeled on the plans and adequate protection in the form of
fencing with metal T -posts shall be shown on the plans and installed prior to any earth -
disturbing activities. This shall be included as part of the SWPPP.
3. Final stabilization must be shown on the grading plan. The graded areas contiguous to
wetland 1 and wetland 2 must be stabilized with Method 2, 3 or 4 as defined in part 2575 of
the MnDOT Standard Specifications for Construction 2005 Edition.
4. Seed mix or other method of establishing vegetation in disturbed areas shall be called out on
the plan set.
5. A method of establishing native vegetation within the disturbed buffer areas shall be called
out on the plans.
6. Sediment control best management practices shall be specified on the plan set for both
culverts draining to wetlands. Strong preference shall be given to inlet protection.
7. It shall be the responsibility of the applicant to assure compliance with all other pertinent
regulations and requirements, including, but not limited to NPDES permit requirements for
phased development where the total disturbance associated with the common development
exceeds the minimum threshold.
8. All applicable details shall be included within the plan set. The city can make these available
to the applicant.
Surface Water Management
1. The applicant shall provide the city with an exhibit quantifying those areas within
preservation easement, wetland, and wetland buffer areas so that the fees accurately reflect
the amount of developable land.
2. Based upon the information provided, SWMP fees due at Final Plat are estimated to be
$33,305.60.
Final plat documents must be submitted to the City 30 days prior to the City Council meeting in
which you wish to have your final plat approved. Conditions of the preliminary plat approval
must be addressed for final plat approval. Enclosed is the list of items required for submittal for
final plat approval.
Steve Kroiss
November 15, 2012
Page Page 5 of 5
Should you have any questions, please contact me at (952) 227 -1131 or by email at
benerousgci.chanhassen.mn.us
Sincere]
Robert Generous, AICP
Senior Planner
Enclosure
ec: Kate Aanenson, Community Development Director
Alyson Fauske, Assistant City Engineer
Todd Gerhardt, City Manager
Terry Jeffery, Water Resources Coordinator
Jerry Mohn, Building Official
c: Charles Song
g: \plan\2012 planning cases\2012 -16 wynsong \approval letter prelim plat.doc
ITEMS REQUIRED FOR FINAL PLAT CONSIDERATION
The following items are required to be submitted a minimum of 30 days prior to
City Council meeting and payment of a $250.00 final plat review fee:
Submit three (3) sets of full size, 50 scale construction plans and
specifications for staff review and redline.
• Utility plans shall show both plan view and profiles of all utilities
(sanitary sewer, water and storm sewer lines). The plan view must
show all drainage and utility easements.
• Grading and drainage plans shall show dwelling type and elevations,
wetlands and wetland buffer areas, stormwater pond NWL and HWL,
EOF and catch basin and storm manhole numbers.
• The construction plans and specifications shall be in accordance to the
City's latest edition of Standard Specifications & Detail Plates.
• The plans shall include traffic signage and street light placement.
2. Drainage calculations for water quantity and quality ponding with maps
showing drainage areas for pre -and post - development conditions and
contributing areas to catch basins.
3. Hydraulic calculations and drainage map for the storm sewer design.
4. Tree Preservation Easements (if applicable).
5. Trail Easements (if applicable).
6. Engineer's Cost Estimate of Improvements:
a. Sanitary sewer system.
b. Water system.
c. Storm sewer drainage system including cleaning and
maintenance.
d. Streets, sidewalk and trails.
e. Erosion control.
f. Site restoration (seeding, sodding, etc.).
g. Site grading
h. Street lights & signs
i. Engineering, surveying & inspection
j. Landscaping
7. Five (5) sets (folded) of final plat, one (1) set of reductions (8Y2' x 11 "), and
a digital copy in .tif format.
8. Digital copy of the legal description of the property in a .doc format.
9. Lot tabulations.
Failure to provide any of the above items by the required deadline will
result in delaying consideration of final plat before the City Council.
Updated 11 -29 -06
g: \eng \forms \final plat submittal.doc