Approval Letter 4-26-06
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
April 26, 2006
Mr. John Chadwick
J. Edwin Chadwick, LLC
11430 Zion Circle
Bloomington, MN 55437
Re: Pioneer Pass - Planning Case #06-09
Dear Mr. Chadwick:
This letter is to confirm that on April 24, 2006, the Chanhassen City Council
approved the following:
A. "Comprehensive plan Land Use Amendment from Residential- Medium
Density and Office/Industrial to Residential - Low Density of the land within the
Plat of Pioneer Pass except for Outlots A, B, C, D and G contingent on
Metropolitan Council review."
B. "Rezoning of the land within the Plat for Pioneer Pass except for Outlots A, B,
C, D and G, Pioneer Pass, from Agricultural Estate District, A2, to Residential
Low and Medium Density District, RLM."
c. "Preliminary Plat for "Pioneer Pass" creating 81 lots, 9 outlots and right-of-
way for public streets, plans prepared by James R. Hill, Inc., dated 2/3/06,
subject to the following conditions:
1. The developer shall prepare a noise analysis for noise that will be
generated by traffic on Highway 312 and Pioneer Trail. The analysis shall
identify appropriate noise mitigation measures to meet noise standards for
residential homes.
2. The developer shall pay $21,547.00 as their portion of the 2005 AUAR.
3. The applicant shall plant 369 trees within the development, 98 overstory and
required buffer yard plantings trees along Collector Road D and buffer yard
plantings for lots along the south property line.
4. Each lot shall have a minimum of two overstory deciduous trees planted in
the front yard.
5. The applicant shall install the total required buffer yard along Collector Road
D or show proof of berm height of 3 feet or higher along the length of the
street and adjust the quantities of understory and shrubs accordingly.
The City of 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,
Mr. John Chadwick
April 26, 2006
Page 2 of 8
6. The applicant shall development a restoration plan including native plants for the Bluff
Creek Overlay district north of Block 1. The plant species shall be selected from the Bluff
Creek Management Plan Appendix C. The final plan must be reviewed and approved by the
city before installation.
7. Signage for the Bluff Creek Overlay District must be posted on every other property comer
where residential yards meet the primary zone.
8. The 950 contour shall be extended over lots 5 and 6, block 3 to provide more coverage from
headlights for those homes.
9. Dedication of Outlots A and G shall be made to the city or a conservation easement shall be
established over said outlots.
10. The developer shall designate a 4.72 acre neighborhood park site, Outlot H. This
property shall be transferred to the city by warranty deed with 3.79 acres of the site being
dedicated! donated by the applicant/owner and the remaining 0.93 acres being purchased
by the City of Chanhassen. The city shall compensate the owner/applicant $218,550 in
total compensation for said 0.93 acres.
11. The developer shall rough grade and cover seed the park site and construct a 20 stall parking
lot for an additional not to exceed payment of $50,000 from the city. The parking lot shall
include insurmountable curb. Construction plans for all improvements within the borders of
the park shall be submitted to the Park & Recreation Director for approval prior to initiating
construction of these improvements. All material and labor costs are reimbursable. Design,
engineering, and testing services associated with these improvements shall be provided by
the applicant.
12. The applicant shall submit a complete wetland replacement plan and must receive
approval of the replacement plan prior to alteration of wetlands. Wetland replacement
shall occur in a manner consistent with Chanhassen City Code and the Minnesota
Wetland Conservation Act (MR 8420).
13. Wetland mitigation shall not be proposed for the northeast comer of the site in order to
ensure adequate area for a road connection to the property to the east of the site.
14. A wetland buffer 16.5 to 20 feet in width (with a minimum average of 16.5 feet) shall be
maintained around all Ag/Urban wetlands. Wetland buffer areas shall be preserved,
surveyed and staked in accordance with the City's wetland ordinance. The applicant shall
install wetland buffer edge signs, under the direction of City staff, before construction
begins and shall pay the City $20 per sign. All structures shall be set back 40 feet from the
edge of the wetland buffer. The wetland buffer setback shall be shown on the plans.
15. Any areas on the property that meet the City's criteria for bluffs (i.e., slope greater than
Mr. John Chadwick
April 26, 2006
Page 3 of 8
or equal to 30% and a rise in slope of at least 25 feet above the toe) shall be preserved. In
addition, all structures shall maintain a 30-foot setback from the bluff and no grading
may occur within the bluff impact zone (i.e., the bluff and land located within 20 feet
from the top of a bluff). The plans shall be revised to show any areas meeting the City's
bluff criteria.
16. No alterations shall be permitted within the primary corridor or within the first 20 feet of
the setback from the primary corridor without a variance. All structures must meet the
40-foot setback from the primary corridor.
17. The applicant shall demonstrate that storm water management along the southwest
property line of Lots 25-31, Block 2 is adequate to prevent drainage issues for future
homeowners.
18. The outlet for Pond 2 shall be moved westward to increase the flow distance between the
inlet and outlet structures.
19. Drainage and utility easements with a minimum width of 20 feet shall be provided over
all existing wetlands, wetland mitigation areas, buffer areas used as public value credit
and storm water infrastructure.
20. Energy dissipation shall be provided at the flared-end section inlet to Pond 2 within 24
hours of installation. Additional blanket shall be provided for storm sewer installation
area for inlet infrastructure to Pond 2. The access area shall be protected with erosion
control blanket upon the establishment of final grade. Erosion control blanket shall be
used on the slopes within Lots 31-24, Block 2. Mulch shall be substituted for the blanket
proposed for the berm area of Block 3 along Street D.
21. Temporary sediment basins shall be provided in existing watersheds 1 and 3 during mass
grading activities. Where 10 acres or more of exposed area come to a discemable point
of discharge to a wetland or waterway, a temporary basin shall be provided. The
proposed storm water basins in proposed drainage areas 2, 6 and 7 shall be temporary
sediment basins until the contributing areas are stabilized. The temporary outlets could
be installed in place of the permanent outlets.
22. Perimeter control (silt fence) shall be installed prior to grading along the south side of the
Street D and CSAH 14 (Pioneer Trail) intersection. All silt fences near flared-end
sections shall be installed up and around flared-end sections so water is not discharged
against the silt fence, causing it to fail.
23. An outlet area shall be defined for the two areas labeled as temporary sedimentation
basins during the rough gradinglsubcut street phase of development. Any shredded wood
material from tree removal shall be saved for temporary mulch berms/vehicle exit pads as
Mr. John Chadwick
April 26, 2006
Page 4 of 8
needed. Typical silt fence shall be installed prior to initial rough grading activities along
the west side of Outlot H to the proposed "street by others."
24. The total SWMP fee shall be paid to the City at the time of final plat recording. The
estimated total SWMP fee at this time is $165,600.
25. The applicant shall apply for and obtain permits from the appropriate regulatory agencies
(e.g., Riley-Purgatory-Bluff Creek Watershed District, Minnesota Pollution Control Agency
(National Pollutant Discharge Elimination System Construction Permit), Minnesota
Department of Natural Resources (dewatering permit), Army Corps of Engineers) and
comply with their conditions of approval.
26. A lO-foot clear space must be maintained around fire hydrants, i.e., street lamps, trees,
shrubs, bushes, Xcel Energy, Qwest, cable TV and transformer boxes. This is to ensure that
fire hydrants can be quickly located and safely operated by firefighters. Pursuant to
Chanhassen City Ordinance #9-1.
27. Fire apparatus access roads and water supply for fire protection is required to be installed.
Such protection shall be installed and made serviceable prior to and during the time of
construction except when approved alternate methods of protection are provided.
28. Temporary street signs shall be installed on street intersections once construction of the new
roadways allows passage of vehicles. Pursuant to 2002 Minnesota Fire Code Section 501.4.
29. Fire apparatus access roads shall be designed and maintained to support the imposed load of
fire apparatus and shall be serviced so as to provide all-weather driving capabilities.
Pursuant to Minnesota Fire Code Section 503.2.3.
30. Submit proposed street names to Chanhassen Building Official and Chanhassen Fire
Marshal for review and approval.
31. Fire hydrant spacing is unacceptable. Locate fire hydrants at intersections and in cul-de-sacs
and at 300 foot spacing. Most spacing is in excess of 400 to 500 feet at this time. Submit
revised fire plans to Fire Marshal for review and approval.
32. Before site grading commences, the existing building and driveway access off Pioneer Trail
onto the property must be removed.
33. On the grading plan, add a note to remove any existing house and driveway access.
34. The developer's engineer must work with Liberty on Bluff Creek's engineer to ensure that
the proposed grading on each property matches at the property line.
35. Ground slopes shall not exceed 3: 1.
Mr. John Chadwick
April 26, 2006
Page 5 of 8
36. A minimum 75-foot long rock construction entrance must be shown on the plans.
37. Retaining walls must be designed by a structural engineer registered in the State of
Minnesota and require a building permit if greater than 4 feet in height.
38. The developer shall work with MnDOT to move the access at Pioneer Trail so that it aligns
with the MnDOT's street on the south side. The access to Pioneer Trail shall be constructed
in conjunction with the first phase of the development.
39. The property is also subject to sanitary sewer and water hook-up charges for all of the lots.
The 2006 trunk utility hook-up charges are $1,575 per unit for sanitary sewer and $4,078 per
unit for water. The 2006 SAC charge is $1,625 per unit.
40. The Arterial Collector Roadway Fee of $2,400/developable acre will need to be paid at the
time of final plat recording.
41. All of the ponds are required to be designed to National Urban Runoff Program (NURP)
standards with maximum 3:1 slopes and 10:1 benches at the NWL. Revise accordingly.
42. All of the proposed housepads must have a rear yard elevation of at least three feet above
the HWL of the adjacent ponds.
43. Storm sewer calculations and drainage map must be submitted with the final plat
application. The storm sewer must be designed to accommodate a lO-year, 24-hour storm
event.
44. The last public stormwater structure that is road-accessible prior to discharging to a water
body must have a 3-foot sump pump.
45. Future utility service and access to Outlot B needs to be determined prior to final plat.
46. The applicant shall include a draintile system behind the curbs to convey sump pump
discharge from homes.
47. Add catch basins in the back yards of Lots 1-15, Block 3 connecting to Street C storm
sewer. Also add a catch basin along Street A in front of Lots 25-28 and between Lots 15 &
16 and 4 & 5, Block 1.
48. All plans must be signed by a registered Civil Engineer registered in the State of Minnesota.
49. The catch basin between Lots 6 & 7 must be built with two inlet openings.
50. Tree preservation fencing must be installed at the limits of tree removal.
Mr. John Chadwick
April 26, 2006
Page 6 of 8
51. An easement is required from the appropriate property owner for any off-site grading.
52. If importing or exporting material for development of the site is necessary, the applicant will
be required to supply the City with detailed haul routes.
53. Utility services for the buildings must be shown on the final utility plan. Sanitary services
must be 6-inch PVC and water service must be I-inch copper, Type K and will require a
City Building Department inspection.
54. Extend the silt fence along the south to the back yard of Lot 25, Block 1.
55. No retaining wall is allowed within any drainage and utility easement. Revise the retaining
wall between Lots 22, 23 and 24, Block 2, accordingly.
56. All of the utility improvements are required to be constructed in accordance with the City's
latest edition of Standard Specifications and Detail Plates. The applicant is also required to
enter into a development contract with the City and supply the necessary financial security
in the form of a letter of credit or cash escrow to guarantee installation of the improvements
and the conditions of final plat approval. The applicant must be aware that all public utility
improvements will require a preconstruction meeting before building permit issuance.
57. Permits from the appropriate regulatory agencies will be required prior to construction,
including but not limited to MPCA, NPDES, MnDOT, Department of Health, Carver
County and Watershed District.
58. Reroute the sanitary sewer from Street A and the north-south corridor intersection to
minimize the sewer depth. Relocate the southern sanitary sewer out of the stormwater pond
easement at Outlot E.
59. Add a pressure relief valve to the watermain along Street D between Outlots E and F. This
will be a City improvement cost but installed by at the time of development.
60. In-home pressure reducing water valves may be required on all lots with a lowest floor
elevation of 930 or less. Final determination for the need of in-home pressure reducing
valves will be made by the City at time of building permit.
61. The applicant shall coordinate with the developer of the adjacent properties in the northeast
comer of the site the dedication of public street right-of-way to provide access from the
parcel to the north to the parcel to the east and revise the plans accordingly."
D. "Wetland Alteration Permit for the grading and filling of wetlands on property subject to the
following conditions:
Mr. John Chadwick
April 26, 2006
Page 7 of 8
1. The applicant shall submit a complete wetland replacement plan and must receive
approval of the replacement plan prior to alteration of wetlands. Wetland replacement
shall occur in a manner consistent with Chanhassen City Code and the Minnesota
Wetland Conservation Act (MR 8420).
2. Wetland mitigation shall not be proposed for the northeast comer of the site in order to
ensure adequate area for a road connection to the property to the east of the site.
3. A wetland buffer 16.5 to 20 feet in width (with a minimum average of 16.5 feet) shall be
maintained around all AglUrban wetlands. Wetland buffer areas shall be preserved,
surveyed and staked in accordance with the City's wetland ordinance. The applicant shall
install wetland buffer edge signs, under the direction of City staff, before construction
begins and shall pay the City $20 per sign. All structures shall be set back 40 feet from the
edge of the wetland buffer. The wetland buffer setback shall be shown on the plans."
E. "Conditional Use Permit to permit development within the Bluff Creek Overlay District with a
variance for encroachment into the primary zone to construct a storm water pond subject to the
following conditions:
1. Dedication of Outlots A and G shall be made to the city or a conservation easement shall
be established over said outlots.
2. Any areas on the property that meet the City's criteria for bluffs (i.e., slope greater than
or equal to 30% and a rise in slope of at least 25 feet above the toe) shall be preserved. In
addition, all structures shall maintain a 30-foot setback from the bluff and no grading
may occur within the bluff impact zone (i.e., the bluff and land located within 20 feet
from the top of a bluff). The plans shall be revised to show any areas meeting the City's
bluff criteria.
3. No alterations shall be permitted within the primary corridor or within the first 20 feet of
the setback from the primary corridor without a variance. All structures must meet the
40-foot setback from the primary corridor."
Please note that the Land Use Amendment must be submitted to the Metropolitan Council for
their review. The City will not be able to act on the final plat until we have the Metropolitan
Council sign off on the amendment.
Pinal plat documents must be submitted to the City three weeks 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.
Mr. John Chadwick
April 26, 2006
Page 8 of 8
Should you have any questions, please feel free to contact me at (952) 227-1131 or
bgenerous@ci.chanhassen.mn.us.
Si~ -i-
c/~rrr~ )()
Robert Generous, AICP
Senior Planner
Enclosures
ec: Alyson Fauske, Assistant City Engineer
Jerry Mohn, Acting Building Official
g:\plan\2006 planning cases\06-09 pioneer pass\approvalletter preliminary. doc
CITY OF CHANHASSEN
ITEMS REQUIRED FOR FINAL PLAT CONSIDERATION
The following items are required to be submitted a minimum of three (3) weeks prior to City
Council meeting and payment of a $250.00 final plat review fee:
1. Submit three (3) sets of full size 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 Public 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 (8W' x 11 "), and a digital copy
in .tif format.
8. Digital copy of the legal description of the property in a .doc or .pdf compatible format.
9. Lot tabulations
10. 1" = 200' scale paper or mylar reduction of the final plat with just street names and Lot
and Block numbers.
11. Legal description of the property/properties to be platted.
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 02-03-06
g:\eng\forms\final plat submittal.doc