1l. Lake Ann Highlands: Preliminary Plat Extension.L
I MEMORANDUM
CITY OF
1°
CHANHASSEN
690 COULTER DRIVE • P.O. BOX 147 • CHANHASSEN, MINNESOTA 55317
(612) 937 -1900 • FAX (612) 937 -5739
TO: Don Ashworth, City Manager
FROM: Bob Generous, Senior Planner
DATE: April 3, 1996
Action by City Adm JgtsfffM
Endorse
Moditie
itejecte
Dat N'3 -91e
4 - Date Submitted to Commissfo7f
Cate eW-r;H to Council
SUBJ: Preliminary Plat Extension, Subdivision 94 -7, Lake Ann Highlands
PROPOSAL
The applicant, Lotus Realty Service, is requesting,a one year time extension for the preliminary
plat for Lake Ann Highlands.
BACKGROUND
At the March 13, 1995 meeting, the City Council approve
encompassing the land north of the south lot lines of Lots
15 through 19 Block 1, from A2, Agricultural Estate Dish
Residential District consistent with the Chanhassen 2000
approved the preliminary plat #94 -7 for 92 twinhome lots
Council also approved wetland alteration permit #94 -6.
City Code, section 1
year after the date of
unless for good caul
by the city council."
)ning #94 -7 to rezone 35.1 acres,
110 through 16, Block 2 an Lots
R4, Mixed Low Density
Use Plan. The City Council
ake Ann Highlands. The City
filed within this period [one
will be considered void
an extension is requested in wri
granted
The applicant has been unable to bring the preliminary plat in for final plat approval due to the
financing for the project as well as the delay in providing the utilities for the southern half of the
project as part of the Bluff Creek/Coulter Boulevard city project. Staff believes that the granting
of this extension is consistent with city code. Staff is recommending approval of a one year
extension of the preliminary plat as permitted by city ordinance. As we have been
recommending on other plat extensions, staff is recommending the addition of a condition
specifying that the city can reevaluate the plat based on ordinances that are adopted during the
Mr. Brad Johnson
March 24, 1995
Page 2 '
plat extension period. Included in the time extension is the wetland alteration permit as '
originally approved with the preliminary plat.
PRELIMINARY PLAT I
The City Council approved the preliminary plat #94 -7 for 92 twinhome lots for Lake Ann
Highlands subject to the following conditions: ,
1. Revise Grading and Drainage Plan to indicate lowest floor level elevation, top of
foundation elevation and garage floor elevation. This should be done prior to final plat
approval.
2.
Revise the Grading and Drainage Plan to show standard designations for dwellings. This
should be done prior to final plat approval.
3.
Submit soils report to the Inspections Division. This should be done prior to issuance of
any building permits.
4.
Submit street names to the Public Safety Department, Inspections Division for review
prior to final plat approval.
5.
Outlot B should be conveyed to the city or attach to the Hennessey property to the west
for future access and provide a 10 foot drainage and utility easement along the street
frontage.
'
6.
Full park and trail fees be required pursuant to City Code in lieu of land dedication
,
7.
The applicant shall agree to incorporate a mix of building types /styles with various floor
plans, architectural features, garage orientations, driveway configurations, and primary
siding colors as well as the use of 30 - 35 percent brick on building exteriors. These
issues shall be worked out with city staff prior to final plat approval.
8. Upon completion, the developer shall dedicate to the City the utility and street '
improvements within the public right -of -way and drainage and utility easements for
permanent ownership.
9. The applicant will need to develop a sediment and erosion control plan in accordance
pp p p
with the City's Best Management Practice Handbook and the Surface Water Management '
Plan requirements for new developments. The plan shall be submitted to the City for
review and formal approval
C
Mr. Brad Johnson
March 24, 1995
Page 3
10. All areas disturbed as a result of construction activities shall be immediately restored with
seed and disc - mulched or wood -fiber blanket or sod within two weeks of completion of
each activity in accordance with the City's Best Management Practice Handbook.
11. All utility and street improvements shall be constructed in accordance with the latest
edition of the City's Standard Specifications and Detail Plates. Detailed street and utility
plans and specifications shall be submitted for staff review and City Council approval.
12. If necessary, wetland buffer areas shall be surveyed and staked in accordance with the
City's wetland ordinance. The City will install wetland buffer edge signs before
construction begins and will charge the applicant $20 per sign.
13. The applicant shall provide detailed storm sewer calculations for 10 -year and 100 -year
storm events and provide ponding calculations for stormwater quality /quantity ponds in
accordance with the City's Surface Water Management Plan for the City Engineer to
review and approve. The applicant shall provide detailed predeveloped and post
developed stormwater calculations for 100 -year storm events and normal water level and
high water level calculations in existing basins, created basin, and/or creeks. Individual
storm sewer calculations between each catch basin segment will also be required to
determine if sufficient catch basins are being utilized. In addition, water quality ponding
design calculations shall be based on Walker's Pondnet model.
14. The applicant shall enter into a development contract with the City and provide the
necessary financial security to guarantee compliance with the terms of the development
contract.
' 15. The applicant will meet wetland rules and regulations as stated in Corps of Engineers
section 404 permit, the State Wetland Conservation Act, and the City's Wetland
Ordinance. Mitigation work shall be implemented prior to or concurrent with wetland fill
' activity in all phases of the project.
16. The applicant shall apply for and obtain permits from the appropriate regulatory agencies,
i.e. Carver County, Watershed District, Metropolitan Waste Control Commission, Health
Department, Minnesota Pollution Control Agency, Minnesota Department of Natural
Resources, Army Corps of Engineers and Minnesota Department of Transportation and
comply with their conditions of approval.
17. Fire hydrants shall be incorporated per the Fire Marshal's recommendations. Fire
hydrants shall placed a maximum of 300 feet apart.
25. The applicant shall report to the City Engineer the location of any drain tiles found during
construction and shall relocate or abandon the drain tile as directed by the City Engineer.
26. The applicant shall dedicate to the City a 100 -foot wide conservation easement over the
'
southwesterly 100 feet of Outlot A. This area may also be deeded to the City as an
Mr. Brad Johnson
outlot.
March
Page 4
24 1995
'
27. Prior to Phase II receiving final plat approval, the downstream permanent nutrient ponds
shall be constructed or scheduled in conjunction with Phase II improvements in
accordance to the City's SWMP and the frontage road shall be constructed or scheduled
18.
The applicant shall submit to the City soil boring information and include a drain tile
issued in Phase II without these improvements completed.
system in accordance with the construction plans. The applicant shall include a drain the
'
system behind the curbs to convey sump pump discharge from the units.
19.
The appropriate drainage and utility easements should be dedicated on the final plat for
,
all utilities and ponding areas lying outside the right -of -way. The easement width shall
be a minimum of 20 feet wide. Consideration should also be given for access for
maintenance of the ponding areas. The final plat for Phase I shall also dedicate the
'
frontage road right -of -way.
,
20,
No berming or landscaping will be allowed within the right -of -way except landscaping
along the frontage road in accordance with the Trunk Highway 5 Corridor Study.
21,
The lowest exposed floor or opening elevation of all buildings should be a minimum of 3
feet above the 100 -year high water level.
'
22.
Stormwater ponds must have side slopes of 10:1 for the first ten feet at the normal water
level and no more than 3:1 thereafter or 4:1 throughout for safety purposes.
,
23.
Water ualit fees will be based in accordance with the City's SWMP. The requirement
q Y Y
for cash in lieu of land and pond construction shall be based upon a schedule in
accordance with the prescribed land use zoning. This proposed development of 35.2
'
acres is $50,019.00.
24.
Water quantity fees will be based in accordance with the City's SWMP. Storm sewer
'
trunk fees will be evaluated based on the applicant's contribution to the SWMP design
requirements. The proposed multi- family residential development of 35.2 acres would be
responsible for a water quantity connection charge of $69,696.00,
25. The applicant shall report to the City Engineer the location of any drain tiles found during
construction and shall relocate or abandon the drain tile as directed by the City Engineer.
26. The applicant shall dedicate to the City a 100 -foot wide conservation easement over the
'
southwesterly 100 feet of Outlot A. This area may also be deeded to the City as an
outlot.
27. Prior to Phase II receiving final plat approval, the downstream permanent nutrient ponds
shall be constructed or scheduled in conjunction with Phase II improvements in
accordance to the City's SWMP and the frontage road shall be constructed or scheduled
'
for construction through the site out to Galpin Boulevard. No building permits shall be
issued in Phase II without these improvements completed.
'
Mr. Brad Johnson
March 24, 1995
Page 5
28. The applicant shall be given credit for installing the 12 -inch trunk watermain along
Windmill Run. The credit shall be for the cost difference between an 8 -inch and a 12-
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inch water line.
29. The applicant shall provide sanitary sewer and water service stubs to the Hennessey
parcel located west of Lot 16, Block 2. The applicant shall be reimbursed by the City for
the cost of providing the service stubs when the property connects to the system.
30. The applicant shall list in the association bylaws the maintenance responsibilities of the
association for all project landscaping. If the landscaped cul -de -sac islands are not
maintained, the city reserves the right to remove them or continue maintenance and assess
the benefited properties. The city will adopt a resolution prohibiting parking in the cul-
de -sacs with islands.
31. Direct access to all lots shall be restricted to the interior streets and not onto Galpin
Boulevard or the future frontage road.
32. The grading plan shall be revised to be compatible with Windmill Run and incorporate
berms along the future frontage road and Galpin Boulevard outside the right -of -way. The
grading along the rear yards of Lots 5 - 10, Block 3, should be revised to promote
drainage north along the common lot lines of Lots 26 - 32, Block 3, out to the street.
33. Landscaping along the future frontage road shall be maintained a distance away from the
street in accordance with the Trunk Highway 5 Corridor design standards.
34. The applicant shall provide the City with a narrative with regards to earthwork quantities
and a schedule of construction events.
35. The applicant shall agree to provide the necessary right -of -way for the future north
Highway 5 collector street as part of the development of Outlot A.
36. There shall be a sidewalk along the east side of Windmill Drive running north and south.
37. The landscaping berm shall be placed along the entire north side. The landscaping plan
shall be presented with the final plat. Mr. Hennessey's property shall be included in the
berming and landscaping plan.
38. Windmill Drive shall not be extended /connected between the two subdivisions.
Mr. Brad Johnson
March 24, 1995
Page 6
WETLAND ALTERATION PERMIT
The City Council approved wetland alteration permit #94 -6 subject to the following conditions:
The applicant shall submit mitigation plans as required as a part of the State Wetland
Conservation Act (WCA) and Wetland City Ordinance specifically replacement plans,
wetland delineation report, a map with wetland data points, at least one data sheet for
each wetland identifying upland areas and a map of the soils.
2. If necessary, wetland buffer areas shall be surveyed and staked in accordance with the
City's wetland ordinance. The City will install wetland buffer edge signs before
construction begins and will charge the applicant $20 per sign.
STAFF RECOMMENDATION
Staff recommends the City Council adopt the following motion:
"The City Council approves a one year time extension, until March 13, 1997, for the preliminary
plat of Lake Ann Highlands ( #94 -7) subject to the original conditions of approval and the
following condition:
39. The City reserves the right to reevaluate the subdivision and require changes to the plat
based on the city's approval of any ordinances that may be adopted during the preliminary
plat time extension."
ATTACHMENTS
1. Letter from Brad Johnson to Bob Generous dated 4/3/96
2. Project Location Map
3. Preliminary Plat
4. Letter from Robert Generous to Brad Johnson dated 3/24/95
u
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L
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LOTUS
REALTY SERVICES
April 3, 1996
TO: Bob Generous
FROM: Brad Johnson
RE: Subd. 94 -7, Lake Ann Highlands
Due to problems relating to financing and to the timing of the Cities utility project for the
southern portion of the Lake Ann Highlands project, we are requesting a one -year extension for
filing of the plat.
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PRELIMINARY
LANDSCAPE PLAN
CITE OF
CHANHASSEN
1
1
690 COULTER DRIVE • P.O. BOX 147 • CHANHASSEN, MINNESOTA 55317 1
(612) 937 -1900 • FAX (612) 937 -5739
Mr. Brad Johnson
Lotus Realty Services
P.O. Box 235
Chanhassen, MN 33917
Dear Mr. Johnson:
At the March 13, 1995, meeting, the City Council approved rezoning #94 -7 to rezone 35.1
acres, encompassing the land north of the south lot lines of Lots 1 and 10 through 16, Block
2 an Lots 15 through 19 Block 1, from A2, Agricultural Estate District to R4, Mixed Low
Density Residential District consistent with the Chanhassen 2000 Land Use Plan.
SUBDIVISION
The City Council approved the preliminary plat #94 -7 for 92 twinhome lots for Lake Ann
Highlands subject to the following conditions:
1. Revise Grading and Drainage Plan to indicate lowest floor level elevation, top of
foundation elevation and garage floor elevation. This should be done prior to final
plat approval.
2. Revise the Grading and Drainage Plan to show standard designations for dwellings.
This should be done prior to final plat approval.
3. Submit soils report to the Inspections Division. This should be done prior to issuance
of any building permits.
4. Submit street names to the Public Safety Department, Inspections Division for review
prior to final plat approval.
5. Outlot B should be conveyed to the city or attach to the Hennessey property to the
west for future access and provide a 10 foot drainage and utility easement along the
street frontage.
�I
March 24, 1995
I �
L
7
Mr. Brad Johnson
March 24, 1995
Page 2
6. Full park and trail fees be required pursuant to City Code in lieu of land dedication
7. The applicant shall agree to incorporate a mix of building types /styles with various
floor plans, architectural features, garage orientations, driveway configurations, and
primary siding colors as well as the use of 30 - 35 percent brick on building exteriors.
These issues shall be worked out with city staff prior to final plat approval.
8. Upon completion, the developer shall dedicate to the City the utility and street
improvements within the public right -of -way and drainage and utility easements for
permanent ownership.
9. The applicant will need to develop a sediment and erosion control plan in accordance
with the City's Best Management Practice Handbook and the Surface Water
Management Plan requirements for new developments. The plan shall be submitted to
the City for review and formal approval
10. All areas disturbed as a result of construction activities shall be immediately restored
with seed and disc - mulched or wood -fiber blanket or sod within two weeks of
completion of each activity in accordance with the City's Best Management Practice
Handbook.
11. All utility and street improvements shall be constructed in accordance with the latest
edition of the City's Standard Specifications and Detail Plates. Detailed street and
utility plans and specifications shall be submitted for staff review and City Council
approval.
12. If necessary, wetland buffer areas shall be surveyed and staked in accordance with the
City's wetland ordinance. The City will install wetland buffer edge signs before
construction begins and will charge the applicant $20 per sign.
13. The applicant shall provide detailed storm sewer calculations for 10 -year and 100 -year
storm events and provide ponding calculations for stormwater quality /quantity ponds in
accordance with the City's Surface Water Management Plan for the City Engineer to
review and approve. The applicant shall provide detailed predeveloped and post
developed stormwater calculations for 100 -year storm events and normal water level
and high water level calculations in existing basins, created basin, and /or creeks.
Individual storm sewer calculations between each catch basin segment will also be
required to determine if sufficient catch basins are being utilized. In addition, water
quality ponding design calculations shall be based on Walker's Pondnet model.
' 14. The applicant shall enter into a development contract with the City and provide the
necessary financial security to guarantee compliance with the terms of the
Mr. Brad Johnson
March 24, 1995
Page 3
development contract.
15. The applicant will meet wetland rules and regulations as stated in Corps of Engineers
section 404 permit, the State Wetland Conservation Act, and the City's Wetland
Ordinance. Mitigation work shall be implemented prior to or concurrent with wetland
fill activity in all phases of the project.
16. The applicant shall apply for and obtain permits from the appropriate regulatory
agencies, i.e. Carver County, Watershed District, Metropolitan Waste Control
Commission, Health Department, Minnesota Pollution Control Agency, Minnesota
Department of Natural Resources, Army Corps of Engineers and Minnesota
Department of Transportation and comply with their conditions of approval.
1
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17. Fire hydrants shall be incorporated per the Fire Marshal's recommendations. Fire '
hydrants shall placed a maximum of 300 feet apart.
18. The applicant shall submit to the City soil boring information and include a drain tile
system in accordance with the construction plans. The applicant shall include a drain
tile system behind the curbs to convey sump pump discharge from the units.
19. The appropriate drainage and utility easements should be dedicated on the final plat
for all utilities and ponding areas lying outside the right -of -way. The easement width
shall be a minimum of 20 feet wide. Consideration should also be given for access
for maintenance of the ponding areas. The final plat for Phase I shall also dedicate
the frontage road right -of -way.
20. No berming or landscaping will be allowed within the right -of -way except landscaping
along the frontage road in accordance with the Trunk Highway 5 Corridor Study.
21. The lowest exposed floor or opening elevation of all buildings should be a minimum
of 3 feet above the 100 -year high water level.
22. Stormwater ponds must have side slopes of 10:1 for the first ten feet at the normal
water level and no more than 3:1 thereafter or 4:1 throughout for safety purposes.
23. Water quality fees will be based in accordance with the City's SWMP. The
requirement for cash in lieu of land and pond construction shall be based upon a
schedule in accordance with the prescribed land use zoning. This proposed
development of 35.2 acres is $50,019.00.
24. Water quantity fees will be based in accordance with the City's SWMP. Storm sewer
trunk fees will be evaluated based on the applicant's contribution to the SWMP design
I
Mr. Brad Johnson
March 24, 1995
Page 4
requirements. The proposed multi - family residential development of 35.2 acres would
be responsible for a water quantity connection charge of $69,696.00.
25. The applicant shall report to the City Engineer the location of any drain tiles found
' during construction and shall relocate or abandon the drain file as directed by the City
Engineer.
' 26. The applicant shall dedicate to the City a 100 -foot wide conservation easement over
the southwesterly 100 feet of Outlot A. This area may also be deeded to the City as
an outlot.
' 27. Prior to Phase II receiving final plat approval, the downstream permanent nutrient
ponds shall be constructed or scheduled in conjunction with Phase II improvements in
accordance to the City's SWMP and the frontage road shall be constructed or
scheduled for construction through the site out to Galpin Boulevard. No building
permits shall be issued in Phase II without these improvements completed.
28. The applicant shall be given credit for installing the 12 -inch trunk watermain along
Windmill Run. The credit shall be for the cost difference between an 8 -inch and a 12-
inch water line.
29. The applicant shall provide sanitary sewer and water service stubs to the Hennessey
parcel located west of Lot 16, Block 2. The applicant shall be reimbursed by the City
for the cost of providing the service stubs when the property connects to the system.
30. The applicant shall list in the association bylaws the maintenance responsibilities of
the association for all project landscaping. If the landscaped cul -de -sac islands are not
' maintained, the city reserves the right to remove them or continue maintenance and
assess the benefitted properties. The city will adopt a resolution prohibiting parking in
the cul -de -sacs with islands.
31. Direct access to all lots shall be restricted to the interior streets and not onto Galpin
Boulevard or the future frontage road.
' 32. The grading plan shall be revised to be compatible with Windmill Run and incorporate
berms along the future frontage road and Galpin Boulevard outside the right -of -way.
' The grading along the rear yards of Lots 5 - 10, Block 3, should be revised to promote
drainage north along the common lot lines of Lots 26 - 32, Block 3, out to the street.
' 33. Landscaping along the future frontage road shall be maintained a distance away from
the street in accordance with the Trunk Highway 5 Corridor design standards.
Mr. Brad Johnson
March 24, 1995
Page 5
34. The applicant shall provide the City with a narrative with regards to earthwork
quantities and a schedule of construction events.
35. The applicant shall agree to provide the necessary right -of -way for the future north I
Highway 5 collector street as part of the development of Outlot A.
36. There shall be a sidewalk along the east side of Windmill Drive running north and I
south.
37. The landscaping berm shall be placed along the entire north side. The landscaping '
plan shall be presented with the final plat. Mr. Hennessey's property shall be included
in the berming and landscaping plan.
38. Windmill Drive shall not be extended /connected between the two subdivisions.
WETLAND ALTERATION PERMIT
The City Council approved wetland alteration permit #94 -6 subject to the following
conditions:
1, The applicant shall submit mitigation plans as required as a part of the State Wetland
Conservation Act (WCA) and Wetland City Ordinance specifically replacement plans,
wetland delineation report, a map with wetland data points, at least one data sheet for
each wetland identifying upland areas and a map of the soils.
2. If necessary, wetland buffer areas shall be surveyed and staked in accordance with the
City's wetland ordinance. The City will install wetland buffer edge signs before
construction begins and will charge the applicant $20 per sign.
Ten copies of the final plat should be submitted 3 to 4 weeks prior to the City Council
meeting at which you wish to appear. Should you have any questions, please feel free to
contact me.
Sincerely,
4
Robert Generous, AICP
Planner 11
BG:v
PC: Dave Hempel, Asst. City Engineer
Steve Kirchman, Building Official
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