CC Staff Report Final Plat Approval for Audubon Corporate 2nd Addition (Outlot A, Audubon Corporate Center 1st Addition) 101
MEMORANDUM
CITY OF TO: Todd Gerhardt, City Manager
CHANHASSEN FROM: Bob Generous, Senior Planner
7700 Markel Boulevard DATE: July 25, 2016 Dr
Coe
PO Box 147
Chanhassen,MN 55317 SUBJ: Audubon Corporate Center 2nd Addition, Development Contract, -
Planning Case#2016-18
Administration
Phone:952.227.1100
Fax:952.227.1110 PROPOSED MOTION
Building Inspections "The Chanhassen City Council approves:
Phone:952.227.1180
Fax:952.227.1190 1. A resolution approving the final plat for Audubon Corporate Center 2nd
Engineering Addition subject to the conditions of the staff report."
Phone:952.227.1160
Fax:952.227.1170 Approval requires a simple majority vote of the City Council.
Finance
Phone:952.227.1140
Fax:952.227.1110 PROPOSAL SUMMARY
Park&Recreation The applicant, Eden Trace Corp. and Equitable :. ':':"% • ' '«°''-
Phone:952.227.1120 HoldingCo. LLC.,is requesting final plat V.
Fax:952.227.1110 �� "`. `.4:-.--
approval to create one lot for the property �,.` . :„n
located north of the existing IDI Distribution
Recreation Center building. \ ' ` -. -- .. . .
2310 Coulter Boulevard g $,.yrs" '
`� "
Phone:952.227.1400 ". r% —�
Fax:952.227.1404 BACKGROUND \\ , , '
Planning& On April 14,2008,the Chanhassen City #' r° ' ; \ ` +
•
Natural Resources \4 - •'4y
Phone:952.227.1130 Council approved(Planning Case#2008-07) \ 4 . 4," •.' •;
•
Fax:952.227.1110 the Subdivision (preliminary and final plat) " a •
creating one lot and one outlot and right-of-way
Public Works for Audubon Road; Site Plan for IDI itillik
7901 Park Place Distributors for a 71,500 square-foot, two- „ • ';...-r i.
Phone:952.2271300 story, office-warehouse building to be built in ! ,= ` •1 s_
Fax:952.227.1310 two phases (55,200 square-foot initially with a _ _ • •
future 16,272 square-foot expansion); and a l t s"
4 1.x.4}'• J':
Senior Center .
Wetland Alteration Permit.
Phone:952.227.1125 `' ,1.� r.: .
dfi
Fax:952.227.1110 "" —'""
Website
www.ci.chanhassen.mn.us
Chanhassen is a Community for Life-Providing for Today and Planning for Tomorrow
IDI Expansion—8303 Audubon Road—Planning Case 2016-18
July 25, 2016
Page 2 of 11
SUBDIVISION REVIEW
The applicant is creating one lot of the existing Outlot A,Audubon Corporate Center. The lot area
is 2.65 acres. The property is zoned Office Industrial District,IOP, and is guided for Office
Industrial uses.
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Audubon Corporate Center 2nd Addition
This lot will include a portion of the building expansion for IDI Distribution as well as additional
parking for the building. In conjunction with the site plan, the applicant is requesting that the
two lots become a zoning lot and that the easement along the common property line be vacated.
GRADING, DRAINAGE AND EROSION CONTROL
Site grading is proposed in conjunction with the site plan review for IDI Distribution building
expansion, which is proceeding concurrently with the final plat.
IDI Expansion-8303 Audubon Road—Planning Case 2016-18
July 25, 2016
Page 3 of 11
PARKS AND RECREATION
Parks
This property is located within the park service area of Sunset Ridge Neighborhood Park. This 10-
acre property features off-street parking, a ball field,basketball court,play area,trails,a wetland and
open space.No additional parkland acquisition is being recommended as a condition of approval for
this subdivision.
Trails
The subject site has convenient access to the Audubon Road pedestrian trail. The applicant should
be required to protect and maintain access to this public amenity during the construction of their
project. The Audubon Road trail connects to the Lake Drive West pedestrian trail just south of this
proposed subdivision providing convenient access to Sunset Ridge Park and the remainder of the
City's trail system.No additional trail construction is being recommended as a condition of
approval for this subdivision.
It is recommended that full park fees in lieu of parkland dedication and/or trail construction be
collected as a condition of approval for this subdivision. The park fees shall be collected in full at
the rate in force upon final plat submission and approval. For 2016,the required park fee is
$12,500.00 per acre,which would be a fee of$33,125.00.
SURFACE WATER MANAGEMENT PLAN (SWMP) CONNECTION CHARGES
Storm Water Utility Connection Charges
Section 4-30 of code sets out the fees associated with surface water management. The fees for
Outlot A were deferred with the original subdivision. They will be collected with the site
improvements. These fees are based on land use type and are intended to reflect the fact that
more intense the development type, the greater the degradation of surface water. These fees can
be credited up to 50%if the design has a reasonable expectation of achieving abstraction of the
first 1.1 inches of runoff from all proposed hardcover on the site. The wetland and buffer and
upland area put into the outlot will be removed from the assessed property. This area is 0.59
acres so the net assessable land area is 2.06 acres. They are indicating that 1.0 inches of runoff
will be infiltrated. Barring any major changes in design assumptions, this warrants a 45% credit.
Based upon the area and land use type, the Storm Water Utility Connection Charge is estimated
to be $20,742/acre x 2.06 acres x 0.55 = $23,500.69
IDI Expansion—8303 Audubon Road—Planning Case 2016-18
July 25, 2016
Page 4 of 11
WETLANDS
A wetland is located in the northeast corner of the site. This wetland is classified as a Manage 2
wetland which requires a 20 foot buffer with a 30 foot building setback and a 15 foot accessory
structure setback. A drainage and utility easement shall be placed over this wetland and
associated buffer on the final plat.
REVIEW CONDITIONS OF APPROVAL
1. Lot 1, as shown in the preliminary plat, shall be designated as Outlot A until the ultimate
development of the lot is determined and a revised grading plan submitted that shows the
wetland impacts.
*This condition has been met.
2. The applicant shall use BWSR U8 in all graded areas along the eastern property line.
*This condition no longer applies.
3. Existing City boulevard trees will be protected with fencing during all phases of construction.
The applicant will be responsible for replacing any trees that die as a result of construction
activity.
*This condition still applies.
4. The north lot will be required to provide buffer yard and parking lot landscaping as required
by ordinance at the time of site plan approval.
*This condition has been met.
5. All trees on the north lot within the wetland buffer and setback shall be preserved until a final
grading plan is approved for the lot. The developer shall work with staff as part of the
development of the site to preserve these trees through revised grading and the use of
retaining walls.
*This condition has been met.
6. A wetland buffer 20 feet in width and a 30-foot setback from the wetland buffer must be
maintained around all wetlands on the property. Secondary structures are allowed to
encroach up to 50% of the setback. It appears that the retaining wall has exceeded the
allowed encroachment and needs to be moved out of this 15-foot setback. Wetland buffer
areas shall be preserved, surveyed and staked in accordance with the City's wetland ordinance.
The applicant must install wetland buffer edge signs,under the direction of City staff,before
construction begins and must pay the City$20 per sign.
*This condition still applies.
7. The retaining wall needs to be moved so that it is at least 15 feet from the edge of the buffer or
35 feet from the wetland edge.
*This condition has been met.
IDI Expansion— 8303 Audubon Road—Planning Case 2016-18
July 25, 2016
Page 5 of 11
8. A NPDES Phase II Construction Site Storm Water Permit will be required from the
Minnesota Pollution Control Agency(MPCA) for this site.
*This condition has been met.
9. The proposed storm water pond shall be constructed prior to disturbing upgradient areas and
used as a temporary sediment basin during mass grading. Diversion berms/ditches may be
needed to divert water to the pond and a temporary pond outlet shall be provided. The outlet
could be a temporary perforated standpipe and rock cone. The plans shall be revised to
include a detail for the temporary pond outlet.
*This condition has been met.
10. A detailed construction plan needs to be created for the pond construction which shows how
water quality of the existing pond and adjacent water body will be protected. At a minimum,
this must show how the pond will be dewatered and what best management practices will be
employed.
* This condition has been met.
11. All silt fence that is not laid parallel to the contours shall have J Hooks installed every 50-75
feet.
*This condition no longer applies.
12. A stable emergency overflow (EOF) for the stormwater pond shall be provided. The EOF
could consist of riprap and geotextile fabric or a turf reinforcement mat(a permanent erosion
control blanket). A typical detail shall be included in the plan. The overland route from the
EOF to the existing wetland shall be shown on the plans and shall be encumbered by a
drainage and utility easement.
* This condition has been met.
13. Erosion control blanket shall be installed on all slopes greater than or equal to 3:1. All
exposed soil areas shall have temporary erosion protection or permanent cover year round,
according to the following table of slopes and time frames:
Type of Slope Time (Maximum time an area can
Steeper than 3:1 7 days remain open when the area
10:1 to 3:1 14 days is not actively being worked.)
Flatter than 10:1 21 days
These areas include constructed storm water management pond side slopes, and any exposed
soil areas with a positive slope to a storm water conveyance system, such as a curb and gutter
system, storm sewer inlet, temporary or permanent drainage ditch or other natural or man-
made systems that discharge to a surface water.
* This condition has been met.
IDI Expansion—8303 Audubon Road—Planning Case 2016-18
July 25, 2016
Page 6 of 11
14. Inlet protection may be needed prior to installation of the castings for the curbside catch
basins. In that case, all storm sewer inlets shall be protected by at least fabric draped over the
manhole with a steel plate holding the fabric in place.
* This condition has been met.
15. At this time,the estimated total SWMP fee,due payable to the City at the time of final plat
recording, is$59,365.80.
*This condition shall be modified as follows: Based upon the area and land use type, the
Storm Water Utility Connection Charge is estimated to be$23,500.69 due with the final plat.
16. The applicant shall apply for and obtain permits from the appropriate regulatory agencies(e.g.,
Minnesota Pollution Control Agency,Minnesota Department of Natural Resources(for
dewatering)) and comply with their conditions of approval.
*This condition still applies.
17. Full park fees in lieu of parkland dedication and/or trail construction shall be collected as a
condition of approval for this subdivision. The park fees shall be collected in full at the rate
in force upon final plat submission and approval.
*This condition shall be modified as follows: Park fees in the amount of$33,125.00 shall be
paid prior to recording the final plat.
18. Approval of the subdivision in no way should convey to the applicant, the land owner or any
subsequent owners and occupants approval of the wetland impacts indicated within Wetland
2 as shown on the conceptual grading plan or any other wetland impacts resulting from the
development of this parcel. Any grading which, as a result of the development of Lot 1,
occurs on Lot 2 must provide sediment and erosion control best management practices to
protect the wetland and the buffer area.
*This condition no longer applies.
19. No burning shall be issued for trees to be removed. Trees and shrubs must be removed from
site or chipped.
*This condition still applies.
20. Remove all existing structures prior to the commencement of grading.
*This condition has been met.
21. This site must be mass graded to minimize future truck traffic upon completion of the
southern parcel. A 20-foot buffer is required around the wetland on the northern parcel to
prevent grading from taking place. Please revise the grading plan and show silt fence in this
location so the contractor can determine the grading limits. Also, the building pad elevation
of the northern parcel shall be lowered to an elevation of 952 to minimize the impacts to the
wetland.
*This condition has been met.
IDI Expansion—8303 Audubon Road—Planning Case 2016-18
July 25, 2016
Page 7 of 11
22. The grading plan needs to be revised. The proposed contours on the northern property need
to be revised showing the wetland buffer of 20 feet. Show the existing conditions within 100
feet of the property line.
*This condition has been met.
23. Normal water level of the existing wetlands should be shown on the plan. Also,include the
normal water level and high water level of the revised pond. Show emergency overflows on
the plan. Keep a minimum of 2 percent slope in the grass areas, 1 percent in the pavement
areas, and .5 percent along the curb lines.
*This condition has been met.
24. Development of the northern parcel will require a stormwater pond to treat the water prior to
discharge into the wetland. This pond should discharge to the wetland northeast of the site.
*This condition has been met.
25. Revise the drainage calculations. The existing drainage map should include three areas:
One area discharges to the northern wetland, one to the eastern wetland and one to the
existing pond. Revise the calculations to show the pre- and post-development peak discharge
into the northern and eastern wetland. Post-development peak discharges must remain less
than pre-development peak discharges for the 2-, 10-, and 100-year storm events. Drainage
calculations must be signed by a Professional Engineer registered in the State of Minnesota.
*This condition has been met.
26. Rational method calculations, including drainage map, must be provided for the sizing of the
storm sewer.
*This condition has been met.
27. 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.
*This condition still applies.
28. Building permits are required for all retaining walls four feet tall or higher and must be
designed by a Structural Engineer registered in the State of Minnesota. Additional top and
bottom elevations should be added to the retaining wall.
*This condition still applies.
29. All of the utilities within the boundary should be privately owned and maintained. These
utilities must be covered by a cross-access agreement. The proposed watermain connection
into Chanhassen Lakes Business Park 7th Addition must wet tap the existing watermain.
*This condition has been met.
30. Utility plans shall show both plan view and profiles of all utilities (sanitary sewer, water, and
storm sewer lines).
*This condition has been met.
IDI Expansion—8303 Audubon Road—Planning Case 2016-18
July 25,2016
Page 8 of 11
31. Determine actual elevations of existing utilities. A minimum vertical separation of 18 inches
is required at all storm, sanitary, and watermain crossings. Provide details of each crossing
to ensure minimum separation.
*This condition shall be modified as follows: Determine actual elevations of existing
utilities. A minimum vertical separation of 18 inches is required at all storm, sanitary, and
watermain crossings. Provide details of each crossing to ensure minimum separation.
32. Each new lot is subject to the sanitary sewer and water hookup charges. Lot 1, Block 1 will
get credit for 8 trunk sanitary sewer charges. Lot 2 will get credit for 15 trunk sanitary sewer
charges. No trunk water charges have been paid. The 2008 trunk hookup charge is $1,769
for sanitary sewer and $4,799 for watermain. Sanitary sewer and watermain hookup fees
may be specially assessed against the parcel at the time of building permit issuance. All of
these charges are based on the number of SAC units assigned by the Met Council and are due
at the time of building permit issuance.
*This condition shall be modified as follows: Each new lot is subject to the sanitary sewer
and att.hcckup chargee. Let 1, Blcc'k I will gct credit for 8 trunk sanitary sewer charges.
Lot 2 will get credit for 15 trunk sanitary c,;;;vcr ch;:bas. No trunk water charges have been
paid. The 2008 trunk hookup charge is $1,769 for sanitary sewer and $4,799 for watermain.
Sanitary sewer and watermain hookup fees will be required •• . .
against the parcel at the time of building permit issuance. All of these charges are based on
the number of SAC units assigned by the Met Council and are due at the time of building
permit issuance.
33. 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
provide the City with the necessary financial security in the form of a letter of credit or cash
escrow in the amount of$13,200.00 to guarantee the installation of the pond, erosion control,
and seeding. The applicant must also notify the City after installation of the erosion control
and 48 hours prior to the commencement of grading. Permits from the appropriate regulatory
agencies will be required, including the MPCA and the Dept. of Health.
*This condition has been met.
34. Easements are required to provide access to Lot 1, Block 1. A private drive easement will be
required to provide access to Lot 1, Block 1 off of Audubon Road. An additional private
easement will be required to provide truck access through Chanhassen Lakes Business Park
7th Addition and up to Lot 1, Block 1. The easements for the gas line and power line must be
shown on the plat. No work will be allowed in this area without the approval of the owner of
the easement. A drainage and utility easement will be required over the proposed pond for
Lot 2, Block 1. Also, a temporary drainage and utility easement should be placed on the
entire Lot 1, Block 1 until the time of final plat of this parcel. Provide location and easement
for pond access.
*This condition has been met.
IDI Expansion—8303 Audubon Road—Planning Case 2016-18
July 25, 2016
Page 9 of 11
35. Shift proposed drive off of Audubon Road so that the center of the driveway is located 70
feet north of the Kingdom Hall drive. Due to limited site distance,this driveway location
will be limited to passenger vehicles only. Truck-trailer access must be provided to Lot 1,
Block 1 through Chanhassen Lakes Business Park 7th Addition.
*This condition has been met.
36. The boundary survey and preliminary plat need to be revised. Add existing conditions and
property lines within 100 feet of the boundary. Also,the legal description does not match the
bearings on the preliminary plat.
*This condition does not apply.
37. Upon completion of the public street,the applicant shall submit a set of"as-built"plans
signed by a professional engineer.
*This condition has been met.
38. Collector and Arterial Roadway Traffic Impact Zone fees will be collected with the final plat.
The fee will be based on the commercial rate of$3,600 per developable acre.
*This condition shall be modified as follows: Collector and Arterial Roadway Traffic Impact
Zone fees will be collected with the final plat. The fee will be based on the commercial rate
of$3,600 per developable acre. With 2.06 developable acres, the fee is $7,416.00.
39. All outstanding assessments must be paid prior to final plat.
*This condition has been met.
Based on review of the proposed plan, the following condition shall be added:
A drainage and utility easement will need to be placed over the wetland and associated buffer
with final plat.
COMPLIANCE TABLE
AREA (sq. ft.) I WIDTH (ft.) I DEPTH (ft.) I NOTES
Code (IOP) 43,560 200 200 1.0 acre
Lot 1 115,555 318 308 I 2.65 acres
RECOMMENDATION
Staff recommends approval of the final plat for Audubon Corporate Center 2nd Addition subject
to the following conditions:
1. Existing City boulevard trees will be protected with fencing during all phases of construction.
The applicant will be responsible for replacing any trees that die as a result of construction
activity.
IDI Expansion— 8303 Audubon Road—Planning Case 2016-18
July 25, 2016
Page l0of11
2. A wetland buffer 20 feet in width and a 30-foot setback from the wetland buffer must be
maintained around all wetlands on the property. Secondary structures are allowed to
encroach up to 50% of the setback. It appears that the retaining wall has exceeded the
allowed encroachment and needs to be moved out of this 15-foot setback. Wetland buffer
areas shall be preserved, surveyed and staked in accordance with the City's wetland ordinance.
The applicant must install wetland buffer edge signs, under the direction of City staff,before
construction begins and must pay the City$20 per sign.
3. The retaining wall needs to be moved so that it is at least 15 feet from the edge of the buffer or
35 feet from the wetland edge.
*This condition has been met.
4. A NPDES Phase II Construction Site Storm Water Permit will be required from the
Minnesota Pollution Control Agency(MPCA) for this site.
*This condition has been met.
5. Based upon the area and land use type,the Storm Water Utility Connection Charge is
estimated to be$23,500.69 due with the final plat.
6. The applicant shall apply for and obtain permits from the appropriate regulatory agencies(e.g.,
Minnesota Pollution Control Agency,Minnesota Department of Natural Resources(for
dewatering))and comply with their conditions of approval.
7. Park fees in the amount of$33,125.00 shall be paid prior to recording the final plat.
8. No burning shall be issued for trees to be removed. Trees and shrubs must be removed from
site or chipped.
9. 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.
10. Building permits are required for all retaining walls four feet tall or higher and must be
designed by a Structural Engineer registered in the State of Minnesota. Additional top and
bottom elevations should be added to the retaining wall.
11. A minimum vertical separation of 18 inches is required at all storm, sanitary, and watermain
crossings. Provide details of each crossing to ensure minimum separation.
12. Sanitary sewer and watermain hookup fees will be required at the time of building permit
issuance. All of these charges are based on the number of SAC units assigned by the Met
Council and are due at the time of building permit issuance.
IDI Expansion— 8303 Audubon Road —Planning Case 2016-18
July 25, 2016
Page 11 of 11
13. Collector and Arterial Roadway Traffic Impact Zone fees will be collected with the final plat.
The fee will be based on the commercial rate of$3,600 per developable acre. With 2.06
developable acres,the fee is $7,416.00.
14. A drainage and utility easement will need to be placed over the wetland and associated buffer
with final plat.
ATTACHMENTS
Reduced Copy of Final Plat
Resolution Approving Audubon Corporate Center 2°d Addition
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CITY OF CHANHASSEN
CARVER AND HENNEPIN COUNTIES, MINNESOTA
DATE: RESOLUTION NO:
MOTION BY: SECONDED BY:
A RESOLUTION APPROVING A FINAL PLAT
AUDUBON CORPORATE CENTER 2ND ADDITION
WHEREAS, Eden Trace Corp. and Equitable Holding Co. LLC. have requested the final
plat of Outlot A,Audubon Corporate Center into 2.65-acre lot; and
WHEREAS, the Chanhassen City Council held a hearing on July 25, 2016, and found
the plan consistent with the Chanhassen Comprehensive Plan and Zoning ordinance.
NOW,THEREFORE,BE IT RESOLVED that the Chanhassen City Council hereby
approves the final plat for Audubon Corporate Center 2nd Addition (Planning Case#2016-18) for
Equitable Holding Co. LLC for property legally described Outlot A, Audubon Corporate Center,
Carver County, Minnesota, subject to the following conditions:
1. Existing City boulevard trees will be protected with fencing during all phases of
construction. The applicant will be responsible for replacing any trees that die as a result
of construction activity.
2. A wetland buffer 20 feet in width and a 30-foot setback from the wetland buffer must be
maintained around all wetlands on the property. Secondary structures are allowed to
encroach up to 50% of the setback. It appears that the retaining wall has exceeded the
allowed encroachment and needs to be moved out of this 15-foot setback. Wetland buffer
areas shall be preserved, surveyed and staked in accordance with the City's wetland
ordinance. The applicant must install wetland buffer edge signs,under the direction of
City staff,before construction begins and must pay the City$20 per sign.
3. The retaining wall needs to be moved so that it is at least 15 feet from the edge of the
buffer or 35 feet from the wetland edge.
*This condition has been met.
4. A NPDES Phase II Construction Site Storm Water Permit will be required from the
Minnesota Pollution Control Agency(MPCA) for this site.
*This condition has been met.
5. Based upon the area and land use type, the Storm Water Utility Connection Charge is
estimated to be$23,500.69 due with the final plat.
1
6. The applicant shall apply for and obtain permits from the appropriate regulatory agencies
(e.g., Minnesota Pollution Control Agency, Minnesota Department of Natural Resources
(for dewatering)) and comply with their conditions of approval.
7. Park fees in the amount of$33,125.00 shall be paid prior to recording the final plat.
8. No burning shall be issued for trees to be removed. Trees and shrubs must be removed
from site or chipped.
9. 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.
10. Building permits are required for all retaining walls four feet tall or higher and must be
designed by a Structural Engineer registered in the State of Minnesota. Additional top
and bottom elevations should be added to the retaining wall.
11. A minimum vertical separation of 18 inches is required at all storm, sanitary, and
watermain crossings. Provide details of each crossing to ensure minimum separation.
12. Sanitary sewer and watermain hookup fees will be required at the time of building permit
issuance. All of these charges are based on the number of SAC units assigned by the Met
Council and are due at the time of building permit issuance.
13. Collector and Arterial Roadway Traffic Impact Zone fees will be collected with the final
plat. The fee will be based on the commercial rate of$3,600 per developable acre. With
2.06 developable acres, the fee is $7,416.00.
14. A drainage and utility easement will need to be placed over the wetland and associated
buffer with final plat.
Passed and adopted by the Chanhassen City Council this 25th day July of 2016.
ATTEST:
Todd Gerhardt, City Clerk/Manager Denny Laufenburger, Mayor
YES NO ABSENT
g:\plan\2016 planning cases\2016-I8-idi expansion-8303 audubon road\resolution audubon corporate center 2nd add.doc
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