HomeMy WebLinkAbout4.A.1. Final Plat of Dakota Crossing-Res. No 7298 Consent Business 4. A. 1.
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TO: Mayor and City Council
Mark McNeill, City Administrator
FROM: Julie Klima, Planner lI
DATE: OS/07/2013
SUBJECT: Final Plat of Dakota Crossing-Res.No. 7298 (B)
Action Sought
Offer a motion to approve Resolution No. 7298, A Resolution Approving the Final Plat of Dakota Crossing and
move its approval. This action has no immediate budget impact.
DISCUSSION
Ryland Homes has submitted an application for final plat approval of Dakota Crossing, Caselog No. 13-018. This
application has a review period deadline of July 28,2013. The proposed plat is on property located north of CSAH
16 and west of Hilldale Drive. Please see the attached location map for the specific site location. The subject site
is approximately 40 acres in size and proposes the creation of 66 single family residential lots (please see attached
Final Plat drawing for details). The plat also proposes the creation of 3 outlots. Outlot A will encompass a
wetland/natural area and will be deeded to the City. Outlot B is a storm ponding area and Outlot C will be
incorporated into the adjacent property(south of CSAH l 6) when that property develops.
The tinal plat also proposes an off site improvement the construction of a roadway connection to Hilldale Drive.
This roadway connection will allow for the Dakota Crossing project to have a full access off of CSAH 16. The
connection point for Hilldale Drive and CSAH 16 will be closed once the connection to Hilldale Drive is made and
the new full access point onto CSAH 16 is completed. Also attached for the applicant's reference are the comments
from WSB regarding the stormwater management plan.
The preliminary plat was approved by the City Council in February 2013. The final plat is in substantial
conformance with the approved preliminary plat.
RELATIONSHIP TO VISIONING
Goal B: Positively manage the challenges and opportunities presented by growth, development and change.
ALTERNATIVES
1.Approve the Final Plat of Dakota Crossing, subject to the conditions presented.
2.Approve the Final Plat of Dakota Crossing, subject to revised conditions.
3. Deny the Final Plat of Dakota Crossing.
4. Table a decision on the Final Plat of Dakota Crossing and request additional information from staff and/or
the applicant.
STAFF RECOMMENDATION
Staff recommends approval of the Final Plat of Dakota Crossing, subject to the conditions proposed in Resolution
No. 7298 (Alternative No. 1).
ACT10N REQUESTED
Offer a motion to approve Resolution No. 7298,A Resolution Approving the Final Plat of Dakota Crossing, subject
to conditions,as presented,and move its adoption
Attachmeats: Resolution No. 7298
Location Map
Final Plat Drawing
WSB comments re: stormwater management
RESOLUTION NO. 7298
A RESOLUTION OF THE CITY OF SHAKOPEE,MINNESOTA APPROVING THE
FINAL PLAT OF DAKOTA CROSSING
WHEREAS,Ryland Homes,applicant and James Zoschke,property owner,have made application
for final plat approval of Dakota Crossing;and
WHEREAS,the subject property is legally described as:
The North 40 acres of the West Half of the Southwest Quarter of Section 13,
Township 115, Range 22, Scott County,Minnesota; and
WHEREAS,on November 8, 2012,the Planning Commission held a public hearing on this
matter and recommended approval of the preliminary plat of Dakota Crossings with conditions;and
WHEREAS,the Shakopee City Council reviewed the Preliminary Plat for Dakota Crossings at
its February 19, 2013 meeting;
WHEREAS,the proposed final plat of Dakota Crossing is in substantial compliance with the
approved preliminary;
WHEREAS,the Shakopee City Council reviewed the Final Plat for Dakota Crossing at its May
7, 2013 meeting; and
NOW THEREFORE,BE IT RESOLVED by the City Council of the City of Shakopee,
Minnesota that the final plat of Dakota Crossing is hereby approved subject to the following conditions:
I. The following procedural actions must be completed prior to the recording of the Final
Plat:
A. Street names shal] be revised as follows: Dakota Lane shall be renamed and a name
shall be provided for the north/south leg of the currently proposed Spring Lake Drive.
Proposed street names are subject to City review and approval.
B. The signature block shall be revised to reflect the necessary signatures and titles for
City representatives.
C. Approval of title by the City Attorney.
D. Execution of a Developers Agreement,which shall include provisions for security for
public improvements within the Final Plat,as well as payment of engineering review
fees, and any other fees as required by the City's adopted fee schedule.
l. Street lighting to be installed in accordance with the requirements of the
Shakopee Public Utilities Commission.
2. Electrical system to be installed in accordance with the requirements of the
Shakopee Public Utilities Commission.
3. Water system to be installed in accordance with the requirements of the
Shakopee Public Utilities Commission.
4. Installation of sanitary sewer and storm sewer systems,and construction of
streets in accordance with the requirements of the Design Giteria and
Standard Specifications of the City of Shakopee.
5. The developer shall be responsible for payment of Trunk Storm Water
Charges, Trunk Storm Water Storage and Treatment Charges, and Trunk
Sanitary Sewer Charges,as required by the most current City of Shakopee
Fee Schedule.
6. Payment of all storm water management review charges as required by the
most current City of Shakopee Fee Schedule.
7. Payment of all bituminous sealcoat charges need to be made, as required by
the most current City of Shakopee Fee Schedule.
8. The applicant shall meet park dedication requirements by providing cash in
lieu of land dedication.
9. Park dedication fees in the amount required by the City Code and adopted
City fee schedule shall be paid at the time of the recording of the final plat.
10. The Developer's Agreement shall include provisions for the construction of
the off-site improvement of the roadway connection to Hilldale Drive. All
customary requirements of construction shall be applicable to this off-site
improvement.
E. Provide electronic files(AutoCAD and Adobe Acrobat formats) of the Final Plat to be
recorded with datum on the Scott County coordinate system.
F. Right-of-way, in the form of sight triangles fifteen (15) feet in dimension, will be
provided at all local street intersections, as well as at the County Road l6 intersection.
G. Outlot A needs to encompass the existing wetland and needs to be deeded to the City
of Shakopee.
H. Outlot B will be deeded to the City of Shakopee.
I. Outlot C shall be eliminated and incorporated into the adjacent lots.
J. Easements need to be shown on the Final Plat as approved by the City Engineer. They
will include, but are not limited to,the following:
1. Minimum drainage and utility easements for public storm sewer need to be
dedicated per the City of Shakopee Design Criteria, Section 10.1 (A-D). The
easements need to be centered along the public utility alignments.
2. Provide a minimum of ten (10) feet of drainage and utility easement south of
CB 107(Lot 2, Block 1).
3. Additional drainage and utility easement may need to be provided between
Lots 3 and 4, Block 2.
4. Provide additional drainage and utility easement in the rear of Lots 16-18 of
Block 2 to accommodate drainage.
5. Provide a minimum of ten (1) feet of drainage and utility easement north of
CB 102 (Lot 18, Block 2).
6. Additional drainage and utility easement may need to be provided between
Lots 12 and 13, Block 3.
7. Provide additional drainage and utility easement in the rear of Lots 5 and 6 of
Block 4 to accommodate the emergency overflow route.
8. Provide a minimum of ten (10) feet combined of right-of-way and drainage
and utility easement to the west of the proposed storm sewer alignments
between FES G and CBMH 201 and FES F and CBMH 2O0.
9. Lots 6 and 7, Block 3 will require additional side yard easement area to
accommodate the necessary overdepth on the 18"trunk watermain. Likelyl5
feet on each lot, possibly more to be determined in final design.
10. Lots 17 and 18, Block lwill require additional side yard easement area to
accommodate buried utility lines. Minimum of 10 feet on each lot, possibly
more to be determined in final design.
II. The following items need to be addressed/completed prior to approval of a grading
permit and/or street and utility plan:
1. The applicant will need to obtain final approval of the storm water management plan.
2. The applicant will obtain the necessary permission, right-of-way and/or easements to
perform all work offsite.
3. The applicant will obtain the necessary Scott County permits/approvals. Copies of these
approvals will be provided to the City.
4. The applicant will obtain a NPDES permit prior to any land disturbing activity. A copy
of this permit will be provided to the City.
5. The applicant does not propose impacts to adjacent wetlands,but they will need to obtain
approval of a wetland type and boundary application prior to any work in the vicinity of
the existing wetland complex.
6. The applicant will grade the entire site, as proposed on the approved plans, in one phase
within one (1) year from the date of approval of the grading permit application. Grading
is defined as bringing the site to the proposed finished grade with materials deemed
acceptable by the City of Shakopee engineering department, providing topsoil per City
requirements and applying seed, mulch and/or sod per City requirements and providing
an as-built record grading plan per Section 2.5 of the City of Shakopee Design Criteria.
7. The applicant will provide a formal hydrology report summarizing the change in drainage
patterns in the Hilldale Drive area. Detailed drawings and 2, 10 and 100-year flow rates
need to be provided.
8. The applicant needs to be aware the dwelling setback requirement to the approved high
water level of the storm water basins set forth in Section 10, Subdivision S.A.1 of the
City of Shakopee Design Criteria includes decks.
9. The applicant will provide an adequate number soil samples/tests in close proximity of
the infiltration system to verify the infiltration rates of the existing soils. The system
design may need to be altered based on the results.
10. The applicant will line the proposed storm water basin with a minimum of two(2)feet of
clay up to the normal water level. However, this depth can be reduced to one (1) foot if
the material meets certain specifications set forth by the City Engineer.
11. The applicant will provide a forebay (for sediment collection) at each flared end section
outletting to the storm water basins.
12. The applicant will provide wetland type vegetation below the approved high water level
of the storm water basins.
13. The applicant will revise the grading plan or provide additional easements to keep
drainage from each lot within dedicated drainage and utility easements adjacent to that
lot. Several areas appear to conflict with this requirement. They are as follows:
• Lots 1-3, Block 1.
• Lots 1-6, 8-10 and 14-16 of Block 2.
• Lots 2-3,6-7, 15-16, 18-19 and 22-23 of Block 3.
• Lots 1-4, 5-7 and 12-13 of Block 4.
14. The applicant will show all driveway grades greater than nine (9) percent on the grading
plans.
15. The applicant will obliterate the existing access to the property.
16. The applicant will show lowest floor elevations for all lots on the grading plan. These
low floor elevations will comply with requirements set forth in Section IV, Subdivision 7
of the City of Shakopee's Comprehensive Water Resources Management Plan.
17. The applicant will reduce the normal water level footprint of storm water basin 1 P.
18. The applicant will provide slopes no steeper than four(4) feet horizontal to one (1) foot
vertical below the approved high water levels of the storm water basins.
19. The applicant will provide a bituminous trail along County Road 16 (Eagle Creek
Boulevard). The design needs to be revised to eliminate surface water runoff directly
over the trail.
20. In order for Spring Lake Drive to have a full access at County Road 16 (Eagle Creek
Boulevard), the applicant will need to obtain the adequate right-of-way to extend Dakota
Drive to Hilldale Drive, physically extend Dakota Drive to Hilldale Drive and obliterate
the Hilldale Drive access to County Road 16 (Eagle Creek Boulevard). Part of this work
needs to include providing an adequate cul-de-sac at the southern terminus of Hilldale
Drive.
21. Without access to County Road 16 (Eagle Creek Boulevard), no extension of Dakota
Drive to Hilldale Drive will be allowed and the property will need to develop from the
Foothill Trail access. As there is only one access, development must comply with the
maximum allowable cul-de-sac length set forth in Section 8, Subdivision 7 of the City of
Shakopee Design Criteria.
22. Spring Lake Drive from Foothill Trail to County Road 16 (Eagle Creek Boulevard) is the
through street. Therefore, the two (2) percent cross slope will be carried through the
intersections with Dakota Drive.
23. The applicant will remove all curb and gutter from within the County Road 16 (Eagle
Creek Boulevard)right-of-way.
24. The applicant will provide a detailed signage and striping plan.
25. The applicant will provide a street plan and profile sheet for the Dakota Lane extension
to Hilldale Drive and all associated work.
26. In order to reduce maintenance responsibilities, mid-lot catch basins placed solely to
reduce easement widths will not be allowed. These storm sewer alignments will be
revised or additional drainage and utility easements provided.
27. Class IV fieldstone riprap will be placed at each flared end section outletting to the storm
water basins and wetland. The riprap will be placed to the bottom of the basin/wetland
slopes.
28. CBMH 111 and CB 112 are low point catch basins and need to be located at the same
station. Revise the design as necessary.
29. The applicant will install sod the full width of all rear yard drainage and utility easements
that contain storm sewer.
30. The storm sewer alignment between CBMH 100A and FES E will be centered in Outlot
B.
31. The applicant will provide reinforced turf(geogrid) in the drainage and utility easement
in the area between Lots 10-12 of Block 3 containing storm sewer from STMH 127 to
FES B.
32. The applicant will provide reinforced turf(geogrid) in the portion of Outlot B containing
storm sewer from CBMH 100A to FES E.
33. All proposed catch basins in streets will need to be offset a minimum of ten (10) feet,
edge to edge,from all driveways(per standard detail 4011).
34. The applicant will verify the velocity in the sanitary sewer between SSMH 1 and SSMH
2 is less than ten(10)feet per second. Revise the design as necessary.
35. The applicant will provide a casing pipe long enough to accommodate for future
expansion of County Road 16(Eagle Creek Boulevard).
36. The applicant will work with Shakopee Public Utilities (SPU) staff to
remove/underground all existing overhead electric lines on the property.
37. The applicant will revise the proposed landscaping plan to be in compliance with the
most recent version of the City of Shakopee's Easement Fencing and Landscaping
Policy.
38. No landscaping will be allowed in front yard drainage and utility easements, unless a
detailed plan is submitted clearly showing how all lots will be served by private utilities.
Prior to submittal, all applicable private utility companies will need to review and
approve this plan.
III. Following approval and recording of the final plat,the following conditions shall apply:
A. The applicant needs to be aware the dwelling setback requirement to the approved
high water level of the storm water basin(s) set forth in Section 10, subdivision S.A.1
of the City of Shakopee Design Criteria includes the construction of decks.
B. No public improvements will be constructed until the City Engineer and the Shakopee
Public Utilities Commission (SPUC)approves the required Final Construction Plans
and Specifications.
C. Building construction, sewer, water service, fire protection and access will be
reviewed for code compliance at the time of building permit application(s).
D. Noise issues along the County roadways may arise as traffic levels increase in the
area. The developer and/or their assigns shall be responsible for any required or
desired noise mitigation measures.
E. The developer should implement the use of Best Management Practices for erosion
control and stormwater management during construction.
F. All work within the County right-of-way shall require a County permit.
G. The applicant shall provide and install park, open space, and trail boundary signage as
determined to be needed by the city.
H. Final grading requires the placement of six inches of topsoil for the establishment of
turf and plantings. The soil composition should be similar to the MnDOT topsoil
borrow requirements.
I. One overstory shade deciduous tree is required in the front yard of each lot.
J. Buildings require sod placement in front yards and seed or sod placed in side and rear
yards.
K. Irrigation systems require rain sensors.
L. The applicant will seed proposed drainage and utility easements containing storm
ponds native wetland seed mixture and erosion control blanket be placed throughout
the entire easements and around outlets to prevent erosion and sediment deposits from
discharging to downstream water bodies.
M. The applicant is responsible for preserving all trees indicated as saved on the plans. If,
as a result of mass grading,any of these trees are determined to be wounded
sufficiently to be considered dead or dying by the Natural Resources Coordinator,the
developer will be required to replace the tree(s)according to the Woodland and Tree
Management Ordinance.
N. Tree protection fence for mass grading is to remain in place the duration of the land
disturbing activities, including the building of residential homes. Removal of the silt
fence and tree protection fence for mass grading will be the responsibility ofthe
developer.
O. Temporary street signs shall be provided until such time that permanent street signs
are installed.
P. The applicant shall obtain the appropriate permits for all structures to be removed
from the site and/or demolished.
Q. No berming, landscaping, ponding or signage shall be permitted in the County right-
of-way.
R. The outlot proposed south of County Road 16 shall be incorporated into the adjoining
property at the time that it develops so as to eliminate this remnant parcel.
S. Silt fence and/or tree protection fence shall not be installed within delineated wetland.
T. The silt fence installed as tree protection fence be orange in color and placed outside
the tree drip line. Trees with silt fence placed within the drip line will be considered
removed and require replacement according to the Woodland and Tree Management
ordinance.
U. The developer has indicated they may be interested in also developing the 40 acre
parcel on the south side of CSAH 16 in the future. If the parcel on the south side of
CSAH 16 developers in the future,no new access connection shall be permitted to
CSAH 16 for that parcel until a left turn lane can be constructed on CSAH 16.
V. The applicant will provide a bituminous trail along County Road 16. The design
needs to be revised to eliminate surface water runoff direction over the trail.
W. All trails and sidewalks shall be constructed to meet ADA requirements or guidelines.
X. An access permit shall be required for the proposed Spring Lake Drive connection to
CSAH 16. A right turn lane and bypass lane shall be required for the new access as
well as,the removal of the Hilldale Drive access from CSAH 16.
Y. Any necessary right of way for the turn lanes, casings under CSAH 16, and access
removal shall be the responsibility of the developer.
Z. A utility permits shall be required for the installation of the trail on the CSAH l6
right-of-way. The trail shall meet ADA standards.
AA. The connection of Spring Lake Drive onto CSAH 16 appears to cross another property
to access the CSAH 16 right-of-way. Easements will need to be secured for the access
onto CSAH 16.
BB. The applicant needs to revise the proposed landscaping plan to be in compliance with
the most recent version of the City of Shakopee's Easement Fencing and Landscaping
policy.
CC. The applicant must meet the City's Woodland Management Ordinance requirements.
DD. Tree replacement requirement is 2:1 ratio. The applicant has proposed to remove 154
trees on site and 36 trees off site. The replacement requirement is 77 trees on site and
12 trees off site. Per the submitted landscape plan the applicant proposes to plant 235
trees.
EE. Pursuant to City Code Section 12.24, Subd. 2 the project will be required to be in
compliance with the Natural Resources Corridor Design Criteria.
FF. The developer should submit a revised landscaping plan illustrating the species of
trees to be planted in each location. The applicant shall establish a conservation
easement over the trees on Lots 1-16 on the northern boundary from the rear property
line up the slope to the approved grading limits.
GG. A conservation easement shall be ganted to the City over Outlot A.
HH. The applicant shall provide and install conservation easement signage as determined
to be needed by the city. The applicant is responsible for providing and installing the
4x4x8 treated wood posts and purchase the signage from the city at the fee set forth in
the City's current fee schedule.
II. Replacement trees are required to be planted as follows:
1. A minimum of four feet from impervious surfaces.
2. A minimum of ten feet from property lines.
3. Not in easements containing utilities.
4. Not in City owned right-of-way.
5. Not below overhead utilities.
6. Not below high water levels(HWL) in existing or created ponds or wetlands.
7. The applicant will plant a diversity of tree species on site consistent with the
existing woodlands to prevent impacts from future disease.
8. Consistent with the Shakopee Tree Planting Guidelines.
9. Ash(Fraxinus sp.)and Colorado Blue spruce(Picea pungens)are not
allowed to be planted due to current insect and disease issues.
Adopted in regular session of the City Council of the City of Shakopee,Minnesota,
held the day of ,2013.
Mayor of the City of Shakopee
Attest:
Julie Linnihan, City Clerk
Scott County, MN
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Property Information
Parcel ID:279130470 Bathrooms:1
Taxpayer Name:ZOSCHKE JAMES R Year Built:1930
Taxpayer Addressl:1340 3 AVE W#303A Deeded Acreage:40
Taxpayer Address2:SHAKOPEE,MN 55379 GIS Acreage:37.62427
Properly Addressl:8065 EAGLE CREEK Zoning Classiflcation:
Property Address2:SHAKOPEE MN 55379 Legal Description:Section 13 Township 115
Range 022 N 40A OF W1l2 SW1f4
School District:0 Plat Name:
Estimated Land Value:$1,318,200 Block:
Estimated Buildings Value:$0 lot:
Total Estimated Market Value:$1,318,200 Unique Well&Boring No.:
Home Sryle:TWO STORY Welf Depth Driiled:
Bedrooms:4 Well Date Drilled:
This drewinp is neiUxr a kgaily recorded map rwr a survey and is not Ma p Scale N
inlended to be used aa one.This drawing is a compla6on ot records,
intormation,and data located in various ciry canry and state oRces,and 1 inch= 1369 feet
other sources effecting ihe area chavn,and is to be used ta rafereixn W E ,+.��±W±Wz
purposes only.Scott Caxity is nol responsible tor any inaccurocies herein Ma Date ,
conlained.It discrepa�cies are taund,pleasa wnlad tha Swtt Counry (�
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4/29/13 Ciryof Shal�pee Mail-Dalwta Crossing Plan Storm�nrater Management Plan Re�ew,Sha{�pee,MN WSB#1381-35
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Dakota Crossing Plan Stormwater Management Plan Review, Shakopee, MN
WSB#1381-35
Ted Witkowski <TWitkowski@wsbeng.com> Fri, Apr 26, 2013 at 2:33 PM
To: Joe Swentek �JSwentek@ci.shakopee.mn.us>
Cc: Bob Barth <BBarth@wsbeng.com>, Todd Hubmer <THubmer@wsbeng,com>
Good Afternoon Mr. Swentek,
I ha� completed the stormwater management plan review of the Dakota Crossing de�lopment in the City of
Shakopee. Tl�e submitted stormwater management plans are in general conformance with the City stormwater
management policies. This review is based on the plans pro�ided on 4/19/13 by Jodie Scheidt from JR Hill for
Ryland Homes, and previously submitted information.
I am providing the following re�iew comments and obsenration for your consideration.
Summary ',
1. The stormwater rate control requirements for the area tributary to the stormwater management features on
site are in conformance with the City standards. The use of an 8° orifice outlet from the rear yard pond provides
rate control consistent with the City standards.
2. The water quality treatment �rolume provided by Pond 2 is in conformance with City NUPR standards.
3. The low building opening elevations for the site appear to be in conformance with City policies based on the
grading provided for review. The grading plan appears to ha�ne seUeral structures with low floor elevations that do
not have 2 feet of
4. The infiltration system being constructed is reasonable for the de�lopment size, and I would recommend
that the system be accepted by the Public Works Director.
5. The storm sewer system design capacity meets the City design criteria. The system will require minor
modifications to incorporate skimming from the Biock 3 stormwater storage area.
6. The drainage and utility easements for majority of the site appear to be in conformance with the City
standards. ll�e drainage and utility easements for storm sewer system at the intersection of Dakota Lane and
Hilldale A�nue are less than the 10' width identifled in the City design standards. it is requested that the
drainage and utility easements over this system be in conformance with City policy.
https://mai I.g oog I e.corrJmai l/u/0/?ui=2&i Ir 7d2cObOcf9&�i ew=pt&search=i nbox&th=13e47d5a45553d07 ��3
4/29/13 Cityof Shakflpee Mail-Dal�ota Crossirg Plan Stormsrater Management Plan Re�iew,Shal�pee,fv1N WSB#1381-35
Gradi�g Plan and Construction Plan Comments
1. The low floor elevations for the Rambler structures on Lot 14, Blk 2, and Lots 13-16, Blk 3 do not appear to
have 2 feet of freeboard to the highwater elevation of the stormwater storage basins. The low floor elevations of
these structures should be brought into conformance with City policies.
2. The Pond outlet control structure detail should be pro�ided for review. The detail should be consistent with '
the stormwater modeling input. The Pond 1 outlet control structure should include skimming as part of the
system design as outlined in the City design standards.
3. The riprap at the storm sewer outfalls should be Class IV as the City has been using larger riprap to reduce
maintenance. It is recommended that the riprap be fieldstane to impro�,+e the aesthetics of the system.
4. The storm sewer system from CBMH 100A to FES E is shown twice in the plans on sheet 7.2 & 7.4. Verify
that all of the pipe profiles for the project are shown in the plans. �
5. The storm sewer system from FES D to STMH 114 should be revised to provide skimming of floatables. The
apron has riprap at the pipe inlet. Is the riprap necessary? ,
6. The watermain and sanitary sewer profiles should be shown on all of the storm sewer profiles as shaded. The '
Spring Lake Drive storm sewer profiles on sheet 6.2 should be v�rified for potential interference with the water '
services to Lot 20, Block 1.
7. It is recommended that a ditch be graded between CR 16 and the proposed trail on the south side of the
de�lopment to direct stormwater runoff and snowmelt to a single catch basin discharging into the Biock 3 pond.
The conveyance of stormwater and snowmelt across the trail could lead to increased maintenance and potential
ice buildup creating a safety hazard.
8. It is recommended that Structure STMH 129 be constructed with a 2' sump to preNent deterioration of the
base slab. The structure base slab will be dissipating the stormwater�locity from the upstream pipe being
installed at 18.00%. It is recommended that an anti-seepage collar be installed around the pipe form STM 128A
to STMH 129A to pre�nent any undermining of the pipe, and that all of the pipe joints be tied between these
structures to pre�nt joint separation.
9. It is recommended that FES G at Hilldale A�,�enue be replaced with a catch basin to reduce the pipe slope of
15.11% to CBMH 2O1. The use of shallow catch basin at this location will impro� the grading plan and present
less of a safety hazard than an apron inlet.
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4/29/13 Cityof Shal�pee Mail-Dal�ta Crossing Plan Stormwater Management Plan Re�iew,Shaf�pee,MN WSB#1381-35
10. The Hilldale A�nue road typic. �ection at FES H should be reconstruct� �ith a 1:3 sideslope. The grading
plan in this area should be revised to reflect a 1:3 sideslope and the FES H location should be installed to fit into
the road section grading.
11. The erosion control plans should include all necessary items to pre�nt erosion at the storm sewer system
(STMH 128A to FES A)going down the bluff on the north side of the project. The erosion control plan should
account for control of the material that will be generated out of the trench being cut into the bluff slope for the pipe
installation. Tlie erosion control items shown on sheet 4.1 do not account for this area being disturbed by the
project.
12. It is requested that the infiltration shelf on pond 2 in the rear yards use a highiy porous topsoil mixture to
allow for inflow of water to the rock infiltration section.
This completes my review of the Dakota Crossings stormwater management plan, grading plan, and construction
plans. If you ha�n any questions or comments concerning this review do not hesitate to contact me. ,
Thanks
Ted
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