HomeMy WebLinkAbout4A - Stone Path Preliminary Plat and PUD
4646 Dakota Street SE
Prior Lake, MN 55372
PLANNING COMMISSION AGENDA REPORT
MEETING DATE: September 22, 2025
AGENDA #: 4A
PREPARED BY:
PRESENTED BY:
Paul Moretto, Planner
Paul Moretto
AGENDA ITEM: Consider a Preliminary Plat and Preliminary Planned Unit Development Plan for
a development to be known as Stone Path at 4730 140th Street NE
DISCUSSION: Introduction
KJ Walk Inc. has applied for approval of a Preliminary Plat and Preliminary Planned
Unit Development (PUD) Plan to be known as Stone Path. The application proposes
11 lots in a low-density residential development at 4730 140th Street NE near the in-
tersection of Rolling Oaks Circle NE and Bluebird Trail NE, south of County Road
(CSAH) 42.
The purpose of this public hearing is to consider a request for a Preliminary Plat and
Preliminary PUD Plan for the subdivision of 11 single-family detached residential lots
on approximately 5.38 gross acres (4.13 net developable acres) at 4730 140th Street
NE.
History
In June 2023, the Planning Commission reviewed a conceptual site plan and approved
Resolution 23-05PC to allow for the developer to apply for a PUD under criteria found
in Section 1132.801 for a project less than 10 acres.
On July 22, 2024, KJ Walk Inc submitted an application to develop the subject property
as a single-family development. After initial city review, the city identified critical items
that needed further study and revisions. As part of this process, the city, with developer
consent, has extended the hearing and decision deadline, per MN SS 15.99, on four
occasions. This process has led to numerous revisions and modifications.
Staff is now confident the applicant can meet the standards of the city and should pro-
ceed with their application.
PRELIMINARY PLAT AND PRELIMINARY PLANNED UNIT DEVELOPMENT PLAN
The subject parcel is 5.38 acres with 4.13 acres developable for residential homes.
Topography, wetland locations and minimum density requirements require lot size var-
iations that are not conducive to standard low-density R-1 lots. Therefore, a Planned
Unit Development is proposed for this development to both minimize development im-
pact while maintaining a minimum density of 2.5 units per acre.
PHYSICAL SITE CHARACTERISTICS:
Total Site Area: The total development site area is approximately 5.38 acres. Net
acreage for development is approximately 4.13 acres.
2
Topography: The area includes upland around 900’ MSL elevation with moderate un-
dulation with a high point near 924’ MSL. There are lower wetlands near 898’ MSL.
Wetlands: There are wetlands located throughout the property. The unique lot design,
layout and unit types take this fact into consideration. The developer proposes mini-
mizing impact on the wetland through design. These designs are evaluated under the
regulations of the Wetland Conservation Act.
Access: The primary access to this site is at the intersection of Bluebird Trail NE and
Rolling Oaks Circle NE. Rolling Oaks Circle NE connects to CSAH 42. Bluebird Trail
NE was designed and intended to continue from its current terminus to Rolling Oaks
Circle NE.
2040 Comprehensive Plan: This property is guided for Residential Low Density in the
Comprehensive Plan and the development proposal matches this designation.
Zoning: The subject parcel is zoned R-1, Low Density Residential. The density pro-
posed by this development matches the requirements of the R-1 zoning.
PROPOSED PLAN
Lots: The development plan calls for 11 new residential lots. These lots vary in size
from a minimum width of 65 feet to a maximum width of 97.83 feet.
Single-Family Units
The lots will range from 8,439 to 28,000+ square feet. Front yard setbacks will be 25
feet with side yard setbacks of 7.5 feet. Minimum rear yards will be 20 feet.
Density: Density of the development is based on the net area of the site, which is
approximately 4.13 acres. At 11 units this calculates to 2.67 units per acre. This is
consistent with R-1 zoning and LD-R land use standards which have a minimum 2.5
unit per acre requirement. This density is substantially similar to the adjacent subdivi-
sions.
Building Setbacks: The developer is proposing the following standards as part of the
R-1, Low Density Residential Planned Unit Development:
Setbacks R-1 Proposed
Lots
Front 25’ 25’
Side 10’ 7.5’
Rear 25’ 20’
Side yard (abutting street) 25’ 25’
Min. Lot Width 86’ 65’
Min. Lot Depth 140’ 120’
Min. Lot Size 12,000 sf 8,439 sf
Sidewalk/Trails: A sidewalk is provided on south side of Bluebird Trail NE and
matches alignment with the existing path.
Tree Replacement: The applicant submitted a tree survey identifying a total of 312
trees on the site, of which 290 trees (3,586” DBH) qualify as significant under the
3
City’s ordinance. The development proposes to remove 216 trees, including 199 sig-
nificant trees totaling 2,506” DBH.
Per the Zoning Code, up to 35% of significant tree inches (≈1,255” DBH in this case)
may be removed without replacement. The proposed removals exceed this allowance
by approximately 1,251” DBH. Using the required replacement ratio of ½ caliper inch
per inch removed in excess, the project generates a replacement obligation of 625
caliper inches.
One heritage tree (a 31” Red Oak in good condition) is being preserved. In accordance
with ordinance provisions, this tree provides a credit of 62 caliper inches toward the
replacement requirement. After applying this credit, the net tree replacement obligation
is 563 caliper inches.
For context, this replacement obligation equates to:
• 281 trees at 2” caliper; or
• 225 trees at 2.5” caliper; or
• 188 trees at 3” caliper.
The developer submitted an existing tree plan and will submit a Tree Replacement
Plan at the time of Final Plat that demonstrates how this requirement will be satisfied.
At least 80% of replacement must be provided through overstory trees unless other-
wise approved by the Zoning Administrator. Replacement trees shall be planted on
private lots within the development unless the applicant demonstrates it is not feasible,
in which case the ordinance allows off-site planting or fee-in-lieu contributions as alter-
natives.
Streets: The proposed project will have local public streets that will be 28’ curb to curb.
This design matches the existing Bluebird Trail NE connection. There will be 55’ Right-
of-Way (ROW). All public streets will be constructed to the City of Prior Lake Engineer-
ing and Public Works Standards.
Sanitary Sewer / Water Mains: Sanitary sewer and watermains will be extended
through Bluebird Trail NE.
Grading / Storm Water: The site features modest changes in grading. The proposal
is to grade the development in one phase to take place in Spring 2026. The site will be
graded so that storm water drainage will be directed to one storm water basin in the
north and one on the southwest portion of the site. This will hold volume until water is
discharged to the wetland.
Fees and Assessments: Development fees will be subject to the standards of the city
as required by the fee schedule. Additional fees or escrows may be collected for de-
velopment related activities.
Easements and Walls: A conservation easement will be placed over a significant por-
tion of property located near CSAH 42. This will be dedicated to the Prior Lake - Spring
Lake Watershed District. Two walls will be located in Outlot A and built to city design
standards for walls on public property. Walls located on private property for public pur-
pose will be the responsibility of the homeowner and a legal instrument shall be rec-
orded against the property for that purpose.
4
Additional easements will be required for public infrastructure on Lot 8, Block 1 of Eagle
Ridges Acres (PIN 250520092).
PLANNED UNIT DEVELOPMENT:
Exceptions: The site is encumbered by significant wetlands and existing road connec-
tions. The Metropolitan Council limits development access to sanitary sewer to those
developments 2.5 units per acre or greater based on the City’s Comprehensive Plan.
Without this PUD, development on this site is impractical. Lot size reductions, setback
reductions and lot width reductions are requested by the developer.
Public Benefit: The project, as proposed, through establishment of a conservation
easement, placement of stormwater basins to protect wetlands, and minimizing tree
removal where feasible will provide for continued protection of sensitive wetlands and
conservation of wildlife in addition to the improvement of trails, and roads. Tree removal
was minimized and wetlands related to those trees preserved. The connection of Blue-
bird Trail to Rolling Oaks will eliminate a current ±1,500 ft. dead end road.
Conclusion
City staff and the developer met and communicated on several occasions as the de-
veloper has worked through multiple plan revisions based on city and Prior Lake-Spring
Lake Watershed District (PLSLWD) comments.
City staff is recommending approval of the preliminary plat and preliminary PUD plan
requests, subject to a condition that the developer revise plans to address all City com-
ments.
ALTERNATIVES: 1. Motion and second to recommend City Council approval of the requests for a
Preliminary Plat and Preliminary Planned Unit Development Plan for a
development ot be know as Stone Path at 4730 140th Street NE.
2. Motion and second to recommend City Council deny the requests for a Preliminary
Plat and Preliminary Planned Unit Development Plan for a development ot be know
as Stone Path at 4730 140th Street NE.
3. Provide direction to staff and the applicant and table this item to a future meeting.
RECOMMENDED
MOTION:
Alternative No. 1.
ATTACHMENTS:
1. Location Map
2. Preliminary Plat
3. Development Plans – August 29, 2025
4. Community Development / Public Works Memorandum – 9.12.2025
5. Scott County Memorandum – 9.17.2025
6. PLSLWD Memorandum – 9.17.2025
TEMPORY
STOCKPILE
AREA
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100yr HWL=884.15
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T=86.0B=82.0
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W e t l a n d la
n
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6
1
2
1
5
3
4
3
2
3
C.S.A.H. No. 42
R
O
L
L
I
N
G
O
A
K
S
C
I
R
N
E
BLUEBIRD
TRAIL NE
65.00
70.00
30
25
30
25
BLUEBIR
D
T
R
A
I
L
N
E
7
2
70.00
70.00
70.00 70.00
65.00
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6
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R = 500.00
R = 2 5 0 .0 0
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2
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2
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25
10 10
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N
6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
Preliminary Plat &
Preliminary Grading
SHEET 2 of 9
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
0 50 100 150
Legend
Existing Contour
Proposed Contour
Centerline
Curb
Right of Way
Lot Line
Building Pad
Wetland Preserved
Wetland Impacts
Other Watercourse
Property Boundary
Retaining Wall & Fence
Wetland Buffer Sign
Silt Fence
Inlet Protector
Rock Construction Ent.
LOT AREAS
Block Lot Area (sf)
1 1 8483
2 1 8439
2 2 8604
2 3 11160
3 1 9937
3 2 11755
3 3 12997
3 4 14159
3 5 15777
3 6 21854
3 7 28708
OUTLOT A 47028
ROW Bluebird Trl 27336
ROW CSAH No. 42 7474
TOTAL 233712
5'
7.5'
10'
30'
25'
10'ROW
TYPICAL SINGLE FAMILY LOT
SETBACKS AND EASEMENTS
ROW
20'
HO
U
S
E
S
E
T
B
A
C
K
GA
R
A
G
E
S
E
T
B
A
C
K
20'
10'
10'
30'
25'
10'20'
HO
U
S
E
S
E
T
B
A
C
K
GA
R
A
G
E
S
E
T
B
A
C
K
ROW
5'
7.5'
5'
7.5'
PRELIMINARY PLAT PRELIMINARY
GRADING
Original06/27/2024
WETLAND AREA
TOTAL AREA 13,695 SQ FT
PRESERVED AREA 13,083 SQ FT
IMPACTED AREA 612 SQ FT
REQ'D BUFFER (30' AVG)20,410 SQ FT
PROP BUFFER (15' MIN)33,945 SQ FT
LOT DENSITY CALCULATION
Description Area (sf)
Site Boundary 233712
- ROW C.S.A.H. No. 42 7474
- Outlot A 47028
= Net Development 179210
11 Units
Net Density (units/acre)2.67
Updated per city comments
*REMOVE ALL EXISTING STRUCTURES*
07/30/2024
R (PAD TYPE)
LFE (LOW FLOOR)
LOE (LOW OPENING)
GFE (GAR FLOOR)
REAR GRADE
TYPICAL PAD ELEVATIONS
NOTE:
Perimeter and downstream
sediment control BMPs shall
be installed by the contractor
and inspected by the City
prior to any site work.
Slopes greater than or equal
to 3:1 shall have approved
erosion control BMPs
installed immediately after
grading has finished.
03/07/2025 Updated per city comments
06/04/2025 Updated per city comments
HOUSE PAD CROSS-SECTIONS
NO SCALE
25'
FI
R
S
T
FL
O
O
R
HOUSE PAD
HOUSE PAD
1'
BASEMENT FLOOR
0.5' TOPSOIL
GRADE
FINAL
10
'
0.
5
'
25'
25'
P
60'
55'
L L
P
L
P
RAMBLER (R)
FR
O
N
T
RE
A
R
FR
O
N
T
RE
A
R
L
P
WALKOUT (WO)
9'
1.
5
'
0.5' TOPSOIL
0.5' TOPSOIL
0.5' TOPSOIL
BASEMENT FLOOR
FI
R
S
T
FL
O
O
R
FINAL
GRADE
SPLIT ENTRY WALKOUT (SE/WO)
HOUSE PAD
25'
6'
60'
L
P
L
P
FR
O
N
T
RE
A
R
FL
O
O
R
FI
R
S
T
9'
0.5' TOPSOIL
0.5' TOPSOIL
GRADE
FINAL
0.
5
'
LOT PAD SUB GRADE HELD DOWN BELOW FINISHED GRADE
WO: FRONT=3.0' / REAR=1.0'
SE/WO: FRONT=2.0' / REAR=1.0'
R: FRONT=2.0' / REAR=2.0'
*LOT 1 BLOCK 1 IS 50' DEEP, GRADE DROPS STARTING AT
GA
R
A
G
E
FL
O
O
R
BASEMENT FLOOR
GA
R
A
G
E
FL
O
O
R
25'
GA
R
A
G
E
FL
O
O
R
08/01/2025 Updated per city comments
THE FRONT OF THE PAD AND HOLD DOWN IS 1' FOR THE
WHOLE PAD.
Seed Mix
WD
STR
SB
Sod
Date: 9/3/2025
For Review
August 29, 2025
08/29/2025 Pond A relocated, address city comments
WETLANDBUFFER
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C.S.A.H. No. 42
R
O
L
L
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N
G
O
A
K
S
C
I
R
N
E
BLUEBIRD
TRAIL NE
65.00
70.00
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R = 2 0 0.0 0
<<
SE
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MAI
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6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
Preliminary Plat
Cover
SHEET 1 of 9
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
0 50 100 150
Legend
Existing Contour
Proposed Contour
Centerline
Curb
Right of Way
Lot Line
Building Pad
Pad Type Label
Pad Grade Label
Wetland Preserved
Wetland Impacts
Other Watercourse
Property Boundary
Retaining Wall & Fence
Silt Fence
NO SCALE
LOCATION MAP
SECTION 26, TWP. 115, RGE. 22
S
W
1
/
4
N
W
1
/
4
S
E
1
/
4
N
E
1
/
4
CARRIAGE HILLS PARKWAY NE
EA
G
L
E
C
R
E
E
K
A
V
E
N
E
SITE
LO
W
E
R
P
R
I
O
R
L
A
K
E
C.S.A.H. NO. 42
BL
U
E
B
I
R
D
RO
L
L
I
N
G
O
A
K
S
CI
R
N
E
TR
A
I
L
N
E
PI
K
E
L
A
K
E
T
R
A
I
L
N
E
911
R
STONE PATH
Site Data
PID: 259260050
Address: 4730 140TH ST NE
Zoning: P.U.D.
Area: 5.37 acres
DEVELOPER
KJ Walk, Inc.Luke Israelson
6001 Egan Drive, Ste 100 952.826.9068
Savage, MN 55378
ENGINEER
KJ Walk, Inc.Luke Israelson
6001 Egan Drive, Ste 100 952.826.9068
Savage, MN 55378
CITY
City of Prior Lake
4646 Dakota St SE
Prior Lake, MN 55372
Electric
Gas
Communitcations
SHEET INDEX 1 - Cover 2 - Preliminary Plat and Grading 3 - SWPPP 4 - Preliminary Sanitary Sewer and Watermain 5 - Preliminary Storm Sewer 6 - Preliminary Streets 7 - Tree Preservation Plan8-9 - Details
Original06/27/2024
Updated per city comments07/30/2024
03/07/2025 Updated per city comments
06/04/2025 Updated per city comments
08/01/2025 Updated per city comments
Date: 9/3/2025
For Review
August 29, 2025
08/29/2025 Pond A relocated, address city comments
TEMPORY
STOCKPILE
AREA
<<
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C.S.A.H. No. 42
R
O
L
L
I
N
G
O
A
K
S
C
I
R
N
E
BLUEBIRD
TRAIL NE
65.00
70.00
<<
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<<
<<
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20'X 50' ROCK
CONSTRUCTION ENTRANCE
2.8
%
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|
|
|
|
|
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WETLAND
NWL=877.50(DRY)
10yr HWL=880.00
100yr HWL=884.15
POND B
BOTTOM=897.00(DRY)
10yr HWL=900.76
100yr HWL=901.84
7
2
70.00
70.00
70.00 70.00
65.00
OUTLOT A
Wet
89
2
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4
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902
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WOLFE=901.5LOE=901.5
SE/WOLFE=904.0
LOE=904.0
RLFE=900.0
LOE=909.0
WOLFE=899.5LOE=899.5
901.2
(DROP) 900.2
R
LFE=892.7
LOE=901.7
903.5
907
RLFE=901.5
LOE=910.5
R
LFE=902.0LOE=911.0
RLFE=901.0LOE=910.0
RLFE=896.9
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904.9
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<<
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E
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EOF
EOF
E
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01.55
03.5
LP04.3
EOF
85.3
R = 500.00
R = 2 5 0 .0 0
R = 2 0 0.0 0
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-
-
1
.
1
%
<-
-
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.
0
%
<<POND A
NWL=887.00(DRY)
10yr HWL=889.05
100yr HWL=889.91
07.5
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SE
LOE=906.1
00.0
2
0
2
0
10 10
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POND C
BOTTOM=897.00(DRY)
10yr HWL=900.81
100yr HWL=902.92
T=04.0B=04.0
T=94.0B=88.0
T=86.0B=85.0
888
890
892
894
898
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
9
0
2
01.0
98.099.0
REMOVE EXISTINGBOULDER WALL
09.0
WO*LFE=887.5
LOE=887.5
896
887
886
899
908
67.50
890888
<<
<<
<<<<<<<<
T=84.5B=81.5 T=84.5B=81.5
T=86.0B=82.0
898
1
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900
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T=96.0B=91.0
900
LOLOE=886.1
06.5
1 <<
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25
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WETLANDBUFFER
WETLANDBUFFER
WETLAND
BUFFERConservation Easement Area
W e t l a n d la
n
d
6
1
2
1
5
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4
3
2
3
C.S.A.H. No. 42
R
O
L
L
I
N
G
O
A
K
S
C
I
R
N
E
BLUEBIRD
TRAIL NE
65.00
70.00
30
25
30
25
BLUEBIR
D
T
R
A
I
L
N
E
7
2
70.00
70.00
70.00 70.00
65.00
OUTLOT A
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WETLANDBUFFER15' MIN.
WETLANDBUFFER15' MIN.
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12.59
N
6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
Preliminary Plat &
Preliminary Grading
SHEET 2 of 9
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
0 50 100 150
Legend
Existing Contour
Proposed Contour
Centerline
Curb
Right of Way
Lot Line
Building Pad
Wetland Preserved
Wetland Impacts
Other Watercourse
Property Boundary
Retaining Wall & Fence
Wetland Buffer Sign
Silt Fence
Inlet Protector
Rock Construction Ent.
LOT AREAS
Block Lot Area (sf)
1 1 8483
2 1 8439
2 2 8604
2 3 11160
3 1 9937
3 2 11755
3 3 12997
3 4 14159
3 5 15777
3 6 21854
3 7 28708
OUTLOT A 47028
ROW Bluebird Trl 27336
ROW CSAH No. 42 7474
TOTAL 233712
5'
7.5'
10'
30'
25'
10'ROW
TYPICAL SINGLE FAMILY LOT
SETBACKS AND EASEMENTS
ROW
20'
HO
U
S
E
S
E
T
B
A
C
K
GA
R
A
G
E
S
E
T
B
A
C
K
20'
10'
10'
30'
25'
10'20'
HO
U
S
E
S
E
T
B
A
C
K
GA
R
A
G
E
S
E
T
B
A
C
K
ROW
5'
7.5'
5'
7.5'
PRELIMINARY PLAT PRELIMINARY
GRADING
Original06/27/2024
WETLAND AREA
TOTAL AREA 13,695 SQ FT
PRESERVED AREA 13,083 SQ FT
IMPACTED AREA 612 SQ FT
REQ'D BUFFER (30' AVG)20,410 SQ FT
PROP BUFFER (15' MIN)33,945 SQ FT
LOT DENSITY CALCULATION
Description Area (sf)
Site Boundary 233712
- ROW C.S.A.H. No. 42 7474
- Outlot A 47028
= Net Development 179210
11 Units
Net Density (units/acre)2.67
Updated per city comments
*REMOVE ALL EXISTING STRUCTURES*
07/30/2024
R (PAD TYPE)
LFE (LOW FLOOR)
LOE (LOW OPENING)
GFE (GAR FLOOR)
REAR GRADE
TYPICAL PAD ELEVATIONS
NOTE:
Perimeter and downstream
sediment control BMPs shall
be installed by the contractor
and inspected by the City
prior to any site work.
Slopes greater than or equal
to 3:1 shall have approved
erosion control BMPs
installed immediately after
grading has finished.
03/07/2025 Updated per city comments
06/04/2025 Updated per city comments
HOUSE PAD CROSS-SECTIONS
NO SCALE
25'
FI
R
S
T
FL
O
O
R
HOUSE PAD
HOUSE PAD
1'
BASEMENT FLOOR
0.5' TOPSOIL
GRADE
FINAL
10
'
0.
5
'
25'
25'
P
60'
55'
L L
P
L
P
RAMBLER (R)
FR
O
N
T
RE
A
R
FR
O
N
T
RE
A
R
L
P
WALKOUT (WO)
9'
1.
5
'
0.5' TOPSOIL
0.5' TOPSOIL
0.5' TOPSOIL
BASEMENT FLOOR
FI
R
S
T
FL
O
O
R
FINAL
GRADE
SPLIT ENTRY WALKOUT (SE/WO)
HOUSE PAD
25'
6'
60'
L
P
L
P
FR
O
N
T
RE
A
R
FL
O
O
R
FI
R
S
T
9'
0.5' TOPSOIL
0.5' TOPSOIL
GRADE
FINAL
0.
5
'
LOT PAD SUB GRADE HELD DOWN BELOW FINISHED GRADE
WO: FRONT=3.0' / REAR=1.0'
SE/WO: FRONT=2.0' / REAR=1.0'
R: FRONT=2.0' / REAR=2.0'
*LOT 1 BLOCK 1 IS 50' DEEP, GRADE DROPS STARTING AT
GA
R
A
G
E
FL
O
O
R
BASEMENT FLOOR
GA
R
A
G
E
FL
O
O
R
25'
GA
R
A
G
E
FL
O
O
R
08/01/2025 Updated per city comments
THE FRONT OF THE PAD AND HOLD DOWN IS 1' FOR THE
WHOLE PAD.
Seed Mix
WD
STR
SB
Sod
Date: 9/3/2025
For Review
August 29, 2025
08/29/2025 Pond A relocated, address city comments
6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
SWPPP
SHEET 3 of 9
Date: 9/3/2025
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
GENERAL PROJECT INFORMATION:
RESPONSIBLE PARTIES:
The Contractor and Owner must apply for coverage under the MPCA's General Storm Water Permit for
Construction Activity as required by the National Pollutant Discharge Elimination System (NPDES) Phase II
program. Coverage under the permit will begin automatically 7 calendar days after the postmarked date
on the permit application. [Longer time frames apply to sites that: (1) disturb areas greater than 50
acres AND discharge within 1 mile of a Special or Impaired Water; or (2) Use alternative storm water
treatment techniques].
Owner: KJ Walk, Inc. Luke Israelson
Contact Person Phone
SWPPP Preparer: KJ Walk, Inc. Luke Israelson
Contact Person Phone
Contractor: KJ Walk, Inc. Luke Israelson
Contact Person Phone
Person Responsible
For Inspections: KJ Walk, Inc. Steven Gisch / Rubens DeMello
Contact Person Phone
Party Responsible for
Long Term O&M of
Permanent Storm Water
Management Facility: City of Prior Lake <952.447.9800>
PROJECT LOCATION:
County, State
Scott, MN
PROJECT DESCRIPTION:
This project includes disturbance of approximately 4 acres. Construction activities include tree clearing,
Soils on the site are primarily of Hydrologic Soil Group Type D, with low infiltration capacity.
Planned Construction Start Date:
Estimated Construction Completion Date:
PROJECT AREAS:
Total Project Size (disturbed area) =
Existing area of impervious surface =
Post construction area of impervious surface =
Total new impervious surface area created =
STORM WATER MANAGEMENT:
Type of storm water management used if more than 1 acre of new impervious surface is created:
Wet sedimentation basin
Infiltration
Filtration
Required Water Quality Volume:
Design Water Quality Volume:
Elevation of Water Quality Volume Storage:
Surface Area at Water Quality Volume Storage:
Allowable Discharge of Water Quality Volume:
Designed Discharge for Water Quality Volume:
Required Infiltration Volume:
Designed Infiltration Volume:
Township Range
Regional pond
Permanent storm water
management not required
Section(s) Latitude
Alternative methods
<952.222.4419>
Longitude
RECEIVING WATERS:
Surface waters which will receive storm water from the site within 1 mile of project boundary. Include
waters shown on USGS 7.5 minute quad and all waters identified in Appendix A of the permit.
Name of Water Body
Impairment:
CONSTRUCTION ACTIVITY NOTES:
EROSION PREVENTION PRACTICES:
Phased construction will be used to extent practical or as indicated in the plans to minimize exposed soils.
Areas not to be disturbed shall be delineated with flags, stakes, signs, silt fence, etc. prior to work
beginning. The normal wetted perimeter of all ditches or swales, including storm water management pond
slopes, that drain waters from the site must be stabilized within 200' of any property edge or discharge
point, including storm sewer inlets, within 24 hours of connection.
Energy dissipation or other outlet treatment must be installed within 24 hours of connection.
All exposed soils must be stabilized as soon as possible but in no case later than 7 days after the
construction activity has temporarily or permanently ceased.
Seed and/or sod, fertilizer, and mulch shall be placed as indicated in the plans and project specifications.
Rapid stabilization shall be of type and quantity indicated in the project specifications. Additional
rapid stabilization may be necessary to minimize erosion throughout the duration of the project. Type
and quantity shall be determined by the engineer or inspector prior to installation.
If the Contractor stockpiles material on site, he shall install the appropriate erosion control devices
around the stockpile and perform the best management practices possible to avoid erosion from the
stockpile.
Temporary (or permanent) sedimentation ponds are required for areas > 10 acres of disturbed soils
draining to one point.
SEDIMENT CONTROL PRACTICES:
Installation of silt fence and all other down gradient sediment protection measures shall be completed
prior to commencement of upstream land disturbing activities.
Silt fence shall be installed along constant contours with continuous lengths not to exceed 600 feet.
As indicated on plans, silt fence will be periodically broken and hooked upslope in "J-hook" or "smile"
patterns to provide ponding and slow runoff.
No unbroken slope lengths greater than 75 feet are permitted when slope is 3:1 or greater. Slope shall
be broken with silt fence or biorolls as indicated on plans.
Vehicle tracking to be minimized to all practical extents. All eroded material that leaves the construction
zone shall be collected by the contractor and returned to the site at the contractor's expense.
All stock piles shall be surrounded by silt fence and seeded with temporary seed and mulch. See erosion
and sediment control plans.
All site storm sewer inlets, as well as off site downstream inlets with potential to receive sediment, shall
be protected with approved inlet protection measures at all times. Inlets shall remain protected until
site is 100% stabilized and vegetation is at least 70% established. Inlet protection may be removed in
winter, if the project has an approval letter from jurisdictional authority or can produce it within 72 hours.
TEMPORARY SEDIMENTATION BASINS & DEWATERING:
Temporary sedimentation basins are required prior to runoff leaving the construction site or entering surface
waters when 10 or more acres of disturbed soils drain to a common location. The basin must provide
3,600 cubic feet of storage below the outlet per acre drained. If hydraulic calculations are available, the
temporary sedimentation basin must provide a storage volume equivalent to the 2-year, 24-hour storm,
but in no case less than 1800 cubic feet per acre drained. The temporary sedimentation basin must be
constructed and made operational concurrent with the start of soil distrubance upgradient of the pond.
BMP
Type (ditch,
pond, wetland,
lake, etc.)
Appendix A
Special Water?
Flows to
Impaired Water
within 1 mile?
QUANTITY
USEPA
Approved
TMDL?
All dewatering on site during construction must be routed to temporary sedimentation basins.
Temporary sedimentation basins must be drained within 48 hours of any rainfall event. If the rock
filtered outlets plug or cause the pond not to drain within 48 hours, ponds are to be drained with pumps.
Pump inlets should be protected with a geotextile membrane and rock filter setup as shown in the details,
or an approved alternative. Excessive sediment-laden water that is not properly filtered will not be
permitted to discharge from site.
Dewatering practices cannot cause downstream nuisance conditions, erosion, or non-permitted wetland
inundation causing adverse impacts.
POLLUTION PREVENTION:
All solid waste collected from the construction site must be disposed of in accordance with MPCA disposal
requirements.
Concrete washout must be contained in a dedicated area surrounded by silt fence with proper signage
All hazardous materials (e.g., oil, gasoline, fuel, antifreeze, paint, cleaning solvents, curing compounds,
fertilizers, etc.) must be properly stored (including secondary containment when necessary) to prevent spills,
leaks, or other discharge. Storage and disposal of hazardous waste must be in compliance with MPCA
regulations.
External washing areas must be limited to a defined area of the site. All runoff containing any hazardous
material must be properly collected and disposed of. Defined area must be contained with heavy- or
super-duty silt fence. NO ENGINE DEGREASING ALLOWED ON SITE.
The contractor is responsible for monitoring air pollution and ensuring it does not exceed levels set by
local, state, or federal regulations. This includes dust created by work being performed on the site. Air
pollution and dust control correction is considered incidental to the unit bid prices for which work is
being performed. Additional dust control measures may be required by the Engineer.
INSPECTION & MAINTENANCE:
The permittees must routinely inspect the construction site once every seven (7) days during active
construction and within 24 hours of a rainfall event greater than 0.5 inches in a 24 hour period.
All inspections performed during construction must be recorded and records retained on site with the
SWPPP in accordance with the storm water permit. Records must include a site map showing areas of
land disturbing activities and areas where activities have temporarily or permanently ceased.
Silt fence, biorolls and inlet protection devices must be maintained when non-functional or when
accumulated sediment reaches 1/3 of device height.
Off site vehicle tracking to be removed within 24 hours of occurrence and the streets must be cleared
All non-functional BMPs must be repaired, replaced, or supplemented with functional BMPs within 24 hours
of discovery, or as soon as field conditions allow access.
FINAL STABILIZATION:
The permittees must submit a Notice of Termination (N.O.T.) within 30 days of final stabilization or
transferring permit responsibility to another owner or operator.
The Contractor must ensure final stabilization of the site. Final stabilization shall include a minimum of
70% vegetation establishment (100% stabilized) on all pervious areas.
All temporary erosion control measures and BMPs must be removed as part of the final site stabilization,
unless directed otherwise by owner or engineer.
IMPLEMENTATION SCHEDULE & PHASING:
1) Install silt fence and inlet protectors for existing CBs
2) Install rock construction entrances
RECORD RETENTION:
The SWPPP, all changes to it, and inspections and maintenance records must be kept at the site during
construction. All owner(s) must retain the following for 3 years after submittal of NOT:
1) SWPPP;
2) Any other permits required for the project;
3) Inspection and maintenance logs;
4) All permanent operation and maintenance agreements for surface water facilities;
5) All design calculations for temporary and permanent storm water management.
PLAN SHEETS:
Sheet number 2 of this plan set is also considered a part of the SWPPP for this project.
SWPPP (STORM WATER POLLUTION PREVENTION PLAN)
Prior Lake(115)22 26
Silt Fence 2770 LF
grading, utilty construction, street construction and site stabilization.
Pike Lake Lake No Yes Nutrients
of debris at the end of each day.
Rock Constrution Entrance
1 Each
MNDOT Southern Boulevard (SB) 160 LBS/ACRE
0.18 ACRES
Contact Person Phone
3) Mass grading and retaining walls
4) Install storm sewer within Wetland Buffer areas
8) Install streets
INLET PROTECTORS
13 EACH
9) Install small utilities
10) Final stabilization
11) Maintenance / cleaning of ponds (if needed)
7) Install sanitary sewer, water main, and storm sewer utilities
Original06/27/2024
0.108 ACRE FT
0.167 ACRE FT
N/A
Updated per city comments
10/01/2025
09/31/2026
3.82 AC
0.24 AC
1.29 AC
1.05 AC
Nutrients
07/30/2024N/A
N/A
N/A
MNDOT Wet Ditch (WD) 20 LBS/ACRE
0.28 ACRES
MNDOT Southern Tallgrass Roadside (STR) 26 LBS/ACRE
0.48 ACRES
03/07/2025 Updated per city comments
N/A
N/A
MAP OF RECEIVING WATERS:
<952.222.4419>
<952.222.4419>
<952.222.4419>
06/04/2025 Updated per city comments
For Review
August 29, 2025
08/01/2025 Updated per city comments
SWPPP TRAINING:
Luke Israelson - U of M Design of Construction SWPPP - Valid through May 2024
Steven Gisch - U of M Construction Installer - Valid through May 2028
Rubens DeMello - U of M Construction Installer - Valid through May 2028
08/29/2025 Pond A relocated, address city comments
PERMANENT RESTORATION:
Permanent Restoration is to take place as soon as possible and the appropriate seed mixes should be used
within the Wetland buffers / Conservation Easement to provide final stabilization to avoid native mixes being
outperformed by faster growing plant varieties typically used in erosion control mixes. The seed varieties to
use shall be as follows:
Bottom of biofiltration basins - MNDOT Wet Ditch (WD) 20 LBS/ACRE
Slopes of biofiltration basins - MNDOT Southern Tallgrass Roadside (STR) 26 LBS/ACRE
Buffer area within 30' of a wetland - MNDOT Southern Tallgrass Roadside (STR) 26 LBS/ACRE
Buffer area greater than 30' from a wetland - MNDOT Southern Boulevard (SB) 160 LBS/ACRE
MNDOT seed mix application areas are shown on Sheet 2
Any disturbed soils within the Wetland Buffer / Conservation Easement with a slope exceeding 10:1 shall be
blanketed with a natural net blanket.
Disturbed areas within the yards of existing homes to the west are to be sodded when complete.
All other disturbed areas to be stabilized with Erosion Control Mix at 150 LBS/ACRE and straw munch or
natural netting blanket on slopes greater than 5:1
Sod
4800 SF
Erosion Crontrol Mix 150 LBS/ACRE
2.42 ACRES
5) Final seed/stabilize within Wetland Buffer areas
6) Temporary seed/stabilize all disturbed areas outside Wetland Buffer and utilities work area
12) Transfer lots to builders at closing.
<<
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3+00 4+00
5+00
6+00
6+46.
3
02OUTLOT A
<<
<<
<<
<<
<<
<<
<<
<<
<<
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2
0
2
0
10 10
25
10 10
25
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R
U
C
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I
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A
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M
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T
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<<
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<<
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<
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1
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1 <
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25
TE
M
P
O
R
A
R
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C
O
N
S
T
R
U
C
T
I
O
N
E
A
S
E
M
E
N
T
25
Rim = 906.40
SANITARY SEWER AND WATERMAIN
875
880
885
890
895
900
905
910
915
920
875
880
885
890
895
900
905
910
915
920
0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00
Rim = 884.70
270' - 8"
S
D
R
3
5
P
V
C
@
4
.
2
8
%
EXISTING
150' - 8" SD
R
3
5
P
V
C
@
3
.
4
7
%
Rim = 906.00
78' - 8" SD
R
3
5
P
V
C
@
3
.
4
7
%
Inv = 880.85
114' - 8" SDR 35 PVC @ 0.53%
Inv = 894.40 Inv = 895.00
MH
2
12
.
0
0
B
U
I
L
D
Inv = 872.96
MH
3
11
.
0
0
B
U
I
L
D
MH
1
15
.
7
5
B
U
I
L
D
EX
-
M
H
1
11
.
7
4
B
U
I
L
D
8"x6" TEE
(HYD)
CONNECT TO EXISTING
8" WATERMAIN
(8" TEE & SLEEVE)8" GATE VALVE
CONNECT TO EXISTING8" WATERMAIN
8" GATE VALVE
PROPOSED GRADE
EXISTING GRADE
8.0' MIN. COVER80.0000
8.0' MIN. COVER80.0000
Rim = 896.60
712'-8" C
9
0
0
P
V
C
15" RCP
INV= 888.80
36" RCPINV= 897.80
MAINTAIN 18" SEPARATION INSULATE WHEN
THE SEPARATION BETWEEN THE STORM
SEWER AND WATER IS LESS THAN 36"
15" RCP
INV= 900.32
CONNECT TO EXISTING 8" PVC STUBASBUILT INVERT ELEVATION=878.27
VERIFY INVERT ELEVATION IN THE FIELD
INSTALL SERVICE RISERS WHERE COVER OVER
THE TOP OF THE PIPE IS GREATER THAN 12'
HOLD WATERMAIN DOWN
TO MAINTAIN HIGH POINT
AT THE HYDRANT
2.2' RISER
2.3' RISER
3.3' RISER
3.1' RISER
2.4' RISER
0.8' RISER
1.7' RISER Inv = 882.85
15" RCP
INV= 899.17
INSULATE
4" PVC
INV= 894.67
6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
Preliminary
Sanitary Sewer and
Watermain PlanSHEET 4 of 9
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
0 50 100 150
C.S. 894.9
0+36, 40.0' RT
WYE
(1+87)
INV 888.0LLE 892.0
C.S. 898.71+06, 40.0' RTWYE
(0+37)
INV 889.5
LLE 893.5
C.S. 903.2
1+88, 40.0' RT
WYE
(1+08)INV 894.0LLE 898.0
C.S. 906.72+64, 40.0' RTWYE
(1+81)
INV 898.0LLE 902.0
C.S. 908.03+26, 40.0' RTWYE
(2+53)INV 899.0
LLE 903.0
C.S. 907.5
4+05, 40.0' RT
WYE
(0+55)INV 899.0LLE 903.0
C.S. 895.00+62, 35.0' LTWYE
(2+15)
INV 883.5
LLE 887.5
C.S. 907.53+16, 35.0' LTWYE
(2+36)
INV 895.5LLE 899.5
C.S. 906.25+03, 35.0' LTWYE
(1+07)
INV 900.0LLE 904.0
N
Original06/27/2024
C.S. 905.74+62, 40.0' RTWYE
(1+04)INV 898.0
LLE 902.0
C.S. 908.84+26, 35.0' LTWYE
(0+74)
INV 897.5
LLE 901.5
Updated per city comments
Water main to be installed in strict
accordance with the most current
edition of the CEAM specifications.
CONNECT TO EXISTING 8" WM
8" GATE VALVE
8"x6" TEE
6" GV&BOXFIRE HYDRANTSTA=3+75, 21'RT
TNH=910.04
8" 22.5° BEND
STA=3+45, 10'LT
8" 22.5° BENDSTA=4+66, 9'LT
CONNECT TO EXISTING 8" WM8" TEE AND SLEEVE
8" GATE VALVE
8" 22.5° BENDSTA=0+75, 11'LT
07/30/2024
03/07/2025 Updated per city comments
06/04/2025 Updated per city comments
08/01/2025 Updated per city comments
Date: 9/3/2025
For Review
August 29, 2025
08/29/2025 Pond A relocated, address city comments
<<
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<<
<
<
<<
<<
W e t l a n d la
n
d
>
MH
MH
MH
24
"
S
T
Inv.883.20
Inv.885.04
Inv.
897.13
Inv.
893.18
Control
Structure
18
"
S
T
<<
Top 897.0
<<
<<
Inv. 866.4
>>>>>
Inv. 880.6
MH
Inv. 894.3
Inv. 877.5
Top 886.8
Inv. 891.2
Inv. 880.8
>>>>
Top 904.9
Top 902.7
>>>>>>
GV
>
>
Ex. Hyd.
Inv. 892.6
MH
In
v
.
8
8
4
.
3
10"-S
<<
10"-S
24
"
-
S
T
||||
Top 905.2
>
>
>
>
>
>
10"-S
>>
>>>
>
>
8"
-
S
8"
-
S
8"
-
W
|
10"-S
36
"
-
S
T
<<
<<
10"-S
16"-W
|
8"
-
W
16"-W
|
|
|
|
|
|
|
|
16"-W
|
|||
16"-W
|||
|
|
||||
|
|||
||
<<<<<<
<<<<<<<<
16"-W
16"
-
W
>>>
<<<<
Top 902.0 High
24"-ST
Inv. 898.5
Inv. 896.9 E
30
"
-
S
T
Top 901.2 Low
Inv. 893.5 W
Inv. 900.1
30
"
1
2
"
-
S
T
CB
CB
Inv. 900.2
Inv. 896.9 Sump
1
Inv. 899.9
2
Top 904.1
Top 904.2
Inv. 896.7 Sump
1
3
4
3
2
3
C.S.A.H. No. 42
R
O
L
L
I
N
G
O
A
K
S
C
I
R
N
E
BLUEBIRD
TRAIL NE
<<
<<
<<
<<
<<
<<
<<
<<
<
<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
BLUEBIR
D
T
R
A
I
L
N
E
|
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<
<
<
<
<
<
<
<
<
0+00 1+00
2+00
3+00 4+00
5+00
6+00
6+46.
3
0
<<<<
<<
WETLAND
NWL=877.50(DRY)
10yr HWL=880.00
100yr HWL=884.15
POND B
BOTTOM=897.00(DRY)
10yr HWL=900.76
100yr HWL=901.84
2OUTLOT A
Wet
REMOVE STORM-REUSE OUTLETSTRUCTURE FOR OS2-2
4" DRAINTILEINV=894.67
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<POND A
NWL=887.00(DRY)
10yr HWL=889.05
100yr HWL=889.91
2
0
2
0
10 10
25
10 10
CB1-7 (27")
T = 893.50I = 890.50
25
TE
M
P
O
R
A
R
Y
C
O
N
S
T
R
U
C
T
I
O
N
E
A
S
E
M
E
N
T
POND C
BOTTOM=897.00(DRY)
10yr HWL=900.81
100yr HWL=902.92
OUTLETWEIRWALL
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<
<
<<
<<
<<
<<<<<<
1
<
<
1
CB1-6A (2'x3')
T = 892.84I = 889.84CB1-6 (48")T = 892.32I = 888.96
FE1-4I = 887.50
CB2-8 (27")
T = 906.00I = 903.00
CB2-9 (2'x3')T = 903.42I = 900.42
FE3-1I = 897.56
FE2-4I = 898.00
FE3-2I = 898.00
4" DRAINTILE
INV=884.67
<<
<<
<<
<<
<<
<<
<
<
<<
FE1-1
I = 884.30
FE1-3
I = 887.00
OS1-2 (60")T = 890.00I = 884.00
W = 888.50
25
TE
M
P
O
R
A
R
Y
C
O
N
S
T
R
U
C
T
I
O
N
E
A
S
E
M
E
N
T
6" DRAINTILEINV=894.50
(This Run Only)
25 FE2-3I = 897.00
FE2-1
I = 884.5
OS2-2 (66")T = 901.25I = 892.54
W = 899.00
MH2-1A (48")
T = 893.00I = 884.72
MH2-1B (48")
T = 901.00I = 893.02
CB1-5 (48")
T = 892.32
I = 888.80S = 884.80
CB2-6 (48")
T = 903.50I = 900.00
CB2-7 (48")T = 906.50I = 901.91
CB2-5 (48")T = 903.42I = 898.19S = 894.19
CB
1
-
7
(
2
7
"
)
3.
5
0
B
U
I
L
D
CB
1
-
5
(
4
8
"
)
7.
5
2
B
U
I
L
D
4.
0
S
U
M
P
CB1-7 TO FE1-4
880
885
890
895
900
905
880
885
890
895
900
905
0+001+003+00
Inv =
890.00
Rim =
893.50 Rim =
892.32
18' - 15" CL5 RCP @ 5.88%
214' - 15" CL5 RCP @ 0.61%
FE
1
-
4
Inv =887.50
PROPOSED GRADE
EXISTING GRADE
Inv =
884.808" WATERMAIN
Inv =888.80
31' - 15" CL5 RCP @ 0.50%
Inv =
888.96
Rim =
892.32
CB
1
-
6
(
4
8
"
)
3.
3
6
B
U
I
L
D
2+00
8" SEWER
CB2-8 TO FE2-4
895
900
905
910
895
900
905
910
0+00 1+00 2+00 3+00
CB
2
-
5
(
4
8
"
)
9.
2
3
B
U
I
L
D
4.
0
S
U
M
P
CB
2
-
9
(
2
'
x
3
'
)
3.
0
0
B
U
I
L
D
Inv =
900.42
Inv =894.19
Rim =
903.42
Rim =
903.42
FE
2
-
4
28' - 18" CL5
RCP @ 0.70%
30' - 15" CL5
RCP @ 0.50%
Inv =
898.00
PROPOSED GRADE
EXISTING GRADE
155' - 15" CL5 RCP @ 0.70%
64' - 15" CL5
RCP @ 3.00%
102' - 15" CL5
RCP @ 0.98%
Rim = 903.50
Rim = 906.50
Rim = 906.00
Inv = 903.00
Inv = 901.91
CB
2
-
6
(
4
8
"
)
3.
5
0
B
U
I
L
D
CB
2
-
7
(
4
8
"
)
4.
5
9
B
U
I
L
D
CB
2
-
8
(
2
7
"
)
3.
0
0
B
U
I
L
D
Inv =
898.19
Inv = 900.00
Inv =899.00
8" WATERMAIN
Inv =
900.27
915 915
920 920
FE1-1 TO FE1-3
885
890
885
890
0+00 1+00
FE
1
-
1
FE
1
-
3
PROPOSED GRADEEXISTING GRADE
Rim =
889.25
Inv = 887.00
Inv =884.30
Inv = 886.90
Inv =
884.00
OS
1
-
2
(
6
0
"
)
5.
4
0
B
U
I
L
D
NO
W
E
I
R
14' - 15" CL5 RCP @ 0.72%
26' - 15" CL5 RCP @ 0.78%
TOP OF BANK
= 890.00
895 895
900 900
FE2-1 TO FE2-3
895
900
905
910
895
900
905
910
0+00 1+00
26' - 24" CL3 RCP @ 2.01%
18' - 18" CL5 RCP @ 0.56%
OS
2
-
2
(
6
6
"
)
8.
7
1
B
U
I
L
D
Rim = 901.25
Inv = 892.54Inv =893.02
Inv =896.90Inv = 897.00
Inv = 893.54
EXISTING GRADE PROPOSED GRADE
TOP OF BANK = 902.00
EOF @ 901.55
2+00
890 890
885 885
MH
2
-
1
B
(
4
8
"
)
7.
9
8
B
U
I
L
D
MH
2
-
1
A
(
4
8
"
)
8.
2
8
B
U
I
L
D
FE
2
-
1
Inv =
884.72
Inv =884.50
44' - 24" CL3 RCP @ 0.50%
107' - 24" C
L
3
R
C
P
@
3
.
7
6
%
Rim =901.00
Rim =
893.00
Inv = 889.00
FE to FE
895
900
905
910
895
900
905
910
0+00 1+00
Inv = 898.00Inv =897.56
88' - 36" CL3 RCP @ 0.50%
FE
3
-
2
FE
3
-
1
PROPOSED GRADE
EXISTING GRADE
8" WATERMAININSULATE
10'
VARIES
10'
POND A & B CROSS SECTIONS
N.T.S.
10:110:1
3:13:1
A=EL. 887.00B=EL. 897.00
A=EL. 888.00B=EL. 898.00
A=EL. 884.50B=EL. 894.50
A=EL. 885.00B=EL. 895.00
SAND-COMPOSIT MIX SHALL CONSIST OF A WELL-BLENDED
MIXTURE, BY VOLUME, OF 70% SAND (MNDOT 3149.2J FINE
FILTER AGGREGATE) AND 30% PEAT MOSS
SURFACE TREATMENT INACCORDANCE WITHLANDSCAPE PLAN
SCARIFY BASIN BOTTOM TO A MINIMUM 12"DEPTH PRIOR TO PLACE OF SAND LAYER. LEVEL
BASIN BOTTOM FOLLOWING SCARIFICATIONCOARSE FILTER AGGREGATE
(MNDOT 3149.2H)3" ABOVE AND ON EACH SIDEOF PIPE DRAIN 4" PERFORATED PIPE DRAIN
(MNDOT 3278) (TYP.)
60" OUTLET STRUCTURE DETAIL: OS 1-2
NOT TO SCALE
INV. 886.90
INV. 884.30
INV. 887.00
15"
R
C
P
26'
15" RC
P
14'
@ 0
.
7
8
%
@ 0.72%
4"PVC @
884.50
INV. 884.50
10YR ELEV. 889.05
NWL ELEV. 887.00 (DRY)
RIM ELEV. 889.25
SPLIT GRATE
(SEE PLATE 304)
60" SLANT TOP
RIM ELEV. 890.00
888.50
WEIR WALL
100YR ELEV. 889.91
ELEV=877.50
2'
1'
-
9
"
ELEV=879.25
ELEV=884.20
SQUARE HOLE
OUTLET WEIR WALL DETAIL
8" THICK CAST IN PLACE CONCRETE WEIR WALL
ELEV=874.50
ELEV=873.83
100YR ELEV. 884.15
10YR ELEV. 880.00
NWL ELEV. 877.50 (DRY)
2YR ELEV. 879.05
#4 REBAR TO BE PLACED 24" O.C VERTICAL & 24" O.C. HORIZONTAL
8" FOUNDATION WALLAND8"X16" FOOTING
13'-4"
EX 36" FE
EX 36" RCP
4" CONCRETE SLAB
CAST IN PLACE OUTLET WEIR WALL
EXTEND TO TIE INTO SLOPE
RIPRAP
8"
INSTALL EXPANSION JOINTENTIRE PERIMETER
3'3'
3'
66" OUTLET STRUCTURE DETAIL: OS 2-2
NOT TO SCALE
INV. 896.90
INV. 897.0024"
R
C
P
RIM ELEV. 901.25
SPLIT GRATE
(SEE PLATE 304)
66" SLANT TOP
WEIR WALL
899.00
18" RCP
18'
NWL ELEV. 897.00 (DRY)
@ 2
.
0
1
%
@ 0.56%
6"PVC @
893.60
892.54
INV. 893.54
RELOCATE AND REUSE EXISTING STRUCTURE
10YR ELEV. 900.76
100YR ELEV. 901.84
RIM ELEV. 902.00
N
6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
Preliminary
Storm Sewer Plan
SHEET 5 of 9
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
0 50 100 150
Original06/27/2024
Updated per city comments07/30/2024
*install marking signs at all storm sewer structures
outside of roadway(Plate#103, see sheet 9)*
03/07/2025 Updated per city comments
06/04/2025 Updated per city comments
08/01/2025 Updated per city comments
Date: 9/3/2025
For Review
August 29, 2025
08/29/2025 Pond A relocated, address city comments
<<
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6
24
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Inv.883.20
Inv.885.04
Inv.
897.13
Inv.
893.18
Control
Structure
18
"
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<<
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Inv. 894.3
Top 884.9
Inv. 877.5
Inv. 877.7 E,W,N
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15
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<<<<<<<<<<
15"-ST
Top 902.0 High
24"-ST
Inv. 898.5
Inv. 896.9 E
30
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Top 901.2 Low
Inv. 893.5 W
Inv. 900.1
30
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1
2
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CB
Inv. 900.2
Inv. 896.9 Sump
1
Inv. 899.9
2
Top 904.1
Top 904.2
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3
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C.S.A.H. No. 42
R
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BLUEBIRD
TRAIL NE
<<
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BLUEBIR
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Top 894.0
Inv. 888.0
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Top 899.12
Inv. 889.72
CB
12
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"
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2+00
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7
2OUTLOT A
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
<<
BITUMINOUS REMOVAL
(TEMP. TURN AROUND)
MATCH EXISTING CURBAND SIDEWALK
MATCH EXISTING CURB
INSTALL ADA COMPLIANTPED RAMP
REMOVE AND RESTORE
PAVEMENT AND CURB FORSTREET AND UTILITYCONNECTION
R = 500.00
R = 2 5 0 .0 0
R = 2 0 0.0 0
<<
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10 10
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REMOVE
BOULDERWALL
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MATCH EXISTING
BITUMINOUS
BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
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920
925
EX
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(
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3
4+
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2
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0
150' VC
PVI = 905.00
K = 28STA = 2+00.00
75' VCPVI = 907.37
K = 19
STA = 4+15.00
PV
C
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PROPOSED GRADE
EXISTING GRADE
ST
A
R
T
O
F
C
O
N
S
T
R
U
C
T
I
O
N
35' VC
PVI = 892.00
K = 19
STA = 0+00.00
100' VCPVI = 903.10
K = 17
STA = 5+70.00
BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925 BLUEBIRD TRAIL NE
-1+00 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00
890
895
900
905
910
915
920
925
890
895
900
905
910
915
920
925
N
6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
Preliminary Street
Construction Plan
SHEET 6 of 9
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
0 50 100 150
Original06/27/2024
Updated per city comments07/30/2024
03/07/2025 Updated per city comments
06/04/2025 Updated per city comments
08/01/2025 Updated per city comments
Date: 9/3/2025
For Review
August 29, 2025
08/29/2025 Pond A relocated, address city comments
WETLAND
BUFFER
WETLAND
BUFFER
WETLAND
BUFFERConservation Easement Area
<
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Deck
Keystone Wall
WW
Boulder Wall
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92
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97.83
25
N
6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
Tree Preservation Plan
SHEET 7 of 9
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
0 30 60 90
Legend
Tree Condition Poor
Tree Condition Fair
Tree Condition Good
Saved Tree
Removed Tree#200
#141
Original06/27/2024
Updated per city comments07/30/2024
03/07/2025 Updated per city comments
06/04/2025 Updated per city comments
08/01/2025 Updated per city comments
Date: 9/3/2025
For Review
August 29, 2025
08/29/2025 Pond A relocated, address city comments
6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
SHEET 8 of 9
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
Sanitary, Water and Street
Construction Details
Original06/27/2024
Updated per city comments07/30/2024
03/07/2025 Updated per city comments
06/04/2025 Updated per city comments
08/01/2025 Updated per city comments
Date: 9/3/2025
For Review
August 29, 2025
08/29/2025 Pond A relocated, address city comments
6001 Egan Drive, Ste 100, Savage, MN 55378
Phone: 952.222.4419 Web: www.kjwalk.com
Date:Revision:
SHEET 9 of 9
FILE PATH: D:\Google Drive\Work Files\Prior Lake\Stone Path\Engineering\CAD\DWGs\Stone Path revised 2.dwg
I hereby certify that this plan was prepared by me,
or under my direct supervision, and that I am a
duly registered engineer under the laws of the
State of Minnesota.
Luke Warren Israelson
Registration #: 51362
STONE PATH
PRIOR LAKE, MN
Storm Sewer and Erosion
Construction Details
Original06/27/2024
Updated per city comments07/30/2024
Retaining Wall Details
03/07/2025 Updated per city comments
3. BIO-NETTING OR NATURAL
NETTING ONLY
06/04/2025 Updated per city comments
08/01/2025 Updated per city comments
Date: 9/3/2025
For Review
August 29, 2025
08/29/2025 Pond A relocated, address city comments
[Phone] 952-447-9800 | [Fax] 952-447-4245 | cityofpriorlake.com
4646 Dakota Street SE
Prior Lake, MN 55372
Memorandum
To: Luke Israelson, KJ Walk
Patrick Fry, KJ Walk
Warren Israelson, KJ Walk
From: Luke Schwarz, Assistant City Engineer
Stephanie Thulien, Water Resource Engineer
Laura Pietila, Project Engineer
Kris Keller, Project Engineer
Paul Moretto, Planner
Date: September 16, 2025
Re: Stone Path – Preliminary Plat Engineering Review
We have reviewed the preliminary plat documents submitted for the Stone Path development at 4730
140th St NE. The following documents were reviewed:
• Civil Plan Set – Stone Path Plans 20250829.pdf
• Drainage Report – SP Stormwater Report 20250827.pdf
Comments are provided within this Memorandum and in the corresponding redlined plan set. Please
note that not all comments within the plan set are in the Memorandum. We have the following
comments with regards to stormwater management and engineering. Greyed out comments have been
addressed.
General
1. Submit for and provide copies to the City of all required permits from regulatory agencies
(MCES, Minnesota Pollution Control Agency, Minnesota Department of Health, NPDES, etc.)
2. An NPDES permit is required for this site as it exceeds 1 acre of disturbance.
3. Additional comments may be generated by PLSLWD’s review of the revised plans
4. Additional redline comments are provided in the accompanying plan set. Provide a response to
all comments in this memo and the redlined plan set.
Grading Plan
1. Divert common drainage down property lines.
2. Call out roadway high point
3. Clarify drainage on the west side of Lot 1 Block 2
a. Provide additional proposed and existing spot elevations as well as flow arrows on Lot 1
and the existing lot to the west to ensure water flows down the lot line.
4. Step Lot 2 Block 1 down between Lots 1 & 3 (1.0’) so the transition between 1 & 2 (1.5’) is not as
severe (2.5’)
5. Raise the Lot 7 Block 2 FFE and EOF 0.5’ to get the EOF route to the street
a. Reroute storm sewer CB to street
b. Eliminates Lot 7 Block 2 driveway culvert
c. Maintain maximum 4:1 slopes between lots
6. Provide additional easement on Lots 6 & 7 Block 2 for drainage from one lot to another
a. Direct water on the east side of Lot 7 Block 2 to the north away from the building pad
7. Divert common drainage down Block 2 property lines
8. Show all proposed retaining walls. Retaining walls exceeding 4’ in height shall require a plan
prepared by a licensed engineer submitted for review and approval by the building official prior
to permit issuance. Provide top and bottom of wall elevations. Provide a fence for walls greater
than 4’. The retaining wall for Lot 1 Block 1 shall be out of the wetland buffer area and drainage
and utility easements.
a. Provide additional details for the retaining wall west of Lot 1 Block 2.
b. Keep retaining wall completely on Lot 1 Block 2
c. Coordinate permanent transitional grading on adjacent existing lot
d. Provide future ownership and maintenance of all retaining walls (if applicable).
9. Revise the HWLs to match the HydroCAD model.
10. Identify wetland buffer
11. Specify access routes to and along the ponds from the roads that meet slope and width
requirements, are within drainage and utility easements, and are outside of the wetland buffer.
a. The slope and width requirements are a maximum grade of 8%, maximum cross slope of
2%, and a minimum width of 10’.
12. Show house style detail drawing.
13. A minimum of 10 feet beyond the house pad shall have a slope less than 10:1 unless otherwise
approved by the City Engineer.
a. Review and revise the grades adjacent to Block 1 Lot 1 as the retaining wall and steep
slopes are within 10-feet of the proposed home.
Utilities
1. Storm Sewer
a. Change CB1-5 to a 4’ deep sump.
b. Pipe class shall conform to design standards as shown in the American Concrete Pipe
Association LRFD Fill Height Tables. Review the pipe class for the following pipe:
i. OS2-2 to FE2-1
c. Add the MnDOT standard rip rap detail to the plans.
d. Provide an inlet capacity analysis. The catch basins on the roadway should not receive
more than 3 cfs in the 10-year event.
e. Insulate when the separation between the storm sewer and water is less than 36"
f. The discharge velocity into Pond A and Pond B exceeds 6 fps. Modify the slopes of the
incoming pipes to reduce the velocity below 6 fps.
g. Please provide calculations for the sizing of the pipe from FES3-2 to FES3-1.
h. Match the flared end section elevations to the pond outlet elevation.
2. Sanitary Sewer
a. Show assumed service riser lengths
b. Reverse flow direction of existing sanitary sewer main
3. Water
a. Coordinate the watermain connection to Rolling Oaks Trail with City staff.
i. Provide a proposed traffic control plan to City for review.
ii. Staff will need to provide notification to residents 48 hours prior to
construction.
b. Maintain minimum 10’ horizontal separation from sewer
c. Maintain minimum 18” vertical separation from storm sewer with water services
i. Insulate when the separation between the storm sewer and water service is less
than 36"
Streets/Trails
1. Verify size of vertical curves meet minimum City requirements
a. Provide stop ahead or reduced speed signs as required.
b. Minimum sag value is 36.
2. At intersections, the street grade shall not exceed 2.00% for the first 100’ approaching said
intersection. The 100’ is measured from the curb line of the intersected street.
a. In cul-de-sacs, the gutter grade shall not be less than 0.80%.
Stormwater Management
1. Rate Control
a. This site is in Prior Lake’s Stormwater Management Overlay District #1. Rate control for
the 2 and 10-year events cannot increase from the existing runoff while the peak runoff
for the 100-year event must be held to 0.25 cfs per acre.
i. Please provide calculations or list of HydroCAD nodes for how it was determined
that 37.68 cfs of existing offsite flow pass through the site in the SWMP. We
were not able to reproduce that number.
ii. Please provide a figure showing the 4.64 acres subjected to restricted rate
control. Ensure it includes the entire developed area.
iii. The west and north discharge points go in different directions and should not be
lumped together. Rates to the west are met. Proposed rates to the north (38.9
cfs) exceed the allowable (38.7 cfs).
b. Maintain the approved discharge rate from Rolling Oaks Circle BMP with the removal of
the basin.
i. How is the discharge rate from Rolling Oaks Circle BMP being maintained?
Detail in the SWMP.
c. The wetland is used for rate control. Provide bounce and inundation analyses for the
wetlands based on their management class.
i. Show that the wetland meets the stormwater treatment and hydrologic
guidelines of Table 1.1, MnRam Version 3.0.
1. Please add the analysis of Table 1.1 to the SWMP.
2. Volume Control
a. Provide an analysis of the existing treatment provided by the Rolling Oaks Circle BMP
and how that treatment volume is maintained in proposed conditions, treating both the
existing road and proposed homes.
i. We understand that the focus is on treating site water. However, the existing
BMP off Rolling Oaks Circle was designed in 2017 to treat the roadway
impervious. Ensure that the treatment removed will be replaced in Pond B.
3. Low Floor/Low Openings
a. Low opening elevations shall be at least 2’ above the emergency overflow (EOF).
i. Lot 4 Block 1 has a low opening of 903.5’, EOF of Pond B is 901.55’.
1. Call out Lot 4 Block 1 as a WO/LO with a REQUIRED elevation on the
northeast rear corner of minimum 903.55 to meet the requirement with
the EOF of the pond.
b. Low floor shall be at least 2’ above the HWL.
i. Lot 4 Block 1 has a low floor of 903.5’. The HWL of Pond B is 901.81’.
c. Ensure that the newly created low point in the southwest corner of Rolling Oaks Circle
and Bluebird Trail does not have a high water level that will impact the adjacent homes.
d. Please add the low floor and low openings of the existing home west of Pond A to the
plans and ensure freeboard is met.
i. The LO of the existing home is at 886.1 ft and the HWL of the wetland is at
884.15. Please provide 2-feet of freeboard between the low floor and the 100-
year HWL of the existing home.
4. Water Quality
a. Include snips of the MIDS inputs or provide the MIDS models so the devices can be
reviewed. Provide justification for use of street sweeping.
i. Update surface area at overflow in MIDS for Pond A to match the HydroCAD
model (or vise versa, whichever is correct with the grading plan).
ii. Update the inputs for Pond B to match the latest plans.
iii. Remove street sweeping from the MIDS model.
iv. Provide a reference to where the sump structure removal percentages were
obtained in the SWMP (utilize calculations for these specific sumps, not
percentages from past projects).
5. Basin Design
a. The HWL is not contained within Pond A. Rules state that the EOF of a basin should be 1
foot higher than the HWL.
b. The HWL is not contained within Pond B. Rules state that the EOF of a basin should be 1
foot higher than the HWL.
c. Add a 48 hour drawdown analysis to the drainage report for the biofiltration basin.
d. Add details for OCS 1 and OCS 2 that show the weir wall.
e. Pond berm design requirements are not met.
i. The top of the berm shall be 2 feet above the 100-year HWL.
ii. The berms should have a maximum of 4:1 side slopes.
iii. The top of the berm shall be at least 10’ wide at the top.
f. The bottom of Pond C is covered with rip rap. How will it function as a biofiltration basin
as stated in the plans and model?
6. Hydraulic/Hydrologic Analysis
a. Include all offsite drainage for the purpose of determining the high water level in Pond B
and the wetland.
i. Offsite drainage is missing west of the wetland, north of Blue Bird Trail.
b. The storage modeled in HydroCAD for Pond B is about half of what is available per the
grading plan.
c. Expand the drainage area extents or include secondary figures that show the entire
drainage area to the site.
d. The modeled outlet pipe slopes for Basin A and Basin B do not match the plans.
SWPPP
1. Include documentation of training in the SWPPP.
2. Add erosion control symbology to the legend.
a. In addition to silt fence and inlet protection, add the rock construction entrance to the
legend.
3. Show perimeter control around Pond A and Pond B to protect the filtration area.
4. Show inlet protection on all catch basins on and adjacent to the project site.
5. Include a permanent restoration plan.
a. What seed types will be used to stabilize? Ensure an adequate mix is used within the
wetland buffer area.
i. MnDOT Southern Boulevard seed mix is not a native mix. Please do not use in
the wetland buffer area.
6. Indicate the soil stockpile area if applicable.
7. Include a map of all surface waters, existing wetlands, and stormwater basins which can be
identified on a map within a 1 mile aerial radius that will receive stormwater from the
construction site. Identify if the surface water is a special or impaired waterbody.
Wetland
1. A wetland delineation has been completed and was approved by the City (NOD March 1, 2024).
Plans must be updated to reflect approved boundaries.
2. Based on locations of approved wetlands, permanent impacts will occur as a result of
construction. A wetland permit through the WCA must be obtained prior to construction.
3. Impacts to the tributary (non-wetlands) may require a Section 404 permit through US Army
Corps of Engineers.
4. Show on the plans wetland and watercourse buffers that comply with Rule J of the PLSLWD
rules. Include measurements of minimum and average buffer widths.
5. Disturbed areas within the buffer should be revegetated with a native, weed-free, seed mix.
Tree Preservation & Replacement / Landscaping
1. Tree replacement plan to be submitted to meet City Code requirements.
2. Developer is encouraged to meet with property owner at 14030 Rolling Oaks Cir. NE to
determine if additional screening or plantings are desired by the property owner. Placement of
trees and screening at 14030 Rolling Oaks Cir. will count toward the required tree replacement
for Stone Path.
Easements
1. Conservation easement required with Prior Lake – Spring Lake Watershed District.
2. Retaining wall easement(s) required for retaining walls on private property.
3. Easements required for public infrastructure on Lot 8, Block 1, Eagle Creek Ridges Acres.
4. Temporary construction easements required on Lot 9, Block 1 and Lot 1, Block 2, Maple Hill 2nd
Addition.
PLSLWD
1. Additional comments have been generated by PLSLWD’s review of the revised plans
Scott County
1. Scott County comments have been added to the plan sheet.
SCOTT COUNTY TRANSPORTATION SERVICES DIVISION
PROGRAM DELIVERY· TRAFFIC· HIGHWAY OPERATIONS· MOBILITY MANAGEMENT
GOVERNMENT CENTER EAST, 200 FOURTH AVENUE WEST· SHAKOPEE, MN 55379
(952) 496-8346 · Fax: (952) 496-8365 · www.scottcountymn.gov
LISA J. FREESE ANTHONY J. WINIECKI, P.E.
Transportation Services Director County Engineer
An Equal Opportunity/Safety Aware Employer
September 17, 2025
Paul Moretto
City of Prior Lake
4646 Dakota Street SE
Prior Lake, MN 55372
SUBJECT: Stone Path Preliminary Plat
Dear Paul,
Thank you for the opportunity to review the preliminary plat for Stone Path. We have reviewed
and offer the following comments:
• The County agrees with what is being proposed for right of way dedication along CH 42.
However, the stomwater pipe running parallel in the County right of way and the
proposed ponding in the right of way for CH 42 will not be permitted.
• The existing driveway access to CH 42 shall be required to be fully removed from the
County right of way and graded to match the existing ditch.
• Detailed Stomwater information shall be required to be submitted to the County for
review and approval.
• No ponding, berming, signage, or landscaping shall be permitted in the county right of
way.
• Any work within the County right of way shall require a County permit.
If you have any questions or need further information, please contact me.
Sincerely,
Craig Jenson
Transportation Planning Manager
Memorandum
To: Stephanie Thulien, Water Resources Engineer
From: Troy Kuphal, Scott SWCD Director
Cc: Joni Giese, PLSLWD Administrator
Luke Schwartz, Assistant City Engineer
Laura Pietila, Project Engineer
Kris Keller, Project Engineer
Date: September 17, 2025
Subject: Stone Path Preliminary Plat Review
Thank you for the opportunity to provide review comments on the September 3rd submittal for the subject project.
The District’s Engineer completed their review of the civil plans dated 8/29/2025 and stormwater report dated
8/27/2025 and offers the following comments. Please note previously submitted comments that haven’t fully
been addressed are included in black text, and new comments are included in blue text.
Rule D – Stormwater Management
1. Submit filtration basin construction sequencing demonstrating appropriate phasing and/or protection of
filtration media from clogging until tributary drainage areas are stabilized and vegetated.
2. Total impervious in the proposed hydroCAD model is less than the house pad sizes shown on the plan set.
Modeling should assume the maximum allowable impervious per lot to cover future hardscaping by
homeowners (sheds, patios, etc).
3. The internal weirs in the Pond A & B outlet structures (and the wetland weir wall) are modeled as custom
weirs/orifices in hydroCAD. This approach is atypical and may have an impact on peak flow rates.
Rule F – Floodplain Alteration
1. There is floodplain filling on Lot 1, Block 1 below the existing 100-yr HWL for the wetland. Compensatory
storage should be provided and may address the issue of freeboard for the existing home to the west of
the wetland.
Rule J – Buffer Strips
1. The owner will be required to enter into a Developers Agreement with the District (via the SWCD) for
establishment of and record a conservation easement over required buffer strips. The conservation
easement shall be over the buffer area(s) only.
2. Buffer strips are required around all onsite wetlands and must have an average width of at least 30 feet
and a minimum width of at least 15 feet.
3. Details for buffer monumentation and vegetation establishment are detailed in Rule J Paragraphs 7 and 8,
respectively, and must be incorporated into the construction or landscape plans.
4. Legal descriptions, and AutoCAD Civil 3D layers for proposed buffers and wetland boundaries will be
required for review and acceptance conservation easement boundary.