HomeMy WebLinkAbout2023-01-23 PACKET 06.2 (DAYCARE AT 7781 HARDWOOD)STAFF REPORT CASE: SP/PUD/CUP2023-002
ITEM: 6.2
PUBLIC MEETING DATE: 1/23/23 TENTATIVE COUNCIL REVIEW DATE: 2/15/23
APPLICATION
APPLICANT: 814 Services LLC (Applicant), on behalf of Crown Estates Holdings LLC/
Joan Eva Stoltz Revocable Living Trust
REQUEST: A site plan review, planned unit development, and conditional use permit
for an 11,464 square foot proposed daycare facility.
SITE DATA
LOCATION:
ZONING:
GUIDED LAND USE:
7781 Hardwood Avenue South
M/U, Mixed Use
Mixed Use
LAND USE OF ADJACENT PROPERTIES: CURRENT GUIDED
NORTH: Future Apartments Mixed Use
EAST: Commercial Mixed Use
SOUTH: Commercial Mixed Use within 300'
WEST: Parks/Open Space Parks/Open Space
SIZE: Building = 11,464 square feet
DENSITY: N/A
RECOMMENDATION
Approval, subject to the conditions stipulated in this staff report.
Cottage
Grove COTTAGE GROVE PLANNING DIVISION
�
here Pride and P,.spelity Meet
Planning Staff Contact: Conner Jakes, Associate Planner; 651-458-2868; ciakes _cottagegrovemn.gov
Application Accepted:. 12/28/2022 60-Day Review Deadline: 2/26/2023
City of Cottage Grove Planning Division • 12800 Ravine Parkway South • Cottage Grove, MN 55016
Planning Staff Report
02B Kids! Child Care Facility
Planning Case No. SP/PUD/CUP2023-002
January 23, 2023
Proposal
814 Services LLC (Applicant), on behalf of Crown Estates Holdings LLC/Joan Eva Stoltz Revo-
cable Living Trust has submitted applications for a Site Plan Review, Planned Unit Development
(PUD), and Conditional Use Permit (CUP) at 7781 Hardwood Avenue South. The Applicant is
proposing to construct a 11,464 square foot Child Care Facility. The proposed project would be
located on a 1.36-acre parcel of land to the west of the Shoppes at Gateway North and to the
south of the Cottage Grove Apartments at 7689 Hardwood Avenue South.
Location Map
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OSubject Site Park and Open Space
Site Location
Review Schedule
Application Received- December 28, 2022
Application Accepted- December 28, 2022
Planning Commission Meeting- January 23, 2023
Tentative City Council Meeting- February 15, 2023
60-Day Review Deadline- February 26, 2023
Planning Commission Staff Report — 02B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 2 of 11
Background
The subject site is currently a vacant lot with no tree coverage. Topographically, there are major
elevation changes along the north and eastern property lines, with existing retaining walls along
the eastern property line on the adjacent parcel. There is currently an Interim Conditional Use
Permit (ICUP) approved on the site. The ICUP allows for temporary parking and storage for the
project to the north at 7689 Hardwood Avenue South, and it expires on May 1, 2023. The ICUP
applicant (Oppidan Development) has verified they are no longer utilizing the ICUP approvals;
therefore, the ICUP does not impact site development.
2022 Aerial Photo
Proposed Use
The proposed 11,464 square foot facility would be occupied by 02B Kids!, an experienced na-
tional operator of early child education. The facility would provide quality, education -based pro-
grams for children ranging from infancy through age four, as well as before and after school and
summer camp programs. Typical hours of operation are from 6.00 am to 6.00 pm, Monday through
Friday. The site plan also shows a secure play area that will be completely enclosed with fencing.
Planning Considerations
Zoning and Comprehensive Plan
The subject site is zoned MU, Mixed Use District, and is guided as Mixed Use on the 2040 Com-
prehensive Plan. The proposed use is consistent with the City's zoning ordinance and land use
plan. Daycare uses are permitted with a Conditional Use Permit (CUP) within the Mixed -Use
Zoning District.
Planned Unit Development
The PUD process is a tool that provides additional flexibility for development that an underlying
zoning district would not otherwise allow. It is intended to overcome the limitations of zoning reg-
ulations and improve the overall design of a project. While the PUD process allows the City to
negotiate certain aspects of the development, any conditions imposed on the PUD must have a
rational basis related to the expected impact of the development.
Planning Commission Staff Report — 02B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 3 of 11
Due to the site and zoning code constraints, the applicant is requesting flexibility from the required
overstory tree count and parking lot setback. In return for the flexibility, the applicant will add
additional parking stalls exceeding the minimum required, match the retaining wall color to the
adjacent property to the east, include additional landscaping, and match the trash enclosure ma-
terials to the principal structure. The proposed development meets or exceeds all other zoning
code requirements.
Site Plan Review
The proposed 02B Kids! Child Care Facility consists of an 11,464 square foot building serving
children ranging from infancy through age four. The site's access is located off Hardwood Avenue.
The developer will be including a sidewalk connection from the principal structure to the existing
trail system along Hardwood Avenue. The principal structure will be located on the north side of
the site.
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Site Plan
Building Setbacks
Mixed Use District Standards
Proposed
Corner Lot Setback
on Front Yard
20 feet
36.7 feet
Side Yard (North)
10 feet
47.7 feet
Side Yard East
10 feet
45.5 feet
Rear Adjacent to
Residential
50 feet
60 feet
The proposed building meets or exceeds all setback requirements for the zoning district. Due to
the unique shape of the subject site, the front yard setback is required to meet the minimum corner
lot front yard setback. The rear yard setback is required to meet the minimum rear yard setback
adjacent to residential as the adjacent property to the north is zoned R-6, High Density Residen-
tial. Although there are only three lot lines, City Code Title 11-1-3 states that the rear lot line is the
Planning Commission Staff Report — 02B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 4 of 11
boundary of a lot which is opposite the front lot line, and that if the lot forms a point at the rear,
the rear lot line shall be a line ten feet in length within the lot, connecting the side lot lines and
parallel to the front line.
The proposed trash enclosure will be located on the south side of the principal structure. The
Applicant has proposed the structure to be constructed with the same materials as the principal
structure, as discussed in the Architecture section of this report. City Code Title 11-3-8 states that
trash enclosures must be setback a minimum of 10 feet from the adjacent property lines. The
proposed trash enclosure is located 39 feet from the adjacent property line to the east.
The Applicant is proposing a retaining wall along the north and east property lines along with a
fence that will enclose the outdoor play area. The proposed fence will meet City standards and
be a decorative fence that complements the site design. As a condition of approval, any proposed
fencing will be reviewed and approved by planning staff. The retaining wall along the east property
line will match in color to the existing retaining wall on the adjacent property to the east.
Parking
The proposed 02B Kids! Child Care Facility has a maximum capacity of 195 children. City Code
Title 11-3-4 requires one parking spot per 6 individuals of licensed capacity, or 33 stalls. The
applicant is proposing 36 parking stalls with 2 stalls being ADA accessible, which exceeds the
minimum Code requirement by 3 stalls. City Code calls for minimum 20-foot-long parking stalls;
however, the minimum length may be decreased by 2 feet for spaces that allow for bumper over-
hang. The proposed parking stalls to the north, east, and south of the parking lot are 18-foot-long
stalls due to the ability for bumper overhang. The proposed parking stalls in the center area of the
parking lot are 20-foot-stalls. Due to the size and unique shape of the subject site, the Applicant
is requesting flexibility from the 20-foot front yard parking lot setback and has requested a 10-foot
front yard setback. In return for the flexibility, the Applicant has included additional parking stalls
exceeding the minimum required.
Parking Lot Layout
Planning Commission Staff Report — 02B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 5 of 11
Site Access
The Applicant's proposed site access location was determined through review of two primary
access locations along Hardwood Avenue. The first location was aligned with the existing inter-
section of East Point Douglas Road and Hardwood Avenue, and the second location is shown in
the application package. While it would be common practice to have the driveway access align
with the existing intersection, the sight lines at the existing intersection were problematic for vehi-
cles exiting the site. City staff reviewed the possibility of upgrading the intersection with an all -way
stop condition to allow for the access to remain at the intersection, but as is documented in the
traffic study completed by Bolton & Menk, dated January 13, 2023, an all -way stop condition is
not warranted and not recommended for various reasons. The access location as shown in the
submittal package decreases the operational and safety impacts as is the preferred location. The
included traffic study reviews existing traffic volumes, operational impacts, potential trip genera-
tion with full build out of the area, further detailed analysis of the all -way stop warrant analysis,
and recommendations as it relates to access for the proposed use on this property.
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Planning Commission Staff Report — 02B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 6 of 11
Architecture
City Code Title 11-3-11 requires that the fagade forth is project be comprised of a minimum of 65
percent Class 1 materials and use 3 different materials from Class 1 or 2, and not more than 10
percent Class 4 materials. Class 1 materials include the following:
• Fired clay face brick
• Natural stone, synthetic or cultured stone
• Transparent glass, opaque or mirror window panels
• Other comparable or superior materials
The Applicant is proposing 68.2 percent Class 1 materials and three materials from the Class 1
material list above. The proposed materials used on the exterior fagade include a cortez colored
fired clay face brick, sienna colored lamina stone, and glass windows (all Class 1 materials). In
addition to the Class 1 materials, the Applicant has proposed a quarry gray colored lap siding
(Class 3 material). Below is a breakdown of material composition percentages:
• Fired Clay Brick (cortez): 40.3%
• Lamina Stone (sienna): 14.5%
• Glass Windows: 13.4%
• Lap Siding (quarry gray): 31.8%
South Building Elevation
Nortn tsunaing tievation
west t miaing tievation
Planning Commission Staff Report — O2B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 7 of 11
East Building Elevation
Landscaping
The Applicant has submitted a detailed landscape plan. The Zoning Code requires that a minimum
number of trees and shrubs be provided based on the gross square footage of the subject prop-
erty. The minimum landscaping requirements for the property are 17 overstory trees, 15 conifer-
ous trees, and 36 shrubs. The applicant is proposing to plant 6 overstory trees, 15 coniferous
trees, and 117 shrubs. Due to the sight triangle requirements for the site access, the area for
planting of the minimum number of trees required cannot be met. To offset the reduced number
of trees, the Applicant is proposing additional shrubs along the east property line, which signifi-
cantly exceeds the minimum code requirements.
In addition to the planting of trees and shrubs throughout the property, City Code Title 11-3-12
states that the project must have a minimum of 30 percent open space and 8 percent of the
parking lot interior must be landscaped islands. The proposed landscape plan indicates 47 per-
cent open space and 8.4 percent of the parking lot consists of interior landscaped islands, which
is in conformance with Code requirements.
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Landscape Plan
Planning Commission Staff Report — 02B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 8 of 11
Outdoor Lighting
Outdoor light fixtures will consist of two parking lot light poles that are 30 feet in height, with one
light pole consisting of a single head and one light pole consisting of a double head. City Code
Title 11-3-10 limits the amount of light that can be emitted from commercial property. This limita-
tion must not exceed 1.0 foot-candle onto adjacent properties. The Applicant has submitted a
photometric plan that is consistent with the City Code. In addition, all light fixtures will be down-
ward directed in order to limit any light spillage.
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Utilities
The subject property is located within the Metropolitan Urban Service Area (MUSA). City sewer
and water service stubs are available for connection along Hardwood Avenue. Design for the
connection to the stubs and into the property will need to meet the requirements as set forth in
the engineering memo dated January 13, 2023.
Surface Water Management/Grading
The site grading for the project is proposed to meet the surface water management requirements
established by the State, Watershed District, and the City's Surface Water Management Plan.
The applicant has proposed an underground private stormwater system that will connect to the
city's trunk system within Hardwood Avenue. A private storm water maintenance agreement will
be required to be executed for the proposed private system.
Development Fees
The Applicant will be required to pay area charges, including park dedication, and connection fees
including stormwater, water, and sanitary sewer prior to the release of a building permit.
Planning Commission Staff Report — 02B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 9 of 11
Public Hearing Notices
The public hearing notice for the January 23, 2023 Planning Commission meeting was published
in the Saint Paul Pioneer Press and mailed on January 11, 2023, to 8 property owners that are
within 500 feet of the proposed project. Staff has not received any comments at the time of writing
the report.
Recommendation
That the Planning Commission recommend that the City Council approve the Site Plan Review,
Planned Unit Development, and Conditional Use Permit for a 11,464 square foot child care facility
to be located at 7781 Hardwood Avenue South subject to the following conditions:
1. The project shall be completed in accordance with the plans submitted as amended by the
conditions of approval. Any significant changes to the plans, as determined by the planning
staff, shall require review and approval by the Planning Commission and City Council.
2. The Planned Unit Development and Conditional Use Permit approvals shall expire one (1)
year from the date of City Council approval unless a building permit has been requested
or a time extension has been granted by the City Council. The City Council may extend the
expiration date of such approval upon written application by the person to whom the
approval was granted.
3. Prior to the issuance of a building permit, the Developer shall incorporate the recommen-
dations, requirements, and evaluations noted in the Bolton & Menk memorandum dated
January 13, 2023, and subject to modifications that are agreed to by the developer and
City Engineer. All comments shall be adopted herein by reference.
4. All applicable permits (i.e.; building, electrical, grading, right of way and mechanical) and a
commercial plan review packet must be completed, submitted, and approved by the City
prior to the commencement of any construction activities. Detailed construction plans must
be reviewed and approved by the Building Official and Fire Marshal.
5. The Applicant must receive all required building permits from the City of Cottage Grove
prior to construction.
6. The final grading plan shall meet the approval of the City Engineer.
7. The Applicant and/or Property Owner must keep all sight triangles clear of obstructions,
including any required tree trimming.
8. Installation of landscaping shall occur in a timely fashion and be consistent with an ap-
proved plan. A letter of credit in the amount of 150 percent of the landscape estimate shall
be submitted to the City as required by City ordinance. The financial guarantee shall be in
effect for one year from the date of installation to ensure the installation, survival, and re-
placement of the landscaping improvements.
9. All light poles shall be a maximum of 30 feet in height, including base, and shall be down-
ward directed, with LED lamps and flush lens unless approved in writing by Planning staff.
Attached security lighting shall be shoebox style, downward directed with flush lens. In
Planning Commission Staff Report — 02B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 10 of 11
addition, any entry lighting under canopies shall be recessed and use a flush lens. Shields
shall also be added as directed by the City.
10. The grading and erosion control plan for the site must comply with NPDES II Permit re-
quirements. Erosion control devices must be installed prior to commencement of any grad-
ing activity. Erosion control must be performed in accordance with the recommended
practices of the "Minnesota Construction Site Erosion and Sediment Control Planning
Handbook" and the conditions stipulated in Title 9-7-1, Erosion Control During Construc-
tion, of the City's Subdivision Ordinance. The Applicant shall be responsible for the costs
for the City to inspect the site in relation to erosion control conformance.
11. The Applicant must provide the City with an as -built survey of all private utilities and grading
plan prior to issuance of the certificate of occupancy.
12. Prior to the issuance of a building permit, the Applicant must pay area charges, including
park dedication, and connection fees including stormwater, water, and sanitary sewer.
13. All mechanical equipment on top of the building and on the ground shall be screened from
public view. The mechanical units shall be screened as required in Title 11-3-9 of the City's
Zoning Ordinance. In the event complaints are received, the Applicant shall work with City
staff to resolve the matter.
14. Proposed trash enclosures shall be constructed using the same materials and patterns
used on the building.
15. All refuse areas shall be sized and designed appropriately to allow recycling containers.
16. Rubbish, waste, and recycling containers shall be stored within an enclosed structure com-
pliant with City ordinance screening requirements and shall always be maintained so as
not cause odors or other public nuisances.
17. The Applicant shall be responsible for maintaining the sidewalks and removing snow and/or
ice from sidewalks on the site.
18. Any retaining walls installed on site as part of the development or in the future that are
greater than four feet in height shall be designed by an engineer and submitted to the Chief
Building Official for review and approval. A fence along the upper elevation of a four -foot
or higher retaining must be installed.
19. If any fencing is installed on the site in the future, it shall be approved by planning staff in
writing prior to installation.
20. The Applicant is responsible for removing debris from all adjacent public roadways during
their grading and construction process. The adjacent streets shall be swept clean daily or
as needed.
21. A private stormwater maintenance agreement is required for the proposed on -site system.
22. All areas of the site, where practical, shall be sodded and maintained.
Planning Commission Staff Report — O2B Kids! Child Care Facility
Planning Case No. 2023-002, SP, PUD, CUP
January 23, 2023
Page 11 of 11
23. Prior to the issuance of a building permit, the Applicant shall provide a material sample of
the exterior building. The materials shall be approved by planning staff.
24. Prior to the issuance of a building permit, planning staff shall review and approve a final
landscaping plan.
25. Prior to the issuance of a building permit, planning staff shall review and approve fencing
type and material.
26. Prior to the issuance of a building permit, planning staff shall review and approve any
proposed retaining walls.
27. Irrigation shall be provided for all sodded and mulched landscaped areas. The irrigation
system shall consist of an underground sprinkling system that is designed by a professional
irrigation installer to meet the water requirements of the site's specific vegetation. The
system shall be detailed on the final landscape plan.
28. Prior to the issuance of a building permit, the Applicant shall provide a snow removal and
storage plan detailing how snowfalls will be accommodated on site.
29. All disturbed boulevards shall be restored with sod. The property owner shall mow to the
back of curb line on all adjacent streets.
30. Signage is not approved as part of this application. All signage shall meet the requirements
of the sign ordinance and require a separate building permit.
Prepared by
Conner Jakes
Associate Planner
Attachments
Site Civil Plans
Architectural Elevations
Architectural Material Examples
Sight Triangle Exhibits
Traffic Memo
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TISDING 6TOPODRAPHIO 6IRVEV CONNIILT6 or DATA COTECTED IN OITOAER 2022
PROJECT MANAGER: CIVIL ENGINEER: APPLICANT/OWNER:
COVER SHEET
ISG -ALEX AMADEO ISG - RYAN ANDERSON DANIEL HARRIS
217 E. 2ND STREET, SUITE 110 7900 INTERNATIONAL DRIVE, SUITE 530 1695 TWELVE MILE RD, SUITE 100
ITEET
DES MOINES, IA 50309 MINNEAPOLIS, MN 5525 BERKLEY, MI 48072
PH: 515.243.9143 PH: 952.426.0699 C: 248.514.9120
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TITLE
SITE DETAILS
ELLEET
C810
MORTAR BOTTOM OF MANHOLE TO VI
DIAMETER AT PIPE AND SLOPE MORTAR
2' TOWARD INVERT.
-_ --- FLOW
J MANHOLE STEPS SHALL BE PLACED
SOTNATOFFSEIVERTICALPORIION
OF CONE 15 FACING DOWNSTREAM.
PLAN
2J..
36.a .- ...I � MANHOLE STEPS 16" MA%ON CENTER.
DETERMINED BY PIPE 512E
PIPE SHALL BE CUTTO BE 2 A••INSIDE
VARIES MNO RTRED MANHOLE WALL
L DW HOUSES SHALL BE MORTAREDBOTH
INSIDE AND OUTS DE OF MANHOLE.
3"\ PLACE 2 BEADS OF RAMNEK OR EQUAL,
SECTION `BETWEEN BOTTOM SLABAND BARREL SECTION
STANDARD DETAILS l�
G[OV¢�¢ STURA
ORM SEWER MANHOLE
COTTAGE GROVE, MINNESOTA STo-1
MINMUM S' WIDE MINIMUM M i' WIDER� 8' rSHORD.
SEE TYP. SECTION
ITS
0.5'-
2-
3-1 T SP9.5 WEARING COURSE MIXTURE(2,C)(SPWEA230C)
IXCA ON O DDITIONAL AGGREGATENSACKFUL
(AS DIRECTED BY THE ENGINEER)
BFIUMINOUSTRAR
MINIMUM 5• WIDE r MINIMUM 2' WIDE
SHWLGER� S �SNWDER
AOUNCRETESE
TE:
D.s• JOINTS snAu BE TOOLED
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6" TYPE 3FS. CONCRETE
N' CLASS 5 AGGREGATE RASE (VIRGIN)
IXGVATON AND ADDITONAL AGGREGATE fl4 1
AS DIRECTED BY THE ENGINEER)
CONCRETE SIDEWALK
STANDARD DEFGro TARS TYCMMW1R TEAAND
CONCRETE sIDflN K sfrnoNs
COTTAGE GROVE, MINNE50TA STRR_g
2A••X36' SLAB OPENING FOR
_ CASTING SPECIFIED
4 ` DIMENSION FROM BACK OF CURB TO
® 1 AEDIA. ME ER IFPIPE
IN FROM BACK OF CURB
® S:DIAMH-3"INFROMBACKOFCURB
DIA. MH - 3' BEHIND BA<K OF CURB
T' CIA. MH -9" BEHIND BACK OF CURB
- B'DIA.MH-15" BEHIND BACK OF CURB
PLAN
CASTING AND ADJUSTMENT RINGS AS
SPECIFIED. PER DETAIL PLATE ST1-23.
TOP OF BARREL SECTION BELOW TOP
SLAB TO HAVE FLATTOP EWE SEALED
VARIES WITH 2 BEADS OF RAMNEK OR EQUAL
12"-2A"
VARIES
MANHOLE STEPS 16" MAX ON CENTER.
VARIES
C —MORTAR BOTTOM
pQ P
1 C 0 DSIDE AND SHALL OUTSIDE OF MANHOLE. H
-L - INSIDE AND OUTSIDE OF MANHOLE.
3" PLACE 23EADS OF RAMNEK OR
EQUAL BEIW EEN BOTTOM SLAB
SERION AND BARREL SECTION.
CD[[eg¢ STANDARD DETAILS
GCOV¢ CATCH BASIN MANHOLE
COTTAGE GROVE, MINNESOTA STO�S
SEE DETAIL PLATE E -11 PER
SAWCIR "
CONCRETE DRNEWAY APRON
COMMERCAL DETASI6
SAW
El(6TING ATOI EXISTING STREET SECTION WITH MINIMUM USING THE
GRAVEL RASE NIO FIXED PIN MATFR ILllS:
TYPE 5P 12.5 NG COURSE MIXTURE (3,C) SPWEB390C
CLASS 6 AGGREGATE BASE ]I- cR_GG
SECTION IA
111 I.
CITY
FOR RIGHT-OFWAYPREARTS REQUIRED ME TO CONSTRUCTION.
2. DR MATERIAL SPECFlCATIXJ, REFER TO RIGHT-0FWAY PERMIT.
STANDARD DETAILS
C CONCRETE COMMERCAL DRIVEWAY APRON OR
Grov AND GurrER CDNNECI ro IaTSnNG ST� T
LURBCOTTAGE GROVE, MINNESOTA
NOTE NE SHO'NN 3'-0" �I
FACE OF CURB LIKEL RIN IF FLOW03'-V
�� 6"
PLAN
CASTING HDADHISTMENT
RINGS ASSPECIHED.
PER DETAIL PLATE STR-23.
PRECAST
W MORTAR INVERT
SHALL A MORTARED OH
N BOTHT E1
INSIDE AND OUTSIDE.
PEACE 2 BEADS OF RAM NEK OR SECTION�6
EQUAL BETWEEN BOTTOM SLAB
AND BARREL SECTION.
/�/M� STANDARD DETAILS
l L� DEL eg¢ CATCH BASIN
COTTAGE GROVE, MINNESOTA
HUB WIN THREADED PVC MUG
- DO NOT GLUE.
AND FASTING AS
SPE FINISH GRADE
T ED
FlN6H GNADE
ONE PIECE MIFANO CLUT RISE
ER
VARIES VARLEED GTUNN
FVCEONG SHEEP TEE WYE
ENCASE PVC BEND IN CONCRETE /
MIN.1/3 CU. YDS L ENCASE PYC WYE IN CONCRETE
MPU.1/3 DE YDS.
END OF LINE CLEANOUT IN LINE CLEANOLTT
STANDARD DETAILS
�GEOVBI¢ PVC SERNICE LINE CLEANOURS JMRRMYIW3
COTTAGE GROVE, MINNESOTA
w,.
I
Q11U
Hcal�RvixLiluT
NOTES:
0 I� I TGuiiER..LOPES
� 6niEBxSE.E on �u V OF i2 m_ VRP Bes
B618
CONCRETE CURB & GUTTER
DROP LID
TOP
EXTENBRON
EDMECJLLM WS
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NTO
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02B KIDS
COTTAGE GROVE MINNESOTA
GRADE
ADJUST TOP T01/2"BELOW
RADE. BOX TO BE SET TO
PROVIDE IT• OF ADJUSTMENT.
2.5 MINIMUM COVER REQUIRED
OVER TOP Of WATER MAIN.
GATE VALVE ADAPTER: 1/4' STEE
WINPROT . COATING, "II'
/n\ B'�1 PER MIEER W� RMEW H
L.
LATE
F,
�R—
(TYP.). MINIMUM
3/4"WIDE FLAT
P.
:jfflI ( NG BLOC(
STANDARD DETAILS
G91Erv6TMLVE AND 30X
COTTAGE GROVE, MINNESOTA vJ qT-3
2-27647
1EVI-El El Al
TITLE
SITE DETAILS
ElEET
C811
o I DIRECTIONAL N— WALKABLE RARE ¢
EOMINED OIxEETO—L o 8 "�
O.a
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STANOAnn ONE-WAY DIRECTIONAL ® ONE-WAY
o�NEcTAE WITH o[Tcc NEE ® ;� �. ;.i�i «`.'od«°v `m°�� o�= mxa.c...�a..«
xA=NOATN8_ Of CUVx TA
T- a ,
xITNIN INTERSECTION CORNER
CURB FOR DIRECTIONAL N— 0
IEIG14T1�
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02B KIDS
CO —GE GROVE MNE —
22-27647
SITE DETAILS
C812
ACCEPTABLE FILL MATERIALS: STORMTECH MC-3500 CHAMBER SYSTEMS
COMP -BIM) DENSIW REQU REMEN
C
A
NOTES'
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SITE DETAILS
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STORMWATER
POLLUTION
PREVENTION PLI
o® BEET
SCALE IN FEET CYUU
�SIGG �° oENETF°u r'
Ea a
aEN
F�r��e. ��
ooT�TR TFEN� AFIOHOTTEu
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s ; RTSILT IIII
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a
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SPECI
MF T"O�HMMHF......1I� MI A
111HEIIATISCH11L 1. Hi'H MO N' CUT OFF BERM TO Mi NIM¢E FENCE FROM EITHER SIDE OF BERM AS NEEDED
To, C RUSHED COCA OR
SLASH MULCH
SILT FENCE
SILT FENCE INLET PROTECTION STABILIZED CONSTRUCTION EXIT
NTs INTO INTO
EIG14T
02B KIDS
COTT4GE GROVE WN-
IIINEIT IF
STORMWATER POLLUTION PREVENTION PLAN (SWPPP) NARRATIVE
PROJECT LOCATION
PftE 1115
aECT LOCATION: TT 81 HHARDW000 AVE,
PROJECT DESCRIPTION
TIE PROJECT INCLUDES F—STRUCTION 01 A NEW CHILDCARE —UT1 WITHIN THE CITY OF COTTAGE GROVE 11. THIS PROJECT ALSO INCLUMES A BIT.11NONS — PARIING LUT,
CONSTRUCTION ENTRANCE FROM HARMOOD AVENUE, STORM SEWER MO ADS UNDERGROUND FITTRATION FACHULTY RANDARY AND WATER SERVICES, RETAINING WATS, AND A PLAY —
PRE -CONSTRUCTION IMPERVIOUS SURFACE AND DISTURBED AREA CALCULATIONS
ATIOPER.NS I a0 Acals
CONTACT INFORMATION/RESPONSIBLE PARTIES
TIED ED HSTIGIANO ATUACGNTPDXEA AND EASE— WITH THE PROJECT TIE OWNER IS TIE GWIGR GO-IMMITTEE APPIFYING FOR PERMIT —GAG
WILLM
NSISLE FORMANAGEMENT SYSTEM FOR THIb PROJECT (I DAPPL CABLE TE OWN R S AN THETWILL N. E TrEVERAT THFIPIE DESCRBEDPWOR11 THE K IN THE GWPPP C BEING WMEETED BYTIE THE OPERATOR
nwxcwPcammcF aE(nLxlcl H SUITEIW RTMAxASR)
SM1
248.0<.B12NAN®SIAQRE.QQM
(REFER TO SWPPP AMENDMENT SECTION). THE N
ISO NG.INTPRYAN NDEPSONOR DITE 8 NC.ERYANANDERSO�DITE55B
=131,
SO12ATABARYANANDEREON@I3GINGCON !E2<2BBBBGRYANANDERSON@ISGNGCON
AGEKYOONINICEB NAM!11 PHNENUMEREHLYL
NLUS
H WASHINOTN-1—TEO A 11 MODE 1 ,14JT NMA .MOORE®WOO.B RT'LMLOOV
PERMANENT STORMWATER TREATMENT SYSTEMS
VOLUME (SECTOR 15) FROM THE NET NEW IMERVIOUs SUAACEG OF THE PROJECT IS PROVIDED IN THE PROPOSED UNDERGROUND FILTRATON
aBASIN 'DN_'T
EQUINEENT DUE TO PROXIMITY COAL
G-ONmvATER CAPTAUREIZ. THE REouIREMEMES INPoGTEAD METTT�HO"uGH FILTRATION oFDTMEET
E WATER FULL VOLUME
VOLUME. REDUCTION
EXISTING SITE CONDITIONS. SOILS. & WATER RESOURCES
EON (iR PRUND INF�LTARON AREAS DarIRDUHr NTREEsroEeE PI rtRISDERvRO.THE ETc)soH"ALL BECTIM DETERMIA EOA3 �THEEovCRAArIoa's
NTIALLI HIGHLY ERODIBLE ON TIE COUNTY GUNIEY ARCP.
USDAARCS MAPPED SOIL SURVEY UNIT NO., NAME, TEXTURE SLOPE PERCENTAGE PERCENTAGEOF APPROXIMATE PARTICLE GZE RANGE MM
N.BB2
NORTHNEST OF THESITEINTO AN EXISTING 9TORMSEWER SYSTEM HYDROLOGI—WATERFAND ATERp XUTY MODELING ATAYS AVALABE UPONRREOESROM THIS PGO1— WILL BE CONCEGE INTO AN UNDEGROUND STORAGE SYSTEM PRIOR TO DICAOE
All
IN. THE P. SEACH
NE
SHTTPb./IMPG.MPPs.PRC. S.0 MAiAPPUBUICT TO TND-S WITHIN TIE CiVLIMIiS. WEwIrvDE%.HTML.10=E03EF1 i0FSNE< FBBEIGEBFAFECGIEWCC)) ON IU2712022 E SEARCH SHKWJED NO IMPAIRED WATERSROR WATERS
POTENTIAL FOR SEDIMENT AND/OR OTHER POLLUTANTS) DISCHARGING FROM THE PROJECT SITE
THE
WITHTNEYEROSION AND SEDIMENT COMPFNO CONSTRUCTION ANTHICnvIPRCS N HLSESVDPEPG_. DTO FORS 11 THE
THE P DO NOT CATION WATHE 10TE111 IF SRILY RE REVIEWED AND IDEUSEDSGN'OR CRITERIA PA ED PERMANENT
HILIHE"IAT AEG"INANDIIIIR FNIME q,o Eo ��Ao�Rl"wC�L"EREIaI�E;EFUNDTINALRYGF-HBMPSEEPSLOPESAND EITHER ENWOMJENFALLYGENBRMERA
CONSTRUCTION PHASINGISTAGING. BUFFERS. 8 RANTER& NOT TO BE DISTURBEDAREAE HOT TO HE DISTURBED ARE TO BE NATURALD.
REDCUMENTE T)PROVIDE DOOES NOT APPLY TO ADJA IEUE ROA SICONTROL
DE DIITJCHES..'JUp CINEC NNT�Y DIT HTER IS L ES. SDDTORENWATER CONVEYAN. FEETACRESTOIRM DMININ N EETSRANDTHE
EDIMENT BBUFFER 'SI RE
RAGNG LIMITS. THIS
STRUCTION CONASING OR STAGING DEFINED BY THE OWNER FOR THIS PROJECT. THE SCHEDULE FOR INSTALLING TEMPORARY BMPS GL4LL BE INCORPORATED INTO THE
OF PAT R�EVE (PER MNOOT SPEC 1117.D). THE PROJECTS CONSTRUCTION PHASING
ENVIRONMENTALLY SENSITIIE AREAS
ES: EXISTING AND POPOED SLOPES 1 IN 3 (3333%) AND STEEPER THAT ARE PROPOSED TO BE DISTURBED AGE ILLUSTRATED ON THE PLAN HEETS STEEP SLOPES MAY BE
TE"'F ERNT) CREAATEDDDUAYSROFG I AGI ER WORKING
R LNG THE
S ECESEA PE AT WHICH TIME EMPA ORY BMPS MUST BE IMPLEMEWEO BY THE OPERATOR (THOUGH AN APPROVED SWPPP
OPERATIONS IF
ANEN
RE ED (AVAILABLE UPON BGRHOOW REEDUEE). THE RBME ESULTSAOFRTHIS REVION VIEW bNOWNNNO KNOWN CONTAMINATED P OPEN EE OR LEAK SIEIGHOuacEs LIMA
ED
WITHIN AND ADJACENT TO THE PROJECT LIMITS.
ADDRINALSTORMWATERRELATED MIST'IGANONMEASURR PLY ROM ENVRONMENTAL REVEW NO FORMAL ENVIRONMENTAL ENEW WAS REGUIED FOR THIS PROJECT, THEREFORE, NO
GARET AREAS ARE KNOWN TO BE WITHIN OR ADJACENT TO THE PROX)ECT UNINTS. INFII-THATION IS HIT PROPOSED FOR THIS PROJECT.
SITE PLAN REOU RED ARRAS.O AREAS OF HIGH ENVIRONMENTAL RISKS PRE SOWN TO BE LOCATED WITHIN OR IMMEDIATELY ADJACENT O THE PROJECT LIMITS.
PREMECT ACTIVITIES MAY NOT OCCUR WITHIN THE 10—AR FIUOODPIUAN OR FLOODWAY, THEREFORE THE PROJECT ER (AT THEIR DISCRETION) MAY
WITHIN THE PROJECT LIMITS. THIS PLAN SHALL E SUBMRTED BV THE REPROATORTO THEIOWHEA1 ANS REPRESENTATIVE FORRAPPROVALA MINIMUM OF T2 HOUR6 PRIOR TO THE SHEOULED WORK
AN R ACTIVE WORK WITHIN THE FILOOD—N. NO WORK WITHIN THE FLOODPLAIN CAN COMMENCE UNTIL WETTEN APPRONOUNOTICE TO PROCEED FROM THE OWNERS
REr
VE IS RECEIVED
�. FISH EXCLUSION DATES ARE NOT APPLICABLE TO THIS PROJECT LOCATION,
R' ALL INSTREAM AND DEWATRING EQUIPMENT SHALL BE DECONTAMINATED OF ALL AQUATIC PLANTS AND PROHIBITED INVASIVE SPECIES PRIOR O USING WITHIN
SURFACE WATERS =LMOBTRANSPORTNG OF-ITE ALL DECONTAMINATION —TIES SHALL NEU THE CHAPTER I STANDARDS OF THE MINNESOCA, DNFG BEV PRACTICES MANUALL
FOR NEELING MH RE LIC WATERS WORK PERMIT OF 2-1
NO A—.. EXI ST WITHIN OR IMMEDIATELY ADJACIENT TO IN E PROJECT LIMITS
TIE$ AS IDENTIFI®IN THEAGENCY--TS' TABLE ON PAGE 1
'HE IP THE MORE "'NIENT OF
To—
STATE "
IEIIRAFN
IR
RE
1 RE
AT:(HTTPIPAYWW.PG.GTATEMN.UGINOE%.PIPAVASTRNJAT RSTYESPNG_ RAM55TORMWATR/CONET. TTIRXN ORMJIATER). TERTAN REHE O EAT RNIB RRPONSIBLE FORM PLY WITH ALL
APPLICABLE PERMITS, MOOT SPECIAL PROVISION, MNOOTSPEC BOOK (2015 RRION), MNDOTSPEGIFIGTION5 IT,
N TI
No CONSTRUCTION 0 '"'
NCLUDING REMOVACS, THAT REDUNRE EROSION & SEDIMENT CONTROL PER TIE SWIPPE CAN COMMENCE UNTIL THE OPERATORS EF—
SEDIMENT CONTROLS(SILT FENCE,IINLET PROTECTION,CNSTRUCTIONCEMRTHOL
SUPERVISOR CMD ED INAT_TION PPICES, ETC.)ISHALL BEE INSTA LF PRIOR TOT HE STARTGF CONSTRUCTIN,THESE PUCTICES SHALL EM RAIN IN
FORCE
NCETOCONo NE ING SHLTS'T. ,P) ROM ANIVED.RY _GHANGEG"UNDER COVERAGE OF THRE F.E. PER. TS IN SOME IN AMI=FE FMLFHNUF OR NFNNDAUR APPQGRONS OF PU
WITH THE NPDGI PERIVIT FEEL REMENTI TO PREVENT
MP UMP SMPS
MAY BE NEEDED TO MEET THESE REQUIREMENTS.
EROSION GO LF PQUAATFHEG
1. INLET PROTECTION GIN 1E
CONSTRUCTION ENT_E-IOBEY
CONCRETE WASHOUT - I EA
IINSPECTION THE -P E CEo R THE OPE ITY
KNOWN. MUST AMEN Y ATOM WHEN THE IOENi OF THE ESPoNSME SITE OPEAroftS (EROSION COMROL SVERVIOR, SUBCONTRACTORS, ETC) ARE
2. LEAST ONCE EVERY SEVEN (T) DAYS DURING ACRVE CONSTRUCTION All WITHIN 24 HOURS AFTER A RAINFALL
EVENT GRA ER TDHANI0.5 INCHES IN L HOURS. THE OPERATOR SALL PROVIDE A RAINFALL GAUGE ONSIDE, WITHIN NE MILE OF THE SITE, OR SOURCE OF THE WEATHER REPORTING
DOC
PER
T. ALL INSPEC
AND MAINTENANCE CONDUCTED MUST
RECORDED IN WRITING BY THE OPERATOR AND RETAINED WITH THE SWIP
SITE INSPECTION FORM IS
MIABLE FOR OPETATORS TO USE TO COMPLETE THE REQUIEDEINSPECTIONS. THE FORM CAR BE FOUND ON THE MPG WEBBITE OR AVAIIARECT CWHERDEUPON THE --A
EQUEST FOR THE PROJE
A DATE, Onl(s) CorvouNWIlr"INCNIMCE=Wis;YSHRALL INCLUDE.
TAPECTIONSKEN
UDING BNCLupEO "TES, D.ES M MENDADONS FOR
PARTY COMPLETING MAINTENANCE ACTIVITIES), INCLUDING DOCUMENTARONPHOTOS OF IMPLEMENTED BMPS
INTINIMRo rO CORRECT A PTaOeEM BUT Od ED
HAN Ds INHES LN 24 HOURS;
ANCE AD
3. EAroR AND suBMIrrEO ro THE OATEN FOR RE�rIEw Arvv wwTTEN APPNovAL Br THE PROJEor owNER (oR
DRICNATEo RRESENrATrvi).nu o"NiYNia acre o... ED sWIPPPAMENOMRTs AND SITE PANS MUST BE RECORDED IN WRITING AND RETAINED WITH THE SWPPP.
A_ THE NPDR PEFVJ PMGR TO_Noucn ssaiaF CiADsrADGrE"a�Prowases oRlixEPROJECTASREQUIREGDBYT iEOWNERANDoE"NE.INGTREPROUEETswvPPNs (uNOER slcnNeoF THE
THETABSBELOWISASUMMMYOFTHEREQUIREDS IPPAMENOMENTs:
S. THE
EMPPPTORIGINAL ORCOPIEESS)).ALL CHANGES TO THE EWPPR PROJECT MANGE AND INSPECTIONGMAINTERANCE RECORDS MUST BE KEPT AT THE SITE DURING CNSTRUCTION BY
O'GRA
ISG
EIGMT1w-
EIG14T
02B KIDS
COTTAGE GROVE I.IINNESOTA
2-21s47
HTLF
STORMWATER
POLLUTION
51REVENTION PLI
NARRATIVE
C920
HY "WASBFRo�=TR-L:�D ¶SITTERN OC °WREN STRUCTURES. SIR— P ME �n�� �RDNS FGDNGATIDNS BRIE ND MEN W�,GRT PAVEMBNt LOWING.
LL OF HE PouunON PBVRTDN NG =GD.teNF MEASURR IOEMIHTED IN THE NICE— PERMIT. OPERATOR WILL SUBMT A SR1L PNEVENTIDN ANN
L ,SPRP) FROM
E ENGINEER PAIDR TD NY CONSTRUCTION
ACTIVITY.THE BPRP MUST SATISFACTOMLY ABgRESS(AT A MINIMUMI HE FOLLOWING NPDES REQUIREMENTS BY THE
PROPOSED AN. uNOSCARING MATERIALS musT BE UNOERCOVR (RAND MAINTENANCE OF APPIROPRIATE BMI
ASTICT SHEEnNG ORTHE TTEMP LORARY ROOFS) To M N MTo LENCH 52E GENT
WHE
Try 9ToRMfiA�ERANDIPRECIPIRTFAITIONRs. TREATMENF NEMICALs,
cTF (SEDIMENT, ASPHALT, CONCRETE MILLINGS, CONSTRUCTON, AND DEMOLLnON DEBRIS) AND OTHER WASTES MUST BE DISPOSED OF PROPERLY AND BRAIL COMPLY WITH MPCA
DISPOSAL REQUIREMENTS (CH. Tai5).
A=AR�DSTERED SEALs((NGGASNERs IESE,OILANTIREE=MPAINTSOLVENTS,MAPS ETERGENTE,WOODPBBERVATIVEOCLEAMNGSOLVENTBSGNRINGDDMPDDNDBAGIDBEG)MDn
ARE ENGINE
NE BE EEPTABBLE FOR SECONDAILILOWEI ° T CONTATHE NIN LE 9 )) STORAGEANDDISPOSAL OCHAUWDOUS WASTES AND MATERIALS MUST BE IN COMPLIANCE WI
THTMP.A, REGULATIONS (CH� i 5). NO
s��) M'ST BE POSITIONED ND SECURED SO THEY ARE NOT TIPPED OR KNOCKED OVER. SNA ITARY WASTE MUST BE PROPERLY DISPOSED OF IN ACCORDANCE WITH MPC
REGULATIONS (CM
� REASONABLE STEPS TO PREVENT THE DISCHARGE OF SPILLED DR GLS INCLUDING FUEL, FROM ANY AREA WHERE CHEMICAL OR FUEL WILL BE
LOADEDORUNIL DEDPROCEDURES FOR SPILL RESPONSE AND MATERIALS FOR CONTAINMENT, CLEANUP (DRIP PARS. ABSORBEMS. AND SPILL KITE) AND APPROPRIATE DISPOSAL SHALL BE
AVAILABLE
AT ALL TMES ON— PERMI MUST REPORT AND CLEAN UP SPIVS IMMEDIATELY AS REOEBD BY MINNESOTA STATUTE 115DB1.
WHEN 1ENICOGEOLUFMIENT WASHING
P NRIXART SOAPS, DETERGENTS, ND SOLVENTS VETO BE USED ANO STORED PROPEIay. RUNOFF MUST BE CONTAINED FROM HE WASHING AREAS ND DISPOSED O29
PROPERTY
E (—DRY
BITEI. OPERATIT G
OUTLEN PROOF CONTAINER Oa BMP CCMEABLE UNERTLINID ND SODD WASTES SHOULD NOT CONTACT TIE GROUND (UNLESS PERMITTED IN THE CONCRETE WASHOUT PLAN), BE GONTANCD TO
PREVENT FUNOFF FROM THE -SHOUT LOCATION, AND MUST BE DI- OF PROPERLY AND IN COMPLIANCE WITH M REGUILATIONS.
EOUIN& BURNING OF GARBAGE CONSTRUCTION DEBRIS, TREES, DRUM, OR OTHER VEGETATNE MATERIAL IS NOT ALLOWED ON SN UNLESS PRIOR APPROVAL IS GRANTED BY HE OWNER.
CONSTRUCTION ACTMTY REQUIREMENTS: EROSION PREVENTION PRACTICES. PROCEDURES. S MAINTENANCE STANDARDS
HE OPERATOR IS RESPONSIBLE FOR THE INSTALLATION, OPEPATION, AND CONTINUED MAINTENNCE OF ALL TEMPORARY ND PERMANENT WATER QUALITY MANAGEMENT BMPS AS WELL AS
ALL ER11 ON =1 MPS, FOR THE DURATION OF THE CONSTRUCTIIN.MA MINIMUMON WORK AT THE SITE, UNTIL FINNTWTR,AL STABILIZATION E ACHIEVED. ALL BMPS MUST BE
ALL NONUFUNCTI�Ukl_ BMF�S MUET BE NEIAANVQ REPLACED, R SUPPLEMENTED WITH FUNCTIONAL BMPS BY THE END 01 THE BEAT BUSINESE DAY AFTER DECOVIEY OR AS SOON AS FIELD
AND N.:-=pBL`T0_TR`E PT—.' R OT orALL PRODID —1— THAT THAVES THE ME SRALL E COLLECTED Y THE OPERATOR AND
TEMPNNY Oft PERMANENT STABILIUTIN SHALL BE INITIATED FOLLOWING THE DAY EARTH-GETURBING
NE I (ORMO•E) OF TFOLLOWNGSSOIL PREPAMnON
FORVEGETATON,MULCHING(OROTERTEMPORARY NN-VBGETATVEBMP)11
NSEEDINGFL ING,ORSNEOULINGSTABILIZATIONMEASURETO BE FULLY INSTALLED AND COMPLETED WITHIN
THE 14 DAY TIMEFRAME.
ALL EXPOSED SOILS WITHIN ZBD FEET AND DRAINING TO A ONR PUBLIC WATERS MUST BE STABILIZED WITHIN Za HOURS OF TEMPORARILY OR PERMNENTLY CEASING WORK, DURING THE FISH
SPAWNING PERIOD
PROPERTY DESIGNED ROCK DROH CHECKS, 810 ROCTS I HEP ETG) DO NOT NEED TO SE STABNZED. THESE AREAS HOW EVER MUST BE STABILIZED WITHIN 26 HOURS AFTER Do LONGER
EaOs ON TS OPERATOR SHALL VERIFY DURING REGULAR INSPECTIONS THAT NO GULLIES, RILLS, OR SCOUR HOLES HAVE FORMED UNDER EROSION CONTROL
AIRS MUST BE COMPLETED WITHIN 24 HOURS OF DISCOVERY, OR AS SOON AS FIEUD CONDITIONS ALLOW ACCESS
MULERE, OPERATOR MUST APPLY MULCH IN A UNIFORM PATTERN OVER THE DISTURBED SOILS, TO ACHIEVE A MINIMUM OF — GROUND COVER
� DUST FROM THE SITI IILL 11 CONIRDLLEI UY INCREASED STREET SWEEPING ANDIDIR USING A N DISTURBED A— E MOBILE UNIT 1KPLY L APWATER AT RAT NECESSARY TO PREVENT RUNOFF AND PONDIN{i,BILE PRESSURE TYPE DISTRIBUTOR TRUCK TO APPLY POTABLE WATER TO
BH
� PIPE OUTLETS MUST HAVE TEMPORARY OR PERMANENT ENERGY DISSIPATIN WITHIN � HOURS AFTER HYDRAULIC CONNECTION TO A RECEIVING SUREAGE WATER
CONSTRUCTION ACTRATY REQUIREMENTS: SEDIMENT CONTROL PRACTICES. PROCEDURES. 8 MAINTENANCE STANDARDS
IF E N DOWN.—F-TREATMT SYSTEM IS ND OVFBNOnDR, ADDmOuu UP GRAgEMSEDIMENT CONTROL PRACnCEs OR RFOUANT BMPS MUST BE INSTALLED
TO ELLMINAHHEOVEOnACAO UNOHESwPPP MUSTBEAMNDEOTD I.ENNF� HERE AOONIO PRACTCES
SAGNS
ALL
.E=T' T.`E`.LL%'.'l T`H N IT UT E VAT" LL _IM�IER��.T.T�R.LDELVB�E.�NM��L.E�P-1 ED TR..PI DR M WHEN THEY ECOME —FUNCTIONAL DR THE
CON UNUGNrRFlINE&WlNVE0lATEI_Y AFTER THE SHENUTTERM ACTINY IN THAT AREA IS CON= �'.LGZA'N. PERX27—TE W= EI�1'11 'A HIRE lllATEl,I TERM
To C7
TEN UU OR MOB ALBS OF DISTURBED SOIL GRAIN TO A COMMON LOCATION, AT NPORANYSEDIMENT BASIN MUST BE PROVIDED PRIOR TO
NG N SITE DR DIE WATERS ALL TEMPORARY BASINS SHALL BE EN (10) OR MORE
acaEslu HEE(DISSTTURBED ANN UNOESSIUNNED) oTRaoTrllucmrlaE RASH l,Boo CUBIC
ET OF LIVE STONABE PER ACHEIVGRAINED, WHCHEVEH IS GREATER ATAAMINIMUM 11 CALCUTADINS ARE NOT PRFONMED HE ar 15HALL PROVIDE AVQD CVSC FEET OF uVE STONAGEOF FLOATING DESISS. INCLUDE AN
FROM EACH ACRE THE BASIN INTAKE MUST BE DESIGNED TO WITHDRAW WATER FROM TH E SURFACE. PREVENT SHORT
CIRCU
TIN. AND THE
DISCHARGE
HOLS IMPLEMENTED AND MAINTAINED AT ALLNMR. PILES CANNOT BE PLACED
ATER$ INCLUDING STORMWATEft CONVEYANCES SUCH AS CURBAND GUFTER SYSTEMS, N CONDUIH ND DITCHES UNlE6S THEB I6 A BYPAB6IN PLACE TO
PREVENT STORMWATER RUNON IILKPILIS A-1-STOCKMI-I MUST HAVE SILT FENCE DR
NTO THE STOLIPILE. sTABILZATION ON TEMPOMRY STOLKRlES WRFpUT SIGNIFICANT SILT, CLAT OR ORGANIC GOMFNENTS Is NOT SQUIRED.
SITEEONM5TT NoL I OPERATOR MUST MINIMIZE SEDIMENT FROM LEAVING THE CONSTRUCTION (OR ONTO STREETS WITHIN THE SITE) BY IMPLEMENTING
SUCH SAPS ARE NOT NEOWTE TOMPREVN Eo MELL H. CON! FTENr FROMEBEEG TRACKED ONKS, OR TO TITHE sTREt-T si EMS RUMEO SEDi ENT MUST PE REMOVEO� NOM ALL
LI PnvEO SUaFACE3 (ONONO OFF-SNEIF)
COrvACCEACTwG AU LOLL REEONAL 8TATNg F PRECLUDED TE OVAL AND STAIUUZMRON MUST TAKE E AND OENAL AGNCES ANN RECEIVING NYE WITHIN PPUCABLIPREN MITS PRIOR TO COuoUCTNGCALENDAR DAYS OF NING ANY WORKS. THE ERMTTE9 ARE RESPONSIBLE FOR
INLET PBOTECION ALL STORM GRAIN ETS (INCLUDING DOWNGRADIENT, OFF- TE) MUST BE PROTECTED BY ON APPROPRIATE B �B DDRGIONIND CONSTRUCTION UNTL A L B.DRGES EMOVEWTH
I INLET HAVE BEEN Al'"'gsPOSE ART
OF SEMMRTAT,TArvwOH REPLACE STORM V HOHC'ITTTIOry ON A ROunNE eASISATO ENSUBETDEVCEET PIS FVuv FVNCTIONu PRIOR To THE N—
ENTCBDS° OR GREATER). INLET PROTECTION MAY E REMOVED FORA PARTICULAR INLET IF ASPEgFIC SAFETY CONCERN (STREET FLOODINGFFEED-) HAS SEEN F IDENTIFIED
BY HE PERWIEE(s) DR THE w.SwLnDNAL AUTHON_ E.G. LR,_ TYNOWNSrvIPINNDOT ENGINER). wRITHry CORRESPONDENCE REGARDING THE NEED FOR REMOVAL MUST BE
T6 TGBIDI
DEWAT DEWNG
S
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.•t CALCULATION NOTES
t u • DECISION POINT OFFSET FROM EDGE OF MAJOR ROAD TRAVEL WAY BY 14.5 FEET PER AASHTO GUIDELINES.
f • DESIGN SPEED OF MAJOR ROAD = 30 MPH FROM SOUTH, 40 MPH FROM NORTH.
510-LF SIGHT DISTANCE REQUIRED • CASE B1 - LEFT TURN FROM THE MINOR ROAD I TIME GAP, SINGLE -UNIT TRUCK =9.5 SECONDS + 0.2
SECONDS FOR MAJOR ROAD GRADE. TIME GAP TOTAL = 9.7 SECONDS.
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■ Architecture +En Ineerin +Environmental+Plannin 02B KIDS ISGlnc.com
Engineering g COTTAGE GROVE, MN- 12/02/2022
ISG PROJECT NO. 22-27647
CADRLENAME 27647 SIGHT TRIANGLE EXHIBITS
Sheet Number 2 of 2
DECISION POINT
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570-LF SIGHT DISTANCE REQUIRED—
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STREET
SIGN WITHIN DECISION SIGHT DISTANCE
EXISTING LANDSCAPE WITHIN DECISION SIGHT DISTANCE
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570-LF SIGHT DISTANCE REQUIRED
DECISION SIGHT DISTANCE
CALCULATION NOTES
DECISION POINT IS AT CENTER OF LANE.
DESIGN SPEED OF MAJOR ROAD = 30 MPH FROM SOUTH. 40 MPH FROM NORTH.
TIME GAP FOR DECISION SIGHT DISTANCE = 9.1 SECONDS IN ACCORDANCE WITH
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M Architecture +En ineerin +Environmental+Plannln 02B KIDS ISGlnc.com
Engineering g COTTAGE GROVE, MINKIDS
i27oz7zozz
ISG PROJECT NO.22-27647
CADRLENAME 27GT7SIGH7TRIANG-E EXHIBITS
QBOLTON
& MENK
Real People. Real Solutions.
MEMORANDUM
Date: January 13, 2023
To: Amanda Meyer, P.E.
City Engineer, City of Cottage Grove
From: Bryan T. Nemeth, P.E., PTOE
Subject: 7781 Hardwood Avenue Traffic Study
City of Cottage Grove, MN
Project No.: ON.1129089
I hereby certify that this plan, specification or report was
prepared by me or under my direct supervision, and that I
am a duly Licensed Professional Engineer under the laws
of the State of Minnesota.
By: A",r
Bryan . Nemeth, P.E.
License No. 43354
Date: January 13, 2023
12224 Nicollet Avenue
Burnsville, MN 55337-1649
Ph: (952) 890-0509
Fax: (952) 890-8065
Bolton-Menk.com
H:\COTT\ON1129089\2_Preliminary\C_Reports\Traffic Memorandum
Bolton & Menk is an eaual
Name: 7781 Hardwood Avenue Traffic Study
Date: January 13, 2023
Page: 2
Introduction
This traffic study is being completed to analyze the proposed daycare center development (7781
Hardwood Avenue) near the intersection of Hardwood Avenue and East Point Douglas Road in Cottage
Grove, Minnesota. This includes analyzing the operational and safety impacts of the proposed
development driveway location.
Driveway Location and Sight Line Review
The proposed Daycare Center (11.5K sq. ft building with 33 parking spaces) can be seen in Figure 1,
below. The original site plan placed the driveway to line up with E Pt Douglas Rd as shown below,
however, upon further review of sightlines there were safety concerns with this proposed location if the
intersection remains side street stop controlled as it is today. The primary concern is the sight angles
with an intersection being located in the inside middle of a curve where the sight angles are greater than
90 degrees in both directions (less than 90 degrees from the driveway to the start of the sight triangle -
see attached Figure A in the Appendix). The angles between the driveway and the sight triangles are a
safety concern (61.58° to the driver's departure right and 68.62° to the driver's departure left),
especially when located on the driver's right (left turn out or crossing movements) which require the
driver to turn their head to the right and see past other passengers, the passenger seat, and the door
frame. In contrast, the sight angles looking to the driver's left would require the driver to lean forward
to properly view vehicles.
Figure 1: Original Site Plan (Including driveway at the intersection of East Point Douglas Road)
it
I
I
I
I
With the issues of sight lines in this configuration, an alternative location placing the driveway further to
the north property line along Hardwood Ave was recommended to alleviate the sight line to the exiting
driver's right. A second site plan was developed to help alleviate the difficulty in the field of vision for
that movement. The secondary site plan can be seen in Figure 2, below.
Bolton & Menk is an equal opportunity employer.
Name: 7781 Hardwood Avenue Traffic Study
Date: January 13, 2023
Page: 3
Figure 2: Altered Site Plan (Driveway to daycare shifts 115 feet north of intersection at East Point
Douglas Road)
The altered site plan alleviates some of the sight line concern to the right (see Figure B in the Appendix)
with 72.63° to the driver's departure right and 56.53° to the driver's departure left and would be
preferred over the original driveway location.
Upon further discussion on the driveway location and preference for maintaining one intersection
versus two offset intersections if possible, review of the original location with an all -way stop as an
alternative to moving the driveway may be considered if the all -way stop can be justified. An all -way
stop would eliminate some of the sight line concerns since all traffic is required to stop, but an all -way
stop on a curve is not preferred due to mainline sightlines to the all -way stop control and driver
expectation for an all -way stop to motorists along Hardwood Ave. Further analysis is provided below to
determine if an all -way stop could be applied at this location and if it would operate acceptably.
Existing Conditions
Hardwood Avenue is a four -lane undivided roadway with a 12-foot striped median that transitions to
left turn lanes when applicable. West of the intersection with E Pt Douglas Rd, Hardwood Ave transitions
to a two-lane undivided roadway. Hardwood Avenue has a 40-mph posted speed limit north of the
intersection at E Pt Douglas Rd, and 30 mph posted speed limit east of the intersection. At the existing
intersection of Hardwood Ave at E Pt Douglas Rd, the westbound approach has a left turn lane with 150
feet of storage and the northbound approach (E Pt Douglas Rd) has a short right turn lane with
approximately 75 feet of storage. E Pt Douglas Rd (northbound approach) is currently stop controlled,
while Hardwood Ave has the right of way.
Bolton & Menk is an equal opportunity employer.
Name: 7781 Hardwood Avenue Traffic Study
Date: January 13, 2023
Page: 4
Existing Traffic Volumes
A recent traffic study was completed for potential development and existing traffic operations along
Hardwood Avenue at Hardwood Ct, 80" Street, and the shopping area entrance to the south of 801h
Street. The turning movement counts at Hardwood Ave and Hardwood Ct were used to estimate the
eastbound and westbound thru movements at the study intersection of Hardwood Ave and E Pt Douglas
Rd, in lieu of a turning movement count being conducted. Since the intersection is currently a T-
intersection, the ITE Trip Generation Manual (11th Edition) was used to determine the daily and peak
hour trips on a typical weekday for the apartment buildings that are along E Pt Douglas Rd. The
summary of those trips per site are listed in Table 1, below:
Table 1. Assumed Existing Trips on Northbound Approach
AM
PM
Daily
Site
ITE Code
Entering
Exiting
Entering
Exiting
Entering
Exiting
Senior Adult Housing (85 units)
252
6
11
12
10
138
138
Apartments (184 units)
221
16
53
44
28
418
418
Operational Analysis
The traffic operation analysis for the intersection included an evaluation of existing intersection delay
and Level of Service (LOS). LOS results are described using letters ranging from A to F. These letters
serve to describe a range of operating conditions for different types of facilities. Levels of Service are
calculated based on the Highway Capacity Manual (HCM) 6th Edition, which defines the LOS, based on
control delay. Control delay is the delay experienced by vehicles slowing down as they are approaching
the intersection, the wait time at the intersection, and the time for the vehicle to speed up through the
intersection and enter into the traffic stream. The average intersection control delay is a volume
weighted average of delay experienced by all motorists entering the intersection on all intersection
approaches. The control delay is modeled within the analysis software, Trafficware Synchro and
SimTraffic.
The existing AM and PM peak hour operations are shown in Table 2
Table 2. Existing Traffic Operational Analysis at East Point Douglas Rd
Traffic Dela
sec/veh
Traffic Queuing feet
Peak Hour
Approach
Movement (Delay - LOS)
Approach
(Delay - LOS)
Intersection
(Delay - LOS)
Left Turn
Through
Right Turn
L
T
R
Avg
Max
Avg
Max
Avg
Max
AM Peak
EB
-
0-A
0-A
0-A
1-A
-
-
-
-
WB
2-A
0-A
1-A
25
50
25
50
N B
5 - A
-
3 - A
4 - A
50
75
50
75
50
75
PM Peak
EB
-
0-A
0-A
0-A
1-A
-
-
WB
3-A
1-A
-
2-A
25
1
75
25
75
-
-
NB
7-A
-
3-A
4-A
25
50
25
50
25
50
The existing operations show that the intersection operates with a level of service (LOS) A, with minimal
delay and queueing during both peak hours.
Bolton & Menk is an equal opportunity employer.
Name: 7781 Hardwood Avenue Traffic Study
Date: January 13, 2023
Page: 5
Build Analysis
Background Traffic Growth
In keeping consistent with the most recent studies in this area, the same growth rate and future
volumes used in previous studies in the area were used in this analysis. Using the 2015 MnDOT Average
Daily Traffic (ADT) and 2040 Cottage Grove Comprehension Plan projected ADT on 801h Street at
Hardwood Ave, the background growth rate was determined to be 1.3% per year.
Tria Generation
The Institute of Transportation Engineers (ITE) Trip Generation Manual (111h Edition) was used to
determine the added daily weekday and peak hour trips anticipated with future proposed and potential
development. The total trips generated for the proposed daycare, under construction apartments, and
potential apartments are shown in Table 3 below. See Figure 3 for the location map of the proposed
land development projects in the study area. The proposed development would consist of the daycare
at the intersection of Hardwood Avenue (shown in blue), two apartment buildings to the north of the
intersection between Hardwood Avenue and Harkness Avenue (shown in yellow- under construction
development), and potential apartment buildings to the east and west of the existing senior living on E
Pt Douglas Rd S (shown in orange- considered long-term development).
Bolton & Menk is an equal opportunity employer.
Name: 7781 Hardwood Avenue Traffic Study
Date: January 13, 2023
Page: 6
Table 3. Trips Generated with Under Construction, Potential, and Proposed Development
AM
PM
Daily
Site
ITE Code
Entering
Exiting
Entering
Exiting
Entering
Exiting
Day Care Center
565
30
97
30
17
273
273
Apartments (31 units) - The Views
221
3
9
8
5
71
71
Apartments (171 units) - Cottage Grove Apts
221
15
49
41
26
389
389
Apartments (120 units)
221
10
35
29
18
273
273
Apartments (98 units)
221
9
28
24
15
223
223
Trip Distribution
The trip distribution used in assigning the site traffic for the proposed developments was estimated
using the existing traffic volumes and engineering judgement. All of the trip distribution occurred via
east/west split, as the north and south legs are dead ends to residences or the proposed daycare. Figure
4 shows the breakdown used in previous analysis, which was also assumed for the current analysis.
Figure 4: Trip Distribution
Figure 4 shows how 20% of the traffic from the new development would enter and exit to/from the north
and a combined 80% to/from the south.
Bolton & Menk is an equal opportunity employer.
Name: 7781 Hardwood Avenue Traffic Study
Date: January 13, 2023
Page: 7
Traffic Signal Warrant Analysis
An all -way stop control warrant analysis was conducted for the study intersection. Existing, existing plus
development, and future (2044) traffic volumes were analyzed. The MnMUTCD states that the need for
an all -way stop control shall be considered if one of the following criteria is met:
• Criteria A: Where traffic control signals are justified, an all -way stop can be installed as an
interim measure.
Criteria B: Five or more crashes are reported in a 12-month period that are susceptible to
correction by an all -way stop installation.
• Criteria C: Where:
1. The vehicular volume entering the intersection from the major street approaches
(total of both approaches) averages at least 300 vehicles per hour for any 8 hours of
an average day; and
2. Where the combined vehicular, pedestrian, and bicycle volume entering the
intersection from the minor street approaches (total of both approaches) averages
at least 200 units per hour for the same 8 hours, with an average delay to minor -
street vehicular traffic of at least 30 seconds per vehicle during the highest hour.
but,
3. If the 85th-percentile approach speed of the major street traffic exceeds 40 mph,
the minimum vehicular volume warrants are 70 percent of the values provided in
Items 1 and 2.
• Criteria D: Where no single criterion is satisfied, but where Criteria B, C.1, and C.2 are all
satisfied to 80 percent of the minimum values. Criterion C.3 is excluded from this condition.
The intersection volumes would not meet justification for a signal, so Criteria A is not met. There have
been four crashes at the intersection in the last 10 years with at most two crashes in a 12-month period,
so Criteria B is not met. None of the scenarios meet the volume requirements of the other criteria to
justify an all -way stop. Worksheets are included in the Appendix detailing the warrant analysis.
Operational Analysis
Traffic operations are considered to determine whether there is an operational need to change to all -
way stop control under the existing and proposed future conditions and in support of Criteria C and D.
Traffic operations were analyzed assuming the same geometry as exists today at East Point Douglas Rd
and with the addition of the turn lanes into the proposed daycare. The existing volumes with added
traffic from the proposed development AM and PM peak hour operations are shown in Table 4A
(Original Site Plan) and 413 (Altered Site Plan).
Bolton & Menk is an equal opportunity employer.
Name: 7781 Hardwood Avenue Traffic Study
Date: January 13, 2023
Page: 8
Table 4A. Existing + Development Traffic Operational Analysis (Original Site Plan)
Traffic Delay
(sec/veh)
Traffic Queuing (feet)
Peak Hour
Approach
Movement (Delay - LOS)
L T I R
Approach
(Delay - LOS)
Intersection
(Delay - LOS)
Left Turn
Through
Right Turn
Avg
Max
Avg
Max
Avg
Max
AM Peak
EB
2-A
0-A
0-A
1-A
2-A
25
25
25
25
WB
2-A
0-A
0-A
1-A
25
50
-
-
N B
6- A
6- A
3- A
4- A
50
75
50
75
50
75
S B
6 - A
10 - B
3 - A
6 - A
50
75
50
75
50
75
PM Peak
EB
3-A
0-A
0-A
1-A
1-A
25
25
25
25
-
-
WB
3-A
0-A
0-A
1-A
25
50
-
-
-
-
NB
9-A
10-B
4-A
6-A
25
75
25
75
25
75
SB
8-A
8-A
3-A
7-A
25
50
25
50
25
50
Table 413. Existing + Development Traffic Operational Analysis (Altered Site Plan)
Traffic De
ay sec/veh
Traffic Queuing feet
Peak
Hour
Intersection
Approach
Movement (Delay - LOS)
Approach
(Delay - LOS)
Intersection
(Delay - LOS)
Left Turn
Right Turn
L
T
R
Avg
Max
Avg
Max
Hardwood Ave at East Point
Douglas
Side -Street Stop Controlled
EB
-
1-A
1-A
1-A
-
-
WB
2-A
0-A
1-A
25
25
NB
5 - A
3 - A
4 - A
50
75
50
75
AM
Hardwood Ave at Daycare
Driveway
Side -Street Stop Controlled
WB
6-A
6-A
6-A
2-A
25
75
25
75
NB
-
0-A
0-A
0-A
-
-
-
-
SB
4-A
0-A
-
1-A
0
25
Hardwood Ave at East Point
Douglas
Side -Street Stop Controlled
EB
-
1-A
0-A
1-A
1-A
-
-
WB
2-A
0-A
-
1-A
25
50
NB
7-A
3-A
4-A
25
50
25
50
PM
Hardwood Ave at Daycare
Driveway
Side -Street Stop Controlled
WB
8-A
7-A
8-A
1-A
25
75
25
75
NB
0-A
0-A
0-A
-
-
-
-
SB
3-A
I 0-A
1-A
0
25
-
-
The future year (2044) analysis AM and PM peak hour operations are shown in Table 5A (Original Site
Plan) and 513 (Altered Site Plan).
Table 5A. Future Year (2044) Traffic Operational Analysis (Original Site Plan)
Traffic Delay
(sec/veh)
Traffic Queuing (feet)
Peak Hour
Approach
Movement (Delay - LOS)
L T R
Approach
(Delay - LOS)
Intersection
(Delay - LOS)
Left Turn
Through
Right Turn
Avg
Max
Avg
Max
Avg
Max
AM Peak
EB
2-A
0-A
0-A
1-A
2-A
25
25
25
25
WB
2-A
0-A
0-A
1-A
25
50
-
-
NB
9-A
9-A
4-A
6-A
50
100
50
100
50
100
SB
8-A
9-A
4-A
8-A
50
100
50
100
50
100
PM Peak
EB
3-A
0-A
0-A
1-A
2-A
25
25
25
25
0
25
WB
3-A
1-A
0-A
2-A
25
50
-
-
-
-
N B
14 - B
13 - B
4 - A
6 - A
50
75
50
75
50
75
SB
11-B
11-B
4-A
10-B
25
50
25
50
25
50
Bolton & Menk is an equal opportunity employer.
Name: 7781 Hardwood Avenue Traffic Study
Date: January 13, 2023
Page: 9
Table 513. Future Year (2044) Traffic Operational Analysis (Altered Site Plan)
Traffic De
ay sec/veh
Traffic Queuing feet
Peak
Hour
Intersection
Approach
Movement (Delay - LOS)
Approach
(Delay - LOSI
Intersection
(Delay - LOS)
Left Turn
Right Turn
L
T
R
Avg
Max
Avg
Max
Hardwood Ave at East Point
Douglas
Side -Street Stop Controlled
EB
-
1-A
0-A
1-A
2-A
-
WB
2-A
0-A
-
1-A
25
50
NB
7-A
4-A
5-A
50
75
50
75
AM
Hardwood Ave at Daycare
Driveway
Side -Street Stop Controlled
WB
7-A
6-A
7-A
2-A
25
75
25
75
NB
-
0-A
0-A
0-A
-
-
-
-
SB
3-A
0-A
-
1-A
25
25
-
-
Hardwood Ave at East Point
Douglas
Side -Street Stop Controlled
EB
-
1-A
0-A
1-A
1-A
-
-
0
25
WB
3-A
1-A
-
2-A
25
50
-
-
NB
11-B
4-A
6-A
50
75
50
75
PM
Hardwood Ave at Daycare
Driveway
Side -Street Stop Controlled
WB
9-A
6-A
9-A
1-A
25
75
25
75
NB
0-A
0-A
0-A
-
-
-
-
I SB
3-A
I 0-A
1-A
0
25
-
-
Both Tables 4 (A&B) and 5 (A&B) show acceptable delay during the peak hours with the proposed side -
street stop control under either driveway location. The intersection and all movements operate with
LOS A, and traffic queues are minimal during both peak hour and both scenarios analyzed. This indicates
that there is not an operational need to implement all -way stop control.
Recommendation
The location of the driveway for the proposed daycare center is recommended to be placed at the
second suggested location (Altered Site Plan), northwest of the intersection at E Pt Douglas Rd. With the
driveway shifted to the north sightlines are improved for the view angle to the right (north) where traffic
speeds are higher and slightly worse view angle to the left (east) where the sight line concern is less, and
speeds are lower. The driveway is not recommended to line up with E Pt Douglas Rd with side street
stop control due to the sight line concerns.
All -way stop control is not recommended to alleviate the sightline concerns with the driveway lining up
with E Pt Douglas Rd as the criteria outlined in the MnMUTCD to justify an all -way stop is not met. An
unwarranted all -way stop is not recommended for several reasons listed below outlined in the Local
Road Research Board (LRRB) Report "Addressing Citizen Requests for Traffic Safety Concerns":
• Unwarranted stop signs can lead to an increase in crashes due to driver behavior
• Unwarranted stop signs can lead to an increase in speed between intersections to reduce lost
time stopping at the stop sign.
• Improperly applied or installed stop signs have poor compliance rates and may create driver
confusion.
• Poor compliance rate could lead to further safety issues based on driver behavior and driver
expectancy.
• Installing a stop sign could create a false sense of security for motorists, pedestrians, and
cyclists.
Bolton & Menk is an equal opportunity employer.
Appendix
Bolton & Menk is an equal opportunity emptoyer.
Sheet Number 1 Of 2
430-LF SIGHT DISTANCE
r
DEPARTURE SIGHT TRIANGLES
44F
�b41lth
CALCULATION NOTES
• DECISION POINT OFFSET FROM EDGE OF MAJOR ROAD TRAVEL WAY BY 14.5 FEET PER AASHTO GUIDELINES.
• DESIGN SPEED OF MAJOR ROAD = 30 MPH.
• CASE B1 - LEFT TURN FROM THE MINOR ROAD I TIME GAP, SINGLE -UNIT TRUCK =9.5 SECONDS + 0.2
SECONDS FOR MAJOR ROAD GRADE. TIME GAP TOTAL = 9.7 SECONDS.
t • CASE B2 - RIGHT TURN FROM THE MINOR ROAD TIME GAP, SINGLE -UNIT TRUCK=8.5 SECONDS.
V
Mq
a 1 r 1:7
:s
- s ',x � - ,fir ,� .: f.:�:,�; ;f:�� ,� J rJ> � � ,�; �.�: •�
All
IJ
_
EX TIN LANDSCAPE k, I THIN DEPARTURE01
§ e= DECISION POINT
i
SIGN WITHIN DEPARTURE f I
X
STREET LIGHT WITHIN DEPARTURE
375-FT SIGHT DISTANCE REQUIRED
r.
Wit•
w ;a,
FIGURE A /N\
■ Architecture +En Ineerin +Environmental+Plannin 02B KIDS ISGlnc.com
Engineering g COTTAGE GROVE, MN- 10/2]/2022
ISG PROJECT NO. 22-27647
CADRLENAME 27647 SIGHT TRIANGLE EXHIBITS
Sheet Number 1 of 2
.•t CALCULATION NOTES
t u • DECISION POINT OFFSET FROM EDGE OF MAJOR ROAD TRAVEL WAY BY 14.5 FEET PER AASHTO GUIDELINES.
f • DESIGN SPEED OF MAJOR ROAD = 30 MPH FROM SOUTH, 40 MPH FROM NORTH.
510-LF SIGHT DISTANCE REQUIRED • CASE B1 - LEFT TURN FROM THE MINOR ROAD I TIME GAP, SINGLE -UNIT TRUCK =9.5 SECONDS + 0.2
SECONDS FOR MAJOR ROAD GRADE. TIME GAP TOTAL = 9.7 SECONDS.
• CASE B2 - RIGHT TURN FROM THE MINOR ROAD TIME GAP, SINGLE -UNIT TRUCK=8.5 SECONDS.
•I s 'r `r Flu'# �` .' � . "� ff_ .` t :�
- - STREET LIGHT WITHIN DEPARTURE ti '►� .� ` '
i I •
" SIGN WITHIN DEPARTURE
j-
72.63, DECI POINT
\ 56.53' t
t t
-EwpowpiSIGN WITHIN DEPARTURE
STREET LIGHT WITHIN DEPARTURE
SIGN WITHIN DEPARTURE
STREET LIGHT WITHIN DEPARTURE
�ho r EXISTING LANDSCAPE WITHIN DEPARTURE
DEPARTURE SIGHT TRIANGLES
FIGURE B /N\
■ Architecture +En Ineerin +Environmental+Plannin 02B KIDS ISGlnc.com
Engineering g COTTAGE GROVE, MN- 12/02/2022
ISG PROJECT NO. 22-27647
CADRLENAME 27647 SIGHT TRIANGLE EXHIBITS
BO LTO N
" & MENK
ALL WAY STOP WARRANT ANALYSIS
FOR
Real People. Real Solutions.
Hardwood Ave at East Point Douglas Rd
Cottage Grove, Minnesota
Existing Conditions Analysis
LOCATION: Hardwood Ave at East
Point Douglas Rd
COUNTY: Washington
REF. POINT:
Speed Approach Description
Lanes
DATE: 1/9/2023
30 Major App1: Westbound- Hardwood Avenue
2
40 Major App3: Eastbound- Hardwood Avenue
2
OPERATOR: CW
30 MinorApp2: Northbound- East Point Douglas Road
1
30 MinorApp4: Southbound- Daycare
1
0.70 FACTOR USED? No
300
200
HOUR
MAJOR
MAJOR
MINOR
MINOR
MAJOR TOTAL
E (APP. 1 & APP. 3)
MINOR TOTAL
APP. 2 + APP. 4
WARRANT
MET
0:00 - 1:00
5
150
1
155
1
/
1:00 - 2:00
6
15
0
21
0
/
2:00 - 3:00
5
0
0
5
0
/
3:00 - 4:00
3
0
0
3
0
/
4:00 - 5:00
2
0
0
2
0
/
5:00 - 6:00
9
0
0
9
0
/
6:00 - 7:00
38
0
1
38
1
/
7:00 - 8:00
41
30
1
71
1
/
8:00 - 9:00
70
15
3
85
3
/
9:00 - 10:00
88
47
8
135
8
/
10:00 - 11:00
102
139
16
241
16
/
11:00 - 12:00
126
155
29
281
29
/
12:00 - 13:00
180
173
51
353
51
X/
13:00 - 14:00
174
233
58
407
58
X/
14:00 - 15:00
151
154
47
305
47
X/
15:00 - 16:00
145
126
52
271
52
/
16:00 - 17:00
170
156
46
326
46
X/
17:00 - 18:00
202
79
55
281
55
/
18:00 - 19:00
179
244
46
423
46
X/
19:00 - 20:00
142
109
48
251
48
/
20:00 - 21:00
136
141
48
277
48
/
21:00 - 22:00
101
49
31
150
31
/
22:00 - 23:00
1 64
31
18
95
18
/
23:00 - 24:00
1 21
15
5
36
5
/
Allway Stop Warrant
REMARKS:
Met (Hr) Required (Hr)
0 8 Not satisfied
BO LTO N
" & MENK
ALL WAY STOP WARRANT ANALYSIS
FOR
Real People. Real Solutions.
Hardwood Ave at East Point Douglas Rd
Cottage Grove, Minnesota
Existing + Development Analysis
LOCATION: Hardwood Ave at East
Point Douglas Rd
COUNTY: Washington
REF. POINT:
Speed Approach Description
Lanes
DATE: 1/9/2023
30 Major App1: Westbound- Hardwood Avenue
2
40 Major App3: Eastbound- Hardwood Avenue
2
OPERATOR: CW
30 MinorApp2: Northbound- East Point Douglas Road
1
30 MinorApp4: Southbound- Daycare
1
0.70 FACTOR USED? No
300
200
HOUR
MAJOR
MAJOR
MINOR
MINOR
MAJOR TOTAL
E (APP. 1 & APP. 3)
MINOR TOTAL
APP. 2 + APP. 4
WARRANT
MET
0:00 - 1:00
7
14
2
9
21
11
/
1:00 - 2:00
12
7
0
4
19
4
/
2:00 - 3:00
9
5
0
20
14
20
/
3:00 - 4:00
4
1
0
2
5
2
/
4:00 - 5:00
2
4
0
1
6
1
/
5:00 - 6:00
11
8
0
0
19
0
/
6:00 - 7:00
45
49
1
1
94
2
/
7:00 - 8:00
52
76
1
2
128
3
/
8:00 - 9:00
90
126
3
5
216
8
/
9:00 - 10:00
109
114
9
7
223
16
/
10:00 - 11:00
133
139
16
24
272
40
/
11:00 - 12:00
163
136
30
38
299
68
/
12:00 - 13:00
233
211
53
51
444
104
X/
13:00 - 14:00
226
218
60
53
444
113
X/
14:00 - 15:00
198
169
51
60
367
111
X/
15:00 - 16:00
197
186
55
71
383
126
X/
16:00 - 17:00
221
189
48
52
410
100
X/
17:00 - 18:00
263
215
58
48
478
106
X/
18:00 - 19:00
242
198
47
66
440
113
X/
19:00 - 20:00
189
177
48
56
366
104
X/
20:00 - 21:00
172
141
49
64
313
113
X/
21:00 - 22:00
125
117
32
16
242
48
/
22:00 - 23:00
1 78
46
19
13
124
32
/
23:00 - 24:00
1 29
34
5
12
63
17
/
Allway Stop Warrant
REMARKS:
Met (Hr) Required (Hr)
0 8 Not satisfied
BO LTO N
" & MENK
ALL WAY STOP WARRANT ANALYSIS
FOR
Real People. Real Solutions.
Hardwood Ave at East Point Douglas Rd
Cottage Grove, Minnesota
Future Year (2044) Analysis
LOCATION: Hardwood Ave at East
Point Douglas Rd
COUNTY: Washington
REF. POINT:
Speed Approach Description
Lanes
DATE: 1/9/2023
30 Major App1: Westbound- Hardwood Avenue
2
40 Major App3: Eastbound- Hardwood Avenue
2
OPERATOR: CW
30 MinorApp2: Northbound- East Point Douglas Road
1
30 MinorApp4: Southbound- Daycare
1
0.70 FACTOR USED? No
300
200
HOUR
MAJOR
MAJOR
MINOR
MINOR
MAJOR TOTAL
E (APP. 1 & APP. 3)
MINOR TOTAL
APP. 2 + APP. 4
WARRANT
MET
0:00 - 1:00
9
16
3
9
25
12
/
1:00 - 2:00
14
9
1
4
23
5
/
2:00 - 3:00
11
7
1
20
18
21
/
3:00 - 4:00
5
1
0
2
6
2
/
4:00 - 5:00
3
5
1
1
8
2
/
5:00 - 6:00
14
10
1
0
24
1
/
6:00 - 7:00
62
61
2
1
123
3
/
7:00 - 8:00
70
95
2
2
165
4
/
8:00 - 9:00
122
156
7
5
278
12
/
9:00 - 10:00
152
143
18
7
295
25
/
10:00 - 11:00
185
174
31
24
359
55
X/
11:00 - 12:00
229
171
59
38
400
97
X/
12:00 - 13:00
328
264
104
51
592
155
X/
13:00 - 14:00
317
273
119
53
590
172
X/
14:00 - 15:00
277
210
103
60
487
163
X/
15:00 - 16:00
274
232
109
71
506
180
X/
16:00 - 17:00
308
237
94
52
545
146
X/
17:00 - 18:00
367
267
114
48
634
162
X/
18:00 - 19:00
334
246
91
66
580
157
X/
19:00 - 20:00
264
222
94
56
486
150
X/
20:00 - 21:00
242
177
97
64
419
161
X/
21:00 - 22:00
176
147
65
16
323
81
X/
22:00 - 23:00
1 110
58
37
13
168
50
/
23:00 - 24:00
1 39
42
10
12
81
22
/
Allway Stop Warrant
REMARKS:
Met (Hr) Required (Hr)
0 8 Not satisfied