10-21-96 WSFEASIBILITY REPORT
FOR
PROPOSED BITUMINOUS STREET
RECONSTRUCTION OF
85TH STREET
OTSEGO, MINNESOTA
Prepared by:
HAKANSON ANDERSON ASSOCIATES, INC.
3601 Thurston Avenue
Anoka, Minnesota 55303
Telephone: (612) 427-5860
I hereby certify that this Plan, Specification, or Report was prepared by me -or under
my direct supervision and that I am a duly Registered Professional Engineer under State
of Minnesota -Statutes 32.6.02 to 326.16.
ce G. KoshakV, PE
Kevin P. Kielb, PE
OT332.rpt
//(96/ 1911
Reg. No. Date
Z3z>> C h 9Ag
Reg. No. Date
CONTENTS
PROJECT DESCRIPTION.......................................1
II STUDY AREA BOUNDARY......................................1
III ROADWAY IMPROVEMENT PROJECT .............................. 1
A
Existing Conditions .......................................
1
B
Proposed Improvements...................................2
C
Estimated Costs .........................................
3
D
Financing and Assessments .................................
4
1 MSA Account......................................4
2 Assessment Policy ..................................
5
3 Projected Roadway Assessments
........................ 6
IV STORM SEWER IMPROVEMENT PROJECT ...........................
8
A
B
C
D
E
F
G
85th Street Storm Sewer ..................................
Halls Pond Area Improvements ..............................
Storm Sewer Assessments................................12
Projected Funding Balance.................................13
Special Considerations - Storm Sewer
Sequencing of Improvements ..............................14
Sub -Regional and Local Improvements
8
9
........................13
........................ 14
1 Pond in NW/4 of SW'/+ of Section 21 .................... 14
2 Vasseur's Oak Grove Estates 3rd Addition Improvements ...... 15
3 Vasseur's Oak Grove Estates 2nd Addition East Improvements ... 16
4 Vasseur's Oak Grove Estates 2nd Addition West Improvements .. 17
5 Area west of OTSEGO Acres 1 st Addition Improvements ...... 18
6 Area west of Vasseur's Oak Grove Estates Improvements ...... 19
7 Otsego Acres and Vasseur's Oak Grove Estates Improvements ... 20
8 Vasseur's Oak Grove Estates 3rd Addition Pond Improvements 21
9 Area 5A and 5B (North Odean Avenue) Improvements ........ 22
H Assessments for Sub -Regional and Local Improvements ............ 23
1 Direct Benefit Assessment ............................ 23
2 Uniform Assessment .............. ............ ...... 24
V PROJECT SCHEDULE........................................26
CONCLUSIONS AND RECOMMENDATIONS ......................... 26
APPENDIX A
Exhibit A
Exhibit B
Exhibit C
Exhibit D
Exhibit E
Exhibit F
Exhibit G
Exhibit H
Exhibit I
Exhibit J
Exhibit K
Exhibit L
Exhibit M
Exhibit N
Exhibit 0
Exhibit P
APPENDIX B
ATTACHMENTS
- Project Location and Halls Watershed District Boundary
- -Typical MSA Urban Street Section
- Roadway Construction Benefitting Properties
- Hall's Pond Watershed
- 85th Street Storm Sewer and Area of Benefit
- Regional Pond and Area of Benefit
- Areas removed from or routed away from Hall's Pond
- Sub -regional Pond in Area 3B and area of benefit
- Area 3A Storm Sewer and area of benefit
- Area 5H Storm Sewer and area of benefit
- Area 4J Storm Sewer and area of benefit
- Area 2C Storm Sewer and area of benefit
- Area 4A and 4K Storm Sewer and area of benefit
- Area 4C, 4D, 4E, 4F, and 4G Storm Sewer and area of benefit
- Area 4B Storm Sewer and are of benefit
- Area 5A and 5B Storm Sewer and area of benefit
RESOLUTION ORDERING HEARING AND ADDITIONAL WORK
I. OBJECTIVE
The objective of this report is to determine the feasibility of upgrading 85th
Street from Page Avenue to Nashua Avenue to Municipal State Aid (MSA)
Standards. This study will also analyze the feasibility of constructing storm
sewer improvements for areas tributary to the 85th Street storm, sewer
system. This study will analyze existing conditions, required improvements,
funding sources, and assessment policies. The study area boundary is
depicted on Exhibit A.
II. PROJECT LOCATION
The roadway portion of the project is located within Sections 20, 21, and 22,
Township 121 N, Range 23W, in Otsego, Minnesota.
The roadway location, along with the Halls Pond Watershed District boundary,
is depicted on Exhibit A at the back of this report.
III. ROADWAY IMPROVEMENT PROJECT
A. Existing Conditions
The project consists of improving 85th Street from Page Avenue to
approximately 700 feet east of Nashua Avenue. The project termini are
the extents of previous MSA projects which improved 85th Street to
MSA Standards.
85th Street is a 24 foot wide paved rural design street with ditch
sections and culverts to provide drainage. The existing shoulders
consist of 0.5' to 2' of topsoil in some areas, and are non-existent in
others. Odean Avenue traverses the street, separating it into east and
west segments. The West segment is located between Nashua Avenue
and Odean Avenue and is designated as MSA route 217-102-015. The
east segment is located between Page Avenue and Odean Avenue and
designated as MSA route 217-102-020. The west segment is
approximately 5,000 lineal feet. The east segment is approximately
4,025 lineal feet. Both segments of roadway have exhibited signs of
pavement distress in recent years. The western segment has required
patching in recent years to replace areas of severe alligator cracking.
The alligator cracking is caused by structural failure of the roadway
section, and may be attributable to the poor subgrade materials.
1
The soils in the project area appear to vary from fine sands, to sandy
loams, to loams. Inclusions of silty clay loams were noted in the
section of 85th Street between Nashua Avenue and Odean Avenue.
The subgrade soils are thought to be generally unsuitable for roadway
construction. Test borings must be performed during the design phase
of the project to determine the exact subsoil characteristics.
The National Wetland Inventory (NWI) Maps indicate that several of the
low areas within the existing right-of-way are Wetland Conservation Act
of 1991 (WCA) wetlands. These areas will require special attention
during the project design phase. The wetland areas must be delineated
and work must be performed within the guidelines of the WCA.
The existing ROW is 66 feet along the length of the roadway. There
are no known drainage and utility easements located adjacent to the
ROW.
The roadway profile exhibits sharp vertical curves, reducing site
distances in some areas. Site distance is also limited at several
roadway intersections along the project length due to horizontal
obstructions, primarily tree growth.
The average daily traffic along the roadway is expected to increase in
the near future due to proposed development work. An executive style
golf course is planned for the NW %4 of the SE %4 of Section 20. A
residential development is in the conceptual stage for the NW %4 of the
SW %4 of Section 21. Both developments, when completed, will cause
an increase in traffic to 85th Street, and may burden the capacity of the
roadway as it exists.
B. Proposed Improvements
The project involves constructing the roadway to Municipal State Aid
(MSA) Standards. 85th Street is proposed to be a 44 foot wide urban
design section with concrete curb and gutter. Provisions for future
sidewalks would be made within a 5' wide boulevard area. Provisions
would also be made to allow for grading for a future bike -path on one
side of the road.
The typical design section will consist of a 3%" bituminous surface
over 6" of Class 5 aggregate base course. A 2' layer of clean sand will
be placed below the aggregate base to provide structural support where
2
C«
subgrade soils are determined to be inadequate for roadway
construction. Exhibit B depicts a typical MSA -urban design section.
Right-of-way purchase will be required to expand the ROW from 66' to
80'. Slope easements and temporary construction easements will be
required to allow for roadway construction. The extents of the
easements will be determined during the design phase of the project.
Estimated Costs
Costs for street construction were analyzed for each segment of the
proposed 85th Street. Our cost estimates are as follows:
Table 111-1
85th Street
Odean Avenue to Nashua Avenue
MSA Segment 217-102-015
Cost Estimate
Item
Common Excavation and Subgrade_ Prep
Class 5 Aggregate Base Course
Bituminous Surfacing
Concrete Curb and Gutter
Erosion Control
Revegetation
Signs and Markings
Total Estimated Construction Cost
Construction Contingency at 10%
ROW Acquisition
Overhead at 20%
TOTAL ESTIMATED PROJECT COST
K3
Estimated
Cost
$262,400
82,200
132,500
70,000
22,500
71,000
8.500
$649,100
64,910
44,250
43.730
$801,990
A
Table III -2
85th Street
Page Avenue to Odean Avenue
MSA Segment 217-102-020
Cost Estimate
Estimated
Lt�m Cost
Common Excavation and Subgrade Prep
$135,000
Class 5 Aggregate Base Course
66,300
Bituminous Surfacing
106,500
Concrete Curb and Gutter
57,000
Erosion Control
16,100
Revegetation
46,900
Signs and Markings
7.500
Total Estimated Construction Cost $435,300
Construction Contingency at 10% 43,530
ROW Acquisition 35,600
Overhead at 20% 78 .060
TOTAL ESTIMATED PROJECT COST $ 601,490
Financing and Assessments
MSA Account
The portion of 85th Street analyzed is currently on the City of
Otsego's MSA system. The MSA segment designations are 217-
102-015 (Odean Avenue to Nashua Avenue) and 217-102-020
(Page Avenue to Odean Avenue). The roadway qualifies for MSA
funding for construction, ROW acquisition, and engineering
services. The unencumbered balance in the MSA construction
account as of September 6, 1996 was $629,191.57. An
amount of $4,671.28 is encumbered pending closeout of the
CSAH37 and Odean Avenue intersection realignment project
(MSA projects 217-105-01 and 217-020-02). In addition,
approximately $25,400 has yet to be requested from MSA for
ROW acquisition for that project. The actual MSA construction
funds available at this time are estimated at $603,791.57. The
City receives MSA allotments annually, 25% of which are
0
designed for maintenance. The remaining 75% are for utilization
for construction activities. The 1996 MSA construction
allotment was $229,489. MSA allotments are determined based
upon population and roadway mileage within the City. The
recent dissolution of Frankfort Township- resulted in a net gain of
population and roadway mileage for the City of Otsego. This
could provide for an increase in the total annual MSA allotment
in the City receives. For purposes of this report, however, we
have conservatively assumed that the 1997 allotment will be
similar to the 1996 allotment.
MSA allows City's advancements on funds for construction. The
lesser of three years allotment or $500,000 can be advanced to
Municipalities for construction projects. The maximum the City
of Otsego could advance is $500,000. This is approximately 2%2
years of construction funds. As a result of this advance, the City
would not receive the construction allotment in 1998 and 1999.
The year 2000 construction allotment would be approximately
$100,000. The advance in funds would not affect the
maintenance allotment. The following table depicts the
theoretical maximum MSA funding available for this project: -
Table III -3
City of Otsego
Estimated MSA Construction Funds
Present unencumbered amount $629,191.00
Yet to be requested for CSAH37 ROW < 25,400.00>
Theoretical 1997 apportionment ap33(P
Potential advancement of funds 500,000.00
Total Theoretical MSA Construction Funds
Available $.3 9
2. Assessment Policy
The City of Otsego's Assessment Ordinance sets guidelines for
determining assessment amounts for properties which abut MSA
designated and eligible streets. The ordinance indicates that
abutting properties shall be assessed for the costs of a typical
street and any additional costs shall be paid for by the City.
Because the roadway is located within the Urban Service Area,
the typical roadway section would consist of a 34 foot wide
5
3
roadway with bituminous berms and 5' wide boulevards. Our
estimated lineal foot cost for this type of roadway is as follows:
Table III -4
City of Otsego
Estimated Construction Costs
Typical Urban Roadway Section
I -u
Common Excavation and Subgrade Prep
Class 5 Aggregate Base Course
Bituminous Surfacing with Curb
Erosion Control
Revegetation
Signs
Total Estimated Construction Cost
Overhead and Contingency at 25%
Estimated
Cost per Lineal Foot
$1.90
8.50
20.50
2.35
8.75
0.90
$42.90
10.73
TOTAL ESTIMATED PROJECT COST PER LF $53.63
By dividing the total estimated project cost by two, an
assessment value per front foot of property is obtained. The
estimated cost per front foot of property was determined to be
$26.82.
Projected Roadway Assessments _
Potential roadway assessments were determined based upon
property access to 85th Street. Table III -5 was generated based
upon half -section maps and costs described in section III -D-2.
Where front footage could not be obtained from half -section
maps, the distances were estimated based on aerial topography
maps. The benefitting properties for the roadway construction
portion of the project are depicted on Exhibit C.
Based upon a front foot cost of $26.82, and a total assessable
front footage of 12,597.92, the total potential revenue from
street assessments was determined to be $337,876.21.
101
TABLE III -5
City of Otsego
85th Street Improvement Project
Estimated Roadway Assessments
Cost'
LQ t
Block
Subdivision
Front
Cost
Total
Per
Footage
Per FF
Cost
1��
1
1
James Addition
160.00
$26.82
$4,291
$639
2
1
James Addition
160.00
26.82
4,291
639
3
1
James Addition
160.00
26.82
4,291
639
4
1
James Addition
160.00
26.82
4,291
639
5
1
James Addition
160.00
26.82
4,291
639
6
1
James Addition
160.00
26.82
4,291
639
7
1
James Addition
155.00
26.82
4,157
620-
A of
NW A
Section 22
1,340.00
26.82
35,939
5356
5
3
Hall's Addition
200.00
26.82
5,364
799
6
3
Hall's Addition
200.00
26.82
5,364
799
Y4 of
NE Y4
Section 21
1,300.00
26.82
34,866
5196
10
1
Vasseur's Oak Grove Estates
267.00
26.82
7,161
1067
2
1
Vasseur's Oak Grove Estates
250.00
26.82
6,705
999
3
1
Vasseur's Oak Grove Estates
250.00
26.82
6,705
999
4
1
Vasseur's Oak Grove Estates
250.00
26.82
6,705
999
5
1
Vasseur's Oak Grove Estates
250.00
26.82
6,705
999
3
1
Vasseur's Oak Grove Estates
250.00
26.82
6,705
999
7
1
Vasseur's Oak Grove Estates
218.40
26.82
5,857
873
8
1
Vasseur's Oak Grove Estates
217.00
26.82
5,820
867
1
4
Vasseur's Oak Grove Estates
367.00
26.82
9,843
1467
28
2
Vasseur's Oak Grove Estates 1 st Add
300.00
26.82
8,046
1 199
10
1
Vasseur's Oak Grove Estates 2nd Add 258.52
26.82
6,934
1033
E A of
SW Y4
Section 21
660.00
26.82
17,701
2638
Y4 of
SW Y4
Section 21
2,010.00
26.82
53,908
8034
3726
85th St
Section 20
300.00
26.82
8,046
1 199
3776
85th St
Section 20
300.00
26.82
8,046
1 199
3830
85th St
Section 20
300.00
26.82
8,046
1 199
3882
85th St
Section 20
300.00
26.82
8,046
1 199
3922
85th St
Section 20
270.00
26.82
7,241
1079
3984
85th St
Section 20
275.00
26.82
7,376
1099
Y4 of
SE Y4
Section 20
1,150.00
26.82
30,843
4597
Total Estimated Amount
from Roadway Assessments
Based on equal annual
payments for 10 years at an interest rate of 8%.
$337,876
N
IV. STORM SEWER IMPROVEMENT PROJECT
The proposed roadway improvements will occur primarily in the Hall's Pond
Watershed area. The long range watershed improvements must be considered
for the design of the 85th Street improvements. The 85th Street storm sewer
will serve as a trunk facility to convey stormwater from the Hall's Watershed
to the Hall's Pond area. Additional improvements to the Hall's Pond
Watershed are required to correct local drainage problems. Subarea
descriptions utilized in this report represent the same areas as detailed in the
Storm Water Drainage Report prepared in 1995 for this area. Exhibit D depicts
the Hall's Pond Watershed and associated subareas. Exhibit D also depicts the
physical and proposed political boundaries of the watershed. A brief analysis
of the recommended storm sewer system improvements are as follows:
A. 85th Street Storm Sewer
The storm sewer system in 85th Street will be sized as a trunk storm
sewer facility. A storm drainage system must be constructed to carry
the stormwater from the proposed urban design street section.
Oversizing of the storm sewer is recommended to account for future
local improvements within the Hall's Pond Watershed. A preliminary
storm sewer design was completed based upon data included in a
Stormwater Drainage Report prepared in 1995 for the Hall's Pond
Watershed. The construction costs for the storm sewer was estimated
at $98,527 for the area between Page Avenue and Odean Avenue and
$138,050 for the area between Odean Avenue and Nashua Avenue.
The 85th Street storm sewer and area of benefit are depicted on Exhibit
E. Estimated project costs for the storm sewer are listed below:
Table IV -1
City of Otsego
85th Street Storm Sewer
Estimated Costs
Estimated Construction Cost
Construction Cont. @ 10%
Overhead @ 20%
Total Estimate Project Cost
:
Page to
Odean to
Odean
Nasha
Total
$98,527
$138,050
$236,577
9,853
13,805
23,658
19,705
27,61047.315
$128,085 $179,465 $307,550
B. Hall's Pond Area Improvements
Construction of the 85th Street storm sewer will increase the rate and
volume of water entering the Hall's Pond area. Hall's Pond is presently
at or near full capacity, meaning improvements would have to be made
to the pond area to allow for the extra stormwater. The low water level
of Hall's Pond is set by the Department of Natural Resources (DNR) to
insure that a minimum surface area of the pond is maintained. The high
water elevation is governed by the low floor elevations of surrounding
residences to insure flooding does not occur. The difference in these
elevations is presently 1.5 feet. This is the allowable "bounce" in the
pond. This bounce is very small and causes a significant hinderance to
routing additional stormwater to the pond. The existing outlet from the
pond is a 24" RCP pipe, 7,586 feet in length, and at a slope of 0.12%.
The pipe discharges to the Mississippi River at a point north of the
Mississippi Shores Addition. The present capacity of the pipe is
approximately 8.5 cfs at maximum allowable pond elevation. Several
options were analyzed to allow for added stormwater to the Hall's Pond
area. These options are described below:
1 . Construct a regional pond in the SW %4 of the '/4 of Section 21
This alternative allows for full development of the Hall's Pond
Watershed with restrictions as described ins Section IV -E of this
report. The excavation work would be performed in conjunction
with the 85th Street roadway project. A portion of the material
excavated would be utilized as clean fill for the 85th Street
roadways, and the remaining material would be hauled off-site or
graded into the pond easement area. Approximately 110,000
cubic yards of material would be excavated. The project would
also include site grading, topsoil import, re -vegetation, and
landscaping. Our estimated costs for this project are as follows:
41
2.
3.
Table IV -2
City of Otsego
Regional Pond
Cost Estimate
Construction
Easement Acquisition
Construction Contingency @ 10%
Overhead @ 20%
Total Project Cost
$175,000
32,500
17,500
35.000
$260,000
The costs shown consider simultaneous roadway construction
and pond construction. Pond construction costs will increase if
the pond is constructed as a separate project.
Purchase Surrounding Residences
This alterative would allow for increasing the high water level of
Hall's Pond to provide increased storage volume in the pond. Our
preliminary analysis indicates that approximately 10 residences
would be affected by an increase in the high water line of Hall's
Pond. The City would be required to purchase these properties
and incur relocation costs of the residents.
Based upon the relatively high number of residences involved, this
option becomes significantly more costly than Alternative 1. We
did not pursue this option further.
Auxiliary Gravity Outlet System
This alternative involves construction of a gravity sewer outlet
pipe, parallel to the existing 24" outlet pipe, from Hall's Pond to
the Mississippi River. The existing outlet pipe is 24" RCP, 7,586
feet in length, and at a slope of 0.12%. Because Hall's Pond is
at full capacity, the auxiliary outlet pipe would have to be sized
to convey the proposed additional inflow to the pond. The
additional peak inflow is estimated at 43.9 cfs. Based upon a
computer model of the drainage, a gravity outlet alone will not
convey the additional stormwater without increasing the pond
elevation. We have estimated the cost for a 48" RCP pipe for
discussion purposes only.
10
0
5.
Table IV -3
City of Otsego
Auxiliary Gravity Outlet
for Hall's Pond
Cost Estimate
Construction
Construction Contingency @ 10%
Overhead @ 20%
Total Project Cost
Lift Station with Forcemain
$769,472
76,947
153.894
$1,000,313
A lift station with a forcemain could be utilized to pump the
additional inflow from Hall's Pond to the Mississippi River. The
lift station would be designed to pump the additional peak inflow
to Hall's Pond. The forcemain would also be sized to handle the
additional peak inflow flow. A 36" diameter forcemain would be
required to convey the 20,000 gpm peak flow. The lift station
would require four primary and one backup pump to provide
adequate capacity to handle the additional peak flow. We have
estimated the cost of this alternative as follows:
Table IV -4
City of Otsego
Hall's Pond Lift Station
Estimated Costs
Lift Station Structure with Pumps & Controls
Forcemain with Outlet Structure
Construction
Construction Contingency @ 10%
Overhead @ 20%
Total Estimated Project Cost
Review of Alternatives
$ 200,000
845,000 -
1,045,000
104,500
209.000
$1,358,500
Based upon our review of the alternatives, pond excavation
appears to be the most cost-effective means of expanding the
storage capacity of the Hall's Pond area. Non -quantifiable
11
C
implications, such as creation of a scenic park area and
recreational benefits also make this a desirable alternative. The
pond size, location, and area of benefit are depicted on Exhibit F.
6. MSA Participation for Stormwater Improvements
The MSA participation for storm sewer improvements is based
upon the percentage of area contributing to a storm sewer system
vs. the ROW area contributing to the storm sewer system. MSA
participates up to a maximum of 100%, and to a minimum of
55%. Because of the size of Hall's Pond Watershed in relation to
the ROW, the minimum of 55%will be utilized for this project.
Storm Sewer Assessment
The City's assessment ordnance indicates that the cost for construction
of storm sewers shall be assessed against the property in the area
serviced by the sewer on the basis of equivalent square footage of the
property. For the trunk facilities in 85th Street, and for the regional
pond expansion, all properties who have the potential to access these
facilities would be considered to be served by them. We have estimated
that the area of benefit for the proposed trunk facilities is approximately
468.6 acres of land. This does not include existing or proposed ponding
or easement areas. This also does not include City ROW areas for
roads. Based on an MSA contribution of 55% of the trunk facility costs,
a breakdown of costs was determined as follows:
Table IV -5
City of Otsego
Trunk Storm Sewer Facilities
Hall's Pond Watershed
Cost Estimate
Item
85th Street Trunk Facility
Regional Pond Expansion
Required
MSA Assessment
$169,153 $138,397
143.000 117000
W*M.
Total $312,153 $255,397 $567,550
Based upon an assessment amount of $255,397 and an assessment
acreage of 468.6, an assessment per acre of property was determined
12
a
E
at $ 545.02. This equates to a cost per square foot of property of
$0.013/SF.
Projected Funding Balance
Based upon our initial review of the project, we have prepared the
following table:
Table IV -6
City of Otsego
85th Street Project
Projected Funding Balance
Special Considerations - Storm Sewer
The extra capacity provided by the proposed regional pond alone will not
allow for the entire Hall's Pond Watershed District to be directly routed
to the Hall's Pond area. We recommend several conditions or changes
be made to the watershed to allow for construction of a functional
system:
1 . Area 51 (NW Y4 of the SW'/4, Section 22) be diverted to the
Lefebvre Watershed at the time this land is developed. --
2. Areas 5G, 6A, 6B, 6C, and 6D continue to drain away from Hall's
Pond for stormwater ponding.
3. A sub -regional pond be developed in area 3B (NW'/4 of the SWY4,
Section 21) to detain all stormwater from areas 3A, 3B, 3C, 3D,
and 3E. The pond will have an outlet to the 85th Street
stormwater system, but the outflow will be at a reduced rate.
4. All presently undeveloped lands must pond the entire 100 year
storm, and release at a reduced rate. We recommend reducing
13
Total MSA
Assessment
Item
Cost Cost
cost
85th Street Construction
$1,403,480 $1,065,614
$337,866
85th Street Storm Sewer
307,550 169,153
138,397
Regional Pond Expansion
260.000 143.000
117,000
Project Totals
$1,971,030 $1,377,767
$ 593,263
Special Considerations - Storm Sewer
The extra capacity provided by the proposed regional pond alone will not
allow for the entire Hall's Pond Watershed District to be directly routed
to the Hall's Pond area. We recommend several conditions or changes
be made to the watershed to allow for construction of a functional
system:
1 . Area 51 (NW Y4 of the SW'/4, Section 22) be diverted to the
Lefebvre Watershed at the time this land is developed. --
2. Areas 5G, 6A, 6B, 6C, and 6D continue to drain away from Hall's
Pond for stormwater ponding.
3. A sub -regional pond be developed in area 3B (NW'/4 of the SWY4,
Section 21) to detain all stormwater from areas 3A, 3B, 3C, 3D,
and 3E. The pond will have an outlet to the 85th Street
stormwater system, but the outflow will be at a reduced rate.
4. All presently undeveloped lands must pond the entire 100 year
storm, and release at a reduced rate. We recommend reducing
13
the outflow rate to twice the average annual rainfall amount,
released over a six month period. This will ensure that the
localized ponds do not flood and will lessen the impacts to the
downstream storm sewer system.
By implementing the above strategies, the proposed improvements to
the Hall's Pond Watershed should provide a long term solution to the
drainage problems in the area. Exhibit G depicts the proposed
restrictions listed in Items 1 and 2 above.
F. Sequencing of Improvements
This report describes many improvements to the Hall's Pond Watershed
area. The improvements vary from local, to sub -regional to regional in
nature. Although there is no specific sequential order in which many of
the improvements can be made, there is a general order which must be
followed. Downstream improvements must be made prior to upstream
improvements occurring. This will insure that downstream areas are not
flooded due to the upstream improvements. A description of a portion
of the required sequencing follows:
1 . The 85th Street Storm Sewer and regional pond expansion must
be constructed prior to localized or sub -regional improvements.
2. The pond in area 3B must be constructed prior to any of the
localized area 3A, 3B, 3C, 3D, and 3E improvements.
3. Any localized improvements which will utilize downstream
facilities cannot be constructed until the downstream facilities are
in place.
These restrictions may limit development of land within the Hall's Pond
Watershed.
G. Sub -Regional and Localized Improvements
1 . Pond in the NW Y4 of the SW Y4, Section 21
This pond is located in Subarea 3B of the Stormwater Drainage
Report. The pond will be created around an existing wetland area
and will serve to provide stormwater control for Subareas 3A, 3B,
3C, 3D, and 3E. The pond will be created to provide stormwater
retention of the entire 100 year storm runoff, and will release at
14
a rate of two times the average annual precipitation rate over a
six month period. We have estimated the cost of this
improvement as follows:
Table IV -6
City of Otsego
Sub -Regional Pond Construction
Hall's Pond Watershed District 3B
Cost Estimate
Estimated
Item Cost
Construction $249,700
Easement Acquisition 50,000
Overhead and Contingency @ 25% 62.425
Total Project Cost $362,125
The area of benefit for this project would include areas 3A, 3B,
3C, 3D, and 3E. We have estimated the total area of benefit, less
roadways ponds and easements, to be 196.87 acres. This yields
a cost of $1,839.41 per acre, or a cost of $0.0422 per square
foot. Pond location, easement area, and area of benefit are
depicted on Exhibit H. Based on an interest rate of 8% and a 10
year payoff period, an annual cost of $274.13 per acre would be
incurred.
2. Vasseur's Oak Grove Estates 3rd Addition Improvements
This is area 3A of the Stormwater Drainage Report. The 85th
Street storm sewer improvements, the regional pond
improvements and the sub -regional pond improvements in area 3B
would have to be constructed prior to this improvement being
implemented.
The recommended improvements consist of constructing a
drainage ditch west of and south of the existing platted lands to
prevent direct off-site runoff from entering the platted properties.
Localized ponds would be created south of and west of the
platted lands to aid in buffering this stormwater flow. A
stormwater collection pond would be created within the platted
lands to collect stormwater to be discharged to the sub -regional
15
0
pond in area 36. Storm sewer pipe would be utilized to connect
the local ponds and also to connect the collection pond to the
sub -regional pond. Improvements to the existing ditch system
would also be required to direct flows from the platted lands to
the collection pond. We have estimated the cost of these
improvements as follows:
Table IV -7
City of Otsego
Area 3A Drainage Improvements
Cost Estimate
Estimated
Item Cost
Construction $143,230
Easements 20,000
Overhead and Contingencies @ 25% 35.808
Total Project Cost $199,038
These improvements would benefit areas 3A and 3C. We have
estimated the total area of benefit, less roadways, ponds, and
easements to be 60.47 acres. This yields a cost of $3,291.52
per acre or $0.0756 per square foot. Pond locations, pipe size
and locations, easement areas, and area of benefit are depicted
on Exhibit I. Based on equal annual payments, an interest rate of
8%, and a 10 year payoff period, an annual cost of $490.54 per
acre would be incurred.
Vasseur's Oak Grove Estates 2nd Addition East Improvements
This is area 5H of the Stormwater Drainage Report. The regional
pond expansion and the 85th Street Storm Sewer would have to
be constructed prior to installation of this system.
The recommended improvements consist of construction of a
stormwater collection pond between Ogren Avenue and Packard
Avenue. Storm Sewer pipe would convey water from this pond
to the 85th Street system, and ultimately to the regional pond.
Localized ditch grading and storm sewer pipe would be required
to convey water to the collection pond. We have estimated the
costs of these improvements as follows:
U101
EN
Table IV -8
City of Otsego
Area 5H Drainage Improvements
Cost Estimate
Estimated
km Cost
Construction $49,500
Easements 10,000
Overhead and Contingencies @ 25% 12,375
Total Project Cost $71,875
The area of benefit would be limited to area 5H of the
Stormwater Drainage Report. The estimated acreage of this sub-
district, less roadways, ponds, and easements, is 32.54 acres.
This yields a cost of $2,208.82 per acre or $0.051 per square
foot. Pond locations, pipe sizes and locations, easement areas,
and area of benefit are depicted on Exhibit J. Based on equal
annual payments, an interest rate of 8%, and a 10 year payoff
period, an annual cost of $329.18 per acre would be incurred.
Vasseur's Oak Grove Estates 2nd Addition West Improvements
This is area 4J of the Stormwater Drainage Report. The Regional
Pond expansion and the 85th Street Storm Sewer system would
have to be constructed prior to implementation of this system.
This system would require utilization and protection of existing
ponding areas within the subarea. An outlet pipe would be
constructed from these ponding areas to the 85th Street storm
sewer system and ultimately to the regional pond. Localized ditch
grading would occur to direct flows to the local ponds and to the
proposed storm sewer. We have estimated the costs of these
improvements as follows:
17
5
Table IV -9
City of Otsego
Area 4J Drainage Improvements
Cost Estimate
Estimated
ltem Cost
Construction $53,585
Easements 5,500
Overhead and Contingency @ 25% 13.396
Total Project Cost $ 72,481
The area of benefit would be limited to area 4J of the Stormwater
Drainage Report. The estimated acreage of this sub -district, less
roadways, ponds, and easements, is 31.55 acres. This yields a
cost of $2,297.34 per acre and a cost of $0.053 per square foot.
Pond locations, pipe sizes and locations, easement areas, and
area of benefit are depicted on Exhibit K. Based on equal annual
payments, an interest rate of 8%, and a 10 year payoff period, an
annual cost of $342.37 per acre would be incurred.
Area West of Otsego Acres 1 st Addition Improvements
This is area 2C of the Stormwater Drainage Report.
Improvements to areas 4D, 4F and 4G, as well as the 85th Street
trunk system and the regional pond expansion would have to be
completed prior to these improvements occurring. This area
would also require complete ponding of the 100 year storm event
for undeveloped portions of the subareas.
This system would include construction of a stormwater retention
pond and construction of an outlet from the pond. The outlet
would discharge into Subarea 4D, and be conveyed to 85th Street
and eventually to the regional pond. We have estimated the costs
of these improvements as follows:
C
Table 1V-10
City of Otsego
Area 2C Drainage Improvements
Cost Estimate
Estimated
Item Cost
Construction $55,860
Easements 10,000
Overhead and Contingency @ 25% 13.965
Total Project Cost $ 79,825
The area of benefit would be limited to area 2C of the
Stormwater Drainage Report. The estimated acreage of this
subarea, less roadways, ponds, and easements, is 35.69 acres.
This yields a cost of $2,236.62 per acre or a cost of $0.0513 per
square foot. Pond locations, pipe size and location, easement
areas, and area of benefit are depicted on Exhibit L. Based on
equal annual payments, an interest rate of 8% and a 10 year
payoff period, an annual payment of $333.32 per acre would be
required.
Area West of Vasseur's Oak Grove Estates Improvements
This is area 4A of the Stormwater Drainage Report and also
contains improvements to area 4K of the same report. The
improvements to area 4F and 4G, as well as the 85th Street
system and regional pond would have to be constructed prior to
this system being installed.
The improvements would consist of constructing a localized pond
and protecting several other small ponding areas within the
subdistricts. An outlet from the ponds would be constructed to
discharge into Subarea 4F and eventually into the 85th Street
storm sewer system and to the regional pond. We have
estimated the cost of this system as follows:
19
7
Table IV -11
City of Otsego
Area 4A and 4K Drainage Improvements
Cost Estimate
Estimated
Item Cost
Construction $47,220
Easements 10,000
Overhead and Contingency @ 25% 11,805
Total Project Cost $69,025
The area of benefit would be limited to area 4A and 4K of the
Stormwater Drainage Report. The estimated acreage of these
subareas, less roadways, ponds, and easements, is 32.72 acres.
This yields a cost of $2,109.57 per acre and a cost of $0.0484
per square foot. Pond locations, pipe size and location, easement
area, and area of benefit are depicted on Exhibit M. Based on
equal annual payments, an interest rate of 8%, and a 10 year
payoff period, an annual payment of $314.39 per acre would be
required.
Otsego Acres and Vasseur's Oak Grove Estates Improvements
This is area 4C, 4D, 4E, 4F, and 4G of the Stormwater Drainage
Report. This system will also serve to carry stormwater from
areas 2C and 4A to the 85th Street Storm Sewer system and
ultimately to the regional pond. The improvements to the 85th
Street system and construction of the regional pond will be
required prior to construction of this local system.
The improvements will require protection and cleaning of existing
drainage swales and ponding areas. Several stormwater
collection ponds will be created to channel stormwater to a pipe
system. The pipe system will carry stormwater from the
collection ponds to 85th Street system and eventually to the
regional pond. Inflow from areas 2C and 4A will be accounted
for in the pipe system. We have estimated that the cost of this
system will be as follows:
20
Table IV -12
City of Otsego
Area 4C, 4D, 4E and 4G Drainage Improvements
Cost Estimate
Estimated
Item Cost
Construction $135,250
Easements 12,500
Overhead and Contingency @ 25% 33,813
Total Project Cost $181,563
The area of benefit would include areas 2C, 4A, 4C, 4D, 4E, 4F,
and 4G. The combined estimated acreage of these subareas, less
roadways, ponds, and easements, is 157.08 acres. This yields
a cost of $1,155.86 per acre or $0.0265 per square foot. Pond
location, pipe size and location, easement areas, and area of
benefit are depicted on Exhibit N. Based on equal annual
payments, an interest rate of 8%, and a 10 year payoff period, an
annual payment of $172.26 per acre would be required.
Vasseur's Oak Grove Estates 3rd Addition Pond Improvements
This is area 4B of the Stormwater Drainage Report. This system
will outlet to the 85th Street system and will ultimately discharge
to the regional pond. The 85th Street system and the regional
pond will have to be constructed prior to this system being
implemented.
This system will consist of constructing a local pond system and
related ditch work to convey water to the pond. We have
estimated the cost of constructing this system as follows:
21
9
Table IV -13
City of Otsego
Area 4B Drainage Improvements
Cost Estimate
Estimated
AIM Cost
Construction $16,500
Easements 5,000
Overhead and Contingency @ 25% 4,125
Total Project Cost $25,625
The area of benefit would be area 4B as shown in the Stormwater
Drainage Report. The estimated area of Subdistrict 4B, less
roadways, ponds, and easements, is 19.64 acres. This yields a
cost of $1,304.74 per acre or $0.030 per square foot. Pond
locations, pipe size and location, easement area, and area of
benefit are depicted on Exhibit 0. Based on equal annual
payments, an interest rate of 8%, and a 10 year payoff period, an
annual amount of $194.45 per acre would be incurred.
Area 5A and 5B (North Odean Avenue) Improvements
Areas 5A and 5B of the Stormwater Drainage Report are located
adjacent to Odean Avenue, North of 85th Street. The system will
discharge into Hall's Pond and is an improvement to the existing
drainage system. The regional pond expansion should occur prior
to this improvement to insure adequate storage is available at the
Hall's Pond site.
This system will consist of protecting and improving existing
ponding areas and constructing a pipe system from the local
ponds to the regional pond. The existing ditch system will be
improved to carry stormwater runoff to the localized ponding
areas. We have estimated the cost of this improvement as
follows:
22
W
Table IV -14
City of Otsego
Area 5A and 56 Drainage Improvements
Cost Estimate
Estimated
Item Cost
Construction $39,385
Easements 6,500
Overhead and Contingency @ 25% 9.846
Total Project Cost $55,731
The area of benefit would be areas 5A and 5B of the Stormwater
Drainage Report. The total estimated area of 5A and 5B, less
roadways, ponds, and easements, is 28.71 acres. This yields a
cost of $1,941.17 per acre or $0.045 per square foot. Pond
location, pipe size and location, easement areas, and area of
benefit are depicted on Exhibit P. Based on equal annual
payments, an interest rate of 8% and a 10 year payoff period, an
annual amount of $289.29 per acre would be incurred.
Assessments for Sub -Regional and Local Improvements
The improvements described in Section G provide benefit to local and
sub -regional areas. We have analyzed two methods of assessments for
these improvements. These alternatives for assessments are as
described below:
1 . Direct Benefit Assessment
This method would apply assessments directly against the areas
which benefit from improvements. These are the areas described
under each improvement detailed in Section G. This leads to an
uneven assessment throughout the watershed. Areas farthest
away from Hall's Pond would be assessed for all improvements
between their properties and the regional pond. An analysis for
local and sub -regional improvements is provided in Table IV -15.
The areas shown correspond to the areas listed in the Stormwater
Drainage Report.
The assessment amount varies from $545 to $5,676, depending
upon the distance from the regional pond.
23
2. Uniform Assessment
This alternative would utilize a uniform assessment rate for all
improvements to areas tributary to the proposal regional pond.
Areas 5A and 5B do not flow to the proposed regional pond and
are not included in this analysis. The total estimated cost of the
remainder of the improvements are depicted in Table IV -16.
Based upon an estimated area of 468.6 acres, a uniform
assessment of $2,810.40 per acre or $0.065 per square foot
would be required to pay for the storm sewer improvements for
areas tributary to the proposed regional pond. Based upon a
uniform annual payment, an interest rate of 8% and a 10 year
payoff period, an annual payment of $418.83 per acre would be
incurred. This includes all local improvements as well as costs for
the 85th Street Storm Sewer and regional pond.
The regional pond and 85th Street Storm Sewer will require an
estimated $545.03 assessment per acre. Based on equal annual
payments, an interest rate of 8% and a 10 year payoff period, an
annual payment $81.23 per acre would be incurred.
Table IV -16
City of Otsego
Assessment Alternative #2
Uniform Assessment
Estimated
Improvement Cost
Regional Pond
$117,000
85th Street Storm Sewer
138,397
Pond in NW %4 of the SW'/4 of Section 21
362,125
Vasseur's Oak Grove Estates 3rd Addition
199,038
Vasseur's Oak Grove Estates 2nd Addition East
71,875
Vasseur's Oak Grove Estates 2nd Addition West
72,481
Area West of Otsego Acres 1 st Addition
79,825
Area West of Vasseur's Oak Grove Estates
69,026
Otsego Acres and Vasseur's Oak Grove Estates
1 81 ,563
Vasseur's Oak Grove Estates 3rd Addition Pond
25.625
Total $1,316,954
24
Table IV -15
City of Otsego
Assessment Alternative #2
Direct Benefit Assessment
25
Sub- Otsego
Reg.
Trunk
Regional Acres & Vasseur's
Pond
Storm
Pond Vasseur's Vasseur's Vasseur's Area W Area W of Vasseur's Oak Grove
Near
Sewer
located Oak Grove Oak Grove Oak Grove of Otsego Vasseur's Oak Grove Estates Areas
Total
Hall's
Facility
in Sub- Estates Estates Estates Acres 1 st Oak Grove North 3rd Add 5A & 5B
per
Subarea
Pond
85th St
Dist 3B 3rd Add 2nd Add E 2nd Add W Addition Estates Pond Ave N Odean
Subarea
2C ...
$249.68.
$295.35
......................................... $2,236.62 ........... $1,155.86 .................. ......
$3,937.51
3A ...
$249.68.
$295.35
$1,839.41 $3,291.52
3B ...$249.68.
$295.35
....................................................... ..............
$1,839.41
$5,675.96
3C ...
$249.68.
$295.35
..................................................................... • .. • . • . •
$1,839.41 $3,291.52.......................................................
$2,384.44
3D...$249.68
$295.35
.....................
$1,839.41.....................................................................................
$5,675.96
3E ...$249.68.
$295.35
$1,839.41.........................................................
$2,384.44
4A
$249.68.
$295.35
.........................
$2,384.44
...
................................................... $2,109.57 . $1,155.86 ... .............
$3,810.46
4B ...$249.68.
$295.35
......................................................................$1,304.74.............
$1,849.77
4C ...
4D
$249.68.
$295.35
$295.35
............................................................. $1,155.86 ....... .................
$1,700.89
...$249.68.
4E
$295.35
............................................................. $1,155.86 ........................
$1,700.89
...$249.68.
4F
$295.35
............................................................. $1,155.86 ........................
$1,700.89
...$249.68.
4G...$249.68.
$295.35
............................................................. $1,155.86 ........................
$1,700.89
4H...$249.68.
$295.35
............................................................. $1,155.86 ........................
$1,700.89
41 ...$249.68.
$295.35
............................................................. .........................
.................................
$545.03
4J...$249.68.
$295.35
.......................................................
$545.03
4K
$295.35
................................ $2,297.34 .....................................................
$2,842.37
...$249.68.
5A..................................................................................
................................................... $2,109.57.........................
$2,654.60
5B ................
............. $1,941.17.
$1,941.17
5H
$295.35
................................................................$1,941.17.
$1,941.17
...$249.68.
.................... $2,208.82................................................................
$2,753.85
25
V
ul
PROJECT SCHEDULE
The following schedule would allow for project construction to begin in 1997
and be completed in 1998:
Event
Date
Accept Feasibility Study & Order Survey Work
September 23,
1996
Hold Public Hearing
November 12,
1996
Order Plans and Specifications
November 25,
1996
Accept Plans and Order Bids
April,
1997
Accept Bids and Award Contract
May,
1997
Begin Construction
June,
1997
Suspend Construction
November,
1997
Resume Construction
May,
1998
End Construction
August,
1998
Hold Assessment Hearing
October,
1998
CONCLUSIONS AND RECOMMENDATIONS
This report analyzed the feasibility of reconstructing 85th Street from Page
Avenue to Nashua Avenue to meet Municipal State Aid (MSA) Standards.
Stormwater drainage within the Hall's Pond watershed was also reviewed. The
85th Street storm sewer will serve as a trunk facility for that watershed. The
improvement is technically feasible as described in this report.
Reconstruction of 85th Street is necessary due to the recent structural
deterioration of the existing pavement section. Potential development in the
area may tax the capacity of the existing roadway, which makes the
improvement desirable.
The project would be funded by assessments and by MSA funding. The
project appears to be cost-effective if an advancement of MSA construction
funds is obtained by the City. The estimated MSA funds available are slightly
less than estimate construction contribution required of the MSA account. The
MSA funds available were estimated conservatively, and may exceed the
amount listed. We recommend that this study be forwarded to an appraiser for
review of the assessment amounts recommended in this report. The appraiser
should determine if the proposed assessment amounts are equivalent to or less
than the benefit of the improvement.
The storm sewer system improvements to be made in conjunction with this
project include oversizing the 85th Street storm sewer to serve as a trunk
facility and construction of a regional pond to allow for added capacity to the
26
Hall's Pond area. Both storm sewer improvements would be best made in
conjunction with the 85th Street reconstruction project.
Improvements to sub -regional and local storm sewer improvements within the
Hall's Pond Watershed were reviewed. Methods of assessments for these
improvements were discussed. The City should determine a fair and equitable
assessment policy for these improvements.
4
27
ATTACHMENTS
APPENDIX A
/
z
V M N
Q
No==ao
3NI-I
XiJ]dOdd
/
O
v v cu
N
a'0
N
W
C/')
�
m
2to
w
o
r �
N
X
W
n
N
�
cn
Co o N
t5 r
r�
c
W
-
L
W
0
Q
a-
d
�t
t-
W
W
W
0
in
Of
4�i
O
�
a-
Q
0
Of
N
W
LLJF--
Q
W
o
Z
zo
Q
m
<
o
o
W
CDo
Fn
p
CD
Q
LLf
LLI
J
-
Z
¢
CD
W
�
�
(� 1 -
N
Ln
m
�/
U)
i-
O
m
Q
[if
Z
N
U
Q
�
J
JT
flo
Z
<
Q
U
N
—
N
J
Lr) _
-
W �
F-
W
�
Q
Z U
Ln
N
pp M
(DD
]NIS
J,1�JldO�Jd
1
mU
,,...�:..,�..r,-.
a wJ
i
`- AREA OF BENEFIT
EXHIBIT H
SUB -REGIONAL POND IN AREA 313
AND AREA OF BENEFIT
800 0 800 1600
SCALE IN FEET
Hakanson
Anderson
Assoc.,inc.
Engineers, Surveyors L Landscape Architects
3601 Thurston Ave. Anoka, Minnesota 55303
612-427-5860 FAX 612-427-0520
0
�4 via 8 v ' aU '(
0
'00P ww
CONSTRUCT DRAINAGE
SWALE AND OBTA
EASEMENT OVER E
SAME
o a,o cS
P
OBTAIN EMENT� r 2� • 1
AND CO UCT
COLLECTION,, O °a s 5G
a
POND D
PROTECT �n 70 'S� '' 2 a
EXISTING Cr J d AIN
LOW AREA wdo. Lj D NADEO/J_y (•�^^ ' z 3
[LOW
160 _4• LFDEVELOPER •
TO IMPROVETLOUET ToSWALEPROTECT AND CLEAR EXISTI
LOW AREAS NG ROTECT PROTECT
EXISTING
AREA EXISTING r 1 (I 14N' ;f
LOW AREAS[ I
.01
AREA OF BENEFIT
EXHIBIT I
AREA 3A STORM SEWER
AND AREA OF BENEFIT
I Hakanson
Anderson
800 0 800 1600 Assoc.,Inc.
Engineers, Surveyors L Landscape ArcNtects
3601 Thurston Ave. Anoka, Mnnesota 55303
SCALE IN FEET 612-427-5860 FAX 612-427-0520
600 0 600 1200
SCALE IN FEET
EXHIBIT J
AREA 5H STORM SEWER
AND AREA OF BENEFIT
Hakanson
Anderson
Assoc.,Inc.
Engineers, Surveyors t Landscape Architects
3601 Thurston Ave, Anoka, Minnesota 55303
612-427-5860 FAX 612-427-0520
600 0 600 1200
SCALE IN FEET
EXHIBIT K
AREA 4J STORM SEWER
AND AREA OF BENEFIT
Hakanson
Anderson
Assoc.,inc.
Engineers, Surveyors L Landscape Architects
3601 Thurston Ave. Anoka, Minnesota 55303
612-427-5860 FAX 612-427-0520
Y111%Lr1 vl UL1141_I
NI
600 0 600 1200
SCALE IN FEET
AREA 2C STORM SEWER
AND AREA OF BENEFIT
Hakanson
1"111 Anderson
Assoc.,Inc.
Engineers, Surveyors L Landscape Architects
3601 Thurston Ave. Anoka, Mftesota 55303
612-427-5860 FAX 612-427-0520
r11 \ l_P1 lJ i LJ L I `I L— I I I
600 0 600 1200
SCALE IN FEET
EXHIBIT M
AREA 4A AND 4K STORM SEWER
AND AREA OF BENEFIT
Hakanson
Anderson
Assoc.,Inc.
Engineers, Surveyors L Landscape Architects
3601 Thurston Ave. Anoka, Minnesota 55303
612-427-5860 FAX 612-427-0520
600 0 600 1200
SCALE IN FEET
EXHIBIT N
AREA 4C, 4D, 4E, 4F,
AND 4G STORM SEWER
AND AREA OF BENEFIT
Hakanson
Anderson
Assoc.,inc.
Engineers, Surveyors 6 Landscape Architects
3601 Thurston Ave, Anoka, Minnesota 55303
612-427-5860 FAX 612-427-0520
4R EA
800 0 800 1600
SCALE IN FEET
NEFIT
EXHIBIT 0
AREA 4B STORM SEWER
AND AREA OF BENEFIT
Hakanson
Anderson
Assoc.,Inc.
Engineers, Surveyors 6 Landscape Architects
3601 Thurston Ave, Anoka, Minnesota 55303
612-427-5860 FAX 612-427-0520
i
l
�
l
800 0 800 1600
SCALE IN FEET
NEFIT
EXHIBIT 0
AREA 4B STORM SEWER
AND AREA OF BENEFIT
Hakanson
Anderson
Assoc.,Inc.
Engineers, Surveyors 6 Landscape Architects
3601 Thurston Ave, Anoka, Minnesota 55303
612-427-5860 FAX 612-427-0520
0290—/21,-219 Xdd 0989—L24-219
COESS o;osaULMW 'oryouy 'any uo}sJnyl 109E
s;Da;iy»y adoxpuoj I s.ro Can.nS •sJaawBu3
.Oul"Dossd I I Ll
uosaapuy
uosuDJoH
ilAINIB A0 dI�Jd GN`d
�JIMIS MJO1S 89 GNd VS V3JV
d 1181HX3
1333 NI 3-IVDS
OOZI 009 0 009
APPENDIX B
RESOLUTION NO.
RESOLUTION ORDERING PUBLIC HEARING AND ORDERING ADDITIONAL
PRELIMINARY WORK ON AN IMPROVEMENT
WHEREAS, pursuant to a resolution of the council adopted April 8, 1996, a report has been
prepared by Hakanson Anderson Associates, Inc. with reference to the improvement of
85th Street between Page Avenue and a point 700 feet east of Nashua Avenue, and this
report was received by the Council on September 23, 1996, and,
WHEREAS, the report provides information regarding whether the proposed project is
necessary, cost-effective and feasible,
a
NOW THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF OTSEGO, MINNESOTA:
1. The council will consider the improvement of such street in accordance with the
report and the assessment of both abutting and non -abutting properties as detailed
in the report for all or a portion of the cost of the improvement pursuant to
Minnesota Statutes, Chapter 429 at an estimated total cost of $1 ,971 .030.
2. A public hearing shall be held on such proposed improvement on the day
of , 1996, in the council chambers of the city hall at p.m. and
the clerk shall give mailed and published notice of such hearing and improvement as
required by law.
3. The engineer, Hakanson Anderson Associates, Inc., shall proceed with obtaining
additional information related to the project to include the following:
A. Obtain an appraiser to review the proposed assessments and comment as to
the relative benefit to the properties.
B. Perform soil test borings along the length of the roadway.
C. Obtain entry rights to the area of the regional pond and perform soil test
borings in this area.
D. Perform field survey work necessary for preparation of plans and
specifications for the proposed improvement.
Adopted by the council this day of
Norm. F. Freske, Mayor
1996.
Elaine Beatty, Clerk