HomeMy WebLinkAboutReport on 1998 Street Reconstruction Project - Jan 1998 File No 55134Report On
1998 Street Reconstruction Project
Oak Park Heights, Minnesota
January, 1998
File No. 55134
Bonestroo
Rosene
Anderlik &
Associates
Engineers & Architects
A MINNESOTA STAR CITY
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Bonestroo
Rosene
Anderlik &
Associates
Engineers & Architects
January 8, 1998
Honorable Mayor and City Council
City of Oak Park Heights
14168 57th Street
Oak Park Heights, MN 55082
Bonestroo. Rosen,. And,,hk and Associates. Inc. is an A1Lrm,N,, Action Equal Opportunity Employer
Phnnpals Otto G. Bonestroo. PE • Joseph C Anderbk, PE • Marvin L. Sorvala, PE
Richard E. Turner, PE • Glenn R. Cook. PE • Robert G. Scr ichL PE. • Jerry A. Bourdon, PE.
Robert W Rosene PE and Susan M Eberlin. CPA Senior Consultants
Associate P,,,ri Howard A San lord, P.E. • Keith A Gordon, PE. • Robert R Pleflerle, PE.
Richard W Foster, PE • Oavitl O. Laskola. PE Robert C Russek, A I A. • Mark A Hanson. PE.
Michael T Rau[mann, PE. • Ted K Feld. PE • Kenneth P Anderson. PE • Mark R Rolls PE
Sidney P Williamson PC, L S • Robert F Katsmnh
OlHces St Paul, Rochester, Willmar and St Cloud MN • Mdwaukee, WI
Re: 1998 Street Reconstruction Project
Our File No. 55134
Dear Mayor and Council:
Transmitted herewith is the feasibility report for the 1998 Street Reconstruction Project which
includes Area D and Area E of the Comprehensive Street Plan.
This report includes information regarding the project scope, design details, costs, and financing.
Respectfully submitted,
BONESTROO, ROSENE, ANDERLIK & ASSOCIATES, INC.
Karen S. Shimon
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I hereby certify that this report was prepared by me or
under my direct supervision and that I am a duly
Registered Professional Engineer under the laws of
the State of Minnesota.
Date :January 8, 1998 Reg. No. 6971
2335 West Highway 36 • St. Paul, MN 55113 • 612 - 636 -4600 • Fax: 612 -636 -1311
Table Of Contents
Pale No.
Letter of Transmittal l
Table of Contents 2
Executive Summary 3
Introduction 6
Feasibility 10
Design Recommendations 12
Assessments / Revenue 13
Project Schedule 15
Appendix A
Costs
Appendix B
Assessments
Appendix C
Testing Results
Figure No.
1
Area D Location
2
Area E Location
3
Pavement Condition Index — Area D
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Pavement Condition Index - Area E
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Proposed Storm Sewer- Area D
6
Proposed Storm Sewer — Area E
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Proposed Street Section
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Area D properties to he Assessed
9
Area E properties to be Assessed
10
Comprehensive Street Plan Areas
Oak Park Heights 1998 Street Reconstruction Project 2
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Executive Summary
Scope Of Study
This study focuses on the proposed 1998 pavement management project which includes
improvements to 3.2 miles of streets in Area D and 1.3 miles of streets in Area E for a total of 4.5
miles. Figure 1 illustrates the project location and limits for Area D and Figure 2 illustrates the
project location and limits for Area E.
Summary of Proposed Improvements
The proposed improvements consist of the following.
• Pavement reconstruction consistent with the policies established by the 1995 reconstruction
project for District A which include:
• full depth recycling of the existing bituminous pavement (grinding it up to create aggregate
base),
• subgrade correction where necessary,
• installation of concrete curb and gutter,
• installation of concrete driveway aprons,
• paving a 3" bituminous mixture surface, and
• saw and seal bituminous wear course.
• Storm sewer improvements.
Recommended Staging of the Work
If the improvements are ordered, it is recommended that the work be accomplished under one
construction contract. The proposed schedule for bidding and execution of the work is outlined in
the report. The work is intended to be completed in the Fall of 1998.
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Summary of Costs
The following table summarizes the estimated costs of the proposed projects.
Summary of Estimated Costs
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Note: The total cost of the project does not include the cost for televising the sanitary sewer or
testing the water main for leaks. These tests are necessary to detertnine if any major repairs
are needed.
Summary of Financing Implications (Assessments and City Costs)
The following summarizes the financing implications that wilt result from implementing these
projects.
Total Project Cost
Construction
Cost Total
Construction
Cost per foot
Total Cost
Total Cost
per foot
Street Reconstruction
$1,441,400.00
$62.00
$1,981,940.00
$85.00
Storm Sewer
$216,580.00
$9.00
$270,730.00
$12.00
Total
$1,657,980.00
$71.00
$2,252,670.00
$97.00
Note: The total cost of the project does not include the cost for televising the sanitary sewer or
testing the water main for leaks. These tests are necessary to detertnine if any major repairs
are needed.
Summary of Financing Implications (Assessments and City Costs)
The following summarizes the financing implications that wilt result from implementing these
projects.
Total Project Cost
$2 252 670
Residential Assessment Revenue
$725,000
OPH Commercial Assessment Revenue
$67,580
Stillwater Revenue
$216,840
County Turnback Reimbursement
?
General Fund
$1,243,250
The following streets within Area D are bordered by properties within the Stillwater city limits:
- Panama Avenue - Paris Avenue south of Beach Road.
- Osman Avenue - 65' Street North
- Ozark Avenue North - 64 Street North
- Part of Oxboro Avenue - Alley ( Oxboro to Panama)
The condition of these streets are such that they require reconstruction. Since Oak Park Heights
residents do live on one side of the toad it would be appropriate for the city to attempt to arrange the
reconstruction of the street and ask the City of Stillwater to fund their half of the roadway either
Oak Park Heights 1998 Street Reconstruction Project
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through their general fund or through assessments. If the City of Stillwater decides not to fund the
project, it is recommended that these streets be removed from the project. The following
summarizes the financing implications that will result if these streets are removed.
Total Project Cost (without Roads
bordering Stillwater
$1,866,190
Residential Assessment Revenue
$725,000
OPH Commercial Assessment Revenue
$67,580
County Tumback Reimbursement
?
General Fund
$1,073,610
I Special Issues
Council will need to consider the information provided in this report and the information that will
be obtained from the residents at the neighborhood meetings and public hearing to decide whether
to accept the recommendations of this report or to modify the proposed project.
In essence, the project as proposed follows previous policy decisions concerning the pavement
management program and precedent set from the 1995 reconstruction project. There is, however,
one previously established policy that Council should note would not be followed under these
proposed improvements. The City's standard street width in new developments is 32 feet from face
of curb to face of curb. The previous street capital improvement plan that was adopted by council,
recommended a minimum street width of 30 feet. However, the existing streets in Area D and Area
E are only 24 feet wide. In many cases on this project it is not practical to widen the street several
feet due to existing trees, landscaping etc. Therefore, we recommend most streets in this area to be
reconstructed to a width of 28 feet.
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Oak Park Heights 1998 Street Reconstruction Project 5
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Introduction
Purpose
This report provides information concerning the proposed Area D and Area E Street Reconstruction
Project.
I Project Description
This 1998 reconstruction project includes both Area D and Area E of the original pavement
management report. Area D lies north of Highway 36, south of east 65th Street, and east of Panama
Avenue as well as segments of Osman Avenue, Ozark Avenue, &V Street, and Oxboro Avenue.
Area E lies south of Highway 36 and includes Pellet Avenue, Penrose Avenue, 58 Street, 57
Street, and Perkins Avenue.
Background
The first area of the Comprehensive Street Plan included Area A which was constructed during the
1995 season. The project described in this report will be the second rehabilitation project of the
Comprehensive Street Plan. It includes Area D as shown in Figure 1 and Area E as shown in Figure
2. Area D was inspected in the late fall of 1996. The inspection concluded that crack sealing would
not benefit this area, and that a sealcoat should be applied to the area if Area D is not reconstructed
in the 1998 construction season. Area E is in a similar situation.
In the fall of 1996, soil borings were performed on Paris Avenue / Beach Road. The results, shown
in Appendix C, indicate a 6' bituminous pavement and 9" gravel base. There is much value in this
amount of bituminous and gravel, and both of these materials would be salvaged and reused on the
project which will provide cost savings to the project.
In the spring of 1997 test holes were dug on the other residential streets in areas D and E to
determine the soil characteristics. The results, which are shown in Appendix C, indicate that sandy
clay exists below the bituminous surface. To provide support to the road, the material below the
r bituminous surface should be gravel. The test holes show that the streets are good candidates for a
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reclamation process, which would grind up the existing bituminous and mix it with some of the
t sandy clay to create an aggregate material that would provide a solid base for the road.
The condition of the existing pavements in Area D and Area E were last rated in 1987. For this
report, the computer program Paver, was used to help predict the ranking of the roads in 1998.
These predicted rankings are shown in Appendix C and on Figure 3 and Figure 4. The pavement
condition indexes dropped from an average of 75 in 1987 to an average of 58 in 1998.
I The table below presents general categories to define PCI Rankings.
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Maintenance Recommended
Pavement Condition Index
Seal Coat
50 -100
Overlay
30 -60
Reconstruct
0-40
In general, PCI rankings below 35 require removal of the existing bituminous pavement before
constructing a new bituminous surface. The existing aggregate base may also have to be
' reconstructed. PCI rankings between 35 and 55 require bituminous surface removal or major
patching before constructing a bituminous overlay. PCI rankings over 55 typically do not require
r bituminous overlays and generally routine maintenance such as patching, crack sealing, and seal
coats are cost effective.
The deflection testing of the two areas was completed in the summer of 1997. The results of this test
show that the majority of the streets have an adequate subgrade. The testing identified Paris,
Peabody and Ozark as streets that may need subgrade correction. Therefore, quantities and costs for
some subgrade correction have been included in this report. In addition, the results showed that 65 th ,
60, Upper 63` 62 " Paul, Peabody, Paris, Ozark, Penrose and Perkins would experience cracking
of the bituminous surface.
The average PCI ranks the streets on the border of the "Overlay" ('Seal Coat" category. The
deflection tests showed that a majority of the streets would crack under repetitive use and several
streets actually require subrgrade correction. The test holes showed that the streets are in need of
a solid base. These results, coupled with the fact that new concrete curb and gutter is proposed,
make it feasible to recommend the total removal of the existing bituminous. Some streets will
require removal of the existing aggregate base and subgrade improvements as well.
I Oak Park Heights 1998 Street Reconstruction Project 7
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Area E
Street Name
Length
(Feet)
Existing
Street Width
(Feet)
Proposed
Street Width
(Feet
Peller Avenue North (56 to 59)
1350
24
28'
Penrose Avenue North (56 to 59)
1350
22.5
28'
Penfield Avenue
560
18'
18'*
56 Street North Penrose to Peller
370
24'
28'
Upper 56 Street North
220
24'
28'
57 Street North Peller to Penfield
830
24'
28'
58 Street North (Stagecoach to Pellet)
990
23'
28'
Perkins Avenue North (5e to 57)
650
18'
18'*
57 west of Perkins)
330
20.5'
24'
Total
6650
(1.3 miles
*Due to the location of existing buildings, the maximum allowable street width is 18 feet.
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Feasibility
The 1998 Reconstruction Project is feasible. The following table summarizes the estimated costs
of the proposed projects.
Summary of Estimated Costs
The costs for the 1998 Reconstruction Project are slightly higher than the costs stated previously
in the 1993 Comprehensive Plan for Areas D and E. The difference in cost is displayed in the
table below.
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Construction
Construction
Total Cost
Total Cost
$1,383,630
Cost Total
Cost per foot
$598,310
per foot
Street Reconstruction
$1,441,400.00
$62.00
$1,981,940.00
$85.00
Storm Sewer
$216,580.00
$9.00
$270,730.00
$12.00
Total
$1,657,980.00
$71.00
$2,252,670.00
$97.00
The costs for the 1998 Reconstruction Project are slightly higher than the costs stated previously
in the 1993 Comprehensive Plan for Areas D and E. The difference in cost is displayed in the
table below.
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The increase in the project cost from the 1993 Comprehensive Street Plan is due to the addition
of the following:
' • This project proposes reconstructing additional streets in Area D. There is approximately
4,470 feet more than in the 1993 report at the cost of $386,480. This is due to the fact that
streets bordered on one side by the city of Stillwater were not included with the previous
report.
• Storm sewer - the 1993 Comprehensive Street Plan did not include storm sewer costs and
stated that these numbers would be evaluated with each individual project. The total cost of
storm sewer is $270,730.
Oak Park Heights 1998 Street Reconstruction Project 10
1993 Comprehensive
Street Plan
1998 Reconstruction
Feasibility Report
Streets - as shown in 1993 Plan
$1,798,000
$1,383,630
Additional Streets
-0-
$598,310
Storm Sewer
-0-
$270,730
Total Project Cost
$1,798,000
$2,252,670
The increase in the project cost from the 1993 Comprehensive Street Plan is due to the addition
of the following:
' • This project proposes reconstructing additional streets in Area D. There is approximately
4,470 feet more than in the 1993 report at the cost of $386,480. This is due to the fact that
streets bordered on one side by the city of Stillwater were not included with the previous
report.
• Storm sewer - the 1993 Comprehensive Street Plan did not include storm sewer costs and
stated that these numbers would be evaluated with each individual project. The total cost of
storm sewer is $270,730.
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• ParisAvenue / Beach Road - this is a county roadway. At the time the 1993 Comprehensive
Street Plan was prepared the fate of this roadway was not certain. However, it is now the
intention of the county to negotiate the turnback of this roadway to the city. As a part of this
' negotiation, an agreement will have to be reached regarding the amount of money the county
will reimburse the city for the reconstruction of this street. It is important that Paris Avenue /
Beach Road is reconstructed at the same time as the rest of the residential streets in Area D.
Most residential streets in this area intersect this roadway, and the reconstruction of these
intersections in conjunction with the rest of the streets will allow the new design to correct
drainage problems. Also the residential streets can be designed to correctly tie into Paris
Avenue / Beach Road which does not have curb and gutter but will have concrete curb and
gutter when it is reconstructed. An additional benefit to reconstructing these roadways at the
same time is the excess ground up bituminous material from Paris Avenue / Beach Road can
be used as aggregate base on other residential streets.
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Design Recommendations
The following are the design standards recommended for this project.
Street Section: The existing bituminous surface would be reclaimed (ground up) and recycled by
using it as an aggregate base. Three inches of new bituminous would then be placed over an
average aggregate base depth of 8 inches. This street section is illustrated in Figure 7.
' Street Width: The existing streets in Area D and Area E are 24' wide. The city's standard street
width is 32', and the streets in Area A were reconstructed to this width. However, several of the
streets in Area D have mature trees in close proximity to the street. Widening the street to 32'
would require the removal of some of the trees and landscaping. Therefore, it is recommended
that the majority of the streets be widened only to a width of 28'. This would provide for a
minimum of an 8 foot parking lane on both sides of the road and a 12 foot driving lane.
Street Surface: Saw and seal the new bituminous wear course. This procedure extends the life
of the street section by reducing the moisture that penetrates the surface and causes the
deterioration of the bituminous material.
Curb: All curb will be concrete barrier curb (MNDOT B618).
Storm Sewer: It is recommended that new storm sewer be installed where it will eliminate
existing drainage problems and prolong pavement life by reducing ponding on the pavement
surface. Figure 5 shows the proposed storm sewer for Area D. The proposed storm sewer in
Area E is shown in Figure 6. The existing storm sewer castings in each area will be updated to
meet current standards.
Driveways: All existing driveways will have concrete aprons installed.
Existing Utilities
Sanitary Sewer: The sanitary lines will be televised during the plan and specification phase of
' this project. The condition of the existing lines will not be known until that report is received.
Water Main: Leak tests will be performed on the existing system to determine the condition of
the existing lines.
Storm Sewer: Visual inspections will be done on the existing system to determine if any repairs
need to be made. Only minor repairs and casting replacement is anticipated at this time.
Oak Park Heights 1998 Street Reconstruction Project
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i Assessments / Revenue
The assessment policy as established by the city council for the 1995 Reconstruction Project was
based on the following:
I • Each residential property will be assessed the same amount
' • This amount is based on the amount to be paid by the average size lot on this project
• Commercial properties will be assessed on a front footage basis
A new policy that is presented in this report is that the city of Stillwater should pay for half of the
cost of the streets that abut properties that lie within Stillwater city limits.
The assessment amounts are as follows:
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Residential Property in Oak Park Heights
$2900* / each
Commercial Property in Oak Park Heights
$34.80 * / front foot
Stillwater Properties
$48.50* / front foot
' *Appendix B shows how these figures were obtained.
There are 250 residential properties in Oak Park Heights to be assessed as part of this project. The
total assessments for the project are as follows:
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Oak Park Heights Commercial Property Assessments
Property
Assessable
Footage
Assessment
St Croix Villas Condos
1087
$37,830 ($1260 per unit)
Church
330
$11,480
Orchard Park Condos
165
$5,740
Oak Park Heights Garden
360
$12,530
Total
$67
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Appendix B
Assessments
Assessments were originally planned to be determined by the following rate classification:
Residential Curb (75% of total Curb cost)
Commercial Curb (75% of total Curb cost)
Residential Street (50% of total street cost)
Commercial Street (50% of total street cost)
Using this rate classification it was determined that commercial property would be assessed $48.00 per
front footage and residential lots would be assessed $3,220 per lot.
Compared to the 1995 reconstruction project these assessments were high. It was then decided to reference
the assessments in the January 1994 report for Street and Storm Sewer Improvements for Oak Park
Heights. In the 1994 report, the assessments for 1995 commercial property was $31.86 per front footage.
Residential properties in 1995 were assessed a flat rate of $2,645. To have a more uniform payment plat, it
is suggested that the assessments from the 1995 contract be inflated to current construction cost indices.
The inflated assessments are as follows:
Commercial: $34.80 per front footage
Residential: $2900 per lot
The assessments for Stillwater were determined by taking 50% of the Total Cost. This rate was then
applied to front footage for all property located in Stillwater.
Total Cost per foot = $97.00
Assessment = $48.50 per front footage
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Appendix C
Area D- Testing Results
Street Name
Soil Boring
PCI
Test Hole
1998 Predicated Value
Upper 61
At county rd.
51
Street
5.5" Bituminous
59
North
7.5" Base
85
Fill, mostly silty sand
with little gravel
62" Street North
70
2" Oil &Rock
78
18 " -20" sandy clay
Below heavier clay
63` Street North
59
74
Upper 63 Street North
2.5 " Bituminious
52
2" Oil &Rock
9.5 base
70
Sandy Clay some small
Fill to 5.0' mostly silty
Rock
sand
20" Sandy clay
Below more clay
64 Street North
55
2" Oil & Rock
77
18" Sandy Rocky Clay
Bigger Rock more Clay
Pecan Avenue North
68
4 -5" Oil & Rock
70
12" Sandy Clay
Below Heavier Clay
Peabody Avenue North
84
Paris Avenue North/
Range from 5.5" - -7"
16
Beach Road
Bituminous Pavement
Range from 7.5 "- 18.5"
Base
Fill mostly silty sand
Paul Avenue North
42
51
1
I
E
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Appendix C
Area D- Testing Results
Street Name
Soil Boring
PCI
Test Hole
1998 Predicated Value
Panama Avenue North
38
3" Oil & Rock
18" Sandy Gravel
Below 18" Rocky, some
big
Paris Avenue
39
(residential area)
53
Osman Avenue North
56
5" Oil & Rock
20" Sandy Clay
Heavy Clay
Some Big Rocks
- 011&
65 Street North
67
2 -3" Rock
(Beach to Pecan)
Sandy Clay
Some Bigger Rock
64 Street North
( Oxboro to Ozark)
Ozark Avenue North
58
(64" to 65")
Oxboro Avenue North
5" Oil & Rock
(62 to Hwy 36)
20" Sandy Clay
Heavy Clay
Some Big Rock
Alley
( Oxboro to Panama)
i
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Appendix C
Area E- Testing Results
Street Name
Soil Boring
PCI
Test Hole
1998 Predicated Value
Peller Avenue North
59
2 -3" Mix
(56" to 59")
81
Rocky, Sandy Clay
63
Penrose Avenue North
56
2 -3"
(56" to 59
73
12" Sandy Clay
72
Heavier Clay More
Rock
Penfield Avenue
32
56
56 Street North
56
3 -3.5"
(Penrose to Peller)
Big Rocks
12" Sandy Clay
Heavier Clay
Upper 56 Street No.
55
57 Street North
55
(Peller to Penfield)
58 Street North
84
(Stagecoach to Peller)
54
71
Perkins Avenue North
23
4 -5" (2 Lifts)
(56" to 57'")
42
Big Rock Limestone
57 (west of Perkins)
87
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