D. 2010 Street Improvements
CITY OF
CHANHASSEN
7700 Market Boulevard
PO Box 147
Chanhassen, MN 55317
Administration
Phone: 952.227.1100
Fax: 952.227.1110
Building Inspections
Phone: 952.227.1180
Fax: 952,227.1190
Engineering
Phone: 952.227.1160
Fax: 952,227,1170
Finance
Phone: 952,227.1140
Fax: 952.227.1110
Park & Recreation
Phone: 952,227,1120
Fax: 952.227,1110
Recreation Center
2310 Coulter Boulevard
Phone: 952.227.1400
Fax: 952,227,1404
Planning &
Natural Resources
Phone: 952.227.1130
Fax: 952,227.1110
Public Works
1591 Park Road
Phone: 952.227.1300
Fax: 952.227.1310
Senior Center
Phone: 952.227.1125
Fax: 952,227,1110
Web Site
www.ci.chanhassen.mn.us
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MEMORANDUM
TO:
Todd Gerhardt, City Manager
"C7 0 J
Paul Oehme, Dir. of Public Works/City Engineer ,('
FROM:
DATE:
July 13,2009
SUBJ:
Discuss 2010 Street Improvement Project - Project No. 10-01
DISCUSSION
Staff would like to discuss the proposed 20 10 street reconstruction proj ects with
Council. The Capital Improvement Program had planned for reconstructing the of
the Erie Avenue area or Chanhassen Estates Neighborhood (south of Lake Drive),
the Red Cedar Point neighborhood, and Audubon Road from Lyman to Lake
Drive next year. The streets proposed for reconstruction were chosen using the
City's Pavement Management Program and were identified due to utility
problems in the area. Below is a brief description on the projects.
ERIE A VENUE NEIGHBORHOOD (CHANHASSEN ESTATES)
The streets in the Erie Avenue Neighborhood are 38 years old and cannot be
maintained properly with minor maintenance or even a bituminous overlay. The
streets are in poor condition with an average pavement condition indexof28. A
road under 45 typically indicates distress that would require a full depth
reconstruction. Dakota Lane and Erie Circle were overlaid by City crews with a
thin bituminous pavement in 2001 due to severe washouts and distressed
pavement areas. These streets' average pavement condition index currently is 52
which is higher than most of the other streets. However, it is anticipated these
streets will degrade more quickly in the coming years. These streets should be
included when the Erie A venue area is reconstructed so a gap of old street section
is not left. The watermain in this area is cast iron pipe and had nine documented
breaks. The sanitary sewer has been televised and shows many areas of
groundwater leaking into the pipe and settled pipes that do not flow well anymore.
The storm sewer system should be upgraded and drain tile installed. It is
proposed to upgrade these streets to the City's standard pavement section with
concrete curb and gutter. The watermain should be replaced, sanitary sewer
system spot repaired, and storm sewer system upgraded and draintile installed.
RED CEDAR POINT NEIGHBORHOOD
Most of the utilities and streets in the Red Cedar Point neighborhood are also 38
years old. The streets are very narrow in most areas and have a rural section.
Most of the streets are in poor condition with an average pavement condition
G\ENG\PUBLIcen~h~~s~fhsisOiftoffi?n~h11Vfd'ft'iJe:n~15WJlffg Y6~ tMgf~WptgnRintg ~8f follfotTowc
Todd Gerhardt
2010 Street Improvement Project
July 13,2009
Page 2
index of 48. The streets have been patched several times because of water main breaks and other
utility problems. These numerous street patches have raised the pavement condition ofthe
streets. However the streets in general are in poor condition. The watermain in this area is cast
iron pipe and had 12 documented breaks. Due to the narrowness of the streets some ofthe
watermain may need to be directionally drilled to keep access to the properties. The sanitary
sewer has been televised and shows many areas of groundwater leaking into the pipe and settled
pipes that do not flow well anymore. The area is known to have a high groundwater table.
There is little storm water management in this area and no storm water collection system.
The streets in this area are proposed to be upgraded to a heavier pavement section but left as a
rural section. Depending upon storm water management practices, to be implemented, curb and
gutter may be added to some road sections. There is potentially very little opportunity for storm
water management due to the narrow streets and lack of City-owned property for ponding or
other water quality improvements. There may be opportunity to acquire some property for storm
water management. The City will need to work with the Minnehaha Watershed District on the
project. Because of non-degradation requirements and the impending revisions to Rule N of the
Minnehaha Creek Watershed District (MCWD), it is unknown what storm water management
requirements will be needed. The City will need to work with the MDWD to identify and fund
potential opportunities.
AUDUBON ROAD
Audubon Road is a collector roadway and is in need of upgrading. The pavement is in poor
condition and shows severe pavement distresses. The roadway is a rural section with gravel
shoulders. On the steep hill portion ofthe roadway, the gravel washes out after large rain events
and can become a safety problem if not regraded several times a year. The watermain in this
area appears to be in good condition and has not experienced any significant problems. No
gravity sanitary sewer is currently in the Audubon Road right-of-way.
Audubon Road should be urbanized and widened to the same pavement width as is currently
north of Lake Drive. The Parks Department Trail Comprehensive Plan calls for extending a trail
down to Lyman Boulevard on the east side of Audubon Road. A small area of land may need to
be acquired at the south end of Audubon Road to accommodate the roadway and trail. Minor
repairs to the watermain are proposed. Stubbing a sanitary sewer across Lyman Boulevard
should be included in the project to plan for potential sewer extension if the property on the east
side of Audubon Road were to develop. The pond on the south side of Lyman Boulevard was
oversized in conjunction with the Lyman Boulevard reconstruction project to treat the runoff
from this section of Audubon Road when it is improved. A storm sewer pipe has been stubbed
on the north side of Lyman Boulevard for the future reconstruction of Audubon Road.
Budgets for the proposed work have been included in the 2010 CIP. The budgets will need to be
reviewed and updated based upon current construction cost estimates.
Assessments will be based off the City's assessment practice of assessing 40% of the street
improvements to the benefiting properties on a per lot basis. The assessments would be
proposed for 10 years at 6% interest. A consultation report should be drafted for each project
area to help determine the final assessment amount. One Hundred Percent (100%) of the utility
and stormwater improvements would be funded out the respective utility funds.
As with all improvement projects, the Engineering Department would hold several neighborhood
meetings to answer resident questions about the proposed improvements and assessments. These
meetings also give staff an opportunity to gather additional information about the area to help
make the project successful.
Consultant engineering services would be needed for the Erie Avenue and the Red Cedar Point
project areas. The engineering services would include feasibility report preparation, final design
and construction administrative services. The Engineering Department is planning to complete
the plans and handle the construction services for the Audubon Road project.
A tentative schedule is as follows:
Complete Consultation Report
Complete Soil Borings
Council Authorizes Feasibly Report
Open Houses
Accept Feasibility Report
Hold Public Hearing
Bid Opening
Assessment Hearing
Start Construction
August 2009
September 2009
September 2009
November 2009
January 2010
January 2010
March 2010
April 2010
May 2010
Attachments: Project area maps
Preliminary CIP pages
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Capital Improvement Program
City of Chanhassen, MN
2009 thru 2013
Contact Paul Oehme
Department Street hnprovements
Account # 1 601-0000-4751
Account # 3
Type Improvement
Useful Life Unassigned
Category StreetslHighways
Priority nla
Project #
ST-012
Project Name Annual Street Improvement Program
Account #2
Total Project Cost $7,400,000
Description
Annual project to rehabilitate and reconstruct streets in the City. Current 5-year plan shows the following neighborhood areas:
Residential 2009 - Chaparral, W 78th St, Quattro Dr, Dell Rd, Lakota Ln and Vogelsburg Tr
2010 - Erie Ave area, Red Cedar Pt and Audubon Rd (Lk Dr to Lyman)
2011 - Carver Beach Rd, Timberwood, Saratoga, Santa Vera, Chippewa, Picha and Kerber (S ofW 78th)
2012 - Greenbriar, Fir Tree, Elm Tree, Dogwood and Shore Drive
2013 - Frontier Tr (Highland to W 77th), Great Plains (W 78th to Santa Fe), W 77th, Erie Ave (N ofW 77th), Highland (E of
Laredo) and Greenwood Shores
2011 - West 78th Street Powers to Market)
Justification
The City uses a Pavement Management System to monitor the condition of the City streets. While proper preventative maintenance extends the
life of the street and is cost effective, a street will eventually deteriorate to a point that further maintenance is no longer cost effective.
Rehabilitation projects extend the life of the street. In cases with utility or poor subgrade needs to be replaced or where streets have deteriorated to
a point where rehabilitation will no longer be practical reconstruction of the street is necessary. A feasibility study is written to consider the merits
of the project and scope of work.
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Expenditures 2009 2010 2011 2012 2013 Total
Construction 1,300,000 1,900,000 1,500,000 1,500,000 1,200,000 7,400,000
Total 1,300,000 1,900,000 1,500,000 1,500,000 1,200,000 7,400,000
Funding Sources .2009 2010 2011 2012 2013 Total
Assessment/Revolving Assess 1,300,000 1,900,000 1,200,000 1,500,000 1,200,000 7,100,000
MSA 300,000 300,000
Total 1,300,000 1,900,000 1,500,000 1,500,000 1,200,000 7,400,000
Operational Impact/Other
This project may decrease maintenance costs.
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Capital Improvement Program.
City of Chanhassen, MN
2009 thru 2013
Contact Paul Oehme
Department Street Improvements
Account # 1 601-0000-4751
Account # 3
Type Improvement
Useful Life
Category Streets/Highways
Priority nla
Project #
ST -022
Project Name Audubon Street Project
Account #2
Total Project Cost $3,000,000
Description
Annual project to rehabilitate and reconstruct streets in the City.
20 I 0 - Audubon Road Lyman Blvd, to Lake Drive West
Justification
The City uses a Pavement Management System to monitor the condition of the City streets. While proper preventative maintenance extends the
life of the street and is cost effective, a street will eventually deteriorate to a point that further maintenance is no longer cost effective.
Rehabilitation projects extend the life of the street. In cases with utility or poor subgrade needs to be replaced or where streets have deteriorated to
a point where rehabilitation will no longer be practical, reconstruction of the street is necessary. A feasibility study is written to consider the mertis
of the project and scope of work.
Expenditures
Construction
2009
2010
2011
2012
2013
Total
3,000,000
3,000,000
Total
3,000,000
3,000,000
Funding Sources
. Assessment/Revolving Assess
2009
2010
2011
2012
2013
Total
3,000,000
3,000,000
Total
3,000,000
3,000,000
Operational Impact/Other
This project may decrease maintenance costs.
107
Capital Improvement Program. 2009 thru 2013 Contact Paul Oehme
City of Chanhassen, MN Department Water System Improvements
Project # W -024 Type Improvement
Useful Life Unassigned
Project Name Watermain Replacement Category Utilities
Account # 1 700-0000-4751 Account # 3 Priority n/a
Account #2 Total Project Cost $1,400,000
Description I
Replacement of existing water main lines in coordination with the reconstruction of the City street.
Justification I
The City considers the condition of the existing utilities in the process to select streets for rehabilitation in an effort to realize cost savings by
consolidating these projects and also to avoid potential cuts in recently improved streets. If significant repairs are necessary to the existing water
main, replacement may be the most cost effective option. Given the highly corrosive soils in the City, water main replacement is an ongoing
project in the City.
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Expenditures 2009 2010 2011 2012 2013 Total
Construction 700,000 700,000 1,400,000
Total 700,000 700,000 1,400,000
Funding Sources 2009 2010 2011 2012 2013 Total
Water Utility Fund 700,000 700,000 1,400,000
Total 700,000 700,000 1,400,000
Operational Impact/Other 1
These projects will decrease maintenance costs.
131
Capital Improvement Program
City of Chanhassen, MN
2009 thru 2013
I
Account # 3
Contact Paul Oehme
Department Surface Water Management
Type Improvement
Useful Life Unassigned
Category SWMP
Priority n/a
I
Project #
SWMP-019
Account # 1 720-0000-4702
I
Project Name Street Improvement Proje'cts - Storm Water Mgmt
Account #2
Description I
An annual amount set aside for storm water management infrastructure construction or expansion associated with street improvement projects
undertaken by the engineering and public works departments.
Total Project Cost $850,000
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Justification
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Street improvement projects frequently require construction or expansion of storm water management infrastructure in order to comply with
federal, state and local regulations, as well as protecting existing and proposed development adjacent to the projects.
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Expenditures 2009 2010 2011 2012 2013 Total
Construction 50,000 400,000 400,000 850,000
Total 50,000 400,000 400,000 850,000
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Funding Sources
, Surface Water Utility Fund
Total
2009
50,000
50,000
2010
400,000
400,000
2011
i
2012
400,000
400,000
2013
Total
850,000
850,000
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Operational Impact/Other I
Inventory, inspection and maintenance of new infulstructure will be required. Citywide. No map
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Capital Improvement Program 2009 thru 2013 Contact Paul Oehme
City of Chanhassen, MN Department Sanitary Sewer Improvements I
Project # SS-014 Type Improvement
Useful Life Unassigned I
Project Name Sanitary Sewer Replacement Category Utilities
Account # 1 701-0000-4751 Account # j Priority nJa
Account #2 Total Project Cost $550,000 I
Description I
Replacement or rehabilitation of existing sanitary sewer lines in conjunction with the reconstruction of the City street. I
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Justification I
The City considers the condition of the existing utilities in the process to select streets for rehabilitation in an effort to realize cost savings by I
consolidating these projects.
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Expenditures 2009 2010 2011 2012 2013 Total I
Construction 250,000 300,000 550,000
Total 250,000 300,000 550,000
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Funding Sources 2009 2010 2011 2012 2013 Total
Sewer Utility Fund 250,000 300,000 550,000 I
Total 250,000 300,000 550,000
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Operational Impact/Other I I
This project will decrease maintenance costs.
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Capital Improvement Program
City of Chanhassen, MN
Project # 88-012
Project Name Inflow and Infiltration Abatement
2009 thru 2013
Contact Paul Oehme
Department Sanitary Sewer Improvements
Account # 1 701-7024-4751
Acconnt # 3
Type Improvement
Useful Life Unassigned
Category Utilities
Priority nfa
Account #2
Total Project Cost $750,000
Description
This annual project includes televising, repairs and rehabilitation of existing sanitary sewer. The program also detects and eliminates points of
entry of ground water and surface water into the City sanitary sewer system. Projects have been identified from the 2006 Inflow and Infiltration
Report. The projects were reviewed by Metropolitan Council and approved in lieu of surcharge fees.
Justification
City staff has identified numerous older sewer lines that are in need of repair. The City ofChanhassen pays the Metropolitan Council for sewage
treatment. Those payments are based on the amount of flow generated by the City of Chanhassen. Surface water and ground water that makes its
way into the system either through breaks, displaced joints, manhole covers, or private connections to the system increase the amount charged to
the City for sewage disposal and increasing the load on the City's lift stations. Also, MCES would place a surcharge the annual charge if the City
was not actively trying to reduce the inflow and infiltration problem.
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Expenditures
Maintenance
2009
200,000
Total 200,000
2010
200,000
200,000
2011
200,000
200,000
2012
75,000
75,000
2013
75,000
75,000
Total
750,000
750,000
Funding Sources
Sewer Utility Fund
2009
200,000
Total 200,000
2010
200,000
200,000
2011
200,000
200,000
2012
75,000
75,000
2013
75,000
75,000
Total
750,000
750,000
Operationallmpact/Other
The efforts may decrease operational costs, MCES fees and emergency call outs. It is also the city's intent to use connection charges to help fund
for those costs. It is the city's belief that as new customers come on line those connection fees should help fund future infiltration problems.
93