B Dogwood Improvements
CITY OF
CHANHASSEN
7700 Market Boulevard
PO Box 147
Chanhassen, MN 55317
Administration
Phone 952227.1100
Fax 952.227.1110
Building Inspections
Phone: 952227.1180
Fax 952.227.1190
Engineering
Phone 952227.1160
Fax: 952227.1170
Finance
Phone: 952227.1140
Fax 952.227.1110
Park & Recreation
Phone 952227.1120
Fax 952227.1110
Recreation Center
2310 Coulter Boulevard
Phone 952227.1400
Fax 952227.1404
Planning &
Natural Resources
Phone 952227.1130
Fax 952227.1110
Public Works
1591 Park Road
Phone 952227.1300
Fax 952.227.1310
Senior Center
Phone 952227.1125
Fax: 952227.1110
Web Site
www.ci.chanhassen.mn.us
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MEMORANDUM
<!.e.
TO:
Paul Oehme, City Engineer/Public Works Director
FROM:
Alyson Morris, Assistant City Engineer
rtfl
DATE:
October 24, 2005
SUBJ:
Discuss Dogwood Improvements, Project 00-01-1
BACKGROUND
On October 3,2005, the City received a petition signed by 53% of the property owners
on Dogwood requesting preparation of a feasibility report for the installation of public
improvements along Dogwood Road and Tanadoona Drive. The neighbors amended the
standard city petition to state that the City would pay for the study and if the project
proceeds, the cost of the feasibility report would be assessed back to the benefiting
properties. A copy of this petition is enclosed. Most of the property owners who have
signed the petition are mainly interested in city sewer service. This area has experienced
many septic system problems with failed or potential failing systems.
Two feasibility studies have been drafted for future improvements to Dogwood Road;
one in January, 2002 and one in May, 1988. Both reports were paid for by the private
parties, not by the City and included future watermain, sanitary and roadway
improvements.
Bruce Carlson, owner of 7537 Dogwood Road, has approached city staff regarding the
development of his property and a portion of the property to the south, 7570 Dogwood
Road, which is owned by Peter and De Brandt. The proposed development includes 22
single-family homes and the extension of West 78th Street to Dogwood Road. A copy of
this concept layout is attached. Public sanitary and waterrnain improvements necessary
to serve this development would extend within Tanadoona Drive and Dogwood Road
right-of-way. Bruce Carlson may plan to start the development review process in the
near future.
On September 21,2005, staff met with several residents along Dogwood Road to discuss
their interest in utility and roadway improvements. A copy of the neighborhood sign-in
sheet is attached. As with the previous two times that street and utility improvements
were discussed, residents were concerned with the costs, the wider street, and tree loss.
UTILITIES
In order to proceed with the Bruce Carlson development, watermain must be extended
from Tanadoona Drive, just west of the entrance to Camp Tanadoona. Gravity sanitary
sewer for the proposed development would extend to the existing lift station. The
existing lift station and forcemain are not adequately sized to convey wastewater from the
existing homes along Dogwood Road or from the proposed development; therefore new
pumps and a larger forcemain would be required. The development would help pay for
The City of Chanhassen · A growing community with clean lakes, quality schools, a charming downtown, thriving businesses, Winding trails, and beautiful parks A great place to live, work, and play
Dogwood Road
October 24, 2005
Page 2
the improvement cost along Dogwood Road to help offset some of the costs to the
benefiting properties. Specifically, the existing lift station and forcemain on Dogwood
would need to be improvement and is proposed to be paid for by the developer.
Paul and Mary Sumner, owners of 7620 Crimson Bay Road, have expressed interest in
connecting to city sewer due to problems with their septic system. To accomplish this,
gravity sanitary sewer would be installed within Crimson Bay Road. It is anticipated a
small lift station would be required at the north Crimson Bay Road to serve the five lots
along Crimson Bay Road and a forcemain would be installed within the street and
connect to the gravity sanitary sewer within Dogwood Road. Roadway right-of-way
would be dedicated from Dogwood Road to Crimson Bay Road. Should City Council
authorize the preparation of the feasibility report at a future meeting, staff recommends
that the Crimson Bay Road area also be included in the scope of the project for future
utility extensions. Other property owners along Crimson Bay Road have also expressed
interest in connecting to city services.
~.
LAKE
MINNEWASHTA
End 01 existing guvity
/ s.lIlit.uy sewer
nd of existing high
proftssme watetllMin
WESTWOOD
CHURCH
WEST 78TH STREET
ARBORETUM
ARBORETUM
-! HIGHWAY 5
~
~
STREETS
Public sanitary sewer and watermain to serve the proposed development would be
installed within Dogwood Road and Tanadoona Drive right-of-way. Dogwood Road and
a portion of Tanadoona Drive are gravel. Staff surveyed street pavement condition and
found that the street is in poor condition. The Pavement Condition Index (PCI) is 5 out
of 100. The PCI is used in the City's Pavement Management system to determine which
streets are recommended for improvement. When the PCI is 40 or less, it is
recommended that the street be reconstructed.
G:\ENGIPUBLICIOO-OIIOO-OI-lIbkgd ws discussion 1O-24-05.doc
Dogwood Road
October 24, 2005
Page 3
Dogwood Road currently ranges between 10 and 16 feet wide. Per the Fire Marshal, the
minimum street width for emergency vehicles ingress and egress is 24 feet. The previous
feasibility study recommended narrowing the street from City standards to save on tree
loss. This approach has been discussed on other street improvement areas where
roadways do not currently meet city standards such as in the Carver Beach area. The
right-of-way in this area is mainly 20' wide. If the road were to be widened, additional
right-of-way would need to be acquired.
MnDOT has advised staff that at some point in the future, access to Crimson Bay Road
from Highway 5 may be restricted to a right-in, right-out access. Based on this
information, staff would recommend the development dedicate right-of-way from
Crimson Bay Road to Dogwood Road to plan for a secondary connect. Also, future
utility extension to Crimson Bay Road could utilize this right-of-way.
FUNDING
Since Tanadoona Drive and Dogwood Road are public streets and City maintained, staff
envisions using the City's assessment practice of assessing 40% of the street
improvement costs back to the benefiting property owners. The remaining 60% of the
cost would be paid by the City. However, if any new development lot fronted Dogwood
Road, the developer would pay 100% of the roadway improvement cost for that lot.
Most of the financing is consistent with the annual street improvement assessment
practice. Funding for the watermain and sanitary sewer improvements would be 100%
paid by the developer and the benefiting property owners.
RECOMMENDA TION
Staff recommends Council authorize preliminary investigation work for this project.
Staff envisions updating the January, 2002 feasibility costs and assessment methodology
and coming up with preliminary cost splits for the project. Also, staff is recommending
reviewing the right-of-way needs in the area and seeing if the right-of-way could be
dedicated. After the preliminary investigation information is obtained, staff would hold a
neighborhood meeting to discuss the findings. The feedback received from the property
owners would then be presented to Council to see if a feasibility study should be drafted.
Staff estimates that the preliminary investigation work would cost approximately
$10,000.
If this project moves forward, the earliest the project would be considered for
construction is in the summer of 2007.
Attachments: 1. Concept layout for Bruce Carlson.
2. Petition for Public Improvement.
3. September 21,2005 neighborhood meeting sign-in sheet.
G,IENGIPUBLlCIOO-OI 100-0 1-1 Ibkgd ws discussion 1O-24-05.doc
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Petition ~or .Public Improvement
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Property Owner(s) may request the City of Chanhassetl co construct a Public Improvement. The first step of a Public Improvement by the City is
a Feasibility Study. Preparation of a Feasibility Study does not ill any way bind tile Property Owner(s} requestill8 the Study or the City of
Chanhassen to su.pport or do a projecl. 'fftE: D~p.... t) OH}l~1 (ol) 1(;'~",~,)U".6 thg r:;'LJ"(!;k;J;~, S'ud)' j,!:' lJ.f...:. "J tv ...\.pu;,J, e.)crow equal I-U ~. J,'S'Jb.;j.
l,'lllJt:J.L4ted .3831 a/tht Sm.iy. 1'I{~CiPi nUl ...~(,.. ,lit; mUHc.l ,t) l'<<}!fJf ~h8 2821 B./t,~G :-~aJihi!it) :;i.~J' Iftl~.." P,VJ....~t i& 8r~ u!~ th", '/'If"] nnu'umt
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,~if 'llf' ,n1'njl1/'f i,. Qor ""'ili"",tml, nn)' rl'1rti^u nf tft" IH'rrl1W "I1t ''''(Ie! fe lSY sBIUBI 2.Bf.':'C j'l&Jr-gff '''Y r(w rrt;y /nr tl,,~ P..".nJ'l,."t;,.,~ p/"
NM;/'ill,"' JlJ'a;,., ill b~ liJfiJ.!iei M Ill. .nl{Jp~, I}' QII"W[J"}. The City Council has sole discretion in ordering the preparation of a Feasibility,
Study and ordering a PublicImprovemelll Projecl. ~ fMd. ~ l?y ~J...~ uwnl tN.- ~J~~~) ~.s
1twov~/ #.W\ ~~s. (A.,ff",U~.u! bfHA.. "1 f<i {C~NH
We the undersigned property owners. . ~@~O'lffEflJJASSCN
Request the Preparation of a Feasibility Study for the following Public ImprovementOCT 03 2005
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