HomeMy WebLinkAbout6.n. Authorize Preliminart Design- Shannon Parkway/CSAH 42 Intersection, Eng 0116AGENDA ITEM: Authorize Preliminary Design- Shannon
Parkway /CSAH 42 Intersection, ENG
0116
AGENDA SECTION:
Consent
PREPARED BY: Andrew J. Brotzler, P.E City Engineerk
AGENDA NO. 6n
ATTACHMENTS: Resolution, July 21, 2006 Letter
APPROVED BY:
RECOMMENDED ACTION: Motion to Adopt a Resolution Authorizing a Prelimin ry Design
and Order a Feasibility Report for Shannon Parkway /CSAH 42 Intersection, ENG 0116.
�C ROSEMOUNT
SUMMARY:
CITY COUNCIL
City Council Meeting: August 2, 2006
EXECUTIVE SUMMARY
ISSUE:
Review mtersection geometncs at Shannon Parkway and CSAH 42 and evaluate improvement options.
BACKGROUND:
In the past, Council has discussed the geometric issues at Shannon Parkway and CSAH 42. Most notably,
due to an offset in the centerline of Shannon Parkway north and south of CSAH 42, the presence of
opposing left turning vehicles at the mtersecuon results in a blind spot for turning vehicles.
This intersection was recently discussed by Council at the June work session in conjunction with the
Dakota County CIP letter. Based on Council direction, a request for left turn arrows to be added to the
signal system at Shannon Parkway and CSAH 42 was included with the Dakota County CIP letter. It was
noted that the addition of left turn arrows to this signal system would require the mstallauon of new mast
arms to the signal system, a fairly significant improvement. Based on this and Council direction to renew
the geometric issues at the mtersecuon, staff is presenting the attached scope to Council to review and
develop a prehmunart design for the mtersecuon to address the geometric issues The preliminary design
will also review the cross section of the intersection to evaluate options to flatten the cross section of
CSAH 42. The scope also includes the development of a cost estimate for Council use with future
budgeting
Staff is requesting Council authorization to complete prelmmnary design and feasibility study for Shannon
Parkway /CSAH 42 Intersection, ENG 0116.
G ENGPROJ \Eng0116 \ParnDesignCC8 -2 -06 doc
WHEREAS, the City Council of the City of Rosemount deems it necessary to do a preliminary design
at Shannon Parkway/ CSAH 42 intersection, and
WHEREAS, after the preparation of the preliminary design deem it necessary to investigate the feasibility of
the Shannon Parkway /CSAH 42 intersection, ENG 0116.
NOW THEREFORE BE IT RESOLVED, the Staff is directed to have the necessary preliminary design
and feasibility report prepared for Shannon Parkway/CSAH 42 intersection, ENG 0116.
ADOPTED this 2nd day of August, 2006.
ATTEST:
Amy Domeier, City Clerk
CITY OF ROSEMOUNT
DAKOTA COUNTY, MINNESOTA
RESOLUTION 2006
A RESOLUTION AUTHORIZING A PRELIMINARY DESIGN AND
ORDER A FEASIBILITY REPORT FOR
SHANNON PARKWAY /CSAH 42 INTERSECTION
ENG 0116
William H Droste, Mayor
Motion by Second by:
Voted in favor:
Voted against
s
WSB
&:fsotares, Inc Infrastructure 1 Engineering 1 Planning 1 Construction 701 Xenia Avenue South
July 21, 2006
Mr. Andy Brotzler, P.E.
City Engineer
City of Rosemount
2875 145 Street
Rosemount, MN 55066
Re: CSAH 42 at Shannon Parkway
Preliminary Design /Feasibility Study
Dear Mr. Brotzler:
Suite 300
Minneapolis, MN 55416
Tel 763 541 -4800
Fax 763 541 -1700
WSB Associates, Inc. is pleased to submit this proposal to prepare a Preliminary Design and
Feasibility Study for the intersection of CSAH 42 and Shannon Parkway. It is our understanding
that Dakota County is interested in improving the signal operation of the intersection. The City
Council has also raised concerns over the geometncs and Safety of the intersection. Therefore, the
intent of the Preliminary Design Study would be to insure that appropriate improvements are made
if and when the County upgrades the signal system. Based on this, we have developed a Scope of
Services for this project. Each task is discussed below:
Task 1: Data Collection
This task will include collecting available data from the City of Rosemount and Dakota County for
this intersection This data will include existing approach counts and turning movement counts, as
available. In addition, WSB will prepare detailed base mapping of the intersection, including
existing geometric layout, public and private utility locations, and right -of -way documentation. The
results of this will be a detailed base map that can be utilized for preliminary design and cost
estimates.
Task 2: Preliminary Design
WSB will prepare alternative geometric layouts, including signal phasing options for up to three
build alteratives. We will work with City staff and Dakota County in development of each
alternative The alternatives will include options from the realignment/widening of the intersection
to stnping alternatives. This task will include preparation of detailed layouts, including both
horizontal and vertical alignments through the intersection. This task will also include the
preparation the preliminary cost estimate for each alternative.
Task 3: Feasibility Report Preparation
A Preliminary Feasibility Report will be prepared documenting the data collected for the
intersection, the analysis of each geometric layout, the documentation of the estimated construction
cost for each alternative and potential funding sources. The report will be prepared and submitted
Mmneapohs 1 St Cloud
Equal Opportunity Employer ILEttER PROPOSAUUVRosemounIILTR- CSAHa2- Smnnon Phy- 071906 floc
Mr. Andy Brotzler
July 21, 2006
Page 2
to City staff for review. Once the report has been reviewed by City staff, the final report will be
presented to City Council for their review and approval.
WSB is prepared to begin work on this project immediately upon approval by the City. The
Preliminary Feasibility Report will be completed within three months of notice to proceed. The
final report would then be presented to the City Council following review by the City staff
If you have any questions or require any additional information on this proposal, please feel free to
contact me at 763 287 -7183.
Sincerely,
WSB Associates, Inc.
lh
c}A,T
Charles T. Rickart, P.E., P.T.O.E.
Project Manager/Principal
P (LETTER PROPOSAL51RosemoamlLTR CSAN 42- Shannon Pkxy 071906 doe