CR2002-083 - Shady Oak Pond SSewer
f CITY OF
" " . ~
. May 16,2002 k 0 P KIN S Council Report 2002-83
Order Feasibility Report
Shady Oak Pond Storm Sewer Improvement Project - City Project 02-02
Proposed Action
Staff recommends adoption of the following motion: Move that Council adopt
Resolution 2002-44, Resolution Orderinr; the Preparation of a Feasibilitv Rep0l1 For the
Shady Oak Pond Storm Sewer Improvement Project.
Overview
Shady Oak Pond currently does not have an outlet and as a result the surrounding street
and residential properties flood if the ponel is not pumped out when it gets near flood
levels. In the 1997 Hopkins Flood Response ^ction Plan adopted by the Hopkins City
Council, the Shady Oak Pond area was identified as Area No. 1 and is the last remaining
project area in the action plan. The first step in proceeding with the Shady Oak Pond
Storm Sewer Improvemcnt Project is ordering a feasibility report. Staff has selected a
qualified consultant to undertake preliminary engineering and compiling the rcport and
requests City Council approval to proceed. The cost of the report, project survey.
research, and agency coordination work is $28,095. Project design and construction
. oversight services would be negotiated separately after the report phase and Council's
ordering of the improvement project. It is anticipated that this work will ultimately be
constructed at approximately the same time as the Shady Oak Road reconstruction project
and other planned area roadway reconstructions. Because of the complex nature of this
project. staff felt it was imperative to begin looking at the various options associated with
alleviating the flooding problem. in advance of the reconstruction designs.
Primary Issues to Consider
. Project background
. Why order a feasibility report?
. Selection 01" consultant
Supporting Information
. Short Elliott Hendrickson Inc. Proposal
. Resolution 2002-44
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. U,/.-tf'-- - :--{ }
Steven G. Bot
Assistant City Engineer
· Financial Impact: $ 28.095 Budgeted: Y/N L Source: Storm Sewer Utility Fund
Related Documents (Crp. ERP. etc.): CIP (Budget of $200,000 for this proiect in '1003)
a
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. Council Report 2002-83 Page 2
Analysis:
. Project background
The lack of an outlet to Shady Oak Pond has resulted in many problems for
Hopkins residents over the years. The pond has been and continues to necessitate
high maintenance costs in order to keep the pond somewhat functional without an
outlet. The problems associated with this area are vast and include areas such as
the intersection of 18th A venue North and 15t Street South, which Hoods upstream
of the pond during heavy rains because the water has no downstream outlet after it
reaches the pond. In addition to looking at the outlet options, the potential for
gaining additional storage capacity through dredging will be looked at as an
option. One problem that exists with many of the potential solutions to the
flooding problems this area faces is the fact that the existing pond contains purple
lustrife which is an undesirable species of plant that the DNR does not want
spread to potential downstream ponds. Hopkins has been working in cooperation
with the DNR to remove the purple lustrife and will continue to engage in talks
with the DNR and other appropriate agencies as all potential options are
evaluated. Other agencies that will be coordinated with during the fcasibility
preparation are Hennepin County, who plans to reconstruct Shady Oak Road in
. thc near future, and the City of Minnctonka, vvho may potentially be able to
handle some or all of the outflow from the pond.
. Why order a feasibility report?
Staff feels it is necessary to prepare a feasibility report because of the numerous
options and potential solutions to the area nooding problems. The repOli will
examine and research the feasibility of all potential options, provide preliminary
engineering information and project cost estimates to help City Council decide
whether or not to proceed with the project. It is also used to present and discuss
the project with the abutting residential and commercial owners.
. Selection of consultant
Staff reviewed past performances of the various City consultants and selected
Short Elliott Hendrickson, Inc. (SEll) as the engineer of choice on this project.
The City has completed several successful projects under SEH and has had good
working relations with that firm" s employees. In addition, SEH (formerly RCM)
was responsible for the development of the City's 1997 Flood Response Plan that
identified Shady Oak Pond as a problem area and began to look at solutions to the
Hooding problems that occurred. Water resources and storm water design
projects such as this one is a strength of SEI I. They have proven to be very
. competent and responsive in the design and completion of numerous Hopkins
storm sewer improvement projects, many of which were identified in the 1997
Flood Response Plan. Staff is mindful that it carry this mode of selection through
with other kinds of projects and other consultants in order to meet a level of fair
play.
Arse~ 3535 Vadnais Center Drive, St. Paul, MN 55110-5196 651.490.2000 651.490.2150 FAX
architecture ~~ngineering 61l1'zronmental . transportation
.
April 15, 2002 RE: City of Hopkins
Shady Oak Pond Outlet Feasibility Report
SEHNo. P-HOPKN0202.00
Mr. Steve Bot
Assistant City Engineer
City of Hopkins
10 10 First Street South
Hopkins, MN 55343
Dear Mr. Bot:
On behalf of Short Elliott Hendrickson Inc. (SEH), we are providing a scope of services for the Shady Oak
Pond Outlet Feasibility Report.
Scope of Services
1. SEH will evaluate four options for the outlet of the Shady Oak Pond: I) Storm sewer along Shady Oak
Road to Excelsior Boulevard; m Storm sewer along 1st Street N, and then traveling south along
lSth/19thl or 20th Ave. N; ill) Discharge all through Minnetonka; and IV) Lift station. Options 1, II, and
. IV will be evaluated by first assuming all the outflow will go tinough the stann sewer and lift station,
and secondly assuming 11 cfs will discharge through Minnetonka, and the remaining will discharge
through the City of Hopkins, as written in the City of Minnetonka' s 1999 Water Resource Management
Plan. The additional storage volume provided by the dredging of the island will also be evaluated under
all four options.
2. SEH will verify the entire drainage boundary for the Shady Oak Pond, using existing information and
data that was completed as part of the 1997 Hopkins Flood Response Plan, a site visit, and any
additional data that is provided by the City.
3. SEH will evaluate the flooding problem identified as Area 3 in the 1997 Flood Response Plan at the
intersection of 1 st Street North and ISth A venue North. The solution for this problem will be included in
the final recommendation.
4. SEH will generate preliminary constmction cost estimates for the four options, for budgeting purposes.
5. SEH will initiate discussions with the DNR and other agencies regarding the removal of the islands in
the pond which contain purple lustrife. There will also be some discussion on the impacts on the
downstream system from discharging the pond that contains purple lustrife. SEH will provide records of
the conversations with the regulatory agencies.
6. SEH will initiate discussions with the City of Minnetonka regarding the City's 1999 Water Resource
Management Plan and Option ill that proposes discharging all~;;btfr.cj.:-v.' through the City of
Minnetonka. We will also coufum that, as a minimum, the City of Minnetonka will allow the discharge
. of 11 cfs through the City of Minnetonka (Two meetings anticipated)
7. SEH will initiate discussions with Hennepin County regarding the reconstmction of Shady Oak Road
and coordinate the information and needs of the two projects. (Four meetings anticipated)
Short Elliott Hendrickson Inc. . Your Trusted Resource . Equal Opportunity Employer
Tvlr. Steve Bot
Aprill5, 2002
. Page 2
8. SEH will establish the Watershed Management Organization's (WMO) requirements for design.
9. SEH will produce a Feasibility Report which will include:
A, Summary of the evaluation of the four outlet options for Shady Oak Pond.
B. Preliminary construction cost estimates.
C. Summary of the discussions with the regulatory agencies regarding the purple lustrife.
D. Summary of discussions with the City of Minnetonka regarding discharge through the City.
E. Summary of discussions and coordination with Hennepin County.
F. The WMO's design requirements.
G. Recommendations.
Oeliverables
The deliverables for the project include:
1. Drainage map.
2. A preliminary layout of the storm sewer in options I, 11 and IV.
3. Ten (10) copies of the final Feasibility Report.
Schedule
. We propose to begin work immediately upon approval of the scope of work by the City Council. We
propose to complete the rep0l1 within twelve weeks from receiving a written notice to proceed from the City.
Compensation
The estimated fee for the scope of work is $28,095. The breakdown of the tasks and hours is attached.
After you have had time to review the proposal, please contact either Dave Halter at 612.758.6821 or Beth
Peterson at 651.765.2901 to schedule a meeting to further discuss the project. We look forward to workjng
with the City of Hopkins.
Sincerely,
SHORT ELLIOTT HENDRICKSON INC.
LiUc(!k: .~ C. Y~'GV~
\ '
David C. Halter, P.E. Beth C. Peterson
Client Service Manager Project Engineer
BCP/sah/DCH
Attachment
c: Steve Stadler, City of Hopkins
Shari Louis, SEH
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. CITY OF HOPKINS
HENNEPIN COUNTY, MINNESOTA
RESOLUTION 2002-44
RESOLUTION ORDERING THE PREPARATION OF A FEASIBILITY REPORT
FOR THE SHADY OAK POND STORM SEWER IMPROVEMENTS
CITY PROJECT 02-02
WHEREAS, the Shady Oak Pond docs not currently have an outlet and
WHEREAS, the lack of an outlet has causes potential nooding problems in the area: and
WHEREAS, thc 1997 Hopkins Flood Response Action Plan, adopted by the IIopkins
City Council. identified the Shady Oak Pond as Area No.1; and
WHEREAS, the most reasonable first step in developing a feasible solution to the
problems is the ordering of a feasibility report.
NOW, THEREFORE, BE IT RESOLVED, by the City Council orthe City of Hopkins.
Minnesota, that the proposed improvements be referred to the firm of Short Elliott Hendrickson,
. Inc. for study and that they be instructed to report to the Council \vith all convenient speed
advising the Council in a preliminary way as to whether the proposed improvcment is feasible
and as to whether it should best be made as proposed or in connection with some other
improvemcnt, and the estimated cost of the improvement as recommended.
Adopted by the City Council of the City ol'Hopkins. Minnesota, this 21,1 day of May, 2002.
Eugene]. Maxwell, Mayor
A TrEST:
Terry Obermaicr. City Clerk
.