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4 ROSENI LOLINJITEXECUTIVE SUMMARY
CITY COUNCIL
City Council Work Session: February 13, 2008
AGENDA ITEM: Sesquicentennial Events AGENDA SECTION:
Discussion
PREPARED BY: Emmy Foster, Assistant City AGENDA NO.
Administrator ,Z d.
ATTACHMENTS: Leprechaun Days Committee letter APPROVED BY:
requesting contribution for fireworks.
RECOMMENDED ACTION: Review and give direction to Staff.
Summary
To commemorate the sesquicentennial of both our City and the state, the City of Rosemount has been
asked by the Leprechaun Committee to help fund special events for a designated sesquicentennial
celebration day during the annual Leprechaun Days festivities.
Staff met with two representatives of the Leprechaun Days Committee, Maureen Geraghty Bouchard and
John Locke, to discuss the Saturday, July 19, 2008 special events. The following proposed events and
times are used for initial planning; it is a rough outline and subject to change.
Approximate start time of 1 p.m. on July 19` Kicked off by a dedication of plaque by Mayor
and Council members.
The Rosemount Arts Council proposes allowing local artisans working on and displaying their art
in Central Park.
The Leprechaun Days Committee envisions Blue Grass Bands playing in the afternoon at the band
shell.
Live History Event soliloquies and /or history stories presented at a designated time in the
afternoon.
Square Dance demonstration and participation, approximately 7 9 p.m.
Available all afternoon and evening, under tents in the outdoor rink area: Picture Gallery using a
looping PowerPoint presentation which would be projected onto a large screen; and a Gopher
Ordnance DVD and large diorama.
Car Show in parking lot area between City Hall and Central Park (DCTC is not doing their fair /car
show at the same time like last year).
The Leprechaun Days Committee is asking that the City consider making a financial contribution to help
pay for the music.
Each Bluegrass Band costs between $100 $600 per band for 1.5 hr performance
The Square Dance Caller is $200 for 2 hours.
The Committee would also potentially need assistance with the Picture Gallery PowerPoint. The
Committee has the names of a few volunteers who have expressed interest in helping with that.
Please note that the Leprechaun Days Committee also sent a letter (attached) to the Mayor requesting a
monetary contribution to help pay for fireworks for the evening of July 26
City Staff applied for a $1000 grant from the State of Minnesota. The Minnesota Sesquicentennial
Grants Review Committee notified us on January 15 that our project was not selected for funding. We
had requested the funds to purchase and erect a historical maker to be placed on City property near the
site of the original town center in the 1850s. The marker would explain creation of the town in the
context of the first European settlement and the ethnic diversity of the area's current and previous
residents. The marker would have been unveiled during the sesquicentennial celebration. Our hope was
that this effort would be the first of a series of historical markers to be placed around the community in
later years to raise awareness of the history of the community. The estimated cost of the marker was
$1900.
2
Rosemount Leprechaun Days Committee
P.O. Sox 256
Rosemount, MN 55068
+1F ry
ROSE MOUNT
EPREdH
DAY
August 21, 2007
Mayor William Droste
City of Rosemount
2875 —145 St. W.
Rosemount, MN 55068
Dear Mayor Droste,
As you are well aware, the 2007 Leprechaun Days was a great success!! All of the events
during the 10 days were well attended. Saturday's performance of G.B. Leighton and the
fireworks drew well over 10,000 spectators, exceeding any of the Leprechaun Days
Committee member's expectations. It was a spectacular evening. This would not have
been possible without the support the City has given us. Thank you.
2008 will be Rosemount Leprechaun Days 30 year of community celebration. This will also
be the Township of Rosemount and the State of Minnesota's sesquicentennial (150 years). The
Leprechaun Days Committee would like to repeat this year's celebration in 2008, and we are
asking for the City of Rosemount's help.
We would like to request from the City $10,000 to sponsor our 2008 Leprechaun Days
fireworks. The fireworks have always been a big draw on Saturday night. With your
contribution, other monies that are contributed to us would be used for bigger bands,
helping to bring even more people to our celebration.
Any consideration you give to this request will be appreciated.
Once again, thank you for all your support.
Sincerely,
Maureen Geraghty Bouchard
Committee President
4 C(e hte,
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WSB
Associates, Inc.
Memorandum
To: Kim Lindquist, City of Rosemount
Andy Brotzler, City of Rosemount
From: Todd Hubmer, P.E., WSB Associates
Andrea Moffatt, WSB Associates
Date: February 13, 2008
Re: Downtown Redevelopment Storm Water Management Plan
Technical Memorandum
WSB Project No. 1668 -37
As part of the Stonebridge redevelopment project located east of Trunk Highway 3 between
146 Street and Lower 147 Street, as shown on the attached figure, storm water management
measures will need to be incorporated with the project. With this redevelopment project, the
City has the opportunity to implement some innovative and highly effective solutions for storm
water management in a developed area. These storm water improvements are planned to occur
both on -site within the redevelopment area and downstream at a regional pond system. Outlined
below please find a more detailed plan to address storm water management for this area.
On -Site Storm Water Mana2ement (Small Storm Mana2ement)
The storm water management within the redevelopment site is anticipated to use some Low
Impact Development (LID) strategies. Impervious surface will be reduced by incorporating
green space and landscaping as much as possible. While water from roof drains will be directed
downstream via the storm sewer, runoff from other hard surfaces such as the parking lots and
sidewalks will be directed to rain gardens, swales, or other depressed landscaped areas. The
parking lots would be designed with either no or partial curb and gutter to allow storm water to
flow into the rain gardens and swales. These features are anticipated to provide rate control and
treatment for the 1- to 2- year storm events for on -site runoff.
Off -Site Regional Storm Water Management (Large Storm Management)
For larger storm events, additional treatment will be provided downstream at a regional pond
system. Currently, storm water from the area is directed by the storm sewer along Burma
Avenue to the north to Erickson Pond in the park. Erickson Pond is a Preserve wetland in the
City's Wetland Management Plan and also is highly visible within the public park area. Storm
water from the redevelopment area will continue to be directed to Erickson Park; however, a new
regional active storm water management treatment system will be constructed immediately
upstream of Erickson Pond. This system would encompass the following two components:
K 101668.3MdmalDxilMEMO- 021308- ab doc
February 13, 2008
Page 2
Course sediment removal system: A large, vortex -based grit chamber would be
installed near the end of the storm sewer pipe, upstream of Erickson Pond. This
system uses gravity and storm water flow to remove the coarse sediment in the storm
water. This system is anticipated to removes 40 -80% of the sediment and 10 -30% of
the phosphorus, depending on the storm event.
Chemical treatment system: Once the sediment is removed, water will be directed via
Erickson Pond to an underground chemical treatment system. Water from Erickson
Pond will be pumped into the underground treatment system. Through the use of
alum as a flocculent, the phosphorus will be removed and the clean water returned to
the basin. This system will cycle water and be designed to avoid short- circuiting of
the water. This is effective enough to remove phosphorus to detection limits and
provide significantly better treatment than traditional ponding BMP' s.
The regional treatment system will be designed not only to treat the water from the specific
redevelopment area, it will be designed to treat the water from the entire 83 acre downtown
subwatershed. The larger downtown area land cover consists of fully developed residential and
business areas. Storm water in this area runs off the hard surfaces and enters the storm sewer
system without any treatment. All of this water for the larger 83 acre watershed is directed to
Erickson Pond. This plan will not only provide treatment for the redevelopment area, but will
also treat the larger 83 acre area of the existing developed downtown area; improving existing
conditions and accommodating additional future redevelopment within the downtown area.
If you have questions, please feel free to call us at (763)541 -4800.
c. Pete Willenbring, WSB Associates
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