Title
Resolution to Approve Professional Services Agreement with Conservation Design Forum for Kingsley Street Rain Garden Design, Construction and Management Services ($25,440.00)
Memorandum
On November 15, 2010, Ann Arbor City Council approved acceptance of a Federal Emergency Management Administration (FEMA) Grant to purchase the property at 215 and 219 West Kingsley Street, demolish the structure at 219 West Kingsley Street, and deed restrict the property as open space. The City intends to install a rain garden at the site as a separate project from the FEMA grant. The property purchase process is currently underway. Demolition of the existing structure is expected to take place by the fall of 2011. Conservation Design Forum will be utilized to develop the grading plan that will be used by the demolition contractor, so it is desirable to enter into this contract at this time to enable this plan preparation to be performed. Rain garden construction will follow the demolition.
Your approval is requested to authorize a Professional Services Agreement with Conservation Design Forum (CDF), in the amount of $25,440.00 for Design, Construction and Management Services for the Rain Garden Project at 215 and 219 West Kingsley Street. The purpose of this rain garden is to reduce flooding in the area by increasing both flood storage capacity and the potential for stormwater infiltration.
The project site is in the floodway of Allen Creek, only 2,250 feet upstream of its outlet into the Huron River. The Allen Creek creekshed contains 84% of the City’s total number of floodplain structures and 87% of the City’s residential floodplain. The corner of North First and West Kingsley Streets, in front of 219 West Kingsley Street, is a local low spot within the Allen Creek floodplain and is one of the first areas to flood in the entire system. The installation of a rain garden at the site will provide additional storage capacity and will help to reduce the frequency of...
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