Maplewood Mall Stormwater Retrofit Julie Vigness-Pint - - PowerPoint PPT Presentation

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Maplewood Mall Stormwater Retrofit Julie Vigness-Pint - - PowerPoint PPT Presentation

Jan 01, 2024 19 likes •453 views

Maplewood Mall Stormwater Retrofit Julie Vigness-Pint Ramsey-Washington Metro Watershed District Location The Purpose Meeting MN Pollution Control Agencys shallow lake standard Both internal and external phosphorus loads in Kohlman

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Maplewood Mall Stormwater Retrofit

Julie Vigness-Pint

Ramsey-Washington Metro Watershed District

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Location

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The Purpose

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Meeting MN Pollution Control Agency’s shallow lake standard

  • Both internal and external phosphorus loads in

Kohlman Lake must be addressed

  • 90% reduction of Kohlman Lake internal

phosphorus load

  • 25% reduction of the total phosphorus (TP) load

from the “Main Drainage District”

  • Target dissolved and fine particulate phosphorus
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The Process

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  • Simon Property Group’s mission

statement: To be the preeminent developer,

  • wner and manager of retail real estate. To

create and continually enhance stockholder value through the ownership of a high quality portfolio of premier properties and a commitment to our employees, our customers, our retailer and business partners and the communities in which we operate.

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Simon Property Group, Inc.

  • Nationally S&P 500 company and the largest

real estate company in the U.S.

  • Currently own or has interest in 393

properties comprising of 263 million square feet of gross leasable area in North America, Europe, and Asia

– Assets include regional malls, Premium Outlets, The Mills, community/lifestyle centers and international properties

  • Headquartered in Indianapolis, Indiana and

employs over 5,000 people worldwide

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  • Opened in July 1974
  • Simon Property Group, Inc.

acquired in 2002

  • Over one million people

visit each year

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Concerns from the Mall’s Perspective

  • Appearance of features
  • Maintenance
  • Disruption of shopping, especially during the

holiday shopping season

  • Coordination of agreements from anchor

stores, other tenants, who have differing lease agreements

  • Loss of Parking Spaces
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Maplewood Mall

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Before and After Renderings Showed the Mall Owners What to Expect

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Designs that Minimized Loss of Parking Were Presented

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However, in some areas, mall owners were willing to lose spaces to gain aesthetic appeal and traffic control

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Concerns from the Watershed District’s perspective

  • Cost-effectiveness and visibility
  • Strong interest in keeping some features

“above ground” where they are visible and less expensive to construct and maintain

  • Access to the corporate office where the

company’s decisions are made

  • Many utilities (some not well marked) to deal

with in design and construction

  • Compacted soils- low infiltration rates
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The Projects

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Phase 1: Entrance Rainwater Gardens Construction in 2009/2010 Designed to capture 1.3 inches off of 7 acres of impervious

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Steel fiber was added to some of the rainwater gardens’ sand trench media (5% by weight)

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Trees, plants, shrubs were chosen to be colorful, easy to maintain and tolerant

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Southlawn Dr Entrance Garden

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Southlawn Dr Entrance Garden

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Southlawn Dr Entrance Garden

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Southlawn Dr Entrance Garden

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Southlawn Dr Entrance Garden

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Southlawn Dr Entrance Garden

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Real Life vs. Rendering

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County Road D Entrance

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Woodlyn Ave Entrance Garden

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Woodlyn Ave Entrance Garden

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Woodlyn Ave Garden Inlet

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Woodlyn Ave Entrance Garden

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Woodlyn Ave Entrance Garden

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Lydia Ave Entrance Garden

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Lydia Ave Entrance Garden

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White Bear Ave Entrance Garden

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White Bear Ave Entrance Garden

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Beam Ave Entrance Garden

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Phase II: Northeast Parking Lot

BWSR Clean Water Legacy Grant Final Design in 2010 Construction in 2011

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Possible Phase II Project Elements: Educational Signage, and …

Porous Pavement

Source: Silva Cells RWMWD Parking Lot

Tree Boxes

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Planters, Cisterns and other Water Features

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Phase III: West/ Northwest Parking Lot, and potentially more

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Questions?