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PROJECT SCOPE:The Minnesota Twins’ baseball team was developing an open-air 40,000-seat ballpark in the Warehouse District of Downtown Minneapolis. Our Solution Blue team members worked with the MN Twins organization, MN Ballpark Authority, Metropolitan Council, HOK Sport and Mortenson Construction to facilitate the planning, design, development and implementation of an innovative stormwater management system for the Twins’ new ballpark facility.
CHALLENGES:• Ballpark located within a dense, urban setting in Downtown Minneapolis.• Complex network of buildings, streets, major highways and infrastructure surrounds the facility. • Minimal space available on-site for traditional stormwater management systems.• Realignment of major roadways to accommodate the stadium added to project’s overall complexity.
SOLUTION:Our Solution Blue team members engineered and implemented an innovative stormwater management system within Target Plaza. Our team designed, provided information to receive regulatory approval, produced construction documents and managed the construction process for this stormwater system.
Location: Minneapolis, MN Client: M.A. Mortenson Construction, MN Ballpark Authority
Graphic Rendering (Courtesy of HOK Sport, Inc.)
Completed Plaza After Installation of Plants & SodCompleted Plaza After Installation of Plants & Sod
Under Construction: Stormwater Management System in Plaza
• Implemented a cutting-edge system that provides stormwater storage, fi ltration and re-use via passive irrigation.• Reinforced the soils below turfgrass to endure excessive foot traffi c and withstand vibrations from I-394 bridge.• Provided an economical and environmental solution to effi ciently achieve the stormwater management objectives.
PROJECT SCOPE:The University of Minnesota was developing a new football stadium on the University’s East-Bank campus in Minneapolis, MN. Mortenson Construction was the general contractor that worked with various designers, engineers, University offi cials, the City of Minneapolis and our Solution Blue team members to successfully execute the planning, fi nancing, design and construction of this state-of-the-art, LEED® certifi ed athletic facility.
CHALLENGES:• Located within a highly developed urban setting with minimal space available for stormwater management features. • Diffi cult to achieve stormwater management (quality & quantity) objectives due to lack of available green space. • University needed to establish an economically and environmentally viable solution to manage stormwater on-site.
SOLUTION:Solution Blue team members designed and implemented an innovative stormwater management system along University Avenue. Our team designed, engineered and managed the installation of this cutting-edge stormwater system.
TCF BANK STADIUM: MINNESOTA GOPHERS’ STADIUM (PLAZA SPACE)
Location: University of MN (Minneapolis, MN) Client: M.A. Mortenson Construction, Veit Companies
PLAN: 3.75-Acre Watershed Directing Runoff to 0.50-Acre Plaza Space Completed Multi-Functional Plaza Space
Aerial View: Installation of Sand Profi le as Part of Stormwater System Installation of Liner & Chambers as Part of Stormwater System
3.75 Acre Watershed
Football Field
University Avenue Multi-Functional Green Space(0.50 Acres)
Bleachers
• Employed an all-in-one system that provides superior drainage, storage, water re-use and complete stormwater mgmt. • 0.50-acre green space accommodates 3.75-acre watershed and effi ciently manages 5-year rainfall event (3.5” in 24 hours). • 0.50-acre green space provides 120,000-gallon storage capacity (within soil profi le and temporary storage above turfgrass). • System’s pollutant removal rates: 90% TSS (Total Suspended Solids), 80% Phosphorus, 60% Nitrates.• Incorporated mesh materials in soil profi le so turfgrass can effectively support heavy broadcasting and emergency vehicles.• Stadium was designated as the fi rst ever LEED® certifi ed collegiate football stadium in the country.
PROJECT SCOPE:An existing dealership acquired additional land (adjacent to their site) to accommodate a building expansion and extra space for vehicle parking and storage. Solution Blue team members worked with the dealership owners, City of Maplewood, Ramsey-Washington Metro Watershed District and the general contractor throughout this project. We provided complete design, water modeling, civil engineering and construction management services to successfully implement a network of permeable paving and water storage technologies, which properly achieved the stormwater management objectives.
CHALLENGES:• Located in an urban setting with minimal space available for stormwater management features. • Conventional design/engineering would incorporate a retention pond for stormwater storage, which decreases the amount of space available for vehicle parking and storage. • Integrating the landscape plan with stormwater management objectives was diffi cult due to the owner’s aesthetic expectations and having to meet the City’s building code requirements. SOLUTION:Our Solution Blue team members provided the initial site assessment, stormwater modeling, design development, construction documents and managed the installation of this stormwater management solution. The design incorporates two permeable paving technologies with an aggregate profi le that provides suffi cient stormwater storage and fi ltration.
VOLKSWAGEN DEALERSHIP EXPANSION
Location: Maplewood, MN Client: General Contractor
Intersection of Open-Grid & Permeable Concrete Pavers
Permeable Paver Parking & Storage Area
• Provided an alternative solution to a traditional retention pond (which provides no space to store vehicles). • Created a multi-functional system that meets stormwater management objectives, but also accommodates 100 additional stalls for vehicle parking and storage. • Provided support to help obtain a $25,000 grant from the Watershed District for implementing an innovative, cutting-edge solution that achieved stormwater management objectives.
Permeable Concrete Pavers with Modular Retaining Wall
PROJECT SCOPE:The Church hired Solution Blue to provide solutions to help the Church achieve three (3) main objectives: (1) Provide a drainage solution for fl ood prone areas adjacent to the sanctuary. (2) Eliminate or drastically reduce the City of Minneapolis’ monthly Stormwater Utility Fee (quality & quantity credits).(3) Incorporate the proposed landscape plan (shown above) with innovative stormwater management applications.
CHALLENGES:• Building located near steep slopes and is adjacent to an impaired water body. • Because of site constraints, additional review by the City is required for approval and construction will be complicated. • Existing infrastructure must be connected to the proposed drainage and stormwater management systems. • Topography restricts how stormwater can be managed because portions of the site are too fl at to effectively drain by traditional methods and specifi c areas direct stormwater off-site prior to collection and/or treatment. SOLUTION:Our team provided the initial site analysis, design development, water modeling and engineering services and have been working with the City of Minneapolis to receive fi nal approval prior to construction (scheduled for May-June of 2010). Our design incorporates several stormwater management techniques such as roof top detention, infi ltration trenches, permeable paver patios and sidewalks, bio-retention basins and large infi ltration tanks.
PRIVATE ORTHODOX CHURCH
Location: Minneapolis, MN Client: Church
Existing Slopes Along Rear of Church (Impaired Lake in Distance)Location of Proposed Infi ltration Trench
Water Diversion Mechanism
Concrete Pavers
EPIC Planting Beds
SHRUBS
PERENNIALSFalse Forget-me-not
Masterwort
Foxglove
Feather Reed Grass
Dwarf Joe Pye Weed
Sedum
Black-Eyed Susan
Red Switch Grass
Taunton Yew
Annabelle Hydrangea
Dwarf Ninebark
Arctic Fire Dogwood
Fire Ball Euonymus
Black Lace Elderberry
LANDSCAPE PLAN: Location of Proposed Stormwater Features & Landscape Plants
• Designed various stormwater management features to effectively manage stormwater on-site. • Engineered stormwater systems to properly accommodate the 10-year (4.1” in 24 hours) rainfall event.• Directed excess water to large infi ltration tanks where it can recharge groundwater and manage the next rainfall event. • Selected the appropriate native and hybrid plant species for landscape areas and stormwater features.
PROJECT SCOPE:This 20-acre former Superfund site exists along the Mississippi River in Downtown St. Paul. CENTEX Multi-Family Homes was the primary developer that worked with the City of St. Paul, Riverfront Corporation, State of Minnesota and our development team to coordinate the remediation, planning, design and fi nancing efforts for this re-development project.
CHALLENGES:• Highly contaminated site because it was home to the H.S. Kaplan Scrap Iron & Metal Company from 1950’s to 1989. • Site fl ooded often due to its location within Mississippi River fl oodplain and lack of control structures along the River.• Coordination of the planning, remediation, fi nancing and development efforts was incredibly challenging because several local, state and federal organizations were involved throughout the project.
SOLUTION:Solution Blue team members guided the development team in the overall planning, funding, regulatory compliance and implementation efforts from conception through fi nal construction. Upon completion in 2002, this former brownfi eld site was re-developed into a successful housing, retail, restaurant and public park facility valued at over $173 Million dollars.
ST. PAUL’S UPPER LANDING RE-DEVELOPMENT
Location: St. Paul, MN Client: CENTEX Multi-Family Homes
H.S. Kaplan Scrap Yard Site (Prior to Re-Development) Importing Soil to Raise Elevation (Along with Remediation)
Completed Multi-Use Development: Housing, Retail, Restaurants & Public Park Public Park Along Mississippi Riverfront
• Developed the site’s environmental clean-up plan, which was approved by the MN Pollution Control Agency (MPCA). • Spent 2 years mitigating several signifi cant environmental issues related to the H.S. Kaplan Scrap Yard operation. • Worked with the City of St. Paul and CENTEX Multi-Family Homes to obtain a $3 Million clean-up grant from the MN Department of Trade & Economic Development and a $702,000 tax-based revitalization grant from the Met Council.
Completed Green Roof: (4) Separate Zones Divided by Sidewalks
Completed Green Roof: Native Grasses, Decorative Trees & Turfgrass
PROJECT SCOPE:A private developer was creating a multi-story condominium structure in Downtown Minneapolis. Our Solution Blue team members worked with the owner, landscape architect, watershed district and City of Minneapolis to successfully design and implement an intensive green roof system.
CHALLENGES:• Building exists within an urban setting with minimal space available for stormwater management features. • Green roof had to exist above a parking ramp with limited capacity to support an intensive-profi le (12”+) green roof.• Reducing the City’s monthly stormwater utility fee required inventive solutions to effi ciently manage, store and re-use stormwater on-site.
SOLUTION:Solution Blue team members provided site assessment, design development, water modeling and civil engineering services in order to receive approval from the City of Minneapolis and local watershed district. Our design incorporates a state-of-the-art system that captures, fi lters and re-uses stormwater within an intensive green roof profi le.
• Employed a lightweight green roof system (12” deep) that provides stormwater storage, fi ltration and water re-use. • Installed a 10,000-gallon reservoir tank for supplemental storage that supplies water to irrigate plants and turfgrass. • Implemented a functional, usable green space in an urban setting that provides recreational opportunities, achieves stormwater management objectives and improves the building’s aesthetic appeal.
Under Construction: Installation of Lightweight Growing Soil
PROJECT SCOPE:A private fi rm was expanding their headquarters facility that exists within a corporate business park. Our Solution Blue team worked with the ownership group, construction manager, architect, City of Roseville and the Rice Creek Watershed District throughout the project. We provided complete design, water modeling, engineering and construction management services to implement a network of sustainable stormwater management systems.
CHALLENGES:• Facility exists within an urbanized business park with strict guidelines regarding stormwater runoff control. • 4,000 square foot building expansion generates more stormwater runoff, which must be properly managed on-site. • Receiving regulatory approval and obtaining the building permit was challenging due to the stormwater restrictions.
SOLUTION:Our Solution Blue team members provided the original site assessment, stormwater modeling, design development, construction documents and managed the complete installation (plants scheduled for installation in May-June of 2010). Our design incorporates various sustainable stormwater management techniques including bio-retention basins, permeable parking stalls, and innovative stormwater management technologies.
PLAN: Final Grading, Drainage & Erosion Control PlanBio-Retention Basin (Plants to be Installed May 2010)
Completed Permeable Paver Parking Stalls
• Implemented an all-in-one system for drainage, storage, fi ltration and water re-use via sub-surface irrigation. • Selected native plant species to increase the uptake of water and enhance drought resistance. • Through our cooperation with the City and watershed district, the owners obtained their building permit and implemented innovative stormwater management features that achieved the stormwater requirements.
Location: Arden Hills, MN Client: City of Arden Hills
HighDensityOffice
PotentialCommunity/Civic Use-Remnant of Building 101
CommunityPark
PotentialTransitCenter
HotelWildlife Corridor
Co. Rd. I
I-35W
Schu
ttaR
d.
Ric
eC
reek
Park
way
Hwy. 96ARDEN HILLS
MOUNDSVIEW
NEWBRIGHTON
SHOREVIEW
Co. Rd. H
Hwy. 10
Rice Creek Park Reserve
Potential AthleticFields
Mixed Use
CommunityScale Retail
Low to Mid Rise Office2-6 stories
Co. Rd. H
StructuredParking
UrbanResidential12+ u/ac
MediumDensityResidential4-12 u/ac
WaterAmenity/StormwaterTreatment
LowDensityResidential0-4 u/ac
Mixed Use: Retail and OfficeCommunity Scale Retail 60,000-75,000sfLow to Mid Rise Office 2-6 storiesTransit CenterStructured ParkingOffice ShowroomUrban Residential 12+ u/acMedium Density Residential 4-12 u/acLow Density Residential 0-4 u/acPublic/Private Open SpaceWater Amenity/ Stormwater Treatment
LEGEND
Ammunitions Manufacturing Facility
Wetlands Surrounding the TCAAP Facilities Concept Master Plan
PROJECT SCOPE:TCAAP’s 2,370-acre site is the largest and most signifi cant tract of undeveloped land in the Twin Cites Metropolitan Area. 771 acres of this site is slated for re-development into mixed-use residential, commercial and institutional functions. The General Service Administration (GSA), Army Pentagon, State of Minnesota, City of Arden Hills and our development team are working together to coordinate the overall planning, remediation, fi nancing and development efforts.
CHALLENGES:• Site was used for the manufacturing of small arms ammunitions by the U.S. Army for nearly 4 decades. • Soils contain extremely high levels of contamination and pollutants. • Coordination of the remediation, fi nancing and development efforts is very complex due to the City of Arden Hills, State of Minnesota, U.S. Government and a multitude of community stakeholders being involved.
SOLUTION:From 2001 to 2007, Solution Blue team members played a key role in the comprehensive design, development, remediation and fi nancial planning efforts. Our team worked with the GSA and the Army Pentagon on the land transfer from federal control; simultaneously leading the re-development planning efforts in cooperation with the City of Arden Hills.
• Directed the remediation efforts to test soils, quantify contamination and design an extensive clean-up plan.• Negotiated both pollution liability and cost-cap insurance for the developer, City of Arden Hills and Government of the United States.