World's First Dual LEED Platinum Building


There's an interesting story to the green building certification of the historic Mutual Building in Lansing, Michigan.  Not only did it receive LEED Platinum certification in both the LEED-CS and LEED-CI ratings systems, making it the world's first building to do so, it's also an historic building that's been preserved, renovated, and certified.  People will, in all likelihood, discuss the building's double platinum certification, but I think it is more commendable and noteworthy that they did all that in the context of a building listed on the National Register of Historic Landmarks.  It's quite incredible …

The 60,000 sf Mutual Building will be the new headquarters for The Christman Company.

SmithGroup provided architectural design; lighting and interior design services; mechanical, electrical and structural engineering services; historic preservation design; LEED certification services, and state historic tax application services for the project.

From SmithGroup:

Exterior restoration included analysis and rebuilding of deteriorated limestone and brick masonry; restoration of wood double-hung windows; replacement of steel windows with new matching windows; restoration of original bronze door and window entry system; main stairway; historic woodwork; Pewabic tile; floor tile and stone floors, while upgrading its interior to a Class A office building.   New construction included modern office space for multiple tenants, a partial sixth floor addition to accommodate conference and meeting facilities, an educational training room served by new kitchen, and toilet facilities. 

The renovation is expected to reduce energy use by 34% (compared to a conventional building) and water use by approximately 40%.

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  • walker

    What are the advantages of having 2 LEED certifications?

    • Preston

      A developer may go for the LEED Core and Shell certification and leave the interior unfinished. When you add the LEED Commercial Interiors certification, you know that the building is green certified inside and out.

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