Gage Residence Hall Complex Demolition

The Implosion was covered on every major news source
The Twin Tower Implosion was covered on every major news source.


The Gage Residence Hall Complex, located on the Minnesota State University – Mankato campus, was constructed in the mid-1960’s and includes two 13 story towers of approximately 110,000 square feet (SF) each and a 2 story center commons and dining hall of approximately 50,000 SF for a total of around 271,000 SF. The existing structure is primarily a cast-in-place concrete frame with brick and stone exterior walls and interior partitions.

The University had decided to demolish the buildings as part of the campus masterplan. We provided the demolition planning and the overall design and implementation of the demolition and deconstruction process. The final result by MSU – Mankato was to create a 400 stall parking lot where the buildings once stood. We demolished the two towers but kept the integral underground utility tunnels and communications vault which contained high voltage cabling, steam piping and communication lines, for university use.

End result: diversion of 96% of demolition and deconstruction materials and a savings of over $2M on the budget.

Budget:$4M   Actual Cost: $2M

Services Provided:

  • Demolition planning and Programming report
  • Demolition/ Deconstruction plans and specs
  • Pre-Bidding and Bidding services
  • Inventory removal process
  • On site demolition observation
  • Additional services: management services for the salvage of building materials, surplus
    furniture, fixtures and equipment
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