100 East Pratt Street Baltimore, MD

The times are a changin’

History of Baltimore Renewal of Inner Harbor

How do we expect our employees to work if they can’t even fit inside the building?

 Building owner wants more office space – Expand company – Prime location

Here He Comes To Save the Day!!

 Why Craig you ask??

– SOM => large structural engineering and architectural firm – A lot of experience

Craig Hartman

But first….

Others

must also overcome similar construction site obstacles  Mid-Continent Tower in Tulsa – Wanted to expand company – 20-story addition by adding a cantilevered  tower Differences – No distinction between old and new structure – Without a hat truss the transfer of forces is not as clear

Bringing those forces down

Tinker Toy with too much Office Space or Structural Art??

 Many critics – Too much office space – Blocking harbor views

Boston Properties AKA Money Bags  Cost for renovation – $75 million  Purchased by Boston Properties – $137 million *record price for downtown Baltimore Office Project

The 3 S’s

Social

 Proved to be an economic gain – Attracted large companies – Funded by owners not the public

Symbolic

 Unique structure – Stands out as part of Baltimore’s skyline – First modern building design in the Harbor area

Scientific

  Clear indication of transfer of forces Efficient design – Maximizes office space despite obstacles of construction site – Hat truss stiffens building against wind loads

Crowning Achievement

 Overcame critics – Proved to draw big companies to the harbor area  Overcame site constraints – Efficient design of structural art