1. 100 East Pratt Street Baltimore, MD

2. The times are a-changin’ Renewal of Inner Harbor History of Baltimore

3. 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

4. Here He Comes To Save the Day!!  Why Craig you ask?? –SOM => large structural engineering and architectural firm –A lot of experience Craig Hartman

5. But first….

6. Others must also overcome similar construction site obstacles MMMMid-Continent Tower in Tulsa –W–W–W–Wanted to expand company –2–2–2–20-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

7. Bringing those forces down

8. Tinker Toy with too much Office Space or Structural Art??  Many critics –Too much office space –Blocking harbor views

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

10. The 3 S’s

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

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

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

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