Existing one story Syosset Public Library
Main level steel columns prepared for addition of concrete
Library interior with existing 8” steel columns
New steel structure being installed at the addition behind the existing building
Temporary bracing of the structure in the Basement allowing larger foundations to be placed under the columns
Formwork for concrete to be added to the steel columns
Steel beams being installed Structure of the addition behind and above the existing library
The completed Syosset Public Library expansion
Concrete encased columns extend through the existing roof with a new steel structure above. An interstitial Mechanical level, between the existing roof and the new third floor, has been incorporated for great HVAC efficiency
Complete Basement columns ready to take the added load of a new third level