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Note: While great efforts have been taken to provide accurate and complete information on the pages of CPEP, please be aware that the information contained herewith is considered a work‐in progress for this thesis project. Modifications and changes related to the original building designs and construction methodologies for this senior thesis project are solely the interpretation of Gea Johnson. Changes and discrepancies in no way imply that the original design contained errors or was flawed. Differing assumptions, code references, requirements, and methodologies have been incorporated into this thesis project; therefore, investigation results may vary from the original design.
This page was last Updated on 04/30/2012 by Gea Johnson and is hosted by the AE Department © 2012

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1000 CONNECTICUT AVENUE, NW OFFICE BUILDING
WASHINGTON DC
	GEA JOHNSON   STRUCTURAL OPTION

Final Report

 

The final senior thesis project focused on redesigning the existing two-way flat slab with moment frames to a steel structure with a composite beam/girder gravity system with composite steel deck and moment frames and braced frames for the lateral system. The structure was relocated to Arlington, VA and the new structural system consists of higher floor-to-ceiling heights and wider bays, thus increasing the rental value of the space.

After designing the structural system, two breadth topics were explored. The two breadth studies consisted of a construction management impact and acoustic and lighting impacts. The construction management breadth consisted of determining

 

-the cost of the new steel system and comparing it to the cost of the existing concrete system

-the construction schedule of the new steel system and comparing it to the construction schedule of the existing system

-the site management of steel versus concrete on the existing building site
-the LEED certification of the building with the use of the new structural system
-the annual revenue obtained from the use of the new structural system with higher floor-to-ceiling heights and wider bays to the annual revenue obtained from the use of the existing structural system

The acoustic consisted of determining the sound treatments required for a typical office located in the new structural system. The lighting breadth consisted of designing the lighting system for a typical office space using the existing floor-to-ceiling height of 8'-6" and checking to determine if the same lighting system can be used for the new floor-to-ceiling height of 10'-6".

 

The Final Thesis Report was submitted on April 04, 2012 and can be viewed by clicking on the images below.