Ziegler Cooper won an invitation-only competition for the extensive renovation of the Humble Oil Headquarters building. The 44 level structure, completed in 1962 and located in the southernmost portion of Houstonu2019s Skyline District at Milam and Bell Streets, was once the tallest building west of the Mississippi River. When the original tenant u2013 now ExxonMobil u2013 vacates in the second quarter of 2015, a complete transformation of the building will begin, bringing it up to compete with other Class A+ properties in downtown Houston.
Ziegler Cooperu2019s winning design will include deepening the current lease depths to 42 feet to add over 100,000 square feet of new rentable area, bringing the building gross square footage to 1.4 million square feet. In addition, the owner plans to redevelop the grand plaza along Bell Street, tie in the downtown tunnel system, renovate the lobby, re-clad the building in high-performance glazing to meet LEED Gold standards and create an illuminated, iconic crown that will mark 800 Bell as a striking new addition the Houston skyline.
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