The structure features passive solar shading, geothermal cooling, high performance glazing and wind power generated by four wind turbines.
The Pelli / Hines design best met the TJPA's operational, functional, and aesthetic requirements, and Hines' offer of a purchase price of $350,000,000 for the Tower property was significantly higher than the offers by the other Teams.
In 2008, the height restriction in the city was still 550 feet. For the tower to be built the TJPA will have to receive approval from the Planning Commission.
Unlike the other proposals, the Hines' proposal is designed for 100% commercial office.
Soon after the announcement the proposal came under critcism that the plan was too conservative, provided no housing, and was more or less a copy of Two International Finance Centre in Hong Kong.
Salesforce will lease the building's bottom 30 stories as well as the top floor. The leasing contract has been announced on April 11, 2014.
Upon completion, this will be the tallest building in North America outside New York City and Chicago.