The 88,000-sq.ft office park is expected to be completed in the first quarter of 2016.
The project is back on track after months of re-assessment of its development strategy.
The project is financed from the university's internal funds and donations.
The facility will house banks, exhibition halls, food outlets and venues for lectures.
The provisional budget for the project has been set at Sh4 billion.
The office block adopts green architecture.
Donald Trump, who has golf resorts around the world, is among 43 other interested parties.
The project is being developed in two phases at a cost of Sh1.07 billion.
The park will cover over 1.5 million square feet initially, and consist of four zones.
Phase one of the project is expected to be completed in one and a half years.
Talks are underway for China to fund a new highway and rail extension.
The Chinese-funded Orpower 22 power plant will take 17 months to complete.
Bedsitters will rent for Sh3,200 per month on a 30-year rent-to-own plan.