The new factory can produce up to one million tonnes of steel.
The proposed skyscraper will be built at a cost of $5 billion.
The Turkish Industrial Complex will inject Sh60bn into the economy.
The winner will be awarded a cash prize of Sh100,000.
The project is being undertaken by BOMI E&C Consortium.
Project seeks to ease shortage of houses for military officers.
The Sacco expects to begin work by December 31.
F Tower is expected to become the tallest building in Africa.
A 3-day trip to the space hotel will cost about $5 million.
The model city will initially have a population of 360 people.