A man said to be the caretaker of the building was rescued and taken to hospital.
World Kaihatsu Kogyo is finalising work on phase one of the Ngong Road dualling project.
Nairobi has discarded the Dar es Salaam model that has been found wanting.
The government seeks to add 30,000-bed spaces in public universities.
The government hopes to launch construction works by August.
AfDB has reportedly declined to disburse the first instalment of the loan.
The Garissa solar power plant will produce 76,470 megawatt hours (MWh) a year.
The government plans to leverage on the private sector to build affordable houses.
NLC is finalising compensation matters with all the affected landlords.
The project was conceived by Wimberley Allison Tong & Goo.