The contractors claim they have been locked out of lucrative contracts.
The public has been asked to air their views on the draft laws.
The strategic plan targets to build more than 1,000 kilometres of new roads.
The tender will most likely be awarded late next year.
The event is organised twice a year by Unique Homes Magazine.
The facility is the first to be built in Kenya in the last 80 years.
The sector grew by 6.4pc in 2019, down from 6.9pc in 2018.
The mall will be Stanlib's first direct venture into the real estate market.
Phase one of the Nairobi Business Park was officially opened in 2004.
Developers tend to price their homes way above what most mortgage buyers can afford.
Amsons Group offered Sh23.6bn to acquire 100% of Bamburi shares.
The company has secured financial backing for a 300MW geothermal project.
Yapı Merkezi is expected to complete the 272-kilometre railway in 48 months.