How many years is the land use life of Weifang general commercial housing?

The current law of our country stipulates the maximum period of the right to use construction land: 70 years for residential land; Industrial land for 50 years; Commercial land for 40 years; Comprehensive utilization of land for 50 years. After the expiration of the right to use residential construction land, it will be automatically renewed.

Generally, there are certain standards for brick-concrete mixing and steel mixing. Yours is a small high-rise, it should be reinforced concrete. The probability of damage of normal design steel structure due to excessive load in 50 years is extremely small, and the specific service life is not clearly defined.