Surface plates related to submersion and temporary occupancy easements.

Class I2 easements relate to submersion and temporary occupancy easements.
This resource describes the surface plates of Class I2 easements, i.e. protection areas related to hydraulic structures for the use of tidal, lake and stream energy.

I2类地役权（easement）涉及淹没与临时占用两类地役权。本数据集阐述了I2类地役权的地表范围（surface plates），即与潮汐能、湖泊能及溪流能开发所用水利设施相关的保护区。