42 meters high curtain wall need to do lightning it? Design Institute requirements 45 meters below do not need to do, have this request?
Lightning can not just look at the height, but also and the building next to a relationship, it is recommended to find a look at this specification, I guess this as a lightning
In general, 30 meters below do not have to do lightning.
If the design institute said no more than 45 meters to do, then this building is the second class of mine building. Building lightning protection requirements of a class of lightning protection building more than 30 meters to do anti-side strike, two types of lightning protection building more than 45 meters to do anti-side strike, three types of lightning protection building more than 60 meters to do anti-
