This Recommendation: ?C describes typical natural disasters and events such as earthquakes@ tsunamis@ floods@ strong winds@ etc.; ?C describes typical disaster management for outside plant facilities; ?C deals with outside plant facilities such as cables and associated hardware (cable tunnels@ underground conduits@ manholes@ poles@ towers@ cabinets@ etc.); ?C provides technical considerations for protecting outside plant facilities from natural disasters. Telecommunication buildings including indoor facilities are out of the scope of this Recommendation. The protection of cables and plants against lightning is dealt with by [ITU-T K.47].