(1) Part 3 of EN 1991 specifies imposed loads (models and representative values)associated with cranes on runway beams and stationary machines which include, whenrelevant, dynamic effects and braking, acceleration and accidental forces.(2) Section 1 defines common definitions and notations.(3) Section 2 specifies actions induced by cranes on runways.(4) Section 3 specifies actions induced by stationary machines.