This part of GB/T 22437 specifies the application of GB/T 22437.1 in bridge and gantry cranes defined in GB/T 6974.3, and gives specific values for the coefficients used.
GB/T 22437.5-2008 Referenced Document
GB/T 10183 Cranes.Overhead travelling cranes and portal bridge cranes.Tolerances for cranes manufacture and tracks laying
GB/T 22437.1-2008 Cranes.Design principles for loads and load combinations.Part 1: General