Final answer:
During steel assembly, the employer should ensure that the weight of a bundle of joist bridging does not exceed the maximum weight capacity specified by the equipment manufacturer or safety standards.
Step-by-step explanation:
The weight of a bundle of joist bridging should not exceed a certain limit during steel assembly. The specific weight limit will depend on the capacity of the equipment being used and the safety regulations in place. The employer should ensure that the weight of the bundle does not exceed the maximum weight capacity specified by the equipment manufacturer or the relevant safety standards.