Final answer:
Shoring equipment that is found to be damaged or weakened after erection must be discarded and replaced.
Step-by-step explanation:
Shoring equipment that is found to be damaged or weakened after erection must be discarded and replaced. This is because any compromise in the integrity of the shoring equipment can pose serious risks and potentially lead to accidents or collapses. Repairing the equipment immediately may not guarantee its complete restoration, and using damaged or weakened equipment cautiously is not advisable as it may still pose a safety hazard.