Final answer:
Unfortunately, the provided information does not give any specific details about the structure or context. Therefore, it is not possible to provide an accurate answer based on the given information.
Step-by-step explanation:
In order to determine how far apart the main hoop members must be at the bottom tube attachment point in a front view, we need to consider the dimensions and specifications of the structure in question. Unfortunately, the provided information does not give any specific details about the structure or context. Therefore, it is not possible to provide an accurate answer based on the given information.