This section is a little confusing and I am putting my interpretation of it up. Please let me know if I am correct.

Total Project Space Load (heating/cooling):
I did load calculations for the entire building and put the peak space load here.

Total Project Space Equipment Capacity (heating/cooling):
I added up all of the installed or designed equipment capacities here.

Total tenant space fan and pump sizing:
I have no interpretation for this. In need of help.