Wind Mitigation Reports

Question about roof deck attachment:

I found 6d nails spaced 6" in the field, is that considered of equal strength to 8d nails spaced 12" in the field?

I would like to be able to check box B for the client, but I think 6d spaced 6/6 is weaker than 8d spaced 6/12

Craig Howard
CMH Home Inspections