Consult with experts who have a proven track record of success. You don’t want to undersize or oversize equipment. In the case of the latter, you’re putting yourself at risk of incurring unnecessary costs, whereas, with the former, you’re running the risk of hitting capacity limits short of projected output calculations and being stuck having to retrofit equipment down the line. It’s so much easier and more cost-efficient to simply get it right the first time by not making the same mistakes as those who came before you.