>There's a few parts to this. Everything has to be carefully sized - power, pipe sizes, unit locations.
No. Not even in the slightest. A two bit could make conservative guesses or work off a conservatively spec'd sizing table and then deal with the resulting excess capacity with controls/distribution.
Whether it's a sewer line or a hvac system or retaining wall it's the same stupid situation. The only reason that we do calculated minimum-ish sizing for all this stuff is because if you're being screwed by law into paying to make work for a credentialed professional you might as well make them save you money on the rest of it so that you're only getting screwed out of $0.95 on the dollar instead of $1 on the dollar instead.
No. Not even in the slightest. A two bit could make conservative guesses or work off a conservatively spec'd sizing table and then deal with the resulting excess capacity with controls/distribution.
Whether it's a sewer line or a hvac system or retaining wall it's the same stupid situation. The only reason that we do calculated minimum-ish sizing for all this stuff is because if you're being screwed by law into paying to make work for a credentialed professional you might as well make them save you money on the rest of it so that you're only getting screwed out of $0.95 on the dollar instead of $1 on the dollar instead.