The dishwashing area stays wet for a long time and this can result in counter and wall water damage. Residential stacking ovens built into a wall at 5 feet from the floor make a nice set up. Scour restaurant supply auctions for commercial grade stock pots. They are worth the extra price. Top quality stainless steel with thick bottoms make for less burns and easier clean up.
Convection ovens cook food faster and use less energy.
If one counter is lower than the rest, a child or elder who can not stand, or a wheelchair bound person can easily help. Refrigeration is the most energy expensive item in the kitchen. Think carefully about how much you want to store. Epoxy floors are slippery. Non slip surfacing for epoxy floors catches lots of dirt and grease and is hard to clean.