> On Aug 29, 2015, at 9:50 PM, Martin Koppenhoefer <dieterdre...@gmail.com> 
> wrote:
> 
> supermarkets have different requirements than electronics stores, e.g. 
> because they have big refrigeration storage areas (with good insulation). 
> Yes, you could use them for other purposes, but it typically won't be cost 
> efficient.

Modern ones are floating - almost no part of the freezers or coolers are built 
into the floor. They replace them or re-arrange them as needed. A lot of older 
locations are bing remodeled to use the newer, more efficient units lately. The 
industrial ones in the back are quite small, (and not part of the structure)  
and their power sub-panel need  is about the same current draw as a standard 
factory. The deli or other labor based section (people who make box lunch, 
prepare fresh food, or an onsite bakery) would have more of a architectural 
burden than the freezers -  but externally they look the same, and they could 
be a drug store or a clothing store or a halloween store - i have seen a 
supermarket turned into all of those. 

Javbw
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