Abandon Building Question

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therookie

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Trying to find out the total watts per square foot in an old 90,000 office/lab/datacenter building. Did a quick check in the basement and added up all the amps on the boxs. Over 15,000. What's the best way to estimate the watts per sq ft?

Each floor also has large boxs. For example, floor one has 3700 amps, floor two has 3500, etc.

The city's records show a 750 KVA transformer on site.

This building has been empty for close to 10 years.
 
Rookie
Your relation to the industry is what???

What are you actually trying to deteremine, and what is the reason you are trying to determine it?


Maybe you can hire an electrician to go to the building with you to help determine what the service is rated for... :cool:
 
It doesn't matter what it was used for, do a calculation based on what the new use for the building will be. How old is the existing electrical equipment? Since the building has been abandoned for 10 years some of the equipment may need to be replaced anyway.
 
Trying to find out the total watts per square foot in an old 90,000 office/lab/datacenter building
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Sounds like I need to bring someone with more experience through the building. Electrical Engineer or Electrician?
 
Not making light of the issue of what your reasoning is behind needing to know this, but if you have a 750kVA transformer, that is your limiting factor. Assume a .8 power factor and you get 600kW, divided by 90,000 sq. ft., you get 6.7 W/ sq. ft. Any more than that and you will likely overload that transformer anyway. Again, no idea what good that info would be to you.
 
600kw isnt much for a datacenter these days, you could probably make use of around 2200 sq/ft of space with that.
 
Jraef nailed it for you..I would be curious as everyone else is..I am going to speculate you are a property broker and looking for a rough estimate of whats available so you can facilitate some ideas on the use of this space and approximate costs..If I am wrong feel free to correct me..

The transformer can be changed to the size need for the new occupancy of the space..If you are trying to save some cash by using the old service equipment..I would advise you to hire an electrician to inspect the gear as to its use ability..Good Luck man and maybe give use a more insight on your thought process..we are curious now..
 
am going to speculate you are a property broker and looking for a rough estimate of whats available so you can facilitate some ideas on the use of this space and approximate costs
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Your assumption is pretty close. There are several large datacenter users who may be able to utilize the perceive capacity of the building. They would be using approx. 60,000-80,000 Sq Ft for a datacenter. Currently, there are raised floors throughout the building. At least one floor was home to a datacenter space.
 
therookie said:
Your assumption is pretty close. There are several large datacenter users who may be able to utilize the perceive capacity of the building. They would be using approx. 60,000-80,000 Sq Ft for a datacenter. Currently, there are raised floors throughout the building. At least one floor was home to a datacenter space.
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the shell is the cheapest part of a datacenter, and one without enough power infrastrucutre isnt worth any more than any other use for the property. The standard now is 200w to 300w per square foot of datacenter space for power plus the required cooling. You need well over 12MW (12000kw) for that much space, again 750kw is only going to power a little over 2000' of space

Out of curiosity, what city is this in?
 
Jraef said:
but if you have a 750kVA transformer, that is your limiting factor.
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Why would we assume the transformer is carrying the whole building?

And if is carrying the whole building that will generally (at least in my area) be under utility control and all sizing rules go out the window.
 
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