Hi thecableguy
You might also want to consider
1. variable speed drive on pump drives.
2. Use of day/night auto switches for lights.
3. Use of a bigger % of clear sheeting on roofs to allow for more natural lighting for surface buildings.
4. Timed lightning systems for non critical areas...
Hello erikbecks
I am not sure if you found the information you were looking for on submersible pump sizes. I found the website below very helpful. The link will take you to their FAQ on submersible pumps.
http://www.envisupply.com/pumps/submersible-pumps-faq.html
See Ya
Mining Industry...