Three phase Distro Panel with single phase power

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ICUJOSEPH

New User
Location
San Antonio
Occupation
Nurse
Greetings from San Antonio! I recently purchased a 250A distro panel to use with my small production company at an estate sale. after I purchased it I realized that it was a three phase Distribution box, The problem I have is that 9 out of 10 times, our productions only have Single phase power. My main question is it okay to simply connect the normal two 120V legs and not a third? My plan is this:

1) I plan to replace all the original breakers which are currently 30A three phase 3 pole to a single pole 30A
2) replace the current L21-30p to L5-30 inlets.
3) run just one hot, one neutral, and one ground per receptacle to one breaker.
4) evenly split those receptacles that where originally fed by the third hot leg that is not going to be used over the other two legs that would be carrying 120V each.

I have tested by connecting the two hot legs, and I am getting 120V on both Legs and in all the receptacles that have a hot line coming in from the breakers, I am getting proper voltage. Can anyone provide any guidance on this? is it fine the way I plan to set it up or there something that I am missing such as a specific modification I need to do to the main breaker? I would greatly appreciate any feedback, recommendations or modifications that I should make. Thank you
 
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