At approx 2:40, the 20 shovel lost power. The shovel operator called dispatch at 2:43 with MayDay saying that there was a fire in the house of the shovel. The electricians responded, cutting power and disconnecting the potheads so the ERRT members could fight fire. The fire was extinguished at 3:15. The Dallas MSHA office was notified at approx 3:40 am.