When I saw pictures of the aftermath of the Louisiana Super Dome in New Orleans, the garbage everywhere and the reports of bathrooms stinking so bad that eyes watered, I asked what was their major malfunction? When there is garbage, get people to pick it up and haul it to a spot away from the people. When the toilets don't flush because of no running water, go outside and get water from the flooded area and bring it into the bathrooms. Take that water to flush out the toilets. Keep the place clean with boiled water and bleach. Organize people to help those in need. Go out on supply runs to get things from nearby buildings. Things like bottled water (Our building would have supplied 10 five gallon bottles of water and it is a small operation). Out of 20,000 people in the Super Dome, a mere 10% could have kept the place going.