Fire in the paint lock

The question is how to open the hatch door to the locker? Hatch has a normal hing. Some hatches have longated hinges to help with the sealing of the hatch. This hatch (door) is a normal hing door with 6 dogs to secure it. Fire breaks out and you have to open the hatch. In what order do you undog the hatch. Hing side first or open side first then hing side first, and why.