Thematic Bible: Directions for building of

So make yourself an ark out of cedar, constructing compartments in it, and cover it inside and out with tar. Make the ark like this: 300 cubits long, 50 cubits wide, and 30 cubits high. Make a roof for the ark, and finish the walls to within one cubit from the top. Place the entrance in the side of the ark, and build a lower, a middle, and an upper deck.