There is more to the story of Noah in the book of Enoch. It is much more revealing than what is shown in the bible.
65.1 And in those days, Noah saw the Earth had tilted and that its destruction was near.
65.2 And he set off from there and went to the ends of the Earth and cried out to his great-grandfather Enoch; and Noah said three times in a bitter
voice: "Hear me, hear me, hear me!"
65.3 And he said to him: "Tell me, what is it that is being done on the Earth, that the Earth is so afflicted and shaken, lest I be destroyed with
65.4 And immediately there was a great disturbance on the Earth and a voice was heard from Heaven and I fell upon my face.
65.5 And my great-grandfather Enoch came, stood by me, and said to me: "Why did you cry out to me, with such bitter crying and weeping?
65.6 And a command has gone out from the Lord against those who dwell upon the dry ground that this must be their end. For they have learnt all the
secrets of the Angels, and all the wrongdoings of the satans, and all their secret power, and all the power of those who practice magic arts, and the
power of enchantments, and the power of those who cast molten images for all the Earth.
65.7 And further, how silver is produced from the dust of the earth and how soft metal occurs on the earth.
65.8 For lead and tin are not produced from the earth, like the former; there is a spring which produces them, and an Angel who stands in it, and that
Angel distributes them."
65.9 And after this, my great-grandfather Enoch took hold of me with his hand, and raised me, and said to me: "Go, for I have asked the Lord of
Spirits about this disturbance on the earth."
65.10 And he said to me: "Because of their iniquity, their judgment has been completed, and they will no longer be counted before me; because of the
sorceries they have searched out and learnt, the Earth and those who dwell upon it will be destroyed.
65.11 And for these, there will be no place of refuge, for ever, for they showed to them what is secret, and they have been condemned; but not so for
you, my son; the Lord of Spirits knows that you are pure and innocent of this reproach concerning the secrets.
65.12 And he has established your name among the Holy, and will keep you from amongst those who dwell upon the dry ground; and he has destined your
offspring in righteousness, to be kings, and for great honours. And from your offspring will flow out a spring of the Righteous and Holy, without
66.1 And after this, he showed me the Angels of Punishment, who were ready to come and release all the forces of the water, which is under the earth,
in order to bring judgment and destruction on all those who reside and dwell upon the dry ground.
66.2 And the Lord of Spirits commanded the Angels who were coming out, not to raise their hands, but to keep watch; for those Angels were in charge of
the forces of the waters.
66.3 And I came out from before Enoch.
67.1 And in those days, the word of the Lord came to me, and he said to me: "Noah, behold; your lot has come up before me, a lot without reproach, a
lot of love and uprightness.
67.2 And now the Angels are making a wooden structure, and when the Angels come out from that task, I will put my hand on it, and keep it safe. And a
change shall take place so that the dry ground may not remain empty.
THE BOOK OF NOAH
Notice that in this version of the story it is the angles that are building the Ark.
If you have not read Enoch you really should. Whether or not you are a believer it is very eye opening when you consider how old it is. The things
described could only be advanced technologies, or God. It is hard to not think it is aliens are an advanced civilization.