Genesis 6:13-15

Young's Literal Translation

¹³ And God said to Noah, `An end of all flesh hath come before Me, for the earth hath been full of violence from their presence; and lo, I am destroying them with the earth.

¹⁴ `Make for thyself an ark of gopher-wood; rooms dost thou make with the ark, and thou hast covered it within and without with cypress;

¹⁵ and this [is] that which thou dost with it: three hundred cubits [is] the length of the ark, fifty cubits its breadth, and thirty cubits its height;