The proceeds from the sale of any of the bonds (other than refunding bonds) shall be paid into the State Treasury and kept by the State Treasurer in a separate account and paid over to the secretary-treasurer of the department from time to time in such amounts as shall be directed by the Governor and the money so paid over to the secretary-treasurer of the department shall be held and used only for the accomplishment of the purposes of this article, and specifically for payment of the cost of acquiring, by construction or otherwise, maintaining and operating, or any of them, dock facilities along navigable streams and waterways now or hereafter existing within the state, in aid of commerce and use of navigable waterways of the state. The cost of acquiring any dock facilities that may be acquired with the proceeds of bonds issued under this article shall be deemed to include, inter alia, (1) fees of engineers and attorneys and other expenses incidental to such acquisition; and (2) the cost of issuing those of the bonds that may be issued to provide funds for such acquisition. The proceeds derived from the sale of any refunding bonds issued hereunder shall be used only as provided in Section 33-2-102.