It shall not be necessary to secure from any officer or board not named in this article any approval or consent, or any certificate or finding, or to hold an election, or to take any proceedings whatever, either for the construction of a state legislative building, or the improvement, maintenance, operation or repair thereof, or for the issuance of bonds hereunder, except such as are prescribed by this article; article six, chapter five of this code; or the Constitution of the State.