(1) "Commission" means the legislative building commission of West Virginia or if said commission shall be abolished, any board or officer succeeding to the principal functions thereof, or to whom the powers given to said commission shall be given by law.
(2) "Bonds" means bonds issued by the state building commission of West Virginia pursuant to this article.
(3) "Project" means collectively the acquisition of land, the construction, equipping and furnishing of a state legislative building together with incidental approaches, structures and facilities to, adjacent or around it.
(4) "Cost of project" includes the cost of construction, the cost of equipping and furnishing same, the cost of all land, property, material and labor which are deemed essential thereto, the cost of improvements, financing charges, interest during construction, and all other expenses, including legal fees, trustees', engineers' and architects' fees which are necessarily or properly incidental to the project.