Upon the request of the board, and supported by a statement of the proposed actions to be taken pursuant to Section 78305, the committee shall determine whether it is necessary or desirable to issue any bonds authorized pursuant to this article in order to take these actions, and if so, the amount of bonds that should be issued and sold. Successive issues of bonds may be authorized and sold to take these actions progressively, and it is not necessary that all of the bonds authorized by this article to be issued are sold at any one time.