In theory, you should have done this initially, before you presented your idea to your library administration. In addition, state libraries often host workshops to give specific tips on how to apply for funds. When you attend these workshops, don' t just leave after the session. Once you've initiated your relationship, you need to establish credibility. People will want to know more about you and about your institution.
Credibility is based on reputation.
Reputations are built on small successes. If you've not demonstrated your ability to manage a program successfully, you will have a hard time convincing others that you are capable of managing a new grant-funded program. Brag about small successes. This is not just about you and your credibility. Successful programs are not necessarily the result of one person's ability to work singlehandedly, but rather, result from careful collaborative efforts of many individuals working toward a common goal.