A copy of this agreement is included in the Appendix. This Request for Proposals is intended to provide financial assistance to implement improvements to existing agricultural irrigation systems.Customize and Download this "Irrigation Installation Contract". ASABE is an educational and scientific organization dedicated to the advancement of engineering applicable to agricultural, food, and biological systems. How do I fill this out? To fill out this agreement, gather all necessary property details and subdivision plans. Waterways are often a limited resource and so you usually need to enter into an agreement with your rural water authority.