Easily Create an Irrigation Contract for Your Customers. Download a free irrigation contract template to establish clear service terms with your clients.The Agricultural Conservation Easement Program (ACEP) helps landowners, land trusts, and other entities protect, restore, and enhance wetlands. Customize and Download this "Irrigation Installation Contract". Acres Irrigated = (3.14 x R x R) ÷ 43,560. Where: R = wetted radius in feet including end gun. How do I fill this out? To fill out this agreement, gather all necessary property details and subdivision plans.