Create a polished Irrigation Installation Contract with Venngage's customizable template. Edit text, colors, fonts, and more.How do I fill this out? To fill out this agreement, gather all necessary property details and subdivision plans. Customize and Download this "Irrigation Installation Contract". The following information is needed to complete your application: Address; Legal description of the property from Travis Central Appraisal District (TCAD). An acre-foot is 325,851 gallons. All prices listed in the Travis Pattern Sprinkler Irrigation Products catalog are recommended list prices, FOB.