The following information is needed to complete your application: Address; Legal description of the property from Travis Central Appraisal District (TCAD). The wastewater line should be extended to the hole for the pump with a 2-way clean out. 2.Create a polished Irrigation Installation Contract with Venngage's customizable template. Edit text, colors, fonts, and more. Once confirmed, staff will send a template to the applicant to fill out "approved as to form" with the appropriate parties named and contact information. The purpose of this. How to fill out the Irrigation Distribution System Installation Agreement? 1. Gather legal descriptions of your property. 2.