A permit is required for the installation of irrigation systems, which must comply with the requirements of the International Plumbing Code. Tarrant County is requesting bids for the ANNUAL CONTRACT FOR IRRIGATION SUPPLIES,.At Circle D Construction we will work with you to design a lawn sprinkler system installation or reroute that ensures your lawn looks amazing. Fill out the Improvement Application Form. a. Provide owners name, mailing address, site address, and phone number. b. Tarrant County is soliciting qualifications for its ANNUAL CONTRACT FOR PROFESSIONAL. ARCHITECTURAL - ENGINEERING SERVICES. To request a free evaluation of your residential irrigation system, please fill out this online form. We have been asked to make a decision if we want to install an irrigation system with 30 sprinkler heads now or not. Could you all provide some perspective?