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Irrigation system means an assembly of component parts that is permanently installed for the controlled <br />distribution and conservation of water to irrigate any type of landscape vegetation in any location other than <br />agricultural operations as defined by Texas Agricultural Code § 251.002, and/or to reduce dust or control erosion. <br />Irrigation system evaluation means an inspection of a landscape irrigation system, including a review of <br />design appropriateness for current landscape requirements, proper functioning of sprinkler heads, valves and <br />other components, precipitation rates, irrigation schedules, and maintenance plan. <br />Irrigation technician means a person who works under the supervision of a licensed irrigator to install, <br />maintain, alter, repair, service or supervise installation of an irrigation system, including the connection of such <br />system in or to a private or public, raw or potable water supply system or any water supply, and who is required to <br />be licensed under Title 30 TAC Chapter 30 (relating to Occupational Licenses and Registrations). <br />Irrigator means a person who sells, designs, offers consultations regarding, installs, maintains, alters, repairs, <br />services or supervises the installation of an irrigation system, including the connection of such system in or to a <br />private or public, raw or potable water supply system or any water supply, and who is required to be licensed <br />under Title 30 TAC Chapter 30 (relating to Occupational Licenses and Registrations). <br />Low -angle spray heads means spray heads that direct water droplets closer to the surface of the ground, <br />thus reducing losses to wind drift and evaporation. <br />Low -head drainage means a condition in which water drains partially or completely out of a lateral line <br />through a sprinkler head after an irrigation cycle is completed. <br />Master valve means a remote control automatic valve located after the backflow prevention device that <br />controls the flow of water to the irrigation system mainline. <br />Mobile carwash means a commercial business equipped with a vehicle or trailer -mounted self-contained <br />washing system with water or detergent solution, storage tank, high pressure/low flow pumping equipment, <br />hoses, spray wand and related appurtenances. <br />New means installed on or after September 30, 2006. <br />On -premises laundryfacility means a laundry facility located on the premises of a commercial or institutional <br />business, and serving only the customers or residents of that facility. Examples of on -premises laundry facilities <br />include those found at hospitals, nursing homes, and hotels. <br />Positive shutoff device means a device which permits water to flow through it only when an outside force or <br />pressure is applied to it. <br />Pre -rinse spray valve means a high-pressure spray attachment used in commercial and institutional kitchens <br />to pre -rinse dishes before loading them into a dishwasher. <br />Self-service carwash means a commercial car wash in which the vehicle is washed manually within a wash <br />bay by the customer using high-pressure sprayers and brushes. <br />Shrub riser means a device that elevates a sprinkler head several feet above the ground surface so that water <br />is applied over the top of shrubs and other tall landscape plants. <br />Single -pass water cooling means a process in which water is circulated only once through a piece of <br />equipment to cool it before being discharged to the waste stream. Single -pass cooling, also known as once -through <br />cooling, is often used for CAT scan, x-ray equipment, degreasers, hydraulic equipment, condensers, air <br />compressors, welding machines, vacuum pumps, ice machines and air conditioners. <br />Solenoid shutoff valve means a device which opens a valve only when an electrical current is applied, and <br />closes the valve when no current is present. <br />Static water pressure means the pressure of water when it is not moving. <br />(Supp. No. 35, Update 4) <br />Page 25 of 44 <br />Created: 2022-12-02 10:13:42 [EST] <br />