ABS Pipe. Acrylonitrile-butadiene-styrene black, semi-rigid, plastic pipe extruded to IPS. ABS pipe is in limited use in present day irrigation systems. Solvent weld fittings are used with this pipe (see ASTM D 1788). Air Release Valve. A valve which will automatically release to the atmosphere accumulated small pockets of air from a pressurized pipeline. A small orifice is used to release air at low flow rates. Air release valves are normally required at all summits of mainline and submain pipelines in an irrigation system. Anti-Siphon Device. A safety device used to prevent back-flow of irrigation water to the water source by back-siphonage. The average rate at which water is applied by an irrigation system, sometimes Application Rate. also called precipitation rate. Units are typically inches/hr or mm/hr. Application Uniformity. Irrigation application uniformity (also known as distribution uniformity) describes how evenly water is distributed within an irrigation zone. The angle of coverage of a sprinkler in degrees from one side of throw to the other. A Arc. arc would be a quarter-circle sprinkler. Atmospheric Vacuum Breaker. An anti-siphon device which uses a floating seat to direct water flow. Water draining back from irrigation lines is directed to the atmosphere to protect the potable water supply. Automatic Control Valve. A valve in a sprinkler system which is activated by an automatic controller by way of hydraulic or electrical control lines and controls a single device or multiple devices. Automatic System. An irrigation system which operates following a preset program entered into an automatic controller. An approved safety device used to prevent pollution or Backflow Prevention Device. contamination of the irrigation water supply due to backflow from the irrigation system. Belled (Pipe). Pipe which is enlarged at one end so that the spigot end of another length of pipe can be inserted into it during the assembly of a pipeline. Block (of sprinklers). A group of sprinklers controlled by one valve. Also called zones or subunits. Block System. An irrigation system in which several groups of sprinklers are controlled by one valve for each group.
ABS Pipe. Acrylonitrile-butadiene-styrene black, semi-rigid, plastic pipe extruded to IPS. ABS pipe is in limited use in present day irrigation systems. Solvent weld fittings are used with this pipe (see ASTM D 1788). Air Release Valve. A valve which will automatically release to the atmosphere accumulated small pockets of air from a pressurized pipeline. A small orifice is used to release air at low flow rates. Air release valves are normally required at all summits of mainline and submain pipelines in an irrigation system. Anti-Siphon Device. A safety device used to prevent back-flow of irrigation water to the water source by back-siphonage. Application Rate. The average rate at which water is applied by an irrigation system, sometimes also called precipitation rate. Units are typically inches/hr or mm/hr. Application Uniformity. Irrigation application uniformity (also known as distribution uniformity) describes how evenly water is distributed within an irrigation zone. Arc. The angle of coverage of a sprinkler in degrees from one side of throw to the other. A arc would be a quarter-circle sprinkler. Atmospheric Vacuum Breaker. An anti-siphon device which uses a floating seat to direct water flow. Water draining back from irrigation lines is directed to the atmosphere to protect the potable water supply. Automatic Control Valve. A valve in a sprinkler system which is activated by an automatic controller by way of hydraulic or electrical control lines and controls a single device or multiple devices. Automatic System. An irrigation system which operates following a preset program entered into an automatic controller. Backflow Prevention Device. An approved safety device used to prevent pollution or contamination of the irrigation water supply due to backflow from the irrigation system. Belled (Pipe). Pipe which is enlarged at one end so that the spigot end of another length of pipe can be inserted into it during the assembly of a pipeline. Block (of sprinklers). A group of sprinklers controlled by one valve. Also called zones or subunits. Block System. An irrigation system in which several groups of sprinklers are controlled by one valve for each group.
Florida%20Supplement%20to%20the%202015%20IPC-ICC%20EDIT-VERSION.docx