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Keywords: Distribution uniformity, Landscape irrigation, Audit, Catch can test, Drip irrigation, Soil moisture

1 Purpose and Scope

1.1 This standard provides methods for evaluating the application rate and/or uniformity of coverage of installed landscape irrigation systems. The landscapes covered include continuous areas of turf or small ground cover, or other areas where irrigation coverage is unimpeded by the landscape materials.

The methods described in this standard provide a representation of the performance of the irrigation system at the time of the test. It may or may not be representative of the everyday performance of the system. The methods may be used as part of an overall irrigation system audit. Accuracy of the results depends on the quality of measurements and data provided by the end user.