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<br />Appendix E: Homeowner Form <br /> <br />ii'" CENTER FOR <br />J ReSource <br />.~ CONSERVATION <br /> <br />SI.OY(~FLOW <br />COLORADO <br /> <br />1702 Walnut St. <br />Boulder, CO. <br />80302 <br />303.441.3278 <br /> <br />Irrigation Inspections <br /> <br />A landscape Irrigation Inspection is a series of tests performed on your watering system to <br />determine how much water your system puts out (precipitation rate), the soil infiltration rate <br />(absorption), and the evenness (distribution uniformity or efficiency) of the water application. <br /> <br />Tune Up Your System <br /> <br />You can tune up your system by fixing the maintenance problems identified in a visual <br />inspection. Turn the system on at least once a month and watch each zone run to mal(e sure the <br />system is working properly. Check for brol(en, tilted, clogged, or blocked heads and make any <br />needed repairs. Tal(e the time to adjust sprinklers that are not covering the desired area and learn <br />how to change your timer. <br /> <br />Root Depth <br /> <br />For a healthy lawn, roots should be 6 to 12 inches deep. This is accomplished by deep infrequent <br />watering that greatly enhances your lawns ability to withstand extreme temperatures and <br />increased intervals between watering. <br /> <br />Your root system is about <br /> <br />inches deep. <br /> <br />Water Infiltration Rate <br /> <br />Many times irrigation systems apply water faster than the soil can absorb. It is important to know <br />your soil type and adjust your watering to minimize run-off. Slope and thatch also affect run-off. <br />Soil Type , Slope <br /> <br />Precipitation Rate <br /> <br />Precipitation rate (PR) is a measure of how many inches of water per hour your irrigation system <br />is applying. Different head types have different precipitation rates. The precipitation rate <br />determines how long you need to run your sprinklers. <br />Your precipitation rate is inches/hour (fixed), inches/hour (rotor). <br /> <br />Distribution Uniformity <br /> <br />The distribution uniformity (DU) is a measurement of an irrigation system's ability to apply water <br />uniformly over the surface of a landscape. Since the amount of water put out by an irrigation <br />system is not completely uniform, some parts of the landscape will receive more water than <br />others. Minor adjustments to most systems can improve distribution uniformity and green up the <br />dry spots. <br /> <br />29 <br />