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Exhibit A <br />Non -Uniform Ellipses Alternate <br />An alternate method of measuring non -uniform ellipses is by dividing the ellipses in uniform parts <br />and utilizing the non -uniform round method as described above. An example is shown below. <br />142 <br />VI- Measurement Techniques - Aerial <br />Please note that aerial inspections are allowed for area -based pre -inspections only. <br />Aerial inspections must be performed using GIs software, such as ArcGIS, NearMap, or GoogleEarth. Imagery <br />resolution should be at least 1 foot. Google MyMaps or Google Maps will not be sufficient for performing <br />aerial inspections. If you would like an exception or have a question about a specific method please ask <br />MWDOC. <br />When performing aerial inspections, please see the steps: <br />• Look up the site address in your GIS system <br />• If measuring aerially is difficult due to tree cover or other issues, you must perform an on -site pre - <br />inspection <br />• Use the site plan and/or customer submitted photos as a guide for measuring the application areas <br />• Draw out one or more polygons measuring the area on the map <br />• Screenshot the aerial measurement with the polygons that must be uploaded to the Droplet portal <br />• Complete pre -inspection form and upload to Droplet portal. <br />