Figure 1 is a side elevational cross-section of the preferred embodiment of the invention illustrating an accumulation pan, aeration material and a collection sump;
Figure 2 is a side elevational cross-section of a second embodiment illustrating underground drainage channels;
Figure 3 is a side elevational cross-section of the collection sump and a schematic view of the connections of the system sensors; and
Figure 4 is a perspective view of a third embodiment of the invention illustrating multiple sprinkler lines and sprinkler line shutoff valves.
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