The Plenum Goes In.

The students cut all the pipe for the irrigation, and then hooked it all in to the plenum. They then buried the lines, and they are now ready to add the drip irrigation tubing and the emitters. The plenum is essentially a large tube with eight solenoid valves that feed off from the main line. We are concerned that there just won't be enough pressure in the line to get the valves to open and then more importantly, close again. We may have to either modify the valves, or add a pump to the irrigation system. We shall see...