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it <br />11 <br />0 <br />u <br />fl <br />G <br />u <br />I <br />Id <br />i� <br />0 <br />LJ <br />n <br />JI <br />Drain Gauge User's Manual <br />2. Installing the Drain Gauge <br />striking it repeatedly with a sledgehammer. Then, dig <br />away the soil around the portion of the DCT that you <br />just pounded into the soil. Repeat the process until the <br />DCT is filled with soil. <br />3. Use a shovel to free the DCT from the surrounding <br />soil and lay it aside. <br />4. If you have harvested a monolith from a separate site <br />than you wish to install your drain gauge, use an 8" <br />auger to dig a narrow hole for your DCT in the loca- <br />tion in the location where you wish to take your mea- <br />surement. <br />5. Finally, dig the hole for the wick section according to <br />Method 1. <br />1. Cut a slot into the soil at the top of the wick section <br />hole so the tubes and wire can pass under the edge of <br />the middle plate without damage. <br />2. Make sure the protective PVC pipe is installed in the <br />hole such that the top of the pipe is flush with the bot- <br />tom of the DCT hole, and that the notch in the PVC is <br />aligned with the slot you just cut in the soil. Then care- <br />fully lower the wick section into the hole, being espe- <br />cially careful not to kink or break the sensor wire and <br />calibration and sampling tubes. The plate should rest <br />on the shoulder around the wick section hole, flush <br />with the top edge of the PVC pipe. The tubes and wire <br />should pass out through the notch in the PVC pipe <br />and the slot in the soil. <br />7 <br />