Field Test. Prior to commencing the overlay operation, place a test area of overlay on the concrete surface. Prepare the area for the test overlay as described above. Ensure that the test is large enough so that the cleaning equipment and methods to be employed in the full-scale operation can be used for the field test. Ensure that the degree of cleaning used on the test area is the minimum used on the remainder of the structure. Use the application of the overlay system to the test area to establish proper procedures and techniques for applying the overlay to the full structure.
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