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ABSOLUTELY CRITICAL QUALITY CONTROL STEP.

Measure the diagonals between outside corners of the CEBs. The measurement should be 19' - 9 1/2". For quality control, you can be no more than 1/4" off from this measurement.

As you start each course, you will measure both diagonals, as shown in Image 1. You will also measure the outside-to-outside length of the straight sides, as shown in Image 2. The length of each side must remain at 14' every course, with a tolerance of 1/4" or less.

NEED PHOTO HERE OF CHECKING DIAGONALS ON FIRST COURSE TO REPLACE THIS PHOTO.