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Are telltales used to monitor horizontal and vertical movements?

April 26, 2017horizontal monitor movements Used vertical

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Are telltales used to monitor horizontal and vertical movements?

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A telltale also known as a crack monitor is a basic joint movement indicator. This device can help determine if any pre-existing crack is dynamic or static. The monitor is a small devise approximately 1.5 inched tall by 7 inches wide. The monitor measures horizontal and vertical movement across a crack on a flat surface to an accuracy of +/- 1.0mm and by interpretation to +/- 0.5mm. The telltale monitor is not used to measure vertical and horizontal movements pertaining to walls or structures. This scope of work would be conducted by a surveyor.