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Performance Exam ChecklistNondestructive Measurement of Thickness of Nonmagnetic Coatings on a Ferrous Base FOP for ASTM D 7091/SSPC Procedure 2 (Field)
Participant Name Exam Date
Procedure Element Yes No1. The tester has a copy of the current procedure on hand?2. All equipment is functioning according to the test procedure, and if required, has the
current calibration/verification tags present?3. Instrument calibrated in accordance with the manufacturer’s instructions before
use employing a suitable thickness standard?4. Several readings taken and recorded taking into account edge and curvature effects?5. (Laboratory) The average thickness converted to oz. ft2 (g/m2) using appropriate
conversion factor?6. (Field) Average thickness reported in mils?
First Attempt: Pass Fail Second Attempt: Pass Fail
Signature of Examiner
Comments:
WSDOT Materials Manual M 46-01.27 Page 1 of 2 April 2017
D 7091 Nondestructive Measurement of Thickness of Nonmagnetic Coatings on a Ferrous Base
Page 2 of 2 WSDOT Materials Manual M 46-01.27 April 2017