NAVY NAVSEA T9074-AS-GIB-010/271 PDF

GENERAL.

This document covers the requirements for conducting nondestructive tests (NDT) used in determining the presence of surface and internal discontinuities in metals. It also contains the minimum requirements necessary to qualify NDT personnel, procedures, and equipment. This document does not contain acceptance criteria for NDT. This document does not cover all of the requirements for performing NDT in an underwater environment. Nondestructive tests in an underwater environment shall be performed as specified in NAVSEA S0600-AA-PRO-070.

Inspection Areas.

Areas to be inspected shall be specified in the applicable drawings, specifications, contracts, or purchase orders. Drawings specifying NDT shall employ symbols in accordance with AWS A2.4.

Calibration.

Since calibration requirements are self-contained in this document, the instruments and standards contained herein are not included in calibration programs defined by ANSI/NCSL Z540.3. This document does not exempt from calibration programs any linear measuring tools such as scales, film interpretation or Magnetic Particle/Liquid Penetrant Test overlay scales/comparators, mechanical calipers and micrometers, or other ancillary equipment and devices that provide quantitative measurement, such as light meters, pressure gages, thermometers, densitometers or ammeters.

Safety.

This document does not claim to address all safety and health related issues, if any, concerning the use of the inspection techniques described herein. Users of this document should refer to, and comply with, all safety and health regulations as established by the manufacturer, governing local, state, and federal authorities as applicable.