A Primary Mission of the Council is to promote effective means of surface preparation in the maintenance industry using water and water/abrasive blasting techniques.
Checkpoints and final inspections shall be signed off by certified coating inspectors.
4.3.4 COATING INSPECTOR RESPONSIBILITIES: Coating inspectors are responsible for requirements listed in NSTM 631, Section 11.7.
4.10.1 Prevent contamination and surface damage of the ship’s equipment, components, and spaces during contamination-producing operations.
4.13.2 Notify the Commanding Officer’s representative immediately when the contractor’s work is complete and the system, piping, or circuit is ready for activation to accomplish removal of tags.
Heavily rusted or corroded area, damaged metal and holes in the structure or piping shall be documented and provided to ship’s force and Responsible Contracting Authority to determine if further structural evaluation or NDT is warranted and for possible repair before surface preparation.
7.5 OUT OF SPECIFICATION DRY FILM THICKNESS: Failure to meet minimum dry film thickness requirements will result in application of an additional coat or coats in deficient areas before the coat can pass DFT checkpoints.
11.2 For areas inaccessible by spray equipment and smaller than 4 square inches, apply one brush coat specified in Ref.
1. From the area to be repaired abrade a two-inch radius of the well-bonded adjacent coating by hand or power tool with a minimum of 40 grit sandpaper to a profile of 1 to 2.5 mils.
13.1.3 In order to pass the checkpoint, any Appendices required by the certified coating inspector shall be up to date or completed and submitted to QA.
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