Checkpoints and final inspections shall be signed off by certified coating inspectors.

The implementing contractor shall maintain a certification program for blasters and painters working on the project.

The inspection shall be made jointly with the SUPERVISOR and the ship’s Commanding Officer’s representative, and shall take place prior to the commencement of any work by the contractor.

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.

5.3 DEGREASE / FRESH WATER WASH DOWN: Prior to surface preparation, remove all surface contaminants such as sea salts, grease and oil (hydrocarbons), loose rust; mud and marine growth with 3,000-PSI minimum fresh water wash down.

7.7 PAINT APPLICATION: The use of brush, rollers, single or plural component spray equipment is acceptable for application of the paint coat specified below.

17.1.5 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.

MAINTAIN SEPARATE LOG FOR EACH AREA / LOCATION, PREPARED OR PAINTED SURFACE, WHEN AN AREA IS DIVIDED INTO SEPARATE SECTIONS MAINTAIN A SEPARATE LOG FOR EACH SECTION, FOR NUMBER OF MEASUREMENTS TO BE TAKEN SEE NOTES BELOW.

The five spot measurements shall be made for each 10 m2 (100 ft2) of area as follows: a.

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Checkpoints and final inspections shall be signed off by certified coating inspectors.

The implementing contractor shall maintain a certification program for blasters and painters working on the project.

The inspection shall be made jointly with the SUPERVISOR and the ship’s Commanding Officer’s representative, and shall take place prior to the commencement of any work by the contractor.

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.

5.3 DEGREASE / FRESH WATER WASH DOWN: Prior to surface preparation, remove all surface contaminants such as sea salts, grease and oil (hydrocarbons), loose rust; mud and marine growth with 3,000-PSI minimum fresh water wash down.

7.7 PAINT APPLICATION: The use of brush, rollers, single or plural component spray equipment is acceptable for application of the paint coat specified below.

16.1.5 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.

MAINTAIN SEPARATE LOG FOR EACH AREA / LOCATION, PREPARED OR PAINTED SURFACE, WHEN AN AREA IS DIVIDED INTO SEPARATE SECTIONS MAINTAIN A SEPARATE LOG FOR EACH SECTION, FOR NUMBER OF MEASUREMENTS TO BE TAKEN SEE NOTES BELOW.

The five spot measurements shall be made for each 10 m2 (100 ft2) of area as follows: a.

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MSDS and manufacturer’s ASTM F 718 sheets, Shipbuilders and Marine Paints and Coating Product / Procedure Data Sheet for Coating System Being Applied.

NOTE: As stated in section 4.8.2 of the CORE PPI the application of Euronavy ES 301 is exempt from relative humidity and dew point requirements since it may be applied on damp surfaces.

6.1 PERFORM SURFACE PREPARATION USING METHOD 2 OF CORE PPI, UHP WATER JETTING.

6.2 (Surface Profile Measurements): Accomplish IAW Ref.

Enter on Appendix 3 TESTEX PRESS-O-FILM tapes used to measure surface profile.

NOTE: Section 6.5.2 of the CORE PPI states that for areas prepared to SSPC-SP-12, UHP water jetted surfaces will retain the surface profile prior to surface treatment.

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1.2 If the PPI checkpoint criteria are met, the following table provides service life expectancy for the listed systems.

MSDS and manufacturer’s ASTM F 718 sheets, Shipbuilders and Marine Paints and Coating Product / Procedure Data Sheet for coating systems being applied for specified area.

4.14.1 Prior to use, painting equipment (pumps, hoses, and so forth) shall be flushed clean to remove any residual contaminants or other foreign matter.

Situations arise where very limited touch-up is required, and specified drying times have an adverse impact on ship’s schedule.

7.3.1.1 Two days wait between coats and two days wait after the final coat if the largest single touch-up area is less than 1 ft² and the total touch-up area is less than 4 ft².

NOTE: BETWEEN APPLICATION OF PAINT COATS, ENSURE A MINIMUM OF 48 HOURS OF DRYING TIME IS GIVEN AT A MINIMUM TEMPERATURE OF 70°F.

During application, immediately brush out any runs, drips, sags or puddles.

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The coating described herein is NOT to be installed in smaller tanks, and should not be put in potable water tanks with ships that have flash type evaporators.

4.14.1 Prior to use, painting equipment (pumps, hoses, and so forth) shall be flushed clean to remove any residual contaminants or other foreign matter.

4.14.2 Cleaner used shall be as recommended in the paint manufacturer’s ASTM F 718 sheets, Ref.

MAINTAIN AMBIENT AND SUBSTRATE TEMPERATURE OF AT LEAST 50º F OR HIGHER THROUGHOUT CURING.

7.2 DRY FILM THICKNESS MEASUREMENTS: Accomplish IAW Ref 2.b, record measurements in Appendix 4.

Curing time may be accelerated only by increasing the substrate temperature IAW “Curing Table” of Ref.

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4.2 WORK NOTICE: The contractor shall post the notice at the ship’s quarterdeck or other designated location for each job or separate area at least four hours, but not more than 24 hours, prior to the start of work.

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.

4.13.2 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.

5.4.3 (Contamination Containment and Masking): Verify all surfaces within the scope of the project are IAW paragraphs 4.10 through 4.11.

6.3.2 Feather edges of adherent paint in adjacent areas remaining after cleaning.

9.3.3 All tests and inspections noting unsatisfactory conditions shall result in the termination and rescheduling of the checkpoint.

11.1.2 Coating imperfections found, which may cause premature coating failure, shall be corrected before the paint system is accepted using appropriate touch-up procedures specified in paragraph 7.12.

11.1.3 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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NOTE: IMPLEMENTING AUTHORITY WILL DESIGNATE SURFACE PREPARATION METHOD TO USE, METHOD 1 UHP WATER JETTING, OR METHOD 2 POWER TOOL CLEANING.

NOTE: The Responsible Implementing Authority shall have the authority to reject power tool cleaning in any inaccessible area if the surface can be shown to have adequate accessibility for UHP Water Jetting.

NOTE: Flash rusting shall not exceed a degree equal to SSPC-VIS 4 (Visual Reference for Steel Cleaned by Water Jetting) Standard WJ-2L.

If flash rusting occurs, the extent of the flash rust will determine the correct method of managing the flash rust.

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MSDS and manufacturer’s ASTM F 718 sheets, Shipbuilders and Marine Paints and Coating Product / Procedure Data Sheet for Coating Systems Being Applied.

4.5.1 Record and restore existing painted labels, compartment designations, hull markings, and other painted information which will be removed or covered during cleaning and painting operations.

7.6 Excessive dry film thickness in a coat or cumulative coats shall be determined IAW Ref.

During application, immediately brush out any runs, drips, sags or puddles.

NOTE: STRIPE COAT IS NOT REQUIRED EXCEPT TO COVER WELD SEAMS AND EDGES WITHIN THE DECK AREA IF PRESENT.

Stripe coat by brush in areas not accessible by paint spray equipment.

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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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In Scotland last year a group of coatings manufacturers estimated the coatings maintenance market was $2 Billion Dollars.

The estimation for coatings going over water jetting surfaces was 510%.

While all three are necessary for good coatings performance.

It is the last component, the removal of invisible contaminants and removal of detrital material, that demands water and which requires REFORM and CHANGE.

Everybody in this room has been raised with dry abrasive blasting and dry abrasive blast standards.

All of these coating manufacturers have put coatings over, hundreds of thousands, if not millions, of square feet of various substraates which have been cleaned with water jetting and wet abrasive blasting.

There is flash rusting involved in all of that stuff but it really does not affect the moisture cured polyurethane coatings supplied by Wasser.

Wayne Senick- Back to the text book- this is an article on the first job where there was a five year joint warranty between the coating manufacturer and the contractor.

It was pretty pleasing to see that before cleaning we were at 80-90 µg/cm2 of chloride but every case, every case, we got below 4 µg/cm2.

They were water jetting with sea water.

I come in and ask the question, both to the abrasive and water jetting people, about applications with vacuum attachment.

Lydia Frenzel- I have talked a lot to contractors about how much does it cost for WJ on a square foot basis.

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