099-107MA_PAINT_PILOT_UW_Hull_Preservation_Final_061219_USS_GRAVELY.docx

LOCAL STANDARD ITEM

FY-19

1. SCOPE:

1.1 Title: DDG Underwater Hull Preservation; accomplish

1.2 Location of Work

1.2.1 Underwater Hull Surfaces, Keel to Upper Boot Top Limits, Including Each: Bilge Keel, Skeg, Stem Bar, Rope Guard, Fairwater, Appendage, Fairing, Rudder, Rudder Stools, Sea Chest and Associated Strainer Plates, Stern Tube Barrel, Strut, Strut Barrel Interior and Exterior, Grating, Each Suction and Discharge Overboard from Shell Plate Flange Inboard to the first Sea Valve, and Each Hull and Draft Mark

2. REFERENCES:

2.1 Standard Items

2.2 S9086-VD-STM-010/CH-631 Rev 3, Preservation of Ships in Service- General

2.3 602-7058601, Fabrication and Installation of Ships Name & Draft Markings

2.4 163-7061541, Selected Record Drawing, Location of Sea Connections

2.5 Systems and Specifications, SSPC Painting Manual

2.6 NAVSEA Approved ASTM 718(applicable to the coatings furnished as GFM

3. REQUIREMENTS:

3.1 The Government may at any time without prior notification to the contractor elect to obtain the services of Government furnished Coating Manufacturer’s Representative(s) who will be on site at the contractor's facility acting as the Government's quality assurance observer and consultant. The presence of Government furnished Coating Manufacturer’s representative(s) does not relieve the contractor from performing any part of this work item and does not preclude inspection by the Government at any time.

3.2 Inspections:

3.2.1 The contractor shall provide for notification to the SUPERVISOR or his authorized representative for all tests requiring SUPERVISOR or Coating Manufacturer’s Representatives attendance.

3.2.1.1 When specification items require that a SUPERVISOR or his representative (i.e., Coating Manufacturer’s Representatives, Chief Engineer and others that may be designated by the item) accept and/or witness in process work, completed work, testing or inspections, the contractor shall provide notification to the designated personnel at least two (2) but not more than twenty-four (24) hours in advance of the work sequence to be witnessed or approved.

3.2.1.2 When work to be witnessed or approved is to occur after normal day shift working hours the SUPERVISOR shall be notified at least two (2) hours before the end of the last preceding regular work shift.

3.2.1.3 When work to be witnessed or approved is to occur on a weekend or holiday, the SUPERVISOR shall be notified at least two (2) hours before the end of the last preceding regular work shift.

3.2.1.4 Notification of tests/inspections is a mandatory requirement. Identification of tests/inspections on the contractor's production schedule(s), etc., does not relieve the contractor of the requirement.

3.2.1.5 The SUPERVISOR may designate checkpoints, in addition to those identified by the specification item, that are to be observed or inspected by the SUPERVISOR or Coating Manufacturer’s Representative. The notification requirements of above shall also apply to those designated checkpoints.

3.2.1.6 Coating Manufacturer’s Representative may also elect to designate additional checkpoint(s) tests/inspections, which will require their attendance. This is beyond the ability or control of the SUPERVISOR. The contractor shall provide adequate timely notification to ensure the requiring inspector's attendance at these added tests/inspections.

3.2.1.7 Inspection is an independent function of the Government and does not relieve the contractor of the responsibility for performing the tests and inspections required by the specification or those considered necessary to ensure product conformance. All inspections specified within the specification work item are mandatory inspections. The Contractor shall not proceed beyond this CHECKPOINT without prior approval from the SUPERVISOR or Coating Manufacturer’s Representative.

3.2.2 Contractor inspection records: The contractor shall prepare a test and inspection record (TIR) for this work item. It shall include the following as a minimum:

3.2.2.1 Identification by solicitation/contract number, ship name and Government work item number.

3.2.2.2 Identification of each unit to be inspected by name, number and location. Where multiple units are contained within a work item, and entry on the TIR shall be made for each unit.

3.2.2.3 The listing of each specific inspection attribute method of inspection or test and the acceptance/rejection criteria.

3.2.2.4 All TIR’s shall be updated as work progresses and maintained current to within twenty-four (24) hours.

3.2.2.5 Prepare a Paint Report and submit to the SUPERVISOR within three (3) days of completing the coating application or prior to Undocking Certification whichever comes first. The report shall include the following data:

a) The location, date and time of each coating application.

b) The air and substrate temperatures, relative humidity and dewpoint temperature at the time of each coating application.

c) Interval between coatings.

d) Dry film thickness readings of each coating

e) Paint Manufacturer, Product Identification Number, color and Batch Numbers for each coat of paint applied.

f) Surface profile measurements of the metal substrate.

g) Results of testing for non-visible surface contaminants (soluble salts).

3.2.3 Test and Inspection records (TIR’s) are also required for all work associated with:

3.2.3.1 All Pre-priced option items.

3.2.3.2 All change orders (RCC’s) issued.

3.2.4 The price for all QA required by option items shall be contained within the lowest line item level prices.

3.2.5 The price for all QA required by the clause entitled “Additional Requirements” shall be considered to be contained within the hourly labor price.

3.3 Inspection attributes:

3.3.1 The contractor shall list, on the TIR, all test and inspections contained in each work item. In addition, the contractor shall include the following types of inspection required by the work item:

3.3.1.1 All pertinent tolerances, clearances and conditions found upon disassembly/ opening of equipment, machinery components or spaces.

3.3.1.2 All in process verification, including refit, final tolerances, clearances, alignment, tests, cleanliness and internal condition prior to closure, fit-up and welding.

3.3.1.3 All verification of item completion including prerequisite for operational testing (i.e., lubrication, continuity checks, rotation) and final supporting data.

3.4 Maintenance of records:

3.4.1 The contractor shall maintain records of completed TIR’s, including inspection records generated by all subcontractors for a period of ninety (90) days after contract completion.

3.4.1.1 The records shall document the specific inspection actions or tests and provide objective quality evidence of completed work and form the basis for the acceptance of the work.

3.4.1.2 The records shall include documentation of contractor rejected work, corrective action taken and objective quality evidence, which the contractor offers as assurance of the conformance to the work item specifications.

3.4.1.3 The records shall include documentation of contractor inspection/test failures, corrective action taken and objective quality evidence, which the contractor offers as assurance of the conformance to the work item specifications.

3.4.1.4 Records provided by subcontractors may be incorporated in the inspection and test documentation, or if maintained as separate documentation, shall be referenced therein and be readily available for review by the SUPERVISOR.

3.4.1.5 The inspection record shall, for each work item, reference any quality deficiency reports (CARs) issued by the SUPERVISOR. All CARs require a written response from the contractor to the SUPERVISOR.

3.4.1.6 During the performance period of the contract, records shall be maintained at a location accessible to the site of work. The records shall be available for review by the SUPERVISOR during weekday and weekend hours consistent with regular day shift. Records shall also be available for the SUPERVISOR’s review during the 90 days following contract completion.

3.4.1.7 Contractor’s inspection records are an integral part of the work. Therefore, the Contracting Officer and the SUPERVISOR will consider the work item incomplete if the contractor’s documentation and records are not complete. Records shall include all TIR subcontractor inspection reports, material certificates and receipt inspection records.

3.5 Corrective Action:

3.5.1 The contractor’s corrective action shall provide for prompt correction of defects whether found by the SUPERVISOR or by the contractor or subcontractor’s personnel. When such defects are reported by the SUPERVISOR and require a written response, the contractor shall provide prompt written response indicating corrective action taken or the date by which a specific corrective action will be complete. The contractor’s corrective action shall provide for the correction of the cause of defects in work or procedures reported by the SUPERVISOR to the contractor by quality deficiency report (CARs) of letter.

3.6 Submission of Records:

3.6.1 A copy of all records as defined by 3.2.2 shall be submitted to the SUPERVISOR within 10 (ten) days of Undocking Certification. The contractor shall maintain original copies in accordance with paragraph 3.4.1.6.

3.6.2 Maintain the current the following certifications for accomplishing preservation operations to areas as listed in 1.2. Information for these certifications can be found at www.sspc.org and www.naceinstitute.org/Certification.

3.6.2.1 Coating inspectors shall be currently certified in accordance with the NAVSEA Basic Paint Inspector (NBPI) course, NACE International Coating Inspector Program (CIP) Level 1 or higher, or SSPC Protective Coating Inspector Program (PCI) Level 2. Coating inspectors shall also have a minimum of 2 years of marine coatings related work experience.

3.6.2.2 Organizations performing blasting operations (abrasive and waterjetting) or coating application shall be currently certified in accordance with QP 1 of 2.5 (with the exception of the Coating Application Specialist (CAS) requirement) or NAVSEA-approved equivalent.

3.6.2.3 For components that are removed from the ship and preserved, ISO 9001 may be substituted for QP 1.

3.6.2.4 Spray painters shall be currently certified in accordance with SSPC C-12, SSPC C-14, SSPC CAS Level 2, or NAVSEA-approved equivalent. For equivalent certifications, a copy of the NAVSEA approval letter shall be maintained by the repair activity.

3.6.2.5 Plural Component Pump Tenders and Applicators shall be currently certified in accordance with SSPC C-14 or NAVSEA-approved equivalent certifications. For equivalent certifications, a copy of the NAVSEA approval letter shall be maintained by the repair activity.

3.6.2.6 Blasters shall be currently certified in accordance with SSPC C-7, SSPC CAS Level 2, or NAVSEA-approved equivalent. For equivalent certifications, a copy of the NAVSEA approval letter shall be maintained by the repair activity.

3.6.2.7 Blasters performing Ultra High Pressure waterjetting shall be currently certified in accordance with SSPC C-13 or NAVSEA-approved equivalent. For equivalent certifications, a copy of the NAVSEA approval letter shall be maintained by the repair activity.

3.7 Within 24 hours of docking wash the entire hull, from the keel to six (6) inches above the light load line with fresh water.

3.7.1 Water pressure shall be sufficient pressure to remove all marine growth, (slime, grass, tube worms, barnacles, et cetera), peeling, blistered, and flaking paint and salts.

3.7.2 Area included but is not limited to; sea chests, strainer plates, thruster tunnels, bilge keels, struts and rudders.

3.7.3 Provide man lifts (cherry picker/JLG), any required safety gear and operator for use by the Coating Manufacturer’s Representative and the contractor’s QA inspector when inspecting hull surface preparations and coatings.

3.7.4 Paint material shall be stored within the Paint Manufacturer's recommended temperature range. When paint material is being applied, ensure that the material's temperature is within the Manufacturer's recommended range, but in any case, not less than 70° F.

(G) (Visual Inspection)

3.7.5 Accomplish a visual inspection of the underwater hull coating system for deterioration and condition, using 2.2 for guidance, immediately following the completion of fresh water washing of the ship’s underwater hull surfaces, conduct a hull coatings survey with the following personnel in attendance:

3.7.5.1 Coating Manufacturer’s Representative

3.7.5.2 Contractor’s Paint Representative

3.7.5.3 Government Program Manager or his designee

(G) (Visual Inspection)

3.8 Securely mask and protect all of the following with material approved by the SUPERVISOR or Coating Manufacturer’s Representative of sufficient density to prevent entry of dirt, debris and grit blasting materials into the interior of the ship during grit blasting.

3.8.1 Impressed current reference cells and anodes

3.8.2 Transducers

3.8.3 Propeller shafts and shaft seals

3.8.4 All other openings in hull. Install temporary protective covering on bearings, propellers, zinc anodes, impressed current system, fathometer, sea valves, rodmeter, main propulsion shafting, rudder seals, transducers, emitter belts, rope guards, coupling guards, fairwaters and sonar dome rubber window, by masking or otherwise sealing with blast resistant material while cleaning and painting.

3.8.5 Remove all sea chest strainer plates and preserve, prepare surface to ensure a minimum profile of 2 to 4 mils deep to ensure adhesion then apply the full underwater hull coating system listed in Table One.

3.8.6 Remove composite fairwaters and preserve, hand sand or accomplish a light brush off blast, utilizing walnut shells to sound AC coat, abrade surface to ensure adhesion. Apply the full underwater hull coating system to the exterior and the anti-corrosive system as listed in Table One only to the interior of the fairwaters, stern tube barrels, and strut barrels.

3.9 Inspect and repair any damaged protective coverings no less than the start of each work-shift.

3.10 Mark, photograph and record locations of upper and lower boottop limits, draft marks, ship's name and hull number. Verify location of weld marks for re-establishing layout after hull preservation, using 2.3 for guidance.

3.10.1 Submit one legible copy, in hard copy or approved transferrable media, of a report listing results of the requirements of 3.7 and 3.10 to the SUPERVISOR.

3.11 Accomplish the requirements of 009-12 of 2.1, including Table 2, Column A, Lines One through 7, to weld bead in and outline all draft marks and other hull markings as required to restore worn or missing marks.

3.12 Accomplish the requirements of 2.5, Surface Preparation Standard SSPS-SP1, Solvent Cleaning to remove all dirt, oil, grease, soluble salts or other organic matter.

3.12.1 Biodegradable cleaners or other eco-friendly methods/agents shall be used to the greatest extent possible.

(I)(G) Chloride Test

3.13 Upon completion of all cleaning, chloride testing shall be performed at random locations.

3.13.1 Ensure the following requirements are met prior to surface preparation: For surfaces listed in 1.2, accomplish the requirements for chloride testing at random locations as follows:

3.13.2 The maximum allowable chloride contamination concentrations shall be less than 10ug/cm2 (or less than 100 microsiemens per centimeter conductivity) as determined by field or laboratory analysis using reliable reproducible test equipment.

3.13.3 Accomplish surface chloride checks using available field or laboratory test equipment on the freshly prepared surface.

3.13.4 Results of this testing shall be presented to the Coating Manufacturer’s Representative at the time of inspection for coating application.

3.13.5 Upon completion of all water washing, chloride testing shall be performed at a rate of no less than one (1) test per 500 Square Feet of surface.

3.14 Chloride measurements exceeding the respective values, additional cleaning shall be conducted and additional tests shall be made until the contamination meets the requirements of 3.13.2.

3.15 Fit and install a temporary 5.1-pound mild steel blank in each sea valve opening using 2.4 for guidance.

3.16 Plug or install temporary drain line on each overboard discharge.

3.17 Maintain underwater hull in a dry condition after blasting and until final coat of paint is dry.

(G) BLAST PROFILE

3.18 Accomplish abrasive blasting in accordance with Surface Preparation Standard, SSPC-SP10/NACE 2, Near White Metal Blast Cleaning to the areas identified in paragraph 1.2.

3.18.1 The blast profile achieved shall be angular in nature and two (2) to four (4) mils deep.

3.18.2 Profile shall be determined using a Keane-Tator (or equal) Surface Profile Comparator.

3.18.3 Testex (or equal) replica Tape shall be mounted, identified as to location and included as part of the final paint report.

3.18.4 A minimum of one (1) reading per 1,000 Square feet for verification.

(G) CONTAMINATION CONCENTRATIONS

3.19 Immediately prior to coating the surface shall be re-tested for non-visual contaminates at random locations to ensure the surfaces have not been contaminated.

3.19.1 The maximum allowable chloride contamination concentrations shall be less than 10ug/cm2 (or less than 100 microsiemens per centimeter conductivity) as determined by field or laboratory analysis using reliable reproducible test equipment.

3.19.2 Accomplish surface chloride checks using available field or laboratory test equipment on the freshly prepared surface.

3.19.3 Results of this testing shall be presented to the Coating Manufacturer’s Representative at the time of inspection for coating application.

3.19.4 Chloride measurements exceeding the respective values, additional cleaning shall be conducted and additional tests shall be made until the contamination meets the requirements of 3.19.1.

3.19.5 Chloride testing shall be performed at a rate of no less than one (1) test per 1000 Square Feet of surface.

3.20 Upon completion of exterior surface preparation and after approval by the Coating Manufacturer’s Representative, apply the coatings described below in Table One, in accordance with 2.6, and the following;

3.20.1 Paint shall only be applied when the environmental conditions, including but not limited to temperature, humidity, and steel temperature are within the published limits established by the paint manufacturer in 2.6. Do not apply these coatings below 35 degrees Fahrenheit.

3.20.2 Manufacturer’s established drying times between coats shall be followed to ensure adhesion of the subsequent coats.

3.20.3 Each undercoat shall be of a different color to make holidays and inadequate coverage readily apparent, with the exception of the third coat of the Boottop, which shall be black.

3.20.4 For interior surfaces of stern tubes and extensions, strut barrels, fairwater interiors, shaft flanges (not exposed to seawater) and coupling covers, do not apply antifouling topcoat (AF).

3.20.5 Painting shall not be performed between the hours of sunset and 0800 without prior written approval of the SUPERVISOR.

(G) Properly Cured (Properly cured, completed creditable cure time for the millage applied, all paperwork reviewed and in tolerance with requirements and ready for application of next coat.)

3.21 Prior to applying any coat, the previous coat shall be approved by the SUPERVISOR and Coating manufacturer’s representative, properly cured, and ready for follow on coating.

3.21.1 Measure and record the Dry Film Thickness (DFT) of previous coating taken at a rate of five per 1,000 square feet. DFT gages shall be calibrated, spot readings shall be taken and DFT tolerances shall be in accordance with SSPC-PA2, Measurement of Dry Coating Thickness With Magnetic Gages.

(G) Erosion-Resistant Epoxy Coating (Mixing and Application)

3.22 For Flight I and Flight II hulls only; Accomplish the requirements of Paragraphs 631-7.7 through 631-7.7.4.5.1 of 2.2, for mixing and application of Erosion-Resistant Epoxy Coating, EC-2216B/A, (Epoxy Fairing Compound) on each rudder, each strut, and other erosion prone areas when directed by the SUPERVISOR.

3.22.1 Erosion-Resistant Epoxy Coating is to be applied between underwater hull anti-corrosive (AC) and anti-fouling (AF) coatings, as described in Paragraph 631-8.4.3.2 of 2.2.

3.22.2 Mix and apply 6 mils WFT on first coat, and three successive coats at 8 mils WFT, using up to a total of 30 gallon kits of fairing compound.

Table One

4-5 mils

5-6 mils

5-6 mils

5-6 mils

3.23 Boottopping shall be straight and neatly cut in. The Boottopping is defined as the black area from minimum load waterline at which the ship is expected to operate to 12 inches above the maximum load waterline. The black paint is an antifouling paint conforming to MIL-PRF- 24647. The haze gray MIL-PRF-24635 shall not overlap onto the black MIL-PRF-24647 antifouling topcoat.

3.24 Restore draft marks identified in 3.11 using 2.3 and 2.6.

3.25 Install new zinc anodes in place of those removed to accomplish preservation.

3.26 Remove protections put in place with paragraph 3.8 and 3.15 upon completion of all coatings.

(G) VISUAL INSPECTION

3.27 Upon completion of hull coating, and before reinstallation of strainer plates, all sea chests and overboard discharges shall be inspected by the Coating Manufacturer’s Representative, Program Manager or their designee and the Ship’s Chief Engineer or their designee, for cleanliness and removal of plugs and blanks.

3.27.1 Upon completion of inspection reinstall all strainer plates using new Monel bolting and Monel lock wire.

3.28 A minimum of 24 hours drying time shall be allowed after the last coat prior to undocking.

3.29 Accomplishment of cleaning and painting for new and disturbed surfaces shall be in accordance with NAVSEA Standard Items.

4. NOTES:

4.1 Coating Manufacturers Representative for this NSI is the Government Representative and will conduct all check points related to this NSI. (G) Check points.

4.2 Coating manufacturer and Coating Manufacturer’s representative have to match, i.e., PPG coatings, PPG Coating Manufacturer’s representative, etc.

5.0 GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None

5.2 PUSH MATERIAL:

1. None

5.3 KITTED MATERIAL:

5.3 KITTED MATERIAL:

30 GALLONS