ASTM F941-99

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An American National Standard
Designation:F 941–99
Standard Practice for
Inspection of Marine Surface Preparation and Coating
Application
This standard is issued under the fixed designation F 941; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope SSPC PA 2 Measurement of Film Thickness
SSPC-SP 1 Solvent Cleaning
1.1 This practice is intended to serve as a guide for
SSPC-SP 3 Power Tool Cleaning
determining specific inspection requirements for marine sur-
SSPC-SP 5 White Metal Blast Cleaning
face preparation and coating application during new construc-
SSPC-SP 6 Commercial Blast Cleaning
tion, major retrofit, or routine maintenance contracts.
SSPC-SP 7 Brush-Off Blast Cleaning
1.2 It is intended that this practice be used to coordinate
SSPC-SP 10 Near-White Blast Cleaning
inspection activities between ship owner, ship builder, coatings
SSPC VIS-1 Pictorial Surface Preparation Standards for
manufacturer and coatings applicator, and that specific require-
Painting Steel Surfaces
ments be developed before the commencement of surface
2.3 JSRA Standard:
preparation or coating application, or both.
SPSS Standard for the Preparation of Steel Surface Prior to
1.3 This practice does not provide a means of recording
Painting
required data (for example, film thicknesses, temperatures,
2.4 ISO Standards:
relative humidity, etc.), but instead establishes a format for
ISO 8501-1:1988 Preparation of Substrates BeforeApplica-
deciding what data must be recorded, when during the
tion of Paints and Related Products—Visual Assessment
preparation/coating process, and by whom.
of Surface Cleanliness
1.4 This practice does not establish accept/reject criteria for
ISO 8502-1:1991 Preparation of Substrates BeforeApplica-
surface preparation or coating inspection, nor does it address
tions of Paints and Related Products—Tests for Assess-
methods of repairing deficiencies found. It does, however,
ment of Surface Cleanliness: Soluble Iron Products
provide a means of determining them.
ISO 8502-2:1992 Preparation of Substrates BeforeApplica-
1.5 This standard may involve hazardous materials, opera-
tions of Paints and Related Products—Tests for the
tions, and equipment. This standard does not purport to
Assessment of Surface Cleanliness—Laboratory Determi-
address all of the safety concerns, if any, associated with its
nation of Chloride on Cleaned Surfaces
use. It is the responsibility of the user of this standard to
ISO 8502-3:1992 Preparation of Substrates BeforeApplica-
establish appropriate safety and health practices and deter-
tions of Paints and Related Products—Tests for the
mine the applicability of regulatory limitations prior to use.
Assessment of Surface Cleanliness—Assessment of Dust
2. Referenced Documents on Steel Surfaces Prepared for Painting (Pressure Sensi-
tive Tape Method)
2.1 ASTM Standards:
ISO 8502-4:1993 Preparation of Substrates BeforeApplica-
D 3276 Guide for Painting Inspectors (Metal Substrates)
tions of Paints and Related Products—Tests for the
D 4940 Test Method for Conductimetric Analysis of Water
AssessmentofSurfaceCleanliness—GuidanceonEstima-
Soluble Ionic Contamination of Blasting Abrasives
tion of the Probability of Condensation Prior to Paint
F 718 Standard for Shipbuilders and Marine Paints and
Application
Coatings Product/Procedure Data Sheet
ISO 8502-6 Preparation of Substrates Before Applications
2.2 SSPC Standards:
of Paints and Related Products—Tests for theAssessment
This practice is under the jurisdiction of ASTM Committee F-25 on Ships and
Marine Technology and is the direct responsibility of Subcommittee F25.01 on Available from Steel Structures Painting Council, 4400 Fifth Ave., Pittsburgh,
Structures. PA 15213.
Current edition approved Nov. 10, 1999. Published March 2000. Originally JSRA standards are available from Shipbuilding Research Assoc. of Japan,
published as F 941 - 85. Last previous edition F 941 - 85 (1991). Sempakushinko Bldg., 15-16 1-Chome Toranomon Minato-Ku, Tokyo 105.
2 6
Annual Book of ASTM Standards, Vol 06.02. Available from American National Standards Institute, 11 W. 42nd St., 13th
Annual Book of ASTM Standards, Vol 01.07. Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F 941
ofSurfaceCleanliness—FieldExtractionofWaterSoluble for Determining Marine Surface Preparation and Coating
Salts (Dr. Bresle Method) Application Inspection Practices shall be completed (for each
ISO 8502-9 Preparation of Substrates Before Applications separate ship area) by the responsible party prior to and each
of Paints and Related Products—Tests for theAssessment item discussed and agreed upon during the meeting. The
of Surface Cleanliness—Field Evaluation of Water selected coating supplier(s) shall make available at this time
Soluble Salts by Conductimetric Evaluation specific product data sheets in accordance with Standard F 718
ISO 8503-1:1988 Preparation of Substrates BeforeApplica- harmonizing with the design intent of the application for each
tion of Paints and Related Products—Surface Roughness coating specified.
Characteristics of Blast-Cleaned Steel Substrates—
4.2 After completion of the sample form, and required
Comparator Procedure documentation has been submitted by the coatings supplier(s),
ISO 8503-2:1988 Preparation of Substrates BeforeApplica- signatures of applicable parties shall be obtained and dated.
tion of Paints and Related Products—Surface Roughness 4.3 A means of collecting and recording the information
Characteristics of Blast-Cleaned Steel Substrates—
required by the sample form shall be developed (see 5.1.6.4).
Method for the Calibration of ISO Surface Profile Com-
parators and for the Determination of Surface Profile—
5. Report
Focusing Microscope Procedure
5.1 The following paragraphs coincide with the individual
ISO 8503-4:1988 Preparation of Substrates BeforeApplica-
sections of the sample form to aid in their proper completion.
tion of Paints and Related Products—Surface Roughness
Guide D 3276 shall be consulted for additional guidance on
Characteristics of Blast-Cleaned Steel Substrates—
general surface preparation and coating inspection practices.
Method for the Calibration of ISO Surface Profile Com-
5.1.1 Contract—Indicate name of vessel, present owner/
parators and for the Determination of Surface Profile—
agent, and type of vessel (for example, roll-on/roll-off, tanker,
Stylus Instrument Procedure
etc.).
ISO 8504-1:1992 Preparation of Substrates BeforeApplica-
5.1.2 Category—Indicate whether contract is a new con-
tion of Paints and Related Products—Surface Preparation
struction, major retrofit, or routine maintenance contract.
Methods—General Guidelines
5.1.3 Ship Area(s) Concerned—Indicate the ship area(s)
ISO 8504-2:1992 Preparation of Substrates BeforeApplica-
(forexample,underwaterhull,ballasttanks,etc.)thatarebeing
tion of Paints and Related Products—Surface Preparation
addressed in the inspection
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