ISO 12944-3:2017
Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 3: Design considerations
ISO 12944-3:2017 deals with the basic criteria for the design of steel structures to be coated by protective paint systems in order to avoid premature corrosion and degradation of the coating or the structure. It gives examples of appropriate and inappropriate design, indicating how problems of application, inspection and maintenance of paint systems can be avoided. Design measures which facilitate handling and transport of the steel structures are also considered.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Basic design criteria for corrosion protection purposes
5.1 General
5.2 Accessibility
5.3 Treatment of gaps
5.4 Precautions to prevent retention of deposits and water
5.5 Surface imperfections
5.6 Bolted connections
5.6.1 Slip-resistant connections with high-tensile bolts
5.6.2 Preloaded connections
5.6.3 Bolts, nuts and washers
5.7 Box members and hollow components
5.8 Notches
5.9 Stiffeners
5.10 Prevention of galvanic corrosion
5.11 Handling, transport and erection
Annex A (informative) Accessibility — Typical distances required for tools in corrosion protection work
Annex B (informative) Recommended minimum dimensions of openings for access to confined areas
Annex C (informative) Minimum dimensions for narrow spaces between surfaces
Annex D (informative) Design features which can be used to avoid deposits accumulating or water being trapped
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Basic design criteria for corrosion protection purposes
5.1 General
5.2 Accessibility
5.3 Treatment of gaps
5.4 Precautions to prevent retention of deposits and water
5.5 Surface imperfections
5.6 Bolted connections
5.6.1 Slip-resistant connections with high-tensile bolts
5.6.2 Preloaded connections
5.6.3 Bolts, nuts and washers
5.7 Box members and hollow components
5.8 Notches
5.9 Stiffeners
5.10 Prevention of galvanic corrosion
5.11 Handling, transport and erection
Annex A (informative) Accessibility — Typical distances required for tools in corrosion protection work
Annex B (informative) Recommended minimum dimensions of openings for access to confined areas
Annex C (informative) Minimum dimensions for narrow spaces between surfaces
Annex D (informative) Design features which can be used to avoid deposits accumulating or water being trapped
Bibliography