GB/T 31972-2015Requirement of corrosion protection for floating production and storage units offshore (English PDF)

1 Scope

This standard specifies the floating production storage device (FPS) protection coating and cathodic protection requirements.

This standard applies to floating production storage device (FPS) corrosion protection design, construction and inspection.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 8923.1-2011 steel substrates before application of paints and Visual assessment of surface cleanliness - Part 1. uncoated

Steel surface and the overall removal Rust grades and grade of steel surface coating after the original

GB/T 8923.3-2009 steel substrates before application of paints and Visual assessment of surface cleanliness - Part 3. Weld edge

And surface defects in other regions processing level

GB/T 9793 thermal spraying of metals and other inorganic coatings - Zinc, aluminum and its alloys

Part 2 steel surface blast cleaned steel surface before the GB/T 13288.2-2011 coated paint finish characteristics

Score. Determination after abrasive blast cleaning of steel surface roughness comparison specimens rating method

GB/T 13912 Metallic coatings Steel parts hot-dip galvanized layer of technical requirements and test methods

The front surface of the steel GB/T 18570.3-2005 application of paints and assessment of surface cleanliness - Part 3. applying a coating

Assessment of dust on steel surfaces (pressure-sensitive tape method)

GB/T 18570.6 steel substrates before application of paints and Tests for the assessment of surface cleanliness - Part 6. Extraction of soluble contaminants take

Sample Bresle method

Evaluation of GB/T 18570.9 steel substrates before application of paints and surface cleanliness - Part 9. water-soluble salts of the field

Conductivity Determination

CB/T 4168 ballast tank coating technology requirements

CB/T 4231 ship painting technical requirements

ISO 20340.2009 Paints and varnishes and related structures offshore protective coating system performance requirements (Paintsand varnishes-Performancerequirementsforprotectivepaintsystemsforoffshoreandrelatedstructures)

IMO/MSC.215 (82) of all types of ships dedicated seawater ballast tanks and double-side skin spaces of bulk carriers protective coatings performance standards (Per- formancestandardforprotectivecoatingsfordedicatedseawaterbalasttanksinaltypesofshipsand double-sideskinspacesofbulkcarriers)

DNV-RP-B401 cathodic protection design (Cathodicprotectiondesign)

3 Terms and Definitions

The following terms and definitions apply to this document.