RECOMMENDED PRACTICE
D ET N ORSK
E V
ERITAS
DNV-RP-F106
FACTORY APPLIED
EXTERNAL PIPELINE COATINGS FOR CORROSION CONTROL
OCTOBER 2003
Since issued in print (October 2003), this booklet has been amended, latest in April 2006.
See the reference to “Amendments and Corrections” on the next page.
Comments may be nt by e-mail to
中国谜语大全
For subscription orders or information about subscription terms, plea u
Comprehensive information about DNV rvices, rearch and publications can be found at http :// , or can be obtained from DNV, Veritas-
veien 1, NO-1322 Høvik, Norway; Tel +47 67 57 99 00, Fax +47 67 57 99 11.
© Det Norske Veritas. All rights rerved. No part of this publication may be reproduced or transmitted in any form or by any means, including pho-tocopying and recording, without the prior written connt of Det Norske Veritas.Computer Typetting (FM+SGML) by Det Norske Veritas.Printed in Norway
If any person suffers loss or damage which is proved to have been caud by any negligent act or omission of Det Norske Veritas, then Det Norske Veritas shall pay compensation to such person for his proved direct loss or damage. However, the compensation shall not exceed an amount equal to ten times the fee charged for the rvice in question, provided that the maximum compen-sation shall never exceed USD 2 million.
In this provision "Det Norske Veritas" shall mean the Foundation Det Norske Veritas as well as all its
subsidiaries, directors, officers, employees, agents and any other acting on behalf of Det Norske Veritas.
FOREWORD
DET NORSKE VERITAS (DNV) is an autonomous and independent foundation with the objectives of safeguarding life, prop-erty and the environment, at a and onshore. DNV undertakes classification, certification, and other verification and consultancy rvices relating to quality of ships, offshore units and installations, and onshore industries worldwide, and carries out rearch in relation to the functions.
DNV Offshore Codes consist of a three level hierarchy of documents:
—Offshore Service Specifications. Provide principles and procedures of DNV classification, certification, verification and con-sultancy rvices.
—Offshore Standards. Provide technical provisions and acceptance criteria for general u by the offshore industry as well as
the technical basis for DNV offshore rvices.
—Recommended Practices. Provide proven technology and sound engineering practice as well as guidance for the higher level
Offshore Service Specifications and Offshore Standards.DNV Offshore Codes are offered within the following areas:A)Qualification, Quality and Safety Methodology B)Materials Technology C)Structures D)Systems
E)Special Facilities F)Pipelines and Rirs G)Ast Operation H)Marine Operations J)Wind Turbines
Amendments and Corrections
This document is valid until superded by a new revision. Minor amendments and corrections will be published in a parate document normally updated twice per year (April and October).
For a complete listing of the changes, e the “Amendments and Corrections” document located at: /technologyrvices/, “Offshore Rules & Standards”, “Viewing Area”.
The electronic web-versions of the DNV Offshore Codes will be regularly updated to include the amendments and corrections.
Amended April 2006,Recommended Practice DNV-RP-F106, October 2003 e note on front cover Page 3
CONTENTS
1.GENERAL (5)
1.1Introduction (5)
1.2Scope (5)
1.3Objectives and u (5)
1.4Structure of document (6)
1.5Relation to DNV-OS-F101 and other DNV
宿舍楼英文documents on pipeline corrosion control (6)
2.REFERENCES (7)
2.1ASTM (American Society for Testing and
Materials) (7)
2.2BS (British Standards) (7)
2.3CSA (Canadian Standards Association) (7)
2.4DIN (Deutsche Industrie Normen) (7)
2.5DNV (Det Norske Veritas) (7)
2.6EN (European Standards) (7)
2.7GBE (Gas Business Engineering/British Gas) (7)
2.8ISO (International Organization for
Standardization) (8)
2.9NACE (National Association of Corrosion
轻而易举的反义词
Engineers).................................................................82.10NF (Normes Francai). (8)
3.TERMINOLOGY AND DEFINITIONS (9)
4.ABBREVIATIONS (9)
5MON REQUIREMENTS (9)
5.1Manufacturing procedure specification (9)
5.2Pre-production qualification testing (PQT) (9)
5.3Quality control of production (10)
夜未央的唯美诗句5.4Coating and blasting materials (11)
5.5Receipt inspection of pipes and surface
preparation (12)
5.6Coating application (12)
5.7Inspection and testing of coated pipes (13)
5.8Repairs and stripping (13)
5.9Documentation and marking (13)
5.10Handling and storage of pipes (14)
6.ANNEX 1 COATING DATA SHEETS (15)
7.ANNEX 2 SPECIFICATION OF
AMENDMENTS AND DEVIATIONS (32)
D ET N ORSK
E V ERITAS
Recommended Practice DNV-RP-F106, October 2003Amended April 2006, Page 4e note on front cover
D ET N ORSK
E V ERITAS
Amended April 2006,Recommended Practice DNV-RP-F106, October 2003 e note on front cover Page 5
1. General
1.1 Introduction
1.1.1 The primary objective of external coatings on submarine pipelines is corrosion control. In addition, the coating system can be designed to provide mechanical protection during installation and operation, and/or thermal insulation. A corro-sion protective coating may also be combined with a concrete weight coating (for anti-buoyancy and/or mechanical protec-tion during operation).
1.1.2 Coatings for external corrosion control of pipelines are applied to individual pipe lengths at a dedicated coating plant. This coating is referred to as “linepipe coating” (sometimes also as “factory coating”). In order to facilitate girth welding, areas at each end of the individual pipe length are left uncoat-ed. The areas are normally coated after welding, by applying a “field joint coating system” (ref. DNV-RP-F102). Repair of linepipe coating after discharge from the coating factory is referred to as “coating field repair” (ref. DNV-RP-F102).
Guidance note:
In its widest n, the term “pipeline coating” includes linepipe coating, field joint coating (FJC) and coating field repair (CFR).
FJC and CFR are typically performed under the same contract is-sued by the installation contractor, whilst linepipe coating is mostly carried out by another coating manufacturer contracted by the pipeline operator, installation contractor or linepipe man-ufacturer.
---e-n-d---of---G-u-i-d-a-n-c-e---n-o-t-e---
1.1.3 Submarine pipelines are almost invariably designed with a cathodic protection (CP) system, mostly bad on galvanic (or “sacrificial”) anodes. The CP system rves as a back-up for any deficiencies of the pipeline coating, including defects during manufacturing and damage during transporta-tion/installation, in addition to any assumed degradation of coating materials and mechanical damage during operation. Hence, CP design for submarine pipelines is cloly related to the design and quality control of pipeline coatings, including FJC and CFR.
1.2 Scope
1.2.1 This Recommended Practice (RP) has been prepared to facilitate the specification and executi
on of coating work. While the requirements and recommendations are general, the document contains advice on how amendments can be made to include project specific requirements and requirements/guide-lines by a regulating authority, or to reflect the pipeline opera-tor’s general philosophy on pipeline corrosion control.
1.2.2 This RP covers the process of applying external coating systems for corrosion control of submarine pipelines at the coating plant, and includes the qualification and implementa-tion of this process. The following coating systems are cov-ered:
1)Single or dual layer fusion bonded epoxy*).
2)3-layer coating bad on an inner layer of fusion bonded
epoxy (FBE) applied by spraying, an intermediate adhe-sive layer applied by spraying or extrusion, and an outer jacket of polyethylene (PE) applied by extrusion*).
3)3-layer coating bad on an inner layer of FBE applied by
spraying, an intermediate adhesive layer applied by spray-ing or extrusion, and an outer jacket of polypropylene (PP) applied by extrusion.
4)Multi-layer PP coatings with the 3 innermost layers as for
3) above and a relatively thick layer of foamed or syntactic
PP for the purpo of thermal insulation plus an outer jack-et in PP.5)Glass fibre reinforced asphalt enamel coating*).
6)Glass fibre reinforced coal tar enamel coating*).
7)Polychloroprene (vulcanid rubber) coating (sometimes
applied for thermal insulation in addition to corrosion con-trol and mechanical protection).
8)Multi-layer polychloroprene (vulcanid rubber) coating
(primarily for heat/thermal insulation).
*) Primarily for u in combination with a concrete weight coating.
Guidance note:
卫生教育
Pipeline operators (and installation contractors if applicable) should consider the needs to carry out qualification of generic coating systems for specially demanding applications; e.g. resist-ance to bending during installation by reeling and long term
(>10,000 hrs) thermal degradation of critical coating properties associated with high operating temperatures. Purchars of line-pipe coating should further consider pre-qualification of the coat-ing manufacturers prior to the issue of purcha document.
---e-n-d---of---G-u-i-d-a-n-c-e---n-o-t-e---
1.2.3 This RP covers primarily the process of coating of ordi-nary pipe joints, and pipe joints with a buckle arrestor. It may also be ud for coating of pipeline components (e.g. bends, tees and reducers), or for coating of linepipe for onshore pipe-lines, using the same or similar coating systems. The ur shall consider the needs for amendments and deviations for such applications.
1.2.4 The following activities associated with linepipe coating are not covered in the prent recommended practice:—Requirements for the qualification of supplier specific coating materials for general purpos (i.e. not project spe-cific), e Guidance Note to 5.4.3.
—
Detailed design of linepipe coating systems for project specific purpos (e.g. heat insulation, anti-buoyancy; e also Guidance Note to 5.4.2).
—Application of concrete weight coating.
1.2.5 Although considerations related to safety and environ-mental hazards associated with either pipe coating work or properties of the coating in the ‘as applied’ condition (reflected by national and multi-national regulations) are of great impor-tance, such are never-the-less beyond the scope of this docu-ment.
广东大学城1.3 Objectives and u
1.3.1 This Recommended Practice (RP) has two major objec-tives; it may either be ud as a guideline for the preparation of manufacturing specifications for external pipeline coating sys-tems as defined in 1.
2.2 above, or it may be ud as an attach-ment to an inquiry or purcha order for such coatings. If Purchar has chon to refer to this RP in a purcha docu-ment (e definition in Sec. 3, then Contractor shall consider all requirements in this RP as mandatory (e Sec. 3), unless superded by amendments and deviations in the specific con-tract (e 1.
3.4).
1.3.2 If reference is made to this RP in a purcha document (e definition in Sec. 3), the following additional information and requirements shall always be specified, if applicable and relevant to the specific coating system as defined in the Coat-ing Data Sheet (CDS) of ANNEX 1:
Information:
—Pipe material (reference to lected standard or purchas-er’s specification), nominal inner diameter, wall thickness and length.
—Seam weld dimensions, including tolerances, if relevant for the specified coating system.
经期喝什么好—Any temporary external coating (e.g. varnish type) or per-
D ET N ORSK
昆虫记的读后感E V ERITAS
