Petroleum and natural gas industries - Glass-reinforced plastics (GRP) piping - Part 3: System design (ISO 14692-3:2017)

ISO 14692-3:2017 gives guidelines for the design of GRP piping systems. The requirements and recommendations apply to layout dimensions, hydraulic design, structural design, detailing, fire endurance, spread of fire and emissions and control of electrostatic discharge.
This document is intended to be read in conjunction with ISO 14692‑1.

Erdöl- und Erdgasindustrie - Glasfaserverstärkte Kunststoffrohrleitungen (GFK) - Teil 3: Systemauslegung (ISO 14692-3:2017)

Industries du pétrole et du gaz naturel - Canalisations en plastique renforcé de verre (PRV) - Partie 3: Conception des systèmes (ISO 14692-3:2017)

ISO 14692-3:2017 donne des lignes directrices pour la conception des systèmes de tuyauteries en PRV. Les exigences et recommandations s'appliquent aux dimensions d'implantation, à la conception hydraulique, à la conception de la structure, aux détails, à l'endurance au feu, à la propagation du feu et aux émissions et au contrôle des décharges électrostatiques.
ISO 14692-3.2017 est destiné à être lu de pair avec l'ISO 14692‑1.

Industrija za predelavo nafte in zemeljskega plina - S steklenimi vlakni ojačeni polimerni cevovodi (GRP) - 3. del: Načrtovanje sistema (ISO 14692-3:2017)

Ta dokument podaja smernice za načrtovanje s steklenimi vlakni ojačenih polimernih cevovodnih sistemov. Zahteve in priporočila se uporabljajo za določanje dimenzij, načrtovanje hidravličnih sistemov, načrtovanje konstrukcij, odpornost na ogenj, razširjanje ognja in emisij ter nadzor elektrostatične razelektritve.
Ta dokument je treba uporabljati v povezavi s standardom ISO 14692-1.

General Information

Status
Published
Publication Date
12-Sep-2017
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
13-Mar-2017

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SLOVENSKI STANDARD
SIST EN ISO 14692-3:2017
01-november-2017
1DGRPHãþD
SIST EN ISO 14692-3:2004
SIST EN ISO 14692-3:2004/AC:2007
,QGXVWULMD]DSUHGHODYRQDIWHLQ]HPHOMVNHJDSOLQD6VWHNOHQLPLYODNQLRMDþHQL
SROLPHUQLFHYRYRGL *53 GHO1DþUWRYDQMHVLVWHPD ,62

Petroleum and natural gas industries - Glass-reinforced plastics (GRP) piping - Part 3:

System design (ISO 14692-3:2017)

Erdöl- und Erdgasindustrie - Glasfaserverstärkte Kunststoffrohrleitungen (GFK) - Teil 3:

Systemauslegung (ISO 14692-3:2017)

Industries du pétrole et du gaz naturel - Canalisations en plastique renforcé de verre

(PRV) - Partie 3: Conception des systèmes (ISO 14692-3:2017)
Ta slovenski standard je istoveten z: EN ISO 14692-3:2017
ICS:
75.200 2SUHPD]DVNODGLãþHQMH Petroleum products and
QDIWHQDIWQLKSURL]YRGRYLQ natural gas handling
]HPHOMVNHJDSOLQD equipment
83.140.30 3ROLPHUQHFHYLLQILWLQJL]D Plastics pipes and fittings for
VQRYLNLQLVRWHNRþLQH non fluid use
SIST EN ISO 14692-3:2017 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 14692-3:2017
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SIST EN ISO 14692-3:2017
EN ISO 14692-3
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2017
EUROPÄISCHE NORM
ICS 75.200; 83.140.30 Supersedes EN ISO 14692-3:2002
English Version
Petroleum and natural gas industries - Glass-reinforced
plastics (GRP) piping - Part 3: System design (ISO 14692-
3:2017)

Industries du pétrole et du gaz naturel - Canalisations Erdöl- und Erdgasindustrie - Glasfaserverstärkte

en plastique renforcé de verre (PRV) - Partie 3: Kunststoffrohrleitungen (GFK) - Teil 3:

Conception des systèmes (ISO 14692-3:2017) Systemauslegung (ISO 14692-3:2017)
This European Standard was approved by CEN on 22 June 2017.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 14692-3:2017 E

worldwide for CEN national Members.
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SIST EN ISO 14692-3:2017
EN ISO 14692-3:2017 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 14692-3:2017
EN ISO 14692-3:2017 (E)
European foreword

This document (EN ISO 14692-3:2017) has been prepared by Technical Committee ISO/TC 67

"Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries"

in collaboration with Technical Committee CEN/TC 12 “Materials, equipment and offshore structures

for petroleum, petrochemical and natural gas industries” the secretariat of which is held by NEN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by March 2018 and conflicting national standards shall be

withdrawn at the latest by March 2018.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 14692-3:2002.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 14692-3:2017 has been approved by CEN as EN ISO 14692-3:2017 without any

modification.
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SIST EN ISO 14692-3:2017
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SIST EN ISO 14692-3:2017
INTERNATIONAL ISO
STANDARD 14692-3
Second edition
2017-08
Petroleum and natural gas
industries — Glass-reinforced plastics
(GRP) piping —
Part 3:
System design
Industries du pétrole et du gaz naturel — Canalisations en plastique
renforcé de verre (PRV) —
Partie 3: Conception des systèmes
Reference number
ISO 14692-3:2017(E)
ISO 2017
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SIST EN ISO 14692-3:2017
ISO 14692-3:2017(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2017, Published in Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved
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SIST EN ISO 14692-3:2017
ISO 14692-3:2017(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 2

3 Terms and definitions ..................................................................................................................................................................................... 3

4 Layout requirements ........................................................................................................................................................................................ 3

4.1 General ........................................................................................................................................................................................................... 3

4.2 Space requirements ............................................................................................................................................................................ 4

4.3 System supports..................................................................................................................................................................................... 4

4.3.1 General...................................................................................................................................................................................... 4

4.3.2 Pipe-support contact surface ................................................................................................................................ 5

4.4 Isolation and access for cleaning ............................................................................................................................................. 5

4.5 Vulnerability .............................................................................................................................................................................................. 5

4.5.1 Point loads ............................................................................................................................................................................. 5

4.5.2 Abuse.......................................................................................................................................................................................... 5

4.5.3 Dynamic excitation and interaction with adjacent equipment and piping ................... 6

4.5.4 Exposure to light and ultraviolet radiation ............................................................................................... 6

4.5.5 Low temperatures and requirements for insulation ........................................................................ 6

4.6 Fire and blast ............................................................................................................................................................................................ 6

5 Hydraulic design ................................................................................................................................................................................................... 7

5.1 General ........................................................................................................................................................................................................... 7

5.2 Flow characteristics ............................................................................................................................................................................ 7

5.3 General velocity limitations ......................................................................................................................................................... 7

5.4 Erosion ........................................................................................................................................................................................................... 8

5.4.1 General...................................................................................................................................................................................... 8

5.4.2 Particulate content ......................................................................................................................................................... 8

5.4.3 Piping configuration ..................................................................................................................................................... 8

5.4.4 Cavitation ............................................................................................................................................................................... 8

5.5 Water hammer ........................................................................................................................................................................................ 8

6 Generation of design envelopes ............................................................................................................................................................ 9

6.1 Partial factors ........................................................................................................................................................................................... 9

6.1.1 Design life ............................................................................................................................................................................... 9

6.1.2 Chemical degradation .................................................................................................................................................. 9

6.1.3 Fatigue and cyclic loading ........................................................................................................................................ 9

6.2 Part factor, f ............................................................................................................................................................................................

2 10

6.3 Combinations of part factor and partial factors ......................................................................................................11

6.4 Design envelope ..................................................................................................................................................................................11

7 Stress analysis ......................................................................................................................................................................................................13

7.1 Analysis methods ...............................................................................................................................................................................13

7.2 Pipe stress analysis software ...................................................................................................................................................14

7.3 Analysis requirements ...................................................................................................................................................................14

7.4 Flexibility factors ......... .......................................................................................................................................................................14

7.5 Stress intensification factors ....................................................................................................................................................14

7.6 Modelling fittings ...............................................................................................................................................................................15

7.7 Allowable deflections .....................................................................................................................................................................15

7.7.1 Vertical deflection in aboveground piping systems ........................................................................15

7.7.2 Vertical deflection in buried piping systems ........................................................................................15

7.8 Allowable stresses .............................................................................................................................................................................16

7.9 External pressure ...............................................................................................................................................................................19

7.10 Axial compressive loading (buckling) ..............................................................................................................................20

7.10.1 Shell buckling ...................................................................................................................................................................20

7.10.2 Euler buckling .................................................................................................................................................................20

© ISO 2017 – All rights reserved iii
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SIST EN ISO 14692-3:2017
ISO 14692-3:2017(E)

7.10.3 Buckling pressure — Buried piping .............................................................................................................21

7.10.4 Upheaval buckling pressure ................................................................................................................................22

7.11 Longitudinal pressure expansion ........................................................................................................................................23

8 Other design aspects .....................................................................................................................................................................................23

8.1 Fire ......... .........................................................................................................................................................................................................23

8.1.1 General...................................................................................................................................................................................23

8.1.2 Fire endurance ................................................................................................................................................................24

8.1.3 Fire reaction ......................................................................................................................................................................24

8.1.4 Fire-protective coatings ..........................................................................................................................................25

8.2 Static electricity ...................................................................................................................................................................................25

9 Installer and operator documentation.......................................................................................................................................26

Annex A (normative) Cyclic de-rating factor — A ..............................................................................................................................27

Annex B (normative) Flexibility factors and stress intensification factors ..............................................................29

Bibliography .............................................................................................................................................................................................................................36

iv © ISO 2017 – All rights reserved
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SIST EN ISO 14692-3:2017
ISO 14692-3:2017(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: www.iso.org/iso/foreword.html.

This second edition cancels and replaces the first edition (ISO 14692-3:2002), which has been

technically revised. It also incorporates the Technical Corrigendum ISO 14692-3:2002/Cor 1:2005.

This document was prepared by Technical Committee ISO/TC 67, Materials, equipment and offshore

structures for petroleum, petrochemical and natural gas industries, Subcommittee SC 6, Processing

equipment and systems.
A list of all the parts of ISO 14692 can be found on the ISO website.
© ISO 2017 – All rights reserved v
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SIST EN ISO 14692-3:2017
ISO 14692-3:2017(E)
Introduction

The objective of this document is to ensure that piping systems, when designed using the components

qualified in ISO 14692-2, will meet the specified performance requirements. These piping systems are

designed for use in oil and natural gas industry processing and utility service applications. The main

users of the document will be the principal, design contractors, suppliers contracted to do the design,

certifying authorities and government agencies.
vi © ISO 2017 – All rights reserved
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SIST EN ISO 14692-3:2017
INTERNATIONAL STANDARD ISO 14692-3:2017(E)
Petroleum and natural gas industries — Glass-reinforced
plastics (GRP) piping —
Part 3:
System design
1 Scope

This document gives guidelines for the design of GRP piping systems. The requirements and

recommendations apply to layout dimensions, hydraulic design, structural design, detailing, fire

endurance, spread of fire and emissions and control of electrostatic discharge.
This document is intended to be read in conjunction with ISO 14692-1.

Guidance on the use of this document can be found in Figure 1, which is a more detailed flowchart of

steps 5 and 6 in ISO 14692-1:2017, Figure 1.
© ISO 2017 – All rights reserved 1
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SIST EN ISO 14692-3:2017
ISO 14692-3:2017(E)
Figure 1 — Guidance on the use of this document
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1:

Vocabulary, symbols, applications and materials
2 © ISO 2017 – All rights reserved
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SIST EN ISO 14692-3:2017
ISO 14692-3:2017(E)

ISO 14692-2:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 2:

Qualification and manufacture

ASTM D2992, Standard Practice for Obtaining Hydrostatic or Pressure Design Basis for Fiberglass (Glass-

Fiber-Reinforced Thermosetting-Resin) Pipe and Fittings

ASTM D2412, Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe

by Parallel-Plate Loading
AWWA Manual M45, Fiberglass pipe design
3 Terms and definitions

For the purposes of this document, the terms, definitions, symbols and abbreviated terms given in

ISO 14692-1 apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
4 Layout requirements
4.1 General

GRP products are proprietary and the choice of component sizes, fittings and material types can be

limited depending on the supplier. Potential vendors should be identified early in design to determine

possible limitations of component availability. The level of engineering support that can be provided by

the supplier should also be a key consideration during vendor selection.

Where possible, piping systems should maximize the use of prefabricated spoolpieces to minimize

the amount of site work. Overall spool dimensions should be sized taking into account the following

considerations:
— limitations of site transport and handling equipment;
— installation and erection limitations;

— limitations caused by the necessity to allow a fitting tolerance for installation (“cut to fit”

requirements).

The designer shall evaluate system layout requirements in relation to the properties of proprietary

piping systems available from manufacturers, including but not limited to the following:

a) axial thermal expansion requirements;
b) ultraviolet radiation and weathering resistance requirements;
c) component dimensions;
d) jointing system requirements;
e) support requirements;
f) provision for isolation for maintenance purposes;
g) connections between modules and decks;
h) flexing during lifting of modules;
© ISO 2017 – All rights reserved 3
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SIST EN ISO 14692-3:2017
ISO 14692-3:2017(E)
i) ease of possible future repair and tie-ins;
j) vulnerability to risk of damage during installation and service;
k) fire performance;
l) control of electrostatic charge.

The hydrotest provides the most reliable means of assessing system integrity. Whenever possible, the

system should be designed to enable pressure testing to be performed on limited parts of the system

as soon as installation of those parts is complete. This is to avoid a final pressure test late in the

construction work of a large GRP piping system, when problems discovered at a late stage would have a

negative effect on the overall project schedule.
4.2 Space requirements

The designer shall take account of the larger space envelope of some GRP components compared to

steel. Some GRP fittings have longer lay lengths and are proportionally more bulky than the equivalent

metal component and may be difficult to accommodate within confined spaces. If appropriate, the

problem can be reduced by fabricating the pipework or piping as an integral spoolpiece in the factory

rather than assembling it from the individual pipe fittings.

If space is limited, consideration should be given to designing the system to optimize the attributes of

both GRP and metal components.
4.3 System supports
4.3.1 General

GRP piping systems can be supported using the same principles as those for metallic piping systems.

However, due to the proprietary nature of piping systems, standard-size supports will not necessarily

match the pipe outside diameters.

The following requirements and recommendations apply to the use of system supports.

a) Supports shall be spaced to avoid sag (excessive displacement over time) and/or excessive vibration

for the design life of the piping system.

b) In all cases, support design shall be in accordance with the manufacturer’s guidelines.

c) Where there are long runs, it is possible to use the low modulus of the material to accommodate

axial expansion and eliminate the need for expansion joints, provided the system is well anchored

and guided. In this case, the designer shall recognize that the axial expansion due to internal

pressure is now restrained and the corresponding thrust loads are partly transferred to the

anchors.

d) Valves or other heavy attached equipment shall be adequately and, if necessary, independently

supported. When evaluating valve weight, valve actuation torque shall also be considered.

NOTE Some valves are equipped with heavy control mechanisms located far from the pipe centreline

and can cause large bending and torsional loads.

e) GRP piping shall not be used to support other piping, unless agreed with the principal.

f) GRP piping shall be adequately supported to ensure that the attachment of hoses at locations such

as utility or loading stations does not result in the pipework being pulled in a manner that can

overstress the material.

Pipe supports can be categorized into those that permit movement and those that anchor the pipe.

4 © ISO 2017 – All rights reserved
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SIST EN ISO 14692-3:2017
ISO 14692-3:2017(E)
4.3.2 Pipe-support contact surface
The following requirements and recommendations apply to GRP piping support.

a) In all cases supports shall have sufficient length to support the piping without causing damage and

shall be lined with an elastomer or other suitable soft material.
b) Point loads shall be avoided. This can be accomplished b
...

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