EN ISO 11295:2022

Plastics piping systems used for the rehabilitation of pipelines - Classification and overview of strategic, tactical and operational activities (ISO 11295:2022)

This document specifies the steps of the overall process of pipeline rehabilitation, comprising:
—    information on strategic and tactical activities:
a) investigation and condition assessment of the existing pipeline;
b) pipeline rehabilitation planning.
—    information on and requirements for operational activities:
c) project specification;
d) applications of techniques;
e) documentation of the design and application process.
Definitions and classification of families of renovation and trenchless replacement techniques are provided, and their respective features described. Areas of application covered include underground drainage and sewerage networks and underground water and gas supply networks.
The following aspects are not covered by the scope of this document:
—    new construction provided as network extensions;
—    calculation methods to determine, for each viable technique, the characteristics of lining or replacement pipe material needed to secure the desired performance of the rehabilitated pipeline;
—    techniques providing non-structural pressure pipe liners;
—    techniques for local repair.
It is the responsibility of the designer to choose and design the renovation or trenchless replacement pipeline system.

Kunststoff-Rohrleitungssysteme, die für die Sanierung verwendet werden - Klassifizierung und Überblick über strategische, taktische und operative Aktivitäten (ISO 11295:2022)

Dieses Dokument legt die Schritte des Gesamtprozesses der Rohrleitungssanierung fest, bestehend aus:
—   Informationen zu strategischen und taktischen Aktivitäten:
a)   Untersuchung und Zustandsbeurteilung der vorhandenen Rohrleitung;
b)   Sanierungsplanung der Rohrleitung.
—   Informationen zu und Anforderungen an operative Aktivitäten:
c)   Maßnahmenplanung;
d)   Einzusetzende Verfahren und Methoden;
e)   Dokumentation des Planungs- und Anwendungsprozesses.
Definitionen und die Klassifizierung von Technikfamilien für die Sanierung und grabenlose Erneuerung sind enthalten, einschließlich einer Beschreibung ihrer jeweiligen Merkmale. Die behandelten Anwendungs¬bereiche beinhalten erdverlegte Entwässerungs- und Abwassernetze und erdverlegte Wasser- und Gas¬versorgungsnetze.
Die folgenden Aspekte sind durch den Anwendungsbereich dieses Dokuments nicht abgedeckt:
—   Rohrleitungsneubauten zur Netzerweiterung;
—   Berechnungsverfahren zur Bestimmung der Eigenschaften von Lining- oder Ersatzrohrwerkstoff für jedes praktikable Verfahren, die notwendig sind, um die gewünschte Leistungsfähigkeit der erneuerten Rohr¬leitung sicherzustellen;
—   Verfahren der Bereitstellung von nicht statisch belastbaren Druckleitungs-Linern;
—   Verfahren zur punktuellen Reparatur.
Es liegt in der Verantwortung des Planers, ein Rohrleitungssystem zur Renovierung oder grabenlosen Erneuerung auszuwählen und zu planen.

Systèmes de canalisation en plastique destinés à la réhabilitation des réseaux enterrés - Classification et vue d’ensemble des activités stratégiques, tactiques et opérationnelles (ISO 11295:2022)

Le présent document spécifie les étapes du processus global de réhabilitation des canalisations, comprenant:
—    des informations sur les activités stratégiques et tactiques:
a) inspection et évaluation de l'état de la canalisation existante;
b) planification de la réhabilitation de la canalisation.
—    informations sur les activités opérationnelles et leurs exigences:
c) spécification du projet;
d) application des techniques;
e) documentation du processus de conception et d'application.
Les définitions et la classification des familles de techniques de rénovation et de remplacement sans tranchée sont fournies, et leurs caractéristiques respectives décrites. Les domaines d'application couverts comprennent les réseaux les branchements et les collecteurs d'assainissement enterrés et les réseaux enterrés d'approvisionnement en eau et en gaz.
Les aspects suivants ne sont pas couverts par le domaine d'application du présent document:
—    nouvelle construction prévue comme extension du réseau;
—    méthodes de calcul permettant de déterminer, pour chaque technique viable, les caractéristiques du matériau du tubage ou de remplacement des canalisations nécessaires pour garantir la performance souhaitée de la canalisation réhabilitée;
—    techniques permettant de fournir des revêtements non structuraux pour les tubes sous pression;
—    techniques de réparation locale.
Il est de la responsabilité du concepteur de choisir et de concevoir le système de canalisation de rénovation ou de remplacement sans tranchée.

Cevni sistemi iz polimernih materialov za obnovo cevovodov - Razvrstitev in pregled strateških, taktičnih in operativnih dejavnosti (ISO 11295:2022)

Ta dokument določa korake celotnega postopka obnove cevovodov in zajema:
– informacije o strateških in taktičnih dejavnostih:
a) pregled in ocena stanja obstoječega cevovoda;
b) načrtovanje obnove cevovoda;
– informacije o operativnih dejavnostih in povezane zahteve:
c) specifikacija projekta;
d) uporaba tehnik;
e) dokumentacija postopka načrtovanja in uporabe.
Podane so definicije in klasifikacija družin tehnik za obnovo in zamenjavo brez izkopa
ter opisane so njihove ustrezne značilnosti. Področja uporabe zajemajo podzemna
omrežja za odvodnjavanje in kanalizacijo ter podzemna omrežja za oskrbo z vodo in s plinom.
Naslednji vidiki ne spadajo na področje uporabe tega dokumenta:
– nova gradnja v okviru razširitev omrežja;
– računske metode za določanje (za vsako izvedljivo tehniko) značilnosti oblog ali
nadomestnega materiala za cevi, ki je potreben za zagotovitev želene učinkovitosti obnovljenega cevovoda;
– tehnike, ki zagotavljajo nekonstrukcijske obloge cevi pod tlakom;
– tehnike za lokalna popravila.
Načrtovalec je odgovoren za izbiro in načrtovanje sistema za obnovo ali zamenjavo cevovodov
brez izkopa.

General Information

• Status: Published
• Publication Date: 08-Feb-2022
• Withdrawal Date: 30-Aug-2022
• ICS: 23.040.01 - Pipeline components and pipelines in general
• Technical Committee: CEN/TC 155 - Plastics piping systems and ducting systems
• Drafting Committee: CEN/TC 155/WG 17 - Plastic components for the use of renovation of piping systems
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 09-Feb-2022
• Completion Date: 09-Feb-2022
• Ref Project: SIST EN ISO 11295:2022 - Plastics piping systems used for the rehabilitation of pipelines - Classification and overview of strategic, tactical and operational activities (ISO 11295:2022)

Relations

• Replaces: EN ISO 11295:2017 - Classification and information on design and applications of plastics piping systems used for renovation and replacement (ISO 11295:2017)
• Effective Date: 16-Feb-2022

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2022
Nadomešča:
SIST EN ISO 11295:2018
Cevni sistemi iz polimernih materialov za obnovo cevovodov - Razvrstitev in
pregled strateških, taktičnih in operativnih dejavnosti (ISO 11295:2022)
Plastics piping systems used for the rehabilitation of pipelines - Classification and
overview of strategic, tactical and operational activities (ISO 11295:2022)
Kunststoff-Rohrleitungssysteme, die für die Sanierung verwendet werden -
Klassifizierung und Überblick über strategische und operative Aktivitäten (ISO
11295:2022)
Systèmes de canalisation en plastique destinés à la réhabilitation des réseaux enterrés -
Classification et vue d’ensemble des activités stratégiques, tactiques et opérationnelles
(ISO 11295:2022)
Ta slovenski standard je istoveten z: EN ISO 11295:2022
ICS:
23.040.01 Deli cevovodov in cevovodi Pipeline components and
na splošno pipelines in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 11295
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2022
EUROPÄISCHE NORM
ICS 23.040.01 Supersedes EN ISO 11295:2017
English Version
Plastics piping systems used for the rehabilitation of
pipelines - Classification and overview of strategic, tactical
and operational activities (ISO 11295:2022)
Systèmes de canalisation en plastique destinés à la Kunststoff-Rohrleitungssysteme, die für die Sanierung
réhabilitation des réseaux enterrés - Classification et verwendet werden - Klassifizierung und Überblick
vue d'ensemble des activités stratégiques, tactiques et über strategische und operative Aktivitäten (ISO
opérationnelles (ISO 11295:2022) 11295:2022)
This European Standard was approved by CEN on 26 December 2021.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, 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: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 11295:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 11295:2022) has been prepared by Technical Committee ISO/TC 138 "Plastics
pipes, fittings and valves for the transport of fluids" in collaboration with Technical Committee CEN/TC
155 “Plastics piping systems and ducting systems” 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 August 2022, and conflicting national standards shall
be withdrawn at the latest by August 2022.
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 11295:2017.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 11295:2022 has been approved by CEN as EN ISO 11295:2022 without any modification.

INTERNATIONAL ISO
STANDARD 11295
Third edition
2022-01
Plastics piping systems used for
the rehabilitation of pipelines —
Classification and overview of
strategic, tactical and operational
activities
Systèmes de canalisation en plastique destinés à la réhabilitation
des réseaux enterrés — Classification et vue d’ensemble des activités
stratégiques, tactiques et opérationnelles
Reference number
ISO 11295:2022(E)
ISO 11295:2022(E)
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
ISO 11295:2022(E)
Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 General terms . 2
3.2 Terms related to techniques . 3
3.3 Terms related to services conditions . 5
4 Abbreviated terms . 5
5 Pipeline rehabilitation process .6
6 Investigation and condition assessment of the existing pipeline .6
6.1 Performance criteria . 6
6.1.1 General . 6
6.1.2 Hydraulic requirements . 8
6.1.3 Structural requirements . 8
6.1.4 Environmental requirement . 8
6.1.5 Operational requirements . 8
6.2 Investigation of performance . 9
6.2.1 General . 9
6.2.2 Hydraulic investigation . 10
6.2.3 Structural investigation . . 10
6.2.4 Environmental investigation . . 11
6.2.5 Operational investigation . 11
6.3 Condition assessment . 11
6.4 Risk analysis .12
6.5 Control measures . 12
7 Classification and characteristics of rehabilitation techniques .13
7.1 Overview . 13
7.2 Classification of renovation techniques . 14
7.2.1 General . 14
7.2.2 Lining with continuous pipes . 14
7.2.3 Lining with close-fit pipes . 16
7.2.4 Lining with cured-in-place pipes . 19
7.2.5 Lining with discrete pipes . 23
7.2.6 Lining with adhesive-backed hoses. 26
7.2.7 Lining with spirally-wound pipes .28
7.2.8 Lining with pipe segments . 31
7.2.9 Lining with a rigidly anchored plastics inner layer . 32
7.2.10 Lining with sprayed polymeric materials . .34
7.2.11 Lining with inserted hoses .36
7.3 Classification of trenchless replacement techniques . 37
7.3.1 General . 37
7.3.2 Pipe bursting.38
7.3.3 Pipe removal .40
7.3.4 Horiz
...