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BS EN ISO 11295:2022

BS EN ISO 11295:2022

$215.11

Plastics piping systems used for the rehabilitation of pipelines. Classification and overview of strategic, tactical and operational activities

Published By Publication Date Number of Pages
BSI 2022 80
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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.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 3.1 General terms
11 3.2 Terms related to techniques
13 3.3 Terms related to services conditions
4 Abbreviated terms
14 5 Pipeline rehabilitation process
6 Investigation and condition assessment of the existing pipeline
6.1 Performance criteria
6.1.1 General
15 6.1.2 Hydraulic requirements
16 6.1.3 Structural requirements
6.1.4 Environmental requirement
6.1.5 Operational requirements
17 6.2 Investigation of performance
6.2.1 General
18 6.2.2 Hydraulic investigation
6.2.3 Structural investigation
19 6.2.4 Environmental investigation
6.2.5 Operational investigation
6.3 Condition assessment
20 6.4 Risk analysis
6.5 Control measures
21 7 Classification and characteristics of rehabilitation techniques
7.1 Overview
22 7.2 Classification of renovation techniques
7.2.1 General
7.2.2 Lining with continuous pipes
25 7.2.3 Lining with close-fit pipes
28 7.2.4 Lining with cured-in-place pipes
32 7.2.5 Lining with discrete pipes
35 7.2.6 Lining with adhesive-backed hoses
37 7.2.7 Lining with spirally-wound pipes
40 7.2.8 Lining with pipe segments
41 7.2.9 Lining with a rigidly anchored plastics inner layer
43 7.2.10 Lining with sprayed polymeric materials
45 7.2.11 Lining with inserted hoses
47 7.3 Classification of trenchless replacement techniques
7.3.1 General
7.3.2 Pipe bursting
50 7.3.3 Pipe removal
53 7.3.4 Horizontal directional drilling (HDD)
56 7.3.5 Impact moling
58 7.3.6 Pipe jacking
61 8 Selection of rehabilitation techniques
8.1 General
62 8.2 Pipeline system layout
8.3 Hydraulic performance
63 8.4 Structural performance
8.4.1 General
8.4.2 Non-pressure pipes
65 8.4.3 Pressure pipes
67 8.5 Environmental impact
68 8.6 Construction constraints
69 8.7 Project specification
9 Implementation of rehabilitation techniques
9.1 Preconstruction activities
70 9.2 Assessment of conformity of products
9.3 Inspection, storage and handling of the materials on site
71 9.4 Application of rehabilitation technique
9.4.1 Preparatory work
9.4.2 Construction
9.5 Acceptance control
9.5.1 General
72 9.5.2 Inspection
9.5.3 Leak tightness testing
73 9.5.4 Sampling
9.6 Completion of the work
9.6.1 Finishing off the rehabilitation work
9.6.2 Lateral reinstatement
74 9.7 Documentation of the process
75 Bibliography

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BS EN ISO 11295:2022
$215.11