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BSI PD CEN/TR 17996:2024

BSI PD CEN/TR 17996:2024

$198.66

Ductile iron pipes, fittings, accessories and their joints for sewerage applications. Guidelines for Pipelines Installation

Published By Publication Date Number of Pages
BSI 2024 60
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This European Standard is a complementary document for the installation of ductile iron pipes, fittings, accessories and their joints, covered by EN 598:2009 harmonized standard. It is intended to describe, in a wider perspective, installation technologies, tools and pipelines particular examples, applicable for the construction, outside buildings, of: – Drainage pipeline systems; – Raw water pipeline systems; – Sewage pipeline systems; – Pipeline systems conveying surface water (e.g. rainwater), domestic waste water and/or certain types of industrial effluents, either in separate systems or in combined systems; – Operating without pressure (gravity sewers) or with positive or negative pressure; – Below or above ground installation types. It also gives some site operation/site instructions for the application of fittings, intended to be used for the connection of ductile iron drains and sewers to other materials as plastic, concrete, vitrified clay, etc. This European Standard is not intended to cover: – Hydraulic design of drains and sewers systems outside buildings. For this purpose, EN 16933-2 applies. – Construction and site testing of drains and sewers. For this purpose, EN 1610 applies. – Trenchless construction and testing of drains and sewers. For this purpose, EN 12889:2000 applies

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
8 3 Terms and definitions
14 4 Assembling methods for pipes and fittings
4.1 General
4.2 Crowbar method
15 4.3 Rope winches/Lever hoists method
17 4.4 Devices with lever/Jointing tackle method
18 4.5 Trench excavator method
5 Laying in trench
5.1 General
19 5.2 Safety rules
20 5.3 Laying in the presence of excavation shoring
5.3.1 Obligations
5.3.2 Deployment
22 5.4 Laying on instable soils (low bearing capacity soils)
23 6 Laying above ground
6.1 Permanent installation
24 6.2 Interim installation
6.2.1 General
6.2.2 Basic requirements
25 6.2.3 Design and planning
26 6.2.4 Special rules on construction works
6.2.5 Disassembly and reuse of pipe material
7 Laying on steep inclines
28 8 Connections for manhole and inspection chambers
8.1 General
29 8.2 Connection through manhole connectors (Figures 26 and 27)
30 8.3 Connection through welded-on puddle flanges (Figure 28)
31 8.4 Connection through a wall sealing collar with clamp (Figure 29)
8.5 Connection through pipe seal gaskets (Figure 30)
8.6 Connection through a Ring-Seal kit or a Compact Seal piece (Figure 31)
32 9 Connections for gravity and sewer pipelines
9.1 Fittings for gravity sewers: Branch junction, access trap and saddle connections
34 9.2 Fittings for pressure and vacuum sewers
35 10 Trenchless technologies
10.1 General
10.2 Horizontal directional drilling (HDD)
10.2.1 General
10.2.2 First step – Pilot bore
10.2.3 Second step – Upsize bore
36 10.2.4 Third step – Pulling in
10.3 Pipe Bursting
37 10.4 Casing method (CM)
10.4.1 General
10.4.2 Casing installation
10.4.3 Service Pipeline installation
38 10.5 Pipe jacking (PJ)
10.6 Press/Pull Technique
39 10.6.1 Press/Pull Requirements
10.6.2 Description of technique
40 10.7 Ploughing-in Technique
10.7.1 General
10.7.2 Description of technique
41 10.8 Microtunnelling
42 11 Procedures and requirements for testing gravity pipelines
11.1 General
11.2 Testing with air (method “L”)
45 11.3 Testing with water (method “W”)
11.3.1 Test pressure
46 11.3.2 Conditioning time
11.3.3 Test requirements
11.3.4 Testing time
11.3.5 Testing individual joints
47 12 Testing of pressure pipelines
12.1 General
12.2 Safety
48 12.3 Backfilling and Anchorage
49 12.4 Filling with water and release of air/gas
51 12.5 Pressure testing procedure
12.5.1 General requirements
53 12.5.2 Preliminary operations
12.5.3 Preliminary test
54 12.5.4 Pressure drop test
12.5.5 Main pressure test
12.5.5.1 General
55 12.5.5.2 Pressure loss test
56 12.5.5.3 Water loss test
57 12.5.6 Test evaluation
12.5.7 Final system test (complete pipeline)
12.5.8 Recording test results

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BSI PD CEN/TR 17996:2024
$198.66