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BS EN 13941-2:2019+A1:2021:2022 Edition

BS EN 13941-2:2019+A1:2021:2022 Edition

$215.11

District heating pipes. Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks – Installation

Published By Publication Date Number of Pages
BSI 2022 100
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PDF Catalog

PDF Pages PDF Title
2 undefined
15 6.3.1 General
20 10.2.1 Loading and unloading
21 10.2.2 Checking of the delivery
10.3.1 General
10.3.2 Storage of pipe assemblies
22 10.3.3 Storage of fitting and valve assemblies
10.3.4 Storage of joint casing systems and other materials
23 11.3.1 Welding of the steel service pipe and testing of the welds
11.3.1.1 General
24 11.3.1.2 Quality system for the different project classes
26 11.3.1.3 Welding procedures and the welding process
11.3.1.4 Welding consumables
11.3.1.5 Place and position of the weld
27 11.3.1.6 Performance of welding work
29 11.3.1.7 Special procedures
32 11.3.1.8 Documentation
36 11.5.1 General
11.5.2 Visual test with !overpressure” by air
37 11.5.3 Visual test below atmospheric pressure by air
11.5.4 Hydrostatic test
11.5.4.1 General
11.5.4.2 Safety
38 11.5.4.3 Procedures
11.5.4.4 Water as test medium
39 11.5.4.5 Acceptance criteria
11.5.4.6 Leak finding
40 11.5.4.7 Testing equipment
11.5.4.8 Test documentation and records
41 11.5.4.9 Disposal of test water
11.5.4.10 Protection following test
11.6.1 General
11.6.2 Joints
11.6.3 Site prepared components
47 11.11.1 Wall penetrations
11.11.1.1 General
11.11.1.2 Sealing on the building side of the pipe entry
11.11.1.3 Sealing of the casing of the pipe assembly against the pipe entry
48 11.11.2 Connections to other pipe systems
11.11.3 Pipe laying in protection tubes
11.11.4 Protection against external impact for above ground installations
51 15.1.1 Range of application
15.1.2 Documentation — aims and uses
52 15.1.3 Technical documentation
15.1.3.1 General
15.1.3.2 Project documentation
53 15.1.3.3 Test and proof documentation
15.1.3.4 Checklists for technical documentation
56 15.1.4 Drawings of the technical documentation
15.1.4.1 General
58 15.1.4.2 Design plan
59 15.1.4.3 Detailed drawing
15.1.4.4 Pipeline sequence drawing and wiring diagram
60 15.1.5 As-built documentation
61 Annex A (informative)Venting and Draining
A.1 General
A.2 Venting and draining devices
63 A.3 Draining devices for large pipeline dimensions
64 A.4 Venting of new pipe sections
A.4.1 Venting by house connection pipeline
65 A.4.2 Venting by venting cabinets
67 Annex B (informative)Recommendations for HDD
B.1 General
B.2 Depth under roads
68 B.3 Minimum intermediate distances
B.4 Casing and casing field joints
B.5 Drilling fluid composition
B.6 Drilling fluid pressures
69 B.7 Borehole dimensions and borehole stability
B.8 Ballasting
70 B.9 Installation of pipe bundles
B.10 Determination of position and route corrections
71 B.11 Registration and control of HDD
B.12 Drilling Tolerances
72 B.13 Verification of design and methodology for the pullback operation
B.14 As-Built information
73 Annex C (informative)Qualification of fitters installing joints in pre-insulated bonded pipe networks
C.1 Knowledge and skills
C.2 Background for training and testing
C.3 Subjects for training and testing
C.3.1 General
74 C.3.2 Casing of polyethylene (PE)
C.3.2.1 Important construction characteristics and properties
C.3.2.2 Technological behaviour of PE
C.3.2.3 Mechanical properties of PE
75 C.3.2.4 Conditions for casing elements under load
C.3.3 Surveillance
C.3.4 PUR-foam system
C.3.4.1 PUR-foam as a two component material
C.3.4.2 Insulation procedures on job site
76 C.3.5 Joint types/jointing systems
C.3.5.1 General
C.3.5.2 Shrink sleeve joint with mastic/adhesive sealing
C.3.5.3 Welded joints/systems
77 C.3.6 Installation of joints
C.3.6.1 General
C.3.6.2 Installation of surveillance system
78 C.3.6.3 Sealed joints
79 C.3.6.4 Welded joints
C.3.6.5 Insulation of joints
80 C.3.6.6 Documentation
81 Annex D (informative)Quality control program and documentation
94 Annex E (normative)Commissioning
E.1 Commissioning
E.1.1 General
95 E.1.2 Filling with water for initial operation
E.1.3 Surveillance system
96 Annex F (informative)Operation

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BS EN 13941-2:2019+A1:2021
$215.11