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BS 1139-6:2022

BS 1139-6:2022

$167.15

Metal scaffolding – Prefabricated tower scaffolds outside the scope of BS EN 1004-1, but utilizing components from such systems. Specification

Published By Publication Date Number of Pages
BSI 2022 42
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PDF Catalog

PDF Pages PDF Title
5 Foreword
7 1 Scope
2 Normative references
8 3 Terms and definitions and symbols
9 Figure 1 ā€” Bay
Figure 2 ā€” Cantilever platform
11 Figure 3 ā€” Base plate
Figure 4 ā€” Bridge beam
Figure 5 ā€” Bridge deck
12 Figure 6 ā€” End frame
Figure 7 ā€” Walk through end frame
Figure 8 ā€” Step through end frame
13 Figure 9 ā€” Portal end frame
Figure 10 ā€” High clearance frame
Figure 11 ā€” Cantilever tower scaffold
14 Figure 12 ā€” Large deck tower scaffold
Figure 13 ā€” Linked tower scaffold
15 Figure 14 ā€” Stepped tower scaffold
16 4 Classification
4.1 Load classes
Table 1 ā€” Load classes
4.2 Access classes
4.3 Height classes
4.4 Configuration classes
4.5 Wind classes
17 Table 2 ā€” Wind classes
5 Materials
6 General requirements
6.1 General and standard configurations
Table 3 ā€” Standard configurations ā€“ Limits
18 6.2 Dimensions
Figure 15 ā€” High clearance frame
19 Figure 16 ā€” Walk through frames
Figure 17 ā€” Step through frames
20 Figure 18 ā€” Portal end frames
6.3 Openings within platforms
6.4 Side protection
6.5 Castor wheels and base plates
6.6 Access to platforms
6.7 Means for stabilizing
21 6.8 Connections
6.9 Working and access platform units
6.10 Assembly and dismantling
6.11 Requirements for prefabricated tower scaffolds less than 2 m working platform height
6.12 Requirements for prefabricated tower scaffolds used for access to another place
6.13 Vertical distances between platforms
22 Figure 19 ā€” Maximum distance between platforms
7 Requirements for structural design
7.1 General
23 Table 4 ā€” Service loads on the whole structure
Table 5 ā€” Service loads on parts of the structure
24 7.2 Characteristic actions on the complete structure including its parts
25 7.3 Characteristic actions on parts of the structure
26 7.4 Deflections
8 Structural design
8.1 Basic design principle
27 8.2 Structural analysis
8.3 Verification
8.4 Positional stability
29 9 Deflection
10 Design validation
10.1 Method
10.2 Verification report
10.3 Design certificate
30 11 Information to be supplied with the prefabricated tower scaffold
11.1 General
31 11.2 Identification of components in the structure
11.3 Assembly, permissible alterations and dismantling
33 11.4 Stability
11.5 Application and moving
36 11.6 Inspection, care and maintenance
12 Marking
37 13 Assessment
38 Annex A (informative)ā€‚ Contents of an assembly, use and dismantling plan
40 Bibliography

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BS 1139-6:2022
$167.15