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BS 4592-4:1992:2003 Edition

BS 4592-4:1992:2003 Edition

$102.76

Industrial type flooring, walkways and stair treads – Specification for glass reinforced plastics open bar gratings

Published By Publication Date Number of Pages
BSI 2003 16
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Materials, sizes, performance, criteria, marking. Appendices give methods of test, information to be given in an enquiry or order and recommendations for installation.

PDF Catalog

PDF Pages PDF Title
1 BRITISH STANDARD
2 Committees responsible for this British�Standard
3 Contents
5 1 Scope
2 References
3 Definitions
3.1 types of bar
3.1.1 loadbearing bar
3.1.2 transverse bar
3.1.3 binding bar
3.2 nosing
3.3 tread support
3.4 support
6 3.5 curb angle
3.6 cut-out
3.7 straight shaping
3.8 curved shaping
3.9 toe plate
3.10 sizes of grating
3.10.1 length (span)
3.10.2 width
3.10.3 pitch
3.10.4 starting edge
3.10.5 depth
3.11 effective span
7 Figure 1 Grating terms
8 4 Information to be supplied
5 Materials
5.1 The material used shall be a composite of thermosetting resin mix reinforced with continuous …
5.2 Surfaces of the composite shall have a glass fibre or thermoplastic veil, except surfaces tha…
5.3 All cut ends shall be sealed with polyurethane resin after cutting.
6 Sizes
6.1 Solid members shall have a minimum thickness of�3�mm�±�0.1�mm. Tube shall have a minimum wall…
6.2 The cross-sectional area of transverse bars shall be not less than�70�mm
6.3 The clear distance between loadbearing bars shall not exceed�40�mm.
6.4 The pitch of transverse bars shall not exceed�165�mm.
7 Permissible deviations
8 Construction
8.1 Loadbearing bars shall be provided with lateral restraint by means of transverse bars fixed a…
8.2 Binding bars shall be attached only:
8.3 Toe plates shall be formed from angle sections or flat sections (see
8.4 Longitudinal ties between supports shall be below the underside of loadbearing bars.
9 8.5 Where a cut-out is required in a grating it shall be shaped to reduce the necessity for bindi…
9 Performance
9.1 General
Table 1 Loads
9.2 Flooring and walkways
10 Table 2 Load safety factors and combinations
9.3 Treads
Figure 3 Imposed loads on treads
10 Marking and information
10.1 The following particulars shall be given on the delivery note, invoice or supplier’s certifi…
10.2 Gratings shall be marked with a reference number to assist assembly on site.
11 Annex A (normative) Method of test for strength and deflection
(normative) Method of test for strength and deflection
A.1 Test procedure
A.2 Method of support
A.3 Uniformly distributed load (flooring or walkway)
A.3.1 Load application
A.3.2 Deflection monitoring
A.4 Concentrated load (flooring or walkway)
A.4.1 Load application
A.4.2 Deflection monitoring
A.5 Concentrated load (treads)
A.5.1 Load application
A.5.2 Deflection monitoring
12 Annex B (normative) Information to be supplied at the time of enquiry or order
(normative) Information to be supplied at the time of enquiry or order
Annex C (informative) Recommendations for installation of gratings
(informative) Recommendations for installation of gratings
C.1 General
C.2 Fixing clips
13 C.3 Toe plates
C.4 Supports for stair treads
C.5 Erection clearances
Figure C.1 Fixing dimensions for bolted end plates

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BS 4592-4:1992
$102.76