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BS 8499:2017 – TC:2020 Edition

$258.95

Tracked Changes. Specification for domestic gas meter boxes and meter bracket

Published By Publication Date Number of Pages
BSI 2020 117
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PDF Catalog

PDF Pages PDF Title
62 Foreword
64 Introduction
1 Scope
2 Normative references
66 3 Terms and definitions
68 4 Dimensions and features
70 Figure 1 — Typical meter box adaptor with ECV and cap
71 Figure 2 — Built-in box dimensions and features
73 Figure 3 — Surface mounted box dimensions and features
75 Figure 4 — Recommended dimensions and features for new semi-concealed box designs
77 Figure 5 — Universal box dimensions and features
78 5 Meter bracket (supplied separately)
6 Spigot
Figure 6 — Spigot dimensions
7 Materials
79 8 Finish
9 Marking
80 10 Notices and labels
81 Figure 7 — Typical emergency notice
82 Figure 8 — Typical combined emergency notice
Figure 9 — Spigot knockout warning label (built-in boxes)
83 Figure 10 — Medium pressure service warning label
84 Figure 11 — Typical manufacturer’s label
85 11 Type testing and performance requirements
Table 1 — Flexural properties of box samples
Table 2 — Charpy impact strength of box samples
Table 3 — Hinge strength
87 Annex A (normative)  Meter box key
Figure A.1 — Meter box key
88 Annex B (normative)  Meter bracket
90 Figure B.1 — Meter bracket dimensions
92 Figure B.2 — Meter bracket shear bolt dimensions
93 Figure B.3 — Meter bracket security washer dimensions
94 Figure B.4 — Location points for measurement of thickness of zinc coatings on meter brackets
95 Annex C (normative)  Polyester moulding compound production testing
Table C.1 — Flexural properties of test plaques
96 Table C.2 — Charpy impact strength of test plaques
Annex D (normative)  Selection of meter box samples and test plaques for testing
97 Figure D.1 — Basic cutting plan
98 Annex E (informative)  General instructions labels
99 Figure E.1 — Built-in box general instructions (typical)
100 Figure E.2 — Surface mounted box general instructions (typical)
101 Figure E.3 — Semi-concealed box general instructions (typical)
102 Figure E.4 — Universal box general instructions (typical)
103 Annex F (normative)  Methods of test for hinge strength
Figure F.1 — Built-in and surface mounted hinge strength test
104 Figure F.2 — Typical apparatus for semi-concealed and universal box hinge strength test
105 Annex G (normative)  Method of test for door flatness (built-in and surface mounted boxes)
Annex H (normative)  Cutting plans for meter box test samples
106 Figure H.1 — Locations of built-in box body cutting plan
109 Figure H.2 — Location of built-in box door cutting plan
110 Figure H.3 — Location of surface mounted box cover cutting plan
111 Figure H.4 — Location of surface mounted box back panel cutting plan
112 Figure H.5 — Location of surface mounted box door cutting plan
113 Figure H.6 — Location of semi-concealed box body cutting plan
114 Figure H.7 — Location of semi-concealed box lid cutting plan
115 Figure H.8 — Location of semi-concealed box extension cutting plan
116 Bibliography
BS 8499:2017 - TC
$258.95