BS 8499:2017 – TC:2020 Edition
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Tracked Changes. Specification for domestic gas meter boxes and meter bracket
Published By | Publication Date | Number of Pages |
BSI | 2020 | 117 |
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 |