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BS 8499:2017

BS 8499:2017

$198.66

Specification for domestic gas meter boxes and meter bracket

Published By Publication Date Number of Pages
BSI 2017 60
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This British Standard specifies requirements for gas meter boxes for use with single gas meter installations conforming to BS 6400, which:

  1. are supplied with gases of the 2nd and 3rd family, with a maximum capacity of 6 m3/h and a maximum operating pressure not exceeding 2 bar; and

  2. incorporate any of the following meters: diaphragm, ultrasonic, credit or prepayment.

It does not apply to multiple meter installations which are installed in the same housing.

NOTE 1 The composition of fuel gases of the 2nd and 3rd family is specified in BS EN 437.

NOTE 2 All pressures quoted in this standard are gauge pressures.

It covers the following designs of meter box, including any associated box extensions:

  1. built-in;

  2. surface mounted;

  3. semi-concealed;

  4. universal.

It does not cover security shrouds intended to provide additional protection to meter installations.

This British Standard also specifies requirements for the design of the standard meter bracket.

PDF Catalog

PDF Pages PDF Title
5 Foreword
7 Introduction
1 Scope
2 Normative references
9 3 Terms and definitions
11 4 Dimensions and features
13 Figure 1 — Typical meter box adaptor with ECV and cap
14 Figure 2 — Built-in box dimensions and features
16 Figure 3 — Surface mounted box dimensions and features
18 Figure 4 — Recommended dimensions and features for new semi-concealed box designs
20 Figure 5 — Universal box dimensions and features
21 5 Meter bracket (supplied separately)
6 Spigot
Figure 6 — Spigot dimensions
7 Materials
22 8 Finish
9 Marking
23 10 Notices and labels
24 Figure 7 — Typical emergency notice
25 Figure 8 — Typical combined emergency notice
Figure 9 — Spigot knockout warning label (built-in boxes)
26 Figure 10 — Medium pressure service warning label
27 Figure 11 — Typical manufacturer’s label
28 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
30 Annex A (normative)  Meter box key
Figure A.1 — Meter box key
31 Annex B (normative)  Meter bracket
33 Figure B.1 — Meter bracket dimensions
35 Figure B.2 — Meter bracket shear bolt dimensions
36 Figure B.3 — Meter bracket security washer dimensions
37 Figure B.4 — Location points for measurement of thickness of zinc coatings on meter brackets
38 Annex C (normative)  Polyester moulding compound production testing
Table C.1 — Flexural properties of test plaques
39 Table C.2 — Charpy impact strength of test plaques
Annex D (normative)  Selection of meter box samples and test plaques for testing
40 Figure D.1 — Basic cutting plan
41 Annex E (informative)  General instructions labels
42 Figure E.1 — Built-in box general instructions (typical)
43 Figure E.2 — Surface mounted box general instructions (typical)
44 Figure E.3 — Semi-concealed box general instructions (typical)
45 Figure E.4 — Universal box general instructions (typical)
46 Annex F (normative)  Methods of test for hinge strength
Figure F.1 — Built-in and surface mounted hinge strength test
47 Figure F.2 — Typical apparatus for semi-concealed and universal box hinge strength test
48 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
49 Figure H.1 — Locations of built-in box body cutting plan
52 Figure H.2 — Location of built-in box door cutting plan
53 Figure H.3 — Location of surface mounted box cover cutting plan
54 Figure H.4 — Location of surface mounted box back panel cutting plan
55 Figure H.5 — Location of surface mounted box door cutting plan
56 Figure H.6 — Location of semi-concealed box body cutting plan
57 Figure H.7 — Location of semi-concealed box lid cutting plan
58 Figure H.8 — Location of semi-concealed box extension cutting plan
59 Bibliography

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BS 8499:2017
$198.66