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Specification for identification of pipelines and services
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#1 Posted : 26 January 2005 13:56:00(UTC)
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Posted By Dave Nicholls Hi All, We have just installed a new ring main of compressed air pipework. I have the information for the colour coding that we have to paint this pipework, but am unsure whether we need to mark the flow direction with arrows? BS1710 refers, but at £48.00 from BSI its bit steep!!!! Any help would be appreciated. I would ask if anyone had a copy of BS1710 that they maybe able to share, but i know that would breach copyright rules.... Thanks Dave
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#2 Posted : 26 January 2005 14:14:00(UTC)
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Posted By Roger the Dodger You can sometimes get British Standards to look at from your local County Refence library - note 'look at', not take away. But you could take notes! Either way I don't see a great problem in painting/marking the pipeline yourself. A decent building services/engineering/plant text book will probably have the information in. You should mark pipelines identities either side of walls/bulkhead/connections etc. Standard compressed air pipes are usually painted light blue. Mains gas is usually a buff/mustard shade of yelloe.
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#3 Posted : 26 January 2005 15:33:00(UTC)
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Posted By Dave Nicholls Cheers Roger, Like I said I already have the standard for the colours, and we are going to paint them ourselves. Yes, air is a light blue, but gas is actually known as Yellow Ochre. What i'm really looking for is whether there is a requirement to mark the direction of airflow within the pipes with arrows? The Safety Signs & Signals Regs mention about directional markings, but do not expand on it. I think that the reasoning for it is so that isolation points can be located more easily in an emergency, especially at monitoring/sampling points of pipes i.e. the tap/valve is upstream to the flow. Thanks again, Dave
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#4 Posted : 26 January 2005 15:38:00(UTC)
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Posted By Roger the Dodger I would guess that the BS standard you mention mentions marking the direction of flow. I don't think you would find it specifically in H&S law or guidance. However, as you are painting the pipes, it would seem sensible to mark the direction of flow while you are at it!
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#5 Posted : 27 January 2005 10:50:00(UTC)
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Posted By Dave Nicholls Just a quick note to say thanks to all for your help - you know who you are!!!
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