All pipework containing water should be clearly marked to show where the water comes from and whether it is potable or non-potable, to avoid
contamination of drinking water. This is clearly described in the BS 1710:2014 specification for Identification of Pipelines and Services. Below is an extract from the BSI (British Standard Institution) website giving an overview of the revisions that came into effect in 2014:
BS 1710 specifies the colours and other information that should be used to identify pipes, ducts and electrical conduits.
As the last version of the standard was published in 1984, it is long out of date. There was a particular need to update the coding system for the water supply industry, where alternative water reuse systems are becoming more popular – and where alterations can lead to contaminated drinking water if the content of different pipes is not explicit.
BSI has now fully revised the standard. Among other things, the new version:
- Refines the labelling system to aid identification
- Simplifies identification in building and water systems
- Introduces a new three-size methodology to accommodate the full range of fluid services
- Removes ship systems, which are now covered in BS ISO 14726
BS 1710:2014 will support the legal requirement for those who install and use plumbing systems to prevent cross contamination.
More broadly the new standard will be of interest to building designers, operators, users and service installers, and a wide variety of associated industries and activities including waste, water, liquid fuels, gases, and refrigeration.
There are many products available for marking up pipework and the associated valves for both commercial and domestic properties, such as pipe identification tape, pipe banding, pipe markers and valve tags.
British Standards Institution: www.bsigroup.com
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