It is the key reference document to meet the Water Supply (Water Fittings) Regulations 1999 (England & Wales) and similar regulations in Scotland and Northern Ireland.
Check out our other guides on BS EN 806 requirements and Legionella risk assessments. bs 8558 pdf
Understanding BS 8558:2015 – A Complete Guide to Water Systems Design, Installation, and Maintenance It is the key reference document to meet
The BS 8558 PDF contains 100 pages of detailed technical guidance, structured to provide clear and practical advice for professionals. Below is a summary of its table of contents, outlining the key sections and their primary functions. Below is a summary of its table of
For example: BS EN 806 mentions backflow prevention generally. BS 8558 gives you the exact fluid categories (1 to 5) and shows you which mechanical device (e.g., a verified RPZ valve) is required for a Category 5 risk like a hospital dialysis unit.
To ensure your upcoming project meets all local UK water bylaws, consider reviewing your current system layouts against the newest standard updates.