Every new or modified service must be thoroughly flushed with wholesome water to remove debris and organic matter that could foster biofilms.
This article explains everything you need to know about BS 8558, why it is critical for your projects, and—most importantly—how to obtain a legitimate without risking legal penalties or using obsolete documents.
Outlines regular inspection and sampling regimes, including Total Viable Counts (TVC) and specific tests for Legionella and Pseudomonas aeruginosa . BS 8558:2015 vs. Previous Versions
Adhering to BS 8558 is considered best practice, and in many cases, it is required for demonstrating compliance with the Health and Safety at Work etc. Act 1974. Following this standard helps organizations: Minimize the risk of system contamination. Extend the lifespan of plumbing infrastructure. bs 8558 pdf
BS 8558 is a British Standard that serves as the definitive (the land immediately surrounding a building). It was first published as BS 8558 in December 2011, with a second and currently active edition released in September 2015. The standard was introduced to provide crucial UK guidance that wasn't fully covered by its European counterparts, offering practical, real-world advice for water supply systems.
Backflow prevention is crucial to ensure the safety of potable water supplies. Contaminated water can enter the potable water system through various means, such as:
Using unverified documents can invalidate professional indemnity insurance. In the event of a system failure or a public health incident (such as a Legionella outbreak), failing to demonstrate adherence to the official, current standard can result in severe prosecution. Where to Safely Purchase the Official BS 8558 PDF Every new or modified service must be thoroughly
BS 8558 is a that outlines recognized good practice for domestic water services in buildings. The standard is applicable to water supply systems within a building's curtilage—the land immediately surrounding it, including areas like gardens, yards, and associated outbuildings. It is not a standalone code but a complementary document that works alongside the BS EN 806 series, a European standard known as the "CEN" standard. The BS EN 806 series sets the technical specifications for installations inside buildings, while BS 8558 provides additional UK-specific recommendations and fills critical gaps.
The standard provides calculations to determine the correct volume of cold water storage based on occupancy types (e.g., residential, commercial, healthcare) to ensure water turns over within a 24-hour period. 2. Material Selection
When you open your official , pay close attention to these clauses: BS 8558:2015 vs
Before a water system is brought into service, it must be thoroughly tested.
When a water inspector visits a site, they use the Regulations as the law, but BS 8558 as the technical justification. If you follow BS 8558 precisely, you are almost guaranteed to pass a WRAS inspection.
Calculating loading units for various sanitary appliances to determine peak water demand.
BS 8558:2015 – Guide to the design, installation, testing, and maintenance of services supplying water for domestic use within buildings and their curtilages (formerly incorporating much of the now-withdrawn BS 6700).