The Building Engineering Services Association (BESA) Technical Report is the primary UK industry standard for the safe and effective site pressure testing of pipework systems. This guide provides comprehensive, best-practice procedures for testing mechanical services across a wide range of building engineering applications, ensuring they are leak-free and fit for operation. What is BESA TR/6?
Perhaps the most critical aspect of the standard is the requirement for air leakage testing. The TR6/DW/144 standard sets the allowable leakage rates (in liters per second per square meter of duct surface area) at specific test pressures.
: Detailed protocols for plastic, composite, and press-fit piping systems. besa tr6 pdf
: Specific formulas and tables to determine how long a test must last and at what multiple of the working pressure (e.g., 1.5x) the system should be tested. Accessing the PDF
Following TR/6 ensures compliance with health and safety regulations, including the Pressure Systems Safety Regulations 2000. Perhaps the most critical aspect of the standard
Utilizing industrial-grade, certified pressure gauges with range limits appropriate for the target test threshold.
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The BESA TR6 PDF covers a broad range of topics, including:
The complete, authoritative version of TR/6 is a paid publication. You can find it through the following official and technical sources: Official Purchase : Available directly from the BESA Publications store Technical Libraries : It is often indexed in professional databases like the NBS Publication Index Construction Information Service (CIS) Previews & Summaries
: Steam, fuel oil, gas pipework, sprinkler systems, and compressed air networks.