BSRIA publishes new edition of BG29: Pre-Commission Cleaning of Pipework Systems

BG 29/2020 is the sixth edition of the guide, replacing BG 29/2012.

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BSRIA UK, MEP and HVAC

BSRIA has announced the publication of a new edition of its influential guide on pre-commission cleaning of pipework systems.

BG 29/2020 is the sixth edition of the guide, replacing BG 29/2012.

Pre-commission cleaning is the process of bringing a closed heating or cooling system to a satisfactory state for commissioning and ongoing maintenance of water quality. System contaminants such as mill scale, jointing compound and building debris will inevitably be found in newly fabricated heating and cooling pipework systems.

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If allowed to remain in the system in sufficient quality, these contaminants will make the system prone to blockages at strainers, control valves and small-bore heat exchangers. They may also initiate further corrosion and encourage the growth of microorganisms.

Originally published in 1991, BG29 is essential reading for any company operating in the water management area. Providing clear and concise guidance, the publication has become a de facto standard within the industry.

The 6th Edition, developed in partnership with the Closed Systems Control Association (CSCA) and an industry steering group, includes several new topics:
• cleaning precautions for thin-walled carbon steel pipes,
• closed-loop pre-treatment cleaning (CPC) procedures,
• pre-treatment options described in German directive VDI 2035[1],
• corrosion monitoring solutions,
• heat networks and low carbon systems.

The guide is available to download from the BSRIA website (www.bsria.com/uk/), with free downloads for BSRIA and CSCA members.

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