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Guidance is a joint effort, says CORGI

CORGI has said it is not solely responsible for the information contained within Technical Bulletin 200, the controversial guidance surrounding flue systems routed within voids.

The comments were made by Jamie Cooper, CORGI technical support manager, after the Association of Registered Gas Installers described the document as flawed (see H&V News, May 24).

“Although CORGI published the guidance within Technical Bulletin 200, its contents were originated by key players in the industry such as the HSE, the Heating and Hotwater Industry Council and the National House Building Council,” Mr Cooper said.

“CORGI does not write the legislation or standards but, where possible, representatives from CORGI will participate in drafting committees to ensure registered businesses are appropriately represented.”

Mr Cooper accepted there were concerns with flues routed within voids and agreed that the guidance was limited. But he dismissed the suggestion that it was impractical, ambiguous and potentially flawed.

“This is an issue that has been around for many years and CORGI-registered businesses have had to deal with this issue with limited guidance from industry,” he said.

“Following considerable work by industry in the early part of 2007, there is now clear industry guidance provided for CORGI-registered businesses in both BS 5440-1: 2008 and the CORGI Technical Bulletin 200, when installing and maintaining flues located within ceiling voids.

“The guidance from industry [says] that where possible, a ceiling void should not be used as a route for the flue system and an alternative route should be found where possible, which is also clearly stated in Technical Bulletin 200.

“CORGI would offer the same advice as Technical Bulletin 200, in respect to trying to find an alternative route for the flue system where possible. This includes locating appliances adjacent to external walls or using a central riser (which incorporates suitable access points) with proprietary vertical flue systems, either individually or as part of a modern shared-flue system.”