Good practice on the testing and verification of protection systems for buildings against hazardous ground gases (C735)
The first guidance on the installation of gas protection systems for buildings was published in the early 1990s. Since then the frequency of installation and variety of systems has increased considerably. However, there is evidence that the installation of many of these systems has failed to meet an acceptable standard.
This publication provides good practice guidance for the designer, installer, verifier and regulator on the verification and integrity testing of gas protection systems. It sets out a flexible, risk based
and practicable framework that can be adapted to provide sitespecific advice on the need for and scope of verification activities (including any integrity testing).
Recommendations are presented for the promotion of the good practice described in this publication and for recognition of the important role that local authority (LA) regulators play in its
increased acceptance and application throughout the industry.
Further information on this subject can be found in publication C748 - Guidance on the use of plastic membranes as VOC vapour barriers
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Author: H Mallett, L Cox (nee Taffel-Andureau), S Wilson, M Corban
Number of pages: 130
Date of Publication: August 2014
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