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Fitness of materials and workmanship (Regulation 23)
Regulation 23(1)NI-wide·Amendments Booklet AMD 7 2022 (Booklets B C E)
In any relevant work— (a) the materials used shall— (i) be of a suitable nature and quality in relation to the purposes for and the conditions in which they are used; (ii) be adequately mixed and prep
building-materialsworkmanshipIndependent certification schemes
2.7NI-wide·Technical Booklet B Materials and Workmanship
The material has certified compliance under an independent certification scheme. There are many independent certification schemes in the UK and elsewhere that may provide information on the performanc
materialsworkmanshipTests and calculations for materials
2.8NI-wide·Technical Booklet B Materials and Workmanship
Where there is no relevant harmonised European standard, tests, calculation or other means may be used to demonstrate that the material can perform the function for which it is intended. UKAS or an eq
materialsworkmanshipPast experience as evidence of material suitability
2.9NI-wide·Technical Booklet B Materials and Workmanship
Past experience, such as in a building in use, may show that the material is capable of performing the function for which it is intended.
materialsworkmanshipSampling of materials
2.10NI-wide·Technical Booklet B Materials and Workmanship
Regulation 16 in Part A allows a district council to take, as it considers necessary, samples of materials either used or to be used in building work, to establish if that material complies with the p
materialsworkmanshipShortlived materials
2.11NI-wide·Technical Booklet B Materials and Workmanship
Some materials, in the absence of special care, may be considered unsuitable because of their rapid deterioration in relation to the expected life of the building. A shortlived material which is readi
materialsworkmanshipWays of establishing the adequacy of workmanship
2.15NI-wide·Technical Booklet B Materials and Workmanship
The following are examples of ways which may be used to establish the adequacy of workmanship (see paragraphs 2.16 to 2.22).
workmanshipmaterialsCE marking and workmanship specification
2.16NI-wide·Technical Booklet B Materials and Workmanship
If a material has CE marking, workmanship may be specified in the relevant European Technical Assessment or harmonised product standard.
workmanshipmaterialsce-markingReferenced British Standards for Materials and Workmanship
AppendixNI-wide·Technical Booklet B Materials and Workmanship
BS EN ISO 9000: 2005 Quality management systems. Fundamentals and vocabulary. BS EN ISO 9001: 2008 Quality management systems. Requirements. BS 5617: 1985 Specification for Ureaformaldehyde (UF) foam
materialsworkmanshipBritish Standards for Workmanship on Building Sites
BS 8000 seriesNI-wide·Technical Booklet B Materials and Workmanship
BS 8000/12: 1989 Workmanship on building sites. Code of practice for decorative wallcoverings and painting. BS 8000/13: 1989 Workmanship on building sites. Code of practice for above ground drainage a
workmanshipdrainagewater-servicessealinginsulationcavity-walls