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There are many concrete surface finish specifications that can be specified, for example;
All of these specifications give descriptions and acceptable limits which contractors can price against. However interpretation of a visual appearance is subjective and agreement on requirements should be related to physical benchmarks. The term ´fair-faced´ is not recognised in specifications. As stated back in 1972 in CP110 The structural use of concrete, the forerunner of BS 8110, “terms such as ‘fair faced’ and ‘blemish free’ should be avoided”. Apart from the lowest formed finish specification i.e. Basic, F1 or Rough, all the rest can be considered as ‘fair-faced’ so the term is too undefined to be used for tender purposes.
The National Structural Concrete Specification (NSCS), considered to be the UK national annex to BS EN 13670, can be download free from CONSTRUCT
Acknowledgement: The Concrete Society
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