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I.S. 465:2018
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Assessment, testing and categorisation of damaged buildings incorporating concrete blocks containing certain deleterious materials
25-09-2020
English
14-11-2018
This Irish Standard:a) establishes a protocol for assessing and determining whether a building has been damaged by concrete blocks containing excessive amounts of certain deleterious materials (aggregate containing free or unbound muscovite mica or potentially deleterious quantities of pyrite);b) describes methods for establishing the extent of the problem and categorises dwellings; c) describes the scope of any testing required and evaluation of the findings; and d) provides the Chartered Engineer with guidance on the selection of appropriate remedial works to be undertaken.
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