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Innula, why was the use of 30 year lifespan RAAC authorized for buildings expected to last 100+ years? I could see its temporary use as a post-war rebuilding measure, but many of these structures were built up until the 80's and 90's. What am I missing? And can these buildings even support a conventional roof?First, some background. Here in the UK it's transpired that an indeterminate number of schools are unsafe, with an imminent danger of their roofs falling in, because the incoming Coalition government in 2010 cancelled the previous Labour government's maintenance programme, needed because the reinforced autoclaved aerated concrete (RAAC) used to as a building component in earlier years was approaching the end of its safe working life, and that requests for funds to do needed repairs have consistently been refused, or greatly trimmed down, by the Treasury.
Things have now reached such a point that the Department for Education has been forced, days before the new school year begins, to order the immediate temporary closure on safety grounds of more than 150 schools, with an unknown number of other schools likely to be closed in the coming days, leaving Head Teachers and local authorities scrambling to find alternative accommodation.
news.
Anyway, the Department for Education tried to reassure people on
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The opposition Labour Party responded
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I'm hardly an expert on the subject but I don't think anyone realised until the mid-1990s that it had a limited lifespan. Nor did it become clear until some years later how limited that lifespan was.Innula, why was the use of 30 year lifespan RAAC authorized for buildings expected to last 100+ years? I could see its temporary use as a post-war rebuilding measure, but many of these structures were built up until the 80's and 90's. What am I missing? And can these buildings even support a conventional roof?
Thanks.