Sunday, 29 March 2009

Torre Pendente di Pisa


Constructed in 1174, at a time when the Pisans were enjoying an era of military success, the Leaning Tower of Pisa, located in Pisa’s Campo dei Miracoli (Field of Miracles) is famous not only because of its striking beauty but also because of its awkward geometry। It served as the bell tower of the equally impressive Cattedrale (Cathedral) and Battistero (Baptistry), and, as a result of the poor swampy soil beneath, has leaned almost since construction first started. Today, one side is five metres (16ft) closer to the ground than the other. Galileo used the tower for experiments to prove his theory of motion whilst he was chair of mathematics at the Universit√† di Pisa (Pisa University) in 1589.

Tower scaffolds are also known to lean at an angle after they have been erected. But this is not because of swampy soil but because operatives (assuming the towers have been erected correctly to begin with) have adjusted them afterwards.

One seemingly logical response from an operative was that the ceiling was at a slope so he had had adjusted the legs to suit the slope of the ceiling। Consequently of course the working platform was at an angle.

And so was he.

There were also no toe boards so there was nothing to stop material rolling off the sloping platform.




Regulation 4(1)(a) of the Work at Height Regulations 2005 states that: "Every employer shall ensure that work at height is - (a) properly planned".
Regulation 8(a) of the Work at Height Regulations 2005 states that: "work should comply with the schedule outlining edge protection".
Regulation 12(2) of the Work at Height Regulations 2005 states that: "scaffolding towers should be inspected before use".





http://www.hse.gov.uk/pubns/cis10.pdf

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