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State the method used for setting out a partition at right angles to a wall?
Wiki User
∙ 14y ago
mark a line parelell to the wall at say 100mm offset
mark the partition position on this line with a sharp pencil
measure and mark a distance of 4 metres back from the first mark
mark an arc of 3 metres from the intersection of the first mark
mark an arc of 5 metres from the intersection of the second mark
where the arcs coincide is squre with the wall .
Note .
offseting the first line mmerely facilitates putting your tape measure acurately on the mark (forget this step if perfect accuracy is not required).
Note.
3,4, & 5 meters can be substituted with any other unit you care to use . eg 18, 24, & 30 ft gives a triangle of the same proportions. The larger the triangle you use the greater the accuracy.
Read also
http://www.fao.org/docrep/r7021e/r7021e05.htm#TopOfPage
Wiki User
∙ 14y ago
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