what should be the first, excavation or establishing the layout? explain your answer
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what should be the first, excavation or establishing the layout? explain your answer
what should be the first, excavation or establishing the layout? explain your answer
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Answer:
For setting layout of foundation excavation, a benchmark shall be established at the site by a masonry pillar and connected to the nearest standard benchmark. Levels of the site should be taken at 5 to 10 m intervals depending on the terrain and the importance of the building.
The centre lines of the walls are marked by stretching strings across wooden pegs driven at the ends. The centre lines of the perpendicular walls are marked by setting out the right angle with steel tapes or preferably with a theodolite.
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