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Lecturer's Name: Tony Lomas Submission Date: 06/06/05 Candidate Number: 0478764 End of Unit Assignment - Site Surveying 1.) Explain the procedures for setting out and levelling of foundations for steel framed and pre-cast concrete buildings. Setting out involves the transfer of positions and levels of buildings and associated features from those dimensions and co-ordinates marked on a drawing or plan or computer printout to the ground by a variety of methods and instruments designed for that purpose. Precision is required in ensuring that the building and placement level match the position shown on the drawings relative to Ordnance survey references expressed by reference to longitude and latitude, plus established boundary points for the site; also ordnance bench marks (OBM) that indicate levels relative to ordnance datum i.e. mean sea level at Newlyn Cornwall. OBM's are frequently found chiselled into buildings and can be transferred to site with temporary benchmarks (TBM) suitably marked and protected from...

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