What is waste percentage taken into account when preparing material requirement in steel fabrication work for a particular job?

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Khaja Mohammed Ameer Uddin Ameer
23-March-2015

Metal Fabrication

Question added by Ashfaq Hussain , Dy. Chief Engineer , MCC Resources Development co.
Date Posted: 2014/07/18

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by pon esakki , Site Engineer , National contracting company limited

Below10% for structural fabrication

Below15% for Tank and vessel

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by Nadhem Jlali , Draftsman steel construction Autocad ,doc controle register and planner technician o IBM Maximo , NLsupervision Tunisia company

the percentage of waste taken into account when preparing the material needs of manufacturing jobs in steel for a particular job is different from one domain to another, for example: * Metal structural work: - about 10% of dechet without permission splicing. - About 5% to8% if the splicing is allowed. * Boiler: - can reach up to20% of waste (tank, silo ...)