各单位在装修房屋时 如何用英语说

When decorating a building every unit, must handle in advance by that the \"centre\" thing job headquarter O. K. , uniting. Change the building structure not to presumptuously. Or change for instance holding force wall , crossbeam , pillar etc., add the building founding , expanding , dismantling any; Need to accord with thing job headquarter to the concrete regulation decorating , being under construction at the same time.