目 录一、编制依据、原则_______________________________________________21、编制依据____________________________________________________22、编制原则____________________________________________________2二、工程概况_____________________________________________________21、设计及变更情况______________________________________________22、预埋情况____________________________________________________3三、组织机构设置_________________________________________________3四、主要施工方法及工艺流程_______________________________________31、工艺流程图__________________________________________________32、施工准备____________________________________________________43、钢构件下料、切割、成孔______________________________________54、钢筋混凝土步板预制__________________________________________55、预埋件处理__________________________________________________66、组装及焊接________________________________________________