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灃西新城應急給水廠項目輸水管道 過橋段施工方案 編制: 審核: 批準: 日期: 2016 年 1 月 1 日 陜西有色建設有限公司 目 錄 第一章 工程概況 工程概況··············································1 第二章 施工準備 施工準備··············································2 第三章 管溝施工 測量放線··············································3 管溝開挖··············································4 管溝施工··············································5 管溝蓋板施工·································