【正文】 20cm，設(shè)置掃地桿的做法與大橫桿相同，其作用以固定立桿底部，約鐵路 S1 線墩身腳手架施工專項(xiàng)方案第 3 頁(yè)束立桿水平位移及沉陷。其余按一下構(gòu)造要求搭設(shè)。鐵路 S1 線墩身腳手架施工專項(xiàng)方案第 2 頁(yè)3 施工方案 施工工藝流程腳手架位置放線→擺放掃地桿→豎立桿并與掃地桿扣緊→裝掃地小橫桿，并與立桿和掃地桿扣緊→裝第一步大橫桿并與各立桿扣緊→安第一步小橫桿→安第二步大橫桿→安第二步小橫桿→加設(shè)臨時(shí)斜撐桿，上端與第二步大橫桿扣緊→安第三、四步大橫桿和小橫桿→安裝二層→接立桿→加設(shè)剪力撐→鋪設(shè)腳手板，綁扎防護(hù)及檔腳板、掛安全網(wǎng)。SG3標(biāo)起止墩位為某特大橋85墩（含）～191墩（不含），標(biāo)段內(nèi)含高架式車站某西站一座。鐵路 S1 線墩身腳手架施工專項(xiàng)方案鐵路 S1線墩身腳手架施工專項(xiàng)方案鐵路 S1 線墩身腳手架施工專項(xiàng)方案目 錄1 編制說(shuō)明 ......................................................................................................................................................1 編制依據(jù) ......................................................................................................................................................1 編制范圍 .......................................................................................................................................................12 工程概況 .......................................................................................................................................................13 施工方案 .......................................................................................................................................................2 施工工藝流程 ..............................................................................................................................................2 搭設(shè)要求 .......................................................................................................................................................2 立桿基礎(chǔ) ......................................................................................................................................................2 立桿間距 ......................................................................................................................................................2 掃地桿布設(shè) ..................................................................................................................................................3 大橫桿、小橫桿設(shè)置 ..................................................................................................................................3 剪刀撐 ..........................................................................................................................................................4 腳手板的鋪設(shè)要求 ......................................................................................................................................4 防護(hù)欄桿 ......................................................................................................................................................4 通道要求 ....................................................................................................................................................4 警示標(biāo)牌掛設(shè) .............................................................................................................................................5 腳手架的檢查與驗(yàn)收 ................................................................................................................................6 腳手架拆除 ................................................................................................................................................6 注意事項(xiàng) ....................................................................................................................................................74 資源配置 .......................................................................................................................................................8 腳手架材質(zhì)要求 ..........................................................................................................................................8 人力資源配置 ..............................................................................................................................................95 安全保證措施 .........................................................................................................................