鋼管腳手架搭設(shè)與拆除施工方案

1、目錄目錄一、適用范圍....................................................................................................................................................2二、編制依據(jù)：......................................................

2、..........................................................................................2三、作業(yè)流程...........................................................................................................................

3、.........................2四、工藝流程及主要質(zhì)量控制點....................................................................................................................24.1作業(yè)準備........................................................

4、..............................................................................................24.2定距、定位.....................................................................................................................

5、.............................44.3地基與墊板..................................................................................................................................................44.4橫向掃地桿...........................

6、.......................................................................................................................44.5立桿...............................................................................................

7、...............................................................54.6縱向水平桿..................................................................................................................................................54

8、.7橫向水平桿..................................................................................................................................................64.8連墻件............................................................

9、..............................................................................................64.9剪刀撐.......................................................................................................................

10、...................................74.10腳手板........................................................................................................................................................84.11安全通道................

11、....................................................................................................................................94.12臨邊防護...............................................................................

12、.....................................................................94.13腳手架的驗收與維護..............................................................................................................................104.14腳手架的拆

13、除..........................................................................................................................................10五、危險點辨識及預(yù)控措施...................................................................

14、...........................................................11定距、定位4蔣憭憭劉軍場地平整、夯實10蔣憭憭劉軍腳手架搭設(shè)17蔣憭憭劉軍4.1.2、材料準備序號材料及要求1鋼管:采用φ483.5mm的鋼管，立桿、大橫桿及剪刀撐桿長度：46.5m，小橫桿長度：1.52.3m。材質(zhì)應(yīng)符合GBT700中Q235A級鋼的要求。鋼管不得有彎曲、裂紋、壓扁、銹蝕等狀況。鋼管表面進行全面除銹

15、，然后刷兩度紅丹防銹漆，漆干后方可投入使用。對于用做剪刀撐的鋼管，防銹漆刷好后，再在表面加涂刷黃黑相間色油漆，間距400mm。2連接扣件:采用符合質(zhì)量標準GB1583的要求，沒有裂縫和無嚴重銹蝕的對接扣、直角扣和旋轉(zhuǎn)扣三種（含T形螺栓、螺母、墊片）等?？奂c鋼管貼合面要接觸良好?？奂A緊鋼管時，開口處不大于5mm，回轉(zhuǎn)扣的回旋面間隙要小于1mm。扣件不得有裂紋、銹蝕、滑絲等狀況。3腳手板：采用木板，規(guī)格為2.20.4m、質(zhì)量符合DBJ1

16、3342000的要求。4立網(wǎng)：采用密目式安全立網(wǎng)，1.86.0m尺寸規(guī)格，網(wǎng)目密度不低于800目100cm2，密目網(wǎng)各邊緣部位的開眼環(huán)扣牢固可靠，環(huán)扣孔徑不小于8mm。密目式安全立網(wǎng)上附有安全鑒定證和檢驗合格證。5擋腳板：擋腳板采用18mm厚木板制作而成，高度180mm，外立面刷成黃黑相間色，間距200mm，45度斜度。4.1.3主要工器具及儀器準備序號名稱規(guī)格型號單位數(shù)量備注1水準儀DS3A臺1已校準2經(jīng)緯儀ET200臺1已校準3卷尺