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當(dāng)前位置：考試網(wǎng)  > 試卷庫  > 建筑工程  > 八大員  > 施工員  >  背景資料： 某寫字樓工程，地下1層，地上15層，框架剪力墻結(jié)構(gòu)。首層中廳高12 米，施工單位的項(xiàng)目部編制的模板支架施工方案是滿堂扣件式鋼管腳手架，方案由項(xiàng)目部技術(shù)負(fù)責(zé)人審批后實(shí)施。施工中，某工人在中廳高空搭設(shè)腳手架時隨手將扳白手放在腳手架上，腳手架受振動后扳手從上面滑落，順著樓板預(yù)留洞口(平面尺寸0.25m×0.50m)砸到在地下室施工的王姓工人頭部。由于王姓工人認(rèn)為在室內(nèi)的樓板下作業(yè)沒有危險，故沒有戴安全帽，被砸成重傷。 問題： 1. 分析該起安全事故的原因。 2. 寫出該模板支架施工方案正確的審批程序。 3. 扳手放在腳手架上是否正確?說明理由。 4. 何謂“三寶”和“四口”?本例的預(yù)留洞口應(yīng)如何防護(hù)?
試題預(yù)覽

背景資料：

某寫字樓工程，地下1層，地上15層，框架剪力墻結(jié)構(gòu)。首層中廳高12 米，施工單位的項(xiàng)目部編制的模板支架施工方案是滿堂扣件式鋼管腳手架，方案由項(xiàng)目部技術(shù)負(fù)責(zé)人審批后實(shí)施。施工中，某工人在中廳高空搭設(shè)腳手架時隨手將扳白手放在腳手架上，腳手架受振動后扳手從上面滑落，順著樓板預(yù)留洞口(平面尺寸0.25m×0.50m)砸到在地下室施工的王姓工人頭部。由于王姓工人認(rèn)為在室內(nèi)的樓板下作業(yè)沒有危險，故沒有戴安全帽，被砸成重傷。

問題：

1. 分析該起安全事故的原因。

2. 寫出該模板支架施工方案正確的審批程序。

3. 扳手放在腳手架上是否正確?說明理由。

4. 何謂“三寶”和“四口”?本例的預(yù)留洞口應(yīng)如何防護(hù)?

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正確答案：

1、主要原因包括：該工人違規(guī)操作，預(yù)留洞口未防護(hù)，王姓工人未戴安全帽，現(xiàn)場安全管理不到位，安全意識淡薄。

2、該施工方案應(yīng)先由施工的技術(shù)負(fù)責(zé)人審批，該模板支架高度超過8 米還應(yīng)組織專家組審查論證通過，再報(bào)監(jiān)理審批同意。

3、工具不能隨意放在腳手架上，工具暫時不用應(yīng)放在工具袋內(nèi)。

4、“三寶”是指安全帽、安全網(wǎng)、安全帶?！八目凇笔侵割A(yù)留洞口、樓梯口、通道口、電梯井口。樓板面等處邊長為25cm~50cm的洞口，可用竹、木等作蓋板蓋住洞口，蓋板必須能保持四周擱置均衡、固定牢靠，蓋板應(yīng)防止挪動移位。

答案解析：

暫無解析

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