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背景资料：某管道铺设工程项目，长1km，工程内容包括燃气、给水、热力等项目，热力管道采用支架铺设 背景资料：（2016年一建市政工程考试真题） 某管道铺设工程项目，长1km，工程内容包括燃气、给水、热力等项目，热力管道采用支架铺设，合同工期80天，断面布置如图3-1所示。建设单位采用公开招标方式发布招标公告，有3家单位报名参加投标，经审核，只有甲、乙2家单位符合合格投标人条件，建设单位为了加快工程建设，决定由甲施工单位中标。 开工前，甲施工单位项目部编制了总体施工组织设计，内容包括： (1)确定了各种管道施工顺序为：燃气管→给水管→热力管; (2)确定了各种管道施工工序的工作顺序如表3所示，同时绘制了网络计划进度图，如图3-2所示。 在热力管道排管施工过程中，由于下雨影响停工1天。为保证按时完工，项目部采取了加快施工进度的措施。 问题： 1.建设单位决定由甲施工单位中标是否正确?说明理由。 2.给出项目部编制各种管道施工顺序的原则。 3.项目部加快施工进度应采取什么措施? 4.写出图3-2代号A和表3中B、C、D、E代表的工作内容。 5.列式计算图3-2工期，并判断工程施工是否满足合同工期要求，同事给出关键线路。(关键线路图3-2中代号“①-⑩及“-”表示)
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A.
William Faulkner
B.
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C.
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D.
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E.
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F.
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