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【简答题】
某水利工程经监理工程师批准的施工网络进度计划如下图(单位。天)。 合10000:如工程工期提前,奖励标准为10000元/天如工程工期延误,支付违约金标准为10000元/天。 当工程施工按计划进行到第110天末时因承包人的施工设备故障造成E工作中断施工。为保证工程顺利完成,有关人员提出以下施工调整方案: 方案一:修复设备。设备修复后E工作继续进行,修复时间是20天; 方案二:调剂设备。B工作所有的设备能满足E工作的需要,故使用B工作的设备完成E工作未完成工作量,其他工作均按计划进行; 方案三:租赁设备。租赁设备的运输安装调试时间为10天,设备正式使用期间支付租赁费用,其标准为350元/天。 【问题】 1.计算施工网络进度计划的工期以及E工作的总时差,并指出施工网络进度计划的关键线路。 2.若各项工作均按最早简要分析采用哪个施工调整方案较合理。 3.根据分析比较后采用的工调整方案,绘制调整后的施工网络进度计划(网络进度计划中应将E工作E1和E2,其中E1表示已完成工作,E2表示未完成工作)。
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