问题 问答题

某机电安装工程项目合同工期为1日个月。施工合同签订以后,施工单位编制了一份初始网络计划,如图1所示。

由于该工程施工工艺的要求,计划中工作C、工作H和工作J需共用一台起重施工机械,为此需要对初始网络计划作调整。

问题1.请绘出调整后的网络进度计划图。

2.如果各项工作均按最早开始时间安排,起重机械在现场闲置多长时间为减少机械闲置,工作C应如何安排

3.该计划执行3个月后,施工单位接到业主的设计变更,要求增加一项新工作D,安排在工作A完成之后开始,在工作E开始之前完成。因而造成了个别施工机械的闲置和某些工种的窝工,为此施工单位向业主提出如下索赔:(1)施工机械停滞费;(2)机上操作人员人工费;(3)某些工种的人工窝工费。请分别说明以上补偿要求是否合理为什么

4.工作G完成后,由于业主变更施工图纸,使工作I停工待图0.5个月,如果业主要求按合同工期完工,施工单位可向业主索赔赶工费多少万元(已知工作I赶工费每月12.5万元)为什么

答案

参考答案:

1.调整后的网络进度计划图如图3所示。   

 2.(1)工作C与工作H之间机械闲置2个月,工作H与工作J之间机械不闲置,故机械共闲置 2个月。 (2)如果工作C最早开始时间推迟2个月,则机械无闲置。 3.(1)施工机械停滞费补偿要求合理。 因为是业主原因造成施工单位的损失,业主应承担费用的补偿。 (2)机上操作人员人工费补偿要求不合理。 因为机上工作人员人工费包含在相应的机械停滞费用之中。 (3)某些工种的人工窝工费补偿要求合理。 因为是业主原因造成施工单位的损失。 4.业主不应支付赶工费。 因为不需要赶工,也能按合同工期完工(或因不影响总工期,或拖延时间在总时差范围内)。

完形填空
完形填空。
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