某项目经理将其负责的系统集成项目进行了工作分解,并对每个工作单元进行了成本估算,得到其计划成本。各任务同时开工,开工5天后项目经理对进度情况进行了考核,如下表所示:
【问题1】(6分)
请计算该项目在第5天末的PV、EV值,并写出计算过程。
【问题2】(5分)
请从进度和成本两方面评价此项目的执行绩效如何,并说明依据。
【问题3】(2分)
为了解决目前出现的问题,项目经理可以采取哪些措施
【问题4】(2分)
如果要求任务戊按期完成,项目经理采取赶工措施,那么任务戊的剩余日平均工作量是原计划日平均工作量的多少倍
正确答案及解析
正确答案
解析
【问题1】解答要点
PV=2000×5+3000×5+4000×5+2000×5+1800×5=64000 (3分)
EV=2000×10×20%+3000×9×30%+4000×12×30%+2000×13×80%+1800×7×50%=53600 (3分)
【问题2】解答要点
SV<0, 或CV<0 ,项目进度滞后,成本超支 (1分)
AC=16000+13000+27000+19000+10000=85000
原因:
SV = EV – PV = 53600 – 64000 = -10400< 0 或SPI = EV/PV = 53600/64000 = 0.8375<1 (2分)
CV = EV – AC = 53600 – 85000 = -31400< 0 或CPI= EV/AC = 53600/85000= 0.6305< 1(2分)
【问题3】解答要点
目前的状况是 AC>PV>EV,说明工作效率低,采取的措施:
1)需要用工作效率高的人员替换工作效率低的人员
2)或者改进方法,提高工作效率
3)加强成本控制。
答对一条给1分,最高2分
【问题4】 解答要点
任务戊计划的平均日工作量为1/7=14.3%(0.5分)
现在的平均日工作量为50%/2=25%(0.5分)
所以平均日工作量增加值为25%÷14.3%=1.75(1分)
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