某信息系统开发项目由系统集成商A公司承建,工期1年,项目总预算20万元。目前项目实施已进行到第8个月末。在项目例会上,项目经理就当前的项目进展情况进进行分析和汇报。截止第8个月末项目执行情况分析表如下:
【问题1】(8分)
请计算截止到第8个月末该项目的成本偏差(CV),进度偏差(SV),成本执行指数(CPI)和进度执行指数(SPI);判断项目当前在成本和进度方面的执行情况。
【问题2】(7分)
请简要叙述成本控制的主要工作内容。
正确答案及解析
正确答案
解析
【问题1】
PV=(2000+5000+10000+75000+65000+20000)元=177000元
AC=(2100+4500+12000+86000+60000+15000)元=179600元
EV=(2000×100%+5000×100%+10000×100%+75000×90%+65000×70%+20000×35%)元=137000元
CV=EV-AC=(137000-179600)元=-42600元
SV=EV-PV=(137000-177000)元=-40000元
CPI=EV/AC=(137000/179600)元=0.76
SPI=EV/PV=(137000/177000)元=0.77
项目当前执行情况:成本超支,进度滞后。
【问题2】
(1)对造成成本基准变更的因素施加影响;
(2)确保变更请求获得同意;
(3)当变更发生时,管理这些实际的变更;
(4)保证潜在的成本超支不超过授权的项目阶段资金和总体资金;
(5)监督成本执行,找出与成本基准的偏差;
(6)准确记录所有与成本基准的偏差;
(7)防止错误的、不恰当的或未获批准的变更纳入成本或资源使用报告中;
(8)就审定的变更,通知项目干系人;
(9)采取措施,将预期的成本超支控制在可接受的范围内。
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