- 豆豆Lv 51 0 年前最佳解答
One of problems of EVM
Therefore, because it is necessary to change it into the degree according to the cost management of the change that queues up ..it is necessary to attach to the expectation of the change in the change and the resource at working hours because of participation under the situation of a complex special matter in new work, to do, and to queue up in the management of the degree and the cost.. It is taken into consideration neither shortening of attaching to the addition of of the resource because of the use of information on statistics in the method of the forecast in EVM and the time of processing short nor to bring it the difference of the ability of the resource of the work of execution.
Two can be calculated with EV in the progress of work and the evaluation that gives the plan of work from the start in EVM. However, it is necessary to evaluate progress of these two costs queuing up in the cost in which the degree is spent as for the correction in an actual cost and the future of work. The method of such an evaluation has the necessity because there is a change queuing up in the eternal degree association about a complex special matter.
- 怡瑩 Yi Ying LinLv 41 0 年前
in 1 complex special case situation, regarding joins the new work, the estimate operating time change and the resources change, has the necessity to make a row of regulation and the cost management, therefore, is also needs to change along with the row of regulation's change cost management, in EVM forecast technique, because has used the statistical information, therefore had not considered creates the process time regarding the resources supplement the contraction and the execution work resources ability difference.
2 in EVM, the work progress, is by from the very beginning the appraisal which gives regarding the work plan, may calculate with EV. But, the work actual cost and a future revision row of regulation will spend the cost, will have the necessity regarding these two costs to make the progress the appraisal. Regarding complex special case, because the row of regulation regular session has the change, such appraisal way is necessary.
For must solve this kind of question proposal method, will have the explanation in the third chapter.