Prior to any significant analysis, we developed a ROM that the project would cost $1.5M. However, as we developed the WBS and were able to put cost estimates to each work package, the definitive estimate was $1.375M. ROM estimates are used very early in the project when there is a lack of detailed information. Definitive estimates occur when there are accurate estimates at the work package or activity level. See all posts in our PMP Concepts Learning Series.
Water seeks its own level simply means quality people of integrity find other quality people of integrity and vice versa. It also means high quality finds high quality and low quality finds low quality. This is true in business and in life. It is a scientific fact: water does indeed reach its own level. Itâs also a scientific fact that our bodies are made of 90 percent water. And the Bible says the same thing but like this:âLet the waters under the heavens be gathered together into one place, and let the dry land appear.â
1 Oceanographythe flowing back of the tide as the water returns to the sea (opposed to flood, flow). 2  a flowing backward or away; decline or decay:the ebb of a once great nation. 3  a point of decline:His fortunes were at a low ebb.