Q2) A company signed a contract to build a new bridge. The company found that at

Question

Q2) A company signed a contract to build a new bridge. The company found that at the time they start the construction phase they will have shortage of work force (number of employees). According to their plan hiring up to 100 employees the gain in covering the shortage is too low and over certain short period of time having any number over 1000 employees will have no significant effect on the construction progress Construct the S-curve (performance curve) specifying the utility (usefulness and or performance) versus the number of employees. Show the useless gain and the saturated gain regions and the zone of nterest.

Explanation / Answer

The S-curve is a powerful project management control tool. Why it is the shape it is, how to use it and "Max's Rule of Thumb" for drawing it as a part of the project planning activity are all described in Chapter 10 of A Management Framework for Project, Program and Portfolio Integration. You can also find more information on this website by entering "S-curve" or "Resource loading" into the site search engine field.

What is an S-curve?

An S-curve is defined as:

"A display of cumulative costs, labor hours or other quantities plotted against time. The name derives from the S-like shape of the curve, flatter at the beginning and end and steeper in the middle, which is typical of most projects. The beginning represents a slow, deliberate but accelerating start, while the end represents a deceleration as the work runs out."

Types of S-curves

There are a variety of S-curves that are applicable to project management applications, including Man Hours versus Time S-curve

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