CST Schedule Variance & Delay Analysis 4

Question 1

A project's actual progress curve falls below its planned S-curve. When analyzing this with EVM, which metric directly quantifies this gap in cost units?

Accepted Answer

Schedule Variance (SV)

Answer

Schedule Variance (SV = EV − PV) quantifies in cost units how much planned work has not yet been completed, representing the gap between the planned and actual S-curves.

Question 2

Which of the following best describes the 'Window Analysis' method of delay analysis?

Accepted Answer

Dividing the project timeline into discrete periods and analyzing the critical path and delays within each window

Answer

Window Analysis segments the project into time windows and updates the schedule within each window, allowing cause-and-effect delay analysis across discrete periods.

Question 3

A contractor claims 30 days of excusable delay due to unusually severe weather. The owner counters that the contractor had 45 days of available float at the time. What is the most defensible position?

Accepted Answer

The contractor may be entitled to a time extension only to the extent the delay exceeded available float

Answer

If float exceeds the delay duration, no time extension may be warranted; if the delay exceeded available float, a time extension for the excess days is generally appropriate.

Question 4

For an Earned Schedule calculation, the Actual Time (AT) = 10 months and Earned Schedule (ES) = 8 months. What is the Schedule Variance in time (SVt)?

Accepted Answer

−2 months (behind schedule)

Answer

SVt = ES − AT = 8 − 10 = −2 months, meaning the project is 2 months behind where it should be at this point in time.

Question 5

A project manager updates the schedule and discovers that fast-tracking two phases has introduced a new critical path. The original critical path now has 5 days of float. What should the PM do first?

Accepted Answer

Monitor the new critical path closely and manage risks on it

Answer

When fast-tracking creates a new critical path, the immediate priority is to actively monitor and manage risks on that new critical path to protect the finish date.

(CST) Certified Scheduling Technician Practice Test

(CST) Certified Scheduling Technician Practice Test

CST Schedule Variance & Delay Analysis 4