Given the project is shown in Figure 5 - 10 of Chapter 5, assume that a facility

Question

Given the project is shown in Figure 5 - 10 of Chapter 5,

assume that a facility used by activities c and dis

scarce. To which activity would you assign the facility

first, given the following rules:

(a) Minimum slack rule

(b) Most followers

(c) Most critical followers

(d) Shortest task first

(e) As late as possible

Activity Activity EFEarliest finish time name durationLF Latest finish time LS-Latest start time Figure 5.9 Information contents in an AON node LF 17 21 12 17 17 2 18 17 12 15 2 15 Figure 5-10 The critical path and time for sample project in Table 5- completed on Dav 5. Addine their resnective durations to their ESs eives us their EFs

Explanation / Answer

(a) Minimum slack rule.

Activity C has slack of 3 and activity D has slack of 2. Using the minimum slack rule, assign the facility to D first.

(b) Most followers

Activity C has total of 2 followers (F and I). Activity D has total of 3 followers (G, H, and J). Using this rule, assign the facility to D first.

(c) Most critical followers

C does not have any critical followers but D has. Using this rule assign the facility to D first.

(d) Shortest task first

C takes 3 units to complete and D takes 4 units to complete. Using this rule, assign the facility to C first.

(e) As late as possible

C has a late start of 8 and D has a late start of 7. Using this rule, assign the facility to C.

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