1. b. The Eastern Solutions Company Limited (ESCL) has tendered for, and won a contract to design and build a computerized flood-warning system in Trinidad and Tobago. Consider the activities, durations, and predecessor relationships to roll out this project, in the following network, shown in Table 2 (below). Draw the network and answer the questions that follow. Table 2. ESCL Computerized Flood-Warning System Project Activity Description Immediate Predecessor(s) Time Optimistic (Weeks) Most Likely (Weeks) Pessimistic (Weeks) A --- 2 7 12 B --- 1 3 11 C A 3 6 9 D B 5 8 13 E D 2 5 8 F E 4 9 14 G C 3 4 5 H D, G 3 5 7 I D 6 7 14 (i) Using a network, what is the earliest expected time of completion of the whole project?
1. b. The Eastern Solutions Company Limited (ESCL) has tendered for, and won a contract to design and build a computerized flood-warning system in Trinidad and Tobago. Consider the activities, durations, and predecessor relationships to roll out this project, in the following network, shown in Table 2 (below). Draw the network and answer the questions that follow. Table 2. ESCL Computerized Flood-Warning System Project Activity Description Immediate Predecessor(s) Time Optimistic (Weeks) Most Likely (Weeks) Pessimistic (Weeks) A --- 2 7 12 B --- 1 3 11 C A 3 6 9 D B 5 8 13 E D 2 5 8 F E 4 9 14 G C 3 4 5 H D, G 3 5 7 I D 6 7 14 (i) Using a network, what is the earliest expected time of completion of the whole project?
Practical Management Science
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1. b. The Eastern Solutions Company Limited (ESCL) has tendered for, and won a contract to
design and build a computerized flood-warning system in Trinidad and Tobago. Consider the
activities, durations, and predecessor relationships to roll out this project, in the following
network, shown in Table 2 (below). Draw the network and answer the questions that follow.
Table 2. ESCL Computerized Flood-Warning System Project
Activity
Description
Immediate
Predecessor(s)
Time
Optimistic
(Weeks)
Most Likely
(Weeks)
Pessimistic
(Weeks)
A --- 2 7 12
B --- 1 3 11
C A 3 6 9
D B 5 8 13
E D 2 5 8
F E 4 9 14
G C 3 4 5
H D, G 3 5 7
I D 6 7 14
(i) Using a network, what is the earliest expected time of completion of the whole project?
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