Engineering Management Project
Group Number 11
X value = 3
Y value = 2
– Penalty of AUD 300,000 is applicable if your company fails to meet the deadline.
– To provide additional incentive for speedy construction, a bonus of $150,000 will be paid to your company if the project is completed within 46 weeks.
Task 1 –
Summarising the task relationships in a tabular format;
Normal Condition Crash Condition
Activity ID Activity Name Duration (Weeks) Predecessors Resource / Week (units) Duration (weeks) Cost (AUD)
A Excavate 5 – 7 4 280,000
B Lay the foundation 7 A 8 5 420,000
C Put up the rough wall 13 B 9 10 860,000
D Put up the roof 9 C 4 7 340,000
E Install the exterior plumbing 7 C 3 6 570,000
F Install the interior plumbing 8 E 7 6 260,000
G Put up the exterior siding 10 D 5 7 1,020,000
H Do the exterior painting 12 E,G 3 9 380,000
I Do the electrical work 10 C 3 8 270,000
J Put up the wallboard 11 I,F 5 9 490,000
K Install the flooring 7 J 4 6 200,000
L Do the interior painting 8 J 3 6 350,000
M Install the exterior fixtures 5 H 3 4 200,000
N Install the interior fixtures 9 L,K 7 6 510,000
Normal Duration:
Task 2 –
Different Paths:
Normal Condition Duration:
A-B-C-I-J-K-N= 62 weeks
A-B-C-I-J-L-N= 63 weeks
A-B-C-D-G-H-M= 61 weeks
A-B-C-E-H-M= 49 weeks
A-B-C-E-F-J-K-N= 67 weeks
A-B-C-E-F-J-L-N= 68 weeks
Most weeks is the critical path
Crash Condition Duration:
A-B-C-I-J-K-N=
A-B-C-I-J-L-N=
A-B-C-D-G-H-M=
A-B-C-E-H-M=
A-B-C-E-F-J-K-N=
A-B-C-E-F-J-L-N=
Normal Condition Duration:
Task 3 (Harry) –
– Identify the various paths through the project network and determine the duration of each of the paths through the network
– Determine the Earliest Start (ES) and Earliest Finish (EF) for each of the activities
Activity ES (weeks) EF (weeks)
A 0 5
B 5 12
C 12 25
D 25 34
E 25 32
F 32 40
G 34 44
H 32 44
I 25 35
J 40 51
K 51 58
L 51 59
M 44 49
N 59 68
– Determine the Latest Start (LS) and Latest Finish (LF) for each of the activities
Activity LS (weeks) LF (weeks)
A 7 12
B 12 19
C 19 32
D 32 41
E 24 31
F 33 41
G 41 51
H 51 63
I 31 41
J 41 52
K 52 59
L 51 59
M 63 68
N 59 68
– Determine the slack for each of the activities
– Identify the critical path
Task 4 (Harry) –
– Identify the various paths through the project network and determine the duration of each of the paths through the network
– Determine the Earliest Start (ES) and the Earliest Finish (EF) for each of the activities
– Determine the Latest Start (LS) and the Latest Finish (LF) for each of the activities
– Determine the slack for each of the activities
– Identify the critical path