CIVL493 – CONSTRUCTION MANAGEMENT
2020-2021 Spring TERM QUIZ
Time allowed : 60 min
Date : 04 June 2021
1. Draw an arrow diagram for the activities listed below. Calculate earliest start and
finish times, latest start and finish times, total float, free float, and independent
float. Show the critical activities.
Table 1- Durations and Resources of Activities
Earliest
Latest
Floats
Activity Duration Preceding Resource
Critical
Name (days) Activities (Workers) Start Finish Start Finish Total Free Independent Activity
1
A
5
B
6
-
C
D
3
7
E
F
5
4
A
B
G
3
H
I
6
5
J
2
K
L
M
7
4
3
N
O
4
6
B
A,C
A,C,E
A,C,E
D
D
G,H,K
J
F
F,I
2
3
2
5
3
3
4
2
3
4
2
3
3
4
1
2. Assign the resources to the activities given in Table 1, and draw a bar chart and resource histogram for the latest start times of the activities.
Activities
Duration
(days)
Resources
(Workers)
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
2
1
2
1
2
2
3
2
2
1
2
3
1
2
1
1
2
3
2
5
3
3
4
2
3
4
2
3
3
4
1
2
3
4
5
6
7
8
9
TOTAL RESOURCES
2
TIME SCALE /(days)
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28