For lecture purposes

1. Solution To Supplemental Problem
The supplemental Problem Solutions are tabulated on the Table below:
EVENT ACT DUR EARLIEST LATIEST
I J START FINISH START FINISH
1 4 A 10 0 10 2 12
1 3 B 8 0 8 0 8
1 2 C 4 0 4 6 10
2 8 D 10 4 14 10 20
3 5 E 9 8 17 8 17
3 7 F 2 8 10 15 17
4 7 G 5 10 15 12 17
4 6 H 10 10 20 13 23
6 1 I 4 20 24 23 27
7 10 J 1 17 18 26 27
7 9 K 4 17 21 22 26
7 8 L 3 17 20 20 20
8 9 M 6 20 26 17 26
10 11 N 3 26 29 27 30
9 11 O 4 26 30 26 30
5 7 DUM 0 17 17 17 17
9 10 DUM 0 26 26 21 27
COMPUTER INPUT DATA SCHEDULING
1.Complete the network diagram. (15 marks)
2.Complete the correct solution to the supplement problem as refer to the network diagram. (30 marks)
3.Produce a bar chart(Program Schedule). (20 marks)
EVENTS ACT NO. PROJECT ACTIVITIES DEPENDENCY
DURATION
,DAYS
MAN LABOUR
E/MATERIAL
COST($)
PERCENTAGE(%
)
ACTUAL
/M/COST($)
PERCENTAGE(%)
P M
1 1 1 Site Establishment 2 3 5000.00 5.7 4715.00 6.24
1 2 2 Excavaton works 1 4 4 10,500.00 11.87 9253.65 12.25
2 3 3 Formwork/strutting 1,2 3 4 6,300.00 7.12 5851.44 7.74
3 4 4 Concrete works 3 5 7 25,000.00 28.26 17935.00 23.74
2 5 5 Roof Structure 3,4 6 6 12,800.00 14.47 10947.84 14.49
5 6 6 Roof Plumbing 2,5, 3 4 6,900.00 7.80 6361.80 8.42
5 6 7 External Services 5,6, 3 3 3840.00 4.34 3673.34 4.86
5 7 8 Electrical Works 5,6,7 3 3 7400.00 8.37 6780.62 8.97
6 8 9 Drainage 6,8 2 2 6450.00 7.29 5979.79 7.91
5 9 10 Painting&Finishes 5,9 2 2 4260.00 4.82 4054.67 5.34
TOTAL MATERIAL
COST
88,450.00 100 75,553.15 100
Difference 12,896.85 0

2. Concrete works External Services
Site Establishment Excavation works Formwork/ Electrical works Drainage Painting&Finishes
Strutting
Roofing Structure
Roof Plumbing

4. ng&Finishes

5. FLOATS
TF FF IF
2 0 0
0 0 0
6 0 0
6 6 0
0 0 0
7 7 7
2 2 0
3 0 0
3 2 0
9 8 8
5 5 5
0 0 0
0 0 0
1 1 0
0 0 0
0 0 0
1 0 0
(30 marks)
Total 65 marks
K 400
N 200
4,900
18,400

7. PROGRAM SCHEDULING (BAR CHART)
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
EVENT ACTIVITIES
(1-4) A 1 1 1 1 1 1 1 1 1 1
(1-3) B 4 4 4 4 4 4 4 4
(1-2) C 1 1 1 1
(2-8) D 1 1 1 1 1 1 1 1 1 1
(3-5) E 5 4 5 4 5 4 5 4 5 5
(3-7) F 1 1 1
(4-7) G 1 1 1 1 1
(4-6) H 1 1 1
(6-10) I 1 1 1 1
(7-10) J 1
(7-9) K 1 1 1 1
(7-8) L 5 5 5
(8-9) M 4 4 4 4 4 5
(10-11) N 1 1
(9-11) O 5 5 4 3
LABOUR GRAPH
CASH FLOW
5000
4000
3000
2000
1000
B E L M O
ACTIVITIES
B 3,200
E 4,600
L 1,500
M 2,500
O 1,700
13,500
A 1,000
C 400
D 1,000
F 300
G 500
H 300
I 400
J 100