Question

Use the information in the table and assume that a worker is expected to devote half-time (four hours per day) to this project with work taking place on a 5-day-per-week basis. Which week has the highest resource usage?

Activity	Predecessor	Hours per Day	Time (Days)
A	--	4	6
B	A	4	11
C	A	5	5
D	B	4	6
E	B	4	6
F	B	6	3
G	C, D	8	11
H	E, F	8	8
J	G, H	3	10
K	J	6	4

Answer 1

NETWORK DIAGRAM:

activity	predecessor	hour/day	time (days)	ES	EF	REQD RESOURCE/DAY
A	--	4	6	1	7	1
B	A	4	11	7	18	1
C	A	5	5	7	12	1.25
D	B	4	6	18	24	1
E	B	4	6	18	24	1
F	B	6	3	18	21	1.5
G	C,D	8	11	24	35	2
H	E,F	8	8	24	32	2
J	G,H	3	10	35	45	0.75
K	J	6	4	45	49	1.5
WEEK	DAYS	RESOURCE REQUIRED
1	1-5	5
2	6-10	12.25
3	11-15	5
4	16-20	11.5
5	21-25	14
6	26-30	20
7	31-35	10
8	36-40	3.75
9	41-45	3.75
10	45-48	6
highest resource usage	20
HENCE,
WEEK 6 HAS THE HIGHEST RESOURCE USAGE

FORMULAS USED:

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