Multiobjective Project Scheduling with Multiple Compression Capabilities of the Multistate Activities with Project Reliability Approach using the Metaheuristic Algorithm

Table 1

Time and description of the activity of the central operation facilities project.

Activity name	Activity description	Prerequisite for activity	Activity time	Time				Floating time
				ES	EF	LS	LF
A	Engineering	—		0	4	0	4	0
B	Procurement			4	6	5	7	1
C	Geotechnical & soil mechanical test			4	7	4	7	0
D	Civil & building			7	10	7	10	0
E	Steel structure fabrication & erection			10	12	10	12	0
F	Tank fabrication & erection			10	12	10	12	0
G	Mechanical installation			12	15	12	15	0
H	Piping			15	19	15	19	0
I	Cathodic protection			15	17	17	19	2
J	Electrical			15	18	16	19	1
K	Telecommunication			19	21	19	21	0
L	Instrumentation			21	27	21	27	0
M	Final documentation	L		27	34	27	34	0
N	Precommissioning	M		34	36	34	36	0
O	Commissioning	N		36	38	36	38	0