Comparison of a Fuzzy Genetic and Simulated Annealing Algorithm Approach for Project Time-Cost Tradeoff

Table 1

Activities, time, costs, and relationships for the considered project network.

Activity	Description	Depends on	Normal time (days)	Crash time (days)	Normal cost (EUR)	Crash cost (EUR)
A	Conceptual design for the complex of Main Postal Center (MPC) of Belgrade	—	90	70	3700	5000
B	Technical-technological concept of MPC Belgrade complex	—	30	25	2900	3200
C	Providing all necessary terms and agreements for communal connections	A	120	100	5000	6500
D	Conducting an open public acquisition procedure for the service of technological documentation produced for MPC Belgrade construction	B	60	60	1000	1000
E	Making the investment-technical documentation for construction of MPC Belgrade	C, D	120	110	3522300	3700000
F	Making the investment-technical documentation for construction of MPC Nis	C, D	60	55	23600	29200
G	Making the investment-technical documentation for construction of MPC Novi Sad	C, D	120	100	153400	160000
H	Making the technological conception	C, D	90	80	362850	387300
I	Construction of MPC Belgrade	E	360	320	15616120	15970000
J	Reconstruction of MPC Nis	F	120	110	1077340	1090750
K	Reconstruction and upgrading of MPC Novi Sad	G	360	320	1437240	1500000
L	Equip the objects: office equipment	I, J, K, H	90	80	11800	15000
M	Equip the objects: technological equipment	I, J, K, H	100	80	15300	18000
N	Equip the objects: IT equipment	I, J, K, H	80	60	5900	7000
O	Installing the equipment for automatic sorting of letter posts	L, M, N	120	110	7860000	8000000
P	Installing the equipment for automatic sorting of printed matters (flats)	L, M, N	270	240	8950000	9160000
Q	Installing the equipment for automatic sorting of packets	L, M, N	120	100	6774700	6944000
R	Installing the IT and telecommunication equipment	O, P, Q	120	90	11800	13200