Optimal Pipe Size Design for Looped Irrigation Water Supply System Using Harmony Search: Saemangeum Project Area

Table 2

Cost data corresponding to different pipe diameters for Saemangeum.

Pipe diameter (mm)	Cost ()
	Construction costs	Material costs	Maintenance costs
80	65,000	15,000	6,500
100	65,999	27,583	6,600
150	76,410	40,686	7,641
200	86,028	58,716	8,603
250	96,135	81,160	9,614
300	105,325	103,231	10,533
350	113,818	125,107	11,382
400	126,797	148,836	12,680
450	136,250	155,522	13,625
500	147,792	181,823	14,779
600	171,991	211,396	17,199
700	211,413	273,528	21,141
800	307,640	339,740	30,764
900	359,048	384,619	35,905
1,000	415,702	451,932	41,570
1,100	482,074	547,224	48,207
1,200	576,736	606,962	57,674
1,350	687,390	716,075	68,739