Table 8.
Actual construction cost per unit for street tree management (unit: won)

Classification			Unit	Work input cost	Daily workload	Unit price (KRW)
Street tree pruning	Heavy pruning	11 less	per tree	1,693,065	23.65	71,603
		11-21 less	per tree	1,693,065	18.18	93,119
		21-31 less	per tree	1,693,065	16.22	104,406
		31-41 less	per tree	1,693,065	13.19	128,391
		41-51 less	per tree	1,693,065	10.34	163,663
		51 or more	per tree	1,693,065	8.53	198,582
	Light pruning	11 less	per tree	1,693,065	18.97	89,239
		11-21 less	per tree	1,693,065	15.64	108,286
		21-31 less	per tree	1,693,065	13.56	124,864
		31-41 less	per tree	1,693,065	11.06	153,081
		41-51 less	per tree	1,693,065	9.07	186,590
		51 or more	per tree	1,693,065	6.72	251,843
Shrub pruning		Less 0.9m	m2	985,787	823.33	1,197
		0.9m or more	m2	985,787	583.23	1,690
Watering of water sprinkler truck		1,800L	m2	602,337	1,142.86	797
		3,800L	m2	602,337	1,411.76	655
		5,500-6,500L	m2	602,337	1,674.42	498
Weeding			m2	557,544	409.21	1,362
Tree fertilization		11 less	per tree	602,337	74.65	8,069
		11-21 less	per tree	602,337	67.32	8,947
		21-31 less	per tree	602,337	58.32	10,328
		31-41 less	per tree	602,337	49.30	12,218
		41-51 less	per tree	602,337	43.52	13,840
		51 or more	per tree	602,337	36.01	16,727
Shrub fertilization			m2	602,337	416.31	1,447
Chemical spraying (machine)			L	1,550,673	8.45	212,182
Windbreak wall installation		H = 0.45m	m	854,560	60.53	14,118
		H = 0.9m	m	854,560	45.16	18,925