Table 5. Average cycle time by work elements in yarding and processing of single and multi operations.

Classification		Single operationc (n=95)		Multi operationd (n=104)
		sec	%	sec	%
Yardinga,b	Carriage out	35	6.7	24	8.2
	Lateral out	128	24.4	56	19.5
	Hook	129	24.7	36	12.7
	Lateral in	34	6.5	27	9.6
	Carriage in	29	5.6	30	10.6
	Unhook	20	3.9	25	8.7
	Delay	149	28.3	88	30.7
	Total cycle time	525	100.0	287	100.0
	Delay-free cycle time	376	-	199	-
		Single operationa (n=173)		Multi operationb (n=104)
Processing	Moving	-	-	10	4.6
	Processing	114	46.1	110	50.2
	Log bunching	11	4.4	22	10.0
	Residues bunching	16	6.6	6	2.7
	Delay	105	42.8	71	32.4
	Total cycle time	246	100.0	219	100.0
	Delay-free cycle time	141	-	148	-

set-up and displacement time : (single) 3h30m, (multi) 5h10m
Number of trees per cycle : (single) avg. 2 (min. 1, max. 4), (multi) avg. 1
Utilization : Yarding (71.6%), Processing (56.9%),
Utilization : Yarding (69.3%), Processing (69.1%)