Table 6. Delay time in yarding and processing of single and multi operations.

Classification		Single operation	Multi operation
		(sec/cycle)	(sec/cycle)
Yarding	Mechanical	Machine checking	18	21
		Battery change	14	-
		Sub	32	21
	Operational	Hang-up	8	8
		Carriage error	18	11
		Waiting	19	20
		Re-hook	11	5
		Cutting	3	2
		Re-setup of guyed line	19	-
		Skyline tension checking	4	-
		Auto-choker error	9	-
		Sub	93	44
	Personal	Talking	3	1
		Rest	21	22
		Sub	24	23
		Total	149	88
Processing	Mechanical	Machine checking	9	4
		Sub	9	4
	Operational	Operating for yarding	2	19
		Waiting	87	43
		Sub	89	62
	Personal	Rest	7	5
		Sub	7	5
		Total	105	71