APPENDIX 2. TIME STUDY DATA FOR FELLING OPERATIONS

Conventional logging system Sample unit Plot/01
Work elements	%	Classification	%		%
Felling (MW)	14.65	Main work Time (MW)	28.07	Work	90.28
Bucking/delimbing (MW)	13.41			Time
Location of tree (CW)	14.49	Complementary Work Time (CW)	23.97	(WT)
Felling preparations (CW)	9.48
		Productive Work Time (PW)	52.04
Instructions / cruising (PL)	5.87	Preparatory Time (PT)	13.05
Considerations (OP)	7.18
Repair time (RT)	0.00	Service Time (ST)	21.35
Maintenance time (MT)	17.95
Refuel time (RF)	3.40
Site clearing (AW)	2.08	Ancillary Work Time (AW)	3.84
Cut free saw (AW)	0.79
Others (AW)	0.97
		Supportive Work Time (SW)	38.24
Rest time (RP)	5.40	Work-Related Delay Time (WD)	9.72	Non-	9.72
Personal time (RP)	4.01			Work
Delays (IT)	0.31			Time
				(NT)
Workplace Time (WP)					100.00
The total workplace time observed (excluding meal time) amounted to 9 h 15 min 39 sec.

Planned harvesting system Sample unit Plot/02
Work elements	%	Classification	%		%
Felling (MW)	15.91	Main work Time (MW)	32.40	Work	86.30
Bucking/delimbing (MW)	16.49			Time
Location of tree (CW)	12.88	Complementary Work Time (CW)	27.23	(WT)
Felling preparations (CW)	14.35
		Productive Work Time (PW)	59.63
Instruction (PL)	0.00	Preparatory Time (PT)	6.02
Considerations (OP)	6.02
Repair time (RT)	0.00	Service Time (ST)	17.06
Maintenance time (MT)	13.31
Refuel time (RF)	3.75
Site clearing (AW)	3.59	Ancillary Work Time (AW)	3.59
Cut free saw (AW)	0.00
Others (AW)	0.00
		Supportive Work Time (SW)	26.67
Rest time (RP)	10.16	Work-Related Delay Time (WD)	12.43	Non-	13.70
Personal time (RP)	2.27			Work
Injuries / visitors etc. (DT)	1.27	Disturbance Time (DT)	1.21	Time
				(NT)
Workplace Time (WP)					100.00
The total workplace time observed (excluding meal time) amounted to 8 h 01 min 10 sec.