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APPENDIX 3.

Time tables on pre-skidding and skidding operations

environmentally sound forest harvesting system

cutting unit B/G09

     

work elements

%

classification

%

 

%

Attach log - cable (MW)

20.00

Main Work Time (MW)

49.26

Work

93.25

Winching (MW)

23.28

   

Time

 

Unhook (MW)

5.98

   

(WT)

 

Move to concentration

point (CW)

12.26

Complementary Work Time (CW)

20.54

   

Others (handling/clearing) (CW)

1.05

       

Bucking (CW)

7.23

       
   

Productive Work Time (PW)

69.80

   

Movement on trail or road (RL)

1.36

Preparatory Time (PT)

5.13

   

Preparations (OP)

0.67

       

Cutting obstacles (OP)

2.81

       

Considerations (OP)

0.29

       

Repair time (RT)

6.42

Service Time (ST)

6.42

   

Skid trail opening (AW)

11.90

Ancillary Work Time (AW)

11.90

   
   

Supportive Work Time (SW)

23.45

   

Rest/personal time (RP)

0.27

Work-Related Delay Time (WD)

6.75

Non-

6.75

Hanging tree + bucking (IT)

2.79

   

Work

 

Delays (IT)

3.69

   

Time

 
       

(NT)

 

Workplace Time (WP)

       

100.00

The total workplace time observed (excluding meal time) amounted to 11 h 35 min 24 sec.

environmentally sound forest harvesting system

cutting unit B/G09

     

work elements

%

classification

%

 

%

Attach log - grapple (MW)

20.93

Main work Time (MW)

69.49

Work

95.32

Skidding (MW)

32.98

   

Time

 

Landing operation (MW)

15.58

   

(WT)

 

Move to concentration

19.45

Complementary Work Time (CW)

19.45

   

point (CW)

         
   

Productive Work Time (PW)

88.94

   

Considerations (OP)

0.62

Preparatory Time (PT)

0.62

   

Repair time (RT)

---

Service Time (ST)

5.76

   

Maintenance time (MT)

1.90

       

Refuel time (RF)

3.86

       
   

Supportive Work Time (SW)

6.38

   

Rest/personal time (RP)

3.98

Work-Related Delay Time (WD)

4.68

Non-

4.68

Delays (IT)

0.70

   

Work

 
       

Time

 
       

(NT)

 

Workplace Time (WP)

       

100.00

The total workplace time observed (excluding meal time) amounted to 5 h 36 min 46 sec.

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