Determination of Allowance Time by Work Sampling and Heart Rate in Manufacturing Plant in Juárez México
Table 3
(a) Operator “A” percentage of job severity obtained from the work sampling.
Job Severity
Heart Rate
Frequency
TOT
% Job Sev.
RW
FF
W
WO
B
MS
WC
L
GY
ED
DW
Light
<90
1
1
23
0
4
2
6
4
0
0
2
43
0.254
Moderate
90-110
2
2
83
2
1
0
0
7
3
5
0
105
0.622
Heavy
110-130
0
0
18
0
1
0
0
1
0
1
0
21
0.124
Very Heavy
130-150
0
0
0
0
0
0
0
0
0
0
0
0
0
TOT
169
1.000
RW: review the working conditions of the stations, FF: full fill process audit sheet, W: working, WO: walk to the cafeteria, B: breakfast, MS: machine shutdowns, WC: bathroom, L: lunch, GY: work calisthenics, ED: end of the day, DW: drink water.
(b) Operator “B” percentage of job severity obtained from the work sampling.
Job Severity
Heart Rate
Frequency
TOT
% Job Sev.
RW
FF
W
WO
B
MS
WC
L
GY
ED
DW
Light
<90
1
1
48
0
0
2
5
6
0
4
3
70
0.37
Moderate
90-110
1
0
74
2
6
0
0
6
3
3
0
95
0.51
Heavy
110-130
1
2
17
1
0
0
0
0
0
0
1
22
0.12
Very Heavy
130-150
0
0
0
0
0
0
0
0
0
0
0
0
0
TOT
187
1.00
(c) Operator “C” percentage of job severity obtained from the work sampling
Job Severity
Heart Rate
Frequency
TOT
% Job Sev.
RW
FF
W
WO
B
MS
WC
L
GY
ED
DW
Light
<90
3
2
35
0
3
5
5
4
0
5
1
63
0.35
Moderate
90-110
0
1
83
3
3
0
0
7
3
4
1
105
0.57
Heavy
110-130
0
0
13
0
0
0
0
1
1
0
0
15
0.08
Very Heavy
130-150
0
0
0
0
0
0
0
0
0
0
0
0
0
TOT
183
1.00
(d) Operator “D” percentage of job severity obtained from the work sampling.
