ORS Approximate Scales Showcard

August 2023

OMB #1220-0189

Approximate Scales Showcard
Occupational Requirement Survey (ORS)
The ORS captures duration, or total time, workers spend actively performing a certain physical demand or are exposed
to a specific environmental condition, while performing critical tasks. The following scales are intended to assist
respondents provide data on duration, based on four example weekly work schedules.

Approximate Scale – 8 hours per day, 40 hours per week
Percent
Up to 2%
2% up to 1/3
1/3 up to 2/3
2/3 or more

Daily
Less than 10 minutes
10 minutes up to 2 ½ hours
2 ½ hours up to 5 ½ hours
5 ½ hours or more

Weekly
Less than 45 minutes
45 minutes up to 13 hours
13 hours up to 3 ½ days
3 ½ days or more

Approximate Scale – 10 hours per day, 40 hours per week
Percent
Up to 2%
2% up to 1/3
1/3 up to 2/3
2/3 or more

Daily
Less than 12 minutes
12 minutes up to 3 ½ hours
3 ½ hours up to 6 ½ hours
6 ½ hours or more

Weekly
Less than 45 minutes
45 minutes up to 13 hours
13 hours up to 2 ½ days
2 ½ days or more

Approximate Scale – 4 hours per day, 20 hours per week
Percent
Up to 2%
2% up to 1/3
1/3 up to 2/3
2/3 or more

Daily
Less than 5 minutes
5 minutes up to 1 ½ hours
1 ½ hours up to 2 ½ hours
2 ½ hours or more

Weekly
Less than 25 minutes
25 minutes up to 6 ½ hours
6 ½ hours up to 13 ½ hours
13 ½ hours or more

Approximate Scale – 5 hours per day, 20 hours per week
Percent
Up to 2%
2% up to 1/3
1/3 up to 2/3
2/3 or more

Daily
Less than 6 minutes
6 minutes up to 1 ½ hours
1 ½ hours up to 3 ½ hours
3 ½ hours or more

Weekly
Less than 25 minutes
25 minutes up to 6 ½ hours
6 ½ hours up to 13 ½ hours
13 ½ hours or more