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Performing An Ergonomics Review. Performing an Ergonomics Review. Why should I perform an ergonomics review? What is the function of an ergonomics review? How do I apply the steps involved in an ergonomics review?. What and Why. Performing an Ergonomics Review.

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slide2

Performing an Ergonomics Review

Why should I perform an ergonomics review?

What is the function of an ergonomics review?

How do I apply the steps involved in an ergonomics review?

slide3

What and Why

Performing an Ergonomics Review

There is obvious risk in this job, but by performing an ergonomics review, you’ll be able to clearly identify all the risks (not just the ones in this picture).

You’ll also be able to give detailed and dimensioned recommendations.

what is an ergonomics review

What and Why

What is an Ergonomics Review?
  • Assessment of job tasks
  • Follows the risk management process
    • Recognize
    • Evaluate
    • Control
  • Results in effective and efficient ergonomic improvements
slide6

Medical Data

Employee Survey

BRIEF

EASY

How do I do it?

Performing an Ergonomics Review

using passive surveillance
Using Passive Surveillance
  • Worker Reports/Interviews
  • Review OSHA 300 Injury and Illness Logs
  • Review Workers’ Compensation Claims
  • Plant Medical Records
  • Symptom Surveys
using active surveillance
Using Active Surveillance
  • Observations of workers performing tasks
  • Still photos/videotaping of work postures, workstation layouts
  • Workstation measurements
  • Measuring tool handle sizes, weighing tools and parts, & measuring tool vibration and part dimensions
using active surveillance1
Using Active Surveillance
  • Determining characteristics of work surfaces (i.e., slip resistance, hardness, & surface edges
  • Performing task analyses (i.e., time study)
  • Measuring exposures to heat, cold, noise, & WBV
  • Biomechanical calculations (i.e., muscle force required to accomplish task)
  • Physiological measures (i.e., heart rate, oxygen consumption)
  • Questionnaires, subjective ratings of perceived exertion
performing an ergonomics review1

Steps 1 - 4

Performing an Ergonomics Review
  • Step 1 – Select a job to review
  • Step 2 – Gather data
  • Step 3 – Analyze data
  • Step 4 – Complete the job improvement process
step 1 select a job to review
Step 1 - Select a Job to Review
  • Examine medical data from the past
  • Interview operators
  • Visually assess the jobs in the plant
step 2 gather data
Step 2 - Gather Data
  • Obtain job information
  • Perform task analysis
  • Videotape the job
  • Take still photos
  • Interview the operator
  • Gather medical data
  • Take workplace measurements
step 2 gather data1

Gather Job Information

Step 2 - Gather Data

Gather Job Information

What type of information do you need?

  • Job name
  • Department
  • Shift length
  • Production standards
  • Production mix
  • Rotation schedule
  • Total exposure time
  • Task analysis
step 2 gather data2

Perform Task Analysis

Step 2 - Gather Data

What is task analysis?

Dividing a job into its main components, for example:

  • Pull material on table
  • Cut material with knife
  • Transfer cut material to molding machine
  • Activate molding machine
  • Return to work bench
worksite analysis
Worksite Analysis

Job Hazard Analysis

  • Workers
  • Equipment
  • Materials
  • Task/Processes
  • Environment
step 2 gather data3

Videotape Job

Step 2 - Gather Data
  • Viewing angle

Top View

Front View

Side View

step 2 gather data4

Videotape Job

Step 2 - Gather Data
  • Viewing angle
  • Field of view

Top View

Close Up

Wide Angle

Side View

step 2 gather data5

Videotape Job

Step 2 - Gather Data
  • Viewing angle
  • Field of view
  • How much footage?
  • Tape all aspects of the job
  • Tape different working conditions
  • 3 cycles of the job
  • Never too much footage
step 2 gather data6

Videotape Job

Step 2 - Gather Data

What tools will you need?

  • Video camera
  • Battery charger
  • Charged batteries
  • Blank videotape
step 2 gather data7

Take Pictures

Step 2 - Gather Data
  • Lighting, angle, field of view
  • Photo quality
  • Number of photos to take
  • Two or three shots per angle (minimum)
  • Take photos of parts, tools, displays, PPE
  • Take as many photos as you can
step 2 gather data8

Take Pictures

Step 2 - Gather Data

What tools will you need?

  • Digital camera (with blank disks or a memory stick)
  • Battery charger
  • Charged batteries
slide26

Step 2 - Gather Data

Symptom Survey

step 2 gather data13

Measurements

Step 2 - Gather Data

Dimensions

Weights

Forces

step 2 gather data14

Measurements

Step 2 - Gather Data

Dimensions (side view)

  • Bench height
  • Control locations
  • Part stacking
  • Seat height
  • Product dimensions
step 2 gather data15

Measurements

Step 2 - Gather Data

Dimensions (Top view)

  • Reach distances
  • Carry distances
  • Part locations
  • Sight distances
  • Lift locations
step 2 gather data16

Measurements

Step 2 - Gather Data
  • Part / box weights
  • Tool weights

Weights

step 2 gather data17

Measurements

Step 2 - Gather Data
  • Grip forces
  • Push/pull forces
  • Control forces
step 2 gather data18

Pinch grip

  • Tape measure
  • Grip meter
  • Push/pull meter

Measurements

Step 2 - Gather Data

What tools will you need?

step 3 analyze the data

BRIEF and EASY

Step 3 - Analyze the Data

Upper Body Assessment Methods

Strain Index

ACGIH’s Threshold Limit Value (TLV) and Hand Activity Level (HAL)

ACGIH’s Hand/Arm Segmental Vibration Threshold Limit Values (TLVs)

Rapid Upper Limb Assessment (RULA)

Upper Extremity Cumulative Trauma Disorder Risk Factor Identification Checklist

GM-UAW Risk Factor Checklist

Washington State Appendix B

step 3 analyze the data1

BRIEF and EASY

Step 3 - Analyze the Data

Low Back Assessment Methods

NIOSH Revised Lifting Equation

Liberty Mutual (Snook & Ciriello) Tables for Lift/Lower, Carrying and Push/Pull Tasks

3D Static Strength Prediction Program (3D SSPP)

2D Biomechanical Analysis

ACGIH’s Lifting Threshold Lifting Values (TLVs)

Energy Expenditure Models

step 3 analyze the data2

BRIEF and EASY

Step 3 - Analyze the Data

Whole Body Assessment Methods

Ovako Working Posture Analysis System (OWAS)

Rapid Entire Body Assessment (REBA)

ACGIH’s Whole Body Vibration Threshold Limit Values (TLVs)

step 4 brainstorm controls
Step 4 - Brainstorm Controls
  • Generate as many ideas as possible
  • There are no bad ideas