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eLibrary > BIFMA G1-2013 Ergonomics Guideline for Furniture Used in Office Work Spaces Designed for Computer Use >

BIFMA G1-2013 Ergonomics Guideline for Furniture Used in Office Work Spaces Designed for Computer Use, 2013

Cover
Preamble
Table of Contents
1 FOREWARD
2 SCOPE
3 PRODUCT EVALUATION STATEMENTS
4 LIMITATIONS
5 DEFINITIONS
6 GENERAL CONSIDERATIONS [Go to Page]
6.1 GUIDELINE LAYOUT
6.2 ANTHROPOMETRIC DATA SOURCE
6.3 CHAIR MEASUREMENT
6.4 MEASUREMENT TOLERANCE
6.5 WORKING POSTURES
7 THE WORK CHAIR [Go to Page]
7.1 SEAT [Go to Page]
7.1.1 Seat Height
7.1.2 Seat Depth
7.1.3 Seat Width
7.1.4 Seat Pan Angle
7.2 BACKREST [Go to Page]
7.2.1 Backrest Height
7.2.2 Backrest Width
7.2.3 Lumbar Support
7.3 MOVEMENTS OF THE SEAT PAN AND BACKREST
7.4 ARMRESTS [Go to Page]
7.4.1 Armrest Height
7.4.2 Armrest Length and Position
7.4.3 Inside Distance Between Armrests -- Sitting
8 WORK SURFACES [Go to Page]
8.1 CLEARANCES UNDER WORK SURFACES FOR SEATED WORK [Go to Page]
8.1.1 Height Clearance for Legs - Sitting
8.1.2 Depth Clearance for Knees - Sitting
8.1.3 Width Clearance for Legs - Sitting
8.1.4 Height Clearance at Foot Level - Sitting
8.1.5 Depth Clearance at Foot Level - Sitting
8.1.6 Summary of Clearances Under Work Surfaces for Seated Work
8.2 CLEARANCES UNDER WORK SURFACES FOR STANDING WORK [Go to Page]
8.2.1 Height Clearance for Feet - Standing
8.2.2 Depth Clearance for Feet - Standing
8.2.3 Width Clearance for Feet - Standing
8.2.4 Summary of Clearances Under Work Surfaces for Standing Work
8.3 SUPPORT SURFACE HEIGHTS FOR INPUT DEVICES FOR SEATED AND STANDING WORK [Go to Page]
8.3.1 Support Surface Height for Input Devices - Sitting
8.3.2 Support Surface Height for Input Devices - Standing
8.4 Monitor Placement [Go to Page]
8.4.1 Distance to Monitor - Sitting or Standing
8.4.2 Monitor Height Range - Sitting and Standing
9 OTHER RELATED TOPICS [Go to Page]
9.1 LAPTOPS
9.2 MULTIPLE MONITORS
10 SUMMARY OF GUIDELINE - DIMENSIONS & ADJUSTMENT RANGES
11 OTHER RELEVANT PRINCIPLES FROM ISO 9241-5
12 RECOMMENDED READING
APPENDIX A – ANTHROPOMETRIC MEASUREMENT METHODOLOGY
APPENDIX B1 – EMPIRICAL PERCENTILE TABLES – MALES / METRIC
APPENDIX B2 – EMPIRICAL PERCENTILE TABLES – FEMALES / METRIC
APPENDIX B3 – EMPIRICAL PERCENTILE TABLES – MALES / ENGLISH
APPENDIX B4 – EMPIRICAL PERCENTILE TABLES – FEMALES / ENGLISH
PREFACE TO APPENDIX C FROM THE BIFMA G1 ERGONOMICS SUBCOMMITTEE
APPENDIX C – INFORMATIVE – MULTIVARIATE CONSIDERATIONS IN SELECTING CHAIR DIMENSIONS BASED ON ANTHROPOMETRY
Figures [Go to Page]
FIGURE 1 – CMD (BIFMA - CHAIR MEASURING DEVICE)
FIGURE 2 – TYPICAL WORKING POSTURES
FIGURE 3 – POPLITEAL HEIGHT
FIGURE 4 – BUTTOCK-POPLITEAL LENGTH
FIGURE 5 – HIP BREADTH, SITTING
FIGURE 6 – TENTH RIB MIDSPINE, SITTING
FIGURE 7 – ACROMIAL HEIGHT, SITTING
FIGURE 8 – BI-CRISTALE BREADTH, STANDING
FIGURE 9 – ELBOW HEIGHT, SITTING
FIGURE 10 – ABDOMINAL EXTENSION DEPTH
FIGURE 11 – HIP BREADTH, SITTING
FIGURE 12 – THIGH HEIGHT
FIGURE 13 – POPLITEAL HEIGHT
FIGURE 14 – KNEE HEIGHT
FIGURE 15 – BUTTOCK-KNEE LENGTH
FIGURE 16 – ABDOMINAL EXTENSION DEPTH
FIGURE 17 – BI-LATERAL FEMORAL EPICONDYLE BREADTH, SITTING
FIGURE 18 – LATERAL MALLEOLUS HEIGHT
FIGURE 19 – BUTTOCK-POPLITEAL LENGTH
FIGURE 20 – FOOT LENGTH
FIGURE 21 – ABDOMINAL EXTENSION DEPTH
FIGURE 22 – SEATED CLEARANCE ENVELOPE BASED ON 95TH PERCENTILE MALE DIMENSIONS
FIGURE 23 – LATERAL MALLEOLUS HEIGHT
FIGURE 24 – HIP BREADTH, SITTING
FIGURE 25 – CLEARANCE AT FEET ENVELOPE, STANDING
FIGURE 26 – POPLITEAL HEIGHT
FIGURE 27 – ELBOW HEIGHT, SITTING
FIGURE 28 – FOREARM TO THIGH SPACE
FIGURE 29 – ELBOW HEIGHT, STANDING
FIGURE 30 – SEATED VERTICAL VIEWING ANGLES
FIGURE 31 – OPTIMUM HORIZONTAL POSITION OF MONITOR SITTING & STANDING
FIGURE 32 – OPTIMUM VERTICAL POSITION OF MONITOR STANDING
FIGURE 33 – EYE HEIGHT, SITTING
FIGURE 34 – POPLITEAL HEIGHT
FIGURE 35 – NON-RECOMMENDED LAPTOP POSITIONING
FIGURE 36 – RECOMMENDED LAPTOP POSITIONING
FIGURE A1 – 5-ZONE STRATIFICATION
FIGURE A2 – 16-ZONE STRATIFICATION
FIGURE C1 – BIVARIATE DISTRIBUTION
FIGURE C2 – PLOT SHOWING TRADEOFF BETWEEN TWO SEAT DIMENSIONS AND OVERALL ACCOMMODATION
FIGURE C3 – THE PERCENTAGE OF TARGET USER POPULATION THAT IS ACCOMMODATED FOR DIFFERENT SEAT HEIGHT ADJUSTMENT RANGES
FIGURE C4 – ILLUSTRATION OF PERCENTILES OF SEATED HIP BREADTH
FIGURE C5 – SCHEMATIC ILLUSTRATION OF PCA IN TWO DIMENSIONS
Tables [Go to Page]
TABLE 1 SEAT HEIGHT
TABLE 2 SEAT DEPTH
TABLE 3 HIP BREADTH, SITTING
TABLE 4 TENTH RIB MIDSPINE, SITTING
TABLE 5 ACROMIAL HEIGHT, SITTING
TABLE 6 BI-CRISTALE BREADTH, STANDING
TABLE 7 ELBOW HEIGHT, SITTING
TABLE 8 ABDOMINAL EXTENSION DEPTH
TABLE 9 HIP BREADTH, SITTING
TABLE 10 HEIGHT CLEARANCE FOR LEGS AT THE FRONT EDGE OF THE WORK SURFACE - SITTING
TABLE 11 HEIGHT CLEARANCE FOR KNEES - SITTING
TABLE 12 DEPTH CLEARANCE FOR KNEES - SITTING
TABLE 13 WIDTH CLEARANCE FOR LEGS
TABLE 14 HEIGHT CLEARANCE AT FOOT LEVEL
TABLE 15 DEPTH CLEARANCE AT FOOT LEVEL
TABLE 16 CLEARANCE ENVELOPE FOR SEATED WORK
TABLE 17 HEIGHT CLEARANCE FOR FEET
TABLE 18 HIP BREADTH, SITTING
TABLE 19 CLEARANCE ENVELOPE FOR STANDING WORK
TABLE 20 INPUT DEVICES SUPPORT SURFACE HEIGHT FOR SEATED WORK
TABLE 21 INPUT DEVICES SUPPORT SURFACE HEIGHT FOR STANDING WORK
TABLE 22 MONITOR HEIGHT (FROM FLOOR), SITTING
TABLE 23 MONITOR HEIGHT (FROM FLOOR), STANDING
TABLE A1 NATICK VS CAESAR ANTHROPOMETRIC MEASUREMENTS
TABLE A2 16-ZONE VARIABLES AND CATEGORIES
TABLE A3 WHITE FEMALE CAESAR SUBJECT STRATIFICATION WEIGHTS
TABLE A4 BLACK FEMALE CAESAR SUBJECT STRATIFICATION WEIGHTS
TABLE A5 OTHER FEMALE CAESAR SUBJECT STRATIFICATION WEIGHTS
TABLE A6 WHITE MALE CAESAR SUBJECT STRATIFICATION WEIGHTS
TABLE A7 BLACK MALE CAESAR SUBJECT STRATIFICATION WEIGHTS
TABLE A8 OTHER MALE CAESAR SUBJECT STRATIFICATION WEIGHTS
TABLE B1 EMPIRICAL PERCENTILE TABLES – MALE / METRIC
TABLE B2 EMPIRICAL PERCENTILE TABLES – FEMALE / METRIC
TABLE B3 EMPIRICAL PERCENTILE TABLES – MALE / ENGLISH
TABLE B4 EMPIRICAL PERCENTILE TABLES – FEMALE / ENGLISH
TABLE C1 RESULTS OF VIRTUAL FIT TESTING USING 2 VARIABLES
TABLE C2 RESULTS OF VIRTUAL FIT TESTING USING 5 VARIABLES
TABLE C3 QUANTILES OF BODY DIMENSIONS WITHOUT ALLOWANCES [Go to Page]

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