This Standard specifies dimensional requirements for the application of relevant ISO 9241-5, 9241-302, and 9241-303 measurable ergonomics principles to the design of furniture used in spaces designed for computer use. Most of the requirements are based on relevant 5th percentile female to the 95th percentile male body dimensions. This Standard only applies to the furniture designed for computer use. Other products may conform to ergonomics design principles but are not covered in this Standard. This Standard does not contain the tests and acceptance levels for the mechanical safety, durability, and structural adequacy of furniture products. These requirements are provided in other BIFMA standards.

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PDF Pages	PDF Title
1	Cover
2	American National Standard
4	Foreword
5	Table Of Contents
9	1 Introduction 1.1 Structure of this Standard
10	2 Scope 2.1 Statement of Scope 2.2 Scope of Application 2.3 Intended Users
11	3 Definitions
13	Figures Figure 1: Frankfort Plane
16	Figure 2: Seat Waterfall
18	4 Cited Documents
21	5 Anthropometric Data 5.1 Anthropometric Data Source 5.2 Weighting the Dataset 5.3 Anthropometric Data Analysis Tool
22	6 Limitations
23	7 Measurement Methods for Conformance 7.1 General 7.2 Work Chair Conformance
24	7.3 Worksurface Conformance Figure 3: ISO CMD
26	Figure 4: Clearance Envelope – Seated Tables Table 1: Measurements for Clearance Envelope – Seated
27	Figure 5: Clearance Box Placement Under the Worksurface – Front View
28	Figure 6: Vertical Alignment of Clearance Box with the Worksurface Primary Edge – Side View
29	Figure 7: Clearance Envelope for Feet – Standing Table 2: Measurements for Clearance Envelope – Standing
33	8 Work Chair 8.1 Seat
36	8.2 Backrest
37	8.3 Backrest-to-Seat Angle
38	8.4 Armrests
40	8.5 Work Chair Base
41	8.6 Controls
42	9 Worksurface 9.1 Clearance Envelope – Seated
45	9.2 Clearance Envelope – Standing
46	9.3 Worksurface Height for Input Devices
49	9.4 Controls
50	9.5 Finish of the Worksurface
51	9.6 Worksurface Primary Edge Radius Figure 8: Worksurface Primary Edge Radius
52	10 Monitor Screen Placement 10.1 Distance to Monitor Screen – Seated or Standing
53	10.2 Monitor Screen Height Range – Seated 10.3 Monitor Screen Height Range – Standing
54	11 Summary of Requirements Table 3: Requirements for Work Chair Dimensions and Adjustment Ranges
57	Table 4: Requirements for Worksurface and Monitor Screen Placement Dimensions and Adjustment Ranges
60	Annex A [Normative]: Reference Postures and Work Postures
61	Figure A.1: Reference Posture for Seated Parameters
62	Figure A.2: Reference Posture for Standing Parameters
63	Figure A.3: Typical Work Postures
64	Table A.1: Examples of Factors for the Selection of Appropriate Postures
65	Annex B [Normative]: Other Work Chair and Worksurface Parameters
67	Annex C [Informative]: Guidance for Worksurface Height and Adjustment Ranges for Input Devices
68	Figure C.1.A: Lowest Height of Height Adjustable Worksurface Too High for User Figure C.1.B: Highest Height of Height Adjustable Worksurface Too Low for User
69	Figure C.2: Raised Seat Height with a Footrest
70	Figure C.3: Addition of an Adjustable Keyboard Tray to Lower Worksurface Height of Input Device
71	Figure C.4: Addition of an Adjustable Keyboard Tray to Raise Worksurface Height of Input Device
73	Annex D [Informative]: Guidance for Positioning a Large/Wide Monitor, Multiple Monitors, and Laptop
74	Figure D.1: Awkward Head and Neck Postures while Using a Laptop
75	Figure D.2: Appropriate Upper Body Postures while Using a Laptop
76	Annex E [Informative]: Large Occupant Data
77	Table E.1: Large Occupant Data………………………………………..………………………………………
78	Annex F [Informative]: Guidance for Accommodating Individual Users
79	Table F.1: Body Dimensions and Allowances for Use in Calculation of Work Chair Parameters Table F.2: Body Dimensions and Allowances for Use in the Calculation of Worksurface Parameters
80	Annex G [Informative]: Background Information for Requirements
81	Figure G.1: Popliteal Height
82	Table G.1: Seat Height
83	Figure G.2: Buttock- Popliteal Length
84	Table G.2: Seat Depth
85	Figure G.3: Hip Breadth, Sitting Table G.3: Hip Breadth, Sitting
87	Figure G.4: Tenth Rib Midspine, Sitting Table G.4: Tenth Rib Midspine, Sitting
91	Figure G.5: Elbow Height, Sitting Table G.5: Elbow Height, Sitting
93	Figure G.6: Hip Breadth, Sitting Table G.6: Inside Distance Between Armrests
96	Figure G.7: Thigh Height
97	Figure G.8: Popliteal Height
98	Figure G.9: Knee Height
99	Table G.7: Height Clearance for Legs at the Primary Edge of the Worksurface – Seated
100	Table G.8: Height Clearance for Knees – Seated
101	Figure G.10: Buttock-Knee Length
102	Figure G.11: Abdominal Extension Depth
103	Table G.9: Depth Clearance for Knees – Seated
104	Figure G.12: Bi-lateral Femoral Epicondyle Breadth, Sitting
105	Table G.10: Width Clearance for Legs
106	Figure G.13: Lateral Malleolus Height
107	Table G.11: Height Clearance at Foot Level
108	Figure G.14: Buttock-Popliteal Length
109	ANSI/Ergonomics Requir ements for Furniture Designed for Computer Use BIFMA X10.1-2024 7 Figure G.15: Foot Length
110	Figure G.16: Abdominal Extension Depth
111	Table G.12: Depth Clearance at Foot Level
112	Figure G.17: Lateral Malleous Height
113	Table G.13: Height Clearance for Feet
114	Figure G.18: Hip Breadth, Sitting
115	Table G.14: Width Clearance for Feet – Standing
116	Figure G.19: Popliteal Height
117	Figure G.20: Elbow Height, Sitting
118	ANSI/Ergonomics Requir ements for Furniture Designed for Computer Use BIFMA X10.1-2024 8 Table G.15: Worksurface Height for Input Devices – Seated
120	Figure G.21: Forearm-to-Thigh Space
121	Figure G.22: Elbow Height, Standing
122	Table G.16: Worksurface Height for Input Devices – Standing
124	Table G.17: Worksurface Height for Input Devices – Seated to Standing
125	Figure G.23: Buttock-Popliteal Length
126	Figure G.24: Foot Length
127	Figure G.25: Abdominal Extension Depth
128	Table G.18: Depth Clearance at Foot Level
131	Figure G.26: Eye Height, Sitting
132	Figure G.27: Popliteal Height
133	Table G.19: Monitor Screen Height (from Floor) – Seated
134	Figure G.28: Stature
135	Figure G.29: Sitting Height Figure G.30: Eye Height, Sitting
136	Table G.20: Monitor Screen Height (from Floor) – Standing………………………..………………..………

Published By	Publication Date	Number of Pages
BIFMA	2024	136


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Standard Title	ANSI/BIFMA X10.1-2024 – Ergonomics Requirements for Furniture Designed for Computer Use
Published Code	BIFMA
Publication Date	2024
Pages Count	136

BIFMA X10.1 2024

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