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Washington Residential Appliance Installer License Prep Class: Installing Appliances for a Clearer Future

As we strive for a more accessible society, it's essential to understand the graphic conventions used in the ADA Standards for Accessible Design. These standards provide a set of guidelines for designing and constructing buildings and facilities that are inclusive for individuals with disabilities.

The table below outlines some of the key graphic conventions used in the ADA Standards (Table 1: Miscellaneous Instructions and Definitions).

| Graphic Conventions | Description |

| --- | --- |

| Dimensioning | Dimensions are shown using lines, arrows, or symbols. |

| Approach Direction | The direction of approach is denoted by an arrow pointing towards the facility. |

| Centerline Designation | The centerline of a path or area is designated with a dotted line. |

| Clear Floor Area Boundary | The boundary of a clear floor area is marked with a dashed line. |

The ADA Standards allow for equivalent facilitations, where alternative designs and technologies can be used to provide substantially equivalent or greater access to and usability of the facility.

In designing accessible spaces, it's essential to consider adult dimensions and anthropometrics. Copies of the standard may be purchased from the American National Standards Institute (ANSI) at 1430 Broadway, New York, NY 10018.

The illustrations and text of ANSI A117.1 are reproduced with permission from ANSI. However, sections 4.1.1 through 4.1.7 and sections 5 through 10 differ significantly from the American National Standard Institute's document A117.1-1980 and are printed in standard type.

These guidelines are to be applied during the design, construction, and alteration of buildings and facilities to the extent required by regulations issued by Federal agencies, including the Department of Justice, under the Americans with Disabilities Act of 1990.

In summary, understanding graphic conventions is crucial for designing accessible spaces that cater to individuals with disabilities. By following these guidelines, we can create a more inclusive environment for everyone.

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