Code of Massachusetts Regulations
521 CMR - Architectural Access Board
Title 521 CMR 2 - Purpose and Scope
Section 2.4 - GENERAL CONVENTIONS
Current through Register 1531, September 27, 2024
The following conventions apply when using 521 CMR:
2.4.1 Graphic and other illustrations are provided in 521 CMR to illustrate a solution only. They are not to be taken as the best solution or the only solution, but are provided to clarify the intent of the written regulations. The written word always prevails.
2.4.2 Graphic conventions are shown in Figure 2a. Dimensions that are not marked minimum or maximum shall comply with 521 CMR 2.4.4, unless otherwise noted in the text or captions.
2.4.3 Words italicized in the text indicate that a definition of that word is provided in 521 CMR 5.00: DEFINITIONS.
2.4.4 Tolerances on all dimensions, unless otherwise noted, shall not exceed the following:
Note: Tolerances do not apply to minimums or maximums.
2.4.5 When a percentage is calculated to determine the number of accessible elements, if the number ends in a fraction of five-tenths (.5) or more, the number shall be rounded up to the next whole number. If the number ends in a fraction less than five-tenths (.5), the number shall be rounded down.
2.4.6 When calculating the conversion from inches to millimeters (using 1"=25.4mm), if the number ends in a fraction of five-tenths (.5) or more, the number shall be rounded up to the next whole number. If the number ends in a fraction less than five-tenths (.5), the number shall be rounded down.