R103 — Conventions
R103.1 Conventional Industry Tolerances. All dimensions are subject to conventional industry tolerances except where requirements are stated as a range with specific minimum or maximum endpoints. R103.2 Calculation of Percentages. Where the required number of elements or facilities to be provided is determined by calculations of ratios or percentages and remainders or fractions result, the next greater whole number of such elements or facilities shall be provided. R103.3 Units of Measurement. Measurements are stated in U.S. customary units and metric units. The values stated in each system (U.S. customary units and metric units) may not be exact equivalents, and each system shall be used independently of the other. Slopes are expressed in terms of both ratios and percentages. Ratios and percentages may not be exact equivalents, and each shall be used independently of the other.