This is a chart that we put together to facilitate the calculations that may be necessary for Elevator Inspectors, Elevator Consultants, Elevator Enforcement Authorities and anyone else that utilizes the ASME A17.1-2000 SAFETY CODE FOR ELEVATORS AND ESCALATORS or later editions of this code.
While we view this as a tool to assist the user, it is not intended to replace any of the specific code requirements. For many years the ASME A17.1 SAFETY CODE FOR ELEVATORS AND ESCALATORS contained both imperial (customary) and metric (SI) units. Previously, the committee policy was to encourage steps toward metrication of the Code. With the efforts towards harmonization of this code, the emphasis has been toward hard metric (SI) units wherever practical along with the acceptable equivalent imperial units being shown in parenthesis. The 2000 edition of the ASME A17.1 SAFETY CODE FOR ELEVATORS AND ESCALATORS was the result of a joint effort between the ASME A17 Elevator and Escalator Committee and the CSA B44 Technical Committee to harmonize requirements between the ASME A17.1 Safety Code for Elevators and Escalators and the CSA B44 Safety Code for Elevators.
With the release of the 2000 edition of the A17.1 SAFETY CODE FOR ELEVATORS AND ESCALATORS the switch was made to the use of hard metric (SI) units wherever practical. There are some tables related to speed and load that use the hard metric and the hard imperial units in common practice, even though they are not exactly equivalent. Care should be used to insure the correct code requirements are identified and enforced as these table values have been derived from the various sections of the A17.1 SAFETY CODE FOR ELEVATORS AND ESCALATORS, which means that the values may not be exact due to how the metric conversions were performed in the code.
We invite all Elevator Inspectors, Elevator Consultants, Elevator Enforcement Authorities and anyone else that have a need to utilize the ASME A17.1 SAFETY CODE FOR ELEVATORS AND ESCALATORS to please feel free to print and use this Conversion Factor Chart in the performance of their work. Hopefully it will prove as useful to you as it has for us.
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