You must meet the requirements …
in this section:
Do not overload floors or roofs
Make sure that floors are safe
Make sure floors can support equipment that moves and has motion
Post approved load limits (weight limits) for floors
The introduction has important information about fire, building and electrical codes that may apply to you in addition to WISHA rules. See "How do the WISHA rules relate to fire, building and electrical codes" in the introduction section of this book.