I checked several citations of the international building code and there was language that garage floors must slope to the door so liquids drain to the door or to a drain.
International building code garage floor slope.
The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process.
Appliances located in private garages shall be installed with a minimum clearance of 6 feet above the floor.
2020 colorado code consulting llc 1 2018 international residential code chapter 3 building planning.
The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.
Where the minimum per ibc section 406 1 3 is stated as the area of floor used for parking of automobiles or other vehicles shall be sloped to facilitate the movement of liquids to a drain or toward the main vehicle entry doorway.
The ibc international building code vaguely addresses this issue.
If bollards or stanchions are not installed then the unit must be raised 6 feet above the garage floor per irc g2408 3 305 5.
The command has been given.