Referenced quoted cited 2009 irc unammended below for your convenience.
Irc 2009 garage floor slope.
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.
Aci 117 90 standard specifications for tolerances for concrete construction and materials gives a level alignment tolerance of 3 4 inch for top of slab elevation of slabs on grade.
If the slab elevation at the trench.
No slope to floor drain 2nd story.
Suggest you check local code ammendments adoptions applicable to the subject of your inquiry.
Garage door reversing informationm by request.
2009 irc code changes building.
R401 3 where 10 of yard is not available slope away from foundation with a swale is allowed.
A 2 slope will probably ensure better drainage we could also find no slope tolerance for use when a floor slope is specified.
In an enclosed garage provided a door does not swing over the stairs.
International residential code 2009 irc 2009.
Garage floor surfaces shall be of approved noncombustible material.
Impervious surfaces require 2 slope away from.
Any conditioned space above or below a garage space the garage side of the floor ceiling assembly shall be protected with no less than two layers.
Floor opening maximum projection 4 inches photo 6 cop yright 2 0 1 1 s mama.
A fl ight of stairs shall not have a vertical rise larger than 12 feet 3658.
The irc does not specify the degree of slope in 309 4 but states only that 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 most engineers specify a 1 slope or 1 8 inch per foot.
2009 international residential code.