California Residential Floor Loading
California residential code 2016 adopts with amendments.
California residential floor loading. If there s wall board covered ceiling suspended from the underside of that floor the dead load increases to about 10 pounds per square foot. The dead load on a floor is determined by the materials used in the floor s construction. Slag or blended cements that is included in concrete mixtures for garage floor slabs and for exterior. 2 5 kn m2 for floors above ground floor and 3 0 kn m2 at or below ground floor over may be more appropriate with 7 5 kn m2 over 5 of the floor area to allow for future flexibility.
The weight of the partition is listed in the architectural graphic standards as 10 pounds per square foot. International residential code 2015 irc 2015. The ontario building code full and partial loading 4 1 5 3. 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.
Table r502 3 1 1 shall be used to determine the maximum allowable span of floor joists that support sleeping areas and attics that are accessed by means of a fixed stairway in accordance with section r311 7 provided that the design live load does not exceed 30 pounds per square foot 1 44 kpa and the design dead load does not exceed 20 pounds per square foot 0 96 kpa. 0 9d 1 0w a load factor of 1 6 when adding to load 7. A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot. 0 9d 1 0e effect or 0 9 when resisting the load when permanent.
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. For example a floor joist at 16 spacing s that can carry 53 pounds per linear foot would translate into a 318 pound single point load at its center. For example historically uk office buildings have been designed and marketed with live loadings of 3 5 4 0 kn m2 however this may be an over provision. Minimum uniformly distributed live loads adapted from sei asce 7 10.
Live and dead loads are given in the building code. Full and partial loading 1 the uniformly distributed live load shall be not less than the value listed in table 4 1 5 3 which may be reduced as provided in article 4 1 5 8 applied uniformly over the entire area or on any portions of the area whichever produces the most critical effects in the members concerned. However if the attic is intended for storage the attic live load or some portion should also be considered for the design of. Minimum design loads for buildings and other structures location uniform load psf kn m2 apartments see residential access floor systems office use.
Location and configuration of heavy loads should be looked at on a case by case basis. Design loads for residential buildings 3 1 general. B first floor girder conditions. For especially heavy loads it is recommended to have a structural engineer research the floor framing.