What category do surchages fall under in the IBC load combinations? If you have a strip surcharge from a building, do you split the dead and live loads up or would the resulting load applied to the retaining wall be H? IBC 1610.1 "Design lateral pressure from surcharge loads shall be added to the lateral earth pressure load" is interepretd in our office two ways, any surcharge load is classified as H or make sure you include it in your design in combination with H. Thanks
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