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Minimum roof live load.
Roofs used for promenade purposes shall be designed for a minimum live load of 60 psf 2 87 kn m 2.
This minimum live load is in addition to the dead load that the roof must bear.
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Minimum roof live loads nscp roof slope 1.
Arch or dome with rise 1 8 of span to less than 3 8 of span.
1 2d 1 0e l 0 2s when h loads are present they shall have 6.
Roofs used for other special purposes shall be designed for appropriate loads as directed or approved by the commissioner.
Roofs used for roof gardens or assembly purposes shall be designed for a minimum live load of 100 psf 4 79 kn m 2.
Rise 1 vertical per 3 horizontal to less than 1 horizontal.
Arch or dome with rise less 1 8 of span.
Rise 1 vertical to 1 horizontal.
0 9d 1 0w a load factor of 1 6 when adding to load 7.
Acknowledges the work of the minimum design loads on buildings and other structures standards committee of the codes and standards activities division of the structural engineering institute.
However if the attic is intended for storage the attic live load or some portion should also be considered for the design of.
Flat or rise less than 1 vertical to 3 horizontal.
Minimum uniformly distributed live loads adapted from sei asce 7 10.
Per api 650 5 2 1f the minimum roof live load on the horizontal projected area of the roof is to be 20lb ft 2 or may be determined by asce 7 but shall not be roof live load storage tank engineering eng tips.
Arch or dome with rise 3 8 of span or greater.
0 9d 1 0e effect or 0 9 when resisting the load when permanent.
Where uniform roof live loads are reduced to less than 20 psf 0 96 kn m2 in accordance with section 1607 12 2 1 and are applied to the design of structural members arranged so as to create continulty the reduced roof live load shall be applied to adjacent spans or to alternate spans whichever produces the most unfavorable load effect.
