british columbia building code 2006 question

huangyhg

british columbia building code 2006 question
we are doing some preliminary design work for a canadian project, and have limited experience with the bc building code.  it appears that the all of the load combinations are limit state combinations (lrfd) - there are no service load combinations.  when designing foundations for overturning / sliding, how do you design based on limit state design - anyone had any experience with this?  we aren't having much luck finding info about how to address foundation stability in the building code.  my thinking was that maybe you just use the factored loads and don't apply safety factors?  however, it doesn't explicitly say that.  any help would be greatly appreciated - thanks!
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foundation design as per new concrete code which should be similar for all provinces required foundation to be checked for sls and uls i.e. serviciability limit state and ultimate limit state. secondly for overturning code says that 0.9 times the dead load you can check for with other load combinations i.e wind or seismic. national building code of canada is universal for all over canada, there should be no different methods of foundation design,
you can buy a book, reinforced concrete mechanics and design (first canadian edition) by james g. mac gregor and f. michael bartlett isbn 013101403-x. it's an excellent book explaining concrete design by canadian code.