Before any foundations can be defined, you must specify the load combinations to consider. These may be created manually as User Defined Load Combinations or Code Generated Combinations can be utilized.

• Select Combinations > Generate for Concrete.
  
• Select IBC 2006 (BS 8110 1997) from the Code Combo list box.
• Type 0.5 for Live Load Factor
• Type 1.113 for Sds.
• Set Rho to Use Calculated.
• Choose reduced snow factor…
• Click [Generate].

  The Load Combinations box should be filled with load combinations and each should be checked to Use.

• Click [OK].
• Select Combinations > Generate for Concrete.
• Select IBC 2006/ASCE7-05 (BS 8110 1997) from the Code Combo list box.
• Type 1.113 for Sds.
• Used Reduced factor for snow…
• Set Rho to Use Calculated.
• Click [Generate] and click [OK].