TABLE 2
PLAN LOAD EFFECT PENALTIES FOR IRREGULARITIES FOR
IRREGULARITY CATEGORIES D, E & F (Expressed as percentage increase of
regular load effects)
        D E & F
1. Torsion                            * Tors. Moment max increase 36% Tors. Moment max increase 36%
(a) Torsional    
>2storey    
                   
(b) Extreme Torsion           * Tors. Moment up to 200% Not Permitted
> 2 storey    
                   
2. Reentrant Corners         * 25% increase in diaphragm 25% increase in diaphragm
> 2 storey connection forces connection forces
               
3. Diaphragm Discontinuity 25% increase in diaphragm 25% increase in diaphragm
        connection forces connection forces
4. Out of Plane Offsets 25% increase in diaphragm 25% increase in diaphragm
        connection forces   connection forces
5. Non - Parallel System add 30% of the perpendicular add 30% of the perpendicular
directions load effect directions load effect
* Not applicable to single storey structures in any category
Not applicable to 2 storey structures in category D & above