For symbols not defined in this section, refer to Ch 1, Sec 4. 
                     
                     
                     
                     P : Pressure applied on the considered superstructure side or deck, in
                        kN/m
2
                        
                        
                           - P = PD for external decks, 
                           
 
                           - P = Pdl for unexposed deck, 
                           
 
                           - P = PSI for superstructure side.
                           
 
                        
                        
                      
                     
                     
                     
                     
                        PD : Lateral pressure for exposed decks, in kN/m2, as
                        defined in Ch 4, Sec 5, [2] and in Ch 4, Sec 5, [4.2]. 
                     
                     
                     
                     
                     Pdl : Lateral pressure for unexposed decks, in
                        kN/m2, as defined in Ch 4, Sec 6, [5]. 
                     
                     
                     
                     
                     PSI : Lateral pressure for superstructure side, in
                        kN/m2, as defined in Ch 4, Sec 5, [4.3]. 
                     
                     
                     
                     
                     PFB : Lateral pressure for side shell plating, in
                        kN/m2, affected by bow impact requirements according to Ch 4, Sec 5,
                        [3.3.1]. 
                     
                     
                     
                     
                     PA : External pressure for end bulkheads of superstructure
                        and deckhouse walls, in kN/m2 according to Ch 4, Sec 5, [4.4.1]. 
                     
                     
                     
                     
                     ℓbdg : Effective bending span, in m, as defined in Ch 3, Sec 7.
                     
                     
                     
                     
                      ℓshr : Effective shear span, in m, as defined in Ch 3, Sec
                        7. 
                     
                     
                     
                     
                     c : Coefficient taken as: 
                        
                           - c = 0.75 for beams, girders and transverses which are simply supported
                              in one or both ends. 
                           
 
                           - c = 0.55 in other cases.
                           
 
                        
                        
                        
                      
                     
                     
                     
                     ma : Coefficient taken as:
                     
                     
                     
                     
                     