ZA,SK/CA,SRmax CA,SRmax = 250 ZB,SK/CB,SRmax CB,SRmax = 300
Minimum ratio
Cascade
SK1 0.08 0.20 0.08 A
SK2 0.20 0.07 0.07 B
SK3 0.40 0.50 0.40 A
SK4 0.8 0.27 0.27 B