i have soil settlement in my pump piping area
please clarify my following doubt

1) shall i consider the settlement in pump nozzle?

2) shall i considered the settlement in spring hanger

3) i want to design my spring hanger case for settlement only not for normal operating ,so when i defined case like this spring is not taking settlement

L1- W+H (Hgr)(for weight)
L2- W+D1+T1+P1+H (HGR) (for movement)
L3- W+D1+D4+T1+H (HGR) (for movement)

Here D1-pump displacement
D4-pump settlement
if i remove the case L2 itz taking load is it ok?

3) my nozzle have qualified in all other cases except settlement, is there any clause in API 610 to relaxation for settlement cases

thanks