For FF riser need clarification

Dear
I have FF riser 6 inch
i use MSE to make the calculation.
should I consider the pointed load as NFPA 500% 114kg for safety or 20% as axial load
please if you can help in this urgent case with official proof document.
as i have facing this issue with consultant to get HILTI approved.

load of empty pipe 28.26 KG/M
Spacing between support 2 mtr