Vessel on lug support static earthquake

Greetings,

I'm trying to model vessel on lug supports in autopipe.My questions are,

1-How can i model lug supports (will connect beams afterwards) can transfer moments due to seismic loads?
2-If i use anchor points as mentioned in modelling vessel on lug support wiki,how can i use that anchor loads in staad pro?

Pls find attached below.I could not manage to transfer moments due to seismic loads on these supports.

Thanks in advancevessel-staticseismic-supports.rar