Subassembly Surface Target Not Working Properly

[bimhki_paltung32]

Hi everyone, I have created a custom daylight bench subassembly using Subassembly Composer. However, the EG surface target (Daylight) works for some areas but not for others. Does anyone have a solution? I have attached the Civil 3D and SAC files.

[teerawat.pSCHYQ]

Hi @bimhki_paltung32  look like your target surface (MC-0 MAINROAD) not enough cover your Daylight