Dear Khun Adam,
We have already checked and found that Section A.3 Concrete-GF Ramps and Rebar-GF Ramps have no works and Section A.5 Pre-Cast Stairs-F4 including Section B.5 D2-Double Steel Door and Frame-MDB Room-2.00x2.00 are the same condition that have no works as well.
Best regards,
Somchai