The ultra-luxury graded residential at Thong Lor, Bangkok, HOOK work as the BIM management team joined the project in the construction stage, the project has various types of rooms mixed and designed tailor-made for the VVIP customer segment. Combining all typical floors with all branches of MEP models can help the project have more flexibility to custom and increase the potential of the sale in each residential unit as per the project concept,(18) a penthouse on every floor.