The building has a different Sathorn aia form of architecture, so some classes are not the same with the other layers. So to calculate the lamp according to the plan ceiling attachment.
Because the floor Sathorn AIA building varies according to the architecture, so some floors are not the same as the other classes, so to find a lamp, ceiling plan references attachments.
Since block AIA Sathorn is a different story, as a result, some charity auction will not be the same as any other floor, so in a word, to find a Ceiling lamp, based on floor plan attachments