The document contains requests to update various drawings for a building project. In drawing A-500, it asks to show plumbing details for a bathtub wall. It also notes that wall type (x-2) is indicated on drawing A-100 but not detailed, and requests it be added to drawing A-600. Additionally, it asks to remove AC sleeves from drawing M-101 since central AC is provided, and to add exhaust ducts between the first and second floors.