Decision to make
Gather plans, product sheets, accessibility goals, existing records, fixture locations, structural review where needed, occupancy schedule, and the person authorized to approve field changes.
Record to build
Map toilet, lavatory, shower, tub, valves, drains, vents, hot-water demand, shutoffs, electrical equipment, ventilation, waterproofing, floor, walls, and access. Leave concealed routing to design and inspection.
Question to compare
Define demolition, rough plumbing, support, testing, permit inspections, waterproofing, tile, fixture setting, glazing, finish, and final test sequence. Record who approves closure.
Useful closeout
Keep final layout, model and finish identifiers, rough measurements, permits, inspection results, concealed-condition photos, approved changes, tests, manuals, warranties, and accessible shutoff locations.