Sections (driver's toilet) at level basement 01; Plumbing layout for basement-03; Plumbing layout for basement-02; Plumbing layout for basement-01; Driver toilet blow up at basement 1 storey plan; Axonometric mapping of water supply for driver toilet at B1; Axonometric mapping of pressure drainage system; Axonometric mapping of pressure drainage for B3-B1; Driver toilet blow up at basement 1 storey plan