a. Every water closet compartment shall be at least two feet, four inches in clear width.
b. The walls enclosing every water closet compartment shall extend from floor to ceiling except in general toilet or bath rooms.
c. The walls of every water closet compartment and general toilet or bath room shall be plastered, tiled or covered with similar materials approved by the department.
d. The floor of every water closet compartment, bath room or general toilet room shall be waterproofed with material approved by the department. Such waterproofing shall extend at least six inches above the floor, except at the doors.
e. Drip trays are prohibited.
f. No water closet or other plumbing fixture shall be enclosed with any woodwork.