Newscopy: "WEAR AND TEAR of the Civic Auditorium's false canvas ceiling has been visible for years. Now the Fire Department adds its critical judgment: The canvas, 35 years old and not flame-proofed for 10 years, is hazardous and must come down. Workmen will begin the job tomorrow. At center is a view of what the ceiling will look like afterward. The city has budgeted $117,000 to replace fabric."