First floor heating plan, second floor heating plan
December 10, 1929 to February 5, 1930

Attic floor heating plan
August 8, 1927

Attic floor heating plan
May 10, 1927

Basement and foundation heating plan
June 15, 1927

Basement heating and plumbing plan
November 6, 1926

Basement heating plan
August 8, 1927

Basement heating plan
July 31, 1929

Basement heating plan
May 7, 1930 to September 30, 1930

Basement heating plan
April 19, 1929

Basement heating plan
February 26, 1929

Basement heating plan
December 10, 1929 to February 3, 1930

Basement heating plan and heating room sections
November 1, 1950

Basement plan, heating
April 27, 1928

Basement plumbing and heating plan
March 17, 1941

Basement plumbing, heating, and ventilation plan
June 15, 1939

Detail plan of boiler room
April 19, 1929

Detail plan of boiler room, section
June 29, 1929

Elevations, heating plan, ground floor plan, and first floor plan
October 15, 1935

Eleventh, twelfth, thirteenth, and fourteenth floor plumbing and heating plans
March 17, 1941

Fifteenth floor, penthouse plumbing and heating plans
March 17, 1941