Edward B. Comm, 70, a retired Army colonel who became the operations director of an engineering firm in Washington, died of cardiac arrest Sept. 30 at the National Orthopaedic and Rehabilitation Hospital in Arlington.

Col. Comm, who lived in Arlington, was born in Fargo, N.D. He graduated from North Dakota State University with a degree in civil engineering and a commission in the Army Reserves. He was a civil engineer in the Dakotas until 1940, when he was called to active duty in the Army.

During World War II, he served in North Africa and Europe. His postwar assignments included the Army War College, from which he graduated, and tours of duty in various parts of this country and in France. He was attached to the Army General Staff when he retired in 1967 on a physical disability.

Col. Comm then joined the Washington engineering firm of Howard, Needles, Tammen & Bergendoff, where he was operations director until he retired in 1981.

His military decorations included the Distinguished Service Medal, three Legions of Merit and honors from Britain, France, Brazil and Italy.

Col. Comm was a fellow of the American Society of Civil Engineers and a member of the Society of American Military Engineers. He was a former D.C. and Virginia state trap shooting champion and a member of the Army & Navy Club in Washington and the Army-Navy Country Club in Arlington.

Survivors include a sister, Katheryn Colliton of Moorhead, Minn.