The powers and duties of the civil defense council shall include the recommendation for adoption by the common council of a civil defense plan for the city, the drafting and recommendation for the adoption by the common council of all mutual aid plans and agreements which are deemed essential for the implementation of such civil defense plan and the continued promotion of an orderly and effective program of civil defense. The civil defense council shall meet upon the call of the chairman. (Ord. 67 § 2, 8-24-1959)