The powers and duties of the Office of Emergency Services shall include the recommendation of a civil defense program and a program for emergency services for the city and shall also include the following:
(a) Control and direction of the civil defense organization of the city;
(b) Control and direction of services during every type of emergency within the city;
(c) Appointment of such voluntary personnel as the Office of Emergency Services may deem advisable;
(d) The maintenance of necessary liaison with other municipal, area, state, regional, federal or other civil defense or emergency services offices or organizations;
(e) The marshaling, after the declaration of an emergency, of all necessary personnel, equipment or supplies to aid the carrying out of the civil defense plan or the emergency services plan;
(f) The institution of training programs and public information programs and the taking of other preparatory steps including partial or full mobilization of civil defense programs and emergency services programs in advance of actual disaster or emergency; and
(g) On behalf of this city and subject to approval of the Office of Emergency Services, the entering into mutual aid arrangements with other cities and counties in the state, and also, under authority of the state, the entering into of reciprocal civil defense agreements and emergency services agreements with the federal government and other states for aid in case of disaster or emergencies too great to be dealt with unassisted.