The police officers of the city shall do the following.
(A) Preserve the public peace, prevent crimes, detect offenders, and suppress riots and unlawful gatherings which obstruct free passage on the public streets, sidewalks, parks, and public places.
(B) Protect the rights of persons and property.
(C) Guard the public health.
(D) Preserve order at elections and all public meetings and assemblages.
(E) Regulate the movement of vehicles in the streets, bridges, parks, public squares, and highways.
(F) Provide proper traffic and crowd control at fires.
(G) Carefully observe and inspect all places of public amusement and all places of business having license to carry on the business, and suppress and restrain all unlawful and disorderly conduct or practices therein.
(H) Enforce penalties for the violation of state and federal laws, the provisions of this code and ordinances of the city.
(I) Arrest all persons guilty of violating any law or any provision of this code or any ordinance.
(J) Prevent as far as possible any injury to property and buildings, streets, and sidewalks.
(K) Report to the Chief of Police any repairs needed to any public property.
(L) Summon as many persons as may be necessary to assist them in the duties herein outlined.
(M) Survey all parts of the city at reasonable intervals.
(N) Be civil and pleasant to all with whom they have official business.
(O) Perform any other duties that may be assigned to them either by the City Manager or the Chief of Police.
('58 Code, § 11-6)