169. The council may, by complying with the provisions of sections 170 and 171 and the expropriation procedure established by law,(a) appropriate any immoveable property, any part thereof or any servitude required for the execution of works ordered by it within its jurisdiction;
(b) appropriate the whole or part of any road in the municipality and belonging to persons, firms or private corporations;
(c) appropriate any immoveable property, any part thereof or any servitude it may need for any municipal purpose.
The foregoing provisions of this section shall not be regarded as restricting the right which the council may otherwise have to acquire, by mutual agreement, immoveables for the same purposes.