If at any such election, a majority of the electors voting thereon shall vote to abolish the board of public works in such city, then such board of public works shall be abolished, and all the powers, rights and privileges now exercised by or vested in said board of public works, as well as all duties and obligations imposed upon such board of public works by this act and the act of which this is amendatory, shall be vested in, exercised and assumed by the council of such city; the board of public works in such city in all things appertaining to them as such board, shall be superseded by the council, and the council may appoint a committee of its own members more particularly to perform these duties, always under the direction of the council and subject to such rules and regulations as the council may determine.