(16.) To see that all house drains, which may from time to time be carried into any public sewer, are made and connected in accordance with the regulations.
(17.) To give to the several contractors performing any works, orders for the same in writing only, keeping duplicates thereof, duly entered in a book to be kept by him for that purpose.
(18.) To prepare all plans, drawings, and estimates required, and to superintend the execution of all improvements.
(19.) To see that no encroachments be made on any highway or public place.
(20.) To advise on, and execute, all engineering works, and prepare all such plans, specifications, and estimates of, and take out quantities for, such sewers, buildings, bridges, and works as may be required, and to superintend the erection and execution thereof.
(21.) To have in his charge, and be responsible for, the proper management of all buildings and properties belonging to the corporation, or for the repair and maintenance of which the corporation is liable, except otherwise directed by the council.
(22.) To examine and report upon all plans and elevations of buildings proposed to be erected or altered upon land sold or leased by the corporation.
(23.) To inspect and report on plans of new streets to be laid out, of houses to be built, and of buildings to be erected or altered.
(24) To see that all streets are properly named, and that the name plates are kept in good order.
(25.) To act as building surveyor in all matters relating to the execution of the Sanitary and Local Acts, and to examine and certify new houses as fit for habitation.