Should the commissioners appointed by the Mayor and City Council of Baltimore assess any part of the expense and damage incurred in the construction, opening, enlarging or straightening any sewer in the City, upon the Mayor and City Council of Baltimore, the said Mayor and City Council of Baltimore may levy a tax on the assessable property of the City for the amount of such assessment, or they may raise the necessary amount by a loan, for the payment of which they may create a sinking fund to meet the liabilities incurred; and may also levy on the assessable property of the City of Baltimore from time to time such sums as may be necessary to provide therefor, and for the principal and interest of the liabilities incurred, and may pass all ordinances necessary to carry out the provisions of the same. P.L.L., 1888, §798 1915, §823 1927, §823 1930, §823 1938, §1018 1949, §633 1969, §20-7 1868, ch. 181 1898, ch. 123, §823