Assessments coming due under this procedure in any year during the period of time stated in the resolution of intention shall be payable in annual or semiannual installments, accordingly as the general city taxes are payable in annual or semiannual installments, and shall be payable and become delinquent at the same times and in the same proportionate amounts and bear the same proportionate penalties and interest after delinquency as general city taxes. Property securing such assessments shall be sold after delinquency in the same manner as property is sold for delinquent general city taxes, and shall be subject to redemption in the same manner as property is redeemable from sale for delinquent general city taxes.