Constituting the Twelfth Supplemental Ordinance to the Restated General Water and Wastewater Revenue Bond Ordinance of 1989, as supplemented; authorizing the Bond Committee to issue and sell either at public or private sale, Water and Wastewater Revenue Bonds; authorizing agreements to provide credit enhancement and payment and liquidity sources for such Bonds; authorizing the Director of Finance to take certain actions with regard to the sale of such Bonds, the investment of proceeds thereof and the City's continuing disclosure obligation; setting forth the use of proceeds; covenanting the pa — Open Common Ground