The governing body, by a two-thirds vote of the members thereof may contract for or make repairs, alterations, extensions, reconstructions, enlargements or improvements of its water and sewage system except as provided in K.S.A. 12-861 and issue or cause to be issued revenue bonds in payment of the cost thereof without submitting to a vote of the electors of such city the proposal to contract for or to make such repairs, alterations, extensions, reconstructions, enlargements or improvements and to issue such bonds in payment of the cost thereof: Provided, That the governing body or other proper officers of any such city shall, before contracting for or making any such repairs, extensions, reconstructions, enlargements or improvements, cause to be published in the official paper of said city a notice of its intention so to do which notice shall describe the nature of the proposed repair, alteration, reconstruction, enlargement or improvement, state the total amount of the cost thereof and the amount of the bonds to be issued for the payment thereof: Provided, however, If, within fifteen (15) days after the publication as aforesaid of such notice, there shall be filed with the clerk of such city a written protest against such proposed repairs, alterations, extensions, reconstructions, enlargements or improvements and such bond issue, signed by not less than twenty percent (20%) of the qualified electors of such city, the governing body of such city shall thereupon submit such proposed project and the proposed bond issue to the electors of such city at a special election to be called for that purpose upon at least ten (10) days' notice, to be held not later than sixty (60) days after the filing of such protest or at a regular city election or general election which will occur not sooner than thirty (30) days nor not later than sixty (60) days after the filing of such protest. In the event that a majority of such voters voting on such proposition at such election shall vote in favor thereof, such repairs, alterations, extensions, reconstructions, enlargements or improvements shall be made and such bonds may be issued in payment of the cost thereof.
K.S.A. 12-862