Any person desiring to have the sewer mains within the city extended must advance the whole expense of such extension and the additional expenses necessary for sewer service or related facilities. Such person may make application to the city by petition containing a description of such proposed extension, accompanied by a map showing the location thereof, which petition shall also contain an offer to advance the whole expense of making the same, as said expense shall be certified to by the director, by either entering into a contract for installation by and all related costs to be borne by petitioner, or a contract to pay for such expense with the work to be done by or contracted for by the city. (Ord. 36-93 § 5, 1993: prior code § 37-4-17)