Except for sole source contracts authorized under Section 13-20,
public works contracts for greater than one hundred thousand ($100,000.00)
dollars shall be awarded to the lowest qualified bidder who is both
responsible and reliable, as defined in this section, that meets the
specifications. In the event that the lowest bidder number two (2)
or more, the award by the City Council or City official shall be within
its sole discretion so long as consistent with the purposes of this
section.