Section 315. Emergency procurement

Notwithstanding the provisions of section three hundred twelve of this
  chapter,  in  the case of an unforeseen danger to life, safety, property
  or a necessary service, an emergency procurement may be  made  with  the
  prior approval of the comptroller and corporation counsel, provided that
  such  procurement  shall be made with such competition as is practicable
  under the circumstances, consistent with the provisions of section three
  hundred seventeen of this chapter. A written determination of the  basis
  for the emergency and the selection of the contractor shall be placed in
  the  agency  contract  file  and  the  determination  or summary of such
  determination shall be included in the notice of the award  of  contract
  published pursuant to section three hundred twenty-five of this chapter.