Section 28-302.5. Repair of exterior walls, unsafe condition

Upon  the
  notification to the department of an unsafe condition,  the  owner,  the
  owner's  agent  or  the person in charge shall immediately commence such
  repairs, reinforcements or other measures as may be required  to  secure
  public safety and to make the building's exterior walls or appurtenances
  thereof conform to the provisions of this code.
    1.  All  unsafe conditions shall be corrected within 30 days of filing
  the critical examination report.
    2. The registered design professional shall reinspect the premises and
  file an amended report within two weeks  after  the  repairs  have  been
  completed  certifying  that  the  unsafe conditions of the building have
  been corrected.
    3. The commissioner may grant an extension of time of up to 90 days to
  complete the repairs  required  to  correct  an  unsafe  condition  upon
  receipt  and review of an initial extension application submitted by the
  registered   design   professional   together   with   such   additional
  documentation as may be prescribed by rule.
    4.  The  commissioner may grant further extensions of time to complete
  the repairs required to remove an  unsafe  condition  upon  receipt  and
  review  of  an  application  for  a  further  extension submitted by the
  registered design professional together with such further  documentation
  as may be prescribed by rule.