Section 2. Public buildings

Except where otherwise prescribed by law, the
  commissioner  of  general services shall have supervision and control of
  public buildings of the state of New York,  including  the  capitol  and
  executive  mansion, with the buildings, grounds and premises adjacent or
  appurtenant  thereto  or  connected  thereto  or   connected   therewith
  belonging  to  the  state,  so  far  as such grounds and premises now or
  hereafter shall be  laid  out  and  completed,  and  the  entire  public
  sidewalks  bordering  upon the capitol grounds and parks for the purpose
  of keeping such sidewalks at all times clear of snow, ice, dirt and  all
  other obstructions.