2006 New York Code - Excavations Or Embankments Near Landmarks.

 
    §  19-114  Excavations or embankments near landmarks. The commissioner
  shall cause a covenant to be incorporated  in  all  contracts  hereafter
  made by him or her for constructing, regulating or repairing any street,
  requiring  the  contractor  to  obtain  the  permit required pursuant to
  section 3-508 of the code and to take such  other  precautions  for  the
  care  and  preservation  of  monuments, bolts and other landmarks as the
  commissioner may direct.