Section 17-115. Right of inspection

It  is  hereby made the duty of all
  departments, officers, and agents, having the control, charge or custody
  of any public structure, work, ground, or  erection,  or  of  any  plan,
  description,  outline,  drawing  or charts thereof, or relating thereto,
  made, kept or controlled under  any  public  authority,  to  permit  and
  facilitate  the  examination and inspection, and the making of copies of
  the same by any officer or person, authorized to do so by the department
  of health and mental hygiene.