Section 130. Entrance halls

Latest version.

Every entrance hall shall be at least three
  feet eight inches in clear width from the entrance to the  first  stair.
  If  such an entrance hall is the only entrance to more than one required
  stairs, the width of such hall shall be increased  in  every  part,  for
  each  such  additional  flight of stairs, by one-half the width required
  for one flight of stairs.

                    
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