(a) a change in type of use of a structure or land  or,  if  a  zoning
ordinance  divides  uses  into  classes,  a change from one class of use
designated  in  a  zoning  ordinance  to  a  use  in  another  class  so
designated;
  (b)   a  material  increase  in  the  intensity  of  use  of  land  or
environmental impacts as a result thereof;
  (c) commencement of mining,  excavation,  or  material  alteration  of
grade  or  vegetation  on  a  parcel  of  land  excluding  environmental
restoration activities;
  (d) material alteration of a shore, bank, or flood plain of  a  river,
stream, lake, pond, or artificial body of water;
  (e)  re-establishment  of a use which has been abandoned for one year;
and
  (f) departure from the normal use for which development permission has
been granted, or material failure to comply with the  conditions  of  an
ordinance, rule or order granting the development permission under which
the development was commenced or is continued.
  The following operations or uses do not constitute development for the
purposes of this title:
  (i)  public improvements undertaken for the health, safety, or welfare
of the public. Such public improvements shall  be  consistent  with  the
goals  and  objectives  of  this  title,  and  shall include, but not be
limited to, maintenance of an existing road or railroad track;
  (ii)  work  by  any  utility  not  involving  substantial  engineering
redesign  for  the  purpose  of  inspection,  maintenance  or renewal on
established utility rights-of-way or the likes, and any work  pertaining
to water supply for the residents of Suffolk county;
  (iii)  work for the maintenance, renewal, replacement, reconstruction,
improvement, or alteration of any existing structure or additions to  an
existing  residence  or  residential  property  owned  by an association
formed for the common interest in real property;
  (iv) the use of any structure or land devoted to dwelling uses for any
purposes customarily incidental and otherwise lawful;
  (v) the use of land for the purpose of agriculture or horticulture;
  (vi) work by a utility performed for the  purpose  of  public  health,
safety,  or welfare and consistent with the goals and objectives of this
title;
  (vii) existing  or  expanded  recreational  use  consistent  with  the
purposes of this title including scouting activities, the maintenance or
expansion  of  facilities associated with or necessary for such scouting
activities including, but not limited to,  the  addition,  modification,
expansion,  or  replacement  of structures necessary for such activities
and such clearing as may be reasonably required for the  maintenance  or
expansion of scouting activities; and
  (viii)  a change in use of land or structure from a use within a class
specified in a zoning ordinance to another use in the same class.
  Development as designated in an ordinance, rule, or development permit
includes all other development customarily  associated  with  it  unless
otherwise specified.
  5.  "Plan"  shall  mean  a comprehensive management plan prepared by a
town to protect groundwater and surface watersheds.
  6. "Peconic estuary watershed" shall mean  the  area  located  on  the
eastern  end  of  Long  Island,  New York, and bordered by Long Island's
north and south forks. The major river discharging freshwater  into  the
estuary  is  the  Peconic  River. The eastern end of the Peconic estuary
watershed is an imaginary line through Block Island Sound  between  Plum
Island  and  Montauk  Point, beyond which lies the open sea. The western
boundary is at the headwaters of the Peconic River,  just  west  of  the
William Floyd Parkway. The Peconic estuary watershed also includes those
land  areas  that  contribute  groundwater  and stormwater runoff to the
river and estuary.