The Planning Board, in considering an application for the subdivision
of land, shall be guided by the policy consideration specified in
this chapter, including the standards that follow.
No final slope on the property shall exceed the normal angle
of repose of the soil of such slope, and, except where slope consists
of a natural rock formation, in no case shall it be greater than one
to three, unless such slope has an established grass cover and/or
is supported by a retaining wall of a design acceptable to the Board.
Soil characteristics shall be accounted in the planning of the
subdivision, and the plan shall relate to the ability of the soil
to accommodate proposed uses. Generally, wetlands and floodplains
should be set aside for recreation and open space use; steep topography
and rocky land should not be used intensely.