Improvements for which performance guaranties may
be required include streets, grading, pavement, gutters, curbs, sidewalks,
streetlighting, shade trees, surveyor's monuments, water mains, culverts,
storm sewers, sanitary sewers or other means of sewage disposal, drainage
structures, erosion control and sedimentation control devices, public
improvements of open space and, in the case of site plans only, landscaping
and other on-site improvements.