Specifications include, but are not limited to: This work includes all work necessary to install complete and fully usable green stormwater infrastructure surface and sub-surface features in the project areas as shown and described in the Contract Documents. In general, the work includes sawcutting and removal of existing sidewalk and paving; excavation of trenches and disposal of material; excavation and grading of rain gardens, stormwater bumpouts and swales; installation of check dams and spillways; installation of clean washed stone and geotextile; installation of thermoplastic, ductile iron and RCP drainage pipe and fittings, cleanouts and riser structures; installation of energy dissipaters; installation of observation wells; installation of trench drains and concrete aprons; installation of new stormwater inlets, control structures and laterals; installation and modification of existing inlets, restoration of sidewalks, curbs and streets;, and placement and grading of specified stormwater and planting soils.