Improvements to stormwater drainage system on site. Project requires some demolition of existing storm water structures and installation of new system with new inlets curb and gutter work, sand and grease trap installation and new underground seepage bed. Will use stabilized parking lot for staging area. Protect any new and existing storm drains next to active construction areas that connected. Provide concrete washout containment and post ESC permit sign. Stabilize/vegetate and disturbed areas