Sabin Point Park, East Providence Sabin Point stormwater - PowerPoint PPT Presentation

Sabin Point Park, East Providence

Sabin Point stormwater infiltration and buffer conceptual plan by Save The Bay (2014) Infiltrate stormwater in Locust St. ROW Daylight stormwater and infiltrate in Middle St. ROW Infiltrate stormwater from Shore Rd and parking lot in park Area in park to create wetland End of road retrofit at Knowlton Ave Goal to remove pipes at beach Install buffer of native grasses to reduce use of park by geese

Sabin Point Watershed Impervious surfaces: 59% roads/41% roofs or driveways

Sabin Point stormwater infiltration plan Water quality volume: 29,342 cubic feet Total Water quality volume of watershed 67,517 cubic feet

Shore Road/Sabin Point Park sand filter 2: Former storm drain that discharged 1. Shore Rd stormwater filtration directly to beach area prior to installation 2 1 3. Pipe from Shore Road storm drain 3

Sabin Point grass sand filter -installed by East Providence DPW fall of 2017, online summer of 2018 Direction of runoff Stormwater overflow flows through existing Stormwater filtration area inlet structure and pipe forebay

Inspection and Maintenance

Subsurface infiltration in city ROW 1. Hydrodynamic separators installed with sumps and underground infiltration trenches in 2018 2. Locust right of way; install grass sand filter and direct surface runoff to right of way 1 2

Proposed stormwater filtration areas in park Proposed sand filter area in knotweed; ~ area of proposed proposed gravel wetland area in gravel wetland foreground ~ area of proposed grass conveyance swale for overflow