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HomeMy WebLinkAboutSP-23-027 - Supplemental - 0550 Dorset Street (8)Stormwater Operation & Maintenace Manual South Burlington High School Baseketball Court South Burlingon, Vermont 208 Flynn Avenue, Suite 2A, Burlington, VT 05401  Tel: 802-863-6225  Fax: 802-863-6306 South Burlington High School Basketball Court July, 2023 Stormwater O&M Manual – Page 1 Stormwater Operation & Maintenance Manual This project features a stormwater system which requires inspection and maintenance on a regular basis. These features include a pretreatment stone diaphragm, and a vegetated filter strip. The owner (South Burlington School District) shall be responsible for providing ongoing site inspections and maintenance to provide long-term functionality of the stormwater system. It is recommended that, at minimum, the site be inspected on a semi-annual basis, once after snow-melt and once before leaf-drop. This document identifies the inspection and maintenance requirements of each of the stormwater features. 1. An inspection checklist (attached) shall be completed during each inspection. 2. An Operation & Maintenance Log shall be completed to track each inspection as well as maintenance activities. The Log can be found attached to this document. 3. An Operation & Maintenance Plan identifies on-site stormwater appurtenances and is attached to this document. 4. The frequency of the inspections and maintenance requirements shall be as follows: a. Systems shall be inspected at least once annually, and following storm events exceeding 1-inch of rainfall in a 24-hour period, with maintenance and rehabilitation conducted as warranted by such inspection. Stormwater Operation & Maintenace Manual South Burlington High School Baseketball Court South Burlingon, Vermont 208 Flynn Avenue, Suite 2A, Burlington, VT 05401  Tel: 802-863-6225  Fax: 802-863-6306 South Burlington High School Basketball Court July, 2023 Stormwater O&M Manual – Page 2 O&M Checklist Inspector: Date: Current Weather: Time: Rainfall in the Last 24 Hours (in): Can be checked here: http://www.nrcc.cornell.edu/page_nowdata.html Stone Diaphragm: Inspection Required Annually, Recommended Twice Annually Items Inspected Checked Maintenance Needed Maintenance Performed Y N Y N Y N 1. Contributing areas clean of debris. 2. Litter (trash, debris, etc.) have been removed. 3. No evidence of sediment accumulation. 4. Foot/vehicular traffic does not compromise the diaphragm. 5. No evidence or erosion or stone migration. Filter Strip/Vegetated Buffer: Inspection Required Annually, Recommended Twice Annually Items Inspected Checked Maintenance Needed Maintenance Performed Y N Y N Y N 1. Contributing areas clean of debris. 2. No dumping of yard waste into filter strip area 3. Litter (trash, debris, etc.) have been removed. 4. No evidence of sediment accumulation. 5. Sediment removed if approaching four-inch depth. 6. Vegetative density exceeds a 90% cover 7. Filter strip is free of invasive species 8. No evidence of erosion 9. Grassed/meadow areas mowed no shorter than four inches. Stormwater Operation & Maintenace Manual South Burlington High School Baseketball Court South Burlingon, Vermont 208 Flynn Avenue, Suite 2A, Burlington, VT 05401  Tel: 802-863-6225  Fax: 802-863-6306 South Burlington High School Basketball Court July, 2023 Stormwater O&M Manual – Page 3 Comments: Date by which outstanding maintenance must be completed: Inspector’s Signature: Stormwater Operation & Maintenace Manual South Burlington High School Baseketball Court South Burlingon, Vermont 208 Flynn Avenue, Suite 2A, Burlington, VT 05401  Tel: 802-863-6225  Fax: 802-863-6306 South Burlington High School Basketball Court July, 2023 Stormwater O&M Manual – Page 4 O&M Log Date Appurtenances Inspected Maintenance Performed Inspector’s Signature Sheet Title:Project Title:EV Project #S:\PROJECTS\0-2022\22714 SBHS OUTDOOR BASKETBALL COURT\DWG\REFERENCES\22714 X-BASE.DWG PLOTTED: 7/24/2023 2:06 PM Date:Scale:Drawn By:Checked By:208 Flynn Avenue, Suite 2A, Burlington, VT 05401 s 802-863-622585 Mechanic Street, Suite E2-3, Lebanon, NH 03766 s 603-442-9333414 Union Street, Schenectady, NY 12305 s 518-630-9614www.engineeringventures.comFigure:227142023 BASKETBALL COURT PROJECTSouth BurlingtonSchool District550 Dorset StreetSouth Burlington, VT05403ENGINEERINGVENTURESPCJGPB1"=20'2023-04-27MAINTENANCE PLAN··········FSSDSDFSNOTES: