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HomeMy WebLinkAboutStorm Water Maintenance PlanSTORM WATER MAINTENANCE PLAN Lots 4 & 5, Block 5, Flanders Creek Subdivision Oak & Cottonwood Apartments City of Bozeman, Montana THE FOLLOWING PROPERTY OWNER'S RESPONSIBILITIES FOR ROUTINE INSPECTION AND MAINTENANCE ARE TO BE PERFORMED BY THE LANDOWNER (L&S PROPERTIES) OR THEIR DESIGNATED AGENT. SHOULD THE PROPERTY CHANGE OWNERSHIP THESE RESPONSIBILITIES SHALL PASS TO THE NEW PROPERTY OWNER(S). 1. Routine Maintenance Activities (1-3 month interval) • Designate no cut zones in the bottom of basins • Remove trash, leaves, grass clippings and debris from inlets, swales & ponds • Remove any obstruction to flow • Establish a chemical free zone in and around the basins • Inspect for uniform ponding, and that water disappears within three days of rain events • Inspect inlets, piping, swales & outlet structures for sediment buildup and/or evidence of erosion • Check for eroded or channelized areas. Repair immediately, find the cause and take action to prevent further erosion. • Inspect structures and pond area for oil sheens • Inspect ponds and swales for undesirable vegetation or noxious weeds 2. Annual Maintenance Activities (Annually) • Cut vegetation to 6” and remove clippings • Re-establish vegetation on eroded and barren areas • Remove excess sediment build-up in inlets, piping, swales, ponds and outlet structures. • Update maintenance plan and inspection log • Repair/Replace eroded or damaged rip rap aprons • Clear and remove accumulated winter sand in parking lots and structures 3. Long Term Maintenance Activities (5-10 year interval) • Consult a qualified professional to inspect and return storm water basin back to initial design found on the subdivision and/or site plan engineering plans. • Dredge basin if sediment buildup is greater than 6” • Re-establish vegetation • Repair or replace damaged storm water structures and/or piping • Repair/Replace eroded or damaged rip rap aprons • Re-grade swales to ensure proper drainage. \20006\Storm Water Maintenance Plan.Doc