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CITY OF EVERETT STORMWATER MANAGEMENT MANUAL I <br /> -.F� cF;�fy. .�,. ' I <br /> , .. , � . „ . . . : ..,, .. . '�' .�'� . . . <br /> .. . ; '�.. AIA�.:, ,. �� �� , �: . r -: . : : . . t�l �6qvItlMMQCOndlqont <br /> IINn�na1 A _ <br /> F FMWe�. I' .I .r' ✓. l��iUlwe Con�lYorM�,CMckPor i ,.. ..: TMt1ha�NA,fiYbt�� <br /> �y' ,; <br /> B Ponding Besin inkt via Soil is ezposed oi signs of erosion are visible. Repair and contml erosion sources <br /> Aree surface flow <br /> B Ponding Basin inlet via Sediment,vegefation,or debris partially or fully Clear the blodcage. Identify the source of <br /> Area concentrated Bow blodcing inlet structure. the blockage and lake actions to prevent <br /> (e.p., curb cuts) future blodcages. <br /> 8 Pondmg Besin inlet splash Wa!er spWshes adjacent buiMings. Rewnfigure/repair blocks <br /> Area blodc tailu2 <br /> B Ponding Baain inlet splash Water disrupis soit media. Reconfigurelrepair blocks <br /> Area blodc feilure <br /> B Ponding InkVoutlet pipe Pipe is damaged. Repair/reDlece <br /> Area failure <br /> B Ponding InleUoutlet pipe Pipe is clogged. Remove roots or debris <br /> Area feilure <br /> B Ponding Outlet Sediment, vepetatlon,or debris partially or fulty Cleer the blockage. Identiy tha source of <br /> Area pipe/structura failure blodcing inlet shucture ihe blockage end take actions to prevenl <br /> fuluie blockages. <br /> B Ponding Trash reck lailuie Trash or tlebris present on tresh reck. Clean and dispose trash <br /> Area <br /> B Ponding Tresh�ack failure Bar screen damaged or missing. Replace <br /> Area <br /> B Ponding Check dams and Sedimenl, vegetation,or debris parttalty or fully Clear the blockage. Identiy the source ol <br /> Area Weirs failures blodcing chedc dam or weir. the blockage and take actions to prevent <br /> future blockages. <br /> @ Ponding Check dams and Erosion,:ndlor underwtting is presenl Repair and take preventative measures to <br /> Area Weirs tallures prevent fuWre erosion endlor undercutting <br /> B Ponding Flow Spreader Sediment blocks 35%or rtiore of portslnotches Remave and dispose <br /> Aree problems or sedimenl 611s 35°h or mo2 ot sedlment trap. <br /> B Ponding Flow Spreader Grade boardlbaMe demaged or nut Ievei. Remove and reinstall lo level posilion <br /> Area problems <br /> Appendices <br /> F-55 <br /> ., -� <br />