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CITY OF EVERETT STORMWATER MANAGEMENT MANUAL <br /> o.re <br /> Draln�ga <br /> Sysfnm Malntenonca Activltlea and Condltlons <br /> Frequeney Feature � � ✓ � Problem CondlHons to Ch�ck For That Should Exlet <br /> A Manhole Lodcing Mechanism cannot ba opaned by one Mechanism opens with proper tools. <br /> Mechanism Not maintenance parsan with proper tools. Bolts into <br /> Working Irame heve less then one-half inch ot thread <br /> (may not epply to selfaodcing lids). <br /> A Manhole Cover Dilficult to One meintenance person cennot remove lid Cover can be removed and reinstelled by <br /> Remove aRer eppying normal liRing pressure.lntent is to ane maintenance person. <br /> keep cover hnm sealing oN access to <br /> meintene�e. <br /> A Manhole Ladder Rungs Ladder is unsele due to missing rungs, ladder meels design standerds. Allows <br /> Unsafe misel'gnment,not securely attached to sWduie maintenance persan sale access. <br /> wall,rust,or cracics. <br /> If you ere unsure whether e problem exisls, please contad a professional engineer. <br /> Tanks and vaufts are a confined space. Visual inspections sho�id be periortned aboveground. If entry is required il should be peAormed by <br /> qualified personnel. <br /> � <br /> (M) Monihly from October through April. <br /> (A) Once in late summer(preferably September). <br /> (S) After any major stortn(use 1 inch in 24 hours es a guideline). <br /> Appendices <br /> F-1 f <br /> ;^, !—, <br />