Laserfiche WebLink
11111 O' NIB <br /> CITY OF EVERETT STORMWATER MANAGEMENT MANUAL <br /> Date <br /> Drainage <br /> System Maintenance Activities and Conditions <br /> Frequency Feature V ✓ V ✓ Problem Conditions to Check For That Should Exist <br /> A Manhole Locking Mechanism cannot be opened by one Mechanism opens with proper tools. <br /> Mechanism Not maintenance person with proper tools. Bolts into <br /> Working frame have less than one-half inch of thread <br /> (may not apply to self-locking lids). <br /> A Manhole Cover Difficult to One maintenance person cannot remove lid Cover can be removed and reinstalled by <br /> Remove after applying normal lifting pressure. Intent is to one maintenance person. <br /> keep cover from sealing off access to <br /> maintenance. <br /> A Manhole Ladder Rungs Ladder is.unsafe due to missing rungs, Ladder meets design standards.;Ailows <br /> Unsafe misalignment,not securely attached to structure maintenance person safe access. <br /> wall, rust,or cracks. <br /> If you are unsure whether a problem exists, please contact a professional engineer. <br /> Tanks and vaults are a confined space. Visual inspections should be performed aboveground. If entry is required it should be performed by <br /> qualified personnel. <br /> (M) Monthly from October through April. <br /> (A) Once in late summer(preferably September). <br /> (S) After any major storm(use 1 inch in 24 hours as a guideline). <br /> I � � <br /> Appendices <br /> Everett Mall Plaza Parcel Ill Retail Expansion Stormwater Site Plan Page 76 <br />