Laserfiche WebLink
CITY OF EVERETT STORMWATER MANAGEMENT MANUAL <br /> Date <br /> Drainage <br /> System Maintenance Activities and Conditions <br /> Frequency Feature 1 1 1 1 Problem Conditions to Check For That Should Exist <br /> A General Structure Frame not sitting flush on top slab, i.e., Frame is sitting flush on the riser rings or top <br /> Damage to Frame separation of more than three-fourth inch of slab and firmly attached. <br /> and/or Top Slab the frame from the top slab. Frame not <br /> securely attached. <br /> A General Fractures or Cracks Maintenance person judges that structure Basin replaced or repaired to design <br /> in Basin Walls/ is unsound. standards. <br /> Bottom <br /> A General Fractures or Grout fillet has separated or cracked wider than Pipe is re-grouted and secure at basin wall. <br /> Cracks in Basin one-half-inch and longer than 1 foot at the joint <br /> Walls/Bottom of any inlet/outlet pipe or any evidence of soil <br /> particles entering catch basin through cracks. <br /> A General Settlement/ If failure of basin has created a safety, Basin replaced or repaired to design <br /> Misalignment function,or design problem. standards. <br /> M General Vegetation Vegetation growing across and blocking No vegetation blocking opening to basin. <br /> more than 10 percent of the basin opening. <br /> M General Vegetation Vegetation growing in inlet/outlet pipe joints that No vegetation or root growth present. <br /> is more than 6 inches tall and less than 6 inches <br /> apart. <br /> M General Contamination and Any evidence of oil,gasoline,contaminants No contaminants or pollutants present. <br /> Pollution or other pollutants. (Coordinate removal/cleanup with the City of <br /> Everett Surface Water Management 425- <br /> 257-8885 and/or DOE Spill Response 800- <br /> 424-8802.) <br /> A Catch Cover Not in Place Cover is missing or only partially in place. Any open catch basin requires maintenance. <br /> Basin Catch basin cover is closed <br /> Cover <br /> A Catch Locking Mechanism cannot be opened by one Mechanism opens with proper tools. <br /> Basin maintenance person with proper tools.Bolts into <br /> Cover Mechanism Not frame have less than one-half-inch of thread. <br />