2202 BROADWAY DUTCH BROS COFFEE 2017-04-05

Dutch Bros. Coffee Stormwater Site Plan Everett, Washington Catch Basins Date Drainage System Maintenance Activities and Conditions Frequency Feature d I I I Problem Conditions to Check For That Should Exist A General 'Dump no Stencil or stamp should be visble and easily Warning signs(e.g.,"Dump No Waste-Drains pollutants'Stencil read to Stream.,)shall be painted or embossed on or stamp not visible or adjacent to at stone drain inlets. MS General Trash and Debris Trash or debris which is located immediately in No trash or debris located immediately in front of the catch basin opening or is blocking front of catch basin or on grate opening. inletting capacity of the basin by more than 70 percent M General Trash and Debris Trash or debris(in the basin)that exceeds 60 No trash or debris in the catch basin. percent of the sump depth as measured from the bottom of basin to invert of the lowest pipe into or out of the basin,but in no case less than a minimum of 6 inches clearance from the debris surface to the invert of the lowest pipe. M General Trash and Debris Trash or debris in any inlet or outlet pipe Inlet and outlet pipes free of trash or debris. blocking more than one-third of its height. M General Trash and Debris Dead animats or vegetation that could generate No dead animals or vegetation present within odors that could cause complaints or dangerous the catch basin. gases(e.g..methane). M General Sediment Sediment(in the basin)that exceeds 80 percent No sediment in the catch basin of the sump depth as measured from the bottom of basin to invert of the lowest pipe into or out of the basal.but in no case less than a minimum of 6 inches clearance from the sediment surface to the invert of the lowest pipe. A General Structure Damage Top slab has holes larger than 2 square inches Top slab is free of holes and cracks_ to Frame and/or or cracks wider than cane-fourth inch(intent is tu Top Slab make sure no material is running into basin). Date Drainage System Maintenance Activities and Conditions Frequency Feature f .+ ✓ ✓ Problem Conditions to Check For That Should Exist A General Structure Damage Frame not sitting flush on top slab.i.e.. Frame is sitting flush on the riser rings or top to Frame and/or separation of more than three-fourth inch of the slab and firmly attached_ Top Slab frame from the top slab.Frame not securely attached. A General Fractures or Cracks Maintenance person judges that structure is Basin replaced or repaired to design in Basin Walls/ unsound. standards, Bottom A General Fractures or Grout fillet has separated or cracked wider than Pipe is re-grouted and secure at basin wall_ Cracks in Basin one-half-inch and longer than 1 fool at the joint Walls/Bottom of any inlet/outlet pipe or any evidence of soil particles entering catch basin through cracks. A General Settlement! If failure of basin has created a safety.function, Basin replaced or repaired to design Misalignment or design problem. standards.. M General Vegetation Vegetation growing across and blocking more No vegetation blocking opening to basin. than 10 percent of the basin opening_ M General Vegetation Vegetation growing in inlet/outlet pipe joints that No vegetation or root growth present_ is more than 6 inches tall and less than 6 inches apart hl General Contamination and Any evidence of oil,gasoline,contaminants or No contaminants or pollutants present Pollution other pollutants, (Coordinate removal/cleanup with the City of Everett Surface Water Management 425- 257-8885 and/or DOE Spill Response 800- 424-68C124 A Catch Cover Not in Place Cover is missingor only partially in place. Any open catch basin requires maintenance. Basin Catch basin cover is closed Cover A Catch Locking Mechanism cannot be opened by one Mechanism opens with proper tools_ Basin Mechanism Not maintenance person with proper tools.Bolts into Cover Working frame have less than one-half-inch of thread. nAn! Anlrr n..,.,, 10