6009 FLEMING ST 2021-06-09 - Laserfiche WebLink

• Popach Short Plat—2 Lots Table V-4.5.2(5) Maintenance Standards - Catch Basins (continued) Results • Maintenance Conditions When Maintenance is Expected Defect When Main- Component Needed tenance is performed Frame not sitting flush on top slab, i.e., sec- ting flush on aration of more than 3/4 inch of the frame the riser rings from the top slab.Frame not securely or top slab attached and firmly attached. Basin • Maintenance person judges that structure is replaced or unsound. repaired to Fractures or design stand- Cracks in Grout fillet has separated or cracked wider Basin Walls/ ands. than 1/2 inch and longer than 1 foot at the • Bottom joint of any inlet/outlet pipe or any evidence Pipe is of soil particles entering catch basin through regrouted cracks. and secure at basin wall. Basin • Settlement/ If failure of basin has created a safety,func- replaced or Misalignment tion, or design problem. repaired to design stand- ards. No veget- • Vegetation growing across and blocking anion block more than 10% of the basin opening. ing opening to basin. Vegetation Vegetation growing in inlet/outlet pipe joints No veget- that is more than six inches tall and less than six inches apartation or root • growth present. Contamination „ No pollution and Pollution See Detention Ponds (No. 1). present. Cover Not in Cover is missing or only partially in place. Catch basin • Catch Basin Place Any open catch basin requires main- cover is Cover tenance. closed Locking Mech-Mechanism cannot be opened by one main- Mechanism anism Not tenance person with proper tools. Bolts into opens with • 2014 Stormwater Management Manual for Western Washington Volume V- Chapter 4 -Page 839 WESTERN ENGINEERS,INC. 21 PROJECT:15-1463-A