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No. 3 -Catch Basins <br /> k �. _� "0 -01 t m k +�t9,vK j' `iV �dP:r a p r <br /> s ® w rr, Mai 5 <br /> General Trash& Trash or debris which is located No trash or debris <br /> Debris immediately in front of the catch located immediately in <br /> basin opening or is blocking front of catch basin or <br /> inletting capacity of the basin by on grate opening. <br /> ' more than 10%. <br /> Trash or debris(in the basin) No trash or debris in the <br /> that exceeds 60%of the sump the catch basin. <br /> ' depth as measured from the <br /> bottom of basin to invert of the <br /> lowest pipe into or out of the <br /> basin, but in no case less than <br /> ' a minimum of 6 inches <br /> clearance from the debris <br /> clearance from the sediment <br /> surface to the invert of the <br /> lowest pipe. <br /> Trash or debris in any inlet or Inlet and outlet pipes <br /> outlet pipe blocking more than free of trash or debris. <br /> 1/3 of its height. <br /> Dead animals or vegetation that No dead animals or <br /> ' could generate odors that could vegetation present <br /> cause complaints or dangerous within the catch basin. <br /> gases(e.g., methane). <br /> Sediment Sediment(in the basin)that No sediment in the <br /> ' exceeds 60%of the sump depth catch basin. <br /> as measured from the bottom <br /> of basin to invert of the lowest <br /> ' pipe into or out of the basin,but <br /> in no case less than a minimum <br /> of 6 inches clearance from the <br /> t sediment surface to the invert <br /> of the lowest pipe. <br /> Structure Top slab has holes larger than Top slab is free of holes <br /> Damage to 2 square inches or cracks wider and cracks. <br /> Frame and/or than 1/4-inch. <br /> Top Slab <br /> (Intent is to make sure no <br /> ' material is running into basin.) <br /> Frame not sitting flush on top Frame is sitting flush on <br /> slab, i.e.,separation of more the riser rings or top <br /> than 3/4-inch of the frame from slab and firmly attached. <br /> the top slab. Frame not securely <br /> attached. <br /> ' Fractures or Maintenance person judges that Basin replaced or repaired <br /> Cracks in structure is unsound. to design standards. <br /> Basin Walls/ <br /> Bottom <br /> 1 <br />