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cause complaints <br /> or dangerous gases <br /> (e.g. methane) <br /> Sediment Sediment (in the No sediment in the <br /> catch basin) that catch basin. <br /> exceeds 60 <br /> percent of the <br /> sump depth as <br /> measured from <br /> the bottom of <br /> basin to invert of <br /> the lowest pipe <br /> into or out of the <br /> basin, but in no <br /> case less than a <br /> minimum of 6 <br /> inches clearance <br /> from the sediment <br /> surface to the <br /> invert of the <br /> lowest pipe. <br /> Structure Top slab has holes Top slab is free of holes <br /> Damage to ram larger than 2 and cracks. <br /> and/or Top Slab square inches or <br /> cracks wider than <br /> '/a inch. (Intent is <br /> to make sure no <br /> material is running <br /> into the basin.) <br /> Frame not sitting Frame is sitting flush on <br /> flush on top slab, the riser rings or top <br /> i.e., separation of slab and firmly <br /> more than 3/ inch attached. <br /> of the frame from <br /> the top stab. <br /> Frame not <br /> securely attached. <br /> Fractures or Maintenance Basin replaced or <br /> cracks in basin person judges that repaired to design <br /> walls/bottom the structure is standards. <br /> unsound. <br /> Grout fillet has Pipe is regrouted and <br /> separated or secure at basin wall. <br /> cracked wider <br /> than 1/2 inch or <br /> longer than 1 foot <br /> July 2014 6-2 LDC Job No. 13-144 <br />