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1= 81-67, - <br />BOTH WINGWALLS) <br />FLOW <br />DIRECTION / <br />Z. I <br />t I I <br />\\ 4„ /J <br />CDOT STANDARD HEADWALLS <br />s AND WINGWALLS M-601-10 -11 -20 <br />C'ZOD SCALE 1"= V <br />NOTE' ALL DIMENSIONS FOR HEADWALL AND WINGWALLS ARE PER CDOT STANDARD DETAILS <br />OW = 5040 80 <br />l nP) <br />CLAYLINER BACKFILL IN 9' LOOSE <br />CLAY LINER LIFTS WITH OVERBURDEN <br />COMPACTED AS NOTED ABOVE <br />TO TOP OF CONCRETE <br />FINISHED GRADE <br />OUTLET <br />PIPES <br />1 5' MIN <br />1' <br />FILL UP <br />OVEREXCAVATE <br />1' ALONG SLURRY 2' TO PIPE SPRINGLIGLINE <br />WALL 2 <br />EXISTING SLURRY WALL <br />DETAIL NOT TO SCALE <br />C SLURRY WALL REPAIR TYPICAL SECTION <br />C- NOT TO SCALE <br />NOTES. <br />1. REMOVE ALL TOPSOIL, DEBRIS, AND OTHER DELETERIOUS MATERIAL. <br />2 SCARIFY AND RECOMPACT SUBGRADE TO 95% STANDARD PROCTOR DENSITY OR 70% <br />RELATIVE DENSITY <br />3. EXCAVATE 2 FEET ALONG BOTH SIDES OF SLURRY WALL TAKING CARE TO NOT DISTURB <br />SLURRY WALL. HAND CLEANING OF PITRUN ALONG THE SLURRY WALL MAY BE <br />NECESSARY <br />4. DEWATERING WILL BE REQUIRED TO FORM A STABLE SURFACE <br />5. PLACE OVERBURDEN IN CLAY LINER, WITH A MINIMUM OF 40% FINER THAN THE 200 SIEVE, <br />IN 9 -INCH LOOSE LIFTS AND COMPACT TO 95% STANDARD PROCTOR DENSITY <br />6 OUTSIDE OF THE CLAY LINER, PLACE 9 -INCH LOOSE LIFTS OF PITRUN OR OVERBURDEN <br />COMPACTED TO 90% STANDARD PROCTOR OR 70% RELATIVE DENSITY. <br />7. FLOWABLE FILL SHALL BE VIBRATED TO COMPACT BELOW PIPE HAUNCHES <br />o� <br />I <br />4-d Br- JAB <br />awn By: RAP <br />edw BY FJD <br />C-201 <br />Sn-c <br />