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_ <br />CLEAR PLASTIC <br />COVERING <br />PROVIDE ADEQUATE STRAPPING <br />10' <br />STAKE AND SAND BAG <br />POLYETHYLENE CAP CORRUGATED METAL RISER. <br />TYP. 10' <br />(TYP.) <br />SHALL <br />TYP. <br />- 2"x2"x3' WOODEN STAKEPLABE <br />COVERINGcn <br />MARONE—FOKED TINTERVALS <br />E RISER <br />-- - <br />PERFORATED POLYETHYLENE <br />INDICATE SEDIMENT DEPTH. <br />SAND BAG <br />1. <br />PLASTIC SHEETING SHALL HAVE A MINIMUM THICKNESS OF 6 MILS AND SHALL <br />DRAINAGE TUBING, DIAMETER MIN. 2" <br />_- A <br />_ - <br />MEET THE REQUIREMENTS OF THE STATE STANDARD SPECIFICATIONS SECTION <br />LARGER THAN DEWATERING ORIFICE.co <br />Lu <br />- <br />9-14.5(3): <br />TUBING SHALL COMPLY WITH ASTM <br />J <br />� <br />-- <br />_ — <br />F667 AND AASHTO M294. <br />- - A <br />- -- <br />2. <br />COVERING SHALL BE INSTALLED AND MAINTAINED TIGHTLY IN PLACE BY USING <br />WATERTIGHT <br />T <br />TACK <br />3.5' MIN. <br />- <br />-'CD <br />"III "-"I "' I" III-"' III _' <br />lll�„II <br />SANDBAGS OR TIRES ON ROPES WITH A MAXIMUM 10e-FOOT GRID SPACING IN ALL <br />COUPLING <br />WELDLLJ <br />EXISTING SD PIPING <br />n!III ,I ,III'II!hlin1, "Lll!!'n '_ <br />I=.. <br />DIRECTIONS. ALL SEAMS SHALL BE TAPED OR WEIGHTED DOWN FULL LENGTH AND <br />i <br />w <br />1 ll <br />III-'Il_III <br />_- 1` OVERLAP - ALL SEAMS TO <br />THERE SHALL BE AT LEAST A 12-INCH OVERLAP OF ALL SEAMS. <br />Of <br />� <br />a <br />20®Q-!!!rnllll'll1unllll = <br />- BE TAPED OR WEIGHTED DOWN <br />I_00 <br />",luIIII�I- <br />WITH SAND BAGS AT 10' <br />3. <br />CLEAR PLASTIC COVERING SHALL BE INSTALLED IMMEDIATELY ON AREAS SEEDED <br />6" MIN <br />=11=it=lil= <br />CENTERS ALONG THE SEAM <br />BETWEEN NOVEMBER 1 AND MARCH 31 AND REMAIN UNTIL VEGETATION IS FIRMLY <br />nllllll'lliiln <br />ESTABLISHED.Lu <br />1S" MIN. <br />DEWATERING ORIFICE, SCHEDULE <br />iilllL <br />In <br />III !!! 1= <br />II-'!! II !!I_ <br />1' OVERLAP <br />CONCRETE BASES <br />40 STEEL STUB MIN: 4"� <br />CD <br />CD <br />ISOMETRIC <br />CIE ", III i!! Ilho II <br />4. <br />WHEN THE COVERING IS USED ON UN -SEEDED SLOPES IT SHALL BE KEPT IN <br />= - - <br />u lull lll! <br />_ <br />SECTION ION A®A <br />PLACE UN IlL THE NEXT SEEDING PERIOD. <br />I .II=III iI-III III iii, ;lll <br />ALTERNATIVELY, METAL <br />� '-I ,Inlllllll' <br />�� uIIInIITi; <br />DETAIL <br />5. <br />PLASTIC COVERING SHEETS SHALL BE BURIED TWO FEET AT THE TOP OF SLOPES <br />2X RISER DIA. MIN. <br />STAKES AND WIRE MAY BE <br />USED TO PREVENT FLOTATION <br />� <br />IN ORDER TO PREVENT SURFACE WATER FLOW BENEATH SHEETS. <br />10' <br />RISERI I <br />_cn <br />6. <br />PROPER MAINTENANCE INCLUDES REGULAR CHECKS FOR RIPS AND DISLODGED <br />co <br />� <br />PLASTIC <br />I <br />DETAIL <br />� <br />PLASTIC <br />COVERING) <br />ENDS. <br />1® TSEDIMENT <br />1 <br />, _ <br />SCALE: N.T.S. <br />_ <br />SCALE: N.T.S. <br />z z <br />® (] <br />0 <br />a <br />UJ <br />=SCALE: N.T.S. <br />m <br />EMERGENCY OVERFLOW ELEV 16.55 <br />WATER SURFACE ELEV 15.64=iiIIIIIII'illlIII1ll <br />11-1 I I-1 11=1 I �1 11-1 11- <br />311 m 1 1.55' <br />ELEV.=15.00 <br />L = 6.0' MIN. 6" TO S" QUARRY SPALLS <br />MINIMUM 12" THICKNESS <br />IN <br />s � <br />yx <br />a <br />�� <br />xA <br />all <br />iJ <br />Y <br />� <br />z <br />ww <br />av� <br />F <br />COL. <br />;, ., <br />{:x <br />- <br />Lu <br />Lo <br />ff <br />L0 <br />'-s <br />— <br />0 <br />41 1 <br />ti <br />a <br />y <br />- <br />o <br />i <br />�. <br />Y 1 <br />;' <br />f <br />• <br />o <br />5 <br />g,. <br />i <br />o <br />CD <br />a„o <br />Ld <br />Ld <br />Lcl <br />f-" <br />Cc <br />LL' <br />Owwo W <br />d V cc <br />SHEE i N®. <br />Cl. 2 <br />t <br />P-1 <br />, I T i F EVE T TM <br />co <br />PROJECT NO. <br />REVIEWED FOR PERIT �r- <br />17733 <br />