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RECEIi/ED <br />JUP~ 14 2004 <br />Oiuisi0n of Minerals and Geolosy <br />8000 <br />7900 <br />LL <br />'-' 7800 <br />z <br />0 <br />a <br />w 7700 <br />w <br />7600 <br />7500 <br />16.4% <br />13 <br />1 1.2% <br />9.2% <br /> 17.3% i <br /> 1 .49, I <br />i <br />I <br /> 20.0% <br /> 18.8% <br /> I i <br /> <br /> 8.3% <br /> 18.89, <br />0 500 1000 1500 <br />DISTANCE (FT) <br />SIl PM-18 CHANNEL PROFILE <br />scuE <br />100' 0 tar xoo' <br />HaozalTAL s YtnncAL <br />2000 <br />2500 <br />2865 <br />8000 <br />7900 <br />7800 <br />7700 <br />7600 <br />7500 <br />PROFESS/OVAL ENGINEER'S STA TEMENT <br />1, Daniel % Keuscher, sl is channel <br />design was prepared ~kC6~{+ vision and <br />all the information p~~ec ~ true <br />and correct to th FY-S{~~ 'm}~ ~ ~ ge <br />and information. t3 ..._ <br />E. <br /> <br />U <br />a <br />U <br />TYPICAL GRA VEL LINED CHANNEL <br />NOT TO SCALE <br /> Desfpn Flow Slc a <br />~ Boffam WftlN Sftla Slope Depth of Velocity Freeboard iotel Depth Rlprep 050 <br />Channel O, Ictsl I IBWI IHnVI Flow IDI IRI Iipsl Ittl IfH Ilnl <br /> 111 AND 121 Iftl 131 141 151 <br />PM-18 1 8-20 2.0 ] 0.1 4.0 03 0.4 Grave/ <br />NOTES: <br />1.1 CHANNEL WAS DES/GNED TO SAFELY CONVEY RUNOFF RESULT/NG FROM THE <br />f0 YEAR, 24 HOUR STORM EVENT. <br />2.1 DES/GN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOG/C ANALYS/S. <br />3.1 DEPTH OF FLOW BASED ON M/N/MUM GRADE. <br />4.1 VELOC/TY BASED ON MAXIMUM GRADE. <br />5.1 GRAVEL LINED CHANNELS /3 INCH, MINUS MATER/AL1. <br />mos awe a t...ow, ~ e... a .x..o~. <br />a mm ens d eow.~ d n.. T. Iwaw _ <br />eov. I sewvoxs Dare Devon ev oaewx er xEgi~,~w,v~op ro <br />SENECA COAL <br />COMPANY <br />TYING TITLE: <br />CHANNEL PM-f8 <br />PROF/LE <br />Q T a r r a M a 4 r I X sneer 18 Of 29 sneer. <br />MOflTGOMFAY WATSON sCAf6 ExHIaIT Ha. <br />riueo 0r«a ~ ~^^~ 7-20 <br />