EXH0600023893

PCHBPollution Control Hearings Board of the State of Washington

•. Here aresomeminor inconsistencies,et_. I pickedup when reviewingthe permit application._ didnotaffecttheoverallassessmentexceptto make ita bitmore time-consumingto5gumout. Othersmayabocatchthese. Theyarenotin a particularorder,mainlyinon:letof myreview. _ Sheet4 of44 JARPA:.Alignmentof.V-shapedbypassstructureinplanv_w doesnot matchsheet16 North arrow,assumedsheet6 wascorrect(thi,#structurehas been deletmlanyway-Pammetdx4/6/98). Sheet 4 of 44: Stream buffershown50' wide one side, 25' wide other which is assumedcorrectbecauseitmatchestextsomewhereforthisreach. However,sheet referencedheredoesnotmatchthesewidthsifscaledoff. Sheet 9 of 44: Where is the airportsecurityroad? Wouldthis additionpushthe streamfurltc_tothe left?.Justa thought,noanswer,needed. Shee_ 10, 11, .12,& 18 of 44: Elevationsdon'tall matchup ifyoutryto drawall the profilestogetherand match it withtext. For instance,the channelcross-sec_on sheet 18 is incorr_ drawn. I haven't_guredthis out but made my on-site es'drnatasinthef_.ld. Sheet 10 of44: Thisshowsthe relocatedMillerCreekchannelin a lO'-deepcut- I don'tthinkthe "existinggrade"inthe top halfof thedr-_wingis corm¢_ The steeply incisedctianneldoesnotappearto matchwhatwouldreallybe built {guess5' deep cut). I knowthescalesare exaggeratedH:V. Thiswas oneof my initialconcerns withthe plan,sincea 10'-dee.pcutissubstantialfora littlecreek. Sheet 13 of 44: This drawingis odd. Basedon rougtlmeasummerftandguassing otherdrawings,I estimated"variablewide" to be 5'-10'. This is approx,basedon sitevisitalso,butotherreaderswouldn'tknow. The drawingshowsa winterstorm ' 1 AR 023893 82/15/2882 15:53 2865223587 SI-ELDONASSC PAGE 83 I:PR.-B6-1998 23:1B P.02 d_dh of1', veryshallow.Th_ I usedMannino'smlUationto _ flows, usingn-0.035as_ inthe tBxt(thisseemstoolow,shouldbe 0.06+). Inshort, thisdrawingdoesnot desaribethe realproposed_ alltloughsome precisionisaUzrnptedwith3" measurements,etc, I condudodthebsd¢hydraulic • • calculationsforthe_ channelwereq_le aftertryingtoapplythb drawing.Thisdrawingwasprobably_ to beconceptual,butengineerslook at thesereldonshlpstocheckwith_ ex_ Sheet16 and17 of44: I hadquestionsllbouthowthese_res wouldspe_to, butuh_mtandmey havebeendelet_ from5'_ design.Thisis okaywnhme, I cameto9msameconolusionin the1tel& Sheet23of 44:A seriesoflogorrockwebsmakessermetocontrolerosion,butroot wads,anglelogs,anddeflectorlogs(seesheet25)aminappropriate(theyincrease bank_our tocreatefishhabllat):A_I_IIy,allthelagstructuresshouldbe mplsced wi_ rockweirs- easiertobuildand.there'snofishhabitattothinkabouthem. Sheet23of44:The levelspreader,=;'_'enoedto sheet20 isonsheet24. MillerCreekRelocationPlan_ 3.3:says"moresinuousmconsbuctodchannel wl_ a vadatyof naturalizedcreekfeatures'.Thisis _ andsomewhatmls. leading.Thevery lowstreamchannelgmdlentmmm$them_n_ be anypools really,and silt and sand daposltionam inevil_. _ am n-_u_l _'Imarn con_ andnothingto apologizefor. Thegenerictaxtimplbs1he_ w01be - • =onvert_lintosubstantlagyhigherqualitytrouthab;'.:4;I don'tknowh_wyoucando…
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