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•• ~ i .. 1~ ~° cowrr~nTron or sn ru~nrron; 1. WITHIN 60 DAYS OF PERMIT A1'1'ltC)VAT. T111:' A!'PT,TC'J,:JT IJr T.I. l'P~i!'T nC TILE I/iCATT 07:, EXTENT AND DESCRIPTION OF T!!1: PROPOSEn lIAI'li!'O 1II.S'J'Ol!1C 1)I.STRICT. T11E AREA OF THE PROPOSED lfAYDRO IfISTOftIC nTSTR7CT iJILf. DE nvtl(nr:v nrJn PRGl'ECTED UNTIL SUCH TIhlE AS ITS FINAL ELIGIDILITY IS DCTCRI•lINED. 2. WITHIN 180 DAYS OF PERFI7T ISSi1ANCE TIIF. APPLICANT :JILL CONDUCT A 1/2 h17LE BUFFER ZONE SURVEY AND SIIDh17T TlIC REPORT. T1IF. SURVEY CAN 1fE ACC1~h1PLTS1IED BY A LITERATURE SEARC1i OR DY A RECON!lAISSANCE SURVEY OF AREAS TlIAT HIGIlT DE IMPACTED BY BLASTING. TJIE DUFFER 20NE SURVEI' h1UST INCLUDE T/!E SITES SRT 147-152 WHICH ARE PROPOSED FOR ELIGIDILITY FOIi T!!E FEDERAL REGISTER. A DECLARATION OF NEGATIVE FINDINGS DY A CULTURAL RESOURCE PROFESSIONAL MAY BE BASED ON THE EXIST.INC CULTURAL RESOURCE REPORTS, PREVIOUS ARClIAEOLOGICAL SURVEY WORK ]ENE IN TIIE VTC]NI7'1' OF T7)E A17NE 1JIT11 SI?17T.AR ETIVIRONAICNTAL CONDITIONS OR LACK OF TOI'OGItAP7i IC FCATL'RE.S TlIAT CO11I,D C'O.VTAIN CULTURAL SITES. 3. WITH7IJ 90 DAYS OF NOTIFICATICJI! Ol' TIIF !'I NAI. E1.]C:T IJT I.ITI' FOR 7'!IG NATIONAL REGISTER OF !lISTORIC PLACES FOR CULTUR.17, RESOURCE STIES ! RT 147-157 AND T11E HAYBRO DISTRICT, THE APPLTCAN7' SlIAT,I. SUDPlZT A SATISI',1C7'ORl' PT1+N TO HITIGATE IMPACTS ON ANY ELICIRLF. SITE. ~ .~ 4. THE APPLICANT M115T RE.S!!DJ)T'I' TO lf1,R1) 7'111: 1+1i.SJt:;:'~ 1''x'12 'x111: F:7F1'i+7' AREA .SED714EI1T PONDS AT LEAST SIX h10NTI1.S 1'l;lril; '1'+i L'!!".'.ti'!'ltllr:'J'lti':, AJlli 1:::(;1'11'2: ,11'J'ItOV,17. rnrr THE PROPOSED DESIGN DL'FO1tL' l:(~l~i:::;:'(.'flJr; C''7J1.;'I'1:'rl(:7'I~~~•1 C,l' 7'111: PO"!1).S OR 11711ING I.N THE MOFFAT AREA. TlfESE nESIr7LS I,'Il.l, 1•::'I'I.1:'C7' r'nltl'1tN7• f11: r:rrLATOR)' IJES7C:1J CRITERIA AND APPROVAL fti7T,l. Rf: CriN'!'f,V~:l;I:'r Ci:1 ]1J1'nl'.'~;:~Ti+~i': Ir1:;dCi:l.S7'RAT'Tl:(• THAT TIlE PONDS OUSFLC%J h'ILL x11:1:7' l.:Pl~l,lR~:r.•r r.Jn17v,•rrnx;. 4a. PITTSBURC AND hfIDIJAY COAT. CO::1',llJ )' 1;: 1~11tEC'7'E7~ 7't~ I'J+CI',11t1: A::D SIIDFIIT, f71R APPROVAL BY THE DIVISIOIJ, GEOTECNNICAI, J~ND STAR.(L77'1' ,11:J~L1'SFS OF 7'!fE PROPOSED AfOFFAT AREA SEDIMENT PONDS. T!lESE ANAT.YS!>S S11GUL]) If'C:T.!il)L' CCJ1J.Sl nEIiATION OT' BOTI! BEDROCK (BEDDING PLANE AND .70INTING) AlJD SURFIC7A7. (ROTATIONAL) J~IATERITiL FAILURE SCENARIOS, EFFECTS OF OROIIND I:'A TER AND 1'ONDGI~ SURFACE WATER 71PON PO:JD SLOPE STABILIT]', TJIE POTENTIAL FOR CUT SIl~PE 1'AILURliS J+DOVE T11E EXCAVT,TED POIIDS, Al1D 2HE STADILITS' OF TIIF. I'7NAL Rf:Ci,J~71'):n cDlrr'rc;:TtA7•rn17. (STATIC SLOPE SAFETY FACTORS OF 1.3 MOST DC ATTATSF.D FOR I:GC:/Il1En CO:JFl CIL?AT: O.`75.) REPRESENTATIVE "1JORST CASC" Al::+LS'SL'S ARE ,1CCl:!"!',IDT.E, IF GEOT1:Cllf.'ICAI. A17AL1'SES SHOfJ THAT TXE POND SITUATIO~YS PI'.4POP,TCD T7 PC 1t~Pf?E SL:ITCD AitF. AlJAL000715. THE RESULTS OF T!lESE ANAL7'SCS J•11157' DE ,lPl'ItCJI'SI+ li)' 7'lIL' PTL'ISIO:J PRIOR 7'O T!!E COMMENCEMENT OF CONSSRUCTIDN Ol' A1J3' OF '1'lIL F!OI'1'A7' ARLA PO:JDS. 4b. TXE APPLICANT MUST COIISTRIICT DIVF: R.SIO:J DZTCI/ 1 TIJ 7'!!F. MOFFAT AICEA TO ENSfIRE THAT FLOW FROM THE DITCH DOES JJOT OUTLET INTO POND 8. TIlE APPLICANT hfUST ALSO PROVIDE EROSION CONTROL L'I' TIIF. D7'1'CI1 OUTLET 7» 1v;nTECT Tux. HECE!'/,':J~ GRAN FROh1 EROSION. 4c. TIfE APPLICANT Sl1ALL SUDMIT I+1:~1(:IJ !)A7'A Fr+R 1:,1('11 OI' 1'11 L' F:nll',17' ARL'A .SF.DI!".EJJTA- TI01! POND INF'LOIJ DITCIfES. '1'i175 IlJ 1'OiiF1A7'TO1J 511:~Lf, IIJCi,1171E I: VI UF.7ICE 7'1fAT DITCH SLOPES WILL PROVIDE POSITIVE DRAI;IAC:1:' TO TIlE I'U:1 US WITH ACCF.PTADT,C VELOCITIES. __ THE INFORMATION SHOULD ALSO DCMON.S7'RATE 7'IfAT DliltP_S TD DF, CO::.STRUCTED h'ILL NOT SIGNIFICANTLY Ih1POUND EATER.