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U.S. Forest Service

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Bureau of Indian Affairs

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Private

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NWP-2012-512 1 of 17 ENCL

STEARNS DAM DECONSTRUCTION, FISH PASSAGE, AND RESTORATION PLANS

FOR CROOKED RIVER WATERSHED COUNCIL

PERMIT DRAWINGS PROJECT PARTNERS

PROJECT DESCRIPTION

American Rivers ,.,.,., ,

THE ST'fARNS DAM IS P1UV4TEl Y OWIEO Ar«l OPERATED UNDER A LONG-TERM LAI'«> LEASE AGREEMENT BETWEEN ll<E DAM OWNERS ANO THE BLM. ll<E LAND UNDER ll<E DAM ANO SURROUNOtNG THE DAM IS 8LM MANAGED PUBLIC LAHO. WIT>< FULL COOf'EAA TI()N FROM THE v.NDOWNEJI ANO 1l<E BUo1. T>E Cl'lOOKED RIVER WA WISHED CDUNCll IS PROV1DIOIG l£ADERSHP ANO 0\IVISIGHT TO RO.ICMi 1l<E FISH PASSAGE -R. 1l<E FOU.ow..cl OB.£CTllltS ARE PftO'.IIOED FOR THE PROJECT:

II -~OY£ F1SH PASSAGE ·STEARNS DAM DOES NOT PRO\IIOE ADEOUA TE FISH PASSAGE FOR STEELHEAD. CH1NOOOt REOBAHO TROUT, AND BULL TA:OUT; BUU TROUT AND MIO-Cot.UMSIA SUMMER STEELI-EAD ARE LJ$TEO A$ THREA TENEO UNDER THE FEDERAl ENOANGER£0 SPEOIES ACT. B.ASEO ON A PAST FEASIBILITY AN4l YStS CONDUCTED BY THE BLU, ll<E MOST COST EFFECTIVE OPTION FOR OBTAINING FISH PASSAGE AT THE SITE IS TO REMOVE THE STRUCTUME ANO AfSTORE THE CHANNEL AND RIPARIAN AREA IN THE PROJECT SITE

21 REMOVE REUC STRUCTURU ·STEARNS DAM IS AN AGING STRUOT\JRE THAT IS NOT AN ACTIVE PO*IT OF Dl\/tR$1011. HAS REACHE0 T>E END OF ITS USEF\Jl IJ'E. AND IS NO LONGER NEEDED FOR n<e PVAf'OSE FOR Wt«H ITWAS~NAU.YEIUILT.

SPATIAL REFERENCE SURveY CONTROL USED FOR THE PROJECT IS PROVIDED ON DRAWING 2.0 AND COORDINATES CORRESPOND TO THE TOP C:ENTER OF CONTROL MARKERS.

UQAR ANO TOTAl, STAT!Qtt HORIZONTAl PROJeCTION; OREGON STATE P\ME SOUTH LIDAR COU.ECTEO: JUNE o•. 2010 HORIZ 0A TUN: HAD83 (COR$ I II UICTS: US Sl.fiVeY FEE'T VERT DAT\JN· NAVOS!((lEOI) 0!)1 UNITS: US Sl.fiVeY FEE'T

REUSE OF DRAWINGS THESE DRAWINGS. THE IDEAS ANO DESIGNS INCORPORATED HEREIN. AS AN INSTRUMENT OF PROFESSIONAL SERVICE, ARE THE PflOFERTY OF RIVER DESIGN GROLIP. INC. (RDG) ANO ARE NOT TO BE USED. IN I'.'HOLE OR IN PART. FOR ANY OTHER PROJECT WITHOUT THE WR!TTENAUTHORIZATlONO, ROG UKEW1SE. THESE ORAWI'IGS MAY NOT BE AlTERED OR MODFIED WITHOUT AUTHORIZATION OF RDG. DRAWING OUPUCATlON IS Ali.O'o\110 F THE OfUGIHAL C0NTEHT IS NOT MODifiED.

STANDARD OF PRACTICE ROO WORKS EXCLUSIVELY IN THE RIVER ENVIRONMENT AND EMPLOYS THE MOST CURRENT AND ACCEPTED PRACTICES AVArt.AOLE FOR PLAHNING AND DESIGN OF RESTORATION ANO CHANNEL ENHANCEMENT PROJECTS. THE ANALYSIS FOR THE STEARNS DAM REMOVAL RELIED ON CURRENT FISH PASSAGE CRITERIA fROM OOFW ANO HEC.RAS HYDRAUI.IC MOOEUNG OF EXISTflG N«> PROPOSED CONOfT'IOt'ts. All WORK WA.$ PERFORUEO OR OftECTEO BY A. RE<USTlREO PROFESSIONAL CMI. EN()jNEER wm< PAST EXPERIENCE IN THE DESIGN AND t.IPVXTATIOH OF DAM REMOVAlS.

1.0 1.1 20 2.1 2.2 3.0 3.1 3.2 3.3 3A

DRAWING INDEX COVER PAGE AND NOTES PROJECT SPECIFICATIONS EXISTING SITE LAYOUT SITE ACCESS AND TAAFfiC P1..AH SITE ACCE.SS DETHLS OAAI REMOVAl PHASING DAM REMOVAl.. PHASE I DAM REMOVAl.. PHASE 2 OAM REMOVH.; PHASE 3 RIVER CROSS.SECTIONS

3.5 •.o 5.0 5.1 8.0

FUTURE ASH PASSAGE CONDITIONS SANI< TOE AUGMENTATION SITE RESTORATION AND REVEGETATION REVECETATIOH NOTES WORI< AREA ISOLATION ANO EROSION CONTROl NOTES

PROJECT VICINITY MAP

SW 1/4 OF THESE 1/4 OF SECTION 01, T.16S., R.15E., WILLAMETTE MERIDIAN CROOK COUNTY, OREGON

USGS QUADRANGLE: STEARNS BUTTE, OR

O~liCTIONOF ~ SECTIONOROET,o\IL SECTK>N ~ •

SHEE'T~SECTION OR DET AI. IS SHOWN

CROSS-SECTION SHEET REFERENCE

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NWP-2012-512 2 of 17 ENCL

~>1 2 GENERAL NOTES TO CONTRACTOR EQUIPMENT SPECIFICATIONS CONSTRUCTION SPECIACATIONS i;! ~ : ~s 1, tHE PROJECT SHALL BE CONSTRUCTED ACCORDING fO THE PLAN SET. Tl<IE 1. 111E CONTRACT~ SHAll FURNISH All EQUIPMENT NECESSARY TO COHSmUCT THE 1, CONSTRUCTION SHALL OCCUR IN ACCORDANCE WfTH TME PLAN SET. COfltSTRUCTtoN z~ jt~ CONTRACTOR StiAll NOOFY THE CONSTRUCTtON MANAGER OF AHY CHANGE$ PRK>R TO PROJECT. AT A MINJMUM, THE CONTRACTOR SHA.Ll PROVIDE THE FOUO'NING EOUtf'MENl SPECifk:ATION$. EOVIPMENT SPECl FtCATIONS. MATERIAL SPECIFICATIONS R£VEGETATtON IMP\.EMENTATK>N THE CONSTRVCTtON ~GER, ENGINEER, A.f'ID PROJECT INSPECTOR FOR THIS PROJECT; SPECH'ICATIONS ANO GENERAL SPECIACATIO>IS oo is FOR THIS PROJECT SHAU. BE RIVER OESICN GROUP I <C

~·THE EOUI't.!£HT SHAU. BE A8I.E TO RAISE AND PUCE A FIU.£0 8IAJC !lAO. 2. PRIOR TOCOHSTRUCTIOH CONSTRUCllON/4P:£.ASWLL IE STAKED OUT us.«) A odi";; 2. THE DAAWINGS INCIJJDE lOCATIOII. PROFUS SECTIONS. DETAilS NtO NOTES ....--..BUCKET 1101.\JioiE SHAll BE ONE (l) cueoc YARD($~ THE IIUO<ET SHAU. BE SURVEY GRADE GlOBAl POSIT~ SVSTEM(GPS~ TOTAl STATlOH, OR SURVEY lASER. '- -0 NECEss.AAY TO DESCRIBE THE WOfUt IF SITE CONOITIONS WARRAHT CHANGeS TO TlE EQIJlPI>EDW<TH A HVORAUUC 1'tU<8 FOR ClAA$PN; ROCK$, AND OTHER MATERIAlS. THE THE CONSTRUCTIOH MANAGER SHAll STAKE THE lOCATIONS OF THE COOSTRVC'TlON PlANS RIVER DESIO>< GROUP, INC RESERVES TilE RIGHT TO OllECT Tl<E CONTRACTOR TO EQUIP1.tEIIT ..._.,.T 8E CAPABlE Of CROSSIN() WATER AND WORK1NO ON OR ADJACENT TO ACCESS STOCKPo.E lOCA TIOHS, li!.ITS OF D1ST\JRBANCE. FlOOOPI.AIN EXTE""S. ANO All ~a &:. MAKE MOOIFICATIONS. NO CHANGES SHAll BE MADE TO THE DRAWINGS WITHOUT PRIOR STEEP SLOPES. A CHAIN S~ll 6E AVAM.A&l! FOR A IT ACHING CULVERTS. PUMPS NfO STRUCTURES ACCORDING TO THE PLAN SET. Tl<E CONTRACTOR SHAll MINIWZE () ~-WRITTEN APPROVAL OF RIVER 0E$K)N GROUP , INC. OTHER EOUtPMENT OR MATERIAlS TO THE BUCKET FOR TRANSPORT ON-SITE. OISTI.IRBANCE TO GAAOE STAKES. IF EXCESSIVE OISTUABAHCE TO GRADE STAKES BY THE ~~~

CONTRACTOR OCCURS. ll SHAll BE THE CONTRACTOR'S EXPENSE TO Re~T AKE THE - ~~~ DUMP TRUCK · TRUCK SHAll HAVE A MINIMUM BED VOlUr.E OF £10HT (8) CUBIC YAROS PROJECT 3. rN THE EVEI'ff Tl1AT A. PERMIT CONOITIOH CONFUC'TS W.TH THE OR.AW'HGS N40 THE TR\JCK SHALl BE CAPABLE OF DRl\11NG ON NO""""PHAI. T SURFACES AND OFF .ROAD • IC SPECIFICA 110HS. nE ISSUE SHAU. BE BROUGHT TO THE ATTENTION OF THE PROJECT SUIU'ACE$. 3. CONSTRVC'TlON ACCESS SHAU. BE DETERMINED BY THE CONSTRUCTION MANAGER. § f ENGINEER FOR CL.ARJ!'ICATlOH PRIOR TO PIWCEEillNG W<TH WOf'll CONSTRUCTION EOUIPMENT SHAU. NOT CROSS PRIVATE lAHD UNLESS PElW1SSlON 1S

TR.ASt-t PUMP· OISCHAA.GE C»ACftY SHALL BE AT t..EAST 225 GPM (0.5 CFS). TOTAL tEAO OBTAINED FROM THE LANDCIWNER. THE CONTRACTOR SHAll lEAVE All GATES W>tETHER .c. RIVER OESIGN CROUP MAKES NO R£PRESEHTATtON OF nE EXISTENCE OA LIFT SHALL BE ATUASTe5 FT. PUMPS SHALl fiE EOUIPPEO 'MTH AT LEAST 100FEeT OF .c· OI'EN OR ClOSED. AS FOUND. NOOEXIS feNCE OF UTILfTlES. CONTRACTOR IS RESPONSIBLE FOR CALLING THE OAEGON OtAMETER OUTlET HOSE. A PIPE WRENCH SHAll. BE AVAilABlE FOR ATTACHING HOSES. U) UTiliTY NOni'ICA TlON CE,.,.ER (~)H3«4) AT LEAST TWO WEEKS PRIOR TO DIGGING. FUEL AND O'L StiAU. BE SUPPliED fOR THE TR;ASH PVMPS, 4. STREAM CROSSINGS SHAll BE MIN1MIZEO DURING CONSTRUCTION. IF MUl f iP\.E

CROSSINGS (10 OR MORE) ARE EXPECTED. Tl<E CONTRACTOR $HAll PROVIDE AND INSTAll z S. COSTS INCURRED DUE TO PROJECT DElAYS RE$1.A. TINO FROM FAILURE OF TI-lE 2. AU. EQutPMENT SHAlL 8E WASHEO PAIOA TO MOOILJZATM)N TO THE SITE TO t.UNitA&lf TEMPORARY CULVERTS SO THAT EOVIPMEHT CAN CROSS T><e STREAM WITHOUT CONTRACTOR TO MEET T><E REQUIREMENTS Of Tl<E GENERAl NOTES TO COHTRACTOR. 1"HE INTROOUCTfON OF FOREIGN MATERlAl$ AND FLUIOS TO nt1 PROJECT SITE. All GE>IERATlNG EXCESS 1UR8101TY. TEMPORARY CUlVERT SIZES SHAll ACCOtJt.<GC)ATE 0 SAFETY, COHT'RACTOR OUAI.JflCA110NS. MATERJ.t-l SPECIFICAT10NS, EOUFMEHT EOUIPUEI<T SHAU. liE FREE OF OIL. NVDRAUUC FlUID. ANO DESEl fi.El i.EA!<S. TO ISO% OF EXPECTED BASC FlOW OURING COHSTR\JCT10H. THE CONSTRUC11011 MAHAGER SPECFICATlOHS COHSTRUCTIOH SPECFICATIOHS, AND PlAH SET SHAU. BE THE EXPENSE PMVEHT INVASION OF NOlOOUS WEEDS OR THE SPREAD OF WHRING DISEASE SPORES. SHAU. SPECIFY THE SIZES AND lOCAT10tiS OF THE 1'9IPGAARY CUJI'ERTS. - z OF Tl<E C0111'RACTOR. All EOOFMENT SHAlL BE POWER WASHED Of': CLENEO TO REMOVE ~ N#:J S.C... PRIOR 1- 0

TO MOBiliZATION tfTO THE PROJECT AREA. IT Will BE THE CONTRACTOR'$ 5. STRAW BALES AND Sll T FENCING SHALL BE AVAilABLE Ale) INSTAllED BY THE c( C> RESP<lNSIBilrTV TO INSURE THAT ADEQUATE MEASURES HAVE BEEN TAKEN. CONTRACTOR IF OEEMEO NECESSARY BY THE CONSTRUCtiON MANAGER, CON.STRVCTlON ....J w

FENCING (LIMITS OF DISTURBANCE\ SHAU. BE INSTAllED BY THE CONTRACTOR IF DEEMED ~ a:

SAFETY ) . EQUIPMENT SHALl BE fN A wt:I.L-MAtNT AINEO CONOmON TO MINIMIZE THE LIKEUHOOO NECESSAR¥ 8Y THE CONSTRUCnON MANAGER. CJ 0 OF A FlVIO I.CAK. IF A FI.UIO leAK DOES OCCUR, THE PROJECT INSPECTOO SHALl BE - 0 ui

1. THE CONTRACTOR IS RESPONSIBlE FOR COOPUANCE Ym'H AU STATE AND LOCAL HOTIFED IMMEOIA. TEL Y. ANO AU WORK CEAS.EO UNT1. THE LEAK HAS SEEN RECTiflEO. AT 6. nE CONTRACTOR SHA.U. EXCAVATE Tl-£ CHANNEL. TO DESIGN DIMENSIONS USING THE ~ ~ ...J ...J

lAWS. ORDINANCES. COOES ANDoOR REG!A.ATIONS APPIJCAIIlE FOR THE PROJECT. THE All TlMES DURING THE CONSTRUCTION PW.SE. Fl<Ml SPU. COtlTAit<MENT EOUFt.!ENT EXCAVATOR. EXCAVATION SHAU. COMPt.YV.'ITN CONSTRUCTION STAKES AND THE PlAH w > PROJECT INSPECTORWI.L OOCULtEHT AHY SAFETY \10t.ATIONS "TTNIESS£0 $HAU. BE PRESEIIT QH.SITE ANO READY FOR DEPU:mo~E><f SNOUlO AN ACCIDENTAl SPU. SET. EXCAVAllOH SHALL ESTASUSH CHANNEL a EVATIOHS TO F1tW. ElEVATION$ THE - lr w

OCCUR. PROJECT INSPECTOR R!OSERVES THE RIGHT TOREFVSE EQUIPMENT THAT DOES PROJECT INSPECTOR SW.U.INSPECT THE CHANNEl EXCAVATION FOR CQI.1PUAHCE V.'ITN CJ ~ z NOT MEET THE F'ftEVIOUS CR1TER1A. THE PlAN SET All EXCAVATED MATERIAlS SHAll BESTOCI<Pll.ED~ABOVE TKE ;r

BAN1<FUU CHANNa. UNTil HAUlED OFF.SITE OR USED O ... SITE. DISTURBANCE TO w <( a. 4. THE CONTRACTOR SHAll MAINTAIN A COMIUTE TOOl SET wm; COMMONlY REPLACED RIPARIAN VEGETA noN. CHANNEl8ANKS AND SOO SHAll BE MINIMIZED. EXCAVATED SOD A. Cl ' PARTS (E.G. 0-RINGS) TO MIN1MIZE OOWNTI.,E IN THE EVEN'T OF EQUIPMENT MALFUNCTION. AND RIPARIAN SHRUB TRANSPlANTS SHALL SE CAREFULLY STOCKPILED AND REUSED FOR (/) a:

CONTRACTOR QUAUFICA TIONS THE CONTRACTOR SHAll HAVE AN EMERGENCY SPILL KIT ON SITE DURING Tl<E PROJECT. PLANTING FlOOOPLAINS OR STREAM IIAN!<.S. U) z w > lr ;r

I. Tl<E CONTRACTOR SHAll HAVE AT LEASTTWOI2)V'EAR$0F RIVER RESTORATlOH 7. THE CONTRACTOR SHAU REJ.IOVE EXCESS MATERIALS. TEJJPORARY CROSSINGS ANO 1- <( COHSTRUCTlON EXPERIENCE AND SHAU. HAVE COt.IPUTEt> AT lEAST FIVE (5) RIVE" EOUFNEIIT FROM THE SITE. THE CONTRACTOR SHAU. REGRADE DOSTURBED AREAS ANO w 0 RESTORAT10N PROJECTS. SIM1lAA EXPE,.IENCEWl.l BE EVAlUATED ON A CASE BY CASE COHSTRUCTlON ACCESS ROADS TO T>tEJR ORIGINAl GRAOES. THE COHTRACTOR SHAll CJ 1- w

MOBILIZATION SPECIFICATIONS (/) ~ SCENARIO, TREAT COMPACT£() SOil AREAS INClUDING ACCESS ROADS ANO MATERIAl STOCKI'llE 0

I , ALL ~OBILIZA n ON AND OEAiOOtUZA TK!tol wtl.l. Be PERFORMED IN A SAFE AND ORDEAL Y AREAS. THE CONTRACTOR SHAll REMOVE SOil FROM THE PROJECT SITE IF THE SOL IS w 0

2. IF THE CONTRACTOR CHOOSES TO DESIGNATE AN EMPlOYEE WITHOUT OUAUFIEO TAI,.,.EO Will< PETRot.EUM-BASED flUIOS. A STRAW MUl CH 1$ TO BE APPliED OVER Al l a: STREAM RESTORATION EXPERIENCE, THE COKTRACTOR SHALL BE ON.stl'E AT All TIMES MANNER WITH PARTK:IJt.AR CARE NOT TO DAMAGE EXlSnNG VEGETATk>N OR UNDUE OISTURBEO AREAS FOUOYiil'fG OTHER TREATMENTS. ~ (.)

WHEN THE EMPLOYEE lS PEAFORMINO RfVER RESTORAT10N WORK. FAILURE TO ABIDE BY DISTURBANCE TO THE INGRESS-EGRESS ROUTE.

0 THIS CONOfnOH \\'ITHOUT PREVIOUS AGREEMENT WITH TlE CONSTRUCTION MANAGEA 2. THE CONTRACTOR 1S REsPONSieU FOR DA"-'GE INCUAAED TO PROPERTY RESOURCES WOUlD BE GROUNDS FOR T'ERMINA 110H. 0URtHG M081JZAT10N AND OE--M081UZ.A110N. VEGETATIOH THAT MAY BE CAUSE FOR a::

3. THE CONTRACTOR SHAll. MAINTAIN AT lEAST Sl.COO.OOO IN l 1AIIUTV INSURNICE AND CONCERN OURIIIG WOIIIUZATlOH ~l 8E ICEHTV'IED BY THE CONTRACTOR AND A. HAVE PROOF Of llASilrTV INSURANCE QH.SITE DURING Tl<E eNT1RETV OF PRO.IECT FlAGGED BY THE CONSTRUCTION t.WIAGER AT THE~ OF THE PRE.CONS'TRUCTlOII

CO>ISTRUCTION. MEETING.

<. THE CONTRACTOR SHAlL HAV£ PROOF OF WORKER'S COMPENSA noN INSURANCE 3. INGRESS AND EGRESS ROUTES TO THE PROJECT SITE Will BE IDENTIFIED DURING THE

ON-SITE DURING Tl<E ENTIRETY 01' PROJECT CONSTRUCT101'1. PRE-CONSTRUCTION MEETING. ~ ~ :::: "'"'

5. COPIES OF All F'ftOJECT PERMITS SHAU. BE POSTED QO+.SITE IN A V1SI8LE lOCATION. • . UPON COMPlET10N OF COHSTRUCTIOO< ANO DEMOBI.IZA T10tl ACTMTieS THE CONTRACTOR SHALl PERFORM SITE RESTORATION. All COMPACTED SURFACES ARE TO .,

THE CONTRACTOR $HAU. COfM'I. Y wm< THE I'RGII1SIOHS OF THE PERMITS THE 0 CONTRACTOR SHAU. NOTFY THE COHSTR1JC11011 MNIAGBI OF AHV KNOWN OW«lES OR Be RIPPED TO A ............ DEPTH OF &INCHES FOR SEE0NG PREPARATlOH. ORGNIC

~ ~ " ~ COHSTRUCTlON DE8111S SHAU. 8E PlACEO AT THE DIRECT10N OF 11tE CONSTR\JCT10N ~ ;:: ACTMTIES THAT COUlO I/10UTE PERMIT REOUIREMEN'TS PRIOR TO IMPlEMEIITATIOH. MANAGER ON SURF""S EXPOSED IMitKl COHSTRUCTIOi'l. SITE IIESTORATlOH ~lSE ~~

CERTIFIED COMPLETE IN WRITING BY THE PROJECT INSPECTOR UPON CQMPlETIOO< Of oo CONSTRUCTION ACTMTIES. s ~ H

MATERIALS SPECIFICAnONS Q 0: w .. t . THE COHTRACTOR SHALL FURNISH All MATERIALS NECESSARY TO CONSTRUCT THE PROJECT UNlESSOTl<ER PRO\I1SIONS HAVE BEEN AGREED l..aH PRIOR TO = ~ ~~ COOSTRUC110H. THE CONTRACTOR SHAU. OEI.NER All MATERIAlS TO THE DESICNATEO STOCKPLE lOCATIONS lABElED ON THE PlAN SET OR TO AlOCATlOH SPECIFIED BY 11tE

~ ~ '"" CONSTRUCTION t.WIAGER. II' A MATERIAl SOURCE HAS BEEN PRE-OETEIIMIHED. THE ~~ CONSTRUCTtoN MANAGER SHALL PROVIDE OfRECTtoNS TO '""'E CONTRACTOR. ~ 0

2. MATERIAl OUAI<TITIES, DIMENSIONS AND SIZES SHAll CONFORM TO Tl<E NOTES AND i . SPECIFICATIONS PROVIO£D ON THE PROJECT DRAWINGS OR ON THE MATERIALS liST.

PROJeCT~ 3. THE COHSTRUCT10N t.IANAGE~ SHAU.INSPECT NtO API'RO'IE All MATERIAlS PRIOR TO """'',..,. COHSTRUCTlOII. F MATERlAl$ DO NOT MEET THE..,__... REOUREMEHTS SP£CIAED I< ........... _ THE PROJECT ORAWI<GS OR 1AA TEIUAlllST, nE COHSTR\JCT10H ..........cvt SHAU.

1.1 REJECT THE MATERIAlS.

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NWP-2012-512 3 of 17 ENCL

CONTROL NETWORK

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COORDINATE SYSrat OREGOH STA\'t 1'\ANE SOUTH HORtZ DAt\IM: NAD63 ICORS 111 VER'l DATUM: NG'roM (GEOOD 091 UNITS: U.S. SURVEY FEET

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STREAM REACH CHARACTERISTICS POST BOWMAN DAM CONSTRUCTION

DRAliWlE AA£A --­ 263$ SO. MILES AVERAGE REACH SlOPE - --- 0.0024 FTIFT ACTIVE CHAt4NEl WIOJ11 ----80 • tOO FT 2-VEAR FLOW 1.71Scfs 10-VEAR FLOW -'.200 d& 25-YliAA FLOW $,28$ CIS 1QO.YeAR FLOW $,580 cf1; ~ :-:·:::::::::~r:r:=:>->DU.D< , MEAN OCTOBER FLOW --- - 160 CFS INWATERWOAKPERIOO----MY 1-0CTOIIER31 *=-~~·.::::- .. ·.·... ·:·:':-·.-: ·.·. ',/ " ~ """""-...=' .-:<' .·.· .-~-- -.-:-:~.!"·:-·-·. -:··-·. / ~o;>,.. / .. ' ·:-:-·--:-:----;-:-·-·.·:····--:-·.:,..: ....- /

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ESTIMATED STORED SEDIMENT AI'ORilON OF THE SECIMENT wm.< THE RESERVOIR WILL M081UZE ~THE DAM IS~ THE EXISTtiG RIVER CIWINEL WIDTH RANGES BETW££11110 F£ET N'O 100 FEET. M08U SEOINENT YOI.UME IN THE RESERVOIR WI>S OETEIWIHED BY EST'IMATING THE SLOPE OF THE RIVER AFTER DAM REMOVAL AND USI!<G A TYI'ICAl RlfF\.E ...0 POOL CHANNEL THROUGH THE RE~ AREA AT THE ESTIMATED SLOPE. n1E MOBILE SEDIMENT VOLUME IS ESTlMATEO AT 15.000 CUBIC YARDS.

(1) EXISTING CONDITIONS- PLAN VIEW

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NWP-2012-512 4 of 17 ENCL

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<D ~~:t:::'s~~~~O:r"::'2~~T~ BRIDGE fOR ACaSS TO THE LEFT SlOE ~ TlE ElClSTING !WI FOR PHAS£ 2 Of !WI REMOIIAL

@ :'us~i~~ ;=:.,~~~'!6~~~~~T~HEEX$TlHGOAMWU

® ~~AA~~:s~$~<:~~~~::~~~ .. ~~~6~~~~ ~~~E INSTALLED ON 4• X 8" WOOO POST PER T£MP0RARV SIGH PLACEMENT OOOT STANDARD DETAIL TM821 AND W000 POST SIGN SUPPORT$ ST A~ARO OETAILS TM 870, TM871.

@ ~,.s~~~~~i~~:!~~=~~~~:~~;~;~~g8E INSTALLED Otu• X s-W000 POST PEA TEMPORARY SIGH PLACEMENT OOOT STANDARD OET>JL TM821 ANO W000 POST SIGH SUPPOIITS STAhllAAO DETAILS TM 110. TM871.

@ INSTALL CONSl'JIUCTlON FEHClNG PER OETAft. 3 DRAWING 2-2

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1\~1-2~

DRAWING NIMBER

2.1 ~4fl1f

NWP-2012-512 5 of 17 ENCL

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PROPOSED PROJECT PHASING PHASE 1

1.1 INSTALL TRAFFIC SAFETY FEATURES IN ACCCJROANCE WITH THE APPROVeD OO()T TRAFFIC PlAN. ORAwtNG 2,1,

1.2 MOOIUZE CONSTRUCTION EOUIPM:ENT AND FACIUTIES ON $1TE •

1,3 INSTAll CONSTRUCTION ENTRANCE ANOPII0\110£ SITE 1\CCESS TO THE EXISTING OAM

SA INSTALL ll!MPORARY SAND BAGSIBULK BAGS ON RI<WIT PORTION OF OAM fO TEMPOAARII.YONERTWATER UPSTREAM OF NOTCH LOCI\TION TO ISOI.ATE SECTION OF CONCRETE STRUCTURE FOR R£1.t0VAI.. INSTAU TEM!'OAARY BRIOGE CROSS_..G FOA ACCESS TO RIVER LEFT SlOE OF STRUCTURE.

1.S P£RFOftMFISHSAI.VAGE tN ISOlA TEO AREA.

1.8 EXCAVATE AMR PLOT CHANNEl (.APPROXIW.TEl Y iO FT 80TTOto4 WIOfH} UPSl"REAMOF DAM TON4 ElEVAllOHOF2916.0FT N«>NOTCHRtGHT SIDE 0# El<ISTl>ICl CONCRETE DAM Sl'RUCTUAE TO SAI.tE El..EVATlON. AlliER SHAlL FLOW THROUGH NOTCH N<0 UNOER TEMPOAARV BRIDGE. EXCI\VATEO MA TERW. StWJ. BE usa> TO FlU. APPRO-TEL Y 11;0 FT ~ ElOSllNG DIVERSION DITCH AOJACEHT lOtfNY 27 OCIIhtroiS'TREAMOF DAM STRUC~. APPROXMATELY aiOO CUBIC YAADS CONCRETE. t200 CUBIC YAAOSNIGUI.AR ROOitN<O 175 CU81C YAROS OF GROUTED Al'ftO!I ROCK.

11 A.CTf!IATE8YPA$SCHAH"'EL8YREMOVINGSAHD BAGS/9UtJ( SAGS T'kATAAE ISOLAllNO THE IVP..SS CHANNEL ISOI.A TE l EFT SlOE OF 01\M UI'STREAM ANO OOWHS'TREAM OF $fRUCTURE AND PERFORM FISH SAL VA.GE IN tSOLA. TEO AREAS

PHASE 2 2.1 ACCESS RIIIEA LEFT SlOE OF STRUC'I\IRE BV MEANS OF TEM!'OAARY BRIDGE

INSTALLED DURING Pllf\SE I OF CONSTRUCTION.

2.2 REMOVE El<ISTING CONCR.ETE OAM STRUC'I\IRE, TIMBER CRIB STRUCTURE, AND RIVER LEn ROCK WALt. BY STARTING AT nE RIVER lEFT EDGE OF STRUCTIJAE AND MOVING TOWAAOS 11-IE CENTER OF THE CHI\'""EL. ALL RUBBLE TO BE HAULED OFFSI'TE TO APt'ROVEO 01$!'051\L LOCI\ TIOH. 1\P!'ROXIMA TEl. Y ..00 CUBIC YAA06 C<lNC>tETE, 1570 CUBIC YAROS 1\NGUI.AR ROCK. riO CUBIC YAROS OF GROUTED APRON ROCK. AND ~ CU81C YAROS OF MORTARED WALL ROCK.

Z.3 EXCAVATe LEFT HAI.I 0¥ FISH PASSAGE PtlOTCHAN\19. TO LINESNI/OGRAOES ON PlANS.

U GRADE NlO veGETATE RIII[R L£FT BAN< PER DRAW1HGS 50 AND 5 1

2.S REMOVE PROJECT ISOLA TlON ~. taFORARY BRilG£ N<O ASSOCIATED FOOT'I<GS

PHASE 3 3.1 REMOVE REMAINING RIVER R1GHT PORTION OF EXJSnNG CONCRETE OAM. IWEA

RIGHT W1NG WAU STRUC'I\IRE TO Ra.WN IN PlACE. AU. AUeeL.E TO BE Hf\ULEO OFFStTE TO APt'ROVEO Dt$!'051\L LOCI\TION. APf'ROXIMI\TEL Y 140 CUBIC YAROS COHORETE. t85 CUBK: YARDS OF ANGUI.AR ROCK;,

3.2 EXCI\VATE RIOKT HAlf OF FISH PASSAGE PILOT CHN<NEL TO LINES 1\ND O!WlES ON PlANS.

3.3 AUGMENT EXISTING RIPAAP AlONG HIGtiWAY 'l7 FOR BANK STASIUZATK>N PEA DRAW1NQ 4,0, TREATMENT LENGTH t.400 UNEAL FEET

3..4 RESTORE STAGING AREA AHO ACCESS ROUTE TO OmGINAl CONDITIONS ANO P\.ANT WITH NA fiVE PLANTS PER DRAWINGS 5.0 AND S. l .

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NWP-2012-512 6 of 17 ENCL

I ~ Olf C'lfi,IJCif

~ SECTION A - A '"'" ,_

I r.~W~···- ,_ ·- ' ' ' ~·v-;, _,_, . - - , -·1 Pilfo:· •; ·"! ·-, :- ~·""'•.:•··· ,. 'l ..... oo:··: "' · "';: :$:} '.

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0 GRAVEL CONSTRUCTION ENTRANCE

.... ,_ - -1 n.......,... ., . .. '-""""'-- 36 Nllo. ('01 • ). s--..'"""' ............ ............. __ _,11"'-(0-$..,. 1 l'M,...: ..... .,_~ .... """""" .. '*'""" ........ J. lf ..... W..hr<R•IIIIIWio ..... O.CUII"'- • ...,.._,... \o ... tM-.rjllou.

~££~~-;t~·$t,:;~~:..:: == :_. (~fill 12 l!lc'- (CUm)), -...,. ...,_,v.,.._lo '~ '-_.~ h ._... IIW'I't '-•· ,ott .,_.,..,....!'lOt~ I t..t (U 1'1'1 .. s. r-.,. ..,.., ""''-• ...,._ t. A lr..-ct> llhot M ••ow.!"" ..,.ooilmot-, 4 ....,. ( lOt -)""" _. f ~ (0.' M)..,

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NWP-2012-512 7 of 17 ENCL

2935

2930

2925

2920

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---- -~--"

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'APPROXIMATELY 260 CUBIC YARDS Of MATERIAl

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U'-TEOCHAMie.~HT _/'' POST DAM RDIOVAL '

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ORDINARYHIGHWATER(OHW)_j \I BEFORE STEARNS DAM REMVOAL

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2915 2915 0+00 0•10 0+20 0+30 0+40 0+50

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PHASE 2 CONSTRUCTION CALLOUTS CD ~~~,:;'~"-NORTHEAST ALONG HIGHWAY 27 PER ACCESS ANO SlAG<NG

® RIVER RIGHT WING WALLS ANO RIVER LEFT OOWNSTREAW ROC~ BANK TO REMAIN

® ~=,e:~:b"::u~~~~;~~.:O":~:~~~i~!~~:~~o REBAR AND STEEL REMOVED. ALL AUBIIlE TO BE HAULED OFFSITE TO APPROVED DISPOSAL LOCATION. REMOVE APPI<OXIMATELY 365 CUBIC YAROS OF CONCRETE, 670 CUBIC YAROS Of ANGULAR ROCK. AND 50 CUBIC YARDS Of loiORTAREO ROCM

@ ==·~':e~~;;,~~~"fc!.s;..~~~~~~y=:~~ PAESERVIi EMmNG 17' Of!H COTTON WOOD TR£E.

®~~~=~~~~~~~~~=~ASSAGE SEDIMENT.

® REWOVE Sl. T CURTAINS AND TEioiPOAARY BRI!lGE

ex\TING W1NG \ \

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NWP-2012-512 8 of 17 ENCL

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TE>oi'OAAR'r CONSTR\ICTION A IOUNOARY F~CE

0 PHASE 1 DAM REMOVAL e-""1

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PHASE 1 CONSTRUCTION CALLOUTS

<D ~~=~~~~T~~=~TIWFK:

® ~~0:~~~~~~~~~~;~~~~ SHAU. BE-E TO PASS 200CFS WITHOUT TOUCHING BRIDGE STRUCTURE

@ :~~~~.~~=~~~OVEDALTERNATIVE PER DRAWING 80 TO

@ ~~~~~nv:.e~A'i:~~~=l:;tREAS OEFISHNG WITH SEINE NETS AHO El£CTROSHOCI<ING F NECESSAft(. ENTlRE SAlVAGE SHAll. TAKE I..E$S TliAH 24 HOURS.

® ~~~~::~-=~TO~o:.~..=o~~ 100 CUBIC YARDS OF CONCRETE. 200 CUBIC YARDS OF AHGIAAA A00< I STREAM SEDIMENT. AHO 75 CUBIC YAROS OF GROUTED APRON ROCK. C0NCAET£ AHO ....-.£ SHAll. liE -N INTO 7 8Y 7 PIECES Nl/0 All. EICPOSEO REBAR AHO STEEL REMO\IED AHO OISPOSm OF OFF .arT£ AT A l.fGAI. OtNP!NG FACUTY

® =~~~~:~~.~~PEAL~=-:;gATE S~FACE PER REVEGETATION PLAN (CIIAWING5.0AN05.1~

<V ==~~=~;;:~~~~~:=:,~~~~:o~~~:LLEO SHALL BE COORDINATED WITH DDFW AND CRWC AT LEAST FOUR DAYS PRIOA TO LOWERING THE RESERVOIR.

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NWP-2012-512 9 of 17 ENCL

-~ 24+00 ....

/---EXISnNO GROUND~/

/ APPROX 0HW /

StW'E CHANNEL

,.,.,, __ LEFT lANK GRADING

2t20 (t2:1 SlOPE)

"'"' =-- ·-M~M / ~-~ Z' ==rm1W@/fPrWe~~4W&-d???.za'""" __ / ~

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NWP-2012-512 10 of 17 ENCL

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@ RIVER RIGHT W1NG WALI..S TO REMAIN. ENSURE CONCRETE EOOES ARE SMOOTH

@ ~:c~~a~;:~:gs;~=~~~~~~~~c:~~ STEEL REM0\/£0, All RU8BLE TO BE HMILEO OFFSITE TO API'RO\I£D DISPOSAL LOCAllON. REMOVE APPROXIMATELY .00 COIIIC YARDS OF CONCRETE. AND 15 CUBIC YAROS OF ANOUI.AA 11001< REI'OSITlON EXISTING AHGUIAR BOUI.DERSIROCK TO PROTECT ElCPOSEO SANK AND Bl.END .. TO REWJt<ING CONCRETE STR\JCTURE ESTlMATEO QUANTITY 50 COIIIC YAROS.

@ ~~~=.o~~~~~=~...::;.:.s" ROICKISTitf.W SEDIMENT

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NWP-2012-512 11 of 17 ENCL

...-\ )~ '\ APPROXIMATE EXJSTlNG OROI~RY HIGH WATER (OHW) ...-...-...-

" " WITH STEARNS DAM 01 PLACE~

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CONSTRUCTION CALLOUTS

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CD INSTAll OOOTCLASS 200RlP RAJ) AT TOE Of SLOPE AT THE otRECTIOfll Of THE PROJECT ENGINEER UP TO •oo CY. STA 21•80 TO 2!.00.

® =:;!/zE~~~~~~~~~~~L::S~NT::~;~~~~~I<Y (1) BANK TOE AUOMENTATIOJ!.LAYOH! '*'\ TRAFFIC CONTROl HAN08001<.

2940

2935

1". 50' .. [ HJGHWAY27 __ _....

2930 .,.:j-'--2925 ./'(" \_ElCISnNGGROUNO

~{;f '-2920 -:? EXISTOIGRIPRAP

2940

2935

2930

2925

2920 2915 ;..., ;:s.:~~~,...zoo,:r~~AREAS 2915 2910 ~YDE:~rw..t..-..::t Dll"''lltT EXPECT£0 g_-.. ·-- . - .

SEiliMEHT EVACUATIOH ~;:~VOli.JtiE • ZOOCY 2910

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NWP-2012-512 12 of 17 ENCL

2930

2935

2925 .......... I !WIWIIIF\JU.OIW<NEL-----1~ ~~-, 1 : ' ~ ' . + . . · ~~~. ·-::-~- .- -0+00 o•so 1~

(3) FUTURE RIVER SEC!!,ON = ~~~"1r::c

2935

2930

2925

2920

2915

(1) FISH PASSAGE LAYg!fT = I" . 100' ~'

2930

HIGH FISH PA$$AOE WS (5% EXCEEDN<CE! JEXISTllfG TIW.WEG STEAAHS 0M1 TO liE REMOYEO POST SEOIMEHT EVACUATION """"'-

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2900 2900 14~ 15+00 18400 17.00 18.00 19+00 20+00 21.00 22.00 23.00 24.00 25+00 26.00 27.00 28+00

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REVEGETATION NOTES

GENERAL NOTES 1. ALL PLANT MATERIAL tdl.JST BE CLASSIFIED AS HA TtVE FROM ntiS REGION ANO NON.CLOHAL IN ORIGIN.

ALL NAT1\I'E PlANT MATERIAL TOBE USED IN PLANTING AREAS TO ORt~NAT£ FROM PARENT SOURCES Wlll41N 50 Ml.ES OF StTE. SEED SOURCE h.tUST BE AS LOCAL AS POSSIBLE.

2. INSTALL TREE AND SHRUB SPECIES IN RANDOM OROVPtNGS. AVOIDING LINEAR ROWS OR AS DIRECTED IN FIIEI.O. WITHIN CLOSE PROXlMITY OF EXISTING P'LAt-rriNGS OR NEWL V PLANTED MATERIAL. THE INTENT IS TO R£P\K:AlE NATVAAL PLANT COMMUNITIES BY PROVIOING A LAYEREO UNDERSTORY CANOPY WITH A MIXTURE OF TREES.

T><E PlAimHG mil SEEDING !'.ReA tS TO COVERED WITH TOPSOil. IF MS TOPSOL IS OEEMEO BY MOJECT EHGINEEII TO BE INAOEQVA TE. IMPOIITEO MATERIAL SHALL BE USED TO POCI<ET PI.NIT THE P\ANTS f.l UPI..N«). RPARIAH. EMERGENT. AND WE-n.Arc> SfT!S.

• . THOA~Y WATER All f\NfTS .. IMEOIATELY FOUOWINCINSTAU.ATIOH TO PROVIDE MAXIUUU SOIL COHT ACT IWO TO EIAW<ATE- POOI<ETS. AFTER P\NITIHG EACH P\NIT, -E A TWO (2) INCH lAYER OF MU.Oi AROIH> OIS1Ul8EO AA£A

WILLOW STAKE PLANTING V.'IUOW STAKES SHALL HAVE J.tiNDAUM D&AMETER OF t .$" .t.N0 ... fliWM LENGTH 4'. THE STAKES SHALl BE CUT FROM NEAA8Y P\NITS TO ENSURE COt.tPATIBLrTY IF POSSIBLE. OR LOCAL "ECOTYPES'. STAKES SHAU. HAVE SlOE BRAHCHES ClEANLY REMOVED 11\'fTH 8ARK tNT ACT. BASAl ENOS CVT AT AH ANGLE AND TOPS CUT SQUARE.

2. STAKES SHALL BE CUT AND INSTALLED ON THE S"ME OAY.

STAKES SHALL 8E INSTALLED WHILE fN THE OOR~NT STAGE, NOVEMBER 1 TO FEBRUARY I SIN THE ROGUE VALLEY, UNLESS IAAIGATION OS PROVIDED. STAKES SHOULD BE DEEP ENOUGH TO CONTACT THE LOW SUMME~ WA'Il':R LEVEL.

4. STAKES SHALL 8E INSTALLEO ON 2'CENTERS wrTHSO% OF THE STAKE LENGTH lNSTALl£0 INTO THE OROVHO W1~ FIRM SOil IN CONTACT WITH THE WIU.OW STAKE. A PIECE OF REBAR SHOULD BE USED AS A PILOT HOle FOR THE STAKE.

5 TA~1P STAKES INTO GROUNDwmt A D£A0 81..0W HAMI.EA. (MAM\ER HEAD FLlEOwmt SHOT OR SIWO)

S -LOWCLI.U'S ARE ~"D TO~ S UKES ON THE LOWER HALF OF THE STREAI.IIW«. INSTALl. PER NRCS PI.NIT Mo\TERIALS TEOHCAL NOTE 4~

WILLOW CLUMP PLANTING I , 'tYII.LOW' ClUMPS SHAU BESAI.VAGEOFROIA 1l4E EXCAVATEOCHN-INE"L AREA, FILL INAHY HO&.ES

WHERE DONOR CLUMPS ARE EXTRACTED IF OUT SlOE THE CHANNEL EXCAVAnON LIMITS.

2. WILL()\\! CLUMP PLANTINGS SHALL FOllOW THE NATURAL RESOURCE CONSERVATION SERVICE (NRCS) PLANT MATERIALS TECHNICAL NOTE •2 12003~

3. LOCATE AND UTI.IZE YOUNG AND VIGOROUS (8' • 20' l ALL) WIUOW CLUMPS IN CONSUl TAllON WITH THE PROJECT ENGINEER. OtG THE WillOW CLUMP Uli.IZ1NG A. TRACKHOE BUCKET AND OBTAIN AT LEAST 75" OF THE ROOT MASS. 00 NOT ALLOW CLUMPS TO SIT MOAe THEN 1 HOUR OR ORY OUT. TRANSPORT ClUMPS TO PLNffiNG SrTE.

.a D'G A HOI.E UT1.121HG THE T'RACKHOE. BUCI<ET TO fHI SAME SIZE N«J SKAPE Of THE CLUt.ff'l. HOLE SHALL BE TO AOE:Pltt..KJST ABOVE Tt-E SlNC:MNGWATtR TA8LE AHONOT NTOllE WATEA TABLE . PACK THtSOI.. FIR,._Y IN THE EXCAVATED HOlE UPON INSTAl.l.ATION

S Aflt.R INSTAU.A T10H. CUT OFF APPROXIMATt.L Y ~Of THE WUOW TOPS STRAIGHT ACROSS WILlOW Q.UioiPS SHALl. BE PIJOCEO Al'f'R(I)(IMATElY IS fEET N'ART.

SOD & SOIL SALVAGE FLOOOPVJN SOO AND SOl. S~L BE SAL VAGEO TO THE UA.XNUM EXTeNT PR.ACllCA8lE IN AREAS THAT AAE. TO 8E OtslURBEO. SOD A,..,O SOIL SHALL B£ TRAHSPOA.TEO ANO STOCKPitEO AT A CONVENIENT LOCATION OETER..,NEO BY THE PROJECT ENCINEER AND CLEAR!. V FlAGGEO. STOCKPILE SHALL BE I~FUOATED ON A REGUlAR BASIS AS NECESSARY TO MAINTAIN MOISTURE IN THE SOD AND SOIL. T><E SOD ANO .SOIL SHALL BE USED TO COVER OlSTURBEO AREAS OR AS DIRECTED BV THE FIELD ENGINEER TO PR.EPAAE AREAS FOR PLANllNG. TRANSPLANTED SOO .-NO SOfL SHALl BE TRACKED OVER WITH AH EXCAVATOR AND GAPS BETWEEN SOO STRIPS SHALL BE FILLED WITH HA T1VE SOILS AND SEEOEO WITH A NATIVE SEED MIX.

EROSION CONTROL SEEDING ALL OISTUR!IEO AREAS SHALL BE BROADCAST SEEDED 'h1TH AN ~EROSION CONTROL~ SEED a.tlX AHO COVERED wtTH STEm.£ STRAW. AREAS SHALL 8£ IROAOCAST SEEDED WITH A SEED MIX CONTAf.IING NA TIV£ SEEO {SEE RIPARIAN ~GElATION SCHEDULE T><tS SHEET) AND STERLE CEREAL RYES. THtS SHN..L IE ACCOMPLISHED WITH A -ROAOCAST SUllNl METHOD AND T><E SEED SHALl. BE RAI<EO ONE OUARTEII (.25) INCH INTO THE SOIL 1W0 COUP ACTED WITH A S.OOO POUND OR LESS TRACI<£0 YIOHICU N<O THEN COIIEIIEO WITH S'll':RLE STRAW. THE .......... APPLICATION RATli -L BE THE MN«JJFACTURER"S AATE OR 30 l8S PER ACRE. COHTRACTOII' W1..L PROVI:>E SE:EO UDC CONS1TT\.9fTS TO PROJECT INSPECTOR FOR N'fl'RDVAL

SIOEeRANCH REMOVED AT

SLIGMT ANGLE

.as• TAP€RE.O BUTT END

lt~TTOPENO

ALL LATERAL BRANCHES SHALL SE TRIMMED TO AVOID OAMAO!!,

1; I A MINIMUM OF TWO LATERAL 8UO$ SHALL BE A80'1f: T><E PlANTING OEPTH

AL.TERNAT£ NSTA.Lt.AT10N PROCEDURES MAY BE USED UPOH COHSULTATION Willi RJVER DESIGN GllOVP PllO.IECT EI<GI>IEER 0 WILLOW STAKING DETAIL

NOT TO SCALE

MOUGHT TO\.ERNIT H.\ TillE PLANTS

~EOUENTLY SATUAAT'EO SOILS

SEASOHALLY SATURATED SOLS

PERMANENTL V SA lURA TEO SotLS

SEASONAllY LOWWAfER TABlE ELEVAf!Ofol

EMERGEJIIT ANOWETl.Af'fO

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APPROXIMA.Tt. LMT Of ~NNIAL 'lf:GETAT10N

PlANTING ZONES PROVDEO ARE APPROXIMATE. APPROPRIATE PtANT S.PECtES AHO 0 pLANTING GUI DELl N ES DISTRIBUTION VARY WITH EAC>t INOIYIOUAL SITE AND PlANT SPECIES CHARACTERISTICS. 1

NOT TO SCALE

RIPARIAN REVEGETATION SCHEDULE COMMON NAME SIZE INSTALLATION

:(l REO.OSIER DOGWOOD 2 T05GALLON i601ACRE

::> SNOWBERRY 2 TOSGALLON i60/AC~E

~ ROSE 1GAtlON •WACRE

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SITE RESTORATION NOTES

AUI>IU.IAGI;ODRDISTUR8EDSTREANIWIKSARETOBEIOI!ST~TOANA~SlOPE PArnRH AND PAOFU SUITABlE fOR ESTAIIIJSHMENT or P£RioWI£HT WOOO'f VEGETATIOH.

AU DISTURIIED STREAMIIAHK VEGETATIOH IS TO 8E AEPlACa) USE AVAAIETY Of SPECIES NA 11VE TOnE PROJECT ARE PER ORA WINGS. I , REPlANT NIO RESEED EAC>< AREA RECIUlR!HG REVEGETATIOH BEFORE nE El<O or THE FIRST PlANTING SEASON FOllOWING COHSTRUCTIOH

NO PESTICIDES.INCLUOIOG >ER&ICIOES. WILl. BE AU.OW£0 wmtiH 150 FEET or WAnRS Of T>E STATE. MECHANICAl.. >WID. DR OTHER METHODS MAY BE USED TO CONTAOl W£!DS ANO UNWANTED VEGETATIOH. FERTIUZER APPUCA TIOH WITHIN eo FEET or ANY STREAM C><ANNEL WILL NOT BE AUTliDRIZEO.

STOCMPilE ALL WOODY MATERIAL- NATIVE VEGETATION. ToPSOIL, AND NA TlVE CH"'INEL MATERIAL OISPLACE.O BY CONSTRUCTION, AND USE AS APPROPRIATE FOA SITE AEST~TION ACTMTlES. THE RESTORED SITE SHOULD SHOW THE FOLLOWING FEATURES. AS APPROPRIATE. AT THE END OF THE MOOITOAING PERIOD: BARE SOil SPACES SHALL APPROXIMATE Tl<E SIZE AND DISPERSAL PArnR OF PAE·EXISTING CONDITIOHS; SOOt MOVEMEHT. IIUCH AS ACTIVE RILLS DR GULLIES AND SOIL DEI'OSITIOO AAOUNO PLANTS OR IN SMALL BASINS, 8HOUUl BE ABSE!<T OR SLIGttT AND LOCAl

PIOI!-PROJECT EAODEDAREAS SHOU.O BE STAIIUZm. PtNIT IIATEIIIAL. E 0.. LEAVES. BRANCHES. ETC., SHOU.O 8E WEU. OIS'TRl8UTED AND EFFEC"IM 1H PAOTECTlNG THE SOIL wm< FEW DR NO LITTER DAMS PA£SfHT NATIVE WOOIJ'f AND HERBACEOUS VEGETATIOH. AS APPROPRIATE FDI' THE liTE COIClmOHS, SHO<.U> BE PIOI!SEHT AND WEll CIS~ ACAOSS THE SITE PER ORA'MNG 5. I VEGETATIOH STRUCTURE SHOULD RESUILT IH ROOTING T><ROUGHOVT TH£ AVA08LE SOL PROFll£. PLANTS SHOULO HAVE NORIIAL. \'IOOROUS GAOWTH FORM. AND A HIGH PAOIIA8IUTY or REMAIIING VIGOROUS. HEALTHY AND OOMNAHT 0\'ER UNDESIRED COMPETING VEGETATION, STREA!oiBANKS SHALl HAVE UESS THAN 5% EXPOSED SOIL wm< MAAOIHS AHC><ORED BY DEEPLY ROOTED VEGETATION OR COARSe-GRAINED ALlUVIAL MATERIAL

TEMPORARY ACCESS ROUTES AND 0-ntat AREAS DISTURBED OliRINO CONSTFtUCTtON WILL 8E REHABILITATED TO SIMilAR OR BETTER THAN PRE-WORK CONDITIONS AT A MINiMUM SfTE RECLAMATION ACTIVITIES SHALL RESULT IN P\ANT OtSTRISUTION ANO OEHSITY THAT MATCH ~RE.I>ROJECT CONDITIONS*' ACCORDANCE WITH DRAWING 6 I .

SHORT· TERM STABILIZATION MEASURES Will BE IMPLEMENTED UNTil. PERMANENT EROSIOI< CONTROl MEASURES (l'tANT RESTORATION) ARE EFFECTIVE RECLAMA T10N PLANTING PER DRAWINGS. t SHALL 8E COMPLETED NO LATER THAN SPAtNG PLAHT1NG SEASOI>I OF THE YEAR FOLLOWING COMI'UTION or COHSTRUICTIOH.

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NWP-2012-512 15 of 17 ENCL

WORK AREA ISOVIfED FROM FlO't\INGWUER

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FLOTAT'ION

• I Sn. T.f'rLTERtNG GEOTEXTil£ FABRIC

3"-c:MA CHAIN \"IEJGHT BAUAST POCKET

CLOSEO CEI.L POLYETHYLENE FLOTATlON LOG

'\_ BAllAST CHA ..

FLOATING SI.T CtRTAfiiSHAU. Be A UYFIELOfSC 13·0ft~0£0UAL THE BODY OF Tl-IE Fl04T1.'«3 SILT ~TAJNISWAOE FROt.I A STYIONG HJGH.fll.mATION FASRIC THAf RETAIHS FltiE Sll.fSANOSEOIMEHTSOf<.SITE. THE FLOAT ANOBOTIOMSLEEVEARE CONSTRUCTED FROM A IN-sTABLE. HJGK.STRO;NGTH POl YET!tvi.ENE ~£.RIPSTOP· TYPE ..... TERIAI.) THE FLOATING SILT CURT- IS INCREASED IN LENGI>i 8V JOINING AllDITIONAI. SECTIONS OF CURfA»t WHICH TYPICAI.L Y COIJES IN !II LENGTHS.

EXAMPlE~ FLOATIHG SilT CURTAIN PLACEMENT

EROSION CONTROL NOTES AT A t.t~t EAOSKIH CONTROl UEASUR:ES SHCM'M ON THIS PlA.'i SHAll BE IN PlACE PRIOR TO COtl\tENCl'fG COHSTRUCT()H

DURING COHSTYIUCT10N AU. EROSIOH COKfROI.S SHAlL BE INSPECTED 8Y nE PROJECT INSI'ECTOfl OAII. Y fD E-E l'HEY ARE WOIU<ltiGAOEOUATELY.

(I) F IHSPECTIOH SHOWS THAT THE EROSION COtnRDI.S ARE IIEFF£CTIVE. W<)f<K CREWS WU 8E lo40811.1Z£D ltAEW. TEl Y fD t.W<E AUAIA$.1N$TAU. REPUICEUEHTS. Of! INSTAll A00010HAI. CDNTROl.S AS NECESSARY (21 SliOMHf UUST 8E REUOIIED FROM EROSION COKfROI.S ONCE IT HAS REACHED 113 OF THE EXPOSED HEIGHT OF THE comROL

COKfRACTORSHAI.l P11<MDE loOEASURES TOPREve<TMOIIEIAEHfOF SOIL INTO WATERWAYS OR WET\NIDS. E.G FILTER 8AGS SECI•JE>fl fiW'S OR CATCH 8ASOlS. VEGETAlM SffiP.i. BERMS. JERSEY !IAAAIEAS. FI8ER BINI(£TS 80110ED FI8ER MATRICES. GEO~S.~CHESOflcouPOST \YATrlESAHDSEilNENTFEHCES.

CO..,.RACTOR SHAlL PROVIOE MEASURES TO PREVENT STOCI<PII.E EROSION DURING RAIN EVENTS Of! WHEH nE STOCI<I'f.E SffE IS HOT MOVED OR RESHAPED FOR. UO~ THAN .44 HOURS, BY SlF<ROUHOtHG P'I.ES W1T11 COMPOST BERMS. COVERING PilES WIT'H IMPER\IIOUS MATERIAlS OR OTHER EOUAll Y EFFECTIVE METHODS.

CO"'"RACTOR SHAll PROVID£ MEASURES fO PREVENT CONSTYIUCT100 VE>fiCI.ES FROM TRACKING SEDIMENT OFFSITI! Of! ONTO R()A.[)'WAVS WI-ERE IT 19 SUBJECT TO WASHit-10 INTO STORJ.t DRAINS WATERWAYS OR W£T\.ANOS: INClUDING ORA VEl ACCESS PADS. WHEEL WASH Sf AT10NS. OR OTHER EOUAU. V EFFECTIVE METHODS.

CONTRACTOR SHAl.L INST Al.l REMOVA.Bl£ PADS OR ~AA TS TO PREVENT SOIL COMPACTK>N IN Al l TEMPORARY CONSTA:UCllON ACCESS POINTS AND ST A<UNG AREAS IN ~IPARJAJf OR WETt.ANO AREAS.

CONTRACTOR SHAlL PREPARE AND HAVE ON-SITE A SPtll CONTAINMEMT AND CONTROL P'LAN WfTH NOTIFtC.-.TION PROCEDURES, EOUIPMEN'T, SPECIFIC CLEANUP AND DISPOSAl INSTRUCTIONS FOR ALL PRODUCTS USED ON Srre.

CONTRACTOR SHALL HAVE AN EMERGENCY SUPP!. Y OF SEDIMENT COOTYIOL MATERIALS ON HAND ISILf FENCE. STRAW BALES. ETC.J. IW Oil AOSORBINO FLOA fiNO BOOM. AND ABSORBE"' PAOS.

STATIONARY POWER EQUIPMENT, SUCH AS GENERATORS. WllliJN 150 FEET OF THE WATER SMI\ll8E Dli\PER£0 TO PREVENT LEAKS.

AlL POWER EQUIPMENT VVH)'IIN tSO FEET OF THE WATER SHAlL BE INSPECTED OAIL Y FOR FlUID LEAKS ANO REPAIRED. THE CONTRACTOR MUST KEEP DAlLY INSPECTION REPORTS IN A DIARY.

ALL EOVIPMEHT TO R.EMAJNW!THtN THE BOUNDS OF THE CONSTRUCTION STAGING AREA, ACCESS ROADS, Oft PROJECt CONSTRUCTION AREA.

OUST COHTAOI.: ALL HEAVY USE AREAS AAE TO BE MA.INT AINEO IN A CONOrTION mAT ~NIMlZES OUST ON THE PROJECT SrTE ANO THE CONTRACTOR SHALL HAVE ACCESS TO A WATER TRUCK FOR OUST MANAGEMENT IF REQUIRED. THE PR(),JECf INSPECTOR Will NOfiFV THE CONTRACTOR TO M06UZE OUST CONTROL .-,CTMTIES (INCllJO.aG WA TERJNG) IF CONDITIONS REOUIAE.

BULK BAG NOTES lllllKIIAGS ARE AlSO CAllED FLEXIBLE INTERloiEO ... TE BW<COKf.-..ERS(FIBC) THAT CAN BE CUSTO/J MADE FROM VARIOUS FABRIC. nE FOlLOWING REOUIREMEHTS ARE IECESSARY FOR THE RIIIER EHIIIROII!.!EHT

BU..K 8AGS.SHAU. BE CONSTRUCTED OF 8 cu WOVEN FA8RIC., 1200 HOUR \N RESISTANT wmt $£\\l't lFTIHG lOOPS wt4EN "'-LEO WfT1o4 NATIVE RIVER SAl«> N«J GRAVEL... nte BAGS ARE APPROXU..tATElY 6'WU: 1. 6' lONG 1r I HIGH.

8U.K 8AGS SHAlL BE CAREFUU. Y PUCEO TO ENSURE HO TEARING OR CU1THG OF THE 8M;S OCCURS

8U.K BAGS SHALl BE PLACED USING A fiYOR.WJC CRANE OR TRACI<HOE USING UFTING BAAS AND STEEl. CABLES fO EOUAUZE LOAD Olll.li'TlHG LOOPS.

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ORAw.4G NUMI!IEJt

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NWP-2012-512 16 of 17 ENCL

\. APPROXIMATE RESERVOIR \ BACKWATEREXTENT

1\PPROXI: TE 8ANKFU\.l CH~l] -EXTEtiT (1 170 CFS) ----

N\\1\\'ET\.AHO 1 BOtJNOARY • DO NOT OISTUR8 DEUNEAOON OITAI~ FROM

NATIOHAL WETLANDS INVEI'fl'ORY

RESERVOIR AREA WETLANDS AS A RESUI.T OF REMOVJ.IG Tl-iE STEARNS DAM, CHANNEL t..tAAGINS IH THE RESERVOIR AAEA Will NO LONGER BE INUNOATED ANO IT IS ANTICIPATEO THAT SOME OF THESe AREAS W1Ll TRANSITIOH INTO WEltANO AREAS. THIS MAP PORT'Rt'YS POTENTIAl. AA:EAS THAT MAY SUPPORT WETLAND PLANT SPECIES. THE PROJECT ALtGNMENT SHOWN ON THE DRAWING IS THE ANTICti"ATEO FUTURE CHANNEL LOCATtON AFTER SEDIMENT HAS EVACUAT£0 THE RESERVOIR AREA OVER THE COURSE OF YEARS. EXISTING WETLANDS SHOWN ON THEM~ ARE FROM THE NATt0NAL 'NETLANO INVENTORY, DOWNSTREAM OF THE DAM, n IS ANTIC1PATEO THAT NO CtW.IGES WilL TAK! PiACE Wfl'H THE EXISTING WETLANDS

f'f'M '1.'£1\AND I • 0.8 ACRES NlNI 'lt'£tl.NC) 2 • 1.SAORES

POTENT&Al 'lt'El'\.NC)S • 1.8ACRE.S

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