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<br />GRASS VALLEY
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<br />Page 2
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<br />DATE.
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<br />DAM 1.0.; 390108
<br />~(113)SEEPAGE
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<br />EXISTING INSTRUMENTATION FOUND O(110) NONE ~(111) GAGE ROD 0(112) PIEZOMETERS
<br />~(114) SURVEY MONUMENTS ~ (115) OTHER Rebar stakes.with hist~ric crack on OIS slope
<br />MONtTORINGOF INSTRUMENTATION 0 (11SINO ~(117)YES PERIODIC INSPECTIONS BY: ~(11B) O'vVNER 0(119) ENGINEER
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<br />WEIRS J FLUMES
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<br />Goodriloniloring, program should continue.
<br />re4idi~'~~;cQrt"sisti"hf. -:'." ',.
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<br />A gage installed for.the spillway seepagewill.:helpto:make
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<br />PROBLEMS NOTED: 0(60 NONE 0 (61) ACCESS ROAD NEEDS MAINTENANCE 0 (62) CATTlE DAMAGE
<br />~(63) BRUSH ON UPSTREAM SLOPE. CREST, DO'MlSTREAM SLOPE, TOE 0(64) TREES ON UPSTREAM SLOPE, CREST, OQ\MI.ISTREAM SLOPE, TOE
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<br />~ (65) RODENT ACTIVITY ON UPSTREAM SLOPE, CREST, DOWNSTREAM SLOPE. TOE 0 (66) DETERIORATED CONCRETE ~ FACING, OUTlET SPILLWAY
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<br />0(67) GATE AND OPERATING MECHANISM NEED WJNTENANCE ~ (66) OTHER We~d.s ~nd' brl:.\stthi spiitWa:y.. mouth-'-,
<br />. (/;~l: ,R~latively.riliijor; "'S.oine.bru~liib\:irried.durin!l21he ,insQ~ction:, (65): 'i::irie,ciirodent,bcilesJ'iilong:tlierilid.:
<br />Se'~Uoiilottli":downsti"eari1slope.:S.eeJatt;lcheCl;photofor~d,,!iiils; ,;elearing'of,.deb[istlirspillway;/lelps .' ," ',' ,',.
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<br />W~stli\11E.ngiri~eiS"s'. peftol1f1ing;inve5'tigationsintQ.!he:oUtlettllnnei;seepage.Dye'te"t;;';as;l"eif~rriieqtMay;,''A:''
<br />';Ia;, toallevia!i;:th":seea^"."roblems'neeas.to.b<;:i:!evefo' ed'.folloiri lh.,J:iiivesU'aUori; :MeanWliile;themi!nitoriri
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<br />Based on this Safety Inspection and recent file review, the overall condition is determined to be:
<br />~ (72) CONDlTIONAlL Y SATISFACTORY
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<br />0(73) UNSATISFACTORY
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<br />ITEMS REQUIRING ACTION BY OWNER
<br />TO IMPROVE THE SAFETY OF THE DAM
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<br />.e D ~ MAlNTEtWlCE .M1NORREPAlR.MOlUTOOING
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<br />.. .. t IJ'I" (80) PROVIDE ADDITIONAL RIPRAP:. , . _ _ ,-, _ _ .
<br />g ~ g- -= ~ 0(61) LUBRICATE AND OPERATE OUTlET~TES'THROUGHFU~l-'C~C~E--'- _~,_:h~ nm~_ .-: ~ u: ,._m., ...~m.m~~.~.-'- :~~u',u.-~ ~~,-:.. ..---~~ ~,-.7:,~~.~~.~.~,-~-- ~~-'~ ~-;~:~ _:n
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<br />;:: ~ ~: ~ (84) GRADE CREST TO A UNIFORM ELEVATION VV1TH DRAINAGE TO THE UPSTREAM SLOPE: ';. ._'.',;." "'.'0,' ""'" ,.','.: ,>;,:.. ,: "
<br />.~ ! ; ~ ~ ~1851 PROlnOE SURFACE OIWNAGE FOR .....:..~"..C:.:,;...:..;...;.. :.,...,.:..:::::::::::::::::':~::::::::::::::::::::::::::::,,::::::::::::::::::::::
<br />~~ ~ ~ ~ O~ (86) MONITOR: ~_~rt~i,QH~J1)~!1.i!QriIJg.pJ.Qg~m.'.fQt~(ti~~~.~~g~~~n~Jri~n~~9.1)~~~J}!!~!.~J?_~<?!-!~~_.?~~~ttn~.~_f}:~f}-f1-~~y'-~~_~~:.-~----:.._..
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<br />.;,Ciz t: ~ (87) DEVELOP AND SUBMIT AN EMERGENCY PREPAREDNESS PLAN: . '_ _ ""-.-"'.'. ,: ': _ .":,\',..":>: :',' '.: ,'- ','<" ." ,:/:;;: :' .
<br />i 6'j !: ~ ~ '_ ,_ _ , '_ _-, _ _..h__---.-~.:.hh..-~,-,n-~_,,~~__.'.-_..~n~,.,..~:__,~.-~.~...-~_-h--.-,:~-,7--.:~.,----,~~------,..-n.'nu.
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<br />.!!! .! ~ = 0 ENGINEERING. EMPlOY AH ENGINEER EXPERlENCEOIN DESIGN AND CONSTRUCTION Of DAMS TO: (P1a'lS am Specifications must be ~ by Stale Engineer prior D constructiorL)
<br />~ ~ ~ =: ~ 0(90) PREPARE PLANS AND SPECIFICATIONS FOR REHAflIUTATlON OF THE DAM:
<br />~ ~-6 ~ e 0(91) PREPAREAS-8UILTORAVVlNGSOF: .: .., ,,','''<_ .:' _ ,'_ ~~~:.:,..__u:m.~~~___.'---~~--~'~___",:---._:'_'.',~,~"~'~'.'~'__~"~-~---_~:-~~--~~_~~,--~;-~.:----'
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<br />.~ ~ i ~ ;: 0(95) SET UP A MONITORING SYSTEM INCLUDING WORKSHEETS, REDUCED D~i-A'AND'GR;j.HEDR-ESULTS;--':----.-----.--,~~:.m.--------------~.~-~'-_-.~:::~--.'"~-,:m..'
<br />~ ~ II ~ 01961 PERFORM AN INTERNAl.INSPECTIONOFTHE OUTLET,~f:~J.?l'.t~~!!!.~~~!l~.~;9f,9.~~]~.t.!\;i.~~~iji:i~~~;;;~j;~:~[~:~6j~:[~~i::::::.:::::,::.::::::
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<br />01991 OTHER um.:':u..::u.,.......:"m..'. .,..,:uCu:.'mm~.um__.m..-'m...u~.'mu.uu!mu" .~.:.'uu',,:,:.',u,' ,'..:.uJu.'
<br />SAFE STORAGE LEVEL RECOMMENOED AS A RESULT OF THIS INSPECTION
<br />0(101) FULL STORAGE .'. FT. BELOW DAM CREST
<br />~ (102) CONDITIONAl FULL STORAGE FT. BELOW SPILLWAY CREST
<br />0(103) RECOMMENDED RESTRICTION FT. GAGE HEIGHT
<br />~ =:f1= NO STORAGE-MAlNTAlN OUTLET FULLY OPEN
<br />0(104) CONTINUE EXISTING RESTRICTION
<br />REASON FOR RESTRICTION
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<br />term.
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<br />Engineer's
<br />Signalure
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<br />OWNERJOWNER'S REPRESENTATNE
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<br />0Wne',
<br />Signature
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<br />DATE:
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<br />/ /
<br />,201
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