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She-E1. 1 9T DAM AND TN GER ET) STATUE Name-er {Tare Ger-ere arm No. ?r22 {Dete- 34;? 3631-331 5 Ubeewetrene anti Cemmente i deters The eencrete cempnerng the entrance weir invert chenrretweite and exif was; in mrreetrgatrorr The trrerbte pertrerr er the _er rap Timed: upetreem steer: and nearer) it rtee eewne?rreem eiepe appeared eerie and iris settsfactery The Eerge reeks err: the dewnetreem stops; mette _e thereugh nepectren and traversing Gravel made were metetiee err-rte The upstream and dewnetream stapes t5 prevree ertT-T rig access Tar The Igeeteehmcal rnvee?rrgetren The actress reade- were eerretructert err mevrng The large treetdere errd ptacmg ereen grave? the grade at The read was; suf?cient (Pirate. The reads: appeared wett constructed arte rtet. ?re. fetfeet the safe eperetrer? :e?T The; deer. The: E1 etriCT has to merntem The reeds and the status at The made. Witt be dare-terri?ed; after The or The remertratiert Teeter: . The tite'ib-frr patter-$1- at the grains were sins-peered tram: theatre and bertt grr?r'ns were wanted The abutmer?ie' appeared eteittier 3-er The grater-t ant-T Tee eree: were rterrt'rejt Vegetation eentrei the darn ette were ercettertt Ne redent was netted The eepreaen seettcm and ehertrtel were eetrefectery eie?ar ef- censemrng eerweeabie eendrt Ten. (rt-Treme- Er and 5.) end rte-rte rem-meme mytre?r . T's {antiserum This ere-a needs re be memt?erert T-rt- The shertwterm and reperred'rn The Tang-r term T?r; appears that The Sp? {way wit! be medrtred art- The teeredretzert preterit errd. Grated September 2in 5 DSQD test The eyetmg et? The euttet centrote . the April 253 2913 mapectren and erreneem'ente need te be. made te cycle. The upstream and dewrretreem eerrtrete The 'rretr-T memtenanee rnepectrene Treate- ferrite- The earner-?ere. Threeghe?ut The structure te be _rr-r setrefactery Te gated 3 herring no Sign rnetehtirty or The face Ts Iii-nee Eta-rge- Emitters and remit-er rbeetetre egetrrei the - tee: amt thereug?h inepectten ef'seepege eeutrt' net be made The i take The 50" V~netoh werr Trad water meet trkeitr Trem' recent Tame Trte weir- errty ehewe ?ew after ram events; it appears the" weir is we Terr {writ-3122} bier: 2 133333-33 0:33" 3.11:3 3333330133033 :30 31310-3- 113313310313 CGYOTS {3301 N0. 7:21-52- 0310 011333301103: 341331301 5 0133313311033 3113 {30111313313 310131" 330' 13331303" water 313331103 303' 13131311 T03 131331133301330131103 3303111131 13:33:. 0.3133 1031011 20:18 3.33 00113133 1.1.13.3: 031100 0111331113151 2012111133311 J33331y'201'3. 1313203131313 A3: 0111333 2013 P33013301. 13132311131313 3113 PPC 313. 30: 103331: 13313031113111 313203131313 .313 301133030-10 03 1331311311 3331191113 300031133 3331 33131.3 31131031103 . 3103301 131113101013 the District3.333310131133111! 33331113 1331133113: 31333003 133110313313003101 3313333 1111.13 1313233131313 MP 1 3110' 11333133 311113: 3313133131133 ?13' 2013 333 13133003 13 31311133 3.11 3311,! 1331031133 013333333 through133-1003331131113331 33' 3133311: 01? 13011. 3133031001 The 313333131313 33033110 '03. 3103113333111313031 '13- 1113: 1311133131- 3033 - 1331333. 3.1.1113. 13133330 011.113 3313113113} 11:} 1-1-13. 103211331103 .01" 1.1.13.1 33m 11-13: 21-11-133 3333' 3-313! 3132011131313 3100:5131 11-33 33131 13331.3 2333-108? 31.3105- 1031 53.3113 333:3 133131133 =13 311-313: 11-13 331131333 331- 31.033 The; 101313313 313333311 :10. 3331513113 3133110333 333 13013111111311.130333-331! 313333131313 1310.3 3331 abutment 331111033; 331' 311013131111 :33: 3. 0133111131 03313 3.30 1.0- 31133311111133 133011133 11-113. 131013131103 1'3 333331 133033133131133 1333113 .333 33310330 .13- 3:31 111131011120. 21313 31131 T3333 3102101331313 :33 3133311001 1113133303313. .30 .331 01.13311 51: 1313301: 111:3 3313111 31133 0.3311 113011 3011031131 0030111003 01' 0000313133 113333 31-3 331331. 0.3013 1133.03 10. 33110111133 01113331231313. 3313113113331 103 130333131313 2013 3331301131031 1333311931133 333. 313201113131 133131131103 3-1 1313203131313 001333113301 133110311011 .100. 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EET25 55m T5- 9595.5? memter E55 5555555 EET5 badmak 55592.59 3 ETT. 555152.959 E935 51?- 5555555 555.: T55Tmm5m5: 5E E95555 - 555 3555-1 55-5595 :5555355 Emis?mve?i man?E53955- 5E 55555.55 50599555.. 55 9555555.. TEE-5 5E {Tam 55T15T5E55E 5 .19 survey manument5 .49- 55595531 repmmg 5555c! 2014 calgndar year Pi525m5z?5m Th5. MET 5355551959 and E39952 T555995 5555 5E5555E5 E55: - 555555.51. Q5599 E5. 959555555 T5 The elevation. E5. 29% .5597} 5555:5595. pT5?T?5m5t5T5 r5m5'Er-T5d Their T755955. readmg 599993! 55:55 5955955 and PPS-2 T535955 5599555519 955 E5 '95 T555555 55.5555 T5 9115 5553,1795 p. 5555:: 5595.55 Tnferne?i. Tram. The. 5955:5519 data E5 beiaw The -cE.55Eg--n phreatTc 5995559553915 1992 5.11599 study. N5. 955E519 9.555 53955 EN 5555' 95511 pEezom5E5E5 and (3W8. Eocated TEE The 59E ne?h555t 5E. E55 TpTEEway HTsEoElcaEEy. 95555 5:525m5E5r5 5E5 5515;. manTtored 9553 March E5. JET-T15 15591559 in E115 Tn5Trum5rTE5ET5n repert and n5.- 5>T51555Emn given The next instrumentatwn E99992 55555 E5 515595 55' 555955955 5? E95 sagmficanca .5T {hes-5. premmeters and. 91.5. T555555 Ear 55E 9555 En The 55559 95.9. E55 555 9.193459 555555559. 95.55 E195 E999 5555155 survey E95 9:59.59 55.5155! m555m5nt 5.55- .5555 5' 59955159 5f 91555595?: TEE-5.95. and. E515 555.599. Tamra? mews-mm has been 5' 559555555 5.919 (.55 5:35)- 5T- .51. Monument NET- 92. which: E5 55-55 E55: T59 51.555. Monument T2. {5559.9 555M has 555.! .5 5555999 5E5T5E 5:95 E5E5 99.5.9. has E5555. appremmateiy .9: feet smce E938 E931 m5numents appear E5 5559559 3933555551559 5925955555 55955539.. 555E.- 595 2:53:55 5959551 To 21.95.- 99. which is E55599 595::- Ehe? Accmding. E5 The}: 55555;; 291-3. 5555555. 595-551 Trev-.1555 5th .2 T5 3 A1113 TN 35-11111 STATUES I ?1395111111, 238111110. 1212 1351a. 11 1nspe111511 1111-1221115 0,1 161,111,111er 513131.13; 13811101211 013,181,118 01111.13 mam 00111101111013, 011,110? The 01311101, 1 needs; 11:: 311311131- 11115 0.5.51 01 Ma-nument N0, 35 11113 1111251121 1101101110111 11.11.01 1115 101315211 01-2-11 1111 12111111111111.1111: bie- tocaiad an. are-a 01 16121111113111 $131,331.12 131111112611: 15: suggested 111 1111-- 11.11.1111, . Seepage 111911 5x01201101 0003510513! 30111111, 11111110 131111311 111.1: 1'09 1511211 0011111111113 151 5113.11 dry. I 1311,15, 11051031193111 1110110051035: 11 as 13110011311 about 1-12} 11153131101191 11111111511110 1101311521011 1001111011011 1111311125 1115:; 001011 reckfait zone 1111111152! 1318001119181 The 10111, 1510011an period 101 1111.5. 11151101110111 1135;. 51011010 November 13.1 211121.. 5 The. 0111111321 behaves 1.111111113- slip: 1a1es recorded 01181: 111135111116 1381113113113, 0011315318111 with the knawn $111210 acimiy 111 the-10110130101001. and 1:10 110131011001 013-181111000111111. as was 0110;115:1113: 11.003111; 1, .1111 engmeermg 06.59512'310 11130053 211113 data [as '11 1313163510? 11.11% 000131100 311.11: 1,110 55391331138 wet: 0110111311011 needs .11; {11501151311131 1111': wai??hay 121111.131 0011195111119 $011501 seepage 3011.1110010201111191 81151111311011 nee?1.11.10 1111301133 1118' 01132011113100 1.1111315 11-; {115110.11 11911.10 21515111611 01151111150 ,sur?ace and embankment 51111921111; 1110111113 13110101 survey 11,011,; 1, T3113 8 11-1, 213113 Suma?lanzce 10.11101111-0511110131110 115113151136: 01111111110169 ;in- 20:13 35511011131113 11505111); F111 seepage-and. 01111121111111 115113,, 31151111121111 1111:5111: 111-5511 spam 1311:111'111169111313'; and 12131101011110.1013 new 10 0011515,?" 15:11 thSiQtfica! data-.- @301th 1113 351311111110 damn-1111:3193 12-1151 dam- i's perfarming 33115131101111}. 71115210115111 .inzs?immematim- :nemmrk 12; 51111511111011. 3111110 11111111011111 1115110111e5111511101111 deemed news-$313; 51111111111111. 111151-1255; 1155-5111515; 51111531. .01 :3 NATE WEE REE-E E-E EE E: OF DAM. RESERVWR 2N GERTSFIEQHSTETUS ?Mama-Ef?ami C?yGEE: NE. 3?32; 53.31323 GENE Earth . .. .. . . Type; EpriIi WEE WEE Chute . v_ . ?35. IEE mum East and: IEQE . IEE . Earn crest Pamy?i?i?d?f}: "1?33 . . . . I Eases-E:- Er Er. En. 233. ENE: E38033 accepted E3 strict E: ErEpEssd the: cemprehenswe safety EE Eubmx?ed {353033) {Es Es in the Q?fh?'f'W?Edy' E-rEw?i?Eg the. dam be EE-mExer. As. FEEL the rEmEr the. fiEEr WEE-s. .Ef SEE. As- sE itszsiify? use. _Ei NE: EE- :3 EENEE $31 HEE- TEE has: at the EELEE {Er-{Ea .mEm Eff and AR new 3E be Eff~sste Ey District Staff. Es? in? E.- .Ef dam. The_ :wiEEj WEE straight EE-iiErm End. in. The SEE-E. upstream E-EE . EE?cui?: ITEEI Embankment remains :th Ems: EbuimEnt trees EthEr EEgetEixEE grEme the. upstream Ef- dam ?83 EE i?m?ved EE E?gEs Ef {Ede-Er.? at: ii-iEa? Emma WE. E, 3E ri-EE-EiE?s tE. waits of the Epiliway structure bE rEpEirEE Es necessary, EEH EEQEE Ef- Smizway 2E EE we)? and: did? mi 5ha any NEVEWEM Er .- 5%wa gEE?is rEmEiE in EEK Egg? 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AA A33- 333-{33333313333 333333.333 03333333333333 {33.333333333133333 T3363: AC3. 333-333mm. 33333333 333333; 5333333338 33333333 After 33333 at: 3333A AA 33 :33 3AA 3333-333 33333 33633233333333 3333333333 33333 33.3 A MAKAA 2333. 235333 33.33.3333 DSC33333 33333 {3333333333 A 3333333333333 333 33333333333333.3333 33:3333333A3333g 3.33 33.3335: 3333 33333-3A33 at 33333 3333' 3333A 3333:3333 3A- A3 3313333333233 3AA 33351333.? 3.3333 3232333333333 333 233*33 333333. 3335333333 {33.333333333333333 3AA Am 333 333333333333333333 A3. 333333 33333 333 333A: AA 33333333333339.3333 3AA33A333A333A33A33 33'. 3333s.. dam AA .AurAA-y 33333333333336.3333 333-8 33 3333333633 333A33A333AA3A 333335.333an 3.333333 33333333333 A3 T3333: {333333333 3AA33A333A333A33A33 AA3AA $3333; 2333 .33 data; was: 333 333A AA3AA 3332332333 3 3Pdicat?S 3AA A3333 3A 333 A March 2.3? 213334 33333313333 3333333333 3.733333 333-A35 3AA. mstaliatmn A73 {Astrumenta?mn A3 333A 33333 3333' 3533333 3A3 333A: :Af' {33331333333333} A3 33333-333. New. 3333233qu 333333). new. A3 333A 306 AA A 3333333233333 3533335333333, A33 3333333333 33.3: 333A. 3AA 333339.33. .- A 33333333A3 .33. 333 36333.: 33333333163333: I333 3333A AA 3A AA A3333 313333.33 A33 33.33333A 3.33A33A333A333A33AA A. 33333333333333 3333333333 2333-4. 33.333333, A3333. 333-3.333333% 3333333333233 333353333333333333 333333333 3333A A3 sin'StmmA?fS. . AA 333A 33333333333333:- - 33335333333333. 33333333 3233-3 3.33333. 33.333333; .. 2" 3333 .5. Mzm?mm??m .wm am 3mm mwmb4?m. Km?mbw mms?ax?w .. . .. . Ema mw??mmumwwumom. I . . A. gamma 33mm" .ma?ma?m33%. mama. a. a; pan. ?2mm Emuma?mm am?m n?mma ??w?wm mamas .20., .wmym gag ?xing: aim #2 86$. mama . a. a. . Emwmm?m 6&5 ham. am Emum?b?am a. Zm?m 9?..qume 0.0me Umaza. ?mgm . . gm," ?mama?. 33$. 11110100011111.001110111; 1100000000000001 . 00.111111111101111" 130- 10111011 1100011111100 {3.131211311132191 13.? SAFEWQF 13191211153 111-10110011000111100 RESERVQERW STATUS 2 510.11.110.01 111.0111: 31133-11710 . _Dam N0. 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P00111010 111.01.010.110060 1.11.1 1100011011 {111110115 111015.19. 1013001110111 {1110001011000 1100001111000011000 0.11 00110110 T011200 ~17110: 131101131201 111111 0011101010 0: 001110110112011?01110 00101001010011.1111? 10101110: 0111111.. 0111011? 11111111 111011100. 01211 011011011" 0000001110111. 01.1110 10.011011101110000 11011110111 01-1110 1101111 ?1.11 011.1 March 211:1 310.1101. 11.150: 1111.00. 100110010111001111111110: 01.011 0110.001100010 10111110011111.11-011011 11y- 300101111301 313; .2511 3.1 01.000.11.01 101- 1110103111110 11110111110111 11101111011110 1'01 1100.11000- 0011115111011001111: This 111.0111 011011113. 00.110110111110110000 11100130110001 01.15110 0afe1y 0110111011011, 1110 [310111101 111111 0111110111 0 111000001 1011-11000- 1'1'1101?011'0010010 .1031 3030101111301? .3121, E2131 3, 11130001110111 11113.1. 9.13 1011100100. 11.11.1110 130111 0.10.00. 1'61 111.0 01011101111110.0111 17401111.. 2011011. 111.1110 11011.1 11101111111011.1011011' 1013011; 51.110 0111111012 01101111115. 3151011131 1.11.0: 1100011111011101111111011100 1010101100 10.01.1113,. 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Mam?! 1139, 2:312 Miter- We is minimal measured armaments and as}. apparent trendmg in the fieor and out?t aise {Wm be werkmg w?h Brains}: Starr :9 determine the agapreprrate number and whiah marmments are necessary befare submr?at of the next :mtmmen?a?mn reprint. ?amiumon The avg: r-ahie mstrummta?an data Indicates zihat traits dam is perfermmg .adequatery in the. near Mare improved. a? the we seepage am :faiuit dispiacemem needed 7 he District Wii be submitting their pian fer thi'S mark The netwerix ?yaiu-a?anz, EWR- 125$: {rev-i rte-reg: S?eeat- 5 ya? 8? m1 LE5 ham ?z ?mm? aggcm ?4me? 3.133. 0320 . .. .. . amaze. 31$ mam 60$?me Mm. ?nn/ .7 303 w. mam ma?a 03.. Em. 00.3003 mmw?awnwamm .3 Wm. $30400. 0.0.4. 3%me mm??w 0Mn mzw?mm??zw 53%: $25 gamma?. @3an $3 02%. . .33. . HEN a. p?mmwa a. II . 2&4. 9.. 4.31 Jr? .xo. mm. mag ?.83 35.5Emmy $3 4 a. . in}: nun-r: {.14 w. ?a m. :3me . $333 a?mam gm?gm I . .17? +39% Wm.? .m??mm ?g mmwm. mm. mummy? Em?hwn?qu? 33mg. 4? .m 33% Miami. ?mgg??m 2m .. . ?93 ?ammawemz nwwm??hw ?and?? . STATE 0L Af?mNiL} DAMS ELAN LANE LN. QIENTLWELE . . . 7-242 Type of Dam Type Wei? and ?h-A?nei is . #33 I I I hem-W . dam Since Lem? Gunny and Warm Stephan WLL J'L?Liiy ?L?yafk?h?? LL Grant-3mg Made my??a?i the {Fi? fLaL LL 3 253:? L. W3 Lhe LL ALL may Gy?ie? during: the Lash need made piaznmeterw?tLL-L max. and Lang-LL}- and. ALL-CL, far and manumants LL. which Gf'iha LighL wii? b3 address-a3 in the ALL benchmark baa an the Left- MG-?ume?t NL). GO. determining Lhe and. and LL33 submiftai as: ALL wag med May 2G LL53 far explm?aiian ass-Lemma with an angeing Liam samiy Dam 1 WOW the the; dam, L'asrewq?'n and the are judged 333The and sigma Bath faces a?gmai?a?i was Racism $35311?ng weir and ?shame? dear and TEL-LL agbmm . - LL . . . . Linspeme? . AA Mammy . Ph?i?i?; Yes LL i?s'peti?un- I . {Late {25f Repm TGIGQL LL 5 ENSPECTEON 0F DAM AND RESERVOIR EN STATUS Name of Dam Coyote Dam No. 72?2 Date of Inspection 5/9/17 Observations and Comments Outlet Seepage We walked inside the spillway channel and inspected it closely. Overall, the concrete appeared to be in satisfactory condition. We identified open joints that require sealing and spell areas and voids that need patching. The District agreed to complete this work in the spillway to about 6 feet up the walls; work higher up the walls will need to be deferred to future years until personnel safety measures are designed and implemented. The District will complete the joint sealing and concrete repairs in the spillway channel to about 6 feet up the walls by October 2017, which is acceptable. We also closely inspected where there have been historic repairs completed along the two invert panel transverse joints between approximate Stations HUD and 3+00 (the approximate limits of the fault through the right abutment, outlet, and spillway). Past repairs, some of which have been done since our last inspection, are holding up well, but large sections of drummy concrete were identified along the joints. The District will map the drummy areas and submit a repair plan to a repair application may be required depending on the extent of the work. The dam has an u? gate and Valve associated with th Both were fully cycled during this inspection without any problems. The dam also has a_ gate and valve for habitat flows. We did not walk the outlet tunnel; arrangements should be made to inspect the tunnel during the next inspection. There were no signs of seepage on the face or along the groins. The toe area was obstructed by the toe pool, but the weir at the toe reac_ or 18 gpm. Flow at the weir is related to the high rainfall this year. Flow is not indicative of total dam seepage, as there is no cut-off to prevent flow under the weir. All spillway weep holes were clear. lVlinor flow was noted through the lower weep holes and along joints in the right wall between approximate Stations 1+75 and 2+80. The dam has piezometers, a seepage weir, survey monuments, and a creepmeter. The latest data through 2016 was submitted with the owner?s letter dated April 6, 2017. My review of the data is below. Piezometers: There are 4 vibrating wire piezometers. Piezometers 1 and 2 installed at the toe in 2013 fluctuate within - range due to tailwater elevation, rainfall, and reservoir. The piezometers do not indicate any change in seepage conditions. Piezometers 3 and 4 installed in 2015, in the lower face, read dry and up to abou- of water, respectively. These piezometer readings are consistent with the design phreatic surface used for a stability evaluation by the District?s consultant in 1977. Data for these piezometers will be further evaluated as part of the ongoing comprehensive dam safety evaluation for the dam. Weir: The toe weir reads dry except for following periods of rainfall or when the tailwater is high. Flows at this weir are not indicative of total seepage, but a sudden increase on a dry sunny day when the tailwater is low could indicate an unsafe condition with the dam. The owner provided an engineering evaluation on the weir and how flows vary based on rainfall and tailwater elevation, as requested in our last inspection report. Crest Monuments: The dam has nineteen crest monuments that continue to exhibit a slight Sheet 2 of 5 a?wm?z mum, me? a mummy? Al} mummy can. any EM. Say mummy cm w?a?mm Egymm? Easy? Emma :3qu ?wa?nwm?yg mum, ?aw Egg $3an 0&3 z? 6/ 4x If?? .3. .. . A. {Emu . mum . may 35$ mama? m; a