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1 <br />/ <br />i <br />/ <br />7e0 I <br />/• Iv i� <br />B .n7 <br />/ > > <br />B 6i.Y <br />1 , <br />i <br />6!!R <br />s d 9 <br />.7 <br />m% <br />I <br />GD <br />� 55. 2 B <br />R a 657 e42 Y 2 <br />�� Es/ y g � P • <br />® 9 � <br />9 �. 2 • - ' - yq aos <br />1 <br />I ]s <br />t' <br />I •Y irk � `r <br />I <br />p Y <br />a��i� ;� � Fa <br />® s7 evs N <br />i 9E a aT Fd <br />i <br />- - - - -- - -- - 7048.31 \ \, <br />, <br />\ , <br />i <br />Y i , <br />SECTION 28 POND - PLAN VIEW <br />Scale 1" = 50' <br />N <br />� <br />W E <br />S <br />' <br />PROFILE THROUGH EMBANKMENT CENTERLINE A <br />SCALE 1" =50' <br />7110 7110 <br />70801 - 7080 <br />B <br />7140 <br />7110 <br />7080 <br />B <br />7140 <br />7110 <br />7080 <br />7050 7020 <br />7020 <br />O tO fif N b W R h O t`J 10 ov N b W R � O <br />EMBANKMENT DETAILS <br />Scale 1" = 20' <br />txa <br />EMm <br />EL. A <br />RIPRAP PROTECRONAND <br />W PARSHALL FLUME AS SPECIFIED <br />BYHELD ENGINEER <br />FABRIC WRAPPED FILTER TRANSPORTAND P LACE. <br />275 CUBIC YARDS OFG EAN, OPEN GRADED GRAVEL (MINUS2 PNCM APPROX 8 <br />TO 9INCHES THICK, 57 FEET IN LENGTH & EXTENDING ACROSS THE ENTIRE FOOTPRINT <br />OF THE LOWER ONE- THIRD OF DOWNSTREAM TOE BELOW ELEV .7000. FILTER FABRIC <br />SHALL BE MIRAH LION NON WOVEN OR EQUIVALENT, AND SHALL COMPLETELY <br />SURROUND THE GRAVEL INALL DIMENSIONS ALL FABRIC EDGES SHALL BE PROVIDED <br />WITH 3 FEETOFOVERLAPWITHADIACENT EDGE <br />EARTHWORK QUANTITIES (APPROX EXCLUDING KEYWAY) <br />CUT: 4,500 CU YD. <br />FILL: 16,700CUYD <br />WALKWAY W 42' HANDRAILS AS SPECIFIED <br />TWO 3" DIA PERFORATIONS PER ELEVATION AS SPECIFIED <br />EL.7084.6 (LOWESTPERFORARON, FINAL SURVEY) <br />4 NORMAL POOL <br />X18" WATERMAN C-20 SLIDING GATE VALVE, EL INVERT 7058.1, FINAL SURVEY <br />ONE YEAR SEDIMENTACCUMULATION, EL. 705125 <br />ANTISEEP COLLARS B Fr(MIN) <br />FOUR REQUIRED ON 2D MENTERIT <br />t 8 FT WIDE (MIN) KEYWAY0 FT (MIA) INDEPTH WITH 1H: 1V SIDES <br />EXTENDING ACROSS ENnREABUTMENT <br />18' O GALV STEEL CMP, 14 GAUGE MINIMUM, <br />2 -2)3° X 112" HELICALLY CORRUGATED, POLYMER GRATED <br />AT20%SLOPE <br />S/16 FYepam iiom <br />PdwtapNarg l/1, the area shouMbe sbippedoforpan /c topsoi/walher dek(anous ma(eda/s. <br />AmePAILM F4 /Matenws: <br />Suiteb/eN /me(eda/s can be obrainedhompond axes ✓alionswfiwll nea76ysanuwsourres. s seb/e melu i , &JU ,7ffsA Ye Geys s t l& ayey p& n t i /s,a7Nbedioc/rmetene /swhicheia broken down fo tlresv sa /types (SG, CC, CL a7MCHJ. Bedmdrmatena/s shou/dbe <br />p IkVat dbp7oducessa / /ke mafena/with maxinwmpartide s/ze af6ixhes The mafena /s used as embankment/ipsMouMhaYa of /eaN 25parcent Rnes (maferla/Armr Man No, 280 slave). The Fie/deng/nagr77my approve th use WOf/leimateria/s fibow /rig appmpdafa <br />/abwaforyfesdrlg. <br />Unacr pfab/e Fd /Mafeda /s <br />Materiws rot mnsideredsuNeb/e fivuse as embankment h / / /xmtle c/eenersax'andgmveL Also ullacceptab/e ere highly mrbanamaus metene /s obtained/ ram bedrock excaveti0nawxm //wremenletlsandstanes whari tlo rrol6reak down In sa /Hke mafeda /. N/ghlyaW c sods <br />wmafene/s mMammg mnsbucb'on debris are a /so notaccepteb/e. FmzenwYlsnoteccapiabre. <br />F/0 P/amment an d Compaction: <br />Embankment( i // shool dbep/ acedin fh /nhodzmrfa ///frs(81o12inMes/ wMicknes). The S// shou/ dbemoist wamndibnedfowdNn2pementofopdm= nw. rtummffintandcnmpadedfoaf /eart95pe ntofstandaroprocYwmaximumdydens /ty(ASTMD698). The <br />placing andspmading ofhpmalena /s shou/dbe slar(edetthe /owes /pwnf of/ha embankment Fi/ /placement andmmpscd"on shoo /dbe observedentl tesbdby qua /ilredgeotechnlce /em)i7reedng fim1. <br />Afmdo dodngand/ns bons <br />Mmdmd andinspec8ons ahowdbe perfomledby qua/i8ed/ndiNdua /s as outl/ned /n CWwado ORMSmgu/abons. <br />Construction Notes: <br />1. Pmmmmg Topography shown has been supplemented with ante foot contour data based field survey <br />date collected by Epp & Associates duringg � the Fell of 2006 using CPS methods, Filial es -built <br />survey data was collected November 1, 2W7 by Epp $Associates. <br />2. See Map 41A for general location and associated drainage areas. <br />3. Embankment to be constructed of campected fill using materials specifed by field engineer. Refer to <br />to Exhibit 7, Item 20, Part F far Geotechmca/ Information and compactlon speclTications. Figure 3 of <br />that document contains requirements for site preparation, fill materials, placement requirements, and <br />monitoring. <br />4. Hatched area of the spillway and outlet section along groin shell be nprapped with 18 inch medians <br />size materiel. <br />ENGINEERS CERTIFICATION <br />AREA- CAPACITY TABLE L THOMAS C PETERSON being a <br />J1A 10 <br />(Ravisaflalo ingas- bulksulve}I) Licensed Professional Engineer in SECTION 28 POND <br />the State of Colorado do hereb <br />ELEVATION AREA AVERAGEAREA CAPACITY <br />(Feet) (Acres) (Acres) INCREMENTAL CUMULATIVE <br />(Acre -Feat) (Acre -Feet) <br />7056 0.0651 0 <br />0.1288 0.52 <br />7060 0.1924 0.52 <br />0.2598 1.30 <br />7065 0.3271 1.81 <br />0.4064 2.03 <br />7070 0.4856 3.85 <br />0.5784 2.89 <br />7075 0.6712 6.74 <br />0.7119 1.42 <br />7077 0, 7525 8.16 <br />TOTAL CAPACITY 8.16 ACRE -FEET (AS BUILT) <br />TOTAL CAPACITY 8.36 ACRE-FEET DESIGN <br />certify that this map has been <br />reviewed by me and that It accurately <br />represents the as -built condition of the <br />impoundment following construction. <br />F 2 i <br />� e��•c •cErP�: 06 <br />32257 <br />A / f�Z1IuZ' <br />p � s / n h n <br />P.E. <br />0-I <br />AS -BUILT DRAWING <br />RIO SDAI E: As Wets <br />TINTO DATE Top <br />GRWG. BY: illP <br />APPROVED EY' <br />ENERGY DRWG NO, <br />AMERICA Exh. 7, Item 20 <br />Figure IA-3 <br />nst smv w""xw n <br />va�a<, caoremetcct <br />No, REVISION I DATE I BY .HK <br />7107 1 TOP I TAT <br />Exh. 7 -20A -4 <br />O O O O N N N <br />PROFILE THROUGH IMPOUNDMENT <br />SCALE 1" =50' <br />certify that this map has been <br />reviewed by me and that It accurately <br />represents the as -built condition of the <br />impoundment following construction. <br />F 2 i <br />� e��•c •cErP�: 06 <br />32257 <br />A / f�Z1IuZ' <br />p � s / n h n <br />P.E. <br />0-I <br />AS -BUILT DRAWING <br />RIO SDAI E: As Wets <br />TINTO DATE Top <br />GRWG. BY: illP <br />APPROVED EY' <br />ENERGY DRWG NO, <br />AMERICA Exh. 7, Item 20 <br />Figure IA-3 <br />nst smv w""xw n <br />va�a<, caoremetcct <br />No, REVISION I DATE I BY .HK <br />7107 1 TOP I TAT <br />Exh. 7 -20A -4 <br />O O O O N N N <br />PROFILE THROUGH IMPOUNDMENT <br />SCALE 1" =50' <br />