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i I 1 <br />/ I r <br />r , <br />i <br />r / <br />r 1 <br />I <br />i <br />' r 1 <br />i <br />f <br />/ � I <br />i <br />TPP2 �` TPP3 <br />X452, j <br />7 <br />54T <br />r <br />r <br />I/ I <br />1 sno <br />ma' � <br />I A �' •� ''uH MO <br />r <br />I i <br />I I F> I <br />, - <br />I / _ ua <br />I <br />V I <br />0.2 <br />' I s2 oas <br />\ 1 i <br />\ )9. <br />I � B <br />'I <br />I <br />I % <br />i <br />nia <br />1 <br />J <br />aao it i <br />I <br />I <br />I s. <br />1 <br />I <br />i l i <br />i <br />6 ( I <br />r <br />i � I <br />I <br />1 I l 1 <br />I � 1 <br />1 <br />1 <br />1 <br />i f <br />i 1 / <br />1 <br />I <br />1 <br />1 <br />WEST TAYLOR POND - PLAN VIEW N <br />Scale 1" - 50' W E <br />G I s , <br />PROFILE THROUGH EMBANKMENT CENTERLINE <br />SCALE 1" =50' <br />7530 7530 <br />7500 <br />7470 <br />7440 <br />1 7500 <br />7470 <br />- -- - - 7440 <br />F PROFILE THROUGH IMPOUNDMENT F <br />7500 _ SCALE- <br />_ 7500 <br />_ I <br />7470 t 7470 <br />7440 <br />O O O O O O O O O O O O O O O O <br />EMBANKMENT DETAILS <br />Scale 1" = 20' <br />EARTHWORK QUANTITIES (APPROX EXCLUDING KEYWA)) <br />CUT: 2, 100 CU YD. <br />rso FILL: 5,500CUYD <br />EMBANKMENTCRESt <br />EL 7481.0 EMERGENCY SPILLWAY WALKWAY W 42" HpyDRAILSASSPECIFIED <br />EL. 7476.8 <br />- PRINCIPAL SPILLWAY WITH NCRSANIRVORTEX MASHRACK <br />EL 7471.0 <br />/ Y E 3 - STP fAP. 8 41R. E NL EVATIONASSPEOFIED <br />2 <br />RIPRAPPROTECRONAND 1 <br />0° PARSHALL FLUME AS SPEGRED - S . V NORMAL POOL <br />SYRELD ENGINEER EL. 7 <br />IT WATEflMANC -20 SUO1rVG GATE VALVE, EL. INVERT7458.0 <br />ONE YEAR SEDIMENTACCUMULATION, EL. 745038 <br />POND BOTTOM <br />RIG. G ROUND <br />Y EL. 745&0 <br />ANRS£EP COLLARS BET (M EL. 74560 <br />FOUR " ON, IN) FT NTEAs <br />/ 18 "OGAL CMP, I4 GALMaE MINIMUM, <br />2- 213'X11 2' C ,POLYMER COATED 1 HFTWIDEMIN <br />AT20 %SLOPE L_,�,,,,_,_(, )I� ' ?rB fT(MIN) INDEPTH WITH iH.1V 5YDES <br />Sife Prepamtlan: <br />P"dop/aangfd/, fhe areas hou /dbe shipped oforyanic topsoiforather dWatenous materials <br />Acceptable FAI MWNWIs: <br />Sudabf, rd /malana/s son ba obf h,&,f xP xiPd&xmwtions orhom nearbysmmwsoumss. SuAab/e malena/s include native Gaysm /s, dayuysandsai) , arMbedmckmatenals whichare broken dawn to Nese soAtypes (SC, CC, CL and CN). BadmdrisaftWis shou /dbe <br />prruarsed topmdumasd /Hke malena/wifh maximumpertide size ofaInches The mstena/s usedss embankment AN ShoNO'/reve st /east 25permntfines (mafena /AnerMan No. 200sieref. The.Aeldengineormeygoprove the use ofofheimatenals fodow/rgappropdafe <br />/abomtory testing. <br />Unaaaplable F/ / /Malerfe /s: <br />Malene /snot muiderodsu /!eb/e foruae es embankmentfi / //nc/uda Leaner sand andgrave% Also unaccapteb/e are high /yradwneceous mefeda /s oblairred7mm bedrock excavaf/ons a'we/ /cemerrtedserMSfmres which do nofbraek down fo sodlike malaria/, HIghyorganresoo, <br />wmefena /s containirq consbuCtlon debris are also ref accepfebfe. Frozen sot /is rroi accepfab/e. <br />Fi11P1aoam nt,wd CompadkxL <br />EmbankmentA//shou/dbep/aced /n MinbonzontalloR (8tol2imheskwsetblck7 s). ThegNshouVdb st mwnddiorredfowifiin2pementofoptmummoisiuraconlentaOmmpacWtoal/ aast95percwntofstnndeafptwfarmaximumdrydensffy (AS7MD698). The <br />p/aprg andsproading ofAAmaferis /s shouMbe s!a/ledatAre /aweslpointof6la embanknrent Fi7/p/acementandcompaction shoo Idea observed andfesfadby qualTiedgeofechnka /engirreerirg 5rm. <br />A4m#c irrg and 1rlspeclmns: <br />Monitm/ng and inspections should bepadormedby q,91ft dinawduals as outlined /n CakaaOo ORMS r igulafans <br />Construction Notes: <br />1. Premising Topogm by has been supplemented with one foot contour date based field survey <br />data collected by Epp & Associates duringp the Fell of 2006 using GPS methods. Final as -but Ht <br />survey data was collected October 18, 2W 7 by Epp & Associates. <br />2. See Map 41A for general location and associated drainage areas. <br />3. Embankment to be constructed of compacted fill using materials specifed by field engineer. Refer to <br />to Exhibit 7, Item 20, Part F for Geotechnical Information and compaction specifications. 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 shall be riprapped with 18 inch median <br />size matehaL AREA - CAPACITY TABLE <br />(Re iwd followingm- builtsurvey) <br />ELEVATION <br />AREA <br />AVERAGEAREA <br />CAPACITY <br />INCREMENTAL <br />CUMULATIVE <br />(Feet) <br />(Acres) <br />(Acres) <br />(Acre -Feet) <br />(Acre -Feel) <br />7455 <br />0.0222 <br />0 <br />0.0605 <br />0.30 <br />7460 <br />0.0989 <br />0.30 <br />0.1590 <br />0.80 <br />7465 <br />0.2191 <br />1.10 <br />0.3066 <br />1.53 <br />7470 <br />0.3941 <br />2.63 <br />0.4814 <br />2.41 <br />7475 <br />0.5687 <br />5.04 <br />0.5987 <br />0.48 <br />7476 <br />0.6287 <br />5.52 <br />TOTAL CAPACITY 6.52 ACRE -FEET (AS ' 'L7) <br />TOTAL CAPACITY 5.04 ACRE -FEET DESIGN <br />P0 otiooa <br />Page Exh 7- 20C -4A <br />ENGINEERS CERTIFICATION <br />1, THOMAS C. PETERSON. being a <br />Licensed Professional Engineer in <br />the State of Colorado, do hereby <br />certify that this map has been <br />reviewed by me and that iteccurately <br />represents the as -buift condition of the <br />impoundment following construction. <br />p U O 111 L <br />N c np J <br />32257 <br />� �. fo�2y <br />' ��4_ S S /n. . ••FAG - <br />