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Table 1
<br />Bernhardt Pit
<br />Evaporative and Operational Losses
<br />�,,�� ap'" 'jljs;' `Percent
<br />or- ;r+ :.«.*Gross : 7,- ts,,'1 Average a .: t •Effective ; ?tom. �K' .° Net -t �'� - ',V7 Net Water Surface
<br />-'R"s-F. +...s t, • st} u•, . -. A, :. ,b,R^6iK ,, ;. _• _ .- ,xw.- Ytl:'4. Y! �3'• iS7° .,.,�,..
<br />Month gy.'ti�;zY; ",a Annual 4-,;° Evap`oration:.,,_4; Precipitation,. Precipftatior7n•,: r -4 y Evaporation rti r<• - Evyap }iadon
<br />+f :�,z.. S� °y`s`.'' «- ''z,x'.,r e•,-•' '14t•,P�.<t•.•'tT S7 >,�t� ; ^'.,3 ".c qr •t' 6.52"'�"•�w' ":
<br />F ' Evaporation j , � + •$`y 4 .: 3 r
<br />�' =t-•Y fs s;£'t 6. �� f :i ar;��� s a''(•, ry. 't^ `.,° •"'°�`{4"�•• �
<br />+• ?�.4i��w.r
<br />:' - 7%tt'� -- t'ai Fs� �;,�!ejsr :.i s iZ. '}+ I.' �- -°i #*s �}''f • r - ' .. 52 �' +�•v. .$r. M'.�' -� -. �. _,
<br />a'f fi'•--'�� �'y,. *•'`~. °� c %�'�"`: (fndies) t a w�-+. :' x'( Niches) aid..�'%•:1�:',�%�feicFtes):� }: ';4;E`,�Ctxd�es) .•,..= �'�?VS::s.:- -lac�o-(eet);`.�iC:e
<br />(t) [21 [3) NI A 16)
<br />Januaary� 3.0% 1.32 0.40 0.28 1.03 0.56
<br />Fe 3.5% 1.53 0.39 0.28 1.26 0.68
<br />March g �5, 5.5% 2.41 1.10 0.77 1.65 0.89
<br />a' 9.0% 3.95 1.60 1.12 2.82 1.53
<br />z: 12.0% 526 2.51 1.76 3.50 1.90
<br />June eun ^r Svc
<br />�'`- •�+°'•'� 14.5% 6.36 1.68 1.18 5.18 2.82
<br />l9y•+;_
<br />duly, 3 ; ;+3 15.0% 6.58 1.11 037 5.80 3.15
<br />August 13.5% 5.92 1.24 0.87 5.05 2.75
<br />September §rY 10.0% 4.39 1.24 0.87 3.51 1.91
<br />7.0% 3.07 0.85 0.59 2.48 1.35
<br />October, .S. n.
<br />No`vetti6er 4.0% 1.75 0.68 0.47 1.28 0.70
<br />December 3.0% 1.32 0.47 0.33 0.99 0.54
<br />Total - ! .a. 100.0% 43.86 13.27 9.29 34.57 18.78
<br />:: °q4' yPareintof = �Amount6f� e:. aWator,Lost�•I rPefcentof.,?ra• rArnou;to`fQI "'''!:'Witer,Used -i �rr��'.WeterUsed � 3i ''Total- �c.`•'
<br />•'r. •'•.F- , P` R� �t "�D' -• ;yam -•s +Y i4- y} ti 1 i r:-hi• Y 31k, T
<br />Months f �'✓ Annual; Aggregate% .'bWlthMined ;Annual 4'.,`4f� Concrete- ,+i ^5 +'•,InConcrete `� , for Dust Y* Evaporative
<br />.� b�r. < s{ • rs� � - 1,R.ar: • � =A• t p'wr•.. ti a�" 3 :.;.,,. .+: � '+•i:
<br />F ;, .,�.
<br />r . aO As . Aggregate ,' Production ' ;`;',- A re ate �"• "tl'"& Concrete' Productlo a - Batchin y " {
<br />.q rS'• o �t 99 9 ' a #� � �Z+ �y .•v,F'.s Cc�trol. kejs�- 60peratlanal�i
<br />V*," . 'a' 4+5 0 -�- `�i.�.?.v'•c "+ti•['i '� ;.L. g3'l�%"� •i K.`;,..,�•x�`•- 's-•
<br />P�oduc0on g L 3• "� s'Production. ; »° v �'` t n• Co`sse`s ci
<br />�y ;•;t r• t;;Y.a_1`• u' +:ax :•!����Cii "1'.• " �'t... °a, �`� .si %i'��ir' ' «•^ ri ;.g. _ „�y,.
<br />} .rw"^- <`ly.;tx s ;Wy.ds <.,`!fP'; aria °feet ;���aS,, iLi..i`'s: ?'slculHe bs t' * ^` #aue�fee -9•fX is:_•'v., sue -teal !;''.f' acre.
<br />._.� � �' a(� ).. i �+_t _) "• ..`d i� "- .a�.9.{sfrlr`.��'1` r t Yak) S . t .rt � ,-+ - .i :•s. (�� )�. _ .C' ( •�
<br />r£I 181 19) 1101 (its [121 (131 (141
<br />Januaryi��,fi .�
<br />-s
<br />0.0%
<br />0 0.00 0.0% 0 0.00
<br />0.00 0.56
<br />Februa
<br />0.0%
<br />0 0.00 0.0% 0 0.00
<br />0.00 0.68
<br />1• :...,... �..�
<br />Merch,:y��ra.t
<br />0.0%
<br />,
<br />0 0.00 5.5% 0 0.00
<br />0.00 0.89
<br />0.0%
<br />0 0.00 9.0% 0 0.00
<br />0.00 1.53
<br />M?Y
<br />10.8%
<br />5,416 0.16 13.0% 0 0.00
<br />0.37 2.43
<br />June-''•,`+"
<br />15.4%
<br />7,686 0.23 16.5% 0 0.00
<br />0.37 3.42
<br />-YS i
<br />Julys
<br />13.8%
<br />6,916 0.20 18.0% 0 0.00
<br />0.37 312
<br />Augustt� t
<br />13.6%
<br />6,811 0.20 15.0% 0 0.00
<br />0.37 3.32
<br />•
<br />September_. •;
<br />13A%
<br />6,711 020 11.0% 0 0.00
<br />0.37 2.48
<br />r-
<br />October;x o
<br />12.6%
<br />6,311 0.19 8.0% 0 0.00
<br />0.37 1.91
<br />ern .. ,
<br />10.6%
<br />5,316 0.16 4.0% 0 0.00
<br />0.37 123
<br />Decembers -%
<br />9.6%
<br />4,816 0.14 0.0% 0 0.00
<br />0.37 1.05
<br />Tota6 •$7 ps
<br />100.0%
<br />50,000 1.47 100.0% 0 0.00
<br />2.96 23.21
<br />Notes:
<br />[11 From SS 120. the evaporation percentages are for gravel pits Wth elevations below 6,500 feel
<br />t21 Equals Percent of Annual Evaporation times 43.86 "as.
<br />P] From Colorado State Udverdlys Colorado Climate Center web page, h4,1kocstmos.colostale.edu for Longmont Weather Station.
<br />01 Equals Column (3) 6mes 70 percent. 70 percent value was taken Imm 56120.
<br />19 Equals Column (2) mews Column (4). We msubnt value is lass than zero then a zero is substituted.
<br />[61 Equals Column (5) dvided by 12 times 6.52 acres. Includes Pond 1(5.16 ec), Setting Pond 2 (0.70 ac) and Selling Pond (0.64 ac).
<br />I71 Based on Information from Hal - Irwin.
<br />[61 Equals Column (7) tines 50,000 tons per year. Production based on Information from Hall-Irwin. This Is production from the 22 sues mining operation.
<br />[9) Equals Column (2) times 2000 times 4% divided by 62A divided by 43,560.
<br />[10) Based on Information from Beshvay.
<br />1111 Equals Column (1o) times zero cy per year.
<br />1121 Equals Column (11) times 40 gallons divided by 325851. Assume a use of 40 gallons per cubic yard of concrete production.
<br />1131 Equals 3,953 gallons perday times number of operating days (30.5 days) In the month divided by 325.851, dudN production months.
<br />[141 Equals Column (6) plus Column (9) plus Column (12) plus Column (13).
<br />BERN SWSP2015.xis Civil Resources, LLC, 1/8/2015
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