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Table 1
<br />Bernhardt Pit
<br />Evaporative and Operational Losses
<br />Notes
<br />[11 From S8 120, the evaporation percentages are for gravel pits with elevations below 6,500 feet
<br />12) Equals Percent of Annual Evaporation times 29 05 inches
<br />(3] From Colorado State University's Colorado Climate Center web page, http / /coo atmos colostate edu for Longmont Weather Station
<br />14) Equals Column (3) times 70 percent 70 percent value was taken from S8 120
<br />(5) Equals Column (2) menus Column (4) If the resultant value Is less than zero then a zero is substituted
<br />[6] Equals Column (5) divided by 12 Imes 11 11 acres Includes Pond 1(4 97 ac), Pond 2 (5 43 ac), Processsng pond (0 40 ac) and dewatenng trench (0 31 ac)
<br />M Based on Information from Hall -Irwin
<br />[8] Equals Column (7) times 400,000 tons per year Production based on Information from Hall -Irvin This is production from the 22 acres mining operation
<br />19] Equals Column (2) times 2000 Imes 4% divided by 62 4 divided by 43,560
<br />[10] Based on Information from Hall -Irwin
<br />(11] Equals Column (10) Imes 100,000 cy per year Production based on information from Hall -Irvin
<br />[12] Equals Column (11) times 40 gallons divided by 325851 Assume a use of 40 gallons per cubic yard of concrete production
<br />[13] Equals 6000 gallons per day Imes number of operating days (20 days) in the month divided by 325851, during production months (March thru November)
<br />[14] Equals Column (6) plus Column (9)
<br />BERN SWSP2013 As Crvl Resources, LLC, 9/5/2012
<br />Percent of
<br />Gross
<br />Average
<br />Effective
<br />Net
<br />Net Water Surface
<br />Month
<br />Annual
<br />Evaporation
<br />Precipitation
<br />Precipitation
<br />Evaporation
<br />Evaporation for
<br />Concrete
<br />Evaporation
<br />for Dust
<br />Evaporative
<br />Aggregate
<br />6.52
<br />Aggregate
<br />& Concrete
<br />(Inches)
<br />(Inches)
<br />(Inches)
<br />Preheat
<br />(acre -feet)
<br />Production
<br />[1]
<br />[21
<br />[31
<br />[41
<br />[51
<br />161
<br />January
<br />30%
<br />1.32
<br />040
<br />028
<br />103
<br />056
<br />February
<br />35%
<br />1.53
<br />0 39
<br />0.28
<br />1.26
<br />068
<br />March
<br />55%
<br />241
<br />1 10
<br />077
<br />165
<br />0.89
<br />April
<br />90%
<br />3 95
<br />160
<br />1 12
<br />282
<br />153
<br />May
<br />120%
<br />5 26
<br />251
<br />1.76
<br />350
<br />190
<br />June
<br />145%
<br />636
<br />168
<br />1 18
<br />5.18
<br />282
<br />July
<br />150%
<br />6.58
<br />1.11
<br />077
<br />580
<br />315
<br />August
<br />135%
<br />5 92
<br />124
<br />087
<br />505
<br />275
<br />September
<br />100%
<br />4,39
<br />1,24
<br />0 87
<br />351
<br />191
<br />October
<br />7.0%
<br />307
<br />0 85
<br />059
<br />248
<br />135
<br />November
<br />40%
<br />175
<br />068
<br />047
<br />128
<br />070
<br />December
<br />3.0%
<br />132
<br />047
<br />033
<br />099
<br />0 54
<br />Total
<br />100.0%
<br />43.86
<br />13.27
<br />9.29
<br />34.57
<br />18.78
<br />Notes
<br />[11 From S8 120, the evaporation percentages are for gravel pits with elevations below 6,500 feet
<br />12) Equals Percent of Annual Evaporation times 29 05 inches
<br />(3] From Colorado State University's Colorado Climate Center web page, http / /coo atmos colostate edu for Longmont Weather Station
<br />14) Equals Column (3) times 70 percent 70 percent value was taken from S8 120
<br />(5) Equals Column (2) menus Column (4) If the resultant value Is less than zero then a zero is substituted
<br />[6] Equals Column (5) divided by 12 Imes 11 11 acres Includes Pond 1(4 97 ac), Pond 2 (5 43 ac), Processsng pond (0 40 ac) and dewatenng trench (0 31 ac)
<br />M Based on Information from Hall -Irwin
<br />[8] Equals Column (7) times 400,000 tons per year Production based on Information from Hall -Irvin This is production from the 22 acres mining operation
<br />19] Equals Column (2) times 2000 Imes 4% divided by 62 4 divided by 43,560
<br />[10] Based on Information from Hall -Irwin
<br />(11] Equals Column (10) Imes 100,000 cy per year Production based on information from Hall -Irvin
<br />[12] Equals Column (11) times 40 gallons divided by 325851 Assume a use of 40 gallons per cubic yard of concrete production
<br />[13] Equals 6000 gallons per day Imes number of operating days (20 days) in the month divided by 325851, during production months (March thru November)
<br />[14] Equals Column (6) plus Column (9)
<br />BERN SWSP2013 As Crvl Resources, LLC, 9/5/2012
<br />Percent of
<br />Amount of
<br />Water Lost
<br />Percent of
<br />Amount of
<br />Water Used
<br />Water Used
<br />Total
<br />Month
<br />Annual
<br />Aggregate
<br />With Mined
<br />Annual
<br />Concrete
<br />In Concrete
<br />for Dust
<br />Evaporative
<br />Aggregate
<br />Production
<br />Aggregate
<br />& Concrete
<br />Production
<br />Batching
<br />Control
<br />& Operational
<br />Production
<br />Production
<br />Losses
<br />(tons)
<br />(acre -feet)
<br />(cubic yards)
<br />(acre-feet)
<br />(aae -feet)
<br />(acre -feet)
<br />m
<br />181
<br />191
<br />(101
<br />1111
<br />[121
<br />(131
<br />[t4]
<br />January
<br />00%
<br />0
<br />000
<br />0.0%
<br />0
<br />000
<br />000
<br />056
<br />February
<br />00%
<br />0
<br />000
<br />00%
<br />0
<br />000
<br />000
<br />068
<br />March
<br />00%
<br />0
<br />0,00
<br />55%
<br />550
<br />0,07
<br />037
<br />133
<br />April
<br />104%
<br />0
<br />000
<br />9,0%
<br />900
<br />O i l
<br />037
<br />201
<br />May
<br />144%
<br />0
<br />000
<br />130%
<br />1,300
<br />016
<br />037
<br />243
<br />June
<br />17.9%
<br />0
<br />000
<br />165%
<br />1,650
<br />020
<br />037
<br />339
<br />July _
<br />194%
<br />0
<br />0.00
<br />180%
<br />1,800
<br />022
<br />037
<br />3.74
<br />August
<br />164%
<br />0
<br />000
<br />150%
<br />1,500
<br />018
<br />037
<br />330
<br />September
<br />12.4%
<br />0
<br />000
<br />110%
<br />1,100
<br />0,14
<br />037
<br />242
<br />October
<br />94%
<br />0
<br />000
<br />80%
<br />800
<br />010
<br />0,37
<br />182
<br />November
<br />00%
<br />0
<br />000
<br />4.0%
<br />400
<br />H5
<br />037
<br />112
<br />December
<br />00%
<br />0
<br />000
<br />0,0%
<br />0
<br />0.00
<br />0,00
<br />054
<br />Total
<br />j 100.0%
<br />0
<br />0.00
<br />100.0%
<br />10,000
<br />1.23
<br />3.33
<br />23.34
<br />Notes
<br />[11 From S8 120, the evaporation percentages are for gravel pits with elevations below 6,500 feet
<br />12) Equals Percent of Annual Evaporation times 29 05 inches
<br />(3] From Colorado State University's Colorado Climate Center web page, http / /coo atmos colostate edu for Longmont Weather Station
<br />14) Equals Column (3) times 70 percent 70 percent value was taken from S8 120
<br />(5) Equals Column (2) menus Column (4) If the resultant value Is less than zero then a zero is substituted
<br />[6] Equals Column (5) divided by 12 Imes 11 11 acres Includes Pond 1(4 97 ac), Pond 2 (5 43 ac), Processsng pond (0 40 ac) and dewatenng trench (0 31 ac)
<br />M Based on Information from Hall -Irwin
<br />[8] Equals Column (7) times 400,000 tons per year Production based on Information from Hall -Irvin This is production from the 22 acres mining operation
<br />19] Equals Column (2) times 2000 Imes 4% divided by 62 4 divided by 43,560
<br />[10] Based on Information from Hall -Irwin
<br />(11] Equals Column (10) Imes 100,000 cy per year Production based on information from Hall -Irvin
<br />[12] Equals Column (11) times 40 gallons divided by 325851 Assume a use of 40 gallons per cubic yard of concrete production
<br />[13] Equals 6000 gallons per day Imes number of operating days (20 days) in the month divided by 325851, during production months (March thru November)
<br />[14] Equals Column (6) plus Column (9)
<br />BERN SWSP2013 As Crvl Resources, LLC, 9/5/2012
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