2018-09-25_REVISION - M2014043

• Permit No: M2014043
• IBM Index Class Name: REVISION
• Doc Date: 9/25/2018
• Doc Name: Request for Technical Revision
• From: DRMS
• To: Albert Frei & Sons
• Type & Sequence: TR1
• Email Name: JLE
• Email Name: MAC
• Media Type: D
• Archive: No

Table 2-REVISED AUGUST 2018
Frei Hatchery Pit(DMG Permit No. M-2014-043)
SWSP Water Budget and Accounting Form
(all values k1 acre-feet,unless othenarlse noted)
(1) (2) (3) r4) (`) (6) rya) (7) (a) (9) (10) (Ili (12) (13) (14)
DEPLETIONS REPLACEMENTS
Excavation Evaporation Pumping
Month Soil Total Lagged
Volume Moisture Acres Net Ev Dust Dewater Depletions Depletion %Month Replacement Metro Effluent Transit Loss Net Metro Balance
Tons Content Evaporation Depletion Controlw/Call Requirement Lease Accretions
Oct-17 52.500 1.16 1.00 0.30 0.30 0.07 1.53 -1.13 100% -1.13 1.17 0.040 1.13 0.00
Nov-17 39.000 0.86 1.00 0.20 0.20 0.02 1.08 -1.02 100% -1.02 1.04 0.018 1.02 0.00
Dec-17 39,000 0.86 1.00 0.09 0.09 0.02 0.97 -0.92 100% -0.92 0.94 0.016 0.92 0.00
Jarr18 39,000 0.86 1.00 0.08 0.08 0.02 0.96 -0.91 100% -0.91 0.92 0.016 0.91 0.00
Feb-18 39,000 0.86 1.00 0.08 0.08 0.02 0.96 -0.91 100% -0.91 0.93 0.016 0.91 0.00
Mar-18 39,000 0.86 1.00 0.10 0.10 0.02 0.98 -0.93 100% -0.93 0.95 0.016 0.93 0.00
Apr-18 75,000 1.66 1.00 0.12 0.12 0.10 1.88 -1.60 100% -1.60 1.66 0.056 1.60 0.00
May-18 82,500 1.82 1.00 0.22 0.22 0.11 2.16 -1.94 100% -1.94 2.00 0.068 1.94 0.00
Jun-18 90,000 1.99 1.00 0.28 0.28 0.20 2.47 -2.24 100% -2.24 2.32 0.079 2.24 0.00
Jul-18 90.000 1.32 1.00 0.42 0.42 0.20 1.95 -1.92 100% -1.92 1.99 0.068 1.92 0.00
Aug-18 90,000 1.32 1.00 0.45 0.45 0.12 1.89 -1.83 100% -1.83 1.89 0.064 1.83 0.00
Sep-18 75,000 1.10 1.00 0.39 0.39 0.10 4.09 1.59 -4.62 100% -0.53 1.66 0.056 1,60 1.07
Total 750.000 14.68i 2.75 2.75 1.00 4.09 1 18.43 -19.96 1 1 -15.87 17.45 0.512 ' 16.94 1 1.07
Oct-18 52,500 0.77 1.00 0.30 0.30 0,07 2.86 1.14 -3.93 100% -1.07 1.27 0.043 1.23 0.15
Nov-18 39,000 0.57 1.00 0.20 0.20 0.02 2.13 0.80 -3.01 100% -0.88 0.92 0,016 0.90 0.02
Dec-18 39,000 0.57 1.00 0.09 0.09 0.02 2.13 0.69 -2.78 100% -0.65 0.77 0.013 0.75 0.10
Jarr19 39,000 0.57 1.00 0.08 0.08 0.02 2.13 0.67 -2.74 100% -0.61 0.72 0.012 0.71 0.10
Feb-19 39,000 0.57 1.00 0.08 0,08 0.02 2.13 0.67 -2.73 100% -0.60 0.71 0.012 0.70 0.10
Mar-19 39,000 0.57 1.00 0.10 0.10 0.02 2.13 0.70 -2.74 100% -0.62 0.72 0.012 0.71 0.09
Apr-19 75,000 1.10 1.00 0.12 0.12 0.10 4.09 1.33 -4.66 100% -0.57 1.21 0.041 1.17 0.60
May-19 82,500 1.21 1.00 0.22 0.22 0.11 4.50 1.55 -5.51 100% -1.01 1.47 0.050 1.42 0.42
Jurr19 90,000 1.32 1.00 0.28 0.28 0.20 4.91 1.81 -6.17 100% -1.26 1.72 0.059 1.66 0.40
Jul-19 90,000 1.32 1.00 0.42 0.42 0.20 4.91 1.95 -6.43 100% -1.52 1.88 0.064 1.62 0.30
Aug-19 90,000 1.32 1.00 0.45 0.45 0.12 4.91 1.89 -6.47 100% -1.56 1.88 0.064 1.81 0.26
Se -19 75,000 1.10 1.00 0.39 0.39 0.10 4.09 1.59 -5.67 100% -1.58 1.65 0.056 1.60 0.01
Total 750 000 11.04 2.75 2,75 1.00 40.91 1 14.78 1 -52.84 1 1 -11.93 - 14,92 0,442 1 14.48
TOTAL 1.5M tons 25.72 5.50 2.00 45.00 1 33.21 1 -72.80 -27.80 32.37 1 31.42 1 3.62
Notes'
1.750000 tons excavated each yearforthree years.Distributed monthly based on projected production schedule through May 2019.
2.Material on site estimated as-1/2 below and-1/2 above water table,therefore,3.0%moisture content.
3 Exposed post-1981 surface area.
4.Based on gross evaporation(43 In.from NOAA NWS-33)distributed monthly per SB-120 for elevations less than 6,500'minus 70%of avg precip.for Brighton weather station.
5.Equal to(2)'(3).
6.1 ac-ft annual use of water pumped from pit.Distributed based on typical production schedule.
6a.45 ac-ft total dewatering from Phase It during Oct 2018-Sep 2019.Distributed based on typical production schedule
7 Equal to(2)+(5)+(6).
B.Total mining tlepletions 1(6)+(6a)]lagged to over with monthly lagging factors for site based on Glover Anaysis using D=350 R.,SS=0.2,Db=12900 ft.,T=87000 gpdn.alpha=L 16
9.Portion of month with active call placed downstream of pit,assumed 100%for planning purposes.SWSP accounting will be based on actual call recorded by Water Division 1 office.
10.Equal to I(8)-(9)+(6a)]a 0
11 and 11 a.Reusable effluent delivered from Metro WWTP pursuant to lease with City of Aurora.
12.Transit loss of 0.5%summer(0.25%winter)per mile over 6.8 over miles down to Bull Seep discharge near McKay Road bridge.
13.Equal to(11)-(12).
14.Equal to(10)+(13)+max 10.(8)'(9)+(6a)I.Positive values indicate accretions to over N egative values indicate depletions to rrver.
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