2019-07-01_INSPECTION - M2001022

Home Browse Search

Exhibit D Loveland Ready Mix Concrete,Inc.,Case No.2009CW105 Accounting Form A Future Evaporation Depletion Accounting-Waite rsBokelman Pit(#M-2006-080) YEAR 2011 Exposed Area Gross Volume of Gross Average Total Effective Net Evaporation Net Evaporation Lagged Net Requiring Evaporation Evaporation Evaporation Month Augmentation Rate Evaporation Precipitation Precipitation Rate Volume Lagging Pattern Depletions (acres) Ut) (ac-ft) (ft) (ac-ft) (ft) (ac-ft) (%) (ac-ft) fli 12131 [41 F516 7 8 9 November 11.50 0.13 1.54 0.06 0.04 0.09 1.05 5.1% -1.45 December 11.50 0.10 1.16 0.04 0.03 0.07 0.82 3.3% -0.94 January 11.50 0.10 1.16 0.04 0.03 0.07 0.85 3.0% -0,84 February 11.50 0.12 1.35 0.04 0.03 0.09 1.05 3.4% -0.97 March 11.50 0.18 2.12 0.10 0.07 0.12 1.33 4.3% -1.21 April 11.50 0.30 3.47 0.15 0.10 0.20 2.27 6.7% -1.99 May 11.50 0.40 4.62 0.23 0.16 0.24 2.80 9.0% -2.56 June 11.50 0.49 5.59 0.15 0.11 0.38 4.35 13.1% -3.73 July 11.50 0.50 5.78 0.13 0.09 0.41 4.70 15.9% -4.52 August 11.50 0.45 5.20 0.13 0.09 0.36 4.18 15.4% 4.37 September 11.50 0.34 3.85 0.11 0.08 0.26 2,98 12.2% -3.46 October 11.50 0.23 2.70 0.09 0.06 0.17 2.00 8.5% -2.42 Total 3.35 38.53 1,26 0.88 2.47 28.37 100.0% -28 37 Notes: [11 Exposed area requiring augmentation allows for augmentation of up to a total of 11.5 acres at W altersBokelman Pit. [21 Total gross evaporation(3.35 feet)is based upon NOAA Technical Report NWS 33 and distributed according to SEO Senate Bill 89-120 criteria: November: 4,0% February: 3.5% May: 12.0% August: 13.5% December: 3.0% March: 5.5% June: 14.5% September: 10.0% January: 3.0% April: 9.0% July: 15.0% October: 7.0% [31[11 x[2]. [41 Based upon the average of precipitation data at the Waterdale,CO(ID#8839)and Greeley UNC,CO(ID#3553-confirm)NOAA weather stations for the time period 1950-2007 (both stations) [5]Assumed 70%effective precipitation. [51 is equal to[4]x 70%. [6][21-[5] [71[1]x[6] [8]Lagging pattern for the WaltersBokelman Pit cells is based upon IDS AWAS Glover Analysis using the following parameters(assuming steady state conditions): Transmissivity 50,000 gallons/day/foot Specific Yield:0.2 Aquifer Width:981 feet Distance from center of pit to river:661 feet [91 The total lagged depletion is equal to the total of[71 x[8].