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4.2 Irrigation Designs <br />Areas that are to be returned as Reclaimed Irrigated Pastureland will be irrigated using either <br />sprinkler irrigation or flood irrigation. Map 2.05.4 -5 shows all irrigation layouts for the areas <br />west of 2700 Road. All Reclaimed Irrigated Pastureland fields west of 2700 Road and north of <br />BB Road will be flood irrigated, but a sideroll sprinkler design for the Benson East property was <br />included as part of determining the amount of water available for Benson West (west of 2700 <br />Road). <br />All calculations for both flood and sideroll sprinkler irrigation are shown in Attachment <br />2.05.4(2)(e) -9 for the Reclaimed Irrigated Pastureland reclaimed areas. These calculations <br />were done using irrigation design worksheets from the Colorado Irrigation Guide and National <br />Engineering Handbook Sec. 15, Chap. 11. Flood irrigation will be supplied by 4 inch to 10 inch <br />supply lines. The Lloyd and Benson West properties will have some portions of Reclaimed <br />Irrigated Pastureland, based on the amount of shares that are available for each landowner. <br />Benson has 12 shares available for the Benson West property, out of the 44 shares total that <br />he owns. The other shares are committed to two other Benson parcels that are in Reclaimed <br />Irrigated Pastureland east of 2700 Road ( Staats and Benson East). The designs <br />are based on the NRCS calculations with accounting for 6 days out of 7 days for operating the <br />system, allowing one day off for rest, unforeseen issues, system maintenance, family <br />commitments, etc. This design can be seen in Attachment 2.05.4(2)(e) -9. According to the <br />design worksheets, the Benson West property will be flood irrigated at a rate of 0.97 <br />shares /acre to cover an area of 12.40 acres from 12 shares. <br />NaydWFC has 24 shares available for Reclaimed Irrigated Pastureland on 1*i the Lloyd <br />property. The designs are based on the NRCS calculations with accounting for 6 days out of 7 <br />days for operating the system, allowing one day off for rest, unforeseen issues, system <br />maintenance, family commitments, etc. This design can be seen in Attachment 2.05.4(2)(e) -9. <br />According to the design worksheets, the Lloyd property will be flood irrigated with a total of 24 <br />shares spread over 25.62 acre. This is a flood irrigation flow of 0.94 shares /acre. <br />All of the IP and DP areas of these parcels are shown on Map 2.05.4 -5. <br />August 2013 PR -08 2.05.4(2)(e) - 19 <br />