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mNewFields CALCULATION COVER SHEET <br /> Client Newmont jPreparer I JEP 10/31/19 <br /> Project Squaw Gulch VLF2 Phase 3 Checked: I JNM 10/31/19 <br /> Title Prima Solution Collection Pipe Sizing Revision I A <br /> CALCULATION OBJECTIVE <br /> Design primary solution collection piping for VLF2 Phase 3,accounting for ore loading effects. Given maximum <br /> volumetric flow rate= 17,000 gpm. <br /> ASSUMPTIONS <br /> 1. FOS= 1.25 <br /> 2.Three primary pipes used to convey flow <br /> 3. SDR 11 pipe with mannings n =0.01 <br /> METHODOLOGY <br /> NewFields reviewed calculations from "Cripple Creek&Victor Gold Mining Company Squaw Gulch Valley Leach Facility <br /> Design, 2011".The criteria and assumptions used to design the primary solution collection pipes for Phases 1 and 2 <br /> were consistent with the proposed Phase 3 design. Refer to "Cripple Creek&Victor Gold Mining Company Squaw <br /> Gulch Valley Leach Facility Design, 2011"for primary pipe sizing results. <br /> REFERENCES <br /> 1.AutoCAD Civil 3D 2018 <br /> 2. Cripple Creek&Victor Gold Mining Company Squaw Gulch Valley Leach Facility Design,AMEC Earth and <br /> Environmental, September 1, 2011. <br /> CONCLUSIONS <br /> The primary solution collection pipes shall consist of three 28 inch diameter SDR 11 HDPE perforated pipes. <br /> Filename: <br /> P:\Projects\0106.033 VLF2 Phase 3 Detailed Design\H-CALCULATIONS\Pipe Calcs\[Pipe Sizing and Spacing_CC&V.xlsx]Calc Cover-Primary Pipes <br />