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~~;\l <br />SMITH WILLIAMS CONSULTANTS, INC. <br />• <br /> <br />• <br />1.3.7 Solution Piping <br />Parameter Value <br />Maximum hydraulic head on liner in ore stora a area 2 feet <br />Primary solution collection piping 26" DR 11 erforated HDPE, Mannin 's "n" of 0.011 <br />Secondary solution collection piping Perforated corru ated of e~lene (PCPE) ADS N-12, or equivalent <br />Tertiary solution collection piping 4" highway grade PCPE, Manning's "n" of 0.015 <br />Detailed discussions regarding the design criteria, supporting laboratory testing, engineering <br />analysis, and references used in the Phase 5 VLF are presented in subsequent sections of this <br />design report. <br />S:\PROJECTS\1 t25 CCBV PHASE 5 VLF\H2 - DESIGNWREQUA VLF\VLF PHASE 5 FINAL REPORT V2.DOC <br />12 <br />