2012-02-28_REVISION - M1980244 (75)

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carried out on a 100 -foot by 100 -foot grid with additional survey points required to define valley leach facility topographic features (i.e., toe of slope, crest of slope, breaks in grade), unless otherwise directed by MANAGER. The Record Drawings shall include elevations and locations for the following: • Underdrain plan view showing the limits of the valley leach facility. Underdrain Fill and underdrain alignment, with elevations every approximately 100 feet or on every break in grade • Diversion channel plan and profile view along the diversion channel alignment • Leak detection trench plan view showing the limits of the valley leach facility, leak detection trench alignment, and leak detection sumps, with elevations every approximately 100 -feet • Perimeter access roads • Top of Upper geosynthetics in the Pregnant Solution Storage Area, including the Vertical Riser Sump and base plates • High Volume Solution Collection piping plan showing the limits of the VLF, and piping alignment with elevation every approximately 100 -feet In addition, the Colorado licensed surveyor will provide a surveyor's certificate to be submitted in the Construction Certification Report. C. Submittal: Soil Liner Fill plan view showing the limits of the valley leach facility, with contours of the Soil Liner Fill and Bedding Fill surface on a 10 -foot contour interval, including the regraded ore slopes and end berms Low Volume Solution Collection piping plan showing the limits of the composite liner, double liner and single liner, and piping alignment with elevations every approximately 100 feet CONTRACTOR will submit completed as -built documentation within seven (7) calendar days upon completion of the work in the following manner: 1. Submit two (2) hard copies to the MANAGER. 2. Submit two (2) non - reproducible copies to the MANAGER in electronic form on compact disks (CD) or DVD's and in an AutoCAD compatible format. D. The CONTRACTOR will be responsible for performing the following survey activities associated with the Construction Certification Report: 1. Provide northing, easting, and elevation for all Soil Liner Fill depth verifications. 2. Provide northing, easting, and elevation for geomembrane panel intersections and destructive samples. Section 01050 Page 2 of 3 January 14, 2011 Construction Staking Revision 0 S \Protects \1125G Squaw Gulch Valley Leach Facililty Design \I - Tech Specs \01050 r1 doc amec9