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ameO <br /> SECTION 02200.0 EARTHWORKS <br /> PART 1: GENERAL <br /> 1.01 SUMMARY: <br /> This SPECIFICATION describes site preparation, excavation, stockpiling of soils for earthwork if necessary, <br /> and placement of Structural/Overburden Fill, Select Structural Fill, Coarse Shaft Backfill, Underdrain Fill, <br /> Bedding Fill,Soil Liner Fill,Drain Cover Fill,Fine Shaft Backfill,Pipe Bedding Material,and Granular Filter <br /> Material for the mill site earthworks project. <br /> 1.02 RELATED SECTIONS: <br /> Refer to the following Sections for related work: <br /> ■ Section 01050.0-Staking and Construction Certification Documentation <br /> ■ Section 02776.0—Geomembrane <br /> ■ Section 02776.1 -Geogrid <br /> ■ Section 02777.0-Geotextile <br /> 1.03 TOLERANCES: <br /> A. Limits of excavation, Structural/Overburden Fill, Select Structural Fill, Coarse Shaft Backfill, <br /> Underdrain Fill, Low Volume Solution Collection Fill, Bedding Fill, Soil Liner Fill, Drain Cover <br /> Fill, Fine Shaft Backfill, Pipe Bedding Material, and Granular Filter Material for the Mill Site <br /> Earthworks Project are defined by the lines and elevations shown on the DRAWINGS. All fill shall <br /> be placed to the minimum thicknesses shown on the DRAWINGS. <br /> B. Finished grades shown on the DRAWINGS are given in feet, and shall slope uniformly between <br /> given spot and contour elevations,without sag or humps. All grades shall provide for natural runoff. <br /> C. The Soil Liner Fill and Bedding Fill shall have a minimum thickness of 1.0 foot. <br /> D. The Drain Cover fill will have a minimum thickness of 2.0 feet at all times. <br /> E. Clearance of pipes with respect to regulated boundaries will be checked by MANAGER. If <br /> clearances are inadequate, CONTRACTOR shall backfill trenches to compaction <br /> SPECIFICATIONS and relocate trenches at CONTRACTOR's expense. <br /> F. Correction of over excavation and backfilling shall be to CONTRACTOR's account. <br /> 1.04 QUALITY ASSURANCE: <br /> A. All work shall be monitored and tested in compliance with the requirements of the CQA Plan. <br /> B. CONTRACTOR shall be aware of all testing activities outlined in the CQA Plan, and shall account <br /> for these activities in the construction schedule. <br /> Section 02200 Page 1 of 16 May 9,2012 <br /> Earthworks Revision 1 <br />