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B. Protective vault box shall be of sufficient durability to protect lysimeter leads <br /> from adverse weather and traffic loads. <br /> 2.16 BOLLARDS <br /> A. Bollards shall be at least 3-ft in height and of a sufficient diameter to protect the <br /> leachate risers from vehicular damage. <br /> 2.17 PIPE STAKES <br /> A. Slope stakes for maintaining pipe on slope shall conform to the provisions in <br /> CalTrans Standard Specification Section 75, Miscellaneous Metal. <br /> PART 3 EXECUTION <br /> 3.1 PROTECTION OF EXPOSED SURFACES <br /> A. During seasonal shutdowns and during other periods of prolonged exposure (more <br /> than 3 days) of excavated or filled areas, or stockpiles, the EARTHWORK <br /> CONTRACTOR shall provide labor, materials and equipment, as required by the <br /> OWNER, to maintain and protect exposed surfaces of cut-and-fill slopes against <br /> wind and water erosion and/or damage. Prior to the application of protective <br /> erosion control measures, the exposed surfaces shall be sloped to drain, and be <br /> compacted with a smooth drum roller, to eliminate ruts and ridges formed by <br /> construction equipment. Methods used to protect exposed surfaces must be <br /> approved by the QA/QC CONSULTANT; however, the EARTHWORK <br /> CONTRACTOR shall be responsible for the effectiveness of the protective <br /> method. In addition, the EARTHWORK CONTRACTOR shall be responsible <br /> for providing all necessary earthwork to protect all exposed geosynthetic materials <br /> installed by the GEOSYNTHETCS CONTRACTOR. <br /> 3.2 EARTHWORK- GENERAL <br /> A. Required lines, levels, contours and datum shall be identified by the <br /> EARTHWORK CONTRACTOR before the start of earthwork operations. <br /> B. Earthwork shall conform to lines, grades, and minimum thicknesses and slopes <br /> indicated on the Construction Drawings and as specified in this section. <br /> C. Drainage ditches shall be constructed and maintained to provide drainage during <br /> construction as directed by the OWNER. <br /> D. The EARTHWORK CONTRACTOR will be responsible for providing siltation <br /> control and management during construction, in general accordance with the site's <br /> approved Storm Water Pollution Prevention Plan. <br /> E. Care shall be taken during earthwork operations to avoid damaging synthetic <br /> components of the landfill including HDPE Pipe, Geotextile, Geomembrane, <br /> Geosynthetic Clay Liner, Geogrid and Geocomposite Drainage Net. Damage <br /> Forward Landfill WMU FU-04 <br /> 02300 9 EARTHWORK <br />