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• using survey information after completion of the stockpile activities. Adequate <br /> storage capacities exist for the expected volumes. <br /> • Topsoil stockpiles will be graded to slopes no greater than 3H:1V in <br /> contoured configurations within one month of the topsoil salvage operation. <br /> Drainage will be constructed around the stockpiles to prevent erosion. <br /> • Interim seeding will be conducted on the topsoil stockpiles as described <br /> herein. <br /> • Topsoil stockpiles have been located where rehandling is unlikely for the life- <br /> of-mine. Topsoil stockpiles will be identified on site maps and signed so as to <br /> prevent disturbance and mishandling. <br /> • 3.5.3 Corridor Excavation <br /> Excavation of the PC3 Conveyor corridor will be within the footprint identified on <br /> the Reclamation Plan Map (Exhibit C). Excavation will be conducted using <br /> heavy equipment selected by the contractor and is likely to include large dozing <br /> equipment, hoe excavators, and possibly scraper equipment. Blasting is <br /> foreseen as a requirement for several areas along the conveyor route. <br /> Compaction equipment will be needed to configure appropriate foundations and <br /> road subgrades. <br /> 3.5.4 Post Construction Slope Configurations <br /> Design parameters for slope configurations on cut and fill banks along the <br /> conveyor route are as follows: <br /> • . Bedrock Materials -- No greater than 1 H:1V <br /> AO <br /> iwe <br /> 19 <br /> January 16.1998 <br /> Pond. <br />