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OUR,A SILVER AWES <br /> OSMI Response: Connex removal is included in Exhibit L.An excavator will be used for <br /> removal. <br /> 8. DRMS Comment: To-date has the Half Culvert been installed or is this feature still a <br /> proposed construction activity?If so, specify how the Half Culvert will be removed from site <br /> and include a User Provided Cost for the removal. If this aspect has been modified,provide <br /> sufficient information to bond for that feature. <br /> OSMI Response: The half culvert has been installed. As described in Item 5 and 6 in the first <br /> part of this response letter, all half culverts will be removed and disposed of as scrap metal and <br /> require no specialized equipment for removal. <br /> 9. DRMS Comment:Provide an updated total job hours for the demolition of permeant <br /> structures and removal of surface debris. <br /> OSMI Response: The total job hours for demolition of permanent structures and removal of <br /> surface debris is estimated to be 120 hours,which is provided in Exhibit L, Reclamation Cost <br /> Worksheets,which are provided in Attachment 3. <br /> Disposal of Chemicals <br /> 10. DRMS Comment.Provide an updated total job hours for the removal of all chemicals on <br /> site. <br /> OSMI Response: The total job hours for the disposal of mill chemicals is estimated to be 10 <br /> hours and is provided in Exhibit L. <br /> Portal Closure <br /> 11. DRMS Comment:Provide the dimensions for each steel portal cover structure to be <br /> removed. <br /> OSMI Response: The dimensions for each steep portal cover structure are provided in Exhibit <br /> L. <br /> 12. DRMS Comment: What are the dimensions of the Mill Portal doors? <br /> OSMI Response: The dimensions of the Mill Portal doors are provided in Exhibit L. <br /> 13. DRMS Comment: What equipment will be necessary for removal of portal structures prior <br /> to backji'll? <br /> OSMI Response: The portal doors will either be removed or remain in place to support backfill. <br /> Equipment located on site including track hoe and loaders will be used to remove the portal <br /> structures prior to backfill, including an excavator <br /> 121Page <br />