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containment will hold a minimum of 400. The totes are heavy plastic containers of <br />approximately 120 gallons each with metal reinforcing on all ;ides. The waste oil will be <br />temporarily stored in the totes inside the container until an approved waste oil fir I sportation <br />company arrives on site to pump out the waste oil and remove it from site. The waste oil totes <br />I I <br />will be present on site at all times and will not be removed. The portable pump will be placed in <br />the tote to remove the oil on an ongoing basis. The sea can will be removed during reclamation <br />since it is portable. No slab or foundation is required and no extra bond cost is needed since the <br />sea can is portable. I <br />Item 4 - Portal Heater <br />A 4.5 million BTU portal heater will be installed immediately above the Revenu i portal to <br />provide heat to the immediate area inby the portal during very cold periods. The heater will be in <br />a metal housing that is 38 ft - 2" long with a 45 inch axial fan integral in the tube! to push the <br />heated air into the portal at the rate of approximately 75,000 c fin. The heater will only be <br />effective for a few hundred feet into the portal but this is all that is needed. It will be attached <br />directly to the side of the portal set structure via a custom duct manifold. <br />The heater will be removed for reclamation. A refurbished pneumatic air /fire door will be <br />I <br />installed at the portal entrance so that all heated air is forced underground. In addition, a passive, <br />fresh air intake "snorkel" will be constructed and installed on the top of the portal 1 set arch to <br />allow additional fresh air to mix with heated air. <br />For worst case reclamation, the fan can be pushed into the portal prior to sealing so there is no <br />real addition to the reclamation bond cost. Of course this would not occur when the mine is <br />actually reclaimed since the heater is valuable and would be I removed and re-use d at another site. <br />The heater is shown on Map C -2. <br />A schematic of the heater is shown on the following page. <br />