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2-29 <br />OFFICE COMPLEX <br />During 1989, three trailers were consolidated into an office complex. The <br />location of the offices is shown on Figure 2.2-2. The complex consists of change <br />trailers relocated from McClane and Munger mine benches and one additional <br />trailer. <br />The trailers were placed upon concrete foundations and connected with a <br />hallway. A graveled parking area and sidewalks were also installed. The trees <br />were planted in the spring of 1989 and are cottonwood and junipers located as <br />shown on the landscape plan on Figure 2.2-2. The plan was developed with the <br />assistance of the BLM and may be expanded as necessary. <br />Three 1,250 gallon PVC tanks are buried to provide potable water storage. <br />Potable water is trucked to the mine. A septic sewage system (permitted through <br />the Garfield County Building Department) treats wastewater. <br />During January 2000, a gasoline tank was installed northeast of the office <br />complex in the storage area. The 500 gallon stand mounted tank has a <br />secondary containment which will handle the entire contents of the tank. The <br />location of the tank is presented on Figure 2.2-2. <br />Prior to disturbance of the area, the area was cleared of brush and topsoil <br />was salvaged to a depth of up to 24 inches and placed upon the topsoil stockpile <br />(see Section 2.3 and Figure 4.4-1). The depression created by stripping the <br />topsoil helps to confine all surface water runoff from the area so that it may be <br />routed through a sediment fence (SAE-1). The office complex disturbance is <br />about three fourths of an acre, and the area that lies in the AVF is less than one <br />half an acre. Sediment fences serve as alternate sediment control measures in <br />lieu of a sediment pond. Additional information relative to the office complex is <br />contained in Sections 2.3 and 2.4; as well as Table 2.2-1 and Appendix M. <br />TR-16 Vol. I 10/08 <br />