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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 McClave and Munger mine benches and one additional 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 trailers have <br />non-reflective exteriors and the complex will be visually screened from Highway 139 <br />with trees. The trees were planted in the spring of 1989 and are cottonwood and <br />junipers located as shown on the landscape plan on Figure 2.2-2. The plan was <br />developed with the 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. Aseptic sewage system (permitted through the <br />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 secondary <br />containment which will handle the entire contents of the tank. The location of the tank <br />is presented on Figure 2.2-2. <br />Prior to disturbance of the area, the area was cleared of brush and topsoil was <br />salvaged to a depth of up to 24 inches and placed upon the topsoil stockpile (see <br />Section 2.3 and Figure 4.4-1 ). The depression created by stripping the topsoil helps to <br />confine all surface water runoff from the area so that it may be routed through two <br />sediment traps (SAE-1 ). The office complex disturbance is about one-third acre. The <br />total area draining to the traps is about one-half acre. Traps shall serve as alternate <br />sediment control measures in lieu of a sediment pond. Additional information relative to <br />the office complex is contained in Sections 2.3 and 2.4; as well as Table 2.2-1 and <br />Appendix M. <br /> <br />Mc Volume 1 1-19-00 <br />