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in excess of 500 gallons. Hydraulic oil is stored inside the loadout facility in two 100-gallon tanks <br />and one 200-gallon tank. <br />The floor of the trench drain will slope to a sump located at the west end of the drain to allow <br />accumulated fluids to be easily pumped from the trench drain for recycling or disposal. <br />Diethylene Glycol Containment <br />A permanent system for the containment of diethylene glycol has been developed. Diethylene <br />glycol will continue to be stored in two double-walled polyethylene tanks (a 9,000 gallon tank <br />and a 3,000 gallon tank) located west of the loadout building as shown on Drawing 1 in <br />Appendix A. The double-walled tanks provide primary and secondary containment. For <br />protection from possible vandalism, the tanks will be housed in a metal shed style building with <br />a concrete floor. The building details aze shown on Drawing 2 in Appendix A. <br />S As shown on Drawing 2, the minimum dimension of the concrete slab on which the metal shed <br />will be placed is 30ft. x 18ft. If needed, the size of the concrete slab maybe increased two feet in <br />either direction to accorrunodate a standazd metal shed to be provided by the construction <br />contractor. The details call for a minimum two feet cleazance between the roof of the shed and <br />the top of the storage tanks. The details also call for two doors with minimum openings of <br />12.Sft. x 15ft. to be placed on the north side of the building for access to the storage tanks.. <br />To protect the building from moving vehicles, bollazds will be placed along the west and north <br />sides of the building. The bollazds will be 6-inch cast iron pipe filled with concrete and set in the <br />ground with concrete. A section of a bollazd is shown on Drawing 2. <br />Access Road Sediment Control <br />Stormwater runoff from the access road to the loadout facility drains to a ditch along the north side <br />of the access road and enters a storm drain inlet located adjacent to Highway 133. (See Drawing 1 <br />West Elk Mine Train Loadout Environmental /mprovements Shepherd Miller, fnc <br />y:~nsofiepon~epon.aoo 7 July 1997 <br />