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end of the site, except the control building, will be demolished. The slab <br />on grade will be left in place. Most of the existing tanks will be used. <br />The new process building will be erected on the area reserved by Unocal <br />for their plant expansion and will be located against the existing piperack. <br />The two future expansions will extend northeast toward the existing <br />boiler installation. This building will be made up of three segments. The <br />first one towards the north-end will house the dryer and the crystallizer <br />areas. It will be 80 ft wide, 380 ft long and partly 120 ft high and partly 100 <br />ft high. The next segment will house the bicarbonate area. It will be 80 ft <br />wide, 300 ft long and three varying heights, 135 ft, 110 ft and 80 ft high. <br />The third segment will house the bicarbonate packaging area. It will be <br />120 ft wide, 160 ft long and 40 ft high. This new process building will be a <br />braced frame steel structure with concrete foundation and slab on grade. <br />The building will be enclosed with insulated metal siding and flat roof. <br />There will be a new electrical building to the west of the process building. <br />It will be 30 ft wide, 80 ft long and 14 ft high. This building will be of <br />concrete and blockwall type construction. <br />Two dense soda ash product storage silos with the feed conveyor and the <br />material reclaim equipment will be installed south of the new process <br />plant. Two bulk product loadouts will be built on the railroad. <br />The existing in-plant roads will be implemented to access the new <br />installations. The existing fence will be refurbished to conform with the <br />needs of the new operation. <br />Three railroad spur tracks will be built on the former Unocal railroad <br />track that will run for approximately 7 miles to join the Union Pacific <br />railroad system. <br />The existing main sub-station will be refurbished to provide electric <br />power to the Lower Plant. <br />The existing water supply system consisting of the Colorado P.iver water <br />intake, the settling pond by the river and the pumping station at the same <br />location, will become part of the new plant water supply system. The <br />existing inactive water basin and the clean water basin at the eastern end of <br />the plant site will be combined into one process water storage pond. Water <br />from the river will be pumped to this basin. <br />44 <br />