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14 <br />5 E UIPMENT DESCRIPTION INSTALLATION AND STARTUP <br />Burlington is proposing to use remediation equipment which has <br />successfully completed remediation of hydrocarbon impacted <br />groundwater and soil at another facility for Rainbo. The air <br />sparging and soil venting equipment is installed in a trailer with <br />all system mechanical and electrical controls included. A Process <br />Flow Schematic is shown in Figure 5 and an Equipment Trailer Plan <br />and Elevation Layout is included in Appendix A. <br />Although the equipment is oversized for the purpose of pilot <br />testing, valving in the trailer will allow flow rates and pressures <br />' required for pilot testing to be obtained. Other advantages of <br />utilizing this equipment includes the following: <br />• the ease of mobilization to the facility; <br />• the equipment has already been purchased by Rainbo, <br />and; <br />• the equipment is anticipated to be appropriately <br />sized for a subsequent full scale remediation <br />system. <br />5.1 Venting Blowers <br />Venting Blowers B--1 and B-2 are Burlington PARTS* Model 1.2410- <br />L prefabricated skid -mounted units. The venting units use <br />' regenerative blowers designed to produce a flow rate of 300 <br />standard cubic feet per minute (SCFM) at 35 inches of water vacuum <br />' each. <br />Each venting unit is equipped with a vapor/liquid separator, <br />vacuum relief valve, exhaust stack flow meter, and all necessary <br />valves and vacuum gauges. <br />The vapor/liquid separator is designed to remove water <br />droplets and particulates from the vapor stream prior to entering <br />the blower. The vacuum relief valve is a safety device to prevent <br />the blower from operating under abnormally high vacuum conditions, <br />which may be caused by a blockage in the piping or vent wells. <br />07/94/1213821125997/REM REPA July 1, 1994 9 26am <br />