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31604.DSK <br /> WP-SFO <br /> C. The control panel supplied in this section shall be mounted remotely from I . <br /> the three equipment packages. All wiring and control coordination shall be <br /> the Contractor's responsibility. <br /> D. The complete system, including the three equipment packages and the . <br /> control panel, shall pass a functional acceptance test prior to delivery to the <br /> site. <br /> PART 2 PRODUCTS <br /> 2.1 GENERAL I <br /> A. The vapor extraction system will be used to remove hydrocarbons (from a ` <br /> gasoline spill) from a silty sand to sandy silt soil at a depth of about 70 feet <br /> below ground surface. It is expected that initial hydrocarbon concentrations <br /> will be in the range of several thousand part per million. <br /> B. The vapor extraction system will be operated in conjunction with a <br /> groundwater sparging system and an internal combustion engine system for <br /> off-gas treatment. <br /> C. The vapor extraction system will be located outside in a fenced area and <br /> placed on a concrete pad as shown on the Drawings. <br /> 2.2 MANUFACTURER <br /> A. The vapor extraction system specified herein, and the air sparging package <br /> and off-gas treatment system specified subsequently, shall be the <br /> responsibility of one System Supplier. Like items of equipment shall be the <br /> product of one manufacturer to achieve standardization of performance, <br /> operation, spare parts, and maintenance. The System Supplier shall be a <br /> specialist in this type of work and shall be responsible for fabrication, <br /> delivery, and verifying correct installation and functional testing. <br /> 2.3 DESIGN CONDITIONS <br /> A. The vapor extraction system shall be able to perform the following: <br /> 1. Remove soil vapor from the site at a flow of 75 scfm and at a vacuum <br /> of 10 inches of Hg. <br /> 2. Remove entrained water from the extracted soil vapor with an <br /> air/water separator. <br /> 3. Measure the flow, pressure, and temperature of the extracted soil <br /> vapor at the locations shown on the Drawings. <br /> 4. Automatically shut down and alert the auto-dialer if: <br /> a. Air/water separator liquid level is high. <br /> b. Electrical power is lost. J <br /> 5. The vapor extraction system shall alert the auto-dialer but not shut { <br /> down if the air/water separator is three-fourths full. <br /> I <br /> BAE31604.AS.T1 <br /> 13001 3 VAPOR EXTRACTION SYSTEM <br />