ARCHIVED REPORTS_XR0010336 (2) - Laserfiche WebLink

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. vacuum gauge will be installed at each manway for the control and confirmation of air delivery and pressure Each of the SVE wells will be piped independently to the SVE control manifold The SVE conduits will be constructed utilizing 2-inch Schedule 40 PVC The SVE manifold will include control valves, differential-pressure flow meters, and magnehelic gauges to assist in quantifying the operating parameters for the SVE wells The layout of the AS and SVE piping and conduit is presented on Figure 10 Typical AS and SVE well completion details are presented on Figure 1 i Details of the access manway plumbing for the AS and SVE wells are presented on Figure 12 C. REMEDIATION SYSTEM EQUIPMENT Compressed air for the AS System will be supplied by an oilless rotary vane air compressor(C-101) The compressor will be powered by a totally-enclosed fan-cooled (TEFC) motor and have a capacity in excess of 21 scfm at a delivery pressure of approximately 7 psig A bleed valve will protect C-101 from excessive pressure during operations The outlet of the compressor will be equipped with an aftercooler unit (AC-101) so that excessive heat will not damage the flow and pressure control equipment for the system An inlet particulate filter will protect C-101 from dust and other particulars in the ambient air stream All AS equipment will be mounted on a pre-plumbed and pre- wired steel skid For initial operations, an internal combustion engine (ICE) unit will be utilized to provide the vacuum for the SVE system The ICE unit will have the advantage of having built-in vapor treatment capabilities which will be sufficient for the higher hydrocarbon emissions expected at the outset of SVE operations The unit will have operating and treatment capacities of 120 scfm and 30 lbs/hr, respectively A 500-gallon steel propane tank will be utilize to provide supplemental fuel for the ICE unit The ICE unit will be required for the first 6 to 10 months of SVE operations For budgetary purposes, a median value of 8 months was utilized If hydrocarbon emissions do not dissipate as rapidly as expected, this unit may be required for a longer period of time If propane consumption accelerates prior to the end of 8 months, the ICE unit will be demobilized sooner For long-term operations, vacuum for the SVE System will be supplied by a regenerative blower (C-201) The blower will be powered by an explosion-proof(XP) motor will have a capacity 1n excess of 200 scfin at an operating vacuum of 80 in w c A vacuum relief valve will protect C-201 from excessive vacuum during operations A moisture separator (5-201) will be installed in-line prior to the blower to capture subsurface water entrained in the vapor stream An in-line particulate filter will follow 5-201 All SVE equipment will be mounted on a pre-plumbed and pre-wired steel skid V-3