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' Work Plan Pae 13 <br /> Former Manna Pro Site <br /> Project No 207 3 <br /> August 16, 1999 <br /> 5.0 PILOT TESTING SYSTEM INSTALLATION & OPERATION <br />' 5.1 Pilot System Installation <br />' The equipment for the pilot system will be installed once the pilot testing wells and the <br /> ORC boring have been constructed The pilot system will include an Internal <br /> Combustion Engine (ICE) for the extraction and combustion of hydrocarbon containing <br />' vapor from the vapor extraction well and a rotary blower for supplying air to the air <br /> sparge well Given the initial high levels of organic hydrocarbons it was determined that <br /> an ICE would be the most effective method to destroy them Alternatively, two relatively <br />' large (1,000 Ib) carbon units would be needed to remove the expected volume of <br /> hydrocarbons extracted from the well This option is expensive, and was not considered <br /> to be cost effective <br />' 5.1.1 Internal Combustion Engine Installation <br />' The internal combustion engine will consist of a six cylinder, propane powered engine <br /> with a vacuum pump capable of producing approximately 120 cubic feet per minute of air <br /> flow and produce a vacuum of 6 to 8 inches of mercury The ICE will be fueled by two <br /> twenty gallon portable propane tanks The ICE will be connected to the well by a four <br /> inch conductor pipe A four to three inch reducer coupling and three inch conductor pipe <br /> I will extend from the well to the ICE A dilute air ball valve will be installed along the <br /> intake pipe <br />' 5.1.2 Sparge Pump Installation <br /> A sparge pump will be installed adjacent to the air sparge well It will consist of a Roots <br /> type blower attached to a three phase 7 5 horsepower electric motor The blower will be <br /> capable of producing 5-15 SCFM of air flow at the face of the screened interval at the <br /> bottom of the well Thus, the pressure applied at the well head should be between 8 and 9 <br />' pounds per square inch to displace the water in the blank casing The pilot air sparge <br /> pump will be connected to the well by a 2 inch diameter conveyance pipe A two inch <br /> ball valve will be used to regulate pressure inside the well Power will be supplied from <br /> Ithe nearby warehouse building <br /> 5.2 Pilot System Operation <br /> Once the pilot system has be installed the system will be operated for f <br /> p y y p period o <br /> approximately one week The following schedule applies to system operation <br /> 2937 Veneman Ave , #B240 Geo-Phase Environmental Inc Phone (209) 569-0293 <br /> Modesto,CA 95356 Fax(209) 569-0295 <br />