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r'1AY-24-1995 13!27 FROM CEOLOG I CAL TECHNICS TO 4646947 P.02 i Super itSystems r - point Drive,Suft IDS•8rea,Carifornia 92621 -(714) 980-9!722 Fax(714)990_9291 May 23, 1995 Mr. Ray Kablanow j Geoiogical Technics 2601 River Road Modesto, CA 95351 proposal#M1185 p Dear Rey: 01 Superior Systems Group, Inc. (SSG) is pleased to present this proposal to fabricate a trailer - - mounted Thermal Utter (TO) for Geologrcal Technics. This unit MI he capable of oxidizing 250 Scfm of vapor with a ,5 second retention time. The TQ wit be fabricated in a standard SSG conjuration. The overall dimensions wit be � approximately 814 8'-6"wide and 13'long, The unci vAll coninin all required cornponeMs including an inlet f terMater separator with 30 gallon c avity, vapor compressor with 220 volt single phase motor with sound enclosure and an UndelwrRer's Laboratories(UL) lasted cordroi panel. Note: If a 4 3 phase compressor motor is required, please contact SSG for pricing. The SSG themlat oxidation burner is specialty designed to enable the system to operate at gull capacity when the oxygen �. content of the fume stream is fess than 8 percent. As tlne site clean-up progresses, this bunter can be adjusted to take full advrarstage of the available oxygen in the fume stream minimWng auxiliary fuel consumption. t ` I Included is a heat exchanger capable of preheating the incoming fumes to Boo F that will reduce fuel consumption by 35 percerd. The heat exchanger is a two-pass, Gross flow shelf and tube design. i3 it SSG thermal units coat be equipped with aM removable catalytic section (Option 1). These wdd'uers can be converted from the themtal mode to catalytic in less than three hours. The primary F advantage of catalytic thermal oAdMioril is the ability to extend cost affective operation when ' process stream Btu concenttrat ns drop below 2500 ppm. The owner/operator can maximum site I operating time theraby minimizing the use of costly carbon filters. When chis system is combined with SSG's heat exchanger, auAallary fuel consumption will be reduced by as much as 80 percent when compared to a standard thermal system. Offered as Opttn 2 is a sparging compressor capable of delivering 80 Scfm Q 20" Hg. SSG control panels feature the West in eE lectronic temperature and flame safeguard controls. Our panels are l_Isted with tate Undo '' Laboratories. All components wilt be enclosed in a i NF-MA 12 enclosure outfitted for outdoor service. The high temperature firnit, temperature � cant xiler, chart recorder and all 'nd'rcatorMlights will be visible through the enclosure door window. The oorrt cls vola Include several indinatorJWgftts to assist operators with system status. SSG wiring 1 practices situp* troubleshooting enabling a► technician to identify a troublesome component { ' w thw leaving the panel. SSG pals are used throughout industry and are considered 4 outstancing examples of engineered functionality. l I ii