Self-contained trailer mounted Sparge/Vent unit in 18’ x 8’ Haulmark Trailer w/ ramp door. SVE: Two (2) Rotron Model EN9090BG72WL blowers, direct coupled to 15 HP TEFC 3/60 motor, Sparge: 25 HP TEFC 3/60 motor belt driven Roots-Dresser Model URAI-65 positive displacement blower. All units fitted with silencers mounted on steel sub frames, Model 12A150 air-air Xchanger, Inc. after cooler. thermostat controlled exhaust fan for summer operation, heater for freeze protection Includes aluminum 2” 30-port SVE and 1 ½” 30-port AS manifold. Electrical panels include weatherproof 3-phase primary disconnect and motor controls for remote monitoring thru installed Phonetics 6500 telemetry system.