Attachment 20 Tower_submittal.pdf

This is an EVAPCO Equipment Production Order (Confidential) documenting manufacturing specifications for cooling tower equipment ordered by American Combustion. The order, issued October 6, 1999, with a scheduled completion date of November 12, 1999, specifies the production of six pieces of equipment featuring dual tag numbers CT-1, CT-2, CT-1A, CT-1B, CT-2A, and CT-2B.

The equipment includes eight 5-60 PA gallon screens or eight 5-69 PA pressure swing transfer fans; four 132-inch, 7-blade, 380-millimeter fans with 12-degree pitch and RAO 2 11/16 bearing assemblies; and four cadmium-plated fan bushings. The cooling tower units feature 24x36-inch pans with plenum, four 10-inch outlets, and eight 35-inch and 60-inch strainers. The casings contain four 12x18/4-layer configurations with 24 nozzles, filled in four layers with pointed and alternative tips using blocks 107 and 71 in specified quantities. The fan motor specifications include four 60-horsepower units operating at 230-460 volts, 60 hertz, 3-phase at 1800 RPM. Detailed drive configurations include four 6B7.6 and 6B 38.0 (AL) drivers with 13-22SP and 13-222P designations, plus associated bushings and belts. Accessories encompass remote sumps, electric level controls, ladders, jib booms, vibration switches, flange connections, stainless steel components, and steam coils. Remarks specify 10-inch BFN grooved inlets, 10-inch flanged bottoms, external service platforms with ladder and safety cage, three-foot fan cylinder extensions, and ground-polished steel fan shafts with galvanized fan screens and bolt provisions for helicopter lifting equipment.