Page 180 of GayWay Community College Catalog by GateWay Community College Phoenix Arizona

180 Course Descriptions 2005-2006 GateWay Community College Catalog HFA110 Math for Heat and Frost Technology 5 Credits 5 Periods Fundamentals of the metric system. Fundamental operations with whole numbers, common fractions, decimals, percentages and ratios and proportions. Algebraic expressions, operations, powers and roots. Compute measurements of geometric figures. Prerequisites: Registered Apprentice status with the Heat, Frost, and Asbestos Workers Joint Apprenticeship Training Committee (JATC) or permission of the apprenticeship coordinator. HFA115 Fundamental Insulation Skills: Piping I 5 Credits 5 Periods Principles of insulation. Materials and methods of insulation. Insulating straight piping. Application of specific types of insulation. Insulation irregular surfaces. Seal and finish insulated pipe. Prerequisites: Registered Apprentice status with the Heat, Frost, and Asbestos Workers Joint Apprenticeship Training Committee (JATC) or permission of the apprenticeship coordinator. HFA150 Shop Fabrication: Layout and Pattern-making for Insulators I 5 Credits 5 Periods Shop fabrication for the heat, frost and asbestos trades related to insulation. Draw, bisect, trisect, divide and construct geometric linear and curvilinear geometric constructions. Layout and design templates and patterns for tees, valves, flanges, and endcaps. Prerequisites: Registered Apprentice status with the Heat, Frost, and Asbestos Workers Joint Apprenticeship Training Committee (JATC) or permission of the apprenticeship coordinator. HFA215 Fundamental Insulation Skills: Piping II 5 Credits 5 Periods Insulation for piping for cryogenic service. Insulation materials, coverings, finishes, and sealants for underground piping. Measure and cut rigid insulation using hand and table saws. Score block and board. Insulation of vertical and horizontal cylinders, finished heads and finished bodies using wired, bands, pins, stick clips, and washers. Insulate duct work in an air-handling system using fibrous board, duct wrap and flexible sheet. Prerequisites: HFA115. HFA250 Shop Fabrication: Layout and Pattern-making for Insulators II 5 Credits 5 Periods Shop fabrication for the heat, frost and asbestos trades related to insulation. Advanced layout patterns for long and short radius elbows, cones, bevels, and tank heads. Specifications for selecting fittings and structures. Numbers and sizes of miters and gores. Prerequisites: HFA150. HFA260 Blueprints and Firestopping 5 Credits 5 Periods Contents of a set of plans. Major divisions in a set of drawings and title blocks. Bidding requirements, contract forms and conditions of contract. Architects scale. Architectural, isometric, structural, plumbing, electrical, mechanical, and ductwork drawings. Symbols and abbreviations. Heating, Ventilating, and Air Conditioning system operations. Calculate materials for insulation. Firestopping systems, materials, and installation. Prerequisites: Registered Apprentice status with the Heat, Frost, and Asbestos Workers Joint Apprenticeship Training Committee (JATC) or permission of the apprenticeship coordinator. HFA270 Supervision for Foremen 5 Credits 5 Periods Foremans role on the job site. Management and leadership using functional, adaptive and technical skills. Effective supervision and communication skills. Maslows Motivational Theory. Short term motivators. Foreman responsibilities in area of performance and production. Traits and habits of effective leaders Leadership styles and team building. Labor/contractor cooperation. Prerequisites: Registered Apprentice status with the Heat, Frost, and Asbestos Workers Joint Apprenticeship Training Committee (JATC) or permission of the apprenticeship coordinator. HEATING,VENTILATINGANDAIR CONDITIONING(HVA) HVA101 Refrigeration Applications and Components I 2 Credits 2 Periods Major components of refrigeration systems. Properties of refrigerants and piping practices. Prerequisites: None. Corequisites: HVA101LL or permission of instructor. HVA101LL Refrigeration Applications and Components I Lab 1 Credit 3 Periods Servicing refrigeration units. Includes soldering tubing, installing/removing manifold gauge set, evacuating and charging the system. Emphasis on safety. Prerequisites: None. Corequisites: HVA101 or permission of department. HVA103 Refrigeration Applications and Components II 2 Credits 2 Periods Principles of pressure, work, energy, power, matter, internal energy, heat, temperature and the ideal gas processes. Saturated and superheated vapors. Pressure-enthalpy chart and its component parts, vapor compression system, cycle analysis of a single saturated cycle. Actual refrigerating cycles and pressure-enthalpy analysis of chloroflurocarbon (CFC) and hydroflurocarbon (HCFC) replacements. Prerequisites: HVA101. Corequisites: HVA103LL. HVA103LL Refrigeration Applications and Components II Lab 1 Credit 3 Periods Pressure-enthalpy evaluation of operating systems from a simple saturated cycle to actual operating conditions. System performance evaluation including evaporator superheat, adjustments of suction pressure regulators and compressor crankcase pressure regulator, and evaluation of refrigerant piping. Prerequisites: HVA101. Corequisites: HVA103. HVA105 Electricity for Industry 3 Credits 3 Periods Electricity related to industrial applications. Operation of and safety protocols for the use of electrical meters. Electrical loads calculations and evaluation of air conditioning power sources. Single-phase motors, motor resistance and motor terminals. Function of electro-magnetic solenoids and transformers. National Electric Code. Prerequisites: None. Corequisites: ELC/FAC/HVA105LL or permission of instructor. HVA105LL Electricity for Industry Lab 1 Credit 3 Periods Diagramming and assembling series circuits, parallel circuits and wiring relays, thermostats, switches and lights. Electrical readings on compressors. Emphasis on safety. Prerequisites: None. Corequisites: ELC/FAC/HVA105 or permission of instructor.

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