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NORTH CENTRAL TEXAS COLLEGE
COURSE SYLLABUS
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Course Title:
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Build Maintenance 1
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Course Prefix & Number:
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CBFM 1311
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Section Number:
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830
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Term Code:
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SP
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Semester Credit Hours:
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3
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Lecture Hours:
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2
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Lab Hours:
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2
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Course Description (NCTC Catalog): Basic principles of residential and commercial maintenance and repair. Emphasis on safety materials and tools.
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Course Prerequisite(s): None
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Course Type: Introductory
o - Academic General Education Course (from Academic Course Guide Manual but not in NCTC Core)
o- Academic NCTC Core Curriculum Course
x- WECM Course
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Name of Instructor:
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Jeremy Carroll
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Campus/Office Location:
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CTC, Gainesville
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Telephone Number:
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940 668 7731 x 4415
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E-mail Address:
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jcarroll@nctc.edu
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Office Hours: Monday 10:10 am – 11:10 am, TWR 4:00 pm – 6:00 pm, Friday 11:00 am – 12:00 pm
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Name of Chair/Coordinator:
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Kenny Smith
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Office Location:
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CTC2110
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Telephone Number:
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940-668-7731, x4426
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E-mail Address:
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ksmith@nctc.edu
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REQUIRED OR RECOMMENDED COURSE MATERIALS
The textbooks are recommended only, they are Fundamental of HVACR and Industrial Maintenance; they are available for purchase at the book store.
GRADING CRITERIA
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# of Graded Course Elements
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Graded Course Elements
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Percentage or Points Values
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7
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Section 1
Chapter 1
Safety
Test over safety
Chapter 2
Tools
Chapter 6
Mechanical Power Transmission
Test over chapter 6
Assignment- Using the Mechanical drive training system. Build a belt driven drive assembly. This will be for a grade.
Chapter 12
Fluid power
Test over chapter 12
Assignment- Using the Hydraulic training system builds a hydraulic circuit. This will be for a grade.
Chapter 11
Pumps and compressors
Test over chapter 11
Assignment- Using the Pump training systems builds circuit using the centrifigicial pump. This will be for a grade.
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Test grades and assignment grades will be averaged together for a final grade for this element.
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8
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Section 1
Unit 1
Introduction to Heating, Ventilation, Air Conditioning and Refrigeration.
Unit 6
Measurement
Test over unit 6
Unit 13
Types of Refrigeration systems
Unit 14 The Refrigeration cycle
Test over Unit 14
Unit 25
Soldering and brazing
Test over unit 26
Assignment- Using the swage tools, swage ¾ inch and 3/8 inch copper.
Assignment – Silver solder copper tubing together and leak test the joint. This will be for a grade.
Unit 33
Basic Electricity
Assignment- Using the electrical training boards in the lab builds a series and parallel circuit.
Assignment- Perform troubleshooting procedure on the electrical training board. This will be for a grade.
Test over unit 33
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Test grades and assignment grades will be averaged together for a final grade for this element. The two elements grades will be averaged together for a final grade for the course.
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END OF COURSE OUTCOMES (WECM)
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Student Learning Outcome: Identify and demonstrate use of measuring devices, explain safety procedures for building maintenance. Identify and use hand and power tools; summarize building maintenance functions; and list materials used in building maintenance.
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GENERAL DESCRIPTION OF SUBJECT MATTER FOR EACH LECTURE/DISCUSSION
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Topic
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General Description of Subject Matter
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Safety
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Understand the importance of personal protective equipment. Demonstrate the proper procedure of lifting. Use lockout and or tag-out when needed. List several general electrical safety practices. Discuss the proper use of safety belts, scaffolds, and ladders. Identify all the organizations that govern the safety of hazardous material. List the classifications of fire and the proper method of extinguishing a fire.
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Tools
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Discuss the importance of inspecting a hand tool. Demonstrate the proper use of various types of hand tools. Discuss the most common types of power tools. Discuss the many safety issues when working with electricity and power tools in general. List the proper and improper use of each power tool that is mentioned. Discuss the importance of inspecting all power tools before and after their use.
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Mechanical Power Transmission
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Discuss the different styles of belts that are used in industry. Discuss the benefits of a positive drive belt. Discuss the benefits of a chain drive system. Discuss the use of gears and gearboxes. Define pitch diameter, circular pitch, pitch line and gear ratio. List the different types of gears. Perform speed calculations for belt drives, gear drives and chain drives.
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Fluid power
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Discuss some fluid power fundamentals. Explain psi,psig,psia, and inches of mercury (Hg). Understand how force is transmitted through a hydraulic system. Understand the effects of compressing air for a fluid power system. Learn how to recognize the different valves that may be used in a fluid power system. List and explain at least eight methods of valve actuation. Discuss the operation of different actuators.
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Pumps and Compressors
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List the types of pumps that are in use today. Explain and calculate the volumetric efficiency. Explain and calculate the delivery of a pump. Discuss some of the common problems that may be encountered while troubleshooting a pump. List the most common types of compressors that are used in industry and explain their operation. Discuss some of the common problems that may be encountered while troubleshooting a compressor.
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Introduction to Heating, Ventilation, Air Conditioning and Refrigeration
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Give a brief history of HVACR; define environmental heating and air conditioning. Give the advantages of freezing foods quickly. Explain the importance of having a clean background. List the furious types of HVACR jobs and explain what they might do. List the HVACR professional organizations.
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Measurements
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List the four physical properties that are commonly measured. List common units used in the inch pound system; explain the basic concept of the SI system. Explain the concept of rate measurement. Calculate the area of a surface, calculate the volume of a space and estimate length and area based on standard building material dimensions.
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Types of Refrigeration systems
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Define refrigeration, list the different types of cooling systems and explain the fundamental principles of evaporative cooling. Explain the basic operation of thermoelectric refrigeration. Explain the fundamental principles behind the compression refrigeration cycle. Discuss the difference betw3een the compression cycle and the absorption cycle.
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The Refrigeration Cycle
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Explain the fundamental principles behind the refrigeration cycle. Identify the four major components of the compression cycle. Name the three main refrigeration system interconnecting lines. Identify where in the refrigeration system the refrigerant is saturated, superheated or sub-cooled. Draw a basic compression refrigeration cycle and identify the pressure, temperature, state, and heat content in and out of each component.
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Soldering and Brazing
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Describe the proper clothing and PPE that must be worn during soldering and brazing. Explain the difference between soldering, brazing, and welding. List types of torches used for soldering and brazing. List safe handling procedures for acetylene cylinders. List safe handling procedures of oxygen cylinders. Explain the correct procedure for brazing; explain the correct procedures for nitrogen brazing.
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Basic Electricity
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Explain how the structure of the atom affects electricity. Discuss the difference between a conductor and an insulator. Explain the difference between direct current and alternating current. List the characteristics of electric current that are commonly measured and the units use to measure them. Explain the relationship of potential current and resistance in an electrical circuit. Discuss the three elements required to make an electrical circuit. Explain the difference between series, parallel and series parallel circuits. Use Ohm’s law and or the power formula to calculate values for volts, amps, ohms, and watts.
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ATTENDANCE POLICY
Regular and punctual attendance is expected of all students in all classes for which they have registered. Students absent (excused or unexcused) for 15% of their classes or more may receive an “F” for the course or maybe dropped from the course .Coming to class last or leaving early will count as ½ of an absence, coming in late or leaving early twice will count as one absence. Class participation assignments and exams will be used to determine regular attendance for online students. A student that is compelled to be absent when a test is given, will petition the instructor, in advance for permission to take the exams given during the course. Required work completed by due dates will not be allowed to be turned in without instructor approval.
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Last day to Withdraw
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For the spring 2017 semester, the last day to withdraw from a course with a “W” is November 9, 2017.
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Student Rights & Responsibilities
NCTC Board policy FLB (Local) Student Rights and Responsibilities states that each student shall be charged with notice and knowledge of the contents and provisions of the rules and regulations concerning student conduct. These rules and regulations are published in the Student Handbook published in conjunction with the College Catalog.
Scholastic Integrity
Scholastic dishonesty shall constitute a violation of college rules and regulations and is punishable as prescribed by Board policies. Scholastic dishonesty shall include, but not be limited to cheating on a test, plagiarism, and collusion. See the Student Handbook for more information.
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STUDENT SUPPORT SERVICES
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Disability Services (OSD)
The Office for Students with Disabilities (OSD) provides accommodations for students who have a documented disability. On the Corinth Campus, go to room 170 or call 940-498-6207. On the Gainesville Campus, go to room 110 or call 940-668-4209. Students on the Bowie, Graham, Flower Mound, and online campuses should call 940-668-4209.
North Central Texas College is on record as being committed to both the spirit and letter of federal equal opportunity legislation, including the Americans with Disabilities Act (ADA) of 1990, ADA Amendments Act of 2009, and Section 504 of the Rehabilitation Act of 1973 (P.L. 93-112). http://www.nctc.edu/StudentServices/SupportServices/Disabilityservices.aspx
Student Success Center
The Student Success Center is designed to help all students at NCTC develop tools to achieve their academic goals. The center links students to FREE tutoring, including a Writing Center, a Math Lab, and free online tutoring in the evening. The program helps students acclimate to college by providing students free interactive workshops. For more information, please visit your nearest Student Success Center.
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Tobacco-Free Campus
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NCTC restricts the use of all tobacco products including cigarettes, cigars, pipes and smokeless tobacco on campus property.
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