Jun 25, 2024  
College Catalog 2021-2022 
College Catalog 2021-2022 [ARCHIVED CATALOG]

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CLCT 1600 - Duct Layout & Fabrication

Credit Hours: 3.00

Prerequisites: None

Sheet metal layout fundamentals and fabrication techniques as applied to cooling, heating and ventilation duct work.

Billable Contact Hours: 4

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Outcome 1: Upon completion of this course, students will be able to safely use sheet metal tools for various fabrications.


  1. Use tin snips correctly to perform cuts to sheet metal without making fishhooks.
  2. Use drafting tools on various drawings according to manufacturers’ literature.
  3. Use an 8 foot brake, 6 foot brake, and pan brake on various projects according to manufacturers’ literature.
  4. Use a 4 foot shear to measure and cut whole sheets of sheet metal according to manufacturers’ literature.
  5. Use an electric Pittsburg machine to form a lock on various fabrications according to manufacturers’ literature.

Outcome 2: Upon completion of this course, students will be able to draw and fabricate various fittings according to a blueprint.


  1. Draw and fabricate a rectangular pipe according to a blueprint.
  2. Draw and fabricate a change joint according to a blueprint.
  3. Draw and fabricate an elbow according to a blueprint.
  4. Draw and fabricate a round taper according to a blueprint.
  5. Draw and fabricate a transition according to a blueprint.
  6. Draw and fabricate a Hess fitting according to a blueprint.
  7. Draw and fabricate Y fittings according to a blueprint.

• Communication: The graduate can communicate effectively for the intended purpose and audience.
• Critical Thinking: The graduate can make informed decisions after analyzing information or evidence related to the issue.
• Global Literacy: The graduate can analyze human behavior or experiences through cultural, social, political, or economic perspectives.
• Information Literacy: The graduate can responsibly use information gathered from a variety of formats in order to complete a task.
• Quantitative Reasoning: The graduate can apply quantitative methods or evidence to solve problems or make judgments.
• Scientific Literacy: The graduate can produce or interpret scientific information presented in a variety of formats.

CDO marked YES apply to this course:
Critical Thinking: YES
Week Lecture

  1. Introduction; General Trade Information; Pattern Development
  2. Methods, Edges, Seams; Rectangular Pipe
  3. Change Joint; Change Joint Ctr. F1
  4. 90 Square Elbow; 90 Offset
  5. 90 Curved Elbow; 45 Curved Elbow
  6. 90 Y-Branch; Angle 2 way Y
  7. 90 1 Way Y; 90 Clinch tee
  8. Straight offset; Transition change joint
  9. Transition change joint; Double offset
  10. 90 Lefthand Hess; 90 Center Hess
  11. 90 Straight Trans E11; Curved offset
  12. Transition offset; 90 Curved Trans E11
  13. 90 One Way Trans Y; 90 Round tee
  14. 45 Round tee; Round 4 piece elbow
  15. Square to Round; Round to Round taper

Primary Faculty
Marlow, Douglas
Secondary Faculty

Associate Dean
Pawlowski, Timothy
Hutchison, Donald

Official Course Syllabus - Macomb Community College, 14500 E 12 Mile Road, Warren, MI 48088

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