TASM-100: Basic Sheet Metal Layout and Fabrication

Business, Entrepreneurship, and Professional Development
Trade & Apprentice Education
Skilled Trade & Apprenticeship
Academic Level
Course Subject
TAE - Sheet Metal
Course Number
Course Title
Basic Sheet Metal Layout and Fabrication
Credit Hours
Instructor Contact Hours Per Semester
47.00 (for 15-week classes)
Student Contact Hours Per Semester
47.00 (for 15-week classes)
Grading Method
TAMA-120 or TAE Apprentice Coordinator/Instructor Permission
Catalog Course Description

Covers layout, forming, and fabrication of basic sheet metal ductwork fittings and use of hand/power tools and equipment needed to accomplish various tasks. Explains how to fabricate square/round sheet metal ductwork, tapers, transitions, offsets, and how to fasten ductwork together.

Goals, Topics, and Objectives

Core Course Topics
  1. Patterns of Pittsburgh seam and “s” or drive cleat.
  2. Fittings.
  3. End caps, plenum, filter box, flexible connections, roof curbs, hood, louvers, access doors, screen frames, drain pans, and drawbands.
  4. Blank sizing, heavy metal, fire dampers, and role of the computer.
  5. Duct system blueprint or drawing, abbreviations, types of systems, air requirements, and duct sizing.
  6. Toolbox.
Core Course Learning Objectives (Separated)
  • Demonstrate allowances for "s", drive clips, and Pittsburgh lock.*
  • Demonstrate the process to make an "s" or drive clips.
  • Demonstrate how to layout sheet metal patterns.*
  • Explain the proper and safe use of all tools and equipment to layout, form, and fabricate ductwork.
  • Demonstrate the proper use of foot/power shear, leaf brake, beading, and crimping machines. 
  • Demonstrate how to make and use standing and grooved seams and safety hems.
  • Explain how to attach sheet metal fittings together through the use of "s"/drive clips, Pittsburgh lock, hammer lock, dove tail and dove tail/beading.*
  • Demonstrate how to make sheet metal gages, rough sketches of fittings and obtain the maximum use of sheet metal with proper layout practices.*
  • Demonstrate how to square a piece of sheet metal.
  • Assessment and Requirements

    Assessment of Academic Achievement

    All students will be required to complete a comprehensive final examination that assesses  the learning of all course objectives. This exam must be weighted in a manner so that this exam score is worth a minimum of 15 percent of the final course grade.  This exam is to be a common exam administered to all sections of TASM 100.


    Texts, handouts, and/or workbooks will be determined by the TAE Department.


    Effective Term
    Fall 2014