Chabot College
Fall 2003
Course Outline for Design Technology 55
BLUEPRINT READING AND SKETCHING
Catalog Description:
55 - Blueprint Reading and Sketching
2 Units
Orthographic projection, principles of sectioning, functional drawing practices, dimensioning,
sketching, using orthographic and isometric principles, familiarity with specifications, reading of
blueprints, interpretating of commonly-used symbols, interpreting materials lists and bills of
materials, making takeoffs. 1 hour lecture, 3 hours laboratory.
Prerequisite Skills:
None
Expected Outcomes for Students:
Upon completion of the course the student should be able to:
1.
2.
3.
4.
5.
6.
7.
8.
discuss the basic concepts of orthographic projection: how various views are developed,
their positional relationship to each other on a drawing;
analyze an object or an isometric of an object and choose the required views necessary
to accurately describe it: whether one, two, three views, or sectional view;
use standard signs, accepted symbols, drafting conventions according to accepted
practice;
use simple as well as datum dimension practices, either fractional or decimal notation;
sketch various kinds of objects;
"dig out" information from current industrial drawings;
discuss manufacturing practices, shop practices, specifications, materials lists, making of
bills of materials, and accepted procedure for takeoffs;
discuss specialized fields such as architecture, welding, piping, electrical, structural,
sheet metal and cabinet design.
Course Content:
1.
2.
3.
4.
5.
6.
7.
8.
Lettering, alphabet of lines, sketching techniques
Orthographic projection, sectioning, section symbols
Dimension practices, both theoretical and practical
Machine drawing
Welding, theory and practice, welding symbols and their use
Pipe and pipe drawings; pipe symbols
Specialized fields
Interpetation of industrial drawings
Methods of Presentation:
1.
2.
3.
4.
Lectures
Chalkboard demonstration
Class discussions
Individual instruction
Chabot College
Course Outline for Design Technology 55
Blueprint Reading and Sketching
Fall Semester 2003
Page 2
Assignments and Methods of Evaluating Student Progress:
1.
Typical Assignments
a.
Interpret Orthographic Projection drawings
b.
Apply principles of Engineering and Architect Scales
c.
Interpret working drawings in detail
2.
Methods of Evaluating Student Progress
a.
Notebook
b.
Tests
c.
Drawing and blueprint textbook
d.
Final Exam
Textbooks (Typical):
Blueprint Reading and Technical Sketching for Industry, Olivio, T., Delmar Publishing, 1985
Special Student Materials:
1.
2.
hps
Revised Sept 2002
Effective Fall 2003
Cross-sectioned engineering notebook
Combination protractor and scale