Drafting (DRF) at John Tyler Community College


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DRF 111 - Technical Drafting I
Introduces technical drafting from the fundamentals through advanced drafting practices. Teaches lettering, metric construction, technical sketching, orthographic projection, sections, intersections, development, fasteners, theory and applications of dimensioning and tolerances. Includes pictorial drawing, and preparation of working and detailed drawings. Part I of II.
Lecture 1-2 hours. Laboratory 2-6 hours. Total 3-7 hours per week.
2-3 credits
DRF 112 - Technical Drafting II
Introduces technical drafting from the fundamentals through advanced drafting practices. Teaches lettering, metric construction, technical sketching, orthographic projection, sections, intersections, development, fasteners, theory and applications of dimensioning and tolerances. Includes pictorial drawing, and preparation of working and detailed drawings. Part II of II.
Lecture 1-2 hours. Laboratory 2-6 hours. Total 3-7 hours per week.
2-3 credits
DRF 120 - Introduction to Graphic Representation
Teaches use of instruments, lettering, sketching, and drawing conventions. Emphasizes legible drawings and the value of presentation.
Lecture 1-2 hours. Laboratory 3 hours. Total 4-5 hours per week.
2-3 credits
DRF 128 - Geometric Dimensioning and Tolerancing
Teaches use of a positional tolerance system, its relationship to coordinate tolerance systems, and other aspects of industry standard drafting practices.
Lecture 2-3 hours. Laboratory 0-2 hours. Total 2-4 hours per week.
2-3 credits
DRF 130 - Introduction to Electrical/Electronics Drafting
Teaches applications of drafting procedures with emphasis on working and functional drawings and direct applications to electrical and electronic components and circuits.
Lecture 1 hour. Laboratory 3 hours. Total 4 hours per week.
2 credits
DRF 151 - Engineering Drawing Fundamentals I
Introduces technical drafting from the fundamentals through advanced drafting practices. Includes lettering, geometric construction, technical sketching, orthographic projection, sections, intersections, development, fasteners. Teaches theory and application of dimensioning and tolerances, pictorial drawing, and preparation of drawings. Part I of II.
Lecture 1 hour. Laboratory 4-6 hours. Total 5-7 hours per week.
3 credits
DRF 152 - Engineering Drawing Fundamentals II
Introduces technical drafting from the fundamentals through advanced drafting practices. Includes lettering, geometric construction, technical sketching, orthographic projection, sections, intersections, development, fasteners. Teaches theory and application of dimensioning and tolerances, pictorial drawing, and preparation of drawings. Part II of II.
Lecture 1 hour. Laboratory 4-6 hours. Total 5-7 hours per week.
3 credits
DRF 160 - Machine Blueprint Reading
Introduces interpreting of various blueprints and working drawings. Applies basic principles and techniques such as visualization of an object, orthographic projection, technical sketching and drafting terminology. Requires outside preparation.
Lecture 3 hours per week.
3 credits
DRF 161 - Blueprint Reading I
Teaches the application of basic principles, visualization, orthographic projection, detail of drafting shop processes and terminology, assembly drawings and exploded views. Considers dimensioning, changes and corrections, classes of fits, tolerances and allowances, sections and convention in blueprint reading.
Lecture 0-1 hours. Laboratory 0-3 hours. Total 1-4 hours per week.
1-2 credits
DRF 165 - Architectural Blueprint Reading
Emphasizes reading, understanding and interpreting standard types of architectural drawings including plans, elevation, sections and details.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
DRF 169 - Blueprint Reading for Heavy Construction
Presents material for draftsmen, material estimators, construction workers, superintendents, and others involved in heavy construction. Includes site layout, foundations, reinforced concrete and steel construction, interior finishing and mechanical/electrical systems.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
DRF 175 - Schematics and Mechanical Diagrams
Covers interpretation of basic shop drawings, conventional symbols, common electrical and electronics symbols, wiring diagrams, hydraulic and pneumatic symbols, schematic drawings, and piping diagrams.
Lecture 2 hours per week.
2 credits
DRF 190 - Coordinated Internship
Supervises on-the-job training in selected business, industrial or service firms coordinated by the college.
Credit/practice ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
DRF 195 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
DRF 196 - On-Site Training
Specializes in career orientation and training program without pay in selected businesses and industry, supervised and coordinated by the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
DRF 197 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
DRF 198 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits
DRF 199 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits
DRF 201 - Computer Aided Drafting and Design I
Teaches computer-aided drafting concepts and equipment designed to develop a general understanding of components of a typical CAD system and its operation.
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits
DRF 202 - Computer Aided Drafting and Design II
Teaches production drawings and advanced operations in computer aided drafting.
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits
DRF 231 - Computer Aided Drafting I
Teaches computer aided drafting concepts and equipment designed to develop a general understanding of components and operate a typical CAD system.
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
DRF 232 - Computer Aided Drafting II
Teaches advanced operation in computer aided drafting.
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
DRF 233 - Computer Aided Drafting III
Exposes student to 3-D and modeling. Focuses on proficiency in Production drawing using a CAD system.
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
DRF 241 - Parametric Solid Modeling I-II
Focuses on teaching students the design of parts by parametric solid modeling. Topics covered will include, but not limited to, sketch profiles; geometric and dimensional constraints; 3-D features; model generation by extrusion, revolution and sweep; and the creation of 2-D drawing views that include sections, details and auxiliary. Part I of II.
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits
DRF 260 - Computer Applications for Surveyors and Technicians
Studies and evaluates numerous COGO software and their associated drafting packages. Includes calculations and drafting of traverse adjustment, subdivision, and curves.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
DRF 262 - Computer-Aided-Civil Design and Hydrology
Introduces computer-aided-design for civil/surveying as applied to highway design, site layout, advanced, highway design, hydrology tools, watershed analysis, and pipe sizing.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
DRF 290 - Coordinated Internship
Supervises on-the-job training in selected business, industrial or service firms coordinated by the college.
Credit/practice ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
DRF 295 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
DRF 296 - On-Site Training
Specializes in career orientation and training program without pay in selected businesses and industry, supervised and coordinated by the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
DRF 297 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-6 credits
DRF 298 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits
DRF 299 - Supervised Study
Assigns problems for independent study incorporating previous instruction and supervised by the instructor.
May be repeated for credit. Variable hours.
1-5 credits