Tech Drawing CBC

8/13/2019 Tech Drawing CBC

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Republic of the Philippines

Department of the EducationPUBLIC TECHNICAL-VOCATIONAL

HIGH SCHOOLS


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TABLE OF CONTENTS

TECHNICAL DRAWING I

COURSE DESIGN----------------------------------------------------------------------1

COURSE STRUCTURE ---------------------------------------------------------------2

FREEHAND DRAWING---------------------------------------------------------------5

GEOMETRICAL FIGURES-----------------------------------------------------------11

ORTHOGRAPHIC PROJECTION----------------------------------------------------18PICTORIAL DRAWING----------------------------------------------------------------22

TECHNICAL DRAWING II

COURSE DESIGN---------------------------------------------------------------------26

COURSE STRUCTURE---------------------------------------------------------------27

AUXILIARY DRAWING AND DEVELOPING PATTERNS-------------------------29

WORKING DRAWINGS---------------------------------------------------------------34

ACKNOWLEDGEMENT--------------------------------------------------------------43


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Competency-Based Curriculum for Public Technical-Vocational High SchoolsTechnical Drawing - 1 -

COURSE DESIGN

COURSE TITLE : TECHNICAL DRAWING I

NOMINAL DURATION : 72 HRS

QUALIFICATION LEVEL : N/A

COURSE DESCRIPTION :This course is designed to enhance theknowledge, desirable attitudes and skills ofstudents in accordance with industrystandards. It covers core competenciessuch as: preparing freehand drawing,constructing geometrical figures,orthographic projection, pictorial drawing,and performing shop maintenance. It also

includes competencies in workplacecommunication, team work, safety use ofdrawing tools, and housekeeping.

ENTRY REQUIREMENTS

Students who wish to enroll in the course must:

Have potential/skill as per High School Occupational InterestInventory (HSOII) results.

Possess desirable and healthy attitude towards skill activities.

Have passed interview and aptitude test. Submit the following documents:

- Form 138- Parent consent- Medical certificate issued by a government physician- Certificate of good moral character


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COURSE STRUCTURE:

Unit ofCompetency

Module title Learning Outcome SuggestedNo. ofHours

PrepareFreehandDrawing

1. Preparingfreehand drawing

LO 1. Perform differentlettering stylesand techniques

LO 2. Sketch simpleobjects

LO 3. Perform freehandsketches

18

ConstructGeometricalFigures

2. Constructinggeometrical figures

LO 1. Bisect lines,arcs, circlesand angles

LO 2. Draw regularpolygons

LO 3. Draw regularsolids

18

ConstructOrthographicProjection

3. Constructingorthographicprojection

LO 1. Constructorthographicviews

LO 2. Applygeneral andspecificdimensions

18

ConstructPictorialDrawing

4. Constructingpictorial drawing

LO1. Constructisometricdrawing

LO 2. Constructobliquedrawings

LO 3. Constructperspectivedrawings

18


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COURSE DELIVERY:

1. Self-paced learning2. Demonstration3. Lecture/discussion

4.

Film viewing5. Illustration6. Research

ASSESSMENT METHOD:

Written Test

Direct Observation- checklist

Performance Test- performance scoring rubrics

RESOURCES:

Tools, Equipment and Accessories per student

1. Drawing pencil/Mechanical pencil- HB, 3H, F2. Drawing table- 18 x 20 x 343. Triangles (30X60, 45X45) - 10 inches4. T-square- 24 inch (rotring or steadtler)5. Compassrotring or steadler6. Protractor

7. Sharpener

Learning Materials

1. Module2. Drafting books3. Other related references4. Printed materials

Supplies and Materials

1. Drawing paper2.Tracing paper3. India Ink4. Lead pencil5. Eraser6. Push pins7. Masking tape8. Illustration board- 18 x 209. Rags


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QUALIFICATION OF TEACHERS:

Must be a holder of Technical Drafting NC II.

Must have undergone training on Training Methodology II (TM II).

Must be computer literate.

Must be physically and mentally fit. Must have at least 2 years job/industry experience Must be a civil service eligible or appropriate professional license

issued by the Professional Regulatory Commission(for governmentposition).

Optional: Only when required by hiring institution


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SECTOR : TECHNICAL DRAWING I

UNIT COMPETENCY : PREPARE FREEHANDDRAWING

MODULE TITLE : PREPARING FREEHANDDRAWING

MODULE DESCRIPTION : This module covers theknowledge, skills and desirableattitudes in the preparation offreehand drawing, particularlyon line sketches, simple objects,and lettering

SUGGESTED DURATION : 18 hours

SUMMARY OF LEARNING OUTCOMES:

Upon the completion of this module, you will be able to:

LO 1. PERFORM DIFFERENT LETTERING STYLESAND TECHNIQUES ;

LO 2. SKETCH SIMPLE OBJECTS; and

LO 3. PERFORM SKETCHES.


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LO1. PERFORM DIFFERENT LETTERING STYLES ANDTECHNIQUES

ASSESSMENT CRITERIA

1. Importance of lettering is properly explained.2. Each style of letter is correctly illustrated on commercial standards.3. Care and maintenance of lettering instruments are observed and

practiced.4. Appropriate lettering instruments are properly used.5. Decorative letter styles are creatively done for a particular purpose.

CONTENTS

Importance of lettering

Types of letter styles/font styles

Rule of Stability of letters and numerals

Selection and uses of lettering tools and instruments

Order of strokes (letters and numerals)

Decorative letter style designing

CONDITION

The following resources are needed:

ToolsDrawing pencil-HB, 3H, FSharpener (drafting knife no. inches)

T square- 24 inches ( rotring or steadtler)Drawing Board18x24Speedball Lettering Pen- C-2 and C-3Lettering Brushes -1/4 and inchLettering TemplatesSets of triangles (30 x 60, 45 x 45) - 10 inches

MaterialsDrawing PaperPencil leadEraserMasking Tapes

Learning MaterialsLettering ModulesDrafting/Drawing BooksAssessment tools


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METHODOLOGIES

Lecture/Discussions

Demonstration

Self-paced instruction

ASSESSMENT METHOD

Written/Oral ReportScoring Rubric on Oral and Written Report

Performance Test- Performance Scoring Rubric

Direct Observation-checklist with rating scale


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LO2. SKETCH SIMPLE OBJECTS

ASSESSMENT CRITERIA

1. Principles of sketching objects are properly discussed.

2.

Different shapes of objects are correctly identified.3. All principles of proportion in sketching simple objects based on

commercial standards are explained.4. Procedure in sketching is followed based on standard specification.

CONTENTS

Principles of sketching objects

Basic shapes of objects

Principles of good proportion in sketching simple objects

Procedure in sketching simple objects

CONDITION


ToolsDrawing pencil- HB, 3H, FSharpener (drafting knife no. inches)Drawing Tables-18 x 20 x 34

MaterialsDrawing PaperPencil leadEraserMasking Tapes

Learning MaterialsModulesDrafting/Drawing BooksAssessment tools

METHODOLOGIES

Lecture/Discussions

Demonstration


ASSESSMENT METHOD

Written/Oral ReportScoring Rubric on Oral and Written Report

Performance Test- Performance Scoring Rubric

Direct Observation-checklist with rating scale


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LO3. PERFORM SKETCHES

ASSESSMENT CRITERIA

1. Drawing pencils are selected based on specific job requirements.

2.

Proper care and manipulation of drawing tools, materials andequipment are observed and practiced.

3. Techniques on line exercises are demonstrated according to standardprocedure.

4. Shading techniques are applied in accordance with standardspecification.

5. Pencil rendering techniques are applied making use of appropriatedrawing materials.

6. Creativity on value scale in shading is applied.

CONTENTS

Theories and principles of freehand drawing and sketching

Different drawing tools, equipment and materials

Types of drawing pencil and its grades and uses

Procedures in sharpening a pencil

Proper techniques in performing line exercises

Application of proper value scale shading techniques

Sketching using pencil rendering techniques

Proper care and maintenance of drawing tools and equipment

CONDITION


ToolsDrawing pencil- HB, 3H, FDrawing Tables-18 x 20 x 34

MaterialsDrawing paperEraser

Masking Tape

Learning MaterialsDrafting/Drawing BooksSample VideosLearning ElementsAssessment Tools


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METHODOLOGIES:

Lecture/Discussions

Demonstration

ASSESSMENT METHOD:

Written Test


Performance Test- performance scoring rubrics

Portfolio


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UNIT OF COMPETENCY : CONSTRUCT GEOMETRICALFIGURES

MODULE TITLE : CONSTRUCTINGGEOMETRICAL FIGURES

MODULE DESCRIPTION : This module covers the knowledge,skills and desirable attitudes ingeometrical figures construction suchas bisect lines, arc, circle and angle,draw regular polygons, and regularsolids.

SUGGESTED DURATION : 18 HOURS


Upon completion of this module, you will be able to:

LO 1. BISECT LINES, ARC, CIRCLE AND ANGLE;

LO 2. DRAW REGULAR POLYGONS; and

LO 3. DRAW REGULAR SOLIDS.


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LO1. BISECT LINES, ARC, CIRCLE AND ANGLE

ASSESSMENT CRITERIA

1. Drawing tools and instruments in bisecting lines, angles and arcs are

identified.2. Appropriate steps and procedures are demonstrated in bisecting lines,

arcs, circle and angle.3. Geometric figures are accurately constructed.4. Proper handling of drafting tools and equipment is observed.5. All drafting tools, equipment and materials are well taken care of.

6. Safety work habits are manifested.

CONTENTS

Classification of tools and instruments Steps and procedures in bisecting lines, arcs, circle and angles

Care and maintenance of drawing tools and instruments

Proper handling of drafting tools and equipment

Safety work habits

CONDITION


Tools

T square- 24 inches (rotring or steadtler)Triangles (45 x 45 and 30 x 60)Drawing pencil/Mechanical pencil- HB, 3H, FCompassrotring or steadtlerProtractor

MaterialsDrawing paperPencil LeadEraserMasking Tapes

Learning MaterialsModule draftingDrafting booksAssessment tools


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METHODOLOGIES

Lecture/Discussions

Illustrations

Demonstrations

Self-paced instructions

ASSESSMENT METHOD

Paper Pencil Test- rating scale/score card

Performance test- Performance Scoring Rubric

Direct Observation-Checklist


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LO2. DRAW REGULAR POLYGONS

ASSESSMENT CRITERIA

1. Regular polygons are correctly identified.

2.

Appropriate steps and procedures are demonstrated in drawingregular polygons.

3.Tools and instrument in drawing regular polygons are identified.4. Regular polygons are drawn according to standard specifications.5. All drafting tools, equipment and materials are well taken care of.6. Safety work habits are manifested.

CONTENTS

Kinds of polygons

Classification of tools and instruments

Steps and procedure in drawing regular polygons

Proper handling of drafting tools and equipment

Safety work habits

CONDITION


ToolsT square- 24 inches (rotring or steadtler)

Triangles (45 x 45and 30 x 60)- 10 inchesDrawing pencil/mechanical pencil- HB, 3H, FCompass- rotring or steadtlerProtractor

MaterialsDrawing paperPencil leadEraserMasking Tapes

Learning Materials

Module of draftingDrafting BooksAssessment tools


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METHODOLOGIES

Lecture/Discussions

Illustrations

Demonstrations


ASSESSMENT METHOD





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LO3. DRAW REGULAR SOLIDS

ASSESSMENT CRITERIA

1. Regular solids are correctly identified.

2.Tools and instruments in drawing regular solids are identified.

3. Regular solids are drawn according to exact shape.4. All drafting tools, equipment and materials are well taken care of.5. Safety work habits are manifested.

CONTENTS

Kinds of regular solids

Classification of tools and instruments

Safety work habits

CONDITION


ToolsT square- 24 inches (rotring or steadtler)Triangles (45 x 45and 30 x 60) - 10 inchesDrawing pencil/mechanical pencil- HB, 3H, FCompass- rotring or steadtlerProtractor

MaterialsDrawing paperMechanical Pencil leadEraserMasking Tapes

Learning MaterialsModule of drawingDrawing BooksAssessment tools

METHODOLOGIES

Lecture/Discussions

Illustrations

Demonstrations



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ASSESSMENT METHOD




Portfolio


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UNIT OF COMPETENCY : CONSTRUCT OTHOGRAPHICPROJECTION

MODULE TITLE : CONSTRUCTINGORTHOGRAPHIC PROJECTION

MODULE DESCRIPTION : This module covers the knowledge,skills and desirable attitudesrequired in constructing orthographicprojection. It also involves visualizingorthographic views, and applying

appropriate dimensions techniques.




LO 1. CONSTRUCT ORTHOGRAPHIC VIEWS; and

LO 2. APPLY GENERAL AND SPECIFIC DIMENSIONS.


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LO1. CONSTRUCT ORTHOGRAPHIC VIEWS

ASSESSMENT CRITERIA

1. Principles of orthographic projection are explained and discussed.

2. Projection of principal views is clearly demonstrated.3. Principal views are accurately developed based on

given pictorial.4. Supplying missing lines is accurately illustrated.5. Proper manipulation of drafting tools and equipment is perfomed.6. Safety work habits are practiced.

CONTENTS

Methods of shapes representation

Space dimensions

Principles in constructing orthographic views Development of orthographic drawing with regular and irregular

shapes

CONDITION


ToolsT square- 24 inches (rotring or steadtler)Triangles (45x45and 30x 60)- 10 inchesMechanical pencil- HB, 3H, FCompass- rotring or steadtlerProtractorDrawing Table- 18 x 24 x 34

MaterialsDrawing paperPencil leadMasking tapeEraser

Learning MaterialsModuleDrafting books

METHODOLOGIES

Lecture/Discussion

Demonstration

Research


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ASSESSMENT METHOD

Paper pencil test

Performance test

Direct Observation

Portfolio Written/Oral report


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LO2. SUPPLY GENERAL AND SPECIFIC DIMENSIONS

ASSESSMENT CRITERIA

1. Measurements are correctly converted from English to Metric.

2. Dimensioning is manually/Computer Aided Instruction (CAI) -supplied on orthographic and isometric drawing in accordance withstandard specifications.

3. All dimensions using notation on special features of object aresupplied accordingly.

CONTENTS

System of measurements

Conversion of measurements

Different rules in dimensioning

Standard dimensions on orthographic drawings both planned andsupplied

Computation for the dimensions on pictorial drawings

Dimensions using notation on special features of object

CONDITION


Tools

T square- 24 inches (rotring or steadtler)

Triangle( 45 x 45, 30 x 60)10 inches Mechanical pencil- HB, 3H, F

Materials Drawing paper

Masking tape Eraser

Learning Materials Modules Drafting books

METHODOLOGIES

Lecture/Discussion

Demonstration/Illustration

ASSESSMENT METHOD

Written Test

Performance Test

Observation


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UNIT OF COMPETENCY : CONSTRUCT PICTORIALDRAWING

MODULE TITLE : CONSTRUCTINGPICTORIAL DRAWING

MODULE DESCRIPTION : This module covers the knowledge,skills and desirable attitudesrequired in constructing pictorialdrawings. It also involvesvisualizing and applyingappropriate proportioningtechniques.



Upon completion of this module you will be able to:

LO 1. CONSTRUCT ISOMETRIC DRAWING;

LO 2. CONSTRUCT OBLIQUE DRAWINGS; and

LO 3. CONSTRUCT PERSPECTIVE DRAWINGS.


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LO1. CONSTRUCT ISOMETRIC DRAWING

ASSESSMENT CRITERIA

1.The three divisions of axonometric are identified and discussed.

2. All principles of isometric drawing are properly discussed.3. Procedure in constructing isometric drawing is followed according

to standard specifications.4. Ellipse figure is accurately drawn in the form of isometric view.

CONTENTS

Principles of axonometric drawing

Three divisions of axonometric drawing

Principles of isometric, diametric and trimetric.

Steps in constructing isometric drawing

Principles of ellipse drawing

Procedure in constructing ellipse figure

CONDITION


Tools T square- 24 inches (rotring or steadtler)

Triangle (30 x 60)- 10 inches Pencil/Mechanical pencil- HB, 3H, F

Materials

Drawing paper Masking tape Eraser

Learning Materials Modules

Drafting books

METHODOLOGIES

Lecture/Discussions

Discussions

Demonstration/Illustration

ASSESSMENT METHOD

Written Test

Performance Test

Observation


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LO2. CONSTRUCT OBLIQUE DRAWINGS

ASSESSMENT CRITERIA

1.

Principle of oblique drawing is thoroughly discussed.2.Two types of oblique drawing are identified.3. Steps in constructing oblique drawing are demonstrated according to

standard specifications.

4. Each type of oblique drawing is accurately constructed.

CONTENTS

Principles of oblique drawing

Two types of oblique drawing

Steps in constructing oblique drawing (cabinet and oblique)

CONDITION


Tools

T square- 24 inches (rotring or steadtler)

Triangle (45 x 45)- 10 inches Pencil/Mechanical pencil- HB, 3H, F

Materials

Drawing paper Masking tape

Eraser

Learning Materials

Modules

Drafting books

METHODOLOGIES

Lecture/Discussions

Demonstration

Workshop

ASSESSMENT METHOD

Written Test

Performance Test with Scoring Rubrics

Observation


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LO3. CONSTRUCT PERSPECTIVE DRAWING

ASSESSMENT CRITERIA

1.

Principles of perspective drawing are discussed.2.Three types of perspective drawing are identified and differentiated.3. Each type of perspective drawing is constructed according to

specifications.

CONTENTS

Principles of perspective drawing

Three types of perspective drawing

Theory of one point perspective, two point, three points perspective

Steps in constructing perspective drawing

CONDITION


Tools T square- 24 inches (rotring or steadler) Triangle (45 x 45) (30x 60)- 10 inches Pencil/Mechanical pencil- HB, 3H, F

Materials Drawing paper Masking tape Eraser

Learning Materials Modules Drafting books

METHODOLOGIES

Lecture/Discussions

Demonstration

Workshop

ASSESSMENT METHOD

Written Test

Performance Test

Observation


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COURSE DESIGN

COURSE TITLE : TECHNICAL DRAWING II

NOMINAL DURATION : 72 HRS.

QUALIFICATION LEVEL : N/A

COURSE DESCRIPTION : This course is designed toenhance the knowledge,desirable attitudes and skills ofstudents in accordance withindustry standards. It coverscore competencies such as:constructing auxiliary drawing,

section drawing anddeveloping patterns andpreparing applied workingdrawing for specific trade areas.It includes competencies inworkplace communication, teamwork safety, use of drawing tools,and house keeping.

ENTRY REQUIREMENTS:

Students who wish to enroll in the course must:

Have potential/skill as per High School Occupational InterestInventory (HSO II) result.

Possess desirable and healthy attitude towards skills activities

Have passed interview and aptitude test

Submit the following:

- Form 138- Parent consent-

Medical Certificate issued by a government physician- Certificate of good moral character


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COURSE STRUCTURE

Unit ofCompetency Module Title Learning Outcome No. ofHours

ConstructAuxiliaryDrawing andDevelopPatterns forProductsPackages

1. ConstructingAuxiliary Drawingand DevelopingPatterns

LO 1. Construct primaryauxiliary drawing

LO 2. Develop patternsfor products packages

36

PrepareWorkingDrawing

2. PreparingWorking Drawing

LO 1. Construct sectionaldrawing

LO 2. Construct detaileddrawing

LO 3. Construct assemblydrawings

LO 4. Supply notes andSpecifications

36

Note: It is suggested that each module be used within two gradingperiods.

COURSE DELIVERY:

Self-paced learning

Demonstration

Lecture/Discussion Film Viewing

Illustration

Research

ASSESSMENT METHOD:

Paper pencil test- rating scale

Direct observation-checklist

Written/Oral report- performance rubrics on written and oral

report Performance test


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RESOURCES:

Tools, Equipment and Accessories per student

Drawing Pencil/Mechanical Pencil- HB, 3H, F

Drawing Table - 18x 24 x 34

Triangles (30 x 60, 45 x 45 )- 10 inches

T square- 24inches (rotring or steadtler)

Compass- rotring or steadtler

Protractor

Sharpener ( drafting knife no. inch)

Lettering templates

Triangular Scale (metric)

Learning Materials

Module

Drafting Books

Other related printed materials

Supplies and Materials

Drawing paper

Tracing paper

India Ink Lead Pencil

Eraser

Push pins

Masking Tape

Illustration Board- 18 x 20

Rags

QUALIFICATIONS OF TEACHER:

Must be a holder of Technical DraftingNC II.

Must have undergone training of Training Methodology II (TM II). Must be computer literate.

Must be physically and mentally fit.

Must have at least 2 years job/industry experience.

Must be a civil service eligible or appropriate professional licenseissued by the Professional Regulatory Commission (for governmentposition).

Optional: Only when required by hiring institution


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SECTOR : TECHNICAL DRAWING II

UNIT OF COMPETENCY : CONSTRUCT AUXILIARYDRAWING AND DEVELOP

PATTERNS FOR PRODUCTSPACKAGES

MODULE TITLE : CONSTRUCTING AUXILIARYDRAWING AND DEVELOPINGPATTERNS

MODULE DESCRIPTION : This module covers the knowledge,skills and desirable attitudesrequired in constructingauxiliary drawing of irregular

objects as well as developingpatterns for product packages.The module discusses the theoriesand practices in performing the

specified type of working drawing.




LO 1. CONSTRUCT PRIMARY AUXILIARY DRAWING;

LO 2. CONSTRUCT SECONDARY AUXILIARY DRAWING; and

LO 3. DEVELOP PATTERNS FOR PRODUCT PACKAGES.


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LO1. CONSTRUCT PRIMARY AUXILIARY DRAWING

ASSESSMENT CRITERIA

1.The principles of auxiliary drawing are discussed.

2.Two types of auxiliary drawing are identified.3. Procedures in constructing the auxiliary drawing are correctly

discussed.

4. Auxiliary drawings are demonstrated according to specifications.

CONTENTS

The principles of auxiliary drawing.

The inclined surfaces

The three auxiliary drawing

References planes Partial drawing

Angles

Procedures in constructing primary auxiliary drawing

CONDITION



Drawing table (18 x 24 x 36)Triangles (45 x 45 and 30 x 60) - 10 inchesPencils/Mechanical pencil- HB, 3H, F

Technical pens- 0.2, 0.4 and 0.6Drafting knife- inchCircular/Elliptical templates

MaterialsDrawing paperMasking tapePencil lead

India InkEraser

Learning MaterialsModulesDrafting BooksSet of assessment rubrics


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METHODOLOGIES

Lecture/Discussion

Demonstration


ASSESSMENT METHOD

Paper and Pencil test- rating scale

Direct observation- checklist

Written/Oral report- Rubrics on written and oral report

Performance TestPerformance Rubrics


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LO2. DEVELOP PATTERNS FOR PRODUCT PACKAGES

ASSESSMENT CRITERIA

1.The principles of pattern development are discussed.

2.The three methods in making patterns are identified anddiscussed.

3.Three methods of drawing patterns are demonstrated according tostandard specifications.

CONTENTS

Principles of pattern development

Three methods of making pattern -parallel line, radial line, andtriangular line method

Procedure in pattern development

CONDITION


ToolsT square- 24 inches (rotring or steadtler)Drawing table (18 x 24 x 34)

Triangles (45 x 45 and 30 x 60)- 10 inchesPencils/Mechanical pencil- HB, 3H, F

Technical pen- 0.2, 0.4 and 0.6Drafting knife/NT CutterLettering templatesCircular/Elliptical TemplatesCompassFrench CurvesProtractor

MaterialsCartolina/Bristol Board (optional)Masking tapePencil leadEraserGlue

Learning MaterialsModulesDrafting BooksSet of assessment rubrics


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METHODOLOGIES:

Lecture/Discussion

Demonstration


ASSESSMENT METHOD:

Paper and pencil test- rating scale


Written/Oral report- Rubrics on written and oral report

Performance testPerformance Rubric


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SECTOR : TECHNICAL DRAWING II

UNIT OF COMPETENCY : PREPARE WORKINGDRAWING

MODULE TITLE : PREPARINGWORKING DRAWING

MODULE DESCRIPTION : This module discusses theknowledge, skills and desirableattitudes required in preparingworking drawing for specifictrade area. This covers sectionaldrawing, detailed drawing, andassembly drawing as well as

the preparation of notes andspecifications of a project.


SUMMARY OF LEARNING OUTCOMES

Upon completion of this module you will be able to:

LO 1. CONSTRUCT SECTIONAL VIEWS;

LO 2. CONSTRUCT DETAILED DRAWING;

LO 3. CONSTRUCT ASSEMBLY DRAWING; and

LO 4. PREPARE NOTES AND SPECIFICATION OF WORKINGDRAWINGS.


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LO1. CONSTRUCT SECTIONAL DRAWING

ASSESSMENT CRITERIA

1.

Principles of section drawing are thoroughly discussed.2.Types of section drawing are identified and differentiated.3. Steps in constructing sectional drawing are properly

demonstrated.

4. Sectional drawings are constructed according to specifiedprocedure.

CONTENTS

Principles of section drawing

Types of section drawing such as: half section, full section,

broken-out sections, revolved sections, removed sections, offsetsection and assembly sections

Steps in constructing section drawings

Construction of six sectional drawings

CONDITION



Drawing Board(18 x 24 x 34)Triangles (45 x 45 and 30 x 60) - 10 inchesCompass- rotring or steadtlerPencils/Mechanical pencil- HB, 3H, F

Triangular Scale (metric)Drafting knife no. inchFrench Curves/Flex CurveCircular/Elliptical Templates (optional)

MaterialsDrawing paper

Masking tapePencil leadEraser

Learning MaterialsModulesDrafting BooksPrinted Materials/DiagramsDownloadable lectures and pictures


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METHODOLOGIES:

Lecture/Discussion using CAI

Demonstration (manual/using CAD)

Research Self-paced instruction

ASSESSMENT METHOD:



Written/Oral report-Rubrics on Written and oral report

Performance TestPerformance Rubrics


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LO2. CONSTRUCT DETAILED DRAWING

ASSESSMENT CRITERIA

1.

Principles in detailed drawing are explained.2. Required tools, materials, and instruments for specific job are

identified/selected.3. Steps in constructing detailed drawing are demonstrated.

4. Sample detailed drawings are constructed in accordance withstandard specifications.

CONTENTS

Principles of detailed drawing

Procedure in constructing detailed drawing

CONDITION


ToolsT square- 24 inches (rotring or steadler)Drawing Table (18 x 24 x 34)

Triangles (45 x 45 and 30 x 60)- 10 inchesCompass- rotring or steadtlerPencils/Mechanical pencil- HB, 3H, F

Triangular Scale (metric)Drafting knife no.1/2 inchFrench Curves/Flex CurveCircular/Elliptical Templates (optional)

MaterialsDrawing paperMasking tapePencil leadEraser

Learning Materials

ModulesDrafting BooksPrinted Materials/DiagramsDownloadable lectures and picturesSet of assessment rubrics


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METHODOLOGIES

Lecture/Discussion using Computer-aided Instruction (CAI)

Demonstration (manual/using Computer-aided Drafting Design

(CADD) Research


ASSESSMENT METHOD



Written/Oral report- Rubrics on Written and oral report

Performance TestPerformance Scoring Rubrics


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LO3. CONSTRUCT ASSEMBLY DRAWING

ASSESSMENT CRITERIA

1.

Principles involved in assembly drawing are explained.2. Required tools, materials, and instruments for specific job are

properly selected.3. Steps in constructing assembly drawing are properly

demonstrated.

CONTENTS

Principles of assembly drawing

Procedure in constructing assembly drawing

Tools, materials and instruments needed in assembly drawing

CONDITION


ToolsT square- 24 inches (rotring or steadtler)Drawing Table (18 x 24 x 34)

Triangles (45 x 45 and 30 x 60)- 10 inchesCompass- rotring or steadtlerPencils/Mechanical pencil- HB, 3H, F

Triangular Scale (metric)Drafting knife no. inchFrench Curves/Flex CurveCircular/Elliptical Templates (optional)


Learning MaterialsModulesDrafting BooksPrinted Materials/DiagramsDownloadable lectures and picturesSet of assessment rubrics

METHODOLOGIES


Demonstration (manual/using Computer-aided Drafting Design(CADD)

Research



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ASSESSMENT METHOD



Written/Oral report- Rubrics on Written and oral report Performance TestPerformance Scoring Rubric


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LO4. PREPARE NOTES AND SPECIFICATION OF WORKINGDRAWINGS

ASSESSMENT CRITERIA

1. Principles and importance of notes and specifications are properlydiscussed.

2. Standard procedure in preparing notes and specifications on theworking drawing are observed and practiced.

3. Elements in preparing notes and specifications are identified anddescribed.

4. Procedure in preparing notes and specifications on the workingdrawing based on standard procedures are properly demonstrated.

CONTENTS

Principles and importance of notes and specifications

Standards procedure in preparing notes and specifications

Elements to be considered in preparing notes and specifications

CONDITION


ToolsT square-24 inches (rotring or steadtler)

Drawing Table (18 x 24 x34)Triangles (45 x 45 and 30 x 60)-10 inchesCompass- rotring or steadtlerPencils/Mechanical pencil- HB, 3H, FDrafting knife no. inch


Learning MaterialsModulesDrafting BooksSample of notes and specificationsSet of assessment rubrics


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METHODOLOGIES


Demonstration (manual/using Computer-aided Drafting Design-

(CADD) Workshop according to area of specialization


ASSESSMENT METHOD



Written/Oral report- Rubrics on Written and oral report

Performance Test- Performance scoring rubrics


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ACKNOWLEDGEMENT

The Department of Education (DepED), Central Office through theTechnical-Vocational Task Force, wishes to extend its gratitude andappreciation to the Technical Education and Skills Development

Authority (TESDA) and all the curriculum writers for sharing their timeand expertise in the development of a Competency-Based Curriculum forStrengthening Technical Vocational Program of the country.

Writers:

MARIO S. GREGORIO, Ed.D.Tagum National Trade SchoolTagum City, Davao del Norte, Region XI

PERLITO B. DOMINGO

Reina Mercedes Vocational and Industrial SchoolReina Mercedes, Isabela , Region II

ARIEL F. MAGLALANGAssemblywoman Felicita G. BernardinoMemorial Trade School Lias, Marilao, Bulacan, Region III

HELEN N. FLORASan Francisco High SchoolQuezon City, NCR

PERCIVAL M. ANDRADESan Jose National High SchoolAntipolo City, Region IV-A

CHONA C. BUNDOCMuntinlupa Business High SchoolMuntinlupa City, NCR

ARLENE V. TOBIASMabalacat Technical High School

Mabalacat, Pampanga

Facilitators:

REYNALDO S. DANTES AIDA T. GALURATESDA, Quezon City, NCR Angeles City National Trade School

Sunset Valley, Angeles City

ORLANDO E. MANUEL Ph.D.Cabarroguis National School of Arts and Trades

Documents

Tech Drawing CBC