Technical DRAWING SCHOOL-based assessment booklet-guide

TECHNICAL DRAWING

SCHOOL-BASED ASSESSMENT

BOOKLET-GUIDE

Your Technical Drawing School-Based Assessment (SBA) constitutes 40% of

your final CSEC mark. You are obliged to complete all given questions which

will be kept in your portfolio for assessment.

The total possible mark for your SBA is 120

BUILDING/TD

DEPARTMENT

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TECHNICAL DRAWING SCHOOL-BASED ASSESSMENT BOOKLET-GUIDE

A. C. JACK BADAL

TABLE OF CONTENTS

1 Fundamentals of Technical Drawing.......................................................................................................... 4

1.1 OCCUPATIONAL HEALTH, SAFETY AND THE ENVIRONMENT .............................. 4

1.1.1 Question 1 .................................................................................................................................... 4

1.1.2 Question 2 .................................................................................................................................... 4

1.1.3 Question 3 .................................................................................................................................... 4

1.2 EQUIPMENT, TOOLS, MATERIALS, LETTERING, LINE WORK, DIMENSIONS

AND SCALES .................................................................................................................................................... 5

1.2.1 Question 4 .................................................................................................................................... 5

1.2.2 Question 5 .................................................................................................................................... 5

2 GEOMETRICAL CONSTRUCTION ..................................................................................................... 6

2.1 Plane Geometry .................................................................................................................................... 6

2.1.1 Question 6 .................................................................................................................................... 6

2.1.2 Question 7 .................................................................................................................................... 6

2.1.3 Question 8 .................................................................................................................................... 7

2.2 Solid Geometry ..................................................................................................................................... 8

2.2.1 Question 9 .................................................................................................................................... 8

2.2.2 Question 10 .................................................................................................................................. 9

2.2.3 Question 11 ................................................................................................................................ 10

3 BUILDING DRAWING ................................................................................................................................ 11

3.1 Building Drawing ................................................................................................................................ 11

3.1.1 Question 12 ................................................................................................................................ 11

4 Mechanical Engineering Drawing ............................................................................................................. 13

4.1 Assembly Drawing ............................................................................................................................. 13

4.1.1 Question 13 ................................................................................................................................ 13

5 Appendices.................................................................................................................................................... 13

5.1.1 INCIDENT/ACCIDENT REPORT FORM ..................................................................... 15

5.1.2 TECHNICAL DRAWING SBA WORKSHOP VISIT .................................................... 17

5.1.3 TECHNICAL DRAWING ABBREVIATIONS, CONVENTIONS AND

SYMBOLS .................................................................................................................................................... 19

5.1.4 Appendix 4 – PORTFOLIO COVER .................................................................................. 22

5.1.5 Appendix 5 - COVER SHEET AND SECTION SHEETS FOR SBA ......................... 25

5.1.6 Appendix 6 – BUSINESS PLAN ........................................................................................... 31

5.1.7 Appendix 7 – SECTION SEPARATORS FOR PORTFOLIO ...................................... 39

5.1.8 Appendix 8 - PROJECT CATEGORY ........................... Error! Bookmark not defined.

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5.1.9 Appendix 9 - TECHNICAL DRAWING DIGITAL SBA PORTFOLIO

INSTRUCTIONS ....................................................................................................................................... 44

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1 FUNDAMENTALS OF TECHNICAL DRAWING

Notes: All written papers must be double-spaced using 12pts, Times New Roman text.

1.1 OCCUPATIONAL HEALTH, SAFETY AND THE

ENVIRONMENT

1.1.1 Question 1

The quick and safe extinguishing of a fire can save lives and avoid damage to valuable property.

a) Give a brief explanation on 3 types of fires that can occur in the home or office.

b) Using pictures and graphics outline the procedure for safely using a fire extinguisher in the

home or office for the smothering of fires.

1.1.2 Question 2

a) Complete an accident report form for your teacher on an incident which occurred in the

workshop whereby your classmate got injured while cutting a piece of wood.

(or given scenario in grouping -Auto/Electrical/MET) see (Appendix 1) for accident report

form

1.1.3 Question 3

a) Working in groups of 4 make a visit to any of the workshop in the technical vocational

area and based on your interaction with the teacher/s or attendant, fill out the checklist on

the safety, health and welfare standards practiced in the workshop.

b) State at least 2 recommendations for improvement to any safety, health and welfare

deficiencies found/observed.

c) see (Appendix 2) for checklist

You must include the following information in your paper.

Names of the persons in group

Name of the workshop visited

Name of person you interactive with teacher or attendant

Photographic evidence of visit

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1.2 EQUIPMENT, TOOLS, MATERIALS, LETTERING, LINE

WORK, DIMENSIONS AND SCALES

1.2.1 Question 4

Develop a presentation explaining how the following equipment and tools, drawing instruments

and drawing materials are used for technical drawings: (use a table with illustrations/pictures and

written explanation):

Equipment and tools:

T-squares

set squares

computers, plotters

and printers

Drawing instruments:

compasses

dividers

French curves

scales

Drawing materials:

drafting paper

tracing paper

ink and toners for printers

1.2.2 Question 5

a) The list shows common abbreviations, conventions and symbols used in technical drawing.

State the FULL NAME for each of the abbreviated word, convention or symbol given. See

(Appendix 3) for list

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2 GEOMETRICAL CONSTRUCTION

2.1 PLANE GEOMETRY General instructions for Plane Geometry

1. Write the question number to each solution on the drawing sheet.

2. Write a short statement on each question

3. Answer one question per drawing sheet.

4. Clearly show all construction lines.

2.1.1 Question 6

Figure 1 shows a plane regular polygon of sides 55 mm with an external angle of 72 degrees.

a) Construct the plane figure and state its name.

b) Convert the given plane figure to a square of equal area.

Figure 1

2.1.2 Question 7

Figure 2 below shows a right-angled triangle with hypotenuse AC = 78mm and angle CAB = 39O.

a) Construct the given triangle.

b) Construct the largest inscribed circle possible to the triangle

Figure 2

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2.1.3 Question 8

Figure 3 shows the outline of a simple machine part.

a) Draw the elevation showing construction for obtaining all points of tangency.

b) Dimension the drawing.

Figure 3

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2.2 SOLID GEOMETRY General instructions for Solid Geometry

1. Write the question number to each solution on the drawing sheet.

2. Write a short statement on each question

3. Answer one question per drawing sheet.

4. Clearly show all projection lines.

5. Show the symbol for the method of orthographic projection used on all solutions.

2.2.1 Question 9

Figure 4 shows two views of a small archway in first angle orthographic projection. Draw the following

pictorial views of the archway:

a) An isometric view.

b) An oblique cabinet view.

Figure 4

Each of these pictorial drawings must be placed on separate drawing sheets.

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2.2.2 Question 10

Figure 5 shows the views of a hexagonal duct. Draw, to a scale 1:10, the following

a) The given views

b) The surface development opened at the seam X-X.

c) Label the views drawn

Figure 5

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2.2.3 Question 11

Figure 6 shows an isometric drawing of a bracket. Draw the following views of the bracket in either

first or third angle orthographic projection:

a) The front elevation seen from direction of arrow A

b) The left elevation

c) The plan

All fillet radii are 3mm.

Label the views and show the symbol for the method of orthographic projection used.

Figure 6

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3 BUILDING DRAWING

3.1 BUILDING DRAWING

3.1.1 Question 12

Often, prospective homeowners, especially first-time homeowners who wants to have their dream

home use plans from magazines to show the architect what they want. However, these are usually

foreign designs that may not be best suited for local standards.

a) Redesign and add to the plan shown above so that it may meet your clients’ approval to

include what is outlined in the conditions

b) Prepare a Design Document to include the following headings:

(i) PROBLEM STATEMENT

Assuming you have interviewed your new client, who have provided you with the plan

shown above as an example of his/her ideas for a new home. Develop a sentence

describing what problems you have observed and how your design will solve these

problems.

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(ii) CONDITIONS

The design must conform to the regulations of local relevant approval agencies in

Trinidad and Tobago, for example, Town and Country Planning. The design must

maintain some of the characteristic of the plan provided by the client be 750mm off the

ground and include two bedrooms, a bathroom, kitchen, dining, living, laundry, study,

porch and carport with a hip/gable combination roof. (these rooms can be added to the

layout)

The client has also provided a cadastral sheet showing several plots of land, the client

owns the rectangular plot labeled 4f comprising 565.4 square meters see (Appendix 4)

for cadastral sheet

(iii) JUSTIFICATION OF DESIGN

Make preliminary sketches of your design solution and keep them in your portfolio. Write

a statement explaining why you chose the design you will present as your final solution to

the client.

(iv) BUSINESS PLAN

You are required to assume a company name which reflects a design/build service.

Prepare a document which may be used to source funding for your company to design

and build the residential unit. See (Appendix 7) for business plan template

c) You are required to submit the following drawings of your final design together with the

design documentation and the business plan.

Using an appropriate scale to include;

(i) A SITE PLAN

(ii) A FOUNDATION PLAN

(iii) A ROOF PLAN

(iv) A GROUND FLOOR PLAN

(v) TWO ELEVATIONS

(vi) A SECTIONAL FRONT ELEVATION

d) Detail drawings to include:

(i) A footing detail -Scale 1:10

(ii) A roof apex detail-Scale 1:10

(iii) A roof anchorage detail-Scale 1:10

(iv) A lintel detail-Scale 1:5

(v) A surface drain detail-Scale 1:10

NOTE: All measurements must be in millimeters.

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4 MECHANICAL ENGINEERING DRAWING

4.1 ASSEMBLY DRAWING (DESIGN OR REDESIGN)

4.1.1 Question 13

A Pipe Vice is a plumbing tool used to hold pipe or tubing securely so that it can be cut or threaded.

Pipe vices are also useful for pipe welding. In a manufacturing environment a pipe vice is a critical

piece of apparatus in the assembly of pipe components.

From the given examples in the pictures, design a pipe vice and complete the project as outlined

below:

a) Prepare a Design Document to include the following headings:

(i) PROBLEM STATEMENT

Assuming you have observed a plumber using a bench vice to hold a pipe to thread it,

develop a sentence describing what problems you observed and how the pipe vice will

solve the problems you have observed.

(ii) CONDITIONS

The pipe vice must be able to hold pipes between 12mm and 40mm in diameter for

threading short pieces of pipe on a tabletop. It must be designed to be bolted to the table.

The device shall not be designed to operate using any electrical or electronic means.

(iii) JUSTIFICATION OF DESIGN

Make preliminary sketches of your design solution and keep them in your portfolio. Write

a statement explaining why you chose the design you will present as your final solution to

the problem.

(iv) BUSINESS PLAN

Prepare a document which may be used to source funding to produce the designed device.

See (Appendix 7) for business plan template

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b) You are required to submit the following drawings of your final design together with the

design documentation and the business plan.

1. A pictorial drawing of the assembled design.

3. Working drawings in orthographic projection of each part of the design (either two or

three views per part).

4. At least three orthographic views of the assembled device with a parts list on the

drawing sheet to include;

(i) A SECTIONAL FRONT ELEVATION or SECTIONAL END ELEVATION

(ii) A PLAN

(iii) A FRONT ELEVATION or END ELEVATION

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5 APPENDICES

5.1.1 Appendix 1 - INCIDENT/ACCIDENT REPORT FORM

Incident/Accident Report Form_

PARTICULARS OF INCIDENT/ACCIDENT

Date of incident/accident: __________Time: _____Location: ________________ The Injured Person Name: _________________________Class: _______________Age: ________ Witness to incident/accident Name: _________________________Class: _________________Age: ______

Nature and extent of injury Part of body injured

□

Head

□

Hands

□

Fingers

□

Eyes

□

Arm

□

Multiple

□

Neck

□

Leg

□

Unspecified

Nature of injury

□

Sprain

□

Laceration

□

Burn

□

Fracture

□

Concussion

□

Superficial

□

Multiple

□

Dislocation

□

Amputation

□

Contusion

□

Other

Type of incident

□

Flying object

□

Manual handling

□

Electricity

□

Struck by

□

Poisons

□

Fall

□

Caught in

□

Temperature

□

Other

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Describe the events leading up to the injury and how the injury occurred (witness or injured person’s statement).

What caused

the accidents

□

Ineffective

guarding

□

Lack of protective

equipment

□

Lack of

training

□

Lack of

maintenance

□

Safety rules not

followed

□

Inexperience

□

Unsafe work

methods

□

Misconduct

□

Workshop

design

(equipment,

design, layout)

How can a recurrence be prevented?

Reporting Person Name: ________________________Class:_____________ Signature: __________________________ Date: ____________________

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5.1.2 Appendix 2 - TECHNICAL DRAWING SBA WORKSHOP VISIT

Names of Persons in Group Date: ___________________________

Workshop Name

Workshop Location Person\s Interviewed

ELEMENT Y/N/NA

COMMENTS / HAZARDS

Y = Up to standard (adequate), N = Below standard (deficiencies), NA = Not Applicable

1 LAYOUT

1.1 The general area is tidy and free of obstruction and mess

1.2 Adequate storage area provided

1.3 Floor is free of obstructions and not-slippery

1.4 Floor coverings in good condition

1.5 Aisles are sufficiently wide for traffic

1.7 Walkways clearly marked and guarded if necessary

Deficiencies Observed Noted:

2 ENVIRONMENT

2.1 Lighting is adequate

2.2 Area is free from odours

2.3 Ventilation is adequate

Deficiencies Observed and Noted:

3 EMERGENCY PROCEDURES

3.1 Written procedures posted

3.2 Extinguisher of appropriate type easily accessible

3.3 Tag on extinguisher has been checked in the last 6 months

3.4 Alarm can be heard in the area (if applicable)

3.5 Exit routes are clear

3.6 Emergency and hazard signage is clearly visible

3.7 Evacuation drills carried out


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ELEMENT Y/N/NA

COMMENTS / HAZARDS

Y = Up to standard (adequate), N = Below standard (deficiencies), NA = Not Applicable

4 MACHINE AND EQUIPMENT

4.1 Area around machine clean

4.2 Access to machine is clear

4.3 Safe working instructions displayed close to machine

4.4 Machine locked or cannot be accessed when left unattended

4.5 Machine and equipment maintained and in good condition

4.6 Emergency stops are working

4.7 Machine guarding in place

4.8 No sharp edges protruding into aisles or walkways

4.9 Seating appropriate and in good condition

4.10 Warning and safety signage in good condition


5 PPE (personal prospective equipment)

5.1 Correctly stored

5.2 Well maintained and in good condition

5.3 Signage of PPE requirements displayed

5.4 Required PPE available


Deficiencies Recommendations of Improvement: 1) 2)

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5.1.3 Appendix 3 - TECHNICAL DRAWING ABBREVIATIONS, CONVENTIONS AND

SYMBOLS

COMMON ABBREVIATIONS, CONVENTIONS AND SYMBOLS

USED IN TECHNICAL DRAWING

TERM ABBREVIATIONS SYMBOLS

A/F

A/C

CRS

CL or

CSK

C”BORE

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DIA

DRG

ISO

MM

NO.

R

SQ

PCD

FIG

SPEC

STD

1st<

3rd <

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5.1.4 Appendix 4 – CADASTRAL SHEET

CADASTRAL SHEET

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5.1.5 Appendix 5 – PORTFOLIO COVER

Arima North Secondary School

Caribbean Examination Council

Caribbean Secondary School Education Certificate - CSEC

Technical Drawing

Teacher: __________________________

Candidate Name: __________________________

Candidate Number: __________________________

Date: June _____________________

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TABLE OF CONTENTS

Section I – Fundamentals of Technical Drawing

1A: OCCUPATIONAL HEALTH, SAFETY AND THE ENVIRONMENT 1B: EQUIPMENT, TOOLS, MATERIALS, LETTERING, LINE WORK, DIMENSIONS AND SCALES

Section 2 – Geometrical Construction

3 PLANE GEOMETRY FIGURES 3 SOLID GEOMETRY FIGURES

Section 3 – Building Drawing – Project

OR

Section 4 – Mechanical Drawing - Project

School Based Assessment SBA

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5.1.6 Appendix 6 - COVER SHEET AND SECTION SHEETS FOR SBA

Arima North Secondary School

Caribbean Examination Council

Caribbean Secondary School Education Certificate - CSEC

Technical Drawing

Teacher: ______________________________________________________

Student Name: _________________________________________________

Student Number: _______________________________________________

Centre Number: _______________________________________________

Date: _________________________________________________________

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TABLE OF CONTENTS

Section I – Fundamentals of Technical Drawing

1A: OCCUPATIONAL HEALTH, SAFETY AND THE ENVIRONMENT

Section 2 – Geometrical Construction

1 PLANE GEOMETRY SOLUTION 1 SOLID GEOMETRY SOLUTION

Section 3 – Building Drawing – Project

Simple Business Plan

OR

Section 4 – Mechanical Drawing – Project

Simple Business Plan

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Section 1: Fundamentals of Technical

Drawing 1A: OCCUPATIONAL HEALTH, SAFETY AND THE ENVIRONMENT

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Section 2: Geometrical Construction 1 PLANE GEOMETRY FIGURE

1 SOLID GEOMETRY FIGURE

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Section 3: Building Drawing – Project

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Section 4: Mechanical Drawing – Project

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5.1.7 Appendix 7 – BUSINESS PLAN

COVER PAGE

BUSINESS PLAN

SUBJECT: TECHNICAL DRAWING

TEACHER: ___________________________________

STUDENT NAME: ___________________________________

STUDENT NO. : ___________________________________

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Company Name

Company Name

Address

Contact Numbers

Email

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Table of Contents

Executive Summary 4

Introduction 5

Business Environment 5

Marketing Plan 6

Operations Plan 6

Financial 7

Appendices 8

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A. Executive Summary

1. Brief description of product:

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

___________________.

2. Identify Target Market:

______________________________________________________________________

______________________________________________________________________

__________

3. Identify key personnel and responsibilities in the business

4. First year projections (taken from financial plan)

Projected worth of business:_____________________________

Anticipated expenses: __________________________________

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Expected Profit per year:________________________________

B. Introduction

1. Name of Business: _____________________________ Contact Number:

______________

Name of Applicant: _______________________________________________

2. Type of Operation:

Manufacturing Service

Construction Other (Specify)

3. Mailing Address:

______________________________________________________________________

______________________________________________________________________

__________

E-mail: __________________________________________________

4. Proposed location of business:

______________________________________________________________________

______________________________________________________________________

__________

5. Legal Form of Business:

Sole Proprietorship

Partnership

C. Business Environment

1. Mission:

______________________________________________________________________

______________________________________________________________________

______________________________________________________________________

_______________

2. Vision:

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______________________________________________________________________

______________________________________________________________________

__________

3. Goals and Objectives:

- ___________________________________________________________________

___________________________________________________________________

___________________________________________________________________

_______________

D. Marketing Plan

1. Target customers:

_________________________________________________________________________

_________________________________________________________________________

__________

2. Promotions strategy:

_________________________________________________________________________

_____

E. Operations Plan

1. Organizational chart (insert a chart dependent on your form of business)

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2. Hours/days of operation:

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

3. Major processes involved (list 3):

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

4. Quality control (list 2):

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

_________________________________________________________________________

F. Financial

1. Required for a loan: Name: Phone Number:

(a) Banker:

Loan

_________________________

__________________ _________________

3. Projected worth of business:(Profit – Expenses)

____________________________________

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Appendix I (business card)

Image of Business Card

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5.1.8 Appendix 8 – SECTION SEPARATORS FOR PORTFOLIO

Section 1

Fundamentals of Technical Drawing

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Section 2-A

Plane Geometry

3 Plane Geometry Drawings

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Section 2-B

Solid Geometry

3 Solid Geometry Drawings

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Section 3

Building Drawing

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Section 4

Mechanical Engineering Drawing

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5.1.9 Appendix 9 - TECHNICAL DRAWING DIGITAL SBA PORTFOLIO

INSTRUCTIONS

Create a folder called:

“LastName FirstName TD Portfolio of Evidence Year-ANSS”

Place six (6) folders inside this portfolio as follows:

“1-Fundamentals of Technical Drawing” (this folder must contain two folders)

o 1.1-Occupational Health, Safety and the Environment

Solution 1

Solution 2

Solution 3

o 1.2-Equipment, Tools, Materials, Lettering, Line Work, Dimensions and

Scales

Solution 4

Solution 5

“2-Plane Geometry”

o Solution 6

o Solution 7

o Solution 8

“3-Solid Geometry”

o Solution 9

o Solution 10

o Solution 11

“4-Building Drawing”

o Solution 12

o A Business Plan

“5-Mechanical Engineering Drawing”

o Solution 13

o A Business Plan

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“6-Selected Pieces for the Final SBA Mark”

o The highest marked solution from Section 1-Fundamental of Technical

Drawing

o The highest marked solution from Section 2A-Plane Geometry

o The highest marked solution from Section 2B-Solid Geometry

o The marked solution from 3-Building Drawing/4-Mechanical Engineering

Drawing together with the Business Plan

5.1.10 Appendix 11 – MARK SCHEMES

Technical DRAWING SCHOOL-based assessment booklet-guide

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