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MECH3029 – Engineering Calculations and Drawings

Module code
Module title
Engineering Calculations and Drawings
The aim of this course is to develop basic trade related numeracy, literacy and graphic visualisation skills to produce engineering tasks.
  • NZ2715
NZQA Level
Level 3
NZQA Credits
Delivery method
  • Web-Enhanced
Learning hours
Total learning hours
Resources required
Learning Outcomes
LO1: Identify and apply basic engineering trade calculations.

LO2: Produce and interpret engineering component drawings and sketches using visualisation skills.
Trade Calculations
- Basic arithmetic
- Use of fractions
- Area and volume calculations
- Perimeter calculations
- Basic metric and Imperial units including base and derived quantities
- Conversion of units
- Pythagoras’ Theorem
- Basic trigonometry to solve lengths and angles of right angle triangles
- Use tables and charts
- Simple machines
- SI prefixes and SI derived quantities

Component Drawings and Sketches:
- Trade-related terminology
- Drawing production and interpretation
- Visualisation
- First and third angle orthographic projection
- Pictorial drawing - isometric, oblique
- Dimensions, symbols, line weights, scale, labelling
- Orientation, proportion, dimensions, related notes
- Sketching techniques
- Basic geometric construction methods
- Basic CAD - Basic sketches, simple models
Assessment Criteria
This course is assessed using competency assessment. Aakonga must complete and submit all summative assessments in order to pass and receive credit for this course. The listed unit standards are optional and are not required to pass this course.
Learning and Teaching Resource
- AS 1100.101:1992, Technical drawing – General principles;
- AS 1100.201:1992, Technical drawing – Mechanical engineering drawing.
- An abridgement of these standards, suitable for the purposes of this course, is SAA/SNZ HB1: 1994, Technical Drawing for students. Available from Standards New Zealand.
- The International System of Units (SI), 8th edition, 2006, updated in 2014 (France: Bureau International des Poids et Mesures, 2006). Available at
- Drawing instruments (compass, rules, set squares, and templates
- Health and Safety at Work Act 2015, Injury Prevention, Rehabilitation, and Compensation Act 2001, Resource Management Act 1991, Smoke-free Environments Act 1990;
Hazardous Substances and New Organisms Act 1996; Building Act 2004; Electricity (Safety) Regulations 2010 and other associated Acts and regulations
- Work Safe website:
- Online videos and you tube clips about worksite communication, safety and risk management (for example Hazardous areas, Confined spaces)
- Accident Compensation Corporation and Department of Labour. Metal Industry Guidelines for Safe Work. (Wellington: ACC, 2007). Available from DocName=PRD.
- Material Safety Data Sheets (MSDs)
- New Zealand Resuscitation Council Guidelines for Resuscitation
Teaching and Learning Strategy
Examples may include maintaining a record of:
- Learning Reflection and process
- Notes
- Drawings
- Sketches
- Technical terminology / jargon with meanings
- Tasks books
- Quizzes
- Practical Tasks

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