City and Guilds Diploma in Engineering Fabrication and Welding
Level 3 (Technical Certificate)


This course is the progression from the City & Guilds Level 2 Diploma, it is usually a two-year course however self-sponsoring students who can attend two days per week can complete the course in one year.

The course consists of six units & is part of the modern apprenticeship framework.


Unit 301 Engineering health & safety

Unit aim

This unit is concerned with the requirements that are essential to enable engineering activities to be carried out safely and effectively. It includes dealing with statutory and organisational requirements in accordance with approved regulations, codes of practice and procedures. It covers responsibilities relating to accident reporting and the identification of hazards and risks.


Unit 302 Engineering principles

Unit aim

This unit is concerned with those engineering principles that enhance the performance of engineering operations. This includes the extraction, interpretation and use of a range of technical information sources. It includes the use of basic calculations and engineering science that enables the leaner to better understand the behaviour and properties of engineering materials in order that appropriate materials may be selected to satisfy specifications. The identification and application of quality control measures that are relevant to engineering activities are also covered.

These are the two mandatory units & are assessed online by multi-choice exams generated by City & Guilds.


Unit 305 Principles of Fabrication & welding

Unit aim

This unit enables the leaner to understand the underlying principles of fabrication and welding, without focusing on specific fabrication disciplines or welding processes. Fabrication materials, joining using non-thermal methods, weld symbols, joint design, distortion, weld defects and testing: non-destructive (NDT) and destructive (mechanical) are included.


Unit 311 MIG Welding of materials

Unit aim

This unit sets out the requirements for metal inert gas (MIG) welding in a modern engineering environment, in terms of what needs to be achieved by the leaner, i.e. welding a series of challenging joint configurations across in a wide range of positions that are compliant to welding procedure specifications. The unit is concerned with the technology and practices involved in the application of MIG welding. The unit is demanding in terms of technological content and the complexity of the welding that leaners are expected to achieve. The unit is broadly divided into health and safety, welding equipment, welding consumables (i.e. electrodes) and the practicalities of producing a welded joint in relation to a welding procedure specification (WPS) and a quality specification


Unit 316 Pattern Development for Fabrication

Unit aim

This unit enables the leaner to develop the skills and the underlying process technology required for obtaining flat layouts of 3D forms that can be used for producing templates. Students will learn the three main techniques used in pattern development. Parallel line, radial line & triangulation. Student will complete a practical exam producing a layout & developments on template paper these will go towards the student final grade along with a short theory test.


Unit 329 Produce drawings using CAD

Unit aim

This unit enables the leaner to develop the skills and knowledge in computer aided design (CAD), in terms of producing 2D and 3D drawings, including the use of 3D modelling methods. Students will work through a series of drawings, each one becoming more detailed & involving the use of different applications on the system. These drawings will make up a portfolio going to the final grade along with a short theory test.


We know that having good qualifications alone doesn’t always make you stand out.

That’s why we’re all about going the extra mile with you.

Studying with us means practical, hands-on workshops, group sessions, expert guest speakers, visits to local employers, wellbeing drop-ins, chill out time … the list goes on. 

As part of the course, you will also take part in an external work placement to help you develop your confidence and skills to stand out from the crowd. 

Entry to this course will require the completion of the level 2 diploma.

Unit 305 is purely theory apart from demonstrations & is assessed by a written exam. Units 311, 316, & 329 are a mix of practical & theory.

Progression from this course would be a BTEC level 3 diploma or the 1 year bridging course to gain access to the HNC in mechanical Engineering.

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