Access Lagos State Free Fabrication and Welding Scheme of work for SSS3. SS3 Fabrication Curriculum for Senior Secondary School –Schemeofwork
SSS3 Fabrication and Welding Scheme of Work First Term
| WKS | TOPICS | LEARNING OBJECTIVES | LEARNING ACTIVITIES | EMBEDDED CORE SKILLS | LEARNING RESOURCES |
| 1 | Welcome test/ Environmental Health | By the end of the lesson, students should be able to: – Define structural steel sectors – identify steel sections – State types of steel sections – Sketch various types of structural steel sections | The teacher shows some samples of steel sections. Students in small groups examine the structural steel section | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Charts Real objects Typical samples of structural steel Sections |
| 2 | Principles of selection of materials | – Identify various material for a specific job – determine the cost of materials – select appropriate material for a given job | Students in a whole class brainstorm as the factors to be considered when selecting metals for a given job Shows metal of different sizes and dimensions to the students | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Samples of a finished work Charts -Samples of metals of different types and sizes |
| 3 | Welding of dissimilar metals | – identify dissimilar metals – weld dissimilar metals explain how to weld two components of dissimilar metals | students in small groups writes down steps of- welding dissimilar metals | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Various metals such as: stainless steel, aluminum, copper mild steel, charts |
| 4 | Pipe Fittings and Pipe Welding | – identify types of pipe used in fabrication and welding – measure steel pipe correctly – prepare pipe edges for welding – set and tag pipes correctly – bend pipes correct angles – weld pipes together | The teachers shows the students different types of pipes. Student in pairs demonstrates the preparation of pipes to the students | Communication and Collaboration Leadership and Personal DevelopmentCritical thinking and Problem solvingCreativity and Imagination | Vernier caliper, slide rule, Angle grinder, Welding set, hand magnifying glass, Samples of pipes of different types dimensions Pipe bending machine |
| 5 | Forging Processes | – Identify processes of forging – explain the processes of forging – differentiate between upsetting aid drawing down – carry out forging operation | Guides the students Explains the forging presses students in small group demonstrates forging processes | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Furnace, Bellows, Fullers Surges, Flatters, Tongs Anvil etc |
| 6 | Edge Preparation | – state the purpose of edge preparation | Shows students samples of work piece edges preparation for welding | Communication and Collaboration | Charts showing edge preparation, files, angle grinder |
FABRICATION AND WELDING
| WKS | TOPICS | LEARNING OBJECTIVES | LEARNING ACTIVITIES | EMBEDDED CORE SKILLS | LEARNING RESOURCES |
| describe the edge preparation procedure prepare edges prior to welding | students as a class Explain the procedures for edges preparation and also Demonstrates the preparation of edges prior to welding | Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Film show |
| 7 | Mid-term break | ||||
| 8 | Surface finishing | – identify surface finishing – carry out the surface finishing processes – describe sheradizing cladding – explain surface finishing processes • differentiate between painting and galvanizing | students n a whole class discussion explains surface finishing processes Shows some samples of finely finished articled students in pairs demonstrates the surface finishing processes to the students | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Charts Pictures showing the surface finishing process Tools and equipment such as spraying machine, brushes, emery cloth, angle grinder, etc. |
| 9 | Equipment faults and trouble shooting | – detect fault on welding equipment on fabrication equipment remove and replace faulty components troubleshoot faults on welding and fabrication equipment | Students in a whole class discussion. explains how to detect faults on welding and fabrication equipment Students in small groups explains how to trouble shoot faults on welding and fabrication equipment students in pairs. Demonstrate the removal and replacement of faulty components | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Charts Video clips Welding and fabrication equipment Fault detection equipment |
| 10 | Entrepreneurship | – define entrepreneurship – explain who is an employer – explain an employee – explain the concept of small, medium and-large scale enterprises | Students as a class brainstorm as the meaning of entrepreneurship. employer and employee students in pairs explain the small, medium and large scale enterprises. | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Charts showing and entrepreneur, charts at small, medium and. large scale industries |
| 11 | Excursion/Field Trip | – observe the operation of machines and equipments in industries | Visitation to welding and fabrication industries | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Real objects Video clips. |
| 12 | Revision and projects | – recall all topics taught during the term write report on hold trip carry out practical project | Teacher revises all the topic treated and explain the key points/ terms Guides the students on project | Typical objects and materials | |
| 13 | Examination | ||||
| 14 | Examination |
Access Lagos State Free Fabrication and Welding Scheme of work for SSS3. SS3 Fabrication Curriculum for Senior Secondary School –Schemeofwork
Fabrication and Welding Scheme of Work SSS3 Second Term
| WKS | TOPICS | LEARNING OBJECTIVES | LEARNING ACTIVITIES | EMBEDDED CORE SKILLS | LEARNING RESOURCES |
| 1 | Welcome test/ Revision | ||||
| 2 | Defects in Welding | By the end of the lesson, students should be able to: – Identify and mention various defects common in welding surfaces – mention possible causes of defects – states precautions | Students as a class discuss and explain poor appearance of welded surface, incomplete penetration, undercut arc blow, pin holes, porous weld, crack weld, distortion and warping | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Charts Defective welded components |
| 3 | Defects in Welding | – mention possible causes of defects – weld without any defects – discuss the remedies that will be use to correct such defects | Students in small groups expantiates on spatter in weld, brittle weld, slag in weld, distortion and stressed in welding | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Charts Welded components Audio visuals |
| 4 | Welding Test | – define welding test – state various welding text available types of welding | Students in small groups examining weld because of defects not indicated by a visual inspection x-ray or ultra sound inspection | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Posters Audio visuals |
| 5 | Welding Test | – detect a defective weld – discuss all the non destructive test with samples | Student in small groups Explain Non destructive testing are ultra sound inspection, television cameras used to inspect penetration of weld in small diameter pipes. Dye penetrant test, magnetic particle inspection Destructive testing macro-etch examination nick break fracture test, bend test | Communication and Collaboration Leadership and Personal Development Critical thinking and Problem solving Creativity and Imagination | Posters Audio visuals File Hardness Test Kits |
