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"Okay," Thabo said, sitting up straighter. "Let’s deconstruct this. What does the memo say about the frame structure?"
Did the structure hold the 500-gram load without failing? (1 mark) Is the mechanism functional and efficient? (1 mark)
Creating a Design Brief, listing specifications/constraints, and drawing 2D/3D sketches (orthographic projections).
The brief was simple: "Design and build a model of a ." technology grade 9 mini pat term 1 memorandum
Understanding materials (cardboard, wood, string) and structural components (triangles, joints).
At least two or three freehand sketches showing different concepts with brief annotations.
It should be designed to last for 20-30 years with regular maintenance.
Restrictions such as time, tools, budget, and material limits. To help me tailor this layout to your
Forces pushing structural members together. ( 1 Mark )
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Students present their project, which can be evaluated through a written portfolio, an oral presentation, or a poster display. 3. Standard Mark Allocation Breakdown
Accuracy of assembly, neatness, and structural integrity of the joints. Phase 4: Evaluate (Testing and Quality Control) (1 mark) Is the mechanism functional and efficient
Identify two areas where the model could be improved. (2 marks) 4.2 Presentation and Portfolio Communication
Clear understanding of triangulation and forces; neat documentation; model meets basic specifications.
Learner followed all classroom safety protocols during construction. 10 Marks Part 4: Evaluation & Communication Phase [10 Marks] 4.1 Evaluation Sheet (Self-Assessment)
The bridge must have a high weight capacity, secure railings, and a non-slip surface. Materials must be durable and weather-resistant, and the bridge should be easy to evacuate in an emergency.
Foster budget management, material optimization, and safety awareness. 2. The Design Process Framework (IDMEC)