Lesson Notes By Weeks and Term v4 - SHS 3

Lesson Video

This page supports the lesson note with a companion video and a short classroom-ready summary.

For class groups and homework, share this lesson page so learners also get the summary, objectives, and full lesson context.

Performance objectives

• Define substructure and superstructure.
• Identify the main components of each.
• Describe the schedule of works for installing a cold water supply.
• Recognize the materials and fittings used.

Lesson summary

Good morning, class. In our previous lessons, we've discussed the construction of the main parts of a building—the substructure (foundation) and the superstructure (walls, floors, roof). Today, we are going to look at one of the most important services that makes a house a home: water supply. Imagine a beautiful new house in Accra or Kumasi with no running water; it would be very difficult to live in! The installation of plumbing for cold water is a critical process that must be planned carefully. This plan is called a Schedule of Works. It is a detailed list of all the tasks that a plumber must do, in the correct order, to ensure the system works perfectly without leaks or problems.

Lesson notes

A. What is a Schedule of Works?

A Schedule of Works is a detailed, itemised list of all the tasks that must be completed for a project, arranged in a logical, step-by-step order. Think of it like a recipe for cooking banku. You must mix the corn dough and cassava dough before you put it on the fire, and you must stir it continuously. If you miss a step or do it in the wrong order, you will not get good banku.

Similarly, in plumbing, the schedule of works ensures that: No step is forgotten. Tasks are done in an efficient order (e.g., pipes are installed in the wall *before* plastering). Materials can be ordered and delivered to the site at the right time. It provides a clear plan for the plumber and the building owner. B. Key Components and Materials for Cold Water Supply in Ghana

Before we discuss the schedule, let's identify the parts we will be working with.

Evaluation guide

• Explain the schedule of works involved in installing Cold Water.
• Communication: Organize a whole class and let learners outline the schedule of tasks
• involved in Cold -water Supply
• Collaboration: Identification of ability and positioning to ensure mixed ability. Through